For Unpublished Cheap Flight Deals,
Call Us at 1-888-437-4930
  • Great
    Based on 1,694 reviews
  • Safe & Secure Booking
  • Low Fare Promise
  • Buy with Confidence
  • 10 Million+ Customers
    Per Year
  • Compare & Book Over
    650 Airlines Instantly!
  • Fast, Safe &
    Secure
  • Live 24/7
    Customer Support
Download Our App
Download Our App

Find the deals you want & manage your trips ... all while on the go.

Download Now!
Apply for Our Credit Card
Apply for Our Credit Card

Earn rewards points & other travel perks when you spend.

Apply Now!
Check out our Blog
Check out our Blog

Get inspired, learn expert tips & add to your travel bucket list.

Read it Now!

Recent Toronto Posts

View All

Sky High Flight Facts for Your Trip: Seattle to Toronto

Book your flights from Seattle to Toronto at OneTravel.com, and enjoy your journey hassle-free. OneTravel is a one-stop website for all your travel needs. From flight bookings, hotel packages, and vacation bookings to car rentals, we help you book everything with few clicks. OneTravel offers cheap airfares that help you save big. Book your SEA to YTO flights with OneTravel and save money like never before.

No matter whether you are making a personal trip or going for an official conference, whatever is the reason of travel, we are a one-stop website for all kinds of travel. Choose from different airlines, and book your flights to Toronto. From flights without layovers to ones that arrive early in the morning, we have them all. Choose the flight that meets your preference best. To know more, and for queries and assistance get in touch with our customer care available 24/7 to take care of all your travel needs.

  • When does the earliest flight depart SEA? 7:00AM Alitalia Flight #891
  • When does the latest flight depart YTO? 11:20AM Lufthansa Flight #6823
  • Which is the busiest month to travel from Seattle to Toronto?June
  • Which is the least busy month to travel from SEA to YTO?September
  • What is the travel distance between Seattle to Toronto?2,065 miles
  • How many weekly flights are there are between SEA to YTO? There are 2 weekly flights between SEA and YTO.
  • Which is the busiest day in terms of passengers flying from SEA to YTO?Sunday
  • Name the airport nearby YTO? Billy Bishop Toronto City Airport
  • Name the airports nearby SEA? Kenmore Air Harbor