Cheap Flights from Kansas City International to Washington Dulles

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Flight deals from Kansas City International Airport to Washington Dulles Airport

Looking for a cheap last-minute deal or the best return flight from Kansas City International Airport to Washington Dulles Airport? If you want to travel next month, return fares start from R 4,203. Find the lowest prices on one-way and return 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 foundR 1,718
Cheapest month to flyMarch
Average flight time2 hrs, 32 mins
Most popular airlineUnited
Average flights per week70

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 R 3,955. 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 70 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 May.
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, 7 May 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.

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

  • The average length of a direct flight from Kansas City International Airport to Washington Dulles International Airport is 2 hours 30 minutes.

  • Washington DC's timezone is UTC-4, making Washington DC one hour ahead of Kansas City.

  • Flights from MCI to IAD start at 08:00 — the earliest with United Airlines. The last departure is at 17:45 with United Airlines. In total, there are 22 weekly Kansas City International Airport to Washington Dulles International Airport flights.

  • Give yourself enough time to make your MCI to IAD flight. It's generally best to arrive two hours before international departures and an hour ahead for domestic flights.

  • You can expect longer lines during popular months such as July. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a good idea.

  • Jetting into Washington DC (and then exploring more of United States!) is a snap with United Airlines. This popular carrier offers direct flights from Kansas City International Airport to Washington Dulles International Airport.

  • United Airlines is the most frequently booked airline on this route.

  • The most punctual carrier that operates MCI to IAD flights is United Airlines. Its services arrive as planned 72.45% of the time.

  • If you'd like to break up your flight, just deselect 'Direct flights only' when searching for your ticket from Kansas City International Airport to Washington Dulles International Airport. Here are the top stopovers between MCI and IAD:

    • Nashville International Airport

    • Indianapolis International Airport

    • Lambert-St. Louis International Airport

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

  • R 1,718 is currently the best price for a one-way Kansas City International Airport to Washington Dulles International Airport flight. A return flight starts from R 3,955. These prices may change based on demand and availability.

  • To get cheap tickets from MCI to IAD, book your trip eight months ahead of your departure.

  • The cheapest month for flights from Kansas City International Airport to Washington Dulles International Airport is July. Use the 'Whole month' tool to see the lowest airfares if you have flexible travel dates.

  • There's no need to check back in every day to see if fares have dropped when you set up a Price Alert. We'll notify you the moment the price changes on cheap flights from MCI to IAD.

  • Find the right flight for you by using the filters. To see the 'Cheapest,' 'Fastest' or 'Best' 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)

  • The address for MCI is 601 Brasilia Avenue.

  • Kansas City International Airport has an excellent on-time performance, reducing your chances of a delayed flight. Departures from MCI land at their destination as scheduled 81.34% of the time.

  • Kansas City International Airport is about 32 kilometres from central Kansas City. If you're driving, catching a cab or ride-sharing from the centre, it'll take 20 minutes or so to get there, depending on the traffic.

  • Planning to catch public transport? You can expect a journey time of around 1 hour 10 minutes.

  • Have an early flight from Kansas City International Airport to Washington Dulles International Airport? Avoid the hassle of rushing to the airport (and catch some extra z's) by picking one of these hotels close to MCI:

Arriving at Washington Dulles International Airport (IAD)

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

  • You'll find IAD at 1 Saarinen Circle.

  • Washington Dulles International Airport is approximately 56 kilometres from the centre of Washington DC. The drive time takes about 50 minutes.

  • It takes roughly 3 hours 25 minutes if you're travelling on public transport.

When to fly to Washington Dulles International Airport (IAD)

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

  • Before locking in your flight from Kansas City International Airport to Washington Dulles International Airport, think about the kind of weather you like. July is the warmest month in Washington DC, with temperatures ranging from 19ºC (66ºF) to 33ºC (91ºF).

  • For cooler conditions, search for a cheap ticket from MCI to IAD in January. Average temperatures are between -6ºC (21ºF) and 10ºC (50ºF) then.

Explore more of United States

  • New York is just one of the many cities in United States waiting to be explored once you've seen the sights of Washington DC. Around 322 kilometres away to the north-east, popular attractions include Statue of Liberty, Central Park and Empire State Building.

  • Philadelphia is another well-known destination in United States and is around 193 kilometres north-east of Washington DC. No journey is complete without experiencing Liberty Bell, Independence Hall and Philadelphia Museum of Art.

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