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District of Columbia

$78+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BWI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$204
(Southwest)

One-way from

$79
(American Airlines)

Popular in

March

Cheapest in

November

Average price

$365

Good round-trip deal

$240 or less

Good one-way deal

$138 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. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/11. 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 7/46:00 amSTL - DCA
Nonstop2h 05mAmerican Airlines
Sat 7/122:58 pmDCA - STL
Nonstop2h 19mAmerican Airlines
Deal found 6/11$204
This Southwest deal was found by Cheapflights users on 6/10. 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 7/316:10 amSTL - DCA
2 stops5h 25mSouthwest
Mon 8/48:00 amDCA - STL
Nonstop2h 10mSouthwest
Deal found 6/10$208
This Delta deal was found by Cheapflights users on 6/10. 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 11/57:20 amSTL - IAD
1 stop5h 37mDelta
Sat 11/86:10 amIAD - STL
1 stop4h 25mDelta
Deal found 6/10$208
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 8/15:30 pmSTL - DCA
1 stop4h 12mUnited Airlines
Thu 8/77:25 amDCA - STL
1 stop6h 02mUnited Airlines
Deal found 6/11$213
This United Airlines deal was found by Cheapflights users on 6/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/249:17 amSTL - IAD
1 stop5h 35mUnited Airlines
Fri 9/266:30 amIAD - STL
1 stop5h 19mUnited Airlines
Deal found 6/12$213
This Delta deal was found by Cheapflights users on 6/11. 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 10/35:40 pmSTL - DCA
1 stop4h 39mDelta
Tue 10/77:00 amDCA - STL
1 stop6h 25mDelta
Deal found 6/11$223
This Frontier deal was found by Cheapflights users on 6/11. 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 7/122:52 pmSTL - IAD
1 stop7h 27mFrontier
Sat 7/196:10 amIAD - STL
1 stop8h 49mFrontier
Deal found 6/11$226
This United Airlines deal was found by Cheapflights users on 6/10. 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 8/510:00 amMCI - DCA
1 stop6h 01mUnited Airlines
Sat 8/96:25 amDCA - MCI
1 stop5h 04mUnited Airlines
Deal found 6/10$234
This Delta deal was found by Cheapflights users on 6/10. 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 8/55:45 amMCI - IAD
1 stop5h 05mDelta
Sat 8/96:00 amIAD - MCI
1 stop4h 43mDelta
Deal found 6/10$234
This United Airlines deal was found by Cheapflights users on 6/10. 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 9/27:30 amMCI - IAD
1 stop7h 22mUnited Airlines
Thu 9/41:00 pmIAD - MCI
Nonstop2h 48mUnited Airlines
Deal found 6/10$237
This American Airlines deal was found by Cheapflights users on 6/10. 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 8/306:00 amMCI - DCA
Nonstop2h 29mAmerican Airlines
Sat 9/276:00 amDCA - MCI
1 stop7h 26mAmerican Airlines
Deal found 6/10$241
This Southwest deal was found by Cheapflights users on 6/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/512:10 pmMCI - DCA
2 stops5h 55mSouthwest
Mon 12/84:55 pmDCA - MCI
Nonstop2h 45mSouthwest
Deal found 6/12$243

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 June 12, 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

Mon 6/30

7:20 pm-10:20 pm

Nonstop2h 00m

Washington, D.C. Reagan-National

Thu 7/3

12:00 pm-1:10 pm

Nonstop2h 10m

$204

St. LouisWashington, D.C.

STL - IAD

STLIAD

Lambert-St Louis

Wed 11/5

7:20 am-1:57 pm

1 stop5h 37m

Washington, D.C. Dulles Intl

Sat 11/8

6:10 am-9:35 am

1 stop4h 25m

$208

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Fri 8/1

5:30 pm-10:42 pm

1 stop4h 12m

Washington, D.C. Reagan-National

Thu 8/7

7:25 am-12:27 pm

1 stop6h 02m

$213

St. LouisWashington, D.C.

STL - IAD

STLIAD

Lambert-St Louis

Wed 9/24

9:17 am-3:52 pm

1 stop5h 35m

Washington, D.C. Dulles Intl

Fri 9/26

6:30 am-10:49 am

1 stop5h 19m

$213

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Sat 8/30

6:02 am-9:03 am

Nonstop2h 01m

Washington, D.C. Reagan-National

Mon 9/1

7:51 pm-9:02 pm

Nonstop2h 11m

$214

St. LouisWashington, D.C.

STL - IAD

STLIAD

Lambert-St Louis

Sat 7/12

2:52 pm-11:19 pm

1 stop7h 27m

Washington, D.C. Dulles Intl

Sat 7/19

6:10 am-1:59 pm

1 stop8h 49m

$226

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Thu 8/21

5:11 pm-11:46 pm

1 stop5h 35m

Washington, D.C. Reagan-National

Sun 8/24

6:00 am-9:32 am

1 stop4h 32m

$233

Kansas CityWashington, D.C.

MCI - DCA

MCIDCA

Kansas City

Tue 8/5

10:00 am-5:01 pm

1 stop6h 01m

Washington, D.C. Reagan-National

Sat 8/9

6:25 am-10:29 am

1 stop5h 04m

$234

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Tue 8/5

5:45 am-11:50 am

1 stop5h 05m

Washington, D.C. Dulles Intl

Sat 8/9

6:00 am-9:43 am

1 stop4h 43m

$234

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Tue 9/2

7:30 am-3:52 pm

1 stop7h 22m

Washington, D.C. Dulles Intl

Thu 9/4

1:00 pm-2:48 pm

Nonstop2h 48m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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 June 12, 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.

Rainfall in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in District of Columbia 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 District of Columbia when rainfall is around 2.6 in.

Temperature in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to District of Columbia, 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 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 June 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Missouri to District of Columbia by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Allegiant Air
7.3
Good
725 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 24 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 American Airlines ($79), United Airlines ($79), and Southwest ($89).

  • 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.

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$111Average$198FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$129Average$402FlexibilityNo cancel feeOn-time71%
Spirit AirlinesCheapest$138Average$310FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$163Average$407FlexibilityNo cancel feeOn-time69%
DeltaCheapest$176Average$313FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$197Average$356FlexibilityNo cancel feeOn-time63%

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