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District of Columbia

$99+ 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BWI
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$208
(Frontier)

One-way from

$99
(Frontier)

Popular in

March

Cheapest in

August

Average price

$360

Good round-trip deal

$212 or less

Good one-way deal

$125 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. 6% potential increase in price ($22 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 July 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 July 31, 2025.

This Frontier deal was found by Cheapflights users on 7/30. 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.
Sat 8/22:52 pmSTL - IAD
1 stop7h 27mFrontier
Sat 8/96:10 amIAD - STL
1 stop8h 49mFrontier
Deal found 7/30$198
This Southwest deal was found by Cheapflights users on 7/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/287:25 pmSTL - DCA
Nonstop2h 05mSouthwest
Thu 9/46:50 pmDCA - STL
Nonstop2h 10mSouthwest
Deal found 7/31$217
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Sun 8/246:00 amMCI - DCA
Nonstop2h 29mAmerican Airlines
Sat 8/301:55 pmDCA - MCI
Nonstop2h 48mAmerican Airlines
Deal found 7/30$217
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Wed 10/155:47 pmMCI - IAD
Nonstop2h 38mUnited Airlines
Sat 10/181:00 pmIAD - MCI
Nonstop2h 48mUnited Airlines
Deal found 7/30$217
This Frontier deal was found by Cheapflights users on 7/29. 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.
Mon 8/1111:20 amMCI - IAD
1 stop11h 59mFrontier
Mon 8/186:10 amIAD - MCI
1 stop5h 11mFrontier
Deal found 7/29$218
This FlightHub deal was found by Cheapflights users on 7/30. 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 8/277:54 pmSTL - DCA
1 stop15h 17mFrontier
Wed 9/31:00 pmDCA - STL
1 stop21h 06mFrontier
Deal found 7/30$225
This Southwest deal was found by Cheapflights users on 7/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/207:35 amMCI - DCA
Nonstop2h 25mSouthwest
Wed 8/202:10 pmDCA - MCI
1 stop7h 30mSouthwest
Deal found 7/29$227
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Wed 8/276:35 amSTL - IAD
1 stop4h 20mUnited Airlines
Sat 9/68:40 amIAD - STL
Nonstop2h 22mUnited Airlines
Deal found 7/31$227
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Wed 11/127:00 amSTL - DCA
1 stop4h 34mUnited Airlines
Wed 11/125:00 pmDCA - STL
1 stop6h 45mUnited Airlines
Deal found 7/30$232
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 8/236:02 amSTL - DCA
Nonstop2h 01mAmerican Airlines
Mon 8/252:56 pmDCA - STL
Nonstop2h 18mAmerican Airlines
Deal found 7/30$233
This FlightHub deal was found by Cheapflights users on 7/29. 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.
Mon 8/118:01 pmMCI - DCA
1 stop15h 03mFrontier
Wed 8/137:00 amDCA - MCI
1 stop12h 23mFrontier
Deal found 7/29$235
This Delta deal was found by Cheapflights users on 7/30. 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.
Tue 8/266:40 amSTL - DCA
1 stop3h 54mDelta
Tue 8/266:20 pmDCA - STL
1 stop4h 42mDelta
Deal found 7/30$237

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 July 31, 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 - IAD

STLIAD

Lambert-St Louis

Sat 8/30

3:02 pm-11:00 pm

1 stop6h 58m

Washington, D.C. Dulles Intl

Mon 9/1

6:10 am-12:56 pm

1 stop7h 46m

$208

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Thu 8/28

7:25 pm-10:30 pm

Nonstop2h 05m

Washington, D.C. Reagan-National

Thu 9/4

6:50 pm-8:00 pm

Nonstop2h 10m

$217

Kansas CityWashington, D.C.

MCI - DCA

MCIDCA

Kansas City

Sun 8/24

6:00 am-9:29 am

Nonstop2h 29m

Washington, D.C. Reagan-National

Sat 8/30

1:55 pm-3:43 pm

Nonstop2h 48m

$217

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Wed 10/15

5:47 pm-9:25 pm

Nonstop2h 38m

Washington, D.C. Dulles Intl

Sat 10/18

1:00 pm-2:48 pm

Nonstop2h 48m

$217

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Mon 8/11

11:20 am-12:19 am

1 stop11h 59m

Washington, D.C. Dulles Intl

Mon 8/18

6:10 am-10:21 am

1 stop5h 11m

$218

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Wed 8/27

7:54 pm-12:11 pm

1 stop15h 17m

Washington, D.C. Reagan-National

Wed 9/3

1:00 pm-9:06 am

1 stop21h 06m

$225

Kansas CityWashington, D.C.

MCI - DCA

MCIDCA

Kansas City

Wed 8/20

7:35 am-11:00 am

Nonstop2h 25m

Washington, D.C. Reagan-National

Wed 8/20

2:10 pm-8:40 pm

1 stop7h 30m

$227

St. LouisWashington, D.C.

STL - IAD

STLIAD

Lambert-St Louis

Wed 8/27

6:35 am-11:55 am

1 stop4h 20m

Washington, D.C. Dulles Intl

Sat 9/6

8:40 am-10:02 am

Nonstop2h 22m

$227

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Wed 11/12

7:00 am-12:34 pm

1 stop4h 34m

Washington, D.C. Reagan-National

Wed 11/12

5:00 pm-10:45 pm

1 stop6h 45m

$232

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Sat 8/23

6:02 am-9:03 am

Nonstop2h 01m

Washington, D.C. Reagan-National

Mon 8/25

2:56 pm-4:14 pm

Nonstop2h 18m

$233

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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 $241). Flying from Missouri to District of Columbia in March is currently the most expensive (average of $290). 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 July 31, 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.

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 July 31, 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
4,246 reviews

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Southwest
8.0
Very good
4,246 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Delta
8.0
Very good
7,981 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
United Airlines
7.4
Good
8,900 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Allegiant Air
7.2
Good
702 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

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 popular is this Missouri to District of Columbia flight route?

    This flight path from Missouri to District of Columbia was viewed by 26 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • 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 Frontier ($99), Southwest ($109), and American Airlines ($109).

  • 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 $241). Flying from Missouri to District of Columbia in March is currently the most expensive (average of $290). 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

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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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$111Average$205FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$129Average$405FlexibilityNo cancel feeOn-time71%
Spirit AirlinesCheapest$138Average$308FlexibilityNo cancel feeOn-time65%
DeltaCheapest$168Average$319FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$190Average$355FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$209Average$408FlexibilityNo cancel feeOn-time69%

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