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$51+ Cheap flights from Washington, D.C. (WAS) to Missouri

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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — STL
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Missouri

Keep the following information in mind while searching for Washington, D.C. to Missouri flight deals. Data was last updated February 20, 2025.

Round-trip from

$110
(Frontier)

One-way from

$55
(Cheapflightsfares)

Good round-trip deal

$282 or less

Good one-way deal

$153 or less
From Washington, D.C. (WAS) to Missouri
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One-way flight from Washington, D.C. (WAS) to Missouri
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Price to beat on a round-trip flight from Washington, D.C. (WAS) to Missouri.
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Price to beat on a one-way flight from Washington, D.C. (WAS) to Missouri.
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Find flight deals from Washington, D.C. to Missouri

Cheapest flights from Washington, D.C. to Missouri
Explore the most affordable flight options available from Washington, D.C. to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Frontier deal was found by Cheapflights users on 2/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/33:53 pmBWI - STL
1 stop8h 53mFrontier
Mon 4/74:57 pmSTL - BWI
1 stop21h 00mFrontier
Deal found 2/19$110
This FlightHub deal was found by Cheapflights users on 2/20. 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.
Mon 3/38:45 amBWI - MCI
1 stop7h 18mSpirit Airlines
Thu 3/610:20 amMCI - BWI
1 stop9h 36mSpirit Airlines
Deal found 2/20$122
This Booking.com deal was found by Cheapflights users on 2/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/136:30 amBWI - STL
1 stop13h 02mMultiple Airlines
Thu 5/154:07 pmSTL - BWI
1 stop24h 15mMultiple Airlines
Deal found 2/19$154
This FlightHub deal was found by Cheapflights users on 2/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/216:33 pmBWI - STL
1 stop23h 43mSpirit Airlines
Thu 4/246:11 pmSTL - BWI
1 stop5h 45mSpirit Airlines
Deal found 2/19$165
This Booking.com deal was found by Cheapflights users on 2/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/412:17 pmBWI - MCI
1 stop8h 20mMultiple Airlines
Mon 4/74:21 pmMCI - BWI
1 stop7h 03mMultiple Airlines
Deal found 2/20$172
This Booking.com deal was found by Cheapflights users on 2/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/412:17 pmBWI - MCI
1 stop8h 20mFrontier
Sun 4/68:35 pmMCI - BWI
1 stop13h 52mFrontier
Deal found 2/20$174
This Southwest deal was found by Cheapflights users on 2/18. 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.
Mon 4/76:05 amBWI - STL
Nonstop2h 25mSouthwest
Thu 4/108:05 amSTL - BWI
1 stop3h 20mSouthwest
Deal found 2/18$193
This American Airlines deal was found by Cheapflights users on 2/18. 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 4/216:14 pmBWI - STL
1 stop6h 19mAmerican Airlines
Sat 4/265:45 amSTL - BWI
1 stop4h 29mAmerican Airlines
Deal found 2/18$198
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Sat 4/264:21 pmBWI - SGF
1 stop6h 54mUnited Airlines
Wed 4/303:01 pmSGF - BWI
1 stop6h 49mUnited Airlines
Deal found 2/19$199
This American Airlines deal was found by Cheapflights users on 2/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/265:55 pmBWI - SGF
1 stop5h 08mAmerican Airlines
Wed 4/302:19 pmSGF - BWI
2 stops7h 00mAmerican Airlines
Deal found 2/19$204
This CheapOair deal was found by Cheapflights users on 2/20. 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.
Sat 3/297:00 amDCA - MCI
1 stop13h 35mFrontier
Sun 3/308:35 pmMCI - DCA
1 stop14h 28mFrontier
Deal found 2/20$220
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/83:30 pmIAD - SGF
1 stop7h 26mUnited Airlines
Mon 4/146:20 pmSGF - IAD
1 stop4h 39mUnited Airlines
Deal found 2/20$225

Find flights from Washington, D.C. to Missouri within your budget

Customize your flight search to find flights from Washington, D.C. to Missouri 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 February 20, 2025.

Fly from

Washington, D.C.

Fly to

Missouri

Route

Depart

Return

Price

BaltimoreSt. Louis

BWI - STL

BWISTL

Baltimore/Washington

Thu 4/3

3:53 pm-11:46 pm

1 stop8h 53m

Lambert-St Louis

Mon 4/7

4:57 pm-2:57 pm

1 stop21h 00m

$110

BaltimoreKansas City

BWI - MCI

BWIMCI

Baltimore/Washington

Mon 3/3

8:45 am-3:03 pm

1 stop7h 18m

Kansas City

Thu 3/6

10:20 am-8:56 pm

1 stop9h 36m

$122

BaltimoreSt. Louis

BWI - STL

BWISTL

Baltimore/Washington

Tue 5/13

6:30 am-6:32 pm

1 stop13h 02m

Lambert-St Louis

Thu 5/15

4:07 pm-5:22 pm

1 stop24h 15m

$154

BaltimoreSt. Louis

BWI - STL

BWISTL

Baltimore/Washington

Mon 4/21

6:33 pm-5:16 pm

1 stop23h 43m

Lambert-St Louis

Thu 4/24

6:11 pm-12:56 am

1 stop5h 45m

$165

BaltimoreKansas City

BWI - MCI

BWIMCI

Baltimore/Washington

Fri 4/4

12:17 pm-7:37 pm

1 stop8h 20m

Kansas City

Mon 4/7

4:21 pm-12:24 am

1 stop7h 03m

$172

BaltimoreKansas City

BWI - MCI

BWIMCI

Baltimore/Washington

Fri 4/4

12:17 pm-7:37 pm

1 stop8h 20m

Kansas City

Sun 4/6

8:35 pm-11:27 am

1 stop13h 52m

$174

BaltimoreSt. Louis

BWI - STL

BWISTL

Baltimore/Washington

Mon 4/7

5:00 am-8:30 am

1 stop4h 30m

Lambert-St Louis

Wed 4/9

10:17 am-5:44 pm

1 stop6h 27m

$178

BaltimoreSt. Louis

BWI - STL

BWISTL

Baltimore/Washington

Mon 4/7

6:05 am-7:30 am

Nonstop2h 25m

Lambert-St Louis

Thu 4/10

8:05 am-12:25 pm

1 stop3h 20m

$193

BaltimoreSpringfield

BWI - SGF

BWISGF

Baltimore/Washington

Sat 4/26

4:21 pm-10:15 pm

1 stop6h 54m

Springfield-Branson

Wed 4/30

3:01 pm-10:50 pm

1 stop6h 49m

$199

BaltimoreSpringfield

BWI - SGF

BWISGF

Baltimore/Washington

Sat 4/26

5:55 pm-10:03 pm

1 stop5h 08m

Springfield-Branson

Wed 4/30

2:19 pm-10:19 pm

2 stops7h 00m

$204

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 60 results
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Best time to book a flight from Washington, D.C. to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri from Washington, D.C. 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 Washington, D.C. to Missouri

Get recent, data-driven insights about flights from Washington, D.C. to Missouri including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Missouri (average of $311). Flying from Washington, D.C. to Missouri in March is currently the most expensive (average of $356). 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 WAS to MO?

Find hourly flight availability from Washington, D.C. to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

When flying from Washington, D.C. to Missouri, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Washington, D.C. to Missouri

Explore weekly flight availability from Washington, D.C. to Missouri. 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 February 20, 2025.

The most flights from WAS to USMO are scheduled on a Monday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).

Rainfall in Missouri by month

Plan your trip to Missouri by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Missouri ranges from 1.1 - 5.2 inches per month. May is typically the wettest month, when rainfall can reach 5.2 in. January is typically the driest time to visit Missouri when rainfall is around 1.1 in.

Temperature in Missouri by month

Plan your trip to Missouri by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Missouri, 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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing Missouri

Get insights into the airlines that provide service to Missouri. 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 Missouri. Reviews last updated February 20, 2025.
See what other customers who have flown with Southwest, Alaska Airlines and Delta from Washington, D.C. to Missouri have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,697 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,219 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,765 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Allegiant Air
7.3
Good
765 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Missouri. 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 Washington, D.C. to Missouri one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. to Missouri are Frontier ($55), Spirit Airlines ($55), and Southwest ($94).

  • What are the most popular routes from Washington, D.C. to Missouri?

    The most popular flight routes from Washington, D.C. to Missouri are Washington, D.C. Dulles Intl - Lambert-St Louis, Washington, D.C. Dulles Intl - Kansas City and Baltimore/Washington - Lambert-St Louis.

  • What are the most reliable airlines from Washington, D.C. to Missouri?

    No one likes to see their flight delayed. When booking a flight from Washington, D.C. to Missouri consider choosing GoJet (77%), Avianca (77%) or Copa Airlines (77%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Washington, D.C. to Missouri?

    Looking at all options, your cheapest flight can be booked for $216. While the most popular route (Washington, D.C. Dulles Intl - Lambert-St Louis) can be booked for $141 on average our data indicates $389 when flying from Washington, D.C. to Missouri.

  • Can I find deals for flights from Washington, D.C. to Missouri that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Missouri flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Missouri?

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

  • Can I find deals for business class flights from Washington, D.C. to Missouri?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Missouri 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 Washington, D.C. to Missouri?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Missouri (average of $311). Flying from Washington, D.C. to Missouri in March is currently the most expensive (average of $356). 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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Alternative routes for Washington, D.C. to Missouri

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Washington, D.C. to Missouri

Discover the top 6 airlines that operate flights from Washington, D.C. to Missouri. 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$98Average$247FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$128Average$221FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$158Average$436FlexibilityNo cancel feeOn-time69%
DeltaCheapest$175Average$373FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$183Average$400FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$219Average$373FlexibilityNo cancel feeOn-time63%
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