Journey information
Overview: Washington, DC to St. Louis, MO 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.
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 |
The cheapest and fastest flights from Washington, DC to St. Louis, MO
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
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.
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.
AA3897 · AA3389
AA3389 · AA3650
UA528 · UA4613
UA590 · UA4515
UA590 · UA2005
UA4427
AA5398
UA4527
AA4484
AA5100+
AA2486Travel 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* |
![]() Most popular airline | ![]() Most popular train company | ![]() 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.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
UA210 · UA2005 | 10:05 PM Ronald Reagan National Airport | 5h00 | 3:05 AM St. Louis Lambert International Airport | 1 transfer | |
UA2497 · UA2005 | 10:17 PM Dulles International Airport | 4h48 | 3:05 AM St. Louis Lambert International Airport | 1 transfer | |
AA3804 · AA3573 | 10:17 PM Baltimore/Washington International Airport | 4h55 | 3:12 AM St. Louis Lambert International Airport | 1 transfer | |
UA590 · UA2005 | 10:20 PM Baltimore/Washington International Airport | 4h45 | 3:05 AM St. Louis Lambert International Airport | 1 transfer | |
AA4603+ AA3573 | 10:33 PM Ronald Reagan National Airport | 4h39 | 3:12 AM St. Louis Lambert International Airport | 1 transfer | |
UA1831 · UA3468 | 10:34 PM Dulles International Airport | 7h25 | 5:59 AM St. Louis Lambert International Airport | 1 transfer | |
UA4527 | 11:45 PM Dulles International Airport | 2h38 | 2:23 AM St. Louis Lambert International Airport | 0 transfersDirect | |
| Sunday, March 1 | |||||
AA4484 | 12:51 AM Ronald Reagan National Airport | 2h46 | 3:37 AM St. Louis Lambert International Airport | 0 transfersDirect | |
AA1313 · AA2475 | 10:00 AM Dulles International Airport | 4h35 | 2:35 PM St. Louis Lambert International Airport | 1 transfer | |
AA2224 · AA2475 | 10:00 AM Baltimore/Washington International Airport | 4h35 | 2:35 PM St. Louis Lambert International Airport | 1 transfer | |
AA2882 · AA2475 | 10:00 AM Ronald Reagan National Airport | 4h35 | 2:35 PM St. Louis Lambert International Airport | 1 transfer | |
AA3389 · AA3650 | 10:00 AM Baltimore/Washington International Airport | 6h03 | 4:03 PM St. Louis Lambert International Airport | 1 transfer | |
AA3897 · AA3389 | 10:00 AM Baltimore/Washington International Airport | 4h35 | 2:35 PM St. Louis Lambert International Airport | 1 transfer | |
UA2669 · UA3630 | 11:00 AM Dulles International Airport | 5h58 | 4:58 PM St. Louis Lambert International Airport | 1 transfer | |
UA2669 · UA1328 · UA4494 | 11:00 AM Dulles International Airport | 9h29 | 8:29 PM St. Louis Lambert International Airport | 2 transfers | |
UA2669 · UA1960 · UA4494 | 11:00 AM Dulles International Airport | 9h29 | 8:29 PM St. Louis Lambert International Airport | 2 transfers | |
AA2903+ AA3650 | 11:00 AM Ronald Reagan National Airport | 5h03 | 4:03 PM St. Louis Lambert International Airport | 1 transfer | |
AA4754 · AA4475 | 11:16 AM Ronald Reagan National Airport | 5h32 | 4:48 PM St. Louis Lambert International Airport | 1 transfer | |
UA528 · UA4613 | 11:30 AM Baltimore/Washington International Airport | 5h06 | 4:36 PM St. Louis Lambert International Airport | 1 transfer | |
AA1617 · AA2486 | 11:41 AM Ronald Reagan National Airport | 7h02 | 6:43 PM St. Louis Lambert International Airport | 1 transfer | |
AA1588 · AA2486 | 11:46 AM Baltimore/Washington International Airport | 6h57 | 6:43 PM St. Louis Lambert International Airport | 1 transfer | |
AA4540+ AA3667 | 11:55 AM Baltimore/Washington International Airport | 7h48 | 7:43 PM St. Louis Lambert International Airport | 1 transfer | |
UA3423 · UA1960 · UA4494 | 12:00 PM Ronald Reagan National Airport | 8h29 | 8:29 PM St. Louis Lambert International Airport | 2 transfers | |
UA3423 · UA3630 | 12:00 PM Ronald Reagan National Airport | 4h58 | 4:58 PM St. Louis Lambert International Airport | 1 transfer | |
AA4469+ AA3667 | 12:42 PM Ronald Reagan National Airport | 7h01 | 7:43 PM St. Louis Lambert International Airport | 1 transfer | |
UA2412 · UA1315 | 1:00 PM Baltimore/Washington International Airport | 9h58 | 10:58 PM St. Louis Lambert International Airport | 1 transfer | |
UA304 · UA6132 | 1:10 PM Ronald Reagan National Airport | 8h28 | 9:38 PM St. Louis Lambert International Airport | 1 transfer | |
UA1775 · UA4491 | 1:15 PM Dulles International Airport | 5h06 | 6:21 PM St. Louis Lambert International Airport | 1 transfer | |
UA1524 · UA6132 | 1:15 PM Dulles International Airport | 8h23 | 9:38 PM St. Louis Lambert International Airport | 1 transfer | |
UA726 · UA561 · UA4494 | 1:15 PM Dulles International Airport | 7h14 | 8:29 PM St. Louis Lambert International Airport | 2 transfers | |
UA1999 · UA1875 · UA4516 | 1:36 PM Dulles International Airport | 8h26 | 10:02 PM St. Louis Lambert International Airport | 2 transfers | |
UA4427 | 1:40 PM Dulles International Airport | 2h33 | 4:13 PM St. Louis Lambert International Airport | 0 transfersDirect | |
AA2687 · AA2486 | 1:42 PM Ronald Reagan National Airport | 5h01 | 6:43 PM St. Louis Lambert International Airport | 1 transfer | |
UA4591 · UA1875 · UA4518 | 2:05 PM Ronald Reagan National Airport | 9h39 | 11:44 PM St. Louis Lambert International Airport | 2 transfers | |
UA4591 · UA1875 · UA4516 | 2:05 PM Ronald Reagan National Airport | 7h57 | 10:02 PM St. Louis Lambert International Airport | 2 transfers | |
AA5100+ AA2486 | 2:18 PM Dulles International Airport | 4h25 | 6:43 PM St. Louis Lambert International Airport | 1 transfer | |
AA1200+ AA3667 | 2:20 PM Ronald Reagan National Airport | 5h23 | 7:43 PM St. Louis Lambert International Airport | 1 transfer | |
UA2681 · UA1315 | 2:50 PM Dulles International Airport | 8h08 | 10:58 PM St. Louis Lambert International Airport | 1 transfer | |
AA4384 · AA4461 | 3:00 PM Ronald Reagan National Airport | 5h51 | 8:51 PM St. Louis Lambert International Airport | 1 transfer | |
UA3413 · UA3719 | 4:05 PM Ronald Reagan National Airport | 6h55 | 11:00 PM St. Louis Lambert International Airport | 1 transfer | |
UA4187 · UA3719 | 5:35 PM Dulles International Airport | 5h25 | 11:00 PM St. Louis Lambert International Airport | 1 transfer | |
UA2741 · UA1422 | 5:35 PM Dulles International Airport | 8h51 | 2:26 AM St. Louis Lambert International Airport | 1 transfer | |
AA5398 | 6:44 PM Ronald Reagan National Airport | 2h34 | 9:18 PM St. Louis Lambert International Airport | 0 transfersDirect | |
UA3483 · UA4518 | 7:00 PM Ronald Reagan National Airport | 4h44 | 11:44 PM St. Louis Lambert International Airport | 1 transfer | |
AA5543+ AA2477 | 7:03 PM Dulles International Airport | 5h04 | 12:07 AM St. Louis Lambert International Airport | 1 transfer | |
AA5543+ AA2937 | 7:03 PM Dulles International Airport | 6h27 | 1:30 AM St. Louis Lambert International Airport | 1 transfer | |
UA2668 · UA1422 | 7:12 PM Dulles International Airport | 7h14 | 2:26 AM St. Louis Lambert International Airport | 1 transfer | |
AA4436 · AA4383 | 7:19 PM Ronald Reagan National Airport | 6h47 | 2:06 AM St. Louis Lambert International Airport | 1 transfer | |
UA1381 · UA489 | 7:45 PM Ronald Reagan National Airport | 8h29 | 4:14 AM St. Louis Lambert International Airport | 1 transfer | |
AA2152+ AA3573 | 8:21 PM Ronald Reagan National Airport | 6h51 | 3:12 AM St. Louis Lambert International Airport | 1 transfer | |
UA1325 · UA4416 | 8:30 PM Ronald Reagan National Airport | 4h44 | 1:14 AM St. Louis Lambert International Airport | 1 transfer | |
UA653 · UA489 | 9:05 PM Baltimore/Washington International Airport | 7h09 | 4:14 AM St. Louis Lambert International Airport | 1 transfer | |
UA1785 · UA489 | 9:28 PM Ronald Reagan National Airport | 6h46 | 4:14 AM St. Louis Lambert International Airport | 1 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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Why should you book Washington, DC to St. Louis, MO flights with Omio?
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
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.

- 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.
- 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.
popular airports
Popular airports from Washington, DC to St. Louis, MO
- Free Wi-Fi available throughout the airport.
- Shops are available in all terminals, including Hudson News and Duty-Free Americas.
- Parking available in garages A, B, and C, approximately 5.7€ ($6) per hour.
- Restaurants are located in all terminals, offering American, Italian, and fast food options; top choices include Legal Sea Foods and Five Guys.
- Available outside the terminal.
- Elevators, ramps, assistance
- Available throughout the airport.
- Hotels within walking distance, including the Crystal Gateway Marriott.
- Showers are available in some lounges; access may require a lounge pass or membership.
- Lounges available, including the American Airlines Admirals Club and Delta Sky Club.
- Lost and Found located in terminal A; contact airport police for assistance.
- Car rental services are available on-site, with companies like Hertz, Avis, and Enterprise.
- Washington Metro, Yellow/Blue Line, Rold Reagan Washington tiol Airport Station, 5 km
- Free Wi-Fi available throughout the airport.
- Shops available in all concourses, main shops include Duty-Free, Hudson News, and Tech on the Go.
- Parking available in the terminal Parking Garage, approximately 5.7€ ($6) per hour.
- Restaurants located in all concourses; options include fast food, cafes, and sit-down dining like Five Guys and Chipotle.
- Available outside the terminal.
- Elevators, ramps, assistance
- Available throughout the airport.
- Hotels nearby include Washington Dulles Airport Marriott within walking distance.
- Showers available in some lounges; access typically requires lounge entry fee.
- Lounges available, including United Club and Turkish Airlines Lounge.
- Lost and Found located in the main terminal; contact via phone or email.
- Car rental services available on-site; companies include Avis, Hertz, and Enterprise.
- Silver Line Metro, Dulles Intertiol Airport Station, 26 miles
- Free Wi-Fi available throughout the airport.
- Shops in both terminals, including Hudson News and Tech on the Go.
- Parking available with short-term and long-term options, approximately 1.42€ ($1.50) per hour.
- Restaurants in both terminals, including fast food and sit-down options like Starbucks and Chili's
- Available outside the terminal.
- Elevators, ramps
- Available throughout both terminals.
- Hotels nearby, such as Marriott St. Louis Airport within walking distance.
- Showers available in some lounges, access may require lounge fee.
- Lounges available, including American Airlines Admirals Club.
- Lost and Found located in terminal 1, contact airport for details.
- Car rental services available, including Hertz and Enterprise in terminal 1
- MetroLink Red Line, Lambert Airport terminal 1 & 2 stations, 35 minutes
More options for your journey from Washington, DC to St. Louis, MO
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