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Cheap flights from Missouri to District of Columbia from $66

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to District of Columbia departing on 10/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Missouri to District of Columbia

Cheap round-trip flights

Frontier Logo
7:55 pm - 9:59 pmSTL-DCA
25h 04m1 stop
Frontier Logo
7:00 am - 9:07 amDCA-STL
27h 07m1 stop
$180Frontier
Find Deal
Tue, Sep 30 - Wed, Oct 8
Frontier Logo
11:07 am - 11:29 pmSTL-IAD
11h 22m1 stop
Frontier Logo
6:00 am - 4:01 pmIAD-STL
11h 01m1 stop
$186Frontier
Find Deal
Thu, Oct 30 - Fri, Nov 7
American Airlines Logo
4:29 pm - 7:59 pmMCI-DCA
2h 30mnonstop
American Airlines Logo
9:45 am - 1:53 pmDCA-MCI
5h 08m1 stop
$210American Airlines
Find Deal
Thu, Oct 30 - Wed, Nov 5
Delta Logo
5:40 pm - 11:33 pmMCI-DCA
4h 53m1 stop
Delta Logo
9:00 am - 2:00 pmDCA-MCI
6h 00m1 stop
$217Delta
Find Deal
Mon, Mar 9 - Wed, Mar 11
Delta Logo
1:37 pm - 7:26 pmMCI-IAD
4h 49m1 stop
Delta Logo
6:00 am - 12:29 pmIAD-MCI
7h 29m1 stop
$217Delta
Find Deal
Sat, Oct 11 - Tue, Oct 14
American Airlines Logo
3:39 pm - 11:56 pmMCI-DCA
7h 17m1 stop
American Airlines Logo
8:20 am - 10:35 amDCA-MCI
3h 15mnonstop
$238American Airlines
Find Deal
Fri, Dec 5 - Sun, Dec 7
United Airlines Logo
5:47 pm - 9:25 pmMCI-IAD
2h 38mnonstop
United Airlines Logo
5:15 pm - 9:45 pmIAD-MCI
5h 30m1 stop
$238United Airlines
Find Deal
Sat, Oct 11 - Mon, Oct 20
United Airlines Logo
8:00 am - 3:57 pmCOU-IAD
6h 57m1 stop
United Airlines Logo
5:15 pm - 9:27 pmIAD-COU
5h 12m1 stop
$243United Airlines
Find Deal
Tue, Oct 7 - Sat, Oct 11
Southwest Logo
1:10 pm - 4:10 pmSTL-DCA
2h 00mnonstop
Southwest Logo
8:15 am - 9:35 amDCA-STL
2h 20mnonstop
$275Southwest
Find Deal
Fri, Oct 31 - Mon, Nov 3
Southwest Logo
7:40 am - 11:00 amMCI-DCA
2h 20mnonstop
Southwest Logo
4:55 pm - 6:40 pmDCA-MCI
2h 45mnonstop
$281Southwest
Find Deal
Mon, Nov 3 - Tue, Nov 4

Delta flights from Missouri to District of Columbia

Our best Delta deals on Missouri to District of Columbia flight tickets
Delta
Oct 11
MCI1:37 pmKansas City
4h 49m
1 stop
IAD7:26 pmWashington, D.C. Dulles Intl
Oct 14
IAD6:00 amWashington, D.C. Dulles Intl
7h 29m
1 stop
MCI12:29 pmKansas City
$217
Find similar
Delta
Oct 4
SGF4:13 pmSpringfield-Branson
6h 29m
1 stop
DCA11:42 pmWashington, D.C. Reagan-National
Oct 7
DCA4:03 pmWashington, D.C. Reagan-National
7h 06m
1 stop
SGF10:09 pmSpringfield-Branson
$254
Find similar
Delta
Oct 3
SGF6:45 pmSpringfield-Branson
4h 28m
1 stop
IAD12:13 amWashington, D.C. Dulles Intl
Oct 7
IAD6:00 amWashington, D.C. Dulles Intl
6h 04m
1 stop
SGF11:04 amSpringfield-Branson
$259
Find similar

United Airlines flights from Missouri to District of Columbia

Our best United Airlines deals on Missouri to District of Columbia flight tickets
United Airlines
Oct 11
MCI5:47 pmKansas City
2h 38m
IAD9:25 pmWashington, D.C. Dulles Intl
Oct 20
IAD5:15 pmWashington, D.C. Dulles Intl
5h 30m
1 stop
MCI9:45 pmKansas City
$238
Find similar
United Airlines
Oct 7
COU8:00 amColumbia Regional
6h 57m
1 stop
IAD3:57 pmWashington, D.C. Dulles Intl
Oct 11
IAD5:15 pmWashington, D.C. Dulles Intl
5h 12m
1 stop
COU9:27 pmColumbia Regional
$243
Find similar
United Airlines
Oct 11
MCI5:47 pmKansas City
2h 38m
IAD9:25 pmWashington, D.C. Dulles Intl
Oct 20
IAD5:55 pmWashington, D.C. Dulles Intl
2h 51m
MCI7:46 pmKansas City
$252
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated September 19, 2025.
Use the filters below to find and compare flights from Missouri to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Tue 9/30

7:55 pm-9:59 pm

1 stop25h 04m

Washington, D.C. Reagan-National

Wed 10/8

7:00 am-9:07 am

1 stop27h 07m

$180

St. LouisWashington, D.C.

STL - IAD

STLIAD

Lambert-St Louis

Thu 10/30

11:07 am-11:29 pm

1 stop11h 22m

Washington, D.C. Dulles Intl

Fri 11/7

6:00 am-4:01 pm

1 stop11h 01m

$186

Kansas CityWashington, D.C.

MCI - DCA

MCIDCA

Kansas City

Thu 10/30

4:29 pm-7:59 pm

Nonstop2h 30m

Washington, D.C. Reagan-National

Wed 11/5

9:45 am-1:53 pm

1 stop5h 08m

$210

Kansas CityWashington, D.C.

MCI - DCA

MCIDCA

Kansas City

Mon 3/9

5:40 pm-11:33 pm

1 stop4h 53m

Washington, D.C. Reagan-National

Wed 3/11

9:00 am-2:00 pm

1 stop6h 00m

$217

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Sat 10/11

1:37 pm-7:26 pm

1 stop4h 49m

Washington, D.C. Dulles Intl

Tue 10/14

6:00 am-12:29 pm

1 stop7h 29m

$217

Kansas CityWashington, D.C.

MCI - DCA

MCIDCA

Kansas City

Fri 12/5

3:39 pm-11:56 pm

1 stop7h 17m

Washington, D.C. Reagan-National

Sun 12/7

8:20 am-10:35 am

Nonstop3h 15m

$238

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Sat 10/11

5:47 pm-9:25 pm

Nonstop2h 38m

Washington, D.C. Dulles Intl

Mon 10/20

5:15 pm-9:45 pm

1 stop5h 30m

$238

ColumbiaWashington, D.C.

COU - IAD

COUIAD

Columbia Regional

Tue 10/7

8:00 am-3:57 pm

1 stop6h 57m

Washington, D.C. Dulles Intl

Sat 10/11

5:15 pm-9:27 pm

1 stop5h 12m

$243

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Fri 10/31

1:10 pm-4:10 pm

Nonstop2h 00m

Washington, D.C. Reagan-National

Mon 11/3

8:15 am-9:35 am

Nonstop2h 20m

$275

Kansas CityWashington, D.C.

MCI - DCA

MCIDCA

Kansas City

Mon 11/3

7:40 am-11:00 am

Nonstop2h 20m

Washington, D.C. Reagan-National

Tue 11/4

4:55 pm-6:40 pm

Nonstop2h 45m

$281

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to District of Columbia from

How to get the cheapest flight ticket from Missouri to District of Columbia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to District of Columbia?

In general, August is the cheapest month to fly from Missouri to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $229. If you don’t want to visit District of Columbia in August, then you should wait until November to fly from Missouri, when ticket prices are also cheap, with an average price of $229.

What is the cheapest day to depart on your flight to District of Columbia?

The cheapest day to depart on your flight to District of Columbia is on a Friday when prices can be found for as low as $355. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Missouri because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $481.

What is the cheapest time of day to depart on your flight to District of Columbia?

Flying to District of Columbia from Missouri in the evening is the least expensive time of day to depart. momondo users have found prices as low as $295 when looking at flights departing in the evening. Flights to District of Columbia are more costly at noon, with an average ticket price of $953. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Missouri to District of Columbia flight route?

Fly from Kansas City to Washington, D.C. Reagan-National for the best Missouri - District of Columbia flight prices

How far in advance should I book a flight to District of Columbia?

You are more likely to see cheaper flights to District of Columbia from Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around $377 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from Missouri for as low as $246 on momondo.

What cabin class options are available on Missouri to District of Columbia flights?

There are 4 cabin classes available to choose from on Missouri to District of Columbia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Missouri to District of Columbia flights?

No. A direct flight is the cheapest option for a flight between Missouri to District of Columbia.

Cheap Missouri to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to District of Columbia

Best Price Found

$129

Fastest flight time

1h 55m

Direct flights

Every day

Airports in District of Columbia

2 airports
The best one-way flight to District of Columbia from Missouri in the past 72 hours is $129. The best round-trip flight deal from Missouri to District of Columbia found on momondo in the last 72 hours is $265.
The fastest flight from Missouri to District of Columbia takes 1h 55m
Direct flights go from Missouri to District of Columbia every day.
There are 2 airports near District of Columbia: Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD)
Search flight deals

  • When did momondo last update prices for flights from Missouri to District of Columbia?

    Prices for flights from Missouri to District of Columbia are updated daily.

  • How many operators does momondo search for flights from Missouri to District of Columbia?

  • How old do you have to be to fly from Missouri to District of Columbia?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to District of Columbia.

  • What documentation or ID do you need to fly to District of Columbia?

    The required travel and health documents for your District of Columbia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at District of Columbia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Missouri to District of Columbia?

Best airlines flying from Missouri to District of Columbia

Compare and see reviews for airlines that fly from Missouri to District of Columbia with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $111Free CancellationRating
5.8
3,171 reviews
Search Frontier flights
American AirlinesPriceFrom $129Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Spirit AirlinesPriceFrom $138Free CancellationRating
6.3
8,030 reviews
Search Spirit Airlines flights
DeltaPriceFrom $168Free CancellationRating
7.9
7,964 reviews
Search Delta flights
SouthwestPriceFrom $195Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
United AirlinesPriceFrom $211Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to District of Columbia?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to District of Columbia from Missouri.

Can I find flights from Missouri to District of Columbia with flexible booking policies on momondo?

Yes. All flights to District of Columbia from Missouri on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Missouri to District of Columbia?

Once all potential Missouri to District of Columbia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Missouri to District of Columbia right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to District of Columbia from Missouri. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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