How long is the flight from Missouri to Washington, D.C.?

Airlines like Southwest, United Airlines, and Delta fly from Missouri to Washington, D.C. in about 2h 10m. The time it takes to get you to your destination can typically vary by up to 3h 14m. Airlines will cover a distance of 694 mi. This flight may include one or multiple stops.

What are the cheapest airlines to fly from Missouri to Washington, D.C. one-way?

The cheapest airlines for a one-way flight from Missouri to Washington, D.C. are Frontier ($72), American Airlines ($115), and Delta ($125).

In terms of precipitation, rainfall in Washington, D.C. 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 Washington, D.C. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., 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).

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

When deciding which route to take from Missouri to Washington, D.C. consider Lambert-St Louis - Washington, D.C. Dulles Intl, Kansas City - Washington, D.C. Dulles Intl or Lambert-St Louis - Washington, D.C. Reagan-National as they are the most popular.

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

While on average a flight from Missouri to Washington, D.C. is generally $1,031, our data shows the cheapest flight currently is $185. When looking at the most popular route, (Lambert-St Louis - Washington, D.C. Dulles Intl), you can expect to pay $237 for that flight.

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

Consider Mesa Airlines (100%), Avianca (87%) or Copa Airlines (87%) when booking your flight. These represent the most reliable airlines when flying from Missouri to Washington, D.C..

What are the most popular airlines that fly from Missouri to Washington, D.C.?

When booking a flight from Missouri to Washington, D.C., you may want to consider flying on Southwest, American Airlines or United Airlines as they are the most popular for this route.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Missouri to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$50+ Cheap Flights from Missouri to Washington, D.C.

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Cheap flight deals from Missouri to Washington, D.C.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Missouri to Washington, D.C.
Explore the most affordable flight options available from Missouri to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 26, 2026.

Wed 10/216:35 pm -

1 stop4h 59m

Wed 10/2810:45 am -

1 stop7h 55m

Deal found 9/23

$115

Mon 10/266:35 pm -

1 stop4h 59m

Wed 10/285:40 am -

1 stop13h 00m

Deal found 9/24

$136

Wed 10/216:35 pm -

1 stop4h 59m

Thu 10/229:12 pm -

1 stop21h 28m

Deal found 9/23

$137

Mon 10/196:35 pm -

1 stop4h 59m

Thu 10/229:12 pm -

1 stop21h 28m

Deal found 9/23

$146

Fri 10/306:44 pm -

1 stop4h 49m

Sun 11/19:12 pm -

1 stop21h 28m

Deal found 9/23

$150

Fri 10/306:44 pm -

1 stop4h 49m

Mon 11/210:16 am -

1 stop8h 24m

Deal found 9/22

$152

Fri 10/236:35 pm -

1 stop21h 12m

Mon 10/266:24 am -

1 stop12h 16m

Deal found 9/21

$154

Wed 10/286:44 pm -

1 stop4h 49m

Fri 10/3010:16 am -

1 stop8h 24m

Deal found 9/24

$170

Mon 10/266:35 pm -

1 stop4h 59m

Fri 10/3010:16 am -

1 stop8h 24m

Deal found 9/24

$172

Fri 10/3012:59 pm -

1 stop18h 18m

Sun 11/19:52 pm -

1 stop13h 51m

Deal found 9/22

$222

Sat 10/1712:10 pm -

Nonstop2h 25m

Sat 10/2410:10 am -

Nonstop2h 45m

Deal found 9/23

$237

Thu 10/2910:15 am -

1 stop3h 55m

Mon 11/28:10 am -

Nonstop2h 55m

Deal found 9/22

$243

Best flights from Missouri to Washington, D.C.
Discover carefully curated flight deals from Missouri to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 26, 2026.

Thu 10/295:50 pm -

Nonstop2h 25m

Mon 11/28:10 am -

Nonstop2h 55m

Deal found 9/22

$237

Thu 10/298:00 am -

Nonstop2h 10m

Mon 11/23:37 pm -

1 stop7h 03m

Deal found 9/21

$247

Tue 12/1510:14 am -

1 stop5h 24m

Tue 1/57:00 am -

1 stop4h 48m

Deal found 9/25

$257

Wed 10/146:00 am -

1 stop5h 46m

Sat 10/176:00 am -

1 stop4h 58m

Deal found 9/21

$328

Thu 11/57:55 pm -

Nonstop1h 55m

Mon 11/96:10 am -

1 stop4h 55m

Deal found 9/22

$247

Mon 11/2310:20 am -

1 stop5h 13m

Thu 12/312:39 pm -

1 stop6h 34m

Deal found 9/25

$257

Sat 10/1712:10 pm -

Nonstop2h 25m

Sat 10/246:30 am -

1 stop4h 25m

Deal found 9/23

$247

Wed 10/2110:35 am -

1 stop7h 02m

Thu 10/226:59 am -

1 stop4h 52m

Deal found 9/23

$257

Thu 1/2112:45 pm -

Nonstop2h 26m

Mon 1/251:05 pm -

Nonstop2h 45m

Deal found 9/21

$283

Thu 10/293:55 pm -

Nonstop2h 00m

Mon 11/212:00 pm -

2 stops8h 10m

Deal found 9/21

$252

Wed 10/217:04 am -

1 stop7h 34m

Sat 10/245:36 pm -

1 stop4h 13m

Deal found 9/23

$257

Wed 11/116:26 pm -

1 stop4h 29m

Sat 11/1412:53 pm -

1 stop5h 59m

Deal found 9/25

$328

Thu 11/198:00 am -

Nonstop2h 10m

Mon 11/238:40 am -

Nonstop2h 32m

Deal found 9/23

$301

Mon 11/912:40 pm -

1 stop6h 25m

Wed 11/114:50 pm -

2 stops5h 40m

Deal found 9/24

$262

Tue 11/245:50 pm -

Nonstop2h 35m

Tue 12/16:00 pm -

Nonstop3h 05m

Deal found 9/22

$313

Sat 10/317:40 am -

2 stops5h 50m

Sat 11/74:00 pm -

1 stop6h 55m

Deal found 9/25

$262

Fri 12/256:30 am -

1 stop4h 07m

Thu 12/316:00 am -

1 stop4h 57m

Deal found 9/25

$293

Fri 10/237:50 pm -

Nonstop2h 05m

Mon 10/266:50 pm -

Nonstop2h 25m

Deal found 9/21

$266

Mon 1/115:40 pm -

1 stop5h 06m

Thu 1/141:00 pm -

1 stop5h 32m

Deal found 9/25

$294

Wed 10/146:24 pm -

1 stop4h 52m

Sat 10/175:48 pm -

1 stop5h 51m

Deal found 9/21

$403

Tue 12/153:15 pm -

1 stop5h 23m

Mon 1/115:24 pm -

1 stop7h 08m

Deal found 9/23

$337

Wed 10/2810:20 am -

1 stop3h 10m

Fri 10/306:50 pm -

Nonstop2h 25m

Deal found 9/24

$272

Tue 10/205:46 pm -

Nonstop2h 39m

Wed 10/215:58 pm -

Nonstop2h 48m

Deal found 9/24

$337

Sat 10/2412:11 pm -

1 stop7h 09m

Sat 10/317:21 am -

1 stop5h 45m

Deal found 9/22

$325

Thu 10/226:00 am -

1 stop5h 08m

Sun 10/258:40 am -

1 stop6h 55m

Deal found 9/23

$339

Thu 10/810:40 am -

1 stop6h 11m

Tue 10/1311:34 am -

2 stops10h 21m

Deal found 9/25

$464

Fri 10/307:40 am -

Nonstop2h 20m

Mon 11/29:15 pm -

1 stop4h 15m

Deal found 9/25

$289

Wed 12/305:51 pm -

1 stop4h 14m

Thu 12/316:00 am -

1 stop4h 57m

Deal found 9/25

$333

Sun 10/256:00 am -

1 stop4h 52m

Wed 10/288:40 am -

Nonstop2h 32m

Deal found 9/24

$344

Fri 10/234:45 pm -

1 stop5h 10m

Mon 10/266:50 pm -

1 stop5h 10m

Deal found 9/23

$303

Last-minute flights from Missouri to Washington, D.C.
Discover last-minute flight deals from Missouri to Washington, D.C.. Data last updated September 26, 2026 and is based on user searches.

Sat 10/1712:10 pm -

Nonstop2h 25m

Sat 10/2410:10 am -

Nonstop2h 45m

Deal found 9/23

$237

Mon 10/196:35 pm -

1 stop4h 59m

Thu 10/229:12 pm -

1 stop21h 28m

Deal found 9/23

$146

Wed 10/216:35 pm -

1 stop4h 59m

Wed 10/2810:45 am -

1 stop7h 55m

Deal found 9/23

$115

Wed 10/216:35 pm -

1 stop4h 59m

Thu 10/229:12 pm -

1 stop21h 28m

Deal found 9/23

$137

Fri 10/236:35 pm -

1 stop21h 12m

Mon 10/266:24 am -

1 stop12h 16m

Deal found 9/21

$154

Mon 10/266:35 pm -

1 stop4h 59m

Wed 10/285:40 am -

1 stop13h 00m

Deal found 9/24

$136

Mon 10/266:35 pm -

1 stop4h 59m

Fri 10/3010:16 am -

1 stop8h 24m

Deal found 9/24

$172

Wed 10/286:44 pm -

1 stop4h 49m

Fri 10/3010:16 am -

1 stop8h 24m

Deal found 9/24

$170

Thu 10/2910:15 am -

1 stop3h 55m

Mon 11/28:10 am -

Nonstop2h 55m

Deal found 9/22

$243

Fri 10/306:44 pm -

1 stop4h 49m

Sun 11/19:12 pm -

1 stop21h 28m

Deal found 9/23

$150

Fri 10/306:44 pm -

1 stop4h 49m

Mon 11/210:16 am -

1 stop8h 24m

Deal found 9/22

$152

Fri 10/3012:59 pm -

1 stop18h 18m

Sun 11/19:52 pm -

1 stop13h 51m

Deal found 9/22

$222

One-way flights from Missouri to Washington, D.C.
Search for one-way flight options from Missouri to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated September 26, 2026.

Mon 11/96:44 pm -

1 stop21h 28m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/22

$50

Mon 10/196:35 pm -

1 stop28h 46m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/21

$53

Wed 10/146:35 pm -

1 stop4h 46m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/21

$54

Wed 10/216:35 pm -

1 stop4h 59m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/21

$57

Wed 10/286:44 pm -

1 stop4h 49m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/23

$58

Fri 11/136:44 pm -

1 stop21h 28m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/22

$59

Wed 11/46:44 pm -

1 stop21h 28m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/24

$63

Wed 10/286:44 pm -

1 stop21h 28m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/23

$66

Mon 10/126:35 pm -

1 stop28h 46m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/21

$69

Wed 11/186:44 pm -

1 stop4h 49m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/22

$71

Mon 11/96:44 pm -

1 stop20h 30m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/22

$72

Mon 10/196:35 pm -

1 stop4h 59m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/21

$75

Find flight deals from Missouri to Washington, D.C.

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$115 (Cheapflightsfares)
One-way from	$50 (Trip.com)
Popular in	May
Cheapest in	October
Average price	$323
Good round-trip deal	$320 or less
Good one-way deal	$183 or less

Provider with most accurate pricing for Lambert-St Louis-Washington, D.C. (WAS) flight deals.

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Provider most trusted by Cheapflights users for Lambert-St Louis-Washington, D.C. (WAS) flights.

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From Missouri to Washington, D.C. (WAS)

Search Deals

One-way flight from Missouri to Washington, D.C. (WAS)

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($25 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Price to beat on a round-trip flight from Missouri to Washington, D.C. (WAS).

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Price to beat on a one-way flight from Missouri to Washington, D.C. (WAS).

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Missouri to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

St. LouisWashington, D.C.

STL Lambert-St Louis - DCA Washington, D.C. Reagan-National

STLDCA

Lambert-St Louis

Wed 10/28

8:05 am-11:00 am

Nonstop1h 55m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$119

St. LouisWashington, D.C.

STL Lambert-St Louis - IAD Washington, D.C. Dulles Intl

STLIAD

Lambert-St Louis

Mon 11/9

1:00 pm-4:09 pm

Nonstop2h 09m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$119

St. LouisWashington, D.C.

STL Lambert-St Louis - DCA Washington, D.C. Reagan-National

STLDCA

Lambert-St Louis

Thu 11/19

7:15 pm-10:10 pm

Nonstop1h 55m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$119

St. LouisWashington, D.C.

STL Lambert-St Louis - IAD Washington, D.C. Dulles Intl

STLIAD

Lambert-St Louis

Wed 10/28

8:00 am-11:10 am

Nonstop2h 10m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$119

Kansas CityWashington, D.C.

MCI Kansas City - DCA Washington, D.C. Reagan-National

MCIDCA

Kansas City

Thu 10/15

6:25 pm-9:55 pm

Nonstop2h 30m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$119

St. LouisWashington, D.C.

STL Lambert-St Louis - IAD Washington, D.C. Dulles Intl

STLIAD

Lambert-St Louis

Thu 10/29

8:00 am-11:10 am

Nonstop2h 10m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$119

Kansas CityWashington, D.C.

MCI Kansas City - DCA Washington, D.C. Reagan-National

MCIDCA

Kansas City

Wed 10/28

7:00 pm-10:30 pm

Nonstop2h 30m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$119

Kansas CityWashington, D.C.

MCI Kansas City - IAD Washington, D.C. Dulles Intl

MCIIAD

Kansas City

Thu 10/15

11:50 am-3:19 pm

Nonstop2h 29m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$119

Kansas CityWashington, D.C.

MCI Kansas City - DCA Washington, D.C. Reagan-National

MCIDCA

Kansas City

Tue 10/20

12:20 pm-3:45 pm

Nonstop2h 25m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$119

Kansas CityWashington, D.C.

MCI Kansas City - IAD Washington, D.C. Dulles Intl

MCIIAD

Kansas City

Tue 10/20

11:50 am-3:19 pm

Nonstop2h 29m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$119

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/25

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from Missouri to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Missouri with our price prediction graph.

STL-BWI

COU-BWI

MCI-BWI

STL-DCA

STL-IAD

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 Washington, D.C.

USMO-WAS

STL-BWI

COU-BWI

MCI-BWI

STL-DCA

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

Currently, January is the cheapest month in which you can book a flight from Missouri to Washington, D.C. (average of $351). Flying from Missouri to Washington, D.C. in July is currently the most expensive (average of $422). 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 WAS?

When flying from Missouri to Washington, D.C., the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 18% versus a flight in the afternoon.

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

The most flights from USMO to WAS are scheduled on a Friday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from Missouri to Washington, D.C.?

Airfare is below average for this route at the moment.

Missouri to Washington, D.C. flights typically cost between $218 and $334 in October.
The cheapest round-trip price found within the last 5 days was $115 on Frontier (Oct 21-Oct 28).

How far ahead should I book a flight from Missouri to Washington, D.C.?

The best time to book flights from Missouri to Washington, D.C. is 87 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest day to fly from Missouri to Washington, D.C.?

Travelers seeking maximum savings on their Missouri to Washington, D.C. flight should consider departing on Thursday evenings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

How long is the flight from Missouri to Washington, D.C.?
Airlines like Southwest, United Airlines, and Delta fly from Missouri to Washington, D.C. in about 2h 10m. The time it takes to get you to your destination can typically vary by up to 3h 14m. Airlines will cover a distance of 694 mi. This flight may include one or multiple stops.
What are the cheapest airlines to fly from Missouri to Washington, D.C. one-way?
The cheapest airlines for a one-way flight from Missouri to Washington, D.C. are Frontier ($72), American Airlines ($115), and Delta ($125).
What are the most popular routes from Missouri to Washington, D.C.?
When deciding which route to take from Missouri to Washington, D.C. consider Lambert-St Louis - Washington, D.C. Dulles Intl, Kansas City - Washington, D.C. Dulles Intl or Lambert-St Louis - Washington, D.C. Reagan-National as they are the most popular.
What are the most reliable airlines from Missouri to Washington, D.C.?
Consider Mesa Airlines (100%), Avianca (87%) or Copa Airlines (87%) when booking your flight. These represent the most reliable airlines when flying from Missouri to Washington, D.C..
What are the cheapest flights from Missouri to Washington, D.C.?
While on average a flight from Missouri to Washington, D.C. is generally $1,031, our data shows the cheapest flight currently is $185. When looking at the most popular route, (Lambert-St Louis - Washington, D.C. Dulles Intl), you can expect to pay $237 for that flight.
Can I find deals for flights from Missouri to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Missouri to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Missouri to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Washington, D.C..
Can I find deals for business class flights from Missouri to Washington, D.C.?
Yes. Cheapflights offers flight deals from Missouri to Washington, D.C. 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 Washington, D.C.?
Currently, January is the cheapest month in which you can book a flight from Missouri to Washington, D.C. (average of $351). Flying from Missouri to Washington, D.C. in July is currently the most expensive (average of $422). 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

Alexandria

Arlington

Owings Mills

Lanham

Tysons

Woodbridge

Reston

Herndon

Hyattsville

Rockville

Fredericksburg

Falls Church

Hanover

Laurel

Springfield

Oxon Hill

Clinton

Hunt Valley

Silver Spring

Largo

Browse thousands of different options on Cheapflights for your next trip

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Washington, D.C. flight routes

Alternative routes for Missouri to Washington, D.C.

Dallas/Fort Worth to Dulles Intl flights

Los Angeles to Reagan-National flights

Dallas/Fort Worth to Reagan-National flights

O'Hare Intl to Reagan-National flights

Boston to Dulles Intl flights

Boston to Reagan-National flights

O'Hare Intl to Dulles Intl flights

Los Angeles to Dulles Intl flights

Seattle to Reagan-National flights

Seattle to Dulles Intl flights

San Francisco to Dulles Intl flights

Orlando to Reagan-National flights

Atlanta to Dulles Intl flights

Orlando to Dulles Intl flights

Tampa to Dulles Intl flights

San Francisco to Reagan-National flights

Hobby to Dulles Intl flights

Atlanta to Reagan-National flights

Denver to Dulles Intl flights

Hobby to Reagan-National flights

John F Kennedy Intl to Reagan-National flights

Denver to Reagan-National flights

Miami to Reagan-National flights

Fort Lauderdale to Reagan-National flights

John F Kennedy Intl to Dulles Intl flights

Minneapolis to Dulles Intl flights

Midway to Dulles Intl flights

George Bush Intcntl to Dulles Intl flights

Minneapolis to Reagan-National flights

Ontario to Dulles Intl flights

LaGuardia to Dulles Intl flights

Newark to Dulles Intl flights

Tampa to Reagan-National flights

San Diego to Dulles Intl flights

Austin to Dulles Intl flights

LaGuardia to Reagan-National flights

Detroit to Dulles Intl flights

Detroit to Reagan-National flights

Indianapolis to Dulles Intl flights

Sky Harbor Intl to Dulles Intl flights

George Bush Intcntl to Reagan-National flights

Fort Lauderdale to Dulles Intl flights

Miami to Dulles Intl flights

Newark to Reagan-National flights

Ontario to Reagan-National flights

Charlotte to Dulles Intl flights

Jacksonville to Dulles Intl flights

Salt Lake City to Dulles Intl flights

Sky Harbor Intl to Reagan-National flights

Cincinnati to Reagan-National flights

Top 6 airlines flying from Missouri to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$80	Average$228	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$98	Average$387	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$158	Average$403	FlexibilityNo cancel fee	On-time71%
JetBlue	Cheapest$200	Average$434	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$212	Average$413	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$252	Average$415	FlexibilityNo cancel fee	On-time63%

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$50+ Cheap flights from Missouri to Washington, D.C. (WAS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Missouri to Washington, D.C.

Cheapest flights from Missouri to Washington, D.C.Explore the most affordable flight options available from Missouri to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 26, 2026.

Explore the most affordable flight options available from Missouri to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 26, 2026.

Best flights from Missouri to Washington, D.C.Discover carefully curated flight deals from Missouri to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 26, 2026.

Discover carefully curated flight deals from Missouri to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 26, 2026.

Last-minute flights from Missouri to Washington, D.C.Discover last-minute flight deals from Missouri to Washington, D.C.. Data last updated September 26, 2026 and is based on user searches.

Discover last-minute flight deals from Missouri to Washington, D.C.. Data last updated September 26, 2026 and is based on user searches.

One-way flights from Missouri to Washington, D.C.Search for one-way flight options from Missouri to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated September 26, 2026.

Search for one-way flight options from Missouri to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated September 26, 2026.

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Best time to book a flight from Missouri to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Missouri with our price prediction graph.

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

What is the cheapest time of day to fly from MO to WAS?

Find hourly flight availability from Missouri to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 26, 2026.

When flying from Missouri to Washington, D.C., the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 18% versus a flight in the afternoon.

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

The most flights from USMO to WAS are scheduled on a Friday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from Missouri to Washington, D.C.?

Airfare is below average for this route at the moment.

Missouri to Washington, D.C. flights typically cost between $218 and $334 in October.The cheapest round-trip price found within the last 5 days was $115 on Frontier (Oct 21-Oct 28).

How far ahead should I book a flight from Missouri to Washington, D.C.?

The best time to book flights from Missouri to Washington, D.C. is 87 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest day to fly from Missouri to Washington, D.C.?

Use this chart to determine the cheapest time to fly round-trip from Missouri to Washington, D.C.. Price data was last updated on September 26, 2026.

Travelers seeking maximum savings on their Missouri to Washington, D.C. flight should consider departing on Thursday evenings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

How long is the flight from Missouri to Washington, D.C.?

What are the cheapest airlines to fly from Missouri to Washington, D.C. one-way?

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

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

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

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

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

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

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

Traveling to a place near Washington, D.C.?

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Alternative routes for Missouri to Washington, D.C.

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Complete your trip

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Missouri and Washington, D.C. flights

Browse other Missouri and Washington, D.C. flight options. Last updated on September 26, 2026.

Popular flight searches

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Missouri to Washington, D.C. flights

Consider these flights traveling from Missouri to Washington, D.C..

Other flights to Washington, D.C.

Explore flights to Washington, D.C. departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 26, 2026.

Top 6 airlines flying from Missouri to Washington, D.C.

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Cheapest flights from Missouri to Washington, D.C.
Explore the most affordable flight options available from Missouri to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 26, 2026.

Best flights from Missouri to Washington, D.C.
Discover carefully curated flight deals from Missouri to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 26, 2026.

Last-minute flights from Missouri to Washington, D.C.
Discover last-minute flight deals from Missouri to Washington, D.C.. Data last updated September 26, 2026 and is based on user searches.

One-way flights from Missouri to Washington, D.C.
Search for one-way flight options from Missouri to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated September 26, 2026.

Missouri to Washington, D.C. flights typically cost between $218 and $334 in October.
The cheapest round-trip price found within the last 5 days was $115 on Frontier (Oct 21-Oct 28).