HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$97+ 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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — IAD
Mar 2 — Mar 91
Sun 3/2
Sun 3/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kansas City to Dulles Intl with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Kansas City to Washington, D.C. Dulles Intl are usually found in September or January, booked 63 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

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 February 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$313
(Southwest)

One-way from

$97
(Mytrip)

Popular in

June

Cheapest in

September

Average price

$418
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. 2% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

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 February 25, 2025.

This Delta deal was found by Cheapflights users on 2/23. 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.
Mon 3/104:27 pmMCI - IAD
1 stop7h 01mDelta
Tue 3/116:00 amIAD - MCI
1 stop4h 52mDelta
Deal found 2/23$321
This United Airlines deal was found by Cheapflights users on 2/24. 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 3/2612:15 pmMCI - IAD
Nonstop2h 26mUnited Airlines
Wed 4/26:38 pmIAD - MCI
Nonstop2h 54mUnited Airlines
Deal found 2/24$339
This American Airlines deal was found by Cheapflights users on 2/23. 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.
Wed 3/263:55 pmMCI - IAD
1 stop7h 03mAmerican Airlines
Sun 3/306:27 amIAD - MCI
1 stop5h 57mAmerican Airlines
Deal found 2/23$345
This Mytrip deal was found by Cheapflights users on 2/23. 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.
Wed 4/25:12 pmMCI - IAD
2 stops24h 23mMultiple Airlines
Fri 4/412:55 pmIAD - MCI
3 stops28h 22mMultiple Airlines
Deal found 2/23$377
This Southwest deal was found by Cheapflights users on 2/24. 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.
Wed 3/265:35 amMCI - IAD
2 stops10h 05mSouthwest
Wed 4/27:05 amIAD - MCI
1 stop7h 45mSouthwest
Deal found 2/24$432

Find flights from Kansas City to Dulles Intl within your budget

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 February 25, 2025.

Fly from

Kansas City

Fly to

Dulles Intl

Route

Depart

Return

Price

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Mon 3/10

5:35 am-12:53 pm

1 stop6h 18m

Washington, D.C. Dulles Intl

Mon 3/10

5:14 pm-9:44 pm

1 stop5h 30m

$321

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Wed 3/26

12:15 pm-3:41 pm

Nonstop2h 26m

Washington, D.C. Dulles Intl

Wed 4/2

6:38 pm-8:32 pm

Nonstop2h 54m

$339

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Wed 3/26

3:55 pm-11:58 pm

1 stop7h 03m

Washington, D.C. Dulles Intl

Sun 3/30

6:27 am-11:24 am

1 stop5h 57m

$345

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Wed 4/2

5:12 pm-6:35 pm

2 stops24h 23m

Washington, D.C. Dulles Intl

Fri 4/4

12:55 pm-4:17 pm

3 stops28h 22m

$377

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Wed 3/26

5:35 am-4:40 pm

2 stops10h 05m

Washington, D.C. Dulles Intl

Wed 4/2

7:05 am-1:50 pm

1 stop7h 45m

$432

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Sun 4/6

9:10 am-9:17 am

1 stop23h 07m

$97

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Tue 4/8

1:25 pm-10:35 pm

1 stop8h 10m

$133

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Thu 5/29

5:45 pm-9:20 pm

Nonstop2h 35m

$140

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Sun 4/20

8:30 am-10:43 am

1 stop25h 13m

$148

Kansas CityWashington, D.C.

MCI - IAD

MCIIAD

Kansas City

Wed 5/28

5:26 pm-11:35 pm

1 stop5h 09m

$150

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/25

Showing 1-10 of 13 results
1
2

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
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.

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.

Travel insights for flights from Kansas City to Dulles Intl

Get recent, data-driven insights about flights from Kansas City to Dulles Intl including ideal travel times, pricing trends, and more.

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 February 25, 2025.

The best time to book flights from Kansas City to Washington, D.C. Dulles Intl Airport is 63 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 $389). 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 February 25, 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 37% on the cost of your flight, compared to a flight at noon.

Weekly flight availability from Kansas City to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Kansas City to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 25, 2025.

The most flights from MCI to IAD are scheduled on a Tuesday (7 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (3 on average).

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 February 25, 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.
Southwest
8.1
Very good
4,374 reviews

Crew

8.7

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Southwest
8.1
Very good
4,374 reviews
Southwest
8.1
Very good
4,374 reviews

Crew

8.7

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Alaska Airlines
8.0
Very good
9,713 reviews
Southwest
8.1
Very good
4,374 reviews

Crew

8.7

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Delta
8.0
Very good
8,163 reviews
Southwest
8.1
Very good
4,374 reviews

Crew

8.7

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

United Airlines
7.4
Good
8,734 reviews
Southwest
8.1
Very good
4,374 reviews

Crew

8.7

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Allegiant Air
7.3
Good
759 reviews
Southwest
8.1
Very good
4,374 reviews

Crew

8.7

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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 6 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 $313. Other airlines that can offer you cheap pricing are Delta, from $321, and United Airlines, from $339. Southwest is currently priced 21% 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 $97. However, be on the lookout for offers from Southwest 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 Copa Airlines (84%), Avianca (83%) and Brussels Airlines (77%).

  • 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 $172. On average you can expect to pay $1,555. The most popular route, (Kansas City - Washington, D.C. Dulles Intl), can usually be booked for $321.

  • 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 $389). 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
Alexandria
Fairfax
Tysons
Springfield
Rockville
Fredericksburg
Gaithersburg
Silver Spring
Linthicum Heights
Laurel
Falls Church
Woodbridge
Easton
Herndon
Sterling
Bowie
Reston
Gettysburg
National Harbor

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 February 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$195Average$340FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$226Average$339FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$274Average$420FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.