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Cheap flights from Windsor, ON to Seattle from C$ 426

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/8. Fares are subject to change and may not be available on all flights or dates of travel.
YQG — SEA
5 Aug — 12 Aug1
1 adult

Cheap flight deals from Windsor to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Windsor (YQG) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 31 July 2025.

Round-trip from

C$ 426
WestJet
  • WestJet
  • 21/8-25/8
  • 2 total stops
  • 29h 03m total
  • Windsor to Seattle
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Find flight deals from Windsor to Seattle

Cheapest flights from Windsor to Seattle
Explore the most affordable flight options available from Windsor to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 July 2025.

Thu 21/87:45 p.m.YQG - SEA
1 stop20h 13mWestJet
Mon 25/87:05 a.m.SEA - YQG
1 stop8h 50mWestJet
Deal found 30/7C$ 426
Fri 22/82:30 p.m.YQG - SEA
2 stops33h 05mMultiple Airlines
Mon 25/87:05 a.m.SEA - YQG
1 stop8h 50mMultiple Airlines
Deal found 30/7C$ 655
Sat 16/84:00 p.m.YQG - SEA
2 stops20h 21mAir Canada
Sun 7/97:15 p.m.SEA - YQG
2 stops10h 57mAir Canada
Deal found 29/7C$ 848

Cheapflights Fare Finder

 
Customize your flight search to find flights from Windsor to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 31 July 2025.
Use the filters below to find and compare flights from Windsor to Seattle that are best for you.

Fly from

Windsor

Fly to

Seattle

Route

Depart

Return

Price

WindsorSeattle

YQG - SEA

YQGSEA

Windsor

Thu 21/8

7:45 p.m.-12:58 p.m.

1 stop20h 13m

Seattle/Tacoma Intl

Mon 25/8

7:05 a.m.-6:55 p.m.

1 stop8h 50m

C$ 426

WindsorSeattle

YQG - SEA

YQGSEA

Windsor

Fri 22/8

2:30 p.m.-8:35 p.m.

2 stops33h 05m

Seattle/Tacoma Intl

Mon 25/8

7:05 a.m.-6:55 p.m.

1 stop8h 50m

C$ 655

WindsorSeattle

YQG - SEA

YQGSEA

Windsor

Sat 16/8

4:00 p.m.-9:21 a.m.

2 stops20h 21m

Seattle/Tacoma Intl

Sun 7/9

7:15 p.m.-9:12 a.m.

2 stops10h 57m

C$ 848

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/7

Best time to book a flight from Windsor to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Windsor 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.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 31 July 2025.
Check out reviews from past customers who have flown with WestJet and Air Canada from Windsor to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.2
Good
2,975 reviews
Check prices

Crew

7.9

Food

6.2

Boarding

7.4

Entertainment

6.1

Overall

7.2

Comfort

7.0

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight
WestJet
7.2
Good
2,975 reviews
WestJet
7.2
Good
2,975 reviews
Check prices

Crew

7.9

Food

6.2

Boarding

7.4

Entertainment

6.1

Overall

7.2

Comfort

7.0

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight
Air Canada
7.1
Good
9,837 reviews
WestJet
7.2
Good
2,975 reviews
Check prices

Crew

7.9

Food

6.2

Boarding

7.4

Entertainment

6.1

Overall

7.2

Comfort

7.0

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight

Related info for your journey

Find useful and relevant information for your journey from Windsor to Seattle. 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 Windsor to Seattle that include hotel bookings?

    Yes. In addition to deals on Windsor to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Windsor to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Windsor to Seattle.

  • Can I find deals for business class flights from Windsor to Seattle?

    Yes. Cheapflights offers flight deals from Windsor to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Windsor, Ontario to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Windsor, Ontario to Seattle (average of C$ 262). Flying from Windsor, Ontario to Seattle in December is currently the most expensive (average of C$ 353). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
SeaTac
Tukwila
Tacoma
Marysville
Bothell
Renton
Olympia
Lynnwood

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