Cheap Flights From Bellingham Intl. (BLI) To Seattle - Tacoma Intl. (SEA)

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Cheapest Flights from Bellingham (BLI) to Seattle (SEA)

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were CA $312 round trip and CA $182 one way. Prices and availability subject to change. Additional terms may apply.

Sat, Apr 18 - Sat, Apr 25
BLI
Bellingham
SEA
Seattle
CA $312 Roundtrip, found 1 day ago
CA $312
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Apr 18 from Bellingham to Seattle, returning Sat, Apr 25, priced at CA $312 found 1 day ago
Fri, Jun 19 - Tue, Jun 23
BLI
Bellingham
SEA
Seattle
CA $313 Roundtrip, found 1 day ago
CA $313
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Jun 19 from Bellingham to Seattle, returning Tue, Jun 23, priced at CA $313 found 1 day ago
Sat, Apr 18 - Sat, Apr 25
BLI
Bellingham
SEA
Seattle
CA $325 Roundtrip, found 1 day ago
CA $325
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Apr 18 from Bellingham to Seattle, returning Sat, Apr 25, priced at CA $325 found 1 day ago
Fri, Jun 19 - Tue, Jun 23
BLI
Bellingham
SEA
Seattle
CA $326 Roundtrip, found 1 day ago
CA $326
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Jun 19 from Bellingham to Seattle, returning Tue, Jun 23, priced at CA $326 found 1 day ago
Fri, May 15 - Mon, May 18
BLI
Bellingham
SEA
Seattle
CA $329 Roundtrip, found 4 days ago
CA $329
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, May 15 from Bellingham to Seattle, returning Mon, May 18, priced at CA $329 found 4 days ago
Sat, Apr 18 - Sat, Apr 25
BLI
Bellingham
SEA
Seattle
CA $338 Roundtrip, found 1 day ago
CA $338
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Apr 18 from Bellingham to Seattle, returning Sat, Apr 25, priced at CA $338 found 1 day ago
Fri, May 15 - Mon, May 18
BLI
Bellingham
SEA
Seattle
CA $345 Roundtrip, found 4 days ago
CA $345
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, May 15 from Bellingham to Seattle, returning Mon, May 18, priced at CA $345 found 4 days ago
Sat, Apr 18 - Sat, Apr 25
BLI
Bellingham
SEA
Seattle
CA $353 Roundtrip, found 1 day ago
CA $353
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Apr 18 from Bellingham to Seattle, returning Sat, Apr 25, priced at CA $353 found 1 day ago
Fri, May 15 - Mon, May 18
BLI
Bellingham
SEA
Seattle
CA $358 Roundtrip, found 4 days ago
CA $358
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, May 15 from Bellingham to Seattle, returning Mon, May 18, priced at CA $358 found 4 days ago
Fri, Jun 19 - Tue, Jun 23
BLI
Bellingham
SEA
Seattle
CA $366 Roundtrip, found 1 day ago
CA $366
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Jun 19 from Bellingham to Seattle, returning Tue, Jun 23, priced at CA $366 found 1 day ago

Frequently asked questions

Are there direct flights from Bellingham Intl. Airport (BLI) to SEA?
For a speedy trip between Bellingham and Seattle, try Alaska Airlines. This airline operates direct flights from Bellingham Intl. Airport (BLI) to Seattle - Tacoma Intl. Airport (SEA).
What airlines fly from Bellingham Intl. Airport (BLI) to SEA?
With Alaska Airlines, you won't have to stress about extended layovers or standing around waiting for your next flight. This popular airline company will take you nonstop from Bellingham to Seattle on one of the 139 flights offered on this route each month.
What is the best day to buy a plane ticket?
Airfares offered on Friday tend to be the cheapest, according to flight demand on Travelocity.ca in 2021. Purchasing your airfares on a Thursday or Saturday can also provide better value, however our advice if you're looking to save money is to avoid booking on a Wednesday or Sunday. Our data shows that those two days have the highest ticket values on average, so keep this in mind if you're browsing flight deals.
What are the cheapest days to fly?
Frequent travellers may already know this, but earlier in the week is often the cheapest time to fly. Flights departing on a Monday are the cheapest of the week. Since flights towards the middle of the week tend to be more popular, this causes the prices to rise. This is why, on average, airfares booked on Travelocity.ca in 2021 were most expensive for Wednesday departures.
How far in advance can you book a flight?
Here's the deal: It is typically possible to start comparing international airfares on Travelocity.ca 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 2-4 weeks prior to their travel dates.*According to flight demand on Travelocity.ca from January to December 2021. Savings are subject to change and may vary depending on selections made.

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*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.