Dulles Intl

$55+ 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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — IAD
Oct 11 — Oct 181
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Cheapflights Tip: The best prices from Kansas City to Washington, D.C. Dulles Intl are usually found in September or January, booked 30 days in advance, depart on a Tuesday or Thursday and return on a Saturday

Cheap 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 September 11, 2025.

Round-trip from

$213
(Frontier)

One-way from

$55
(Trip.com)

Popular in

April

Cheapest in

September

Average price

$314
From Kansas City to Washington, D.C. Dulles Intl
One-way flight from Kansas City to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 5% potential increase in price ($24 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in September 2025

Find 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 September 11, 2025.

This Frontier deal was found by Cheapflights users on 9/10. 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.
Thu 10/25:15 pmMCI - IAD
1 stop5h 24mFrontier
Sun 10/510:09 pmIAD - MCI
2 stops19h 11mFrontier
Deal found 9/10$213
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 11/611:12 amMCI - IAD
1 stop11h 59mFrontier
Sat 11/88:36 pmIAD - MCI
2 stops14h 41mFrontier
Deal found 9/11$215
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/3111:12 amMCI - IAD
1 stop11h 17mFrontier
Sun 11/210:54 pmIAD - MCI
2 stops21h 39mFrontier
Deal found 9/11$216
This Delta deal was found by Cheapflights users on 9/11. 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.
Wed 10/110:33 amMCI - IAD
1 stop4h 34mDelta
Fri 10/37:22 pmIAD - MCI
1 stop5h 22mDelta
Deal found 9/11$217
This Frontier deal was found by Cheapflights users on 9/10. 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.
Fri 9/195:15 pmMCI - IAD
1 stop6h 00mFrontier
Thu 9/258:59 pmIAD - MCI
2 stops20h 21mFrontier
Deal found 9/10$218
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/227:02 pmMCI - IAD
2 stops16h 20mFrontier
Fri 10/246:15 amIAD - MCI
1 stop5h 27mFrontier
Deal found 9/10$223
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 9/255:15 pmMCI - IAD
1 stop6h 00mMultiple Airlines
Mon 10/276:15 amIAD - MCI
2 stops11h 01mMultiple Airlines
Deal found 9/10$224
This Frontier deal was found by Cheapflights users on 9/11. 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.
Fri 10/248:38 pmMCI - IAD
2 stops17h 39mFrontier
Sun 10/266:15 amIAD - MCI
1 stop5h 27mFrontier
Deal found 9/11$225
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 12/126:00 amMCI - IAD
1 stop4h 44mUnited Airlines
Mon 12/155:55 pmIAD - MCI
Nonstop2h 59mUnited Airlines
Deal found 9/11$226
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/15:47 pmMCI - IAD
Nonstop2h 38mUnited Airlines
Sun 10/55:55 pmIAD - MCI
Nonstop2h 51mUnited Airlines
Deal found 9/10$234

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 September 11, 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

Kansas City

Fly to

Dulles Intl

Route

Depart

Return

Price

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Tue 10/7

4:39 pm-11:18 pm

1 stop5h 39m

Washington, D.C. Dulles Intl

Sat 10/18

5:52 pm-11:52 pm

1 stop7h 00m

$217

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Wed 10/1

10:19 am-6:22 pm

1 stop7h 03m

Washington, D.C. Dulles Intl

Sun 10/5

6:00 am-11:03 am

1 stop6h 03m

$217

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Sat 11/8

7:00 am-2:38 pm

1 stop6h 38m

Washington, D.C. Dulles Intl

Wed 11/12

7:01 am-2:07 pm

1 stop8h 06m

$217

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Mon 10/20

6:47 pm-12:12 am

1 stop4h 25m

Washington, D.C. Dulles Intl

Tue 10/21

6:00 am-11:31 am

1 stop6h 31m

$217

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Thu 11/6

5:55 am-2:36 pm

1 stop7h 41m

Washington, D.C. Dulles Intl

Tue 11/11

7:01 am-11:13 am

1 stop5h 12m

$217

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Wed 10/15

5:55 am-2:38 pm

1 stop7h 43m

Washington, D.C. Dulles Intl

Mon 10/20

7:35 pm-11:52 pm

1 stop5h 17m

$217

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Wed 10/1

5:47 pm-9:25 pm

Nonstop2h 38m

Washington, D.C. Dulles Intl

Sun 10/5

8:20 am-2:20 pm

1 stop7h 00m

$244

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Sat 11/8

9:58 am-5:30 pm

1 stop6h 32m

Washington, D.C. Dulles Intl

Sat 11/15

1:00 pm-2:59 pm

Nonstop2h 59m

$246

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Tue 11/11

9:58 am-5:30 pm

1 stop6h 32m

Washington, D.C. Dulles Intl

Thu 11/13

6:30 am-10:40 am

1 stop5h 10m

$253

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Thu 10/9

7:30 am-1:51 pm

1 stop5h 21m

Washington, D.C. Dulles Intl

Sat 10/18

5:15 pm-9:45 pm

1 stop5h 30m

$253

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 20 results
1
2

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

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Kansas City to Washington, D.C. Dulles Intl Airport trip
Airports
MCI

MCI's central security checkpoint has 16 lanes, ensuring quick passage even during busy times. Expect minimal wait times without TSA PreCheck.

Read more about MCIby Matt Meltzer
IAD

The Washington Metro Silver line reaches IAD in under 40 minutes, offering a cheap and efficient way to get to the city.

Read more about IADby Ramsey Qubein
Our travel experts
Matt Meltzer

Matt Meltzer

Expert on MCI

Matt Meltzer

Matt Meltzer

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

Ramsey Qubein

Ramsey Qubein

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

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

How far ahead should I book a flight from Kansas City to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Kansas City to Dulles Intl. Price data was last updated on August 29, 2025.

The best time to book flights from Kansas City to Washington, D.C. Dulles Intl Airport is 30 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Kansas City to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Kansas City to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 September 11, 2025.

It’s optimal to fly from Kansas City to Washington, D.C. Dulles Intl Airport in the morning. By choosing this option you can save up to 39% on the cost of your flight, compared to a flight at noon.

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 September 11, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines 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.

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
8.0
Very good

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 4 flights from Kansas City to Washington, D.C. Dulles Intl per day from 4 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 5h 39m. Fly via Delta to get the fastest option. There are 924 mi between Kansas City and Washington, D.C. Dulles Intl Airport.

  • 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 $216. Other airlines that can offer you cheap pricing are United Airlines, from $271, and American Airlines, from $279. Delta is currently priced 45% below the average price you’ll pay for this route.

  • 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 Copa Airlines (78%), United Airlines (75%) and Mesa Airlines (75%).

  • 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 $129. On average you can expect to pay $1,415. The most popular route, (Kansas City - Washington, D.C. Dulles Intl), can usually be booked for $133.

  • 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, August is the cheapest month in which you can book a flight from Kansas City to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Kansas City to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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
Woodbridge
Alexandria
Arlington
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
Dundalk
National Harbor

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Kansas City to Dulles Intl

Discover the top 4 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$216Average$294FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$271Average$430FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$279Average$389FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$308Average$379FlexibilityNo cancel feeOn-time63%

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