C$151 Cheap Flights from Kansas City International to Washington Dulles

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Flight deals from Kansas City International to Washington Dulles

Looking for a cheap last-minute deal or the best round-trip flight from Kansas City International to Washington Dulles? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Kansas City International to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Kansas City International to Washington Dulles flights are currently cheapest in March.

Direct flights from Kansas City International to Washington Dulles

Kansas City to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight foundC$151
Cheapest month to flyMarch
Average flight time2 hrs, 32 mins
Most popular airlineUnited
Average flights per week81

Finding cheap flights from Kansas City International to Washington Dulles: Frequently asked questions

The best price we found for a return flight from Kansas City International to Washington Dulles is C$228. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 32 minutes is the average flight time from Kansas City International to Washington Dulles.
United, Mesa Airlines and Copa fly direct from Kansas City International to Washington Dulles.
As of March 2026, there are 81 flights per week flying from Kansas City International to Washington Dulles.
The cheapest month to fly from Kansas City International to Washington Dulles is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kansas City International Airport to Washington Dulles Airport on Thursday, April 30, 2026.
Yes – the average flight time is 2 hours and 32 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington Dulles but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines and United offer the cheapest flight tickets to Washington Dulles.

Traveling from Kansas City International Airport (MCI) to Washington Dulles International Airport (IAD): what you need to know

  • A direct flight from Kansas City International Airport to Washington Dulles International Airport takes an average of 2 hours 31 minutes. The timezone in Washington DC is UTC-4, making it 1 hour ahead of Kansas City.

  • Choose from 22 weekly flights from Kansas City International Airport to Washington Dulles International Airport. The 08:00 departure with United Airlines is the earliest flight available between MCI and IAD. United Airlines operates the latest service of the day at 22:15 if you're not into early starts.

  • If you're going away during a peak month like July, head to the airport even earlier. It's wise to arrive up to four hours before an international flight and two hours ahead of a domestic departure. Expect lines to be longer during peak periods like spring break and summer.

  • Jetting into Washington DC (and seeing more of United States!) is easy with United Airlines. This popular carrier has direct flights from Kansas City International Airport to Washington Dulles International Airport.

  • We make it a breeze to get a flight with a stopover. To see all your options for flights from Kansas City International Airport to Washington Dulles International Airport, uncheck 'Direct flights only.' Then, choose a flight offering a stop long enough to tour your chosen city. Some popular stopovers between MCI and IAD include:

    • Lambert-St. Louis International Airport

    • Indianapolis International Airport

    • Nashville International Airport

  • For a flight within United States, you won't need a visa or passport. However, you'll have to show another form of identification, such as a driver's license or ID card. As soon as you've booked your cheap ticket from MCI to IAD, make sure your ID is up to date before you jet off.

How to find the cheapest flights from Kansas City International Airport (MCI) to Washington Dulles International Airport (IAD)

  • The lowest price we've seen for a one-way ticket from Kansas City International Airport to Washington Dulles International Airport is C$151. For a return flight on this route, the best price is C$228. Depending on the availability and when you book, these fares may change.

  • Book 11 months before traveling. After looking at the numbers on our calendar, this is how far you should book ahead to find cheap flight tickets from MCI to IAD.

  • July is the cheapest month for flight tickets from Kansas City International Airport to Washington Dulles International Airport. If you want to fly at a different time of year, the 'Whole month' tool will show you the lowest airfares across every month.

  • Log into your online account or use the app to create a Price Alert. You'll be notified straight away if there's a better deal on this route. It's easy to do, and it'll save you from checking for cheap flight tickets from MCI to IAD every day.

  • Use filters to find the best journey for you. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Kansas City International Airport to Washington Dulles International Airport, use the 'Sort by' tool. You can also filter by departure and arrival times, airline, and journey duration.

Handy information about Kansas City International Airport (MCI)

  • Located around 32 kilometres from central Kansas City, Kansas City International Airport can be reached in about 22 minutes by car, depending on traffic. The journey by public transport takes roughly 1 hour and 8 minutes.

  • After a convenient hotel near MCI? If you've booked an early flight from Kansas City International Airport to Washington Dulles International Airport, these stays will have you sleeping moments from check-in:

Arriving at Washington Dulles International Airport (IAD)

Getting from Washington Dulles International Airport (IAD) to central Washington DC

  • Washington Dulles International Airport to central Washington DC is about 51 minutes in a car. It's approximately 56 kilometres away. See what options are available, such as car rentals, cabs or ride-sharing.

  • It'll take around 3 hours and 26 minutes to get there by public transport.

When to fly to Washington Dulles International Airport (IAD)

  • It's time to choose your trip dates for your flight from Kansas City International Airport to Washington Dulles International Airport. July is the most popular month to visit Washington DC. If you like a more low-key vibe, go in February.

  • The warmest month in Washington DC is July, with the temperature ranging between 19ºC and 33ºC. Lock in your flights from Kansas City International Airport to Washington Dulles International Airport in this month if you enjoy this type of weather.

  • Look for cheap flight tickets from MCI to IAD in January if you like cooler conditions. Temperatures are at their lowest then, ranging between -6ºC and 10ºC on average.

More about Washington DC

  • When it comes to looking for somewhere to rest your head, you can find the most popular stays in Washington DC right here. Check out these options after locking in your flight from MCI to IAD:

  • White House Historical Association and The White House are just a couple of the big attractions to add to your Washington DC travel itinerary. Keep the adventure rolling by checking out National Mall.

  • There's more than one way to travel to and from Washington DC. Ronald Reagan National Airport (DCA) is another choice. Be sure to check out the range of flights offered at this domestic airport.

Complete your Washington DC trip with hotels and a car rental

  • You've locked in your cheap ticket to Washington Dulles International Airport — next up is finding a great place to stay, and perhaps even your own set of wheels. We've compared prices across hundreds of companies to bring you the best hotels and car rental deals in Washington DC.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.