How old do you have to be to fly from Toronto Region of Waterloo Intl Airport to Washington?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Toronto Region of Waterloo Intl Airport to Washington.

What documentation or ID do you need to fly to Washington?

The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

C$ 354 Cheap Flights from Toronto Region of Waterloo Intl Airport to State of Washington in 2026/27

Find the cheapest flights from Toronto Region of Waterloo Intl Airport to Washington

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 p.m. - 1:40 p.m.YKF Toronto Region of Waterloo Intl-SEA Seattle/Tacoma Intl

21h 40m1 stop Calgary

2:30 p.m. - 3:45 p.m.SEA Seattle/Tacoma Intl-YKF Toronto Region of Waterloo Intl

22h 15m1 stop Calgary

C$ 974Multiple Airlines

Thu, 10 Dec - Sun, 13 Dec

7:00 p.m. - 1:40 p.m.YKF Toronto Region of Waterloo Intl-SEA Seattle/Tacoma Intl

21h 40m1 stop Calgary

9:34 p.m. - 3:45 p.m.SEA Seattle/Tacoma Intl-YKF Toronto Region of Waterloo Intl

15h 11m2 stops Vancouver Intl Calgary

C$ 1,085Multiple Airlines

Thu, 10 Dec - Sun, 13 Dec

7:00 p.m. - 3:43 p.m.YKF Toronto Region of Waterloo Intl-SEA Seattle/Tacoma Intl

47h 43m3 stops Calgary Phoenix Sky Harbor Intl Denver Intl

1:36 p.m. - 3:45 p.m.SEA Seattle/Tacoma Intl-YKF Toronto Region of Waterloo Intl

23h 09m3 stops Los Angeles Edmonton Calgary

C$ 1,184Multiple Airlines

Thu, 10 Dec - Sun, 13 Dec

6:05 a.m. - 2:40 p.m.YKF Toronto Region of Waterloo Intl-SEA Seattle/Tacoma Intl

11h 35m1 stop Calgary

3:30 p.m. - 5:15 a.m.SEA Seattle/Tacoma Intl-YKF Toronto Region of Waterloo Intl

10h 45m1 stop Calgary

C$ 1,187Multiple Airlines

Thu, 8 Apr - Sun, 11 Apr

7:00 p.m. - 3:43 p.m.YKF Toronto Region of Waterloo Intl-SEA Seattle/Tacoma Intl

47h 43m3 stops Calgary Phoenix Sky Harbor Intl Denver Intl

9:40 p.m. - 3:45 p.m.SEA Seattle/Tacoma Intl-YKF Toronto Region of Waterloo Intl

15h 05m2 stops Vancouver Intl Calgary

C$ 1,255Multiple Airlines

Thu, 10 Dec - Sun, 13 Dec

7:00 p.m. - 8:45 a.m.YKF Toronto Region of Waterloo Intl-SEA Seattle/Tacoma Intl

16h 45m2 stops Calgary Vancouver Intl

9:40 p.m. - 3:45 p.m.SEA Seattle/Tacoma Intl-YKF Toronto Region of Waterloo Intl

15h 05m2 stops Vancouver Intl Calgary

C$ 1,489Multiple Airlines

Thu, 10 Dec - Sun, 13 Dec

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

momondo Fare Finder

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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoSeattle

YKF Toronto Region of Waterloo Intl - SEA Seattle/Tacoma Intl

YKFSEA

Toronto Region of Waterloo Intl

Thu 10/12

7:00 p.m.-1:40 p.m.

1 stop21h 40m

Seattle/Tacoma Intl

Sun 13/12

2:30 p.m.-3:45 p.m.

1 stop22h 15m

C$ 974

TorontoSeattle

YKF Toronto Region of Waterloo Intl - SEA Seattle/Tacoma Intl

YKFSEA

Toronto Region of Waterloo Intl

Thu 10/12

7:00 p.m.-1:40 p.m.

1 stop21h 40m

Seattle/Tacoma Intl

Sun 13/12

9:34 p.m.-3:45 p.m.

2 stops15h 11m

C$ 1,085

TorontoSeattle

YKF Toronto Region of Waterloo Intl - SEA Seattle/Tacoma Intl

YKFSEA

Toronto Region of Waterloo Intl

Thu 10/12

7:00 p.m.-3:43 p.m.

3 stops47h 43m

Seattle/Tacoma Intl

Sun 13/12

1:36 p.m.-3:45 p.m.

3 stops23h 09m

C$ 1,184

Quickest round-trip

TorontoSeattle

YKF Toronto Region of Waterloo Intl - SEA Seattle/Tacoma Intl

YKFSEA

Toronto Region of Waterloo Intl

Thu 8/4

6:05 a.m.-2:40 p.m.

1 stop11h 35m

Seattle/Tacoma Intl

Sun 11/4

3:30 p.m.-5:15 a.m.

1 stop10h 45m

C$ 1,187

TorontoSeattle

YKF Toronto Region of Waterloo Intl - SEA Seattle/Tacoma Intl

YKFSEA

Toronto Region of Waterloo Intl

Thu 10/12

7:00 p.m.-3:43 p.m.

3 stops47h 43m

Seattle/Tacoma Intl

Sun 13/12

9:40 p.m.-3:45 p.m.

2 stops15h 05m

C$ 1,255

TorontoSeattle

YKF Toronto Region of Waterloo Intl - SEA Seattle/Tacoma Intl

YKFSEA

Toronto Region of Waterloo Intl

Thu 10/12

7:00 p.m.-8:45 a.m.

2 stops16h 45m

Seattle/Tacoma Intl

Sun 13/12

9:40 p.m.-3:45 p.m.

2 stops15h 05m

C$ 1,489

Cheapest one-way

TorontoSeattle

YKF Toronto Region of Waterloo Intl - SEA Seattle/Tacoma Intl

YKFSEA

Toronto Region of Waterloo Intl

Mon 30/11

4:30 p.m.-1:40 p.m.

2 stops24h 10m

C$ 354

TorontoSeattle

YKF Toronto Region of Waterloo Intl - SEA Seattle/Tacoma Intl

YKFSEA

Toronto Region of Waterloo Intl

Mon 7/12

4:30 p.m.-1:40 p.m.

2 stops24h 10m

C$ 359

TorontoSeattle

YKF Toronto Region of Waterloo Intl - SEA Seattle/Tacoma Intl

YKFSEA

Toronto Region of Waterloo Intl

Mon 7/12

4:30 p.m.-1:40 p.m.

3 stops24h 10m

C$ 369

TorontoSeattle

YKF Toronto Region of Waterloo Intl - SEA Seattle/Tacoma Intl

YKFSEA

Toronto Region of Waterloo Intl

Thu 24/12

7:00 p.m.-9:09 a.m.

1 stop17h 09m

C$ 439

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

How to get the cheapest flight ticket from Toronto Region of Waterloo Intl Airport to State of Washington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Toronto Region of Waterloo Intl Airport to State of Washington flights?

You could potentially save up to 4% on your flight if you consider stops on a Toronto Region of Waterloo Intl Airport to State of Washington flight.

Cheap Toronto Region of Waterloo Intl Airport to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Toronto Region of Waterloo Intl Airport to State of Washington

Best price found	C$ 354
Fastest flight time	11h 35m
Direct flights	None

The best one-way flight to State of Washington from Toronto Region of Waterloo Intl Airport in the past 72 hours is C$ 354. The best round-trip flight deal from Toronto Region of Waterloo Intl Airport to State of Washington found on momondo in the last 72 hours is C$ 974.

The fastest flight from Toronto Region of Waterloo Intl Airport to State of Washington takes 11h 35m

There are no direct flights from Toronto Region of Waterloo Intl Airport to State of Washington. There are no popular flight routes from Toronto Region of Waterloo Intl Airport to State of Washington.

Search flight deals

Frequently asked questions about flying from Toronto Region of Waterloo Intl Airport to Washington

When did momondo last update prices for flights from Toronto Region of Waterloo Intl Airport to Washington?
Prices for flights from Toronto Region of Waterloo Intl Airport to Washington refresh daily.
How old do you have to be to fly from Toronto Region of Waterloo Intl Airport to Washington?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Toronto Region of Waterloo Intl Airport to Washington.
What documentation or ID do you need to fly to Washington?
The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Toronto to Washington?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Toronto to Washington. momondo saves you time and could save you money on your trip.

Can I find flights from Toronto to Washington with flexible booking policies on momondo?

Yes. All flights to Washington from Toronto on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Toronto to Washington?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington from Toronto.

I’m not ready to book a flight from Toronto to Washington right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Toronto to Washington flights. All you need is a valid email address and we will do the rest; it is that quick and easy.