Cheap flights from Washington, D.C. Dulles Intl Airport to Missouri from $80

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Missouri departing on 4/23. 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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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Missouri

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:09 am - 11:19 pm
IAD
-
STL
16h 10m
1 stop
Frontier Logo
4:55 pm - 7:27 am
STL
-
IAD
13h 32m
1 stop
$267Frontier
Fri, May 8 - Thu, May 14
United Airlines Logo
3:15 pm - 9:13 pm
IAD
-
STL
6h 58m
1 stop
United Airlines Logo
8:35 am - 11:47 am
STL
-
IAD
2h 12mnonstop
$268United Airlines
Wed, May 20 - Wed, May 27
Delta Logo
5:27 pm - 9:07 pm
IAD
-
SGF
4h 40m
1 stop
Delta Logo
6:52 pm - 12:51 am
SGF
-
IAD
4h 59m
1 stop
$269Delta
Tue, May 5 - Tue, May 12
Frontier Logo
6:20 am - 7:12 pm
IAD
-
STL
13h 52m
2 stops
Frontier Logo
11:21 am - 8:56 am
STL
-
IAD
20h 35m
1 stop
$269Frontier
Fri, May 8 - Sun, May 10
Frontier Logo
5:28 pm - 11:57 pm
IAD
-
STL
7h 29m
1 stop
Frontier Logo
2:17 pm - 12:49 am
STL
-
IAD
9h 32m
1 stop
$270Frontier
Thu, May 21 - Thu, Jun 4
Multiple Airlines Logo
7:00 am - 11:19 pm
IAD
-
STL
17h 19m
2 stops
Multiple Airlines Logo
8:23 pm - 12:36 am
STL
-
IAD
27h 13m
1 stop
$271Multiple Airlines
Wed, Apr 15 - Mon, Apr 20
Multiple Airlines Logo
6:10 am - 10:58 am
IAD
-
MCI
5h 48m
1 stop
Multiple Airlines Logo
5:15 am - 5:34 pm
MCI
-
IAD
11h 19m
2 stops
$273Multiple Airlines
Thu, Apr 16 - Mon, Apr 20
American Airlines Logo
5:00 am - 11:20 am
IAD
-
MCI
7h 20m
1 stop
American Airlines Logo
6:30 am - 1:32 pm
MCI
-
IAD
6h 02m
1 stop
$281American Airlines
Wed, Mar 25 - Wed, Apr 1
Delta Logo
7:06 am - 1:58 pm
IAD
-
MCI
7h 52m
1 stop
Delta Logo
5:40 am - 2:04 pm
MCI
-
IAD
7h 24m
1 stop
$289Delta
Tue, Apr 21 - Wed, Apr 22
American Airlines Logo
5:00 am - 11:18 am
IAD
-
SGF
7h 18m
1 stop
American Airlines Logo
7:05 am - 1:32 pm
SGF
-
IAD
5h 27m
1 stop
$339American Airlines
Fri, Mar 6 - Sat, Mar 7

Frontier flights from Washington, D.C. Dulles Intl Airport to Missouri

Our best Frontier deals on Washington, D.C. Dulles Intl Airport to Missouri flight tickets
Frontier
May 8
IAD8:09 amWashington, D.C. Dulles Intl
16h 10m
1 stop
STL11:19 pmLambert-St Louis
May 14
STL4:55 pmLambert-St Louis
13h 32m
1 stop
IAD7:27 amWashington, D.C. Dulles Intl
$267
Frontier
May 8
IAD6:20 amWashington, D.C. Dulles Intl
13h 52m
2 stops
STL7:12 pmLambert-St Louis
May 10
STL11:21 amLambert-St Louis
20h 35m
1 stop
IAD8:56 amWashington, D.C. Dulles Intl
$269
Frontier
Mar 15
IAD2:39 pmWashington, D.C. Dulles Intl
6h 31m
1 stop
STL8:10 pmLambert-St Louis
Mar 20
STL12:16 pmLambert-St Louis
11h 15m
1 stop
IAD12:31 amWashington, D.C. Dulles Intl
$270

Delta flights from Washington, D.C. Dulles Intl Airport to Missouri

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Missouri flight tickets
Delta
May 5
IAD5:27 pmWashington, D.C. Dulles Intl
4h 40m
1 stop
SGF9:07 pmSpringfield-Branson
May 12
SGF6:52 pmSpringfield-Branson
4h 59m
1 stop
IAD12:51 amWashington, D.C. Dulles Intl
$269
Delta
May 19
IAD6:00 amWashington, D.C. Dulles Intl
4h 29m
1 stop
STL9:29 amLambert-St Louis
May 21
STL10:49 amLambert-St Louis
4h 47m
1 stop
IAD4:36 pmWashington, D.C. Dulles Intl
$285
Delta
May 14
IAD6:08 amWashington, D.C. Dulles Intl
4h 36m
1 stop
STL9:44 amLambert-St Louis
May 25
STL7:01 pmLambert-St Louis
4h 50m
1 stop
IAD12:51 amWashington, D.C. Dulles Intl
$288

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated March 1, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Missouri that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.St. Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

Fri 5/8

8:09 am-11:19 pm

1 stop16h 10m

Lambert-St Louis

Thu 5/14

4:55 pm-7:27 am

1 stop13h 32m

$267

Washington, D.C.St. Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

Wed 5/20

3:15 pm-9:13 pm

1 stop6h 58m

Lambert-St Louis

Wed 5/27

8:35 am-11:47 am

Nonstop2h 12m

$268

Washington, D.C.Springfield

IAD - SGF

IADSGF

Washington, D.C. Dulles Intl

Tue 5/5

5:27 pm-9:07 pm

1 stop4h 40m

Springfield-Branson

Tue 5/12

6:52 pm-12:51 am

1 stop4h 59m

$269

Washington, D.C.St. Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

Fri 5/8

6:20 am-7:12 pm

2 stops13h 52m

Lambert-St Louis

Sun 5/10

11:21 am-8:56 am

1 stop20h 35m

$269

Washington, D.C.St. Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

Thu 5/21

5:28 pm-11:57 pm

1 stop7h 29m

Lambert-St Louis

Thu 6/4

2:17 pm-12:49 am

1 stop9h 32m

$270

Washington, D.C.St. Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

Wed 4/15

7:00 am-11:19 pm

2 stops17h 19m

Lambert-St Louis

Mon 4/20

8:23 pm-12:36 am

1 stop27h 13m

$271

Washington, D.C.Kansas City

IAD - MCI

IADMCI

Washington, D.C. Dulles Intl

Thu 4/16

6:10 am-10:58 am

1 stop5h 48m

Kansas City

Mon 4/20

5:15 am-5:34 pm

2 stops11h 19m

$273

Washington, D.C.Kansas City

IAD - MCI

IADMCI

Washington, D.C. Dulles Intl

Wed 3/25

5:00 am-11:20 am

1 stop7h 20m

Kansas City

Wed 4/1

6:30 am-1:32 pm

1 stop6h 02m

$281

Washington, D.C.Kansas City

IAD - MCI

IADMCI

Washington, D.C. Dulles Intl

Tue 4/21

7:06 am-1:58 pm

1 stop7h 52m

Kansas City

Wed 4/22

5:40 am-2:04 pm

1 stop7h 24m

$289

Washington, D.C.Springfield

IAD - SGF

IADSGF

Washington, D.C. Dulles Intl

Fri 3/6

5:00 am-11:18 am

1 stop7h 18m

Springfield-Branson

Sat 3/7

7:05 am-1:32 pm

1 stop5h 27m

$339

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 Missouri from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Missouri

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 Missouri?

In general, August is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Missouri. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $290. If you aren’t able to travel to Missouri during the month of August, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $292.

What is the cheapest day to depart on your flight to Missouri?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Missouri is on a Wednesday when prices can be found for as low as $393. Flights from Washington, D.C. Dulles Intl Airport to Missouri on a Monday will generally be more expensive and average around $571. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Missouri is in the morning. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to Missouri in the morning for as low as $455. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Missouri are more costly in the afternoon, with an average ticket price of $617. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Washington, D.C. Dulles Intl to Missouri flight route?

Fly from Washington, D.C. Dulles Intl to Kansas City for the best Washington, D.C. Dulles Intl - Missouri flight prices

What cabin class options are available on Washington, D.C. Dulles Intl to Missouri flights?

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl to Missouri 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 Washington, D.C. Dulles Intl Airport to Missouri flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. Dulles Intl Airport to Missouri.

Cheap Washington, D.C. Dulles Intl Airport to Missouri flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Missouri

Best Price Found

$183

Fastest flight time

2h 27m

Direct flights

Every day

Airports in Missouri

55 airports
The best one-way flight to Missouri from Washington, D.C. Dulles Intl Airport in the past 72 hours is $183. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Missouri found on momondo in the last 72 hours is $391.
The fastest flight from Washington, D.C. Dulles Intl Airport to Missouri takes 2h 27m
Direct flights go from Washington, D.C. Dulles Intl Airport to Missouri every day.
There are 55 airports in Missouri. From Washington, D.C. Dulles Intl Airport there are direct flights to Lambert-St Louis (STL).
  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Missouri?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Missouri refresh daily.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Missouri?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Missouri?

    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 Washington, D.C. Dulles Intl Airport to Missouri.

  • What documentation or ID do you need to fly to Missouri?

    The required travel and health documents for your Missouri 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 Missouri. 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 Washington, D.C. Dulles Intl Airport to Missouri?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Missouri

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Missouri with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $78Free CancellationRating
5.7
3,040 reviews
Search Frontier flights
DeltaPriceFrom $124Free CancellationRating
7.9
8,244 reviews
Search Delta flights
United AirlinesPriceFrom $227Free CancellationRating
7.4
9,370 reviews
Search United Airlines flights
American AirlinesPriceFrom $248Free CancellationRating
7.1
11,370 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Missouri?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Missouri. momondo saves you time and could save you money on your trip.

Can I find flights from Washington, D.C. to Missouri with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Missouri from Washington, D.C. with this policy.

How can momondo help me find flights from Washington, D.C. to Missouri?

Once all potential Washington, D.C. to Missouri 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 Washington, D.C. to Missouri right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Missouri, momondo offers a useful price alert feature which will track prices for flights to Missouri from Washington, D.C. and alert you when they change.

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1 adult
Tue 3/31
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