District of Columbia

$68+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — IAD
Jan 17 — Jan 241
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Cheap 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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. 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 12/246:35 pmSTL - IAD
1 stop4h 40mUnited Airlines
Wed 12/318:35 amIAD - STL
Nonstop2h 33mUnited Airlines
Deal found 12/16$237
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Thu 12/2510:05 amMCI - IAD
1 stop6h 25mUnited Airlines
Wed 12/3112:57 pmIAD - MCI
Nonstop3h 03mUnited Airlines
Deal found 12/16$241
This Delta deal was found by Cheapflights users on 12/16. 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.
Wed 12/247:00 amSTL - DCA
1 stop7h 05mDelta
Wed 12/3112:32 pmDCA - STL
1 stop5h 28mDelta
Deal found 12/16$247
This Delta deal was found by Cheapflights users on 12/16. 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.
Wed 12/244:12 pmMCI - IAD
1 stop5h 40mDelta
Thu 1/16:00 amIAD - MCI
1 stop6h 32mDelta
Deal found 12/16$251
This Trip.com deal was found by Cheapflights users on 12/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:42 amSTL - IAD
1 stop6h 34mFrontier
Mon 12/299:58 pmIAD - STL
1 stop25h 35mFrontier
Deal found 12/16$258
This Booking.com deal was found by Cheapflights users on 12/16. 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 12/199:07 amSTL - IAD
1 stop22h 44mFrontier
Tue 12/309:58 pmIAD - STL
1 stop25h 35mFrontier
Deal found 12/16$261
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:34 pmCOU - IAD
1 stop4h 41mUnited Airlines
Sat 1/38:15 amIAD - COU
1 stop7h 20mUnited Airlines
Deal found 12/15$268
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:34 pmCOU - DCA
1 stop4h 25mUnited Airlines
Sat 1/37:30 amDCA - COU
1 stop8h 05mUnited Airlines
Deal found 12/15$268
This Southwest deal was found by Cheapflights users on 12/17. 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 12/314:10 pmMCI - DCA
1 stop4h 45mSouthwest
Wed 1/711:55 amDCA - MCI
1 stop5h 20mSouthwest
Deal found 12/17$270
This Priceline deal was found by Cheapflights users on 12/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1810:42 amSTL - IAD
1 stop6h 34mFrontier
Sun 1/116:00 amIAD - STL
1 stop9h 48mFrontier
Deal found 12/17$277
This American Airlines deal was found by Cheapflights users on 12/17. 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 12/316:15 amMCI - DCA
Nonstop2h 31mAmerican Airlines
Wed 1/77:55 amDCA - MCI
Nonstop3h 18mAmerican Airlines
Deal found 12/17$279
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Thu 12/2510:42 amSTL - IAD
1 stop6h 34mFrontier
Tue 12/309:58 pmIAD - STL
1 stop25h 35mFrontier
Deal found 12/16$283

Find 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 December 18, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$163
(Kiwi.com)

One-way from

$68
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$335

Good round-trip deal

$314 or less

Good one-way deal

$184 or less
Provider with most accurate pricing for Lambert-St Louis-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Washington, D.C. (WAS) flights.
From Missouri to District of Columbia
One-way flight from Missouri to District of Columbia
Highest demand for flights based on searches. 10% potential increase in price ($33 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from Missouri to District of Columbia.
Price to beat on a one-way flight from Missouri to District of Columbia.

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 December 18, 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 1/7

5:59 pm-9:10 pm

Nonstop2h 11m

Washington, D.C. Reagan-National

Sat 1/10

7:40 am-9:24 am

Nonstop2h 44m

$235

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Sat 1/17

10:25 am-3:30 pm

1 stop4h 05m

Washington, D.C. Reagan-National

Sun 1/18

12:00 pm-1:35 pm

Nonstop2h 35m

$237

St. LouisWashington, D.C.

STL - IAD

STLIAD

Lambert-St Louis

Sat 1/17

6:30 am-11:46 am

1 stop4h 16m

Washington, D.C. Dulles Intl

Sat 1/17

5:38 pm-11:59 pm

1 stop7h 21m

$242

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Mon 1/5

10:10 pm-1:02 pm

2 stops13h 52m

Washington, D.C. Reagan-National

Fri 1/9

6:00 pm-10:02 am

1 stop17h 02m

$244

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Sun 1/25

5:42 pm-9:59 pm

2 stops27h 17m

Washington, D.C. Reagan-National

Fri 1/30

6:00 pm-2:46 pm

1 stop21h 46m

$247

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Sat 2/14

10:24 am-4:05 pm

1 stop4h 41m

Washington, D.C. Dulles Intl

Wed 2/18

8:15 am-2:24 pm

1 stop7h 09m

$251

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Wed 1/14

11:17 am-5:35 pm

1 stop5h 18m

Washington, D.C. Dulles Intl

Wed 1/21

5:17 pm-9:37 pm

1 stop5h 20m

$258

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Thu 4/9

11:25 am-7:23 pm

1 stop6h 58m

Washington, D.C. Dulles Intl

Wed 4/15

6:15 am-10:29 am

1 stop5h 14m

$258

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Sat 1/10

3:24 pm-9:17 pm

1 stop4h 53m

Washington, D.C. Dulles Intl

Sat 1/17

1:05 pm-3:10 pm

Nonstop3h 05m

$260

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Sat 1/17

12:35 pm-4:09 pm

Nonstop2h 34m

Washington, D.C. Dulles Intl

Mon 1/19

1:05 pm-3:10 pm

Nonstop3h 05m

$262

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

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, December is the cheapest month in which you can book a flight from Missouri to District of Columbia (average of $98). Flying from Missouri to District of Columbia in June is currently the most expensive (average of $198). 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 December 18, 2025.

A simple way to save on the total cost of your ticket is to fly from Missouri to District of Columbia in the evening. If you’re flexible enough to do this you can expect to save up to 49% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Missouri to District of Columbia?

Use this chart to determine the cheapest time to fly round-trip from Missouri to District of Columbia. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Missouri to District of Columbia flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 18, 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.

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 11m. 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.

  • 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, December is the cheapest month in which you can book a flight from Missouri to District of Columbia (average of $98). Flying from Missouri to District of Columbia in June is currently the most expensive (average of $198). 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.

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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$102Average$202FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$107Average$287FlexibilityNo cancel feeOn-time65%
DeltaCheapest$124Average$325FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$149Average$408FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$197Average$361FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$212Average$438FlexibilityNo cancel feeOn-time69%

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