Washington, DC WAS to St. Louis, MO STL flight with American Airlines

Sat, Feb 28
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Journey information

Overview: Washington, DC to St. Louis, MO flight

USAUSA
USAUSA
Icon of flight

Flights from Washington, DC to St. Louis, MO depart on average 40 times per day, taking around 3h 6m. Cheap flight tickets for this journey start at $112 (€89) but you can travel from only $104 (€82) by bus.

There are 3 flights per day. The earliest flight runs at 05:00, the last at 21:15. The fastest flight covers the 708 miles (1141 km) distance in 2h 27m. January 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 $104 (€82)
Distance
708 miles (1141 km)
Average flight duration
3h 6m
Cheapest ticket price
$112 (€89)
Flights per day
40
Direct flights
3
Fastest flight
2h 27m
Cheapest month
January
First flight
05:00
Last flight
21:15
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 $104 (€82)

The cheapest and fastest flights from Washington, DC to St. Louis, MO

Showing times and prices for Mar 01

Cheapest price

$245

Average price

$695

Fastest journey

2 h 33 m

Average duration

2 h 59 m

Flights per day

58

Distance

1141 km

Cheap tickets

The best way to find a cheap flight ticket from Washington, DC to St. Louis, MO is to book your journey as far in advance as possible and to avoid traveling at rush hour.

The average ticket from Washington, DC to St. Louis, MO will cost around $695 if you buy it on the day, but the cheapest tickets can be found for only $245.

Fast flights

Of the 58 flights that leave Washington, DC for St. Louis, MO onSun, Mar 01, 4 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.

On Sun, Mar 01 the direct flights cover the 1141 km distance in an average of 2 h 59 m but if you time it right, some flights will get you there in just 2 h 33 m .

On Sun, Mar 01 the longest flights will take 4 h 25 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.

envoy airAA3897 · AA3389
05:00AM4h35
Baltimore/Washington International Airport
08:35AMSt. Louis Lambert International Airport
$2451One-way
1 transfer
envoy airAA3389 · AA3650
05:00AM6h03
Baltimore/Washington International Airport
10:03AMSt. Louis Lambert International Airport
$2451One-way
1 transfer
UnitedUA528 · UA4613
06:30AM5h06
Baltimore/Washington International Airport
10:36AMSt. Louis Lambert International Airport
$3831One-way
1 transfer
UnitedUA590 · UA4515
05:20PM5h20
Baltimore/Washington International Airport
09:40PMSt. Louis Lambert International Airport
$3831One-way
1 transfer
UnitedUA590 · UA2005
05:20PM4h45
Baltimore/Washington International Airport
09:05PMSt. Louis Lambert International Airport
$3871One-way
1 transfer

Travel Information

Compare train, bus, and flight for Washington, DC to St. Louis, MO

Omio recommends booking the train as it is the most popular option from Washington, DC to St. Louis, MO among Omio's users. If you are prioritising price take the bus with prices starting from $104. For those with little time consider booking a flight which can get you there in 3h 6m. The ticket price range depends on the travel mode: a bus costs an average of $104, and a train costs an average of $112.

Distance: 708 miles (1141 km)

Compare flight with

Flight
Most popular
Train
Bus

$212

Average price

$264

Average price

$178

Average price

Cheapest

6h 6m

Average total duration

Fastest

3h 6m

Onboard

+

3h 0m

Additional time*

25h 48m

Average total duration

25h 18m

Onboard

+

30m

Additional time*

20h 23m

Average total duration

19h 53m

Onboard

+

30m

Additional time*

American Airlines

Most popular airline

Amtrak

Most popular train company

Greyhound

Most popular bus company

Direct Options

Direct Options

Direct Options

Live departures

Washington, DC to St. Louis, MO flight times

The table below shows live departures for Washington, DC to St. Louis, MO flights for today, Saturday, February 28. You can also manually refresh the results below to see updated flight journeys.

Last updated at 10:04 PM
ProviderDepartsDurationArrivesTransfers
Tickets
unitedUA210 · UA200510:05 PM Ronald Reagan National Airport
5h00
3:05 AM St. Louis Lambert International Airport1 transfer
unitedUA2497 · UA200510:17 PM Dulles International Airport
4h48
3:05 AM St. Louis Lambert International Airport1 transfer
envoy_airAA3804 · AA357310:17 PM Baltimore/Washington International Airport
4h55
3:12 AM St. Louis Lambert International Airport1 transfer
unitedUA590 · UA200510:20 PM Baltimore/Washington International Airport
4h45
3:05 AM St. Louis Lambert International Airport1 transfer
republic_airlinesAA4603+envoy_airAA357310:33 PM Ronald Reagan National Airport
4h39
3:12 AM St. Louis Lambert International Airport1 transfer
unitedUA1831 · UA346810:34 PM Dulles International Airport
7h25
5:59 AM St. Louis Lambert International Airport1 transfer
unitedUA452711:45 PM Dulles International Airport
2h38
2:23 AM St. Louis Lambert International Airport0 transfersDirect
Sunday, March 1
republic_airlinesAA448412:51 AM Ronald Reagan National Airport
2h46
3:37 AM St. Louis Lambert International Airport0 transfersDirect
american_airlinesAA1313 · AA247510:00 AM Dulles International Airport
4h35
2:35 PM St. Louis Lambert International Airport1 transfer
american_airlinesAA2224 · AA247510:00 AM Baltimore/Washington International Airport
4h35
2:35 PM St. Louis Lambert International Airport1 transfer
american_airlinesAA2882 · AA247510:00 AM Ronald Reagan National Airport
4h35
2:35 PM St. Louis Lambert International Airport1 transfer
envoy_airAA3389 · AA365010:00 AM Baltimore/Washington International Airport
6h03
4:03 PM St. Louis Lambert International Airport1 transfer
envoy_airAA3897 · AA338910:00 AM Baltimore/Washington International Airport
4h35
2:35 PM St. Louis Lambert International Airport1 transfer
unitedUA2669 · UA363011:00 AM Dulles International Airport
5h58
4:58 PM St. Louis Lambert International Airport1 transfer
unitedUA2669 · UA1328 · UA449411:00 AM Dulles International Airport
9h29
8:29 PM St. Louis Lambert International Airport2 transfers
unitedUA2669 · UA1960 · UA449411:00 AM Dulles International Airport
9h29
8:29 PM St. Louis Lambert International Airport2 transfers
american_airlinesAA2903+envoy_airAA365011:00 AM Ronald Reagan National Airport
5h03
4:03 PM St. Louis Lambert International Airport1 transfer
republic_airlinesAA4754 · AA447511:16 AM Ronald Reagan National Airport
5h32
4:48 PM St. Louis Lambert International Airport1 transfer
unitedUA528 · UA461311:30 AM Baltimore/Washington International Airport
5h06
4:36 PM St. Louis Lambert International Airport1 transfer
american_airlinesAA1617 · AA248611:41 AM Ronald Reagan National Airport
7h02
6:43 PM St. Louis Lambert International Airport1 transfer
american_airlinesAA1588 · AA248611:46 AM Baltimore/Washington International Airport
6h57
6:43 PM St. Louis Lambert International Airport1 transfer
republic_airlinesAA4540+envoy_airAA366711:55 AM Baltimore/Washington International Airport
7h48
7:43 PM St. Louis Lambert International Airport1 transfer
unitedUA3423 · UA1960 · UA449412:00 PM Ronald Reagan National Airport
8h29
8:29 PM St. Louis Lambert International Airport2 transfers
unitedUA3423 · UA363012:00 PM Ronald Reagan National Airport
4h58
4:58 PM St. Louis Lambert International Airport1 transfer
republic_airlinesAA4469+envoy_airAA366712:42 PM Ronald Reagan National Airport
7h01
7:43 PM St. Louis Lambert International Airport1 transfer
unitedUA2412 · UA13151:00 PM Baltimore/Washington International Airport
9h58
10:58 PM St. Louis Lambert International Airport1 transfer
unitedUA304 · UA61321:10 PM Ronald Reagan National Airport
8h28
9:38 PM St. Louis Lambert International Airport1 transfer
unitedUA1775 · UA44911:15 PM Dulles International Airport
5h06
6:21 PM St. Louis Lambert International Airport1 transfer
unitedUA1524 · UA61321:15 PM Dulles International Airport
8h23
9:38 PM St. Louis Lambert International Airport1 transfer
unitedUA726 · UA561 · UA44941:15 PM Dulles International Airport
7h14
8:29 PM St. Louis Lambert International Airport2 transfers
unitedUA1999 · UA1875 · UA45161:36 PM Dulles International Airport
8h26
10:02 PM St. Louis Lambert International Airport2 transfers
unitedUA44271:40 PM Dulles International Airport
2h33
4:13 PM St. Louis Lambert International Airport0 transfersDirect
american_airlinesAA2687 · AA24861:42 PM Ronald Reagan National Airport
5h01
6:43 PM St. Louis Lambert International Airport1 transfer
unitedUA4591 · UA1875 · UA45182:05 PM Ronald Reagan National Airport
9h39
11:44 PM St. Louis Lambert International Airport2 transfers
unitedUA4591 · UA1875 · UA45162:05 PM Ronald Reagan National Airport
7h57
10:02 PM St. Louis Lambert International Airport2 transfers
psa_airlinesAA5100+american_airlinesAA24862:18 PM Dulles International Airport
4h25
6:43 PM St. Louis Lambert International Airport1 transfer
american_airlinesAA1200+envoy_airAA36672:20 PM Ronald Reagan National Airport
5h23
7:43 PM St. Louis Lambert International Airport1 transfer
unitedUA2681 · UA13152:50 PM Dulles International Airport
8h08
10:58 PM St. Louis Lambert International Airport1 transfer
republic_airlinesAA4384 · AA44613:00 PM Ronald Reagan National Airport
5h51
8:51 PM St. Louis Lambert International Airport1 transfer
unitedUA3413 · UA37194:05 PM Ronald Reagan National Airport
6h55
11:00 PM St. Louis Lambert International Airport1 transfer
unitedUA4187 · UA37195:35 PM Dulles International Airport
5h25
11:00 PM St. Louis Lambert International Airport1 transfer
unitedUA2741 · UA14225:35 PM Dulles International Airport
8h51
2:26 AM St. Louis Lambert International Airport1 transfer
psa_airlinesAA53986:44 PM Ronald Reagan National Airport
2h34
9:18 PM St. Louis Lambert International Airport0 transfersDirect
unitedUA3483 · UA45187:00 PM Ronald Reagan National Airport
4h44
11:44 PM St. Louis Lambert International Airport1 transfer
psa_airlinesAA5543+american_airlinesAA24777:03 PM Dulles International Airport
5h04
12:07 AM St. Louis Lambert International Airport1 transfer
psa_airlinesAA5543+american_airlinesAA29377:03 PM Dulles International Airport
6h27
1:30 AM St. Louis Lambert International Airport1 transfer
unitedUA2668 · UA14227:12 PM Dulles International Airport
7h14
2:26 AM St. Louis Lambert International Airport1 transfer
republic_airlinesAA4436 · AA43837:19 PM Ronald Reagan National Airport
6h47
2:06 AM St. Louis Lambert International Airport1 transfer
unitedUA1381 · UA4897:45 PM Ronald Reagan National Airport
8h29
4:14 AM St. Louis Lambert International Airport1 transfer
american_airlinesAA2152+envoy_airAA35738:21 PM Ronald Reagan National Airport
6h51
3:12 AM St. Louis Lambert International Airport1 transfer
unitedUA1325 · UA44168:30 PM Ronald Reagan National Airport
4h44
1:14 AM St. Louis Lambert International Airport1 transfer
unitedUA653 · UA4899:05 PM Baltimore/Washington International Airport
7h09
4:14 AM St. Louis Lambert International Airport1 transfer
unitedUA1785 · UA4899:28 PM Ronald Reagan National Airport
6h46
4:14 AM St. Louis Lambert International Airport1 transfer

This is the last flight of the day.

Find all the dates and times for this journey

Compare prices and tickets Washington, DC to St. Louis, MO 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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Mar 01
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Mar 07

Why should you book Washington, DC to St. Louis, MO flights with Omio?

American Airlines operates all flights services from Washington, DC to St. Louis, MO.
Omio is an official ticket reseller for all your travel options from Washington, DC to St. Louis, MO.

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 Washington, DC to St. Louis, MO.

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 Washington, DC to St. Louis, MO.

Airlines: American Airlines from Washington, DC to St. Louis, MOFind the best flights between Washington, DC to St. Louis, MO with Omio's travel partners American Airlines from $104 (€82). 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 27m
Cheapest Price
$112 (€89)
American Airlines frequency
16 a day
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

FAQs: Washington, DC to St. Louis, MO Flight

Find answers to the most common questions about traveling from Washington, DC to St. Louis, MO 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 St. Louis, MO, this guide helps you travel smarter and with confidence.

FAQs
Cheap plane tickets from Washington, DC to St. Louis, MO can start from as little as $112 (€89) when you book in advance. The average flight ticket price for Washington, DC to St. Louis, MO is $212 (€169) ; 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 Washington, DC to St. Louis, MO is 2h 27m 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 Washington, DC to St. Louis, MO leaves at 5:00 AM. Plan your trip with the Journey Planner from Omio.
The latest flight from Washington, DC to St. Louis, MO leaves at 9:15 PM.
Yes, there are 3 direct flights a day from Washington, DC to St. Louis, MO with American Airlines. Schedules can vary on holidays or weekends with fewer direct flights.
When taking a flight from Washington, DC to St. Louis, MO, you can count on American Airlines for the best way to get you to St. Louis, MO. You can also check all possible airlines who offer a service between Washington, DC and St. Louis, MO and compare the amenities they offer before buying a plane ticket.
Flights from Washington, DC to St. Louis, MO generally leave from Ronald Reagan National Airport and arrive in St. Louis Lambert International Airport.Ronald Reagan National Airport is 2 miles (4 km) away from Washington, DC city centre and St. Louis Lambert International Airport is 1 miles (2 km) from St. Louis, MO city centre.
The cheapest month for a flight from Washington, DC to St. Louis, MO is January.
It's helpful to compare your options as there are 3 ways to travel between Washington, DC and St. Louis, MO including taking a train, bus, and flight.
Since neither Washington, DC nor St. Louis, MO 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 Washington, DC and St. Louis, MO all year round.
The best events to attend in St. Louis, MO include:
  • St. Louis Mardi Gras, a vibrant celebration featuring parades, live music, and festive activities in the Soulard neighborhood
  • St. Louis Art Fair, an annual event showcasing local and national artists with art exhibits, live performances, and culinary delights
  • Fair St. Louis, a multi-day Independence Day festival with fireworks, concerts, and family-friendly activities along the Gateway Arch.
The best holidays to experience in St. Louis, MO include:
  • Independence Day, vibrant fireworks and festive celebrations throughout the city
  • Labor Day, pleasant weather and various outdoor activities
  • Thanksgiving, a time for family gatherings with a charming autumn atmosphere.
The best season to visit St. Louis, MO is Spring or Fall. The best weather to explore St. Louis, MO is during April-May or September-October.
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.

popular airports

Popular airports from Washington, DC to St. Louis, MO

Washington
St. Louis
The major airport for departures 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 trip from Washington to St. Louis.
Amenities at airport
WifiWifi
ShoppingShopping
ParkingParking
DiningDining
ATMATM
TaxisTaxis
AccessibilityAccessibility
WCWC
HotelHotel
ShowerShower
LoungeLounge
Lost and Found OfficeLost and Found Office
Car RentalCar Rental
information
ticketOfficeHours
Distance to city center
4 km
carConnection
Car connection
George Washington Memorial Parkway, Exit 10A
Wifi
Wifi
  • Free Wi-Fi available throughout the airport.
Shopping
Shopping
  • Shops are available in all terminals, including Hudson News and Duty-Free Americas.
Parking
Parking
  • Parking available in garages A, B, and C, approximately 5.7€ ($6) per hour.
Dining
Dining
  • Restaurants are located in all terminals, offering American, Italian, and fast food options; top choices include Legal Sea Foods and Five Guys.
Taxis
Taxis
  • Available outside the terminal.
Accessibility
Accessibility
  • Elevators, ramps, assistance
WC
WC
  • Available throughout the airport.
Hotel
Hotel
  • Hotels within walking distance, including the Crystal Gateway Marriott.
Shower
Shower
  • Showers are available in some lounges; access may require a lounge pass or membership.
Lounge
Lounge
  • Lounges available, including the American Airlines Admirals Club and Delta Sky Club.
Lost and Found Office
Lost and Found Office
  • Lost and Found located in terminal A; contact airport police for assistance.
Car Rental
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
WifiWifi
ShoppingShopping
ParkingParking
DiningDining
ATMATM
TaxisTaxis
AccessibilityAccessibility
WCWC
HotelHotel
ShowerShower
LoungeLounge
Lost and Found OfficeLost and Found Office
Car RentalCar Rental
information
ticketOfficeHours
Distance to city center
3 km
carConnection
Car connection
VA-267, Exit 9A
Wifi
Wifi
  • Free Wi-Fi available throughout the airport.
Shopping
Shopping
  • Shops available in all concourses, main shops include Duty-Free, Hudson News, and Tech on the Go.
Parking
Parking
  • Parking available in the terminal Parking Garage, approximately 5.7€ ($6) per hour.
Dining
Dining
  • Restaurants located in all concourses; options include fast food, cafes, and sit-down dining like Five Guys and Chipotle.
Taxis
Taxis
  • Available outside the terminal.
Accessibility
Accessibility
  • Elevators, ramps, assistance
WC
WC
  • Available throughout the airport.
Hotel
Hotel
  • Hotels nearby include Washington Dulles Airport Marriott within walking distance.
Shower
Shower
  • Showers available in some lounges; access typically requires lounge entry fee.
Lounge
Lounge
  • Lounges available, including United Club and Turkish Airlines Lounge.
Lost and Found Office
Lost and Found Office
  • Lost and Found located in the main terminal; contact via phone or email.
Car Rental
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

Most popular flights to and from St. Louis, MO and Washington, DC

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