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Cheap flights from Toronto Region of Waterloo Intl Airport to Washington from C$ 219

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
YKF — SEA
4 Aug — 11 Aug1
1 adult

Cheap flight deals from Region of Waterloo Intl to Washington

Keep the following information in mind while searching for Region of Waterloo Intl to Washington flight deals. Data was last updated 30 July 2025.

Round-trip from

C$ 366

One-way from

C$ 219

Popular in

December

Cheapest in

February

Average price

C$ 555
WestJet
  • WestJet
  • 22/8-28/8
  • 2 total stops
  • 17h 54m total
  • Toronto to Washington
Search Deals
5/10
  • 5/10
  • 1 total stop
  • 9h 18m total
  • Toronto to Washington
Search Deals
High demand for flights, 4% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from Region of Waterloo Intl to Washington

Cheapest flights from Region of Waterloo Intl to Washington
Explore the most affordable flight options available from Region of Waterloo Intl to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2025.

Fri 22/86:00 a.m.YKF - SEA
1 stop9h 58mWestJet
Thu 28/81:50 p.m.SEA - YKF
1 stop7h 56mWestJet
Deal found 29/7C$ 366
Fri 12/96:15 a.m.YKF - SEA
2 stops17h 14mMultiple Airlines
Fri 19/91:50 p.m.SEA - YKF
1 stop7h 55mMultiple Airlines
Deal found 29/7C$ 506
Tue 19/86:00 a.m.YKF - PDX
1 stop10h 04mWestJet
Tue 26/81:45 p.m.PDX - YKF
1 stop8h 01mWestJet
Deal found 29/7C$ 589
Fri 19/96:00 a.m.YKF - PDX
1 stop10h 05mMultiple Airlines
Mon 22/91:45 p.m.PDX - YKF
1 stop12h 30mMultiple Airlines
Deal found 30/7C$ 641

Cheapflights Fare Finder

 
Customize your flight search to find flights from Region of Waterloo Intl to Washington 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 629,999 searches. Data last updated 30 July 2025.
Use the filters below to find and compare flights from Toronto Region of Waterloo Intl Airport to Washington that are best for you.

Fly from

Region of Waterloo Intl

Fly to

Washington

Route

Depart

Return

Price

TorontoSeattle

YKF - SEA

YKFSEA

Toronto Region of Waterloo Intl

Fri 22/8

6:00 a.m.-12:58 p.m.

1 stop9h 58m

Seattle/Tacoma Intl

Thu 28/8

1:50 p.m.-12:46 a.m.

1 stop7h 56m

C$ 366

TorontoSeattle

YKF - SEA

YKFSEA

Toronto Region of Waterloo Intl

Fri 12/9

6:15 a.m.-8:29 p.m.

2 stops17h 14m

Seattle/Tacoma Intl

Fri 19/9

1:50 p.m.-12:45 a.m.

1 stop7h 55m

C$ 506

TorontoPortland

YKF - PDX

YKFPDX

Toronto Region of Waterloo Intl

Tue 19/8

6:00 a.m.-1:04 p.m.

1 stop10h 04m

Portland

Tue 26/8

1:45 p.m.-12:46 a.m.

1 stop8h 01m

C$ 589

TorontoPortland

YKF - PDX

YKFPDX

Toronto Region of Waterloo Intl

Fri 19/9

6:00 a.m.-1:05 p.m.

1 stop10h 05m

Portland

Mon 22/9

1:45 p.m.-5:15 a.m.

1 stop12h 30m

C$ 641

TorontoSeattle

YKF - SEA

YKFSEA

Toronto Region of Waterloo Intl

Sun 5/10

6:15 a.m.-12:33 p.m.

1 stop9h 18m

C$ 219

TorontoSeattle

YKF - SEA

YKFSEA

Toronto Region of Waterloo Intl

Sat 30/8

6:00 a.m.-4:16 p.m.

1 stop13h 16m

C$ 228

TorontoPortland

YKF - PDX

YKFPDX

Toronto Region of Waterloo Intl

Mon 22/9

6:00 a.m.-11:12 a.m.

2 stops32h 12m

C$ 320

TorontoPortland

YKF - PDX

YKFPDX

Toronto Region of Waterloo Intl

Thu 25/9

6:00 a.m.-1:05 p.m.

1 stop10h 05m

C$ 410

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/7

Best time to book a flight from Region of Waterloo Intl to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Region of Waterloo Intl 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.

Cheapflights Insights

Everything you need to know about your flight from Toronto Region of Waterloo Intl Airport to Washington

What is the cheapest time of day to fly from YKF to WA?

Find hourly flight availability from Region of Waterloo Intl to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 July 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Toronto Region of Waterloo Intl Airport to State of Washington as you normally would.

How much does it cost to fly round-trip from Toronto Region of Waterloo Intl Airport to State of Washington?

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated 30 July 2025.
See what other customers who have flown with WestJet from Toronto Region of Waterloo Intl Airport to Washington have to say. 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.
WestJet
7.2
Good
2,975 reviews
Check prices

Entertainment

6.1

Boarding

7.4

Overall

7.2

Food

6.2

Comfort

7.0

Crew

7.9

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight
WestJet
7.2
Good
2,975 reviews
WestJet
7.2
Good
2,975 reviews
Check prices

Entertainment

6.1

Boarding

7.4

Overall

7.2

Food

6.2

Comfort

7.0

Crew

7.9

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight

Related info for your journey

Find useful and relevant information for your journey from Region of Waterloo Intl to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Region of Waterloo Intl to Washington that include hotel bookings?

    Yes. In addition to deals on Region of Waterloo Intl to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Region of Waterloo Intl to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Region of Waterloo Intl to Washington.

  • Can I find deals for business class flights from Region of Waterloo Intl to Washington?

    Yes. Cheapflights offers flight deals from Region of Waterloo Intl to Washington 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 Toronto Region of Waterloo Intl Airport to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Toronto Region of Waterloo Intl Airport to State of Washington (average of C$ 262). Flying from Toronto Region of Waterloo Intl Airport to State of Washington in December is currently the most expensive (average of C$ 353). 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.

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Top 2 airlines flying from Region of Waterloo Intl to Washington

Discover the top 2 airlines that operate flights from Region of Waterloo Intl to Washington. 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 629,999 searches. Data last updated 30 July 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 182AverageC$ 307FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 377AverageC$ 392FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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Can Cheapflights find flights from Region of Waterloo Intl to Washington with no change fees?

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Can Cheapflights notify me if prices for flights from Region of Waterloo Intl to Washington become cheaper?

Yes, Cheapflights offers price alerts on Region of Waterloo Intl to Washington flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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