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Dulles Intl

$79+ Cheap flights from Kansas City (MCI) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — IAD
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
1 adult, Economy
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Cheap flight deals from Kansas City to Dulles Intl

Cheapest flights from Kansas City to Dulles Intl
Explore the most affordable flight options available from Kansas City to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:45 pm
MCI
-
IAD
2 stops17h 35m
Frontier
Fri 8/147:48 am
IAD
-
MCI
1 stop10h 22m
Frontier
Deal found 7/18$283
This Frontier deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/104:32 pm
MCI
-
IAD
1 stop14h 48m
Frontier
Wed 8/196:20 am
IAD
-
MCI
1 stop5h 21m
Frontier
Deal found 7/21$284
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/41:38 pm
MCI
-
IAD
2 stops26h 36m
Frontier
Tue 9/88:39 pm
IAD
-
MCI
1 stop21h 37m
Frontier
Deal found 7/21$286
This United Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:10 pm
MCI
-
IAD
Nonstop2h 30m
United Airlines
Sun 9/610:35 am
IAD
-
MCI
1 stop6h 32m
United Airlines
Deal found 7/19$288
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:46 pm
MCI
-
IAD
1 stop4h 40m
Delta
Thu 8/2010:16 am
IAD
-
MCI
1 stop5h 37m
Delta
Deal found 7/21$291
This Kiwi.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:09 pm
MCI
-
IAD
2 stops21h 05m
Multiple Airlines
Fri 8/147:48 am
IAD
-
MCI
1 stop10h 22m
Multiple Airlines
Deal found 7/18$292
This Frontier deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/94:12 pm
MCI
-
IAD
1 stop7h 16m
Frontier
Fri 11/137:00 am
IAD
-
MCI
1 stop9h 17m
Frontier
Deal found 7/22$293
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/131:45 pm
MCI
-
IAD
2 stops17h 35m
Frontier
Mon 8/177:48 am
IAD
-
MCI
1 stop10h 22m
Frontier
Deal found 7/21$294
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:39 pm
MCI
-
IAD
Nonstop2h 39m
United Airlines
Mon 8/241:00 pm
IAD
-
MCI
Nonstop2h 50m
United Airlines
Deal found 7/20$295
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/131:45 pm
MCI
-
IAD
2 stops17h 35m
Frontier
Tue 8/188:39 pm
IAD
-
MCI
1 stop15h 02m
Frontier
Deal found 7/20$296
This Kiwi.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:17 pm
MCI
-
IAD
2 stops17h 30m
Frontier
Fri 8/147:48 am
IAD
-
MCI
1 stop10h 22m
Frontier
Deal found 7/18$297
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/112:26 pm
MCI
-
IAD
1 stop4h 48m
Delta
Wed 9/168:08 am
IAD
-
MCI
1 stop6h 13m
Delta
Deal found 7/20$298

Find flight deals from Kansas City to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Kansas City (MCI) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$283
(Frontier)

One-way from

$79
(Kiwi.com)

Popular in

November

Cheapest in

September

Average price

$514
Provider with most accurate pricing for Kansas City-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kansas City-Washington, D.C. Dulles Intl flights.
Search Deals
From Kansas City to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Kansas City to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($45 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kansas City to Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated July 23, 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

7:04 am-2:11 pm

1 stop6h 07m

Washington, D.C. Dulles Intl

Wed 9/16

6:07 pm-11:51 pm

1 stop6h 44m

$286

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Tue 8/11

5:46 pm-11:26 pm

1 stop4h 40m

Washington, D.C. Dulles Intl

Mon 8/17

7:26 pm-11:58 pm

1 stop5h 32m

$291

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Thu 8/27

5:39 pm-9:18 pm

Nonstop2h 39m

Washington, D.C. Dulles Intl

Sat 8/29

1:00 pm-2:50 pm

Nonstop2h 50m

$295
Quickest round-trip

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Wed 8/26

12:10 pm-3:40 pm

Nonstop2h 30m

Washington, D.C. Dulles Intl

Mon 8/31

5:44 pm-7:32 pm

Nonstop2h 48m

$295

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Mon 8/17

5:39 pm-9:18 pm

Nonstop2h 39m

Washington, D.C. Dulles Intl

Thu 8/20

1:00 pm-2:50 pm

Nonstop2h 50m

$295

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Tue 8/11

8:11 am-2:05 pm

1 stop4h 54m

Washington, D.C. Dulles Intl

Wed 8/12

6:00 am-11:26 am

1 stop6h 26m

$315

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Mon 8/31

5:00 pm-11:26 pm

1 stop5h 26m

Washington, D.C. Dulles Intl

Wed 9/2

5:25 pm-8:50 pm

1 stop4h 25m

$315

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Thu 8/20

12:10 pm-3:40 pm

Nonstop2h 30m

Washington, D.C. Dulles Intl

Mon 8/24

5:44 pm-7:32 pm

Nonstop2h 48m

$341

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Thu 8/13

5:39 pm-9:18 pm

Nonstop2h 39m

Washington, D.C. Dulles Intl

Sun 8/16

1:00 pm-2:50 pm

Nonstop2h 50m

$341

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Thu 8/13

5:39 pm-9:18 pm

Nonstop2h 39m

Washington, D.C. Dulles Intl

Mon 8/17

5:44 pm-7:32 pm

Nonstop2h 48m

$342

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Kansas City to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kansas City to Dulles Intl in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Kansas City-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kansas City-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kansas City-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kansas City-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kansas City-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Kansas City to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Kansas City with our price prediction graph.
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 Kansas City to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Kansas City to Washington, D.C. Dulles Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Kansas City to Washington, D.C. Dulles Intl Airport (average of $294). Flying from Kansas City to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $558). 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 MCI to IAD?

Find hourly flight availability from Kansas City to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 23, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kansas City to Washington, D.C. Dulles Intl Airport as you normally would.

How much does it cost to fly round-trip from Kansas City to Washington, D.C. Dulles Intl Airport?

Airfare is below average for this route at the moment.

Kansas City to Washington, D.C. Dulles Intl Airport flights typically cost between $317 and $474 in September.
The cheapest round-trip price found within the last 5 days was $283 on Frontier (Sep 14-Sep 18).

The best insider tips for Kansas City to Washington, D.C. Dulles Intl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Kansas City to Washington, D.C. Dulles Intl Airport trip
Our travel experts
Matt Meltzer

Matt Meltzer

Expert on MCI

Matt Meltzer has been a travel writer for over a decade, covering U.S. domestic locations and hotels for Thrillist, Fifty Grande, Matador Network, Conde Nast Traveler, and other top publications. He's won multiple travel journalism awards from the Society of American Travel Writers and North American Travel Journalists Association, and currently resides in South Florida.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on IAD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated July 23, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andFrontier from Kansas City to Washington, D.C. Dulles Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,481 reviews

Overall

7.8

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,481 reviews
Delta
7.8
Good
8,481 reviews

Overall

7.8

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,025 reviews
Delta
7.8
Good
8,481 reviews

Overall

7.8

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Frontier
5.6
Fair
2,771 reviews
Delta
7.8
Good
8,481 reviews

Overall

7.8

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Kansas City to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Kansas City to Washington, D.C. Dulles Intl?

    If you book a flight to Washington, D.C. Dulles Intl from Kansas City, you will be flying from Kansas City, which is the city’s only airport. Kansas City (MCI) is located 17.4 mi from the center of Kansas City. There are 7 flights from Kansas City to Washington, D.C. Dulles Intl per day from 3 different airlines.

  • How long is the flight from Kansas City to Washington, D.C. Dulles Intl Airport?

    There are many flights that can get you from Kansas City to Washington, D.C. Dulles Intl Airport in 2h 39m. Fly via Delta or United Airlines to get the fastest option. There are 924 mi between Kansas City and Washington, D.C. Dulles Intl Airport. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Kansas City to Washington, D.C. Dulles Intl Airport round-trip?

    Cheapflights users have booked flights from Kansas City to Washington, D.C. Dulles Intl Airport round-trip from $92. Other airlines that can offer you cheap pricing are Delta, from $153, and United Airlines, from $244. Frontier is currently priced 78% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Kansas City to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $93. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from Kansas City to Washington, D.C. Dulles Intl Airport for a low price.

  • What are the most reliable airlines from Kansas City to Washington, D.C. Dulles Intl Airport?

    The top 3 most reliable airlines when flying from Kansas City to Washington, D.C. Dulles Intl Airport are Brussels Airlines (87%), Avianca (85%) and Republic Airways (80%).

  • What are the cheapest flights from Kansas City to Washington, D.C. Dulles Intl Airport?

    The cheapest flight price from Kansas City to Washington, D.C. Dulles Intl Airport is $170. On average you can expect to pay $1,741. The most popular route, (Kansas City - Washington, D.C. Dulles Intl), can usually be booked for $214.

  • Can I find deals for flights from Kansas City to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Kansas City to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kansas City to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kansas City to Dulles Intl.

  • Can I find deals for business class flights from Kansas City to Dulles Intl?

    Yes. Cheapflights offers flight deals from Kansas City to Dulles Intl 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 Kansas City to Washington, D.C. Dulles Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Kansas City to Washington, D.C. Dulles Intl Airport (average of $294). Flying from Kansas City to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $558). 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Tysons
Arlington
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Fredericksburg
Falls Church
Hanover
Manassas
Laurel
Sterling
Clinton
Hunt Valley
Cordova

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Kansas City to Dulles Intl

Discover the top 3 airlines that operate flights from Kansas City to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$92Average$144FlexibilityNo cancel feeOn-time62%
DeltaCheapest$153Average$350FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$244Average$448FlexibilityNo cancel feeOn-time69%

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