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C$361 Cheap Flights from Kitchener / Waterloo (YKF) to Washington Dulles (IAD)

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      Travellers and cabin class, 1 Adult, Economy

      Compare Kitchener / Waterloo to Washington Dulles flight deals

      Find the cheapest month or even day of the year to fly to Washington Dulles

      Book the best Washington Dulles fare with no extra fees

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      Flight deals from Kitchener / Waterloo to Washington Dulles

      Looking for a cheap last-minute deal or the best return flight from Kitchener / Waterloo Airport to Washington Dulles Airport? If you want to travel next month, return fares start from C$774. Find the lowest prices on one-way and return tickets right here.
      Washington D.C..C$361 per passenger.Departing Thu., Aug. 27.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Kitchener / Waterloo on Thu., Aug. 27, arriving in Washington Dulles.Price includes taxes and charges.From C$361, select.
      Washington D.C..C$410 per passenger.Departing Thu., Sep. 3.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Kitchener / Waterloo on Thu., Sep. 3, arriving in Washington Dulles.Price includes taxes and charges.From C$410, select.
      Washington D.C..C$517 per passenger.Departing Tue., Jul. 21.One-way flight with Flair Airlines.Outbound indirect flight with Flair Airlines, departs from Kitchener / Waterloo on Tue., Jul. 21, arriving in Washington Dulles.Price includes taxes and charges.From C$517, select.
      Washington D.C..C$727 per passenger.Departing Thu., Nov. 19.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Kitchener / Waterloo on Thu., Nov. 19, arriving in Washington Dulles.Price includes taxes and charges.From C$727, select.
      Washington D.C..C$732 per passenger.Departing Thu., Dec. 10.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Kitchener / Waterloo on Thu., Dec. 10, arriving in Washington Dulles.Price includes taxes and charges.From C$732, select.
      Washington D.C..C$878 per passenger.Departing Thu., Oct. 1.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Kitchener / Waterloo on Thu., Oct. 1, arriving in Washington Dulles.Price includes taxes and charges.From C$878, 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 August.
      Jul.
      from C$517
      Aug.
      from C$361
      Sep.
      from C$410
      Oct.
      from C$878
      Nov.
      from C$727
      Dec.
      from C$732
      Jan.
      Find prices
      Feb.
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      Mar.
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      Apr.
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      May
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      Jun.
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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.

      Washington Ronald Reagan

      5km from central Washington D.C.
      Closest
      from C$494
      Search flights

      Washington Dulles

      37km from central Washington D.C.
      Cheapest
      from C$361
      Search flights

      Baltimore Washington International

      44km from central Washington D.C.
      from C$424
      Search flights

      Toronto to Washington D.C.: Flight information

      The things to know before you go.
      Cheapest flight foundC$361
      Cheapest month to flyAugust

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

      The best price we found for a return flight from Kitchener / Waterloo to Washington Dulles is C$774. 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$774.
      As of July 2026, there are no flights flying from Kitchener / Waterloo to Washington Dulles.
      The cheapest month to fly from Kitchener / Waterloo to Washington Dulles is usually August.
      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 Thursday, August 27, 2026.
      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, WestJet offers the cheapest flight tickets to Washington Dulles.

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

      • If you're traveling during a popular month like August, arrive at the terminal even earlier. You'll want to arrive up to four hours before an international flight and two hours ahead of domestic departures. Expect lines to be longer during peak periods like Christmas, New Year and spring break.

      • Don't forget, you may need a visa to enter United States. Visa regulations can vary and travel documentation requirements are constantly changing. Before booking your cheap ticket from YKF to IAD, check with your airline and your destination country's local embassy or consulate for up-to-date information.

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

      • The lowest price we've found for a one-way ticket from Region of Waterloo International Airport to Washington Dulles International Airport is C$361. For a return flight on this route, the best price is C$774. Depending on the availability and when you book, these fares can change.

      • Don't wait until the last minute. You're more likely to find cheap flight tickets from YKF to IAD if you book in advance. Airlines often have some amazing early bird rates.

      • Getting cheap flight tickets from Region of Waterloo International Airport to Washington Dulles International Airport is easy if you're flexible with your trip dates. Use the 'Whole month' search function to see the lowest fares throughout the month and bag a great deal.

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

      • Use filters to tailor your flights from Region of Waterloo International Airport to Washington Dulles International Airport. Simply enter your preferred arrival and departure times, airlines and number of stops. Or sort your results by 'Cheapest' to find the best deals.

      Handy information about Region of Waterloo International Airport (YKF)

      • Located around 105 kilometres from the center of Toronto, Region of Waterloo International Airport can be reached in about 1 hour and 13 minutes by car (depending on traffic). The ride on public transport takes roughly 4 hours and 5 minutes.

      • Need a convenient hotel close to YKF? If you've booked an early flight from Region of Waterloo International Airport to Washington Dulles International Airport, these accommodation options will put you moments from your check-in counter:

      Arriving at Washington Dulles International Airport (IAD)

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

      • Washington Dulles International Airport to the center of Washington DC is about 51 minutes by car. It's approximately 56 kilometres away. Discover what options are available, such as cabs, car rentals or ride-sharing.

      • Getting there by public transport takes around 3 hours and 26 minutes.

      When to fly to Washington Dulles International Airport (IAD)

      • The quietest month for a flight from Region of Waterloo International Airport to Washington Dulles International Airport is February, while July is the busiest. Pick the best time to go to Washington DC based on whether you prefer a bustling atmosphere or a more laid-back vibe.

      • The warmest month in Washington DC is July, with temperatures ranging between 19ºC and 33ºC. Book your flights from Region of Waterloo International Airport to Washington Dulles International Airport in this month if you like this kind of weather.

      • January has average temperatures of between -6ºC and 10ºC. Look for cheap flight tickets from YKF to IAD sometime then if you'd rather travel in cooler conditions.

      More about Washington DC

      • After booking your flights from YKF to IAD, you'll need to find somewhere to stay in Washington DC. Make one of these options your base for exploring this top destination:

      • White House Historical Association and The White House are a couple of major attractions to put on your Washington DC to-do list. Continue your sightseeing adventures at National Mall.

      • Ronald Reagan National Airport (DCA) and Baltimore/Wash International Thurgood Marshall Airport (BWI) are alternative ways to travel to or from Washington DC. Check out the flight schedules and fares. These international airports may be an easier or cheaper option depending on your travel plans.

      Complete your Washington DC trip with hotels and a car rental

      • Once you've secured your cheap ticket to Washington Dulles International Airport, browse our low prices and exclusive rates for hotels. You can also compare a range of car rental companies in one go to find the best car rental price for your Washington DC escape.

      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 12 days.