£138 Find cheap flights from Toronto to Seattle

In the last 3 days, the lowest price for a flight from Toronto Pearson Intl Airport to Seattle was £175 for a one-way ticket and £312 for a return.

Toronto airport is called Toronto Pearson Intl and the only airport in Seattle is Seattle/Tacoma Intl.

Air Canada, Alaska Airlines, United Airlines, and Jazz offer inflight Wi-Fi service on the Toronto to Seattle flight route.

The Airbus A220-300 is the aircraft model that flies most regularly on the Toronto to Seattle flight route.

Star Alliance, and oneworld are the airline alliances operating flights between Toronto and Seattle, with Star Alliance being the most commonly used for this route.

There are direct flights from Toronto to Seattle on a daily basis.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Toronto to Seattle.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Toronto is likely to change within 7 days, so travellers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Seattle with an airline and back to Toronto with another airline.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Toronto up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.