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Cheap flights from Kansas City to Washington, D.C. from $146

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kansas City to Washington, D.C. departing on 7/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Kansas City to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:11 pm - 12:28 am
MCI
-
IAD
5h 17m
1 stop
Frontier Logo
7:00 am - 5:16 pm
IAD
-
MCI
11h 16m
1 stop
$264Frontier
Fri, Sep 11 - Mon, Sep 14
Frontier Logo
4:32 pm - 8:20 am
MCI
-
IAD
14h 48m
1 stop
Frontier Logo
7:49 am - 5:10 pm
IAD
-
MCI
10h 21m
1 stop
$269Frontier
Mon, Jul 20 - Fri, Jul 24
Frontier Logo
4:32 pm - 8:20 am
MCI
-
IAD
14h 48m
1 stop
Frontier Logo
7:49 am - 5:10 pm
IAD
-
MCI
10h 21m
1 stop
$270Frontier
Fri, Jul 24 - Fri, Jul 31
United Airlines Logo
12:30 pm - 4:03 pm
MCI
-
IAD
2h 33mnonstop
United Airlines Logo
5:42 pm - 11:59 pm
IAD
-
MCI
7h 17m
1 stop
$271United Airlines
Sat, Jul 18 - Sat, Jul 25
United Airlines Logo
12:30 pm - 4:03 pm
MCI
-
IAD
2h 33mnonstop
United Airlines Logo
12:55 pm - 2:45 pm
IAD
-
MCI
2h 50mnonstop
$276United Airlines
Tue, Aug 4 - Wed, Aug 5
United Airlines Logo
12:10 pm - 3:40 pm
MCI
-
IAD
2h 30mnonstop
United Airlines Logo
5:44 pm - 7:32 pm
IAD
-
MCI
2h 48mnonstop
$278United Airlines
Thu, Aug 27 - Tue, Sep 1
Frontier Logo
6:07 pm - 7:38 pm
MCI
-
IAD
24h 31m
2 stops
Frontier Logo
7:49 am - 5:10 pm
IAD
-
MCI
10h 21m
1 stop
$279Frontier
Wed, Jul 8 - Wed, Jul 15
Frontier Logo
4:32 pm - 8:20 am
MCI
-
IAD
14h 48m
1 stop
Frontier Logo
9:50 am - 3:47 pm
IAD
-
MCI
30h 57m
1 stop
$280Frontier
Fri, Jul 31 - Sun, Aug 9
Delta Logo
5:34 pm - 12:41 am
MCI
-
IAD
6h 07m
1 stop
Delta Logo
6:00 am - 10:07 am
IAD
-
MCI
5h 07m
1 stop
$281Delta
Sat, Jul 18 - Sat, Jul 25
Frontier Logo
4:32 pm - 8:20 am
MCI
-
IAD
14h 48m
1 stop
Frontier Logo
7:48 am - 5:10 pm
IAD
-
MCI
10h 22m
1 stop
$282Frontier
Fri, Aug 14 - Mon, Aug 17

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United Airlines flights from Kansas City to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Kansas City to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Jul 18
MCI12:30 pmKansas City
2h 33m
IAD4:03 pmWashington, D.C. Dulles Intl
Jul 25
IAD5:42 pmWashington, D.C. Dulles Intl
7h 17m
1 stop
MCI11:59 pmKansas City
$271
United Airlines
Aug 4
MCI12:30 pmKansas City
2h 33m
IAD4:03 pmWashington, D.C. Dulles Intl
Aug 5
IAD12:55 pmWashington, D.C. Dulles Intl
2h 50m
MCI2:45 pmKansas City
$276
United Airlines
Aug 27
MCI12:10 pmKansas City
2h 30m
IAD3:40 pmWashington, D.C. Dulles Intl
Sep 1
IAD5:44 pmWashington, D.C. Dulles Intl
2h 48m
MCI7:32 pmKansas City
$278

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

Our best Frontier deals on Kansas City to Washington, D.C. Dulles Intl Airport flight tickets
Frontier
Sep 11
MCI6:11 pmKansas City
5h 17m
1 stop
IAD12:28 amWashington, D.C. Dulles Intl
Sep 14
IAD7:00 amWashington, D.C. Dulles Intl
11h 16m
1 stop
MCI5:16 pmKansas City
$264
Frontier
Jul 20
MCI4:32 pmKansas City
14h 48m
1 stop
IAD8:20 amWashington, D.C. Dulles Intl
Jul 24
IAD7:49 amWashington, D.C. Dulles Intl
10h 21m
1 stop
MCI5:10 pmKansas City
$269
Frontier
Jul 24
MCI4:32 pmKansas City
14h 48m
1 stop
IAD8:20 amWashington, D.C. Dulles Intl
Jul 31
IAD7:49 amWashington, D.C. Dulles Intl
10h 21m
1 stop
MCI5:10 pmKansas City
$270

momondo Fare Finder

 
Customize your flight search to find flights from Kansas City to Washington, D.C. Dulles Intl Airport 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 June 26, 2026.
Use the filters below to find and compare flights from Kansas City to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Fri 9/11

6:11 pm-12:28 am

1 stop5h 17m

Washington, D.C. Dulles Intl

Mon 9/14

7:00 am-5:16 pm

1 stop11h 16m

$264

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Mon 7/20

4:32 pm-8:20 am

1 stop14h 48m

Washington, D.C. Dulles Intl

Fri 7/24

7:49 am-5:10 pm

1 stop10h 21m

$269

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Fri 7/24

4:32 pm-8:20 am

1 stop14h 48m

Washington, D.C. Dulles Intl

Fri 7/31

7:49 am-5:10 pm

1 stop10h 21m

$270

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Sat 7/18

12:30 pm-4:03 pm

Nonstop2h 33m

Washington, D.C. Dulles Intl

Sat 7/25

5:42 pm-11:59 pm

1 stop7h 17m

$271

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Tue 8/4

12:30 pm-4:03 pm

Nonstop2h 33m

Washington, D.C. Dulles Intl

Wed 8/5

12:55 pm-2:45 pm

Nonstop2h 50m

$276
Quickest round-trip

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Thu 8/27

12:10 pm-3:40 pm

Nonstop2h 30m

Washington, D.C. Dulles Intl

Tue 9/1

5:44 pm-7:32 pm

Nonstop2h 48m

$278

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Wed 7/8

6:07 pm-7:38 pm

2 stops24h 31m

Washington, D.C. Dulles Intl

Wed 7/15

7:49 am-5:10 pm

1 stop10h 21m

$279

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Fri 7/31

4:32 pm-8:20 am

1 stop14h 48m

Washington, D.C. Dulles Intl

Sun 8/9

9:50 am-3:47 pm

1 stop30h 57m

$280

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Sat 7/18

5:34 pm-12:41 am

1 stop6h 07m

Washington, D.C. Dulles Intl

Sat 7/25

6:00 am-10:07 am

1 stop5h 07m

$281

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Fri 8/14

4:32 pm-8:20 am

1 stop14h 48m

Washington, D.C. Dulles Intl

Mon 8/17

7:48 am-5:10 pm

1 stop10h 22m

$282

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 Washington, D.C. from

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

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 typical price of a round-trip flight between Kansas City and Washington, D.C. Dulles Intl Airport?

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, September is the cheapest month to fly from Kansas City to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $294. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $333.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Wednesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $734. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Kansas City to Washington, D.C. Dulles Intl Airport for around $1,096.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Kansas City in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $831 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,533 on average. Flights to Washington, D.C. Dulles Intl Airport from Kansas City at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

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

There are 4 cabin classes available to choose from on Kansas City to Washington, D.C. Dulles Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Kansas City to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of June 2026, prices for Kansas City to Washington, D.C. Dulles Intl Airport flights are approximately 42% more expensive when compared to flights at the same time last year.

When to book flights from Kansas City to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Kansas City to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Kansas City to Washington, D.C. Dulles Intl Airport (MCI to IAD) flight deals and tips

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

Best Price Found

$245

Fastest flight time

2h 22m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Kansas City in the past 72 hours is $245. The best round-trip flight deal from Kansas City to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $713.
The fastest flight from Kansas City to Washington, D.C. Dulles Intl Airport takes 2h 22m
Direct flights go from Kansas City to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

Frequently asked questions about flying from Kansas City to Washington, D.C. Dulles Intl Airport

  • How far is Kansas City to Washington, D.C. Dulles Intl by plane?

    There are 917.3 mi between Kansas City and Washington, D.C. Dulles Intl. Flights usually cover this in 2h 22m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Kansas City Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Kansas City Airport to Washington, D.C. Dulles Intl Airport were last updated today.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kansas City Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Kansas City to Washington, D.C. Dulles Intl Airport?

  • What is the most popular airline from Kansas City to Washington, D.C. Dulles Intl Airport?

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

Compare and see reviews for airlines that fly from Kansas City to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $90Free CancellationRating
5.6
2,864 reviews
Search Frontier flights
DeltaPriceFrom $153Free CancellationRating
7.8
8,453 reviews
Search Delta flights
United AirlinesPriceFrom $244Free CancellationRating
7.4
9,893 reviews
Search United Airlines flights

  • United Airlines Flights From Kansas City to Washington, D.C. Dulles Intl Airport

    Across 16 United Airlines flights from Kansas City to Washington, D.C. Dulles Intl Airport this week, the average price was $449, with the best United Airlines deals starting from $244 round-trip. 9,893 users have rated United Airlines on momondo, with an average score of 7.4/10.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Arlington
Gettysburg
Winchester
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Colonial Beach
Linthicum Heights
Rockville
Silver Spring
Towson
Manassas
Sterling
Tysons
Springfield
Fairfax

Why use momondo?

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

Finding the right flight to Washington, D.C. from Kansas City is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

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

Yes. All flights to Washington, D.C. from Kansas City on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Kansas City.

I’m not ready to book a flight from Kansas City to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Kansas City. 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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