Find flights
When to book
Airlines
FAQs

Cheap flights from Toronto Region of Waterloo Intl Airport to Washington from C$ 195

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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
YKF — SEA
4 Mar — 11 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Region of Waterloo Intl to Washington

Enter your travel dates to find the best prices.

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 2 February 2026.

Thu 9/46:20 a.m.
YKF
-
SEA
1 stop10h 59m
WestJet
Wed 15/43:10 p.m.
SEA
-
YKF
1 stop11h 19m
WestJet
Deal found 1/2C$ 359
Thu 23/46:20 a.m.
YKF
-
SEA
1 stop10h 59m
WestJet
Tue 12/57:35 p.m.
SEA
-
YKF
1 stop21h 15m
WestJet
Deal found 1/2C$ 362
Sun 24/58:40 p.m.
YKF
-
SEA
1 stop16h 00m
WestJet
Thu 28/57:35 p.m.
SEA
-
YKF
1 stop21h 15m
WestJet
Deal found 1/2C$ 393
Tue 16/68:40 p.m.
YKF
-
PDX
1 stop20h 10m
WestJet
Sat 20/62:30 p.m.
PDX
-
YKF
1 stop26h 20m
WestJet
Deal found 1/2C$ 477
Tue 17/36:20 a.m.
YKF
-
SEA
1 stop10h 59m
WestJet
Wed 25/33:10 p.m.
SEA
-
YKF
1 stop11h 19m
WestJet
Deal found 1/2C$ 509
Tue 24/36:20 a.m.
YKF
-
SEA
1 stop10h 59m
WestJet
Wed 25/33:10 p.m.
SEA
-
YKF
1 stop11h 19m
WestJet
Deal found 2/2C$ 511
Thu 4/68:40 p.m.
YKF
-
PDX
1 stop20h 10m
WestJet
Mon 8/62:30 p.m.
PDX
-
YKF
1 stop26h 20m
WestJet
Deal found 2/2C$ 516
Fri 29/58:40 p.m.
YKF
-
SEA
1 stop25h 05m
WestJet
Mon 1/67:35 p.m.
SEA
-
YKF
1 stop21h 15m
WestJet
Deal found 1/2C$ 531
Mon 6/46:20 a.m.
YKF
-
SEA
1 stop10h 59m
WestJet
Mon 13/411:55 a.m.
SEA
-
YKF
2 stops14h 34m
WestJet
Deal found 1/2C$ 537
Thu 26/36:20 a.m.
YKF
-
SEA
1 stop10h 59m
WestJet
Sun 29/33:10 p.m.
SEA
-
YKF
1 stop11h 19m
WestJet
Deal found 30/1C$ 553
Mon 2/36:20 a.m.
YKF
-
SEA
1 stop10h 59m
WestJet
Mon 9/33:10 p.m.
SEA
-
YKF
1 stop11h 19m
WestJet
Deal found 2/2C$ 574
Sun 1/37:05 a.m.
YKF
-
SEA
2 stops30h 20m
Multiple Airlines
Sun 8/33:10 p.m.
SEA
-
YKF
1 stop11h 19m
Multiple Airlines
Deal found 31/1C$ 587

Find 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 2 February 2026.

Round-trip from

C$ 359

One-way from

C$ 195

Popular in

June

Cheapest in

February

Average price

C$ 356
WestJet
  • WestJet
  • 9/4-15/4
  • 2 total stops
  • 22h 18m total
  • Toronto to Washington
Search Deals
WestJet
  • WestJet
  • 7/4
  • 1 total stop
  • 10h 59m total
  • Toronto to Washington
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 63 potential increase over avg. RT price).
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 February 2026
Search Deals

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 2 February 2026.
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

Thu 9/4

6:20 a.m.-2:19 p.m.

1 stop10h 59m

Seattle/Tacoma Intl

Wed 15/4

3:10 p.m.-5:29 a.m.

1 stop11h 19m

C$ 359

TorontoSeattle

YKF - SEA

YKFSEA

Toronto Region of Waterloo Intl

Thu 23/4

6:20 a.m.-2:19 p.m.

1 stop10h 59m

Seattle/Tacoma Intl

Tue 12/5

7:35 p.m.-7:50 p.m.

1 stop21h 15m

C$ 362

TorontoSeattle

YKF - SEA

YKFSEA

Toronto Region of Waterloo Intl

Fri 5/6

8:40 p.m.-9:40 a.m.

1 stop16h 00m

Seattle/Tacoma Intl

Sun 7/6

7:35 p.m.-7:50 p.m.

1 stop21h 15m

C$ 362

TorontoSeattle

YKF - SEA

YKFSEA

Toronto Region of Waterloo Intl

Sun 24/5

8:40 p.m.-9:40 a.m.

1 stop16h 00m

Seattle/Tacoma Intl

Thu 28/5

7:35 p.m.-7:50 p.m.

1 stop21h 15m

C$ 393

TorontoPortland

YKF - PDX

YKFPDX

Toronto Region of Waterloo Intl

Tue 16/6

8:40 p.m.-1:50 p.m.

1 stop20h 10m

Portland

Sat 20/6

2:30 p.m.-7:50 p.m.

1 stop26h 20m

C$ 477

TorontoSeattle

YKF - SEA

YKFSEA

Toronto Region of Waterloo Intl

Tue 17/3

6:20 a.m.-2:19 p.m.

1 stop10h 59m

Seattle/Tacoma Intl

Wed 25/3

3:10 p.m.-5:29 a.m.

1 stop11h 19m

C$ 509

TorontoPortland

YKF - PDX

YKFPDX

Toronto Region of Waterloo Intl

Thu 4/6

8:40 p.m.-1:50 p.m.

1 stop20h 10m

Portland

Mon 8/6

2:30 p.m.-7:50 p.m.

1 stop26h 20m

C$ 516

TorontoSeattle

YKF - SEA

YKFSEA

Toronto Region of Waterloo Intl

Fri 29/5

8:40 p.m.-6:45 p.m.

1 stop25h 05m

Seattle/Tacoma Intl

Mon 1/6

7:35 p.m.-7:50 p.m.

1 stop21h 15m

C$ 531

TorontoSeattle

YKF - SEA

YKFSEA

Toronto Region of Waterloo Intl

Mon 6/4

6:20 a.m.-2:19 p.m.

1 stop10h 59m

Seattle/Tacoma Intl

Mon 13/4

11:55 a.m.-5:29 a.m.

2 stops14h 34m

C$ 537

TorontoSeattle

YKF - SEA

YKFSEA

Toronto Region of Waterloo Intl

Thu 26/3

6:20 a.m.-2:19 p.m.

1 stop10h 59m

Seattle/Tacoma Intl

Sun 29/3

3:10 p.m.-5:29 a.m.

1 stop11h 19m

C$ 553

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/2

Showing 1-10 of 34 results
1
2
3
4

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
No data available for this route at this time. Please check back soon.

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 2 February 2026.
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
3,254 reviews
Check prices

Boarding

7.4

Food

6.2

Entertainment

6.1

Comfort

7.0

Overall

7.2

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
3,254 reviews
WestJet
7.2
Good
3,254 reviews
Check prices

Boarding

7.4

Food

6.2

Entertainment

6.1

Comfort

7.0

Overall

7.2

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.

  • How long is the flight from Toronto Region of Waterloo Intl Airport to State of Washington?

    Airlines like WestJet fly from Toronto Region of Waterloo Intl Airport to State of Washington in about 10h 59m. The time it takes to get you to your destination can typically vary by up to . There are 3257 km between Toronto Region of Waterloo Intl Airport and State of Washington.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Region of Waterloo Intl to Washington

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Miami flights
Pearson Intl to John F Kennedy Intl flights
Toronto Island to Newark flights
Pearson Intl to Newark flights
Pearson Intl to Las Vegas flights
Pearson Intl to Fort Lauderdale flights
Pearson Intl to LaGuardia flights
Pearson Intl to Los Angeles flights
Pearson Intl to Orlando flights
Pearson Intl to Tampa flights
Pearson Intl to Dallas/Fort Worth flights
Pearson Intl to San Francisco flights
Toronto Island to Fort Lauderdale flights
Pearson Intl to Seattle flights
Toronto Island to Orlando flights
Toronto Island to Miami flights
Pearson Intl to Hobby flights
Pearson Intl to Fort Myers flights
Pearson Intl to Sky Harbor Intl flights
Pearson Intl to O'Hare Intl flights
Pearson Intl to Boston flights
Pearson Intl to George Bush Intcntl flights
Toronto Island to Las Vegas flights
Pearson Intl to Nashville flights
Hamilton to Fort Lauderdale flights
Pearson Intl to West Palm Beach flights
Pearson Intl to Dulles Intl flights
Pearson Intl to Atlanta flights
Pearson Intl to Honolulu flights
Pearson Intl to San Diego flights
Toronto Island to Boston flights
Toronto Island to Tampa flights
Pearson Intl to Reagan-National flights
Pearson Intl to Midway flights
Toronto Island to John F Kennedy Intl flights
Pearson Intl to Ontario flights
Pearson Intl to Austin flights
Toronto Island to Midway flights
Toronto Island to Fort Myers flights
Pearson Intl to Denver flights
Toronto Island to LaGuardia flights
Toronto Island to Los Angeles flights
Pearson Intl to Philadelphia flights
Pearson Intl to Minneapolis flights
Hamilton to Orlando flights
Pearson Intl to New Orleans flights
Pearson Intl to Love Field flights
Pearson Intl to Palm Springs flights
Pearson Intl to Charlotte flights
Toronto Island to Sky Harbor Intl flights

Top airline flying from Region of Waterloo Intl to Washington

Discover the top airline 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 2 February 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 126AverageC$ 289FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Region of Waterloo Intl to Washington?

Cheapflights makes it easy to find Region of Waterloo Intl to Washington flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Region of Waterloo Intl to Washington?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Region of Waterloo Intl to Washington for you. Better yet — we are completely free to use.

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

Yes, we can. To see specific flights from Region of Waterloo Intl to Washington with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.