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District of Columbia

$66+ Cheap flights from Missouri to District of Columbia

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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
STL — IAD
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Missouri to District of Columbia

Keep the following information in mind while searching for Missouri to District of Columbia flight deals. Data was last updated September 15, 2025.

Round-trip from

$186
(Frontier)

One-way from

$66
(American Airlines)

Popular in

March

Cheapest in

August

Average price

$345

Good round-trip deal

$253 or less

Good one-way deal

$137 or less
From Missouri to District of Columbia
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One-way flight from Missouri to District of Columbia
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Highest demand for flights based on searches. 5% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Missouri to District of Columbia.
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Price to beat on a one-way flight from Missouri to District of Columbia.
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Find flight deals from Missouri to District of Columbia

Cheapest flights from Missouri to District of Columbia
Explore the most affordable flight options available from Missouri to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Frontier deal was found by Cheapflights users on 9/13. 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.
Fri 10/1011:32 amSTL - IAD
1 stop10h 57mFrontier
Sat 10/114:22 pmIAD - STL
2 stops18h 00mFrontier
Deal found 9/13$186
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:45 pmSTL - DCA
1 stop15h 16mFrontier
Sat 11/156:00 pmDCA - STL
1 stop16h 07mFrontier
Deal found 9/14$188
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:26 pmSTL - IAD
1 stop4h 53mFrontier
Sun 12/76:00 amIAD - STL
1 stop12h 31mFrontier
Deal found 9/13$189
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:45 pmSTL - DCA
1 stop15h 16mFrontier
Thu 11/136:00 pmDCA - STL
1 stop16h 07mFrontier
Deal found 9/12$190
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/147:45 pmSTL - DCA
1 stop15h 16mFrontier
Tue 11/186:00 pmDCA - STL
1 stop16h 07mFrontier
Deal found 9/13$192
This Frontier deal was found by Cheapflights users on 9/12. 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.
Thu 11/1311:07 amSTL - IAD
1 stop4h 27mFrontier
Fri 11/146:00 amIAD - STL
1 stop11h 01mFrontier
Deal found 9/12$192
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:45 pmSTL - DCA
1 stop15h 19mFrontier
Thu 11/136:00 pmDCA - STL
1 stop16h 07mFrontier
Deal found 9/12$193
This Booking.com deal was found by Cheapflights users on 9/15. 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.
Fri 9/267:55 pmSTL - DCA
1 stop25h 04mFrontier
Mon 9/291:00 pmDCA - STL
1 stop21h 06mFrontier
Deal found 9/15$196
This Delta deal was found by Cheapflights users on 9/12. 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 11/106:09 pmSTL - DCA
1 stop3h 55mDelta
Wed 11/198:59 amDCA - STL
1 stop5h 01mDelta
Deal found 9/12$197
This Delta deal was found by Cheapflights users on 9/12. 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 11/106:09 pmSTL - IAD
1 stop3h 54mDelta
Tue 11/1812:36 pmIAD - STL
1 stop4h 31mDelta
Deal found 9/12$197
This Booking.com deal was found by Cheapflights users on 9/13. 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.
Mon 9/294:00 pmSTL - IAD
1 stop7h 15mFrontier
Sat 10/47:14 pmIAD - STL
1 stop18h 48mFrontier
Deal found 9/13$199
This Booking.com deal was found by Cheapflights users on 9/13. 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.
Fri 9/191:57 pmSTL - IAD
1 stop27h 27mFrontier
Mon 9/226:10 amIAD - STL
1 stop9h 54mFrontier
Deal found 9/13$200

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to District of Columbia 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 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Missouri to District of Columbia that are best for you.

Fly from

Missouri

Fly to

District of Columbia

Route

Depart

Return

Price

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Wed 11/12

7:45 pm-12:04 pm

1 stop15h 19m

Washington, D.C. Reagan-National

Mon 11/17

6:00 pm-9:07 am

1 stop16h 07m

$193

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Tue 11/11

7:05 am-12:41 pm

1 stop4h 36m

Washington, D.C. Reagan-National

Wed 11/19

6:06 am-9:46 am

1 stop4h 40m

$197

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Sat 11/8

8:43 am-11:55 am

Nonstop2h 12m

Washington, D.C. Reagan-National

Tue 11/11

7:50 am-9:20 am

Nonstop2h 30m

$197

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Mon 11/10

6:09 pm-11:04 pm

1 stop3h 55m

Washington, D.C. Reagan-National

Sun 11/16

6:06 am-9:46 am

1 stop4h 40m

$197

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Mon 11/10

6:09 pm-11:04 pm

1 stop3h 55m

Washington, D.C. Reagan-National

Sat 11/15

8:00 am-12:26 pm

1 stop5h 26m

$197

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Tue 10/14

6:14 pm-10:59 pm

1 stop3h 45m

Washington, D.C. Reagan-National

Wed 10/15

8:59 am-12:35 pm

1 stop4h 36m

$197

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Fri 11/14

6:09 pm-11:04 pm

1 stop3h 55m

Washington, D.C. Reagan-National

Wed 11/19

8:59 am-1:00 pm

1 stop5h 01m

$197

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Fri 10/31

5:15 pm-11:41 pm

1 stop5h 26m

Washington, D.C. Reagan-National

Sun 11/2

7:00 am-10:31 am

1 stop4h 31m

$197

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Thu 11/6

6:00 am-12:45 pm

1 stop5h 45m

Washington, D.C. Reagan-National

Mon 11/10

6:18 pm-11:40 pm

1 stop6h 22m

$197

St. LouisWashington, D.C.

STL - IAD

STLIAD

Lambert-St Louis

Sat 11/15

11:44 am-5:02 pm

1 stop4h 18m

Washington, D.C. Dulles Intl

Mon 11/17

7:21 pm-11:40 pm

1 stop5h 19m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results
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Best time to book a flight from Missouri to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia 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.

Cheapflights Insights

Everything you need to know about your flight from Missouri to District of Columbia

What is the cheapest month to book a flight from Missouri to District of Columbia?

Currently, August is the cheapest month in which you can book a flight from Missouri to District of Columbia (average of $292). Flying from Missouri to District of Columbia in April is currently the most expensive (average of $337). 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 DC?

Find hourly flight availability from Missouri to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

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

Weekly flight availability from Missouri to District of Columbia

Explore weekly flight availability from Missouri to District of Columbia. 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 September 15, 2025.

The most flights from USMO to USDC are scheduled on a Monday (7 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (6 on average).

How much does it cost to fly round-trip from Missouri to District of Columbia?

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. 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 District of Columbia. Reviews last updated September 15, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from Missouri to District of Columbia have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,954 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,929 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,172 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

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

  • How long is the flight from Missouri to District of Columbia?

    Departing from Missouri to District of Columbia will take you 2h 12m. The distance from Missouri to District of Columbia is about 717 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Missouri to District of Columbia one-way?

    The cheapest airlines for a one-way flight from Missouri to District of Columbia are American Airlines ($66), Southwest ($77), and United Airlines ($93).

  • Can I find deals for flights from Missouri to District of Columbia that include hotel bookings?

    Yes. In addition to deals on Missouri to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to District of Columbia?

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

  • Can I find deals for business class flights from Missouri to District of Columbia?

    Yes. Cheapflights offers flight deals from Missouri to District of Columbia 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 District of Columbia?

    Currently, August is the cheapest month in which you can book a flight from Missouri to District of Columbia (average of $292). Flying from Missouri to District of Columbia in April is currently the most expensive (average of $337). 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 District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Missouri to District of Columbia

Discover the top 6 airlines that operate flights from Missouri to District of Columbia. 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 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$111Average$200FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$129Average$397FlexibilityNo cancel feeOn-time71%
Spirit AirlinesCheapest$138Average$308FlexibilityNo cancel feeOn-time65%
DeltaCheapest$168Average$319FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$195Average$362FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$211Average$419FlexibilityNo cancel feeOn-time69%

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