Title: CA $662 Cheap Air Canada fights from Seattle to Thunder Bay - Expedia.ca

![Aerial view of Thunder Bay with historic buildings and Lake Superior.](https://images.trvl-media.com/place/4054/fb620fa5-9945-4aa7-bd06-0f3cf0274da8.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

![](https://images.trvl-media.com/place/4054/fb620fa5-9945-4aa7-bd06-0f3cf0274da8.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

# CA $662 Cheap Air Canada fights from Seattle (SEA) to Thunder Bay (YQT)

[View CA $662 flight on Mon, Dec 29, 2025](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:SEA,to:YQT,departure:29/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:661.74&airProductToken=AQpqCiEIwYYBEgQ4ODAxGJIBILiNASi-gYEDMIGCgQM4TEAAWAEKIQjBhgESAzEwOBi4jQEgmM4BKMyDgQMw34WBAzhMQAFYAQoiCMGGARIEMTUxMxiYzgEgmJwBKKKHgQMwlYiBAzhTQAFYARIKCAEQARgBKgJBQxgBIgQIARABKAgoBDAB) 

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- [Multi-city](?flightType=multicity)

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## Air Canada flights from Seattle to Thunder Bay (SEA→YQT)

Prices were available within the past 7 days and start at CA $662 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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## Alternative airports near Thunder Bay

Prices were available within the past 7 days. Prices and availability are subject to change.

[](https://www.expedia.ca/Flights-Search?leg1=from:SEA,to:YQT,departure:02/01/2026TANYT&leg2=from:YQT,to:SEA,departure:06/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE)

YQT

Thunder Bay Intl.

CheapestClosest

6 min

[Flights from CA $1,579

](https://www.expedia.ca/Flights-Search?leg1=from:SEA,to:YQT,departure:02/01/2026TANYT&leg2=from:YQT,to:SEA,departure:06/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) 

## Frequently asked questions

### How much is an Air Canada flight from Seattle - Tacoma Intl. Airport (SEA) to Thunder Bay Intl. Airport (YQT)?

### What is the cheapest month to fly from SEA to YQT with Air Canada?

### Does Air Canada fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to Thunder Bay Intl. Airport (YQT)?

### What airports does Air Canada fly into in Thunder Bay?

### Can I change or cancel my Air Canada flight from Seattle - Tacoma Intl. Airport (SEA) to Thunder Bay Intl. Airport (YQT)?

## Travel information

| Origin airport      | Seattle - Tacoma Intl. |
| ------------------- | ---------------------- |
| Destination airport | Thunder Bay Intl.      |
| Distance            | 2427 km                |

\*Available to Expedia members.