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Cheap flights from Kansas City to Washington, D.C. from $73

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 1/7. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:30 pm - 9:01 pmMCI-IAD
2h 31mnonstop
United Airlines Logo
5:55 pm - 8:06 pmIAD-MCI
3h 11mnonstop
$244United Airlines
Find Deal
Thu, Feb 19 - Sun, Feb 22
United Airlines Logo
12:35 pm - 4:09 pmMCI-IAD
2h 34mnonstop
United Airlines Logo
5:55 pm - 7:56 pmIAD-MCI
3h 01mnonstop
$247United Airlines
Find Deal
Sat, Jan 17 - Mon, Jan 19
Frontier Logo
11:12 am - 5:23 pmMCI-IAD
5h 11m1 stop
Frontier Logo
8:40 am - 5:19 pmIAD-MCI
9h 39m2 stops
$253Frontier
Find Deal
Mon, Nov 3 - Tue, Nov 4
Frontier Logo
3:04 pm - 4:34 pmMCI-IAD
24h 30m2 stops
Frontier Logo
6:00 am - 10:17 amIAD-MCI
5h 17m1 stop
$255Frontier
Find Deal
Sun, Nov 9 - Thu, Nov 13
Multiple Airlines Logo
6:49 pm - 4:34 pmMCI-IAD
20h 45m2 stops
Multiple Airlines Logo
9:58 pm - 10:59 pmIAD-MCI
26h 01m1 stop
$257Multiple Airlines
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Wed, Nov 5 - Mon, Jan 5
Delta Logo
5:50 am - 11:35 amMCI-IAD
4h 45m1 stop
Delta Logo
7:35 pm - 11:47 pmIAD-MCI
5h 12m1 stop
$260Delta
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Thu, Dec 11 - Mon, Dec 15
Delta Logo
5:45 pm - 11:08 pmMCI-IAD
4h 23m1 stop
Delta Logo
6:00 am - 9:56 amIAD-MCI
4h 56m1 stop
$270Delta
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Fri, Dec 12 - Sun, Dec 14
Multiple Airlines Logo
6:00 am - 7:45 amMCI-IAD
24h 45m1 stop
Multiple Airlines Logo
6:55 am - 3:16 pmIAD-MCI
9h 21m1 stop
$276Multiple Airlines
Find Deal
Fri, Nov 21 - Mon, Nov 24
American Airlines Logo
5:48 am - 5:16 pmMCI-IAD
10h 28m2 stops
American Airlines Logo
5:26 pm - 8:47 amIAD-MCI
16h 21m1 stop
$283American Airlines
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Thu, Jan 8 - Sun, Jan 11
American Airlines Logo
7:00 am - 4:11 pmMCI-IAD
8h 11m1 stop
American Airlines Logo
7:55 am - 4:43 pmIAD-MCI
9h 48m2 stops
$294American Airlines
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Sat, Nov 15 - Tue, Nov 18

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
Feb 19
MCI5:30 pmKansas City
2h 31m
IAD9:01 pmWashington, D.C. Dulles Intl
Feb 22
IAD5:55 pmWashington, D.C. Dulles Intl
3h 11m
MCI8:06 pmKansas City
$244
Find similar
United Airlines
Jan 17
MCI12:35 pmKansas City
2h 34m
IAD4:09 pmWashington, D.C. Dulles Intl
Jan 19
IAD5:55 pmWashington, D.C. Dulles Intl
3h 01m
MCI7:56 pmKansas City
$247
Find similar
United Airlines
Dec 21
MCI7:40 amKansas City
7h 44m
1 stop
IAD4:24 pmWashington, D.C. Dulles Intl
Dec 24
IAD5:31 pmWashington, D.C. Dulles Intl
5h 19m
1 stop
MCI9:50 pmKansas City
$248
Find similar

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

Our best American Airlines deals on Kansas City to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Jan 8
MCI5:48 amKansas City
10h 28m
2 stops
IAD5:16 pmWashington, D.C. Dulles Intl
Jan 11
IAD5:26 pmWashington, D.C. Dulles Intl
16h 21m
1 stop
MCI8:47 amKansas City
$283
Find similar
American Airlines
Nov 15
MCI7:00 amKansas City
8h 11m
1 stop
IAD4:11 pmWashington, D.C. Dulles Intl
Nov 18
IAD7:55 amWashington, D.C. Dulles Intl
9h 48m
2 stops
MCI4:43 pmKansas City
$294
Find similar
American Airlines
Dec 11
MCI1:44 pmKansas City
7h 59m
1 stop
IAD10:43 pmWashington, D.C. Dulles Intl
Dec 15
IAD2:16 pmWashington, D.C. Dulles Intl
9h 38m
2 stops
MCI10:54 pmKansas City
$298
Find similar

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 October 23, 2025.
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

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Thu 2/19

5:30 pm-9:01 pm

Nonstop2h 31m

Washington, D.C. Dulles Intl

Sun 2/22

5:55 pm-8:06 pm

Nonstop3h 11m

$244

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Sat 1/17

12:35 pm-4:09 pm

Nonstop2h 34m

Washington, D.C. Dulles Intl

Mon 1/19

5:55 pm-7:56 pm

Nonstop3h 01m

$247

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Mon 11/3

11:12 am-5:23 pm

1 stop5h 11m

Washington, D.C. Dulles Intl

Tue 11/4

8:40 am-5:19 pm

2 stops9h 39m

$253

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Sun 11/9

3:04 pm-4:34 pm

2 stops24h 30m

Washington, D.C. Dulles Intl

Thu 11/13

6:00 am-10:17 am

1 stop5h 17m

$255

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Wed 11/5

6:49 pm-4:34 pm

2 stops20h 45m

Washington, D.C. Dulles Intl

Mon 1/5

9:58 pm-10:59 pm

1 stop26h 01m

$257

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Thu 12/11

5:50 am-11:35 am

1 stop4h 45m

Washington, D.C. Dulles Intl

Mon 12/15

7:35 pm-11:47 pm

1 stop5h 12m

$260

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Fri 12/12

5:45 pm-11:08 pm

1 stop4h 23m

Washington, D.C. Dulles Intl

Sun 12/14

6:00 am-9:56 am

1 stop4h 56m

$270

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Fri 11/21

6:00 am-7:45 am

1 stop24h 45m

Washington, D.C. Dulles Intl

Mon 11/24

6:55 am-3:16 pm

1 stop9h 21m

$276

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Thu 1/8

5:48 am-5:16 pm

2 stops10h 28m

Washington, D.C. Dulles Intl

Sun 1/11

5:26 pm-8:47 am

1 stop16h 21m

$283

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Sat 11/15

7:00 am-4:11 pm

1 stop8h 11m

Washington, D.C. Dulles Intl

Tue 11/18

7:55 am-4:43 pm

2 stops9h 48m

$294

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 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 $299. 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 $346.

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

Our data shows that Tuesday 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 $876. 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 $1,152.

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 morning is the least expensive time of day to depart. momondo users have found prices as low as $978 when looking at flights departing in the morning. 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

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Kansas City when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $407 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Kansas City for as low as $218 on momondo.

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

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

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

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

As of October 2025, prices for Kansas City to Washington, D.C. Dulles Intl Airport flights are approximately 25% 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

$260

Fastest flight time

2h 29m

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 $260. 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 $534.
The fastest flight from Kansas City to Washington, D.C. Dulles Intl Airport takes 2h 29m
Direct flights go from Kansas City to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

  • 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 30m, 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 $144Free CancellationRating
5.8
3,128 reviews
Search Frontier flights
DeltaPriceFrom $216Free CancellationRating
7.9
7,982 reviews
Search Delta flights
American AirlinesPriceFrom $286Free CancellationRating
7.2
11,033 reviews
Search American Airlines flights
United AirlinesPriceFrom $288Free CancellationRating
7.4
8,995 reviews
Search United Airlines flights

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

    Across 8 United Airlines flights from Kansas City to Washington, D.C. Dulles Intl Airport this week, the average price was $442, with the best United Airlines deals starting from $288 round-trip. 8,995 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
Gettysburg
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Fairfax
Gaithersburg
Sterling

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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