Cheap United flights from Seattle to Toronto (SEA to YYZ)

Find The Best Day To Fly from Seattle to Toronto

Amazing United SEA to YYZ Flight Deals

The cheapest flights to Pearson Intl. found within the past 7 days were $632 round trip and one way. Prices and availability subject to change. Additional terms may apply.

Fri, May 17 - Mon, May 20
SEA
Seattle
YYZ
Toronto
$632 Roundtrip, found 8 hours ago
$632
Roundtrip
found 8 hours ago
Select United flight, departing Fri, May 17 from Seattle to Toronto, returning Mon, May 20, priced at $632 found 8 hours ago

Frequently asked questions

Can I catch a flight from SEA to Pearson Intl. Airport (YYZ) right now?
It’s always wise to find out about any travel advice reports and quarantine requirements in effect in your destination city. Ensure you check out the Covid-19 Travel Advisor for up-to-date info on catching a flight to Pearson Intl. Airport (YYZ) from SEA.
What terminal is United Airlines at Sea-Tac Airport?
If you’re flying from Sea-Tac Airport to Toronto Pearson Airport, you’ll probably be exiting the plane at terminal 1. We can’t say for sure which terminal you’ll be departing from — it’s wise to consult your airline.
Are there United Airlines non-stop flights from SEA to YYZ?
Plan for at least one stopover when flying from Seattle - Tacoma Intl. Airport (SEA) to Toronto Pearson Airport, as United Airlines doesn’t offer any direct flights on this route. While in transit, you might like to buy a newspaper or an interesting magazine from the airport bookstore to make the time go quicker.
How long is a United Airlines flight from SEA to YYZ?
Lose yourself in a movie or two, listen to some music or just recline your seat and drift off. Whatever interests you, you’ll need to find a way to entertain yourself during the 5 hours and 36 minutes that it takes to journey from Sea-Tac Airport to Pearson Intl. Airport (YYZ) with United Airlines.
What type of aircraft does United Airlines fly from SEA to YYZ?
Secured a seat with United Airlines? You’ll likely be flying aboard the Airbus A220-300 airplane on the SEA to YYZ route.
How many direct and indirect flights does United Airlines fly from SEA to YYZ?
You can choose from about 4 flights per day with United Airlines from Sea-Tac Airport to YYZ.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Toronton Pearson, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best United flight from Seattle SEA to Toronto YYZ 

To find the best deals on flights to Seattle from Toronto with United, just enter your travel dates, filter by United, and hit search. You’ll find 1 flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Seattle SEA to Toronto YYZ with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $632 to $632, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from Seattle SEA to Toronto YYZ 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Seattle to Toronto costs from . Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Toronto YYZ from  Seattle SEA with United 

To find a cheap United flight from Seattle SEA to Toronto YYZ, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from Seattle SEA to Toronto YYZ 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as May, or if you book a flight with a stopover. 

 

Find nonstop flights from Seattle SEA to Toronto YYZ with United 

If you’re keen to be on Toronto soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around 10 hour(s) 38 min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from Seattle SEA to Toronto YYZ 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Toronto YYZ from  Seattle SEA with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

Travelers ❤️ these 🏨 after their flight to Toronto

Best Western Premier Toronto Airport Carlingview Hotel
Best Western Premier Toronto Airport Carlingview Hotel
3 out of 5
135 Carlingview Drive, Toronto, ON
This hotel features a restaurant, a spa tub, and a bar/lounge. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public areas, ...
8.2/10 Very Good! (1,670 reviews)
"A good hotel near the airport and within driving distance of shopping and food. Hotel breakfast was questionable for the price and quality of the menu."

Reviewed on Apr 16, 2024

Best Western Premier Toronto Airport Carlingview Hotel
Hilton Toronto Airport Hotel & Suites
Hilton Toronto Airport Hotel & Suites
4 out of 5
5875 Airport Road, Mississauga, ON
This hotel features a restaurant, an indoor pool, and a bar/lounge. Traveling on business? Take advantage of the business center, free WiFi in public areas, ...
8/10 Very Good! (1,733 reviews)
"It was a relaxing and convenient way to make a stopover at the Toronto Airport before flying to New York. The hotel offered a free shuttle service. The only thing I did not do and you should do it is to find out where to catch the shuttle at the arrival level of the Toronto Airport which is very ..."

Reviewed on Apr 16, 2024

Hilton Toronto Airport Hotel & Suites
Sheraton Gateway Hotel In Toronto International Airport
Sheraton Gateway Hotel In Toronto International Airport
4 out of 5
Terminal 3, Toronto AMF, PO Box 3000, Mississauga, ON
This hotel features an indoor pool, a 24-hour gym, and a restaurant. Traveling on business? Take advantage of the business center and WiFi in public areas. You'll ...
8.8/10 Excellent! (2,268 reviews)
"Great"

Reviewed on Apr 15, 2024

Sheraton Gateway Hotel In Toronto International Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.