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Cheap flights from Kitchener / Waterloo to Washington Dulles

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Flight deals from Kitchener / Waterloo to Washington Dulles

Looking for a cheap last-minute deal or the best round-trip flight from Kitchener / Waterloo to Washington Dulles? Find the lowest prices on one-way and round-trip tickets right here.
Washington, D.C..C$509 per passenger.Departing Mon, Sep 15, returning Fri, Sep 19.Round-trip flight with Flair Airlines and WestJet.Outbound indirect flight with Flair Airlines, departing from Kitchener / Waterloo on Mon, Sep 15, arriving in Washington Dulles.Inbound indirect flight with WestJet, departing from Washington Dulles on Fri, Sep 19, arriving in Kitchener / Waterloo.Price includes taxes and charges.From C$509, select.
Washington, D.C..C$581 per passenger.Departing Fri, Oct 3, returning Fri, Oct 10.Round-trip flight with Flair Airlines and WestJet.Outbound indirect flight with Flair Airlines, departing from Kitchener / Waterloo on Fri, Oct 3, arriving in Washington Dulles.Inbound indirect flight with WestJet, departing from Washington Dulles on Fri, Oct 10, arriving in Kitchener / Waterloo.Price includes taxes and charges.From C$581, select.
Washington, D.C..C$748 per passenger.Departing Fri, Aug 29, returning Mon, Sep 1.Round-trip flight with Flair Airlines and WestJet.Outbound indirect flight with Flair Airlines, departing from Kitchener / Waterloo on Fri, Aug 29, arriving in Washington Dulles.Inbound indirect flight with WestJet, departing from Washington Dulles on Mon, Sep 1, arriving in Kitchener / Waterloo.Price includes taxes and charges.From C$748, select.
Washington, D.C..C$749 per passenger.Departing Mon, Aug 11, returning Fri, Aug 15.Round-trip flight with Flair Airlines and WestJet.Outbound indirect flight with Flair Airlines, departing from Kitchener / Waterloo on Mon, Aug 11, arriving in Washington Dulles.Inbound indirect flight with WestJet, departing from Washington Dulles on Fri, Aug 15, arriving in Kitchener / Waterloo.Price includes taxes and charges.From C$749, select.
Washington, D.C..C$757 per passenger.Departing Fri, Jul 25, returning Mon, Jul 28.Round-trip flight with WestJet.Outbound indirect flight with WestJet, departing from Kitchener / Waterloo on Fri, Jul 25, arriving in Washington Dulles.Inbound indirect flight with WestJet, departing from Washington Dulles on Mon, Jul 28, arriving in Kitchener / Waterloo.Price includes taxes and charges.From C$757, select.
Washington, D.C..C$798 per passenger.Departing Sun, Jul 13, returning Mon, Aug 4.Round-trip flight with Flair Airlines and WestJet.Outbound indirect flight with Flair Airlines, departing from Kitchener / Waterloo on Sun, Jul 13, arriving in Washington Dulles.Inbound indirect flight with WestJet, departing from Washington Dulles on Mon, Aug 4, arriving in Kitchener / Waterloo.Price includes taxes and charges.From C$798, select.
Washington, D.C..C$1,047 per passenger.Departing Fri, Jun 6, returning Mon, Jun 23.Round-trip flight with WestJet.Outbound indirect flight with WestJet, departing from Kitchener / Waterloo on Fri, Jun 6, arriving in Washington Dulles.Inbound indirect flight with WestJet, departing from Washington Dulles on Mon, Jun 23, arriving in Kitchener / Waterloo.Price includes taxes and charges.From C$1,047, select.
Washington, D.C..C$1,056 per passenger.Departing Fri, Jun 27, returning Wed, Jul 2.Round-trip flight with WestJet and Sun Country Airlines.Outbound indirect flight with WestJet, departing from Kitchener / Waterloo on Fri, Jun 27, arriving in Washington Dulles.Inbound indirect flight with Sun Country Airlines, departing from Washington Dulles on Wed, Jul 2, arriving in Kitchener / Waterloo.Price includes taxes and charges.From C$1,056, select.

Find the cheapest month to fly from Kitchener / Waterloo to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Kitchener / Waterloo to Washington Dulles flights are currently cheapest in September.
May
from C$1,204
Jun
from C$1,047
Jul
from C$757
Aug
from C$749
Sep
from C$509
Oct
from C$581
Nov
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Dec
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Jan
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Feb
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Mar
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Apr
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Kitchener / Waterloo to Washington Dulles: Alternative routes

Compare routes from Kitchener / Waterloo to Washington, D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Washington Dulles.

Toronto to Washington, D.C.: Flight information

The things to know before you go.
Cheapest flight foundC$509
Cheapest month to flySeptember

Finding cheap flights from Kitchener / Waterloo to Washington Dulles: Frequently asked questions

The best price we found for a round-trip flight from Kitchener / Waterloo to Washington Dulles is C$509. 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.
Currently, there are no airlines that fly direct from Kitchener / Waterloo to Washington Dulles. But we found flights with one or more stops from C$509.
There are no flights flying from Kitchener / Waterloo to Washington Dulles, as of May 2025.
The cheapest month to fly from Kitchener / Waterloo to Washington Dulles is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kitchener / Waterloo Airport to Washington Dulles Airport on Monday, September 15, 2025.
No airlines currently offer direct flights between Kitchener / Waterloo Airport and Washington Dulles Airport. Most routes have one or more stops.
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, Flair Airlines offers the cheapest flight tickets to Washington Dulles.

Travelling from Region of Waterloo International Airport (YKF) to Washington Dulles International Airport (IAD): what you need to know

  • Toronto and Washington DC share the UTC-4 timezone. This means there's no time difference to consider.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Be at the airport with enough time to catch your YKF to IAD flight.

  • Travelling during a peak month such as August? Public holidays and other high seasons can mean longer lines at airport checkpoints. Play it safe and arrive up to four hours before international flights and two hours before domestic departures.

How to find the cheapest flights from Region of Waterloo International Airport (YKF) to Washington Dulles International Airport (IAD)

  • C$300 is currently the lowest price for a one-way Region of Waterloo International Airport to Washington Dulles International Airport flight. A return flight starts from C$509. These fares may change depending on availability and demand.

  • It's usually smart to book early if you want to get cheap tickets from YKF to IAD. That's because airlines change prices based on demand, which tends to rise closer to the date of departure.

  • Getting cheap flights from Region of Waterloo International Airport to Washington Dulles International Airport is more likely if you can be flexible with your dates. Use the 'Whole month' tool to see the lowest fares across each month and bag a great deal.

  • There's no need to check every day to find out if fares have dropped when you set up a Price Alert. We'll update you as soon as a special offer becomes available on cheap flights from YKF to IAD.

  • Tailor your trip with filters. Select your ideal arrival and departure times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Region of Waterloo International Airport to Washington Dulles International Airport.

Handy information about Region of Waterloo International Airport (YKF)

  • When it comes to Region of Waterloo International Airport's on-time performance, 63.64% of flights meet their scheduled arrival time.

  • Central Toronto to Region of Waterloo International Airport is around 105 kilometres. Depending on traffic, it'll take you about 1 hour 15 minutes to get there if you're catching a cab, ride-sharing or driving.

  • Expect a trip time of around 4 hours 5 minutes on public transport.

  • Need a handy hotel near YKF? If you're boarding an early flight from Region of Waterloo International Airport to Washington Dulles International Airport, these stays will have you moments from your departure gate:

Arriving at Washington Dulles International Airport (IAD)

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

  • The address for IAD is 1 Saarinen Circle.

  • From Washington Dulles International Airport, Washington DC is approximately 56 kilometres away. It takes around 50 minutes to reach the centre by car.

  • Travelling by public transport takes roughly 3 hours 25 minutes.

When to fly to Washington Dulles International Airport (IAD)

  • It's time to pick your dates for your flight from Region of Waterloo International Airport to Washington Dulles International Airport. April is the most popular month to head to Washington DC. If you're after a more low-key vibe, go in January.

  • The warmest month in Washington DC is July, with temperatures ranging between 19ºC (66ºF) and 33ºC (91ºF). Lock in your flights from Region of Waterloo International Airport to Washington Dulles International Airport in this month if this is the type of weather you enjoy.

  • Look for cheap tickets from YKF to IAD in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between -6ºC (21ºF) and 10ºC (50ºF) on average.

Explore more of United States

  • Washington DC is always a good idea, but there are so many other parts of United States waiting to be discovered. Around 322 kilometres north-east of Washington DC, a visit to New York will keep you busy. Check out popular attractions like Statue of Liberty, Central Park and Empire State Building.

  • Philadelphia is another essential stop 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.

More travel options

Plan the rest of your trip from Toronto to Washington, D.C.

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