- Must visit
Smithsonian National Museum of Natural History
One of the world’s most visited natural history museums, famous for dinosaur fossils, gemstones, and major family-friendly exhibits on Earth and life sciences.
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Journey information
Overview: St. Louis, MO to Washington, DC flight
USAUSA
Flights from St. Louis, MO to Washington, DC depart on average 44 times per day, taking around 2h 16m. Cheap flight tickets for this journey start at $95 (€77) but you can travel from only $83 (€67) by bus.
There are 4 flights per day. The earliest flight runs at 05:00, the last at 22:45. The fastest flight covers the 708 miles (1141 km) distance in 2h 1m. April is the cheapest month to fly.
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Cheapest alternative travel mode
Bus from $83 (€67)
Distance 708 miles (1141 km) |
Average flight duration 2h 16m |
Cheapest ticket price $95 (€77) |
Flights per day 44 |
Direct flights 4 |
Fastest flight 2h 1m |
First flight 5:00 AM |
Last flight 10:45 PM |
Cheapest Month Apr |
Cheapest Day Thu |
High Season Oct - Dec |
Low Season Apr - Jun |
Best time to book 5 days |
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Cheapest alternative travel mode
Bus from $83 (€67)
The cheapest and fastest flights from St. Louis, MO to Washington, DC
Showing times and prices for May 20
Cheapest price
$95
Average price
$161
Fastest journey
2 h 12 m
Average duration
4 h 1 m
Flights per day
5
Distance
1141 km
Cheap tickets
The best way to find a cheap flight ticket from St. Louis, MO to Washington, DC is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from St. Louis, MO to Washington, DC will cost around $161 if you buy it on the day, but the cheapest tickets can be found for only $95.
Fast flights
Of the 5 flights that leave St. Louis, MO for Washington, DC onWed, May 20, 5 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Wed, May 20 the direct flights cover the 1141 km distance in an average of 4 h 1 m but if you time it right, some flights will get you there in just 2 h 12 m .
On Wed, May 20 the longest flights will take 7 h 16 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.
11:00 AM2h12St. Louis, MO1:12 PMWashington, DC$951One-way0 transfers- 12:04 PM2h16St. Louis, MO2:20 PMWashington, DC$1291One-way0 transfers
- 12:00 PM4h18St. Louis, MO4:18 PMWashington, DC$1851One-way0 transfers
- 11:57 PM4h01St. Louis, MO3:58 AMWashington, DC$1871One-way0 transfers
- 1:05 PM7h16St. Louis, MO8:21 PMWashington, DC$2111One-way0 transfers
- 11:00 AM2h12St. Louis, MO1:12 PMWashington, DC$951One-way0 transfers
- 12:04 PM2h16St. Louis, MO2:20 PMWashington, DC$1291One-way0 transfers
- 11:57 PM4h01St. Louis, MO3:58 AMWashington, DC$1871One-way0 transfers
- 12:00 PM4h18St. Louis, MO4:18 PMWashington, DC$1851One-way0 transfers
- 1:05 PM7h16St. Louis, MO8:21 PMWashington, DC$2111One-way0 transfers
Travel Information
Compare train, bus, and flight for St. Louis, MO to Washington, DC
Omio recommends booking the flight as it is the most popular option from St. Louis, MO to Washington, DC among Omio's users. If you are prioritising price take the bus with prices starting from $83. For those with little time consider booking a flight which can get you there in 2h 16m. The ticket price range depends on the travel mode: a bus costs an average of $83, and a train costs an average of $115.
Distance: 708 miles (1141 km)
Compare flight with
Most popular Flight | Bus | Train | Driving |
|---|---|---|---|
$198 Average price | $143 Average price Cheapest | $335 Average price | $177 Average price (fuel + tolls) |
5h 16m Average total duration Fastest 2h 16m Onboard + 3h 0m Additional time* | 21h 25m Average total duration 20h 55m Onboard + 30m Additional time* | 28h 41m Average total duration 28h 11m Onboard + 30m Additional time* | 12h 38m Average total duration (door-to-door) |
Direct Options | Direct Options | Direct Options | Direct Options |
The cheapest way to travel from St. Louis, MO to Washington, DC is a bus with an average price of $143 (€115).
This is compared to other travel options from St. Louis, MO to Washington, DC:
A bus is $55 (€45) less than a flight for this route with tickets for a flight from St. Louis, MO to Washington, DC costing on average $198 (€160).
A bus is $193 (€156) less than a train for this route with tickets for a train from St. Louis, MO to Washington, DC costing on average $335 (€271).
The fastest way to travel from St. Louis, MO to Washington, DC is by flight with an average journey time of 2h 16m.
Other travel options to Washington, DC take longer:
Bus takes on average 20h 55m.
Train takes on average 28h 11m.
It's helpful to compare your options as there are 3 ways to travel between St. Louis, MO and Washington, DC including taking a train, bus, and flight.
We recommend using the flight as it is the most popular way to get from St. Louis, MO to Washington, DC among Omio's users.
Live departures
St. Louis, MO to Washington, DC flight times
The table below shows live departures for St. Louis, MO to Washington, DC flights for today, Tuesday, May 19. You can also manually refresh the results below to see updated flight journeys.
Last updated at
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
| 8:43 PM St. Louis, MO | 2h15 | 10:58 PM Washington, DC | 0 transfersDirect | |
| 10:51 PM St. Louis, MO | 4h04 | 2:55 AM Washington, DC | 0 transfersDirect | |
| Wednesday, May 20 | |||||
| 11:00 AM St. Louis, MO | 2h12 | 1:12 PM Washington, DC | 0 transfersDirect | |
| 12:00 PM St. Louis, MO | 4h18 | 4:18 PM Washington, DC | 0 transfersDirect | |
| 12:04 PM St. Louis, MO | 2h16 | 2:20 PM Washington, DC | 0 transfersDirect | |
| 1:05 PM St. Louis, MO | 7h16 | 8:21 PM Washington, DC | 0 transfersDirect | |
This is the last flight of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets St. Louis, MO to Washington, DC by train, bus, or flight
Compare train, bus, and flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
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Why should you book St. Louis, MO to Washington, DC flights with Omio?
American Airlines operates all flights services from St. Louis, MO to Washington, DC.
Omio is an official ticket reseller for all your travel options from St. Louis, MO to Washington, DC.
Why book with Omio vs American Airlines?
- Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
- Compare all your options: Omio allows you to compare American Airlines with all available travel options, which are train, bus and flight to ensure you get the best deal for traveling from St. Louis, MO to Washington, DC.
Why book with Omio over Trip, Edreams or Skyscanner?
- Multiple modes of transport: Omio allows you to compare travel options including train, bus and flight to find the ideal travel option from St. Louis, MO to Washington, DC.
Airlines: American Airlines from St. Louis, MO to Washington, DCFind the best flights between St. Louis, MO to Washington, DC with Omio's travel partners American Airlines from $83 (€67). We can find you the best deals, schedules and tickets when comparing and booking the best trip.
American Airlines
About
American Airlines is one of the largest airlines in the world, connecting travelers to hundreds of destinations across the United States, Latin America, Europe, Asia, and beyond. Operating from major hubs such as Dallas/Fort Worth, Miami, and Charlotte, American offers a wide range of travel options. Passengers can choose from Economy with affordable fares, Premium Economy with extra space, or Business and First Class featuring flat-bed seats, premium dining, and lounge access. With a modern fleet and membership in the oneworld alliance, American Airlines combines global reach with comfort and reliability.
Luggage & cancellation policy
Average Duration
2h 1m
Cheapest Price
$95 (€77)
Luggage included
1 carry-on bag (22 x 14 x 9 inches) and 1 personal item (18 x 14 x 8 inches) included in most fares
Additional luggage
Checked bags fees vary by route. First checked bag typically $30, second $40 on domestic flights
Cancellation Policy
Basic Economy tickets cannot be changed or refunded. Other fares allow changes with fee, refunds subject to fare rules.
Pregnant on board
Passengers can fly up to 36 weeks for single pregnancies, 32 weeks for multiple pregnancies. Medical certificate required within 7 days of departure if within 4 weeks of due date.
Unaccompagned minor
Children ages 5-14 can travel alone using American Airlines Unaccompanied Minor Service. Service fee is $150 each way.
Amenities on board the airplane
Wifi
Food sold onboard
USB plugs
Accessibility
American Airlines provides wheelchair assistance and special services for passengers with disabilities. Assistance must be requested at least 48 hours before departure.
Pets
Small dogs and cats allowed in cabin for $125 fee. Must be in approved carrier under seat. Service animals allowed.
Entertaiment on board
Complete guide to Washington
Things to do in Washington
Discover the best of Washington — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Washington trip today.
- Must visit
National Gallery of Art
Premier art museum with masterworks from the Middle Ages to modern times, plus a celebrated sculpture garden and strong temporary exhibitions.
- Must visit
National Air and Space Museum
Iconic Smithsonian museum covering aviation and space exploration, with historic aircraft and spacecraft that make it a top draw in the city.
- Must visit
National Mall
Washington’s signature civic landscape lined with museums and monuments, ideal for walking and the city’s top first-time visitor area.
- Must visit
Georgetown
Historic waterfront neighborhood known for cobblestone streets, rowhouses, shopping, and scenic walks along the canal and river.
- Must visit
Tidal Basin
Scenic walking area around the water framed by major memorials, especially famous during cherry blossom season.
Half-Smoke
Washington’s signature sausage, usually a coarse smoked pork-and-beef link served on a bun with chili, mustard, and onions. It is one of the city’s most iconic street foods.
- Vegetarian
- Vegan
Mumbo Sauce
A sweet, tangy, slightly spicy sauce closely associated with Washington carryout culture, commonly served with fried chicken and fries. It is a distinctive local condiment.
- Vegetarian
Jumbo Slice Pizza
An oversized late-night pizza slice popular in nightlife areas of Washington, especially Adams Morgan. It is a recognizable local fast-food tradition.
Old Ebbitt Grill
An established, upscale-casual saloon near the White House known for oysters, crab cakes, and other classic Washington and Mid-Atlantic dishes.
Rasika
Acclaimed Indian restaurant known for refined cooking and a polished dining room. A standout for one of Washington’s most celebrated restaurant experiences.
Le Diplomate
One of Washington’s best-known restaurants, offering classic French bistro fare in an elegant, energetic space that is popular with locals and visitors.
United States Dollar
Prices are high by U.S. standards, especially for hotels and dining in central areas, though casual food is still manageable.
Average meal costs
- Budget
- USD 10-18 for fast food or casual takeout.
- Mid-range
- USD 25-45 per person at a mid-range restaurant.
- Fine dining
- USD 80+ per person at upscale restaurants.
- Coffee
- USD 4-7 for a coffee drink.
Tipping culture
Tip 18-20% at restaurants; 20%+ for great service. Tip bartenders USD 1-2 per drink, taxis about 10-15%, and hotel staff a few dollars.
DC Metro and Bus
Get the appOfficial public transport app
Prices
- Single ticket
- USD 2.25-6.75
- Day pass
- USD 13.00
To the city center
Washington Dulles International Airport, Washington -> Metro Center, Washington
- Distance
- 42 km
- Travel time
- 50 min
- Tap to pay with SmarTrip on iPhone, Apple Watch, Android, or a physical card on Metrorail and Metrobus.
- Metrobus accepts contactless bank cards at fareboxes, but using SmarTrip is best for transfers and fare capping.
FAQs: St. Louis, MO to Washington, DC Flight
Find answers to the most common questions about traveling from St. Louis, MO to Washington, DC by flight. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest flight, the cheapest option, or tips for making the most of your visit at Washington, DC, this guide helps you travel smarter and with confidence.
Cheap plane tickets from St. Louis, MO to Washington, DC can start from as little as $95 (€77) when you book in advance. The average flight ticket price for St. Louis, MO to Washington, DC is $198 (€160) ; however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
The average journey time by plane from St. Louis, MO to Washington, DC is 2h 1m to travel the 708 miles (1141 km) long route. Journey times can vary on weekends and holidays, so use our Journey Planner to search for a specific date.
The earliest flight from St. Louis, MO to Washington, DC leaves at 5:00 AM. Plan your trip with the Journey Planner from Omio.
The latest flight from St. Louis, MO to Washington, DC leaves at 10:45 PM.
Yes, there are 4 direct flights a day from St. Louis, MO to Washington, DC with . Schedules can vary on holidays or weekends with fewer direct flights.
When taking a flight from St. Louis, MO to Washington, DC, you can count on American Airlines for the best way to get you to Washington, DC. You can also check all possible airlines who offer a service between St. Louis, MO and Washington, DC and compare the amenities they offer before buying a plane ticket.
Flights from St. Louis, MO to Washington, DC generally leave from St. Louis Lambert International Airport and arrive in Ronald Reagan National Airport.St. Louis Lambert International Airport is 1 miles (2 km) away from St. Louis, MO city centre and Ronald Reagan National Airport is 2 miles (4 km) from Washington, DC city centre.
The cheapest month for a flight from St. Louis, MO to Washington, DC is April.
It's helpful to compare your options as there are 3 ways to travel between St. Louis, MO and Washington, DC including taking a train, bus, and flight.
Since neither St. Louis, MO nor Washington, DC are in the Schengen Area, passport requirements depend on the specific immigration rules of United States and United States. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.
There is a time difference of 1 h between St. Louis, MO and Washington, DC all year round.
Some of the most interesting sights to explore in Washington, DC are:
- The National Mall, a historic and iconic open-area national park featuring monuments and museums
- The White House, the official residence and workplace of the President of the United States
- The United States Capitol, the home of the United States Congress and a symbol of the American people and government
- The Smithsonian Institution, a group of museums and research institutions offering diverse exhibits and educational programs
- The Lincoln Memorial, a monument honoring the 16th President of the United States, Abraham Lincoln, known for its impressive architecture and historical significance.
The best events to attend in Washington, DC include:
- National Cherry Blossom Festival, a celebration of the blooming cherry blossom trees with parades and cultural events
- Independence Day Celebration, fireworks and festivities at the National Mall to commemorate the nation's independence
- Smithsonian Folklife Festival, a showcase of cultural traditions from around the world held on the National Mall
- DC Jazz Festival, an annual event featuring performances by renowned jazz musicians at various venues across the city.
The best holidays to experience in Washington, DC include:
- Memorial Day, marks the unofficial start of summer with parades and remembrance ceremonies
- Labor Day, a long weekend perfect for enjoying the city's parks and outdoor activities
- Thanksgiving, a time for family gatherings and exploring seasonal markets
- Winter Holidays, festive decorations and holiday spirit throughout the city.
The best things to do in Washington, DC include:
- Discover the National Gallery of Art, featuring an extensive collection of European and American art from the Middle Ages to the present
- Stroll through Georgetown, a historic neighborhood known for its cobblestone streets, upscale shops, and vibrant dining scene
- Visit the Library of Congress, the largest library in the world, offering a vast collection of books, recordings, and exhibits
- Explore the vibrant Eastern Market, a historic public market offering fresh food, local arts, and crafts
- Enjoy a performance at the Kennedy Center, a premier venue for the performing arts, featuring theater, dance, and music.
We recommend using the flight as it is the most popular way to get from St. Louis, MO to Washington, DC among Omio's users.
The best season to visit Washington, DC is Spring or Fall. The best weather to explore Washington, DC is during April-June or September-November.
For domestic flights we recommend to arrive 1.5 to 2 hours before departure. Please check the website of your departure airport if in doubt. Some airports may offer booking time slots for security checks or offer additional information on when to get there based on time of day.
Most airlines permit carry-on bags that fit within specific dimensions (e.g., 22 x 14 x 9 inches or 56 x 36 x 23 cm), including handles and wheels. Bags must fit in the overhead bin or under the seat in front of you.
Many airlines impose weight limits, commonly ranging between 7 kg (15 lbs) and 12 kg (26 lbs). Typically, passengers are allowed one carry-on bag and one personal item (for example a purse, laptop bag, or backpack). Personal items must fit under the seat in front of you. Budget Airlines (like Ryanair or Wizz Air) have stricter size and weight limits, often requiring fees for larger carry-ons. Full-Service Airlines have more lenient policies, sometimes including more spacious dimensions or higher weight limits depending on your ticket class.
The list of items prohibited on an airplane varies by country and airline, but in general, the following items are not allowed in carry-on or checked baggage: Weapons and self-defence items, sharp objects, flammable materials, explosives, toxic substances, or liquids over 100ml (except for medications and baby essentials). In checked baggage, firearms (without authorization), explosives, large lithium batteries, and hazardous chemicals are prohibited. Electronic cigarettes must be in carry-on bags, while alcohol and dry ice have restrictions. Always check with your airline for specific regulations.
The currency used in the United States is the US Dollar (USD). For travelers, using cards is generally more convenient and widely accepted, especially credit and debit cards, while cash is useful for small purchases or places that do not accept cards.
In Washington, DC, travelers should be cautious of pickpocketing and petty theft, especially in crowded areas like the National Mall and Metro stations. Common scams include overpriced taxi rides and unofficial tour operators. It's advisable to use licensed transportation services and stay aware of surroundings, particularly at night or in less busy neighborhoods.
Pack lightweight, versatile clothing suitable for the destination's climate, and use secure, lockable luggage to protect belongings. Keep essential items like travel documents, medication, and valuables in a carry-on bag for easy access. Use packing organizers or cubes to maximize space and maintain order. Lastly, include a small first aid kit and personal hygiene items for added comfort during travel.
popular airports
Popular airports from St. Louis, MO to Washington, DC
St. Louis
Washington
The major airport for departures in St. Louis is St. Louis Lambert International Airport. Find all the information you need to know about services, amenities and connections at St. Louis Lambert International Airport for your trip from St. Louis to Washington.
Amenities at airport
Wifi
Shopping
Parking
Dining
ATM
Taxis
Accessibility
WC
Hotel
Shower
Lounge
Lost and Found Office
Car Rentalinformation
Distance to city center
2 km
Car connection
I-70, Exit 236Wifi
- Free Wi-Fi available throughout the airport.
Shopping
- Shops in both terminals, including Hudson News and Tech on the Go.
Parking
- Parking available with short-term and long-term options, approximately 1.42€ ($1.50) per hour.
Dining
- Restaurants in both terminals, including fast food and sit-down options like Starbucks and Chili's
Taxis
- Available outside the terminal.
Accessibility
- Elevators, ramps
WC
- Available throughout both terminals.
Hotel
- Hotels nearby, such as Marriott St. Louis Airport within walking distance.
Shower
- Showers available in some lounges, access may require lounge fee.
Lounge
- Lounges available, including American Airlines Admirals Club.
Lost and Found Office
- Lost and Found located in terminal 1, contact airport for details.
Car Rental
- Car rental services available, including Hertz and Enterprise in terminal 1
Public transit options for St. Louis Lambert International Airport
- MetroLink Red Line, Lambert Airport terminal 1 & 2 stations, 35 minutes
The major airport for arrivals in Washington is Ronald Reagan National Airport. Find all the information you need to know about services, amenities and connections at Ronald Reagan National Airport for your journey to Washington from St. Louis.
Amenities at airport
WifiShoppingParkingDiningATMTaxisAccessibilityWCHotelShowerLoungeLost and Found OfficeCar Rentalinformation
Distance to city center
4 kmCar connection
George Washington Memorial Parkway, Exit 10AWifi
- Free Wi-Fi available throughout the airport.
Shopping
- Shops are available in all terminals, including Hudson News and Duty-Free Americas.
Parking
- Parking available in garages A, B, and C, approximately 5.7€ ($6) per hour.
Dining
- Restaurants are located in all terminals, offering American, Italian, and fast food options; top choices include Legal Sea Foods and Five Guys.
Taxis
- Available outside the terminal.
Accessibility
- Elevators, ramps, assistance
WC
- Available throughout the airport.
Hotel
- Hotels within walking distance, including the Crystal Gateway Marriott.
Shower
- Showers are available in some lounges; access may require a lounge pass or membership.
Lounge
- Lounges available, including the American Airlines Admirals Club and Delta Sky Club.
Lost and Found Office
- Lost and Found located in terminal A; contact airport police for assistance.
Car Rental
- Car rental services are available on-site, with companies like Hertz, Avis, and Enterprise.
Public transit options for Ronald Reagan National Airport
- Washington Metro, Yellow/Blue Line, Rold Reagan Washington tiol Airport Station, 5 km
Amenities at airport
WifiShoppingParkingDiningATMTaxisAccessibilityWCHotelShowerLoungeLost and Found OfficeCar Rentalinformation
Distance to city center
3 kmCar connection
VA-267, Exit 9AWifi
- Free Wi-Fi available throughout the airport.
Shopping
- Shops available in all concourses, main shops include Duty-Free, Hudson News, and Tech on the Go.
Parking
- Parking available in the terminal Parking Garage, approximately 5.7€ ($6) per hour.
Dining
- Restaurants located in all concourses; options include fast food, cafes, and sit-down dining like Five Guys and Chipotle.
Taxis
- Available outside the terminal.
Accessibility
- Elevators, ramps, assistance
WC
- Available throughout the airport.
Hotel
- Hotels nearby include Washington Dulles Airport Marriott within walking distance.
Shower
- Showers available in some lounges; access typically requires lounge entry fee.
Lounge
- Lounges available, including United Club and Turkish Airlines Lounge.
Lost and Found Office
- Lost and Found located in the main terminal; contact via phone or email.
Car Rental
- Car rental services available on-site; companies include Avis, Hertz, and Enterprise.
Public transit options for Dulles International Airport
- Silver Line Metro, Dulles Intertiol Airport Station, 26 miles
More options for your journey from St. Louis, MO to Washington, DC
Here are some other resources that might have the information you need
Most popular flights to and from Washington, DC and St. Louis, MO
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