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Washington, D.C.

$53+ Cheap flights from Missouri to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — WAS
Nov 10 — Nov 171
Sun 11/10
Sun 11/17
1 adult, Economy
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Find flight deals from Missouri to Washington, D.C.

Cheapest flights from Missouri to Washington, D.C.
Explore the most affordable flight options available from Missouri to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 5, 2024.

This Booking.com deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/45:02 pmSTL - BWI
1 stop24h 05mFrontier
Wed 12/1110:10 amBWI - STL
1 stop14h 14mFrontier
Deal found 11/4$118
This Booking.com deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/134:07 pmMCI - BWI
1 stop27h 16mMultiple Airlines
Tue 12/106:00 amBWI - MCI
1 stop10h 47mMultiple Airlines
Deal found 11/5$149
This FlightHub deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/145:29 pmSTL - BWI
1 stop5h 42mMultiple Airlines
Sun 11/178:20 amBWI - STL
1 stop28h 20mMultiple Airlines
Deal found 11/3$168
This FareScan deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/37:11 pmMCI - BWI
1 stop24h 15mSpirit Airlines
Mon 12/912:20 pmBWI - MCI
1 stop28h 27mSpirit Airlines
Deal found 11/4$172
This Mytrip deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/134:07 pmMCI - BWI
1 stop27h 16mFrontier
Sun 11/179:58 pmBWI - MCI
1 stop22h 28mFrontier
Deal found 11/5$191
This American Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/44:01 pmSGF - BWI
1 stop5h 16mAmerican Airlines
Tue 12/106:13 amBWI - SGF
1 stop5h 50mAmerican Airlines
Deal found 11/5$198
This American Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/44:01 pmSGF - DCA
1 stop6h 48mAmerican Airlines
Tue 12/106:59 amDCA - SGF
1 stop6h 25mAmerican Airlines
Deal found 11/5$198
This FlightHub deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/165:25 pmSTL - DCA
1 stop17h 45mFrontier
Sat 11/236:00 pmDCA - STL
1 stop7h 06mFrontier
Deal found 11/3$208
This Mytrip deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/55:02 pmSTL - IAD
1 stop24h 17mFrontier
Mon 12/95:57 pmIAD - STL
1 stop6h 27mFrontier
Deal found 11/4$211
This American Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/186:30 amSTL - DCA
Nonstop1h 56mAmerican Airlines
Mon 11/253:36 pmDCA - STL
Nonstop2h 31mAmerican Airlines
Deal found 11/4$220
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/188:25 amSTL - IAD
Nonstop2h 11mUnited Airlines
Sun 2/98:50 amIAD - STL
Nonstop2h 34mUnited Airlines
Deal found 11/4$220
This FareScan deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/145:29 pmSTL - BWI
1 stop5h 42mSpirit Airlines
Sun 11/175:28 amBWI - STL
2 stops12h 06mSpirit Airlines
Deal found 11/3$225

Find flights from Missouri to Washington, D.C. within your budget

Customize your flight search to find flights from Missouri to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,554,862 searches. Data last updated November 5, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

Mon 12/9

11:31 am-6:24 pm

1 stop5h 53m

$53

Kansas CityBaltimore

MCI - BWI

MCIBWI

Kansas City

Wed 12/4

2:29 pm-11:23 pm

2 stops31h 54m

$79

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Wed 12/4

9:59 am-12:59 pm

Nonstop2h 00m

$115

St. LouisWashington, D.C.

STL - IAD

STLIAD

Lambert-St Louis

Tue 12/10

8:25 am-11:36 am

Nonstop2h 11m

$115

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Mon 12/9

9:56 am-5:30 pm

1 stop6h 34m

$116

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Sat 12/21

5:55 pm-10:57 pm

1 stop4h 02m

$124

Kansas CityBaltimore

MCI - BWI

MCIBWI

Kansas City

Wed 11/13

4:07 pm-8:23 pm

1 stop27h 16m

$63

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Fri 2/14

3:55 pm-6:55 pm

Nonstop2h 00m

$129

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Wed 2/12

6:38 pm-8:56 pm

2 stops25h 18m

$140

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

Tue 12/3

5:21 pm-8:38 am

2 stops14h 17m

$92

Flights are sorted by cheapest first

Deals found on 11/5

Showing 1-10 of 60 results
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Best time to book a flight from Missouri to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Missouri with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Missouri to Washington, D.C.

Get recent, data-driven insights about flights from Missouri to Washington, D.C. including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Missouri to Washington, D.C.?

Currently, December is the cheapest month in which you can book a flight from Missouri to Washington, D.C. (average of $298). Flying from Missouri to Washington, D.C. in June is currently the most expensive (average of $377). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MO to WAS?

Find hourly flight availability from Missouri to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 5, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Washington, D.C. as you normally would.

Weekly flight availability from Missouri to Washington, D.C.

Explore weekly flight availability from Missouri to Washington, D.C.. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 5, 2024.

The most flights from USMO to WAS are scheduled on a Monday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated November 5, 2024.
Peruse reviews from past customers who have flown with Frontier, United Airlines and Delta from Missouri to Washington, D.C. to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,082 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Boarding

8.3

Crew

8.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,082 reviews
Southwest
8.1
Very good
5,082 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Boarding

8.3

Crew

8.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,421 reviews
Southwest
8.1
Very good
5,082 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Boarding

8.3

Crew

8.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,830 reviews
Southwest
8.1
Very good
5,082 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Boarding

8.3

Crew

8.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,215 reviews
Southwest
8.1
Very good
5,082 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Boarding

8.3

Crew

8.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

WestJet
7.3
Good
2,800 reviews
Southwest
8.1
Very good
5,082 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Boarding

8.3

Crew

8.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Missouri to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Missouri to Washington, D.C. for under $200 on Cheapflights?

    Yes, there are multiple flights from Missouri to Washington, D.C. for under $200. The cheapest flight booked recently is on Frontier for just $108, but on average you can expect to pay $215.

  • Are there nonstop flights from Missouri to Washington, D.C. for under $300 on Cheapflights?

    Cheapflights has at least 8 direct flights from Missouri to Washington, D.C. under $300. A good price for a nonstop flight from Missouri to Washington, D.C. is less than $278.

  • Are there last-minute flights available from Missouri to Washington, D.C. for under $200?

    There are currently 20+ open flights from Missouri to Washington, D.C. within the next 7 days for less than $200.

  • What are the cheapest airlines to fly from Missouri to Washington, D.C. one-way?

    The cheapest airlines for a one-way flight from Missouri to Washington, D.C. are Frontier ($53), Spirit Airlines ($79), and Allegiant Air ($113).

  • What are the most popular routes from Missouri to Washington, D.C.?

    When deciding which route to take from Missouri to Washington, D.C. consider Lambert-St Louis - Washington, D.C. Dulles Intl, Kansas City - Washington, D.C. Dulles Intl or Lambert-St Louis - Washington, D.C. Reagan-National as they are the most popular.

  • What are the most reliable airlines from Missouri to Washington, D.C.?

    Consider Avianca (92%), Copa Airlines (91%) or GoJet (89%) when booking your flight. These represent the most reliable airlines when flying from Missouri to Washington, D.C..

  • What are the cheapest flights from Missouri to Washington, D.C.?

    While on average a flight from Missouri to Washington, D.C. is generally $1,098, our data shows the cheapest flight currently is $149. When looking at the most popular route, (Lambert-St Louis - Washington, D.C. Dulles Intl), you can expect to pay $178 for that flight.

  • What does STL to IAD mean?

    Great question - STL to IAD just means Lambert-St Louis Airport to Washington, D.C. Dulles Intl Airport. Now you’ll know what these unique codes when you look for flights! Baltimore/Washington Airport (BWI), Washington, D.C. Reagan-National Airport (DCA) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from Missouri to Washington, D.C. that include extra baggage allowance?

    The amount of baggage you can bring on your Missouri to Washington, D.C. flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Missouri to Washington, D.C. with specific airlines?

    Yes, Cheapflights allows you to browse and filter Missouri to Washington, D.C. flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Missouri to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Missouri to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Washington, D.C..

  • Can I find deals for business class flights from Missouri to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Missouri to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Missouri to Washington, D.C. that allow pets onboard?

    Many airlines flying from Missouri to Washington, D.C. offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Missouri to Washington, D.C.?

    Yes, you can often find last-minute deals on Missouri to Washington, D.C. flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Missouri to Washington, D.C. flight deals updated?

    The Missouri to Washington, D.C. flight deals you see on this page were last updated on 11/5.

  • What is the cheapest month to book a flight from Missouri to Washington, D.C.?

    Currently, December is the cheapest month in which you can book a flight from Missouri to Washington, D.C. (average of $298). Flying from Missouri to Washington, D.C. in June is currently the most expensive (average of $377). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Missouri to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Dulles Intl flights
Los Angeles to Reagan-National flights
Los Angeles to Dulles Intl flights
Boston to Reagan-National flights
Seattle to Dulles Intl flights
San Francisco to Dulles Intl flights
San Francisco to Reagan-National flights
Atlanta to Dulles Intl flights
Atlanta to Reagan-National flights
Boston to Dulles Intl flights
Seattle to Reagan-National flights
O'Hare Intl to Reagan-National flights
Dallas/Fort Worth to Reagan-National flights
O'Hare Intl to Dulles Intl flights
Orlando to Reagan-National flights
Hobby to Reagan-National flights
Hobby to Dulles Intl flights
Denver to Dulles Intl flights
Tampa to Dulles Intl flights
Denver to Reagan-National flights
George Bush Intcntl to Dulles Intl flights
Minneapolis to Reagan-National flights
Orlando to Dulles Intl flights
Miami to Reagan-National flights
John F Kennedy Intl to Reagan-National flights
LaGuardia to Reagan-National flights
LaGuardia to Dulles Intl flights
Newark to Dulles Intl flights
Austin to Dulles Intl flights
Fort Lauderdale to Dulles Intl flights
Tampa to Reagan-National flights
Detroit to Reagan-National flights
Miami to Dulles Intl flights
George Bush Intcntl to Reagan-National flights
Hartford to Dulles Intl flights
Minneapolis to Dulles Intl flights
Charlotte to Dulles Intl flights
John F Kennedy Intl to Dulles Intl flights
Newark to Reagan-National flights
San Diego to Dulles Intl flights
Ontario to Reagan-National flights
Sky Harbor Intl to Dulles Intl flights
Portland to Dulles Intl flights
Raleigh to Dulles Intl flights
Cincinnati to Dulles Intl flights
Detroit to Dulles Intl flights
Ontario to Dulles Intl flights
Sacramento to Dulles Intl flights
Fort Lauderdale to Reagan-National flights
Austin to Reagan-National flights

Top 6 airlines flying from Missouri to Washington, D.C.

Discover the top 6 airlines that operate flights from Missouri to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,554,862 searches. Data last updated November 5, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$98Average$204FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$129Average$424FlexibilityNo cancel feeOn-time71%
Spirit AirlinesCheapest$132Average$235FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$158Average$407FlexibilityNo cancel feeOn-time69%
DeltaCheapest$177Average$350FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$180Average$340FlexibilityNo cancel feeOn-time63%
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