How far in advance should I book a flight from State of Washington to Toronto Region of Waterloo Intl Airport?

Travelers have found it’s best to book a flight 28 days in advance to save up to 110% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 28 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from State of Washington to Toronto Region of Waterloo Intl Airport 1-2 weeks in advance for as low as $540, or $540 for flights within the next 24 hours.

What is the cheapest month to fly from State of Washington to Toronto Region of Waterloo Intl Airport?

Flights from State of Washington to Toronto Region of Waterloo Intl Airport lean towards being more expensive in April. Prices are generally better when you fly from State of Washington to Toronto Region of Waterloo Intl Airport in January, with the cheapest ticket starting at $128.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Washington to Region of Waterloo Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$139+ Flights from Washington to Toronto Region of Waterloo Intl Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Washington to Region of Waterloo Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Washington to Region of Waterloo Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$247 (Trip.com)
One-way from	$139 (WestJet)
Popular in	April
Cheapest in	January
Average price	$369

Provider with most accurate pricing for Seattle/Tacoma Intl-Toronto (YTO) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Toronto (YTO) flights.

Search Deals

From Washington to Toronto Region of Waterloo Intl

Search Deals

One-way flight from Washington to Toronto Region of Waterloo Intl

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($43 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Find flight deals from Washington to Region of Waterloo Intl

Cheapest flights from Washington to Region of Waterloo Intl
Explore the most affordable flight options available from Washington to Region of Waterloo Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

Tue 5/132:05 pmSEA - YKF

1 stop7h 41mWestJet

Tue 5/206:00 amYKF - SEA

1 stop9h 58mWestJet

Deal found 3/30

$247

Tue 4/2912:30 pmSEA - YKF

2 stops33h 16mMultiple Airlines

Tue 5/66:00 amYKF - SEA

1 stop9h 58mMultiple Airlines

Deal found 3/30

$253

Best flights from Washington to Region of Waterloo Intl
Discover carefully curated flight deals from Washington to Region of Waterloo Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 31, 2025.

Tue 5/132:05 pmSEA - YKF

1 stop7h 41mWestJet

Tue 5/206:00 amYKF - SEA

1 stop9h 58mWestJet

Deal found 3/30

$247

Tue 4/2912:30 pmSEA - YKF

2 stops33h 16mMultiple Airlines

Tue 5/66:00 amYKF - SEA

1 stop9h 58mMultiple Airlines

Deal found 3/30

$253

Last-minute flights from Washington to Region of Waterloo Intl
Discover last-minute flight deals from Washington to Region of Waterloo Intl. Data last updated March 31, 2025 and is based on user searches.

Wed 4/97:13 amSEA - YKF

2 stops15h 03mWestJet

Mon 4/146:30 amYKF - SEA

1 stop10h 51mWestJet

Deal found 3/30

$663

Thu 4/108:56 pmSEA - YKF

2 stops25h 20mMultiple Airlines

Mon 4/146:30 amYKF - SEA

1 stop10h 51mMultiple Airlines

Deal found 3/30

$484

Tue 4/2912:30 pmSEA - YKF

2 stops33h 16mMultiple Airlines

Tue 5/66:00 amYKF - SEA

1 stop9h 58mMultiple Airlines

Deal found 3/30

$253

Tue 4/292:05 pmSEA - YKF

1 stop7h 41mWestJet

Tue 5/66:00 amYKF - SEA

1 stop9h 58mWestJet

Deal found 3/30

$283

One-way flights from Washington to Region of Waterloo Intl
Search for one-way flight options from Washington to Region of Waterloo Intl. Find affordable one-way fares based on user searches. Data last updated March 31, 2025.

Tue 5/272:05 pmSEA - YKF

1 stop7h 41mWestJet

Deal found 3/31

$139

Thu 6/127:05 amSEA - YKF

2 stops33h 20mMultiple Airlines

Deal found 3/30

$162

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington to Toronto Region of Waterloo Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Tue 5/13

2:05 pm-12:46 am

1 stop7h 41m

Toronto Region of Waterloo Intl

Tue 5/20

6:00 am-12:58 pm

1 stop9h 58m

$247

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Tue 4/29

12:30 pm-12:46 am

2 stops33h 16m

Toronto Region of Waterloo Intl

Tue 5/6

6:00 am-12:58 pm

1 stop9h 58m

$253

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Tue 5/27

2:05 pm-12:46 am

1 stop7h 41m

$139

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Thu 6/12

7:05 am-7:25 pm

2 stops33h 20m

$162

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

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

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

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

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

Rainfall in Region of Waterloo Intl by month

In terms of precipitation, rainfall in Toronto Region of Waterloo Intl Airport ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Toronto Region of Waterloo Intl Airport when rainfall is around 2.0 in.

Temperature in Region of Waterloo Intl by month

If weather is an important factor for your trip to Toronto Region of Waterloo Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Region of Waterloo Intl

WestJet

7.2

Good

2,789 reviews

Reviews

1 / 20

10.0

Excellent

Sugith,Jan 2025

CUN - YYZ

On time departure. Good service on board. Comfort Plus seating was comfortable.

WestJet

7.2

Good

2,789 reviews

WestJet

7.2

Good

2,789 reviews

Reviews

1 / 20

10.0

Excellent

Sugith,Jan 2025

CUN - YYZ

On time departure. Good service on board. Comfort Plus seating was comfortable.

Related info for your journey

Can I find deals for flights from Washington to Region of Waterloo Intl that include hotel bookings?
Yes. In addition to deals on Washington to Region of Waterloo Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington to Region of Waterloo Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Region of Waterloo Intl.
Can I find deals for business class flights from Washington to Region of Waterloo Intl?
Yes. Cheapflights offers flight deals from Washington to Region of Waterloo Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Washington to Region of Waterloo Intl

Airline	Cheapest	Average	Flexibility	On-time
WestJet	Cheapest$295	Average$507	FlexibilityNo cancel fee	On-time60%

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.

$139+ Cheap flights from Washington to Region of Waterloo Intl (YKF)

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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington to Region of Waterloo Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Washington to Region of Waterloo Intl

Keep the following information in mind while searching for Washington to Region of Waterloo Intl flight deals. Data was last updated March 31, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Washington to Region of Waterloo Intl

Cheapest flights from Washington to Region of Waterloo IntlExplore the most affordable flight options available from Washington to Region of Waterloo Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

Explore the most affordable flight options available from Washington to Region of Waterloo Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington to Toronto Region of Waterloo Intl Airport that are best for you.

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

Have a flexible travel schedule? Discover the best time to fly to Region of Waterloo Intl from Washington with our price prediction graph.

Cheapflights Insights

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

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

Find hourly flight availability from Washington to Region of Waterloo Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 31, 2025.

Rainfall in Region of Waterloo Intl by month

Plan your trip to Region of Waterloo Intl by taking into account the average rainfall totals by month.

Temperature in Region of Waterloo Intl by month

Plan your trip to Region of Waterloo Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing Region of Waterloo Intl

Related info for your journey

Find useful and relevant information for your journey from Washington to Region of Waterloo Intl. 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 Washington to Region of Waterloo Intl that include hotel bookings?

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

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

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 Washington to Region of Waterloo Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Washington to Region of Waterloo Intl

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Washington to Region of Waterloo Intl
Explore the most affordable flight options available from Washington to Region of Waterloo Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.