Dulles Intl

$112+ 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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — IAD
Apr 2 — Apr 91
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1. Tell us where you want to go
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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 50 days in advance, depart on a Tuesday or Friday 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$299
(Delta)

One-way from

$112
(Mytrip)

Popular in

June

Cheapest in

September

Average price

$425
Provider with most accurate pricing for Kansas City-Washington, D.C. Dulles Intl flight deals.
Provider most trusted by Cheapflights users for Kansas City-Washington, D.C. Dulles Intl flights.
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. 2% potential increase in price ($12 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 March 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 March 28, 2025.

This Delta deal was found by Cheapflights users on 3/27. 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 5/75:35 pmMCI - IAD
1 stop4h 59mDelta
Thu 5/86:00 amIAD - MCI
1 stop6h 07mDelta
Deal found 3/27$299
This Frontier deal was found by Cheapflights users on 3/27. 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.
Wed 6/182:19 pmMCI - IAD
1 stop8h 44mFrontier
Mon 6/236:10 amIAD - MCI
1 stop8h 14mFrontier
Deal found 3/27$300
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/296:33 pmMCI - IAD
1 stop4h 29mAmerican Airlines
Tue 6/31:59 pmIAD - MCI
2 stops8h 51mAmerican Airlines
Deal found 3/27$304
This United Airlines deal was found by Cheapflights users on 3/27. 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 4/247:45 amMCI - IAD
1 stop5h 26mUnited Airlines
Sat 4/261:15 pmIAD - MCI
Nonstop2h 49mUnited Airlines
Deal found 3/27$309
This Mytrip deal was found by Cheapflights users on 3/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/305:35 amMCI - IAD
3 stops32h 09mMultiple Airlines
Sun 6/111:54 amIAD - MCI
1 stop23h 02mMultiple Airlines
Deal found 3/26$317
This Southwest deal was found by Cheapflights users on 3/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1912:45 pmMCI - IAD
1 stop8h 55mSouthwest
Wed 5/287:50 amIAD - MCI
1 stop6h 20mSouthwest
Deal found 3/27$368

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 March 28, 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

Wed 5/7

5:35 pm-11:34 pm

1 stop4h 59m

Washington, D.C. Dulles Intl

Thu 5/8

6:00 am-11:07 am

1 stop6h 07m

$299

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Wed 6/18

2:19 pm-12:03 am

1 stop8h 44m

Washington, D.C. Dulles Intl

Mon 6/23

6:10 am-1:24 pm

1 stop8h 14m

$300

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Thu 5/29

6:33 pm-12:02 am

1 stop4h 29m

Washington, D.C. Dulles Intl

Tue 6/3

1:59 pm-9:50 pm

2 stops8h 51m

$304

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Thu 4/24

7:45 am-2:11 pm

1 stop5h 26m

Washington, D.C. Dulles Intl

Sat 4/26

1:15 pm-3:04 pm

Nonstop2h 49m

$309

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Fri 5/30

5:35 am-2:44 pm

3 stops32h 09m

Washington, D.C. Dulles Intl

Sun 6/1

11:54 am-9:56 am

1 stop23h 02m

$317

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Mon 5/19

12:45 pm-10:40 pm

1 stop8h 55m

Washington, D.C. Dulles Intl

Wed 5/28

7:50 am-1:10 pm

1 stop6h 20m

$368

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Sun 4/13

9:50 am-9:17 am

1 stop22h 27m

$112

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Fri 5/30

3:02 pm-11:32 pm

1 stop7h 30m

$129

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Sat 5/3

8:25 pm-11:47 am

1 stop14h 22m

$133

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Tue 4/29

8:13 am-11:42 am

Nonstop2h 29m

$140

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 15 results
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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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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.

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 rarely has long waits, typically under 5 minutes, even without TSA PreCheck.

Read more about MCIby Matt Meltzer
IAD

From IAD, the Silver Line Metro reaches downtown in under 40 minutes, offering a cost-effective travel option.

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 March 21, 2025.

The best time to book flights from Kansas City to Washington, D.C. Dulles Intl Airport is 50 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 $309). Flying from Kansas City to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $385). 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 March 28, 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 38% on the cost of your flight, compared to a flight at noon.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 March 28, 2025.
Read through reviews of airlines operating flights from Kansas City to Washington, D.C., such as Southwest, Alaska Airlines and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.6

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Entertainment

7.6

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Entertainment

7.6

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
8.0
Very good

Entertainment

7.6

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Entertainment

7.6

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Entertainment

7.6

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 3 flights from Kansas City to Washington, D.C. Dulles Intl per day from 3 different airlines.

  • 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 $299. Other airlines that can offer you cheap pricing are Frontier, from $300, and American Airlines, from $304. Delta is currently priced 25% 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 Allegiant Air, with whom users have recently found tickets for as low as $112. However, be on the lookout for offers from Frontier and Sun Country Air, 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 Republic Airways (100%), United Airlines (92%) and Brussels Airlines (87%).

  • 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 $137. On average you can expect to pay $2,188. The most popular route, (Kansas City - Washington, D.C. Dulles Intl), can usually be booked for $279.

  • 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 $309). Flying from Kansas City to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $385). 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 Kansas City?

Book flights to Kansas City if you plan to visit one of these locations
Arlington
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Fairfax
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National Harbor
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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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$216Average$335FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$226Average$364FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$268Average$420FlexibilityNo cancel feeOn-time69%
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