HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington, D.C.

$65+ 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
STL — WAS
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Missouri to Washington, D.C. with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Missouri to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Missouri (USMO) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

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 21, 2024.

This FlightHub deal was found by Cheapflights users on 11/20. 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.
Wed 12/45:02 pmSTL - BWI
1 stop14h 05mFrontier
Mon 12/99:15 amBWI - STL
1 stop15h 09mFrontier
Deal found 11/20$118
This Mytrip deal was found by Cheapflights users on 11/20. 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 12/44:52 pmMCI - BWI
1 stop14h 46mSpirit Airlines
Wed 12/116:00 amBWI - MCI
1 stop10h 47mSpirit Airlines
Deal found 11/20$195
This FlightHub deal was found by Cheapflights users on 11/20. 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 12/74:26 pmSTL - BWI
1 stop16h 11mMultiple Airlines
Mon 12/99:15 amBWI - STL
1 stop15h 09mMultiple Airlines
Deal found 11/20$203
This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/166:00 amSTL - BWI
1 stop6h 04mDelta
Mon 12/167:47 pmBWI - STL
1 stop4h 56mDelta
Deal found 11/20$216
This CheapOair deal was found by Cheapflights users on 11/20. 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 CheapOair 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
Sun 12/85:57 pmIAD - STL
1 stop6h 27mFrontier
Deal found 11/20$218
This Frontier deal was found by Cheapflights users on 11/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/189:52 amMCI - DCA
1 stop6h 07mFrontier
Thu 12/191:01 pmDCA - MCI
1 stop7h 37mFrontier
Deal found 11/20$228
This American Airlines deal was found by Cheapflights users on 11/20. 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 12/166:10 amSTL - DCA
Nonstop2h 08mAmerican Airlines
Mon 12/168:04 pmDCA - STL
Nonstop2h 49mAmerican Airlines
Deal found 11/20$229
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/238:25 amSTL - IAD
Nonstop2h 18mUnited Airlines
Sun 12/298:35 amIAD - STL
1 stop6h 49mUnited Airlines
Deal found 11/19$239
This Mytrip deal was found by Cheapflights users on 11/20. 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 12/124:26 pmSTL - BWI
2 stops15h 12mSpirit Airlines
Mon 12/166:55 amBWI - STL
3 stops33h 26mSpirit Airlines
Deal found 11/20$243
This Delta deal was found by Cheapflights users on 11/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/206:29 amSTL - DCA
1 stop4h 30mDelta
Mon 12/305:42 pmDCA - STL
1 stop4h 53mDelta
Deal found 11/21$248
This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/147:15 amSTL - IAD
1 stop6h 21mDelta
Sat 1/47:15 amIAD - STL
1 stop5h 54mDelta
Deal found 11/20$248
This American Airlines deal was found by Cheapflights users on 11/20. 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.
Fri 12/66:35 pmSGF - DCA
1 stop4h 24mAmerican Airlines
Sun 12/86:00 amDCA - SGF
1 stop6h 44mAmerican Airlines
Deal found 11/20$258

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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

Wed 12/4

5:02 pm-8:07 am

1 stop14h 05m

Baltimore/Washington

Mon 12/9

9:15 am-11:24 pm

1 stop15h 09m

$118

Kansas CityBaltimore

MCI - BWI

MCIBWI

Kansas City

Wed 12/4

4:52 pm-8:38 am

1 stop14h 46m

Baltimore/Washington

Wed 12/11

6:00 am-3:47 pm

1 stop10h 47m

$195

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

Thu 2/6

3:48 pm-11:59 pm

1 stop7h 11m

Baltimore/Washington

Fri 2/7

9:20 pm-11:31 pm

1 stop27h 11m

$197

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

Mon 12/16

6:00 am-1:04 pm

1 stop6h 04m

Baltimore/Washington

Mon 12/16

7:47 pm-11:43 pm

1 stop4h 56m

$216

Kansas CityWashington, D.C.

MCI - DCA

MCIDCA

Kansas City

Mon 2/10

6:39 pm-12:06 pm

1 stop16h 27m

Washington, D.C. Reagan-National

Thu 2/13

6:00 pm-7:35 pm

1 stop26h 35m

$218

St. LouisWashington, D.C.

STL - IAD

STLIAD

Lambert-St Louis

Thu 12/5

5:02 pm-6:19 pm

1 stop24h 17m

Washington, D.C. Dulles Intl

Sun 12/8

5:57 pm-11:24 pm

1 stop6h 27m

$218

SpringfieldWashington, D.C.

SGF - DCA

SGFDCA

Springfield-Branson

Tue 2/11

5:30 pm-11:20 pm

1 stop4h 50m

Washington, D.C. Reagan-National

Sun 2/16

6:00 am-11:43 am

1 stop6h 43m

$228

SpringfieldWashington, D.C.

SGF - IAD

SGFIAD

Springfield-Branson

Tue 2/11

8:26 am-4:14 pm

1 stop6h 48m

Washington, D.C. Dulles Intl

Sun 2/16

6:30 am-10:52 am

1 stop5h 22m

$228

St. LouisWashington, D.C.

STL - IAD

STLIAD

Lambert-St Louis

Thu 1/2

8:25 am-11:43 am

Nonstop2h 18m

Washington, D.C. Dulles Intl

Sat 1/4

6:50 pm-8:23 pm

Nonstop2h 33m

$229

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Mon 12/16

6:10 am-9:18 am

Nonstop2h 08m

Washington, D.C. Reagan-National

Mon 12/16

8:04 pm-9:53 pm

Nonstop2h 49m

$229

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 60 results
1
2
3
...
6

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, September is the cheapest month in which you can book a flight from Missouri to Washington, D.C. (average of $300). Flying from Missouri to Washington, D.C. in June is currently the most expensive (average of $376). 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 21, 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 21, 2024.

The most flights from USMO to WAS are scheduled on a Monday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 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 21, 2024.
Peruse reviews from past customers who have flown with United Airlines, American Airlines and Frontier 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
5,015 reviews

Entertainment

7.7

Boarding

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Overall

8.1

Reviews

1 / 10

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

Southwest
8.1
Very good
5,015 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Boarding

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Overall

8.1

Reviews

1 / 10

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

Alaska Airlines
8.0
Very good
9,458 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Boarding

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Overall

8.1

Reviews

1 / 10

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

Delta
8.0
Very good
8,758 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Boarding

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Overall

8.1

Reviews

1 / 10

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

United Airlines
7.4
Good
9,172 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Boarding

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Overall

8.1

Reviews

1 / 10

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

WestJet
7.3
Good
2,810 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Boarding

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Overall

8.1

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.

  • 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 ($65), Spirit Airlines ($82), and Delta ($108).

  • 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 (93%), Copa Airlines (93%) or Lufthansa (92%) 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 $1,072, our data shows the cheapest flight currently is $141. When looking at the most popular route, (Lambert-St Louis - Washington, D.C. Dulles Intl), you can expect to pay $229 for that flight.

  • 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.

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

    Currently, September is the cheapest month in which you can book a flight from Missouri to Washington, D.C. (average of $300). Flying from Missouri to Washington, D.C. in June is currently the most expensive (average of $376). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Missouri to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Dulles Intl flights
Los Angeles to Reagan-National flights
Dallas/Fort Worth to Dulles Intl flights
Boston to Dulles Intl flights
Dallas/Fort Worth to Reagan-National flights
Atlanta to Dulles Intl flights
Seattle to Dulles Intl flights
San Francisco to Dulles Intl flights
San Francisco to Reagan-National flights
Boston to Reagan-National flights
Atlanta to Reagan-National flights
Seattle to Reagan-National flights
Hobby to Reagan-National flights
O'Hare Intl to Dulles Intl flights
Orlando to Dulles Intl flights
Orlando to Reagan-National flights
Miami to Reagan-National flights
Hobby to Dulles Intl flights
O'Hare Intl to Reagan-National flights
John F Kennedy Intl to Reagan-National flights
George Bush Intcntl to Dulles Intl flights
Denver to Dulles Intl flights
Denver to Reagan-National flights
Newark to Dulles Intl flights
Austin to Dulles Intl flights
Charlotte to Dulles Intl flights
Fort Lauderdale to Dulles Intl flights
LaGuardia to Reagan-National flights
George Bush Intcntl to Reagan-National flights
San Diego to Dulles Intl flights
Miami to Dulles Intl flights
Tampa to Reagan-National flights
Tampa to Dulles Intl flights
Fort Lauderdale to Reagan-National flights
Newark to Reagan-National flights
John F Kennedy Intl to Dulles Intl flights
Minneapolis to Reagan-National flights
Jacksonville to Dulles Intl flights
Ontario to Reagan-National flights
Salt Lake City to Reagan-National flights
Minneapolis to Dulles Intl flights
Sky Harbor Intl to Dulles Intl flights
LaGuardia to Dulles Intl flights
Detroit to Reagan-National flights
Detroit to Dulles Intl flights
Salt Lake City to Dulles Intl flights
Ontario to Dulles Intl flights
Portland to Dulles Intl flights
Nashville to Reagan-National flights
Midway to Dulles Intl 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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$98Average$202FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$129Average$392FlexibilityNo cancel feeOn-time71%
Spirit AirlinesCheapest$132Average$244FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$158Average$389FlexibilityNo cancel feeOn-time69%
DeltaCheapest$177Average$341FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$190Average$353FlexibilityNo cancel feeOn-time63%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines