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 $165 round trip and CA $167 one way. Prices and availability subject to change. Additional terms may apply.

Wed, Oct 22 - Sat, Dec 6
BLI
Bellingham
SEA
Seattle
CA $165 Roundtrip, found 1 day ago
CA $165
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Oct 22 from Bellingham to Seattle, returning Sat, Dec 6, priced at CA $165 found 1 day ago
Sat, Oct 11 - Sun, Oct 12
BLI
Bellingham
SEA
Seattle
CA $177 Roundtrip, found 6 days ago
CA $177
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Oct 11 from Bellingham to Seattle, returning Sun, Oct 12, priced at CA $177 found 6 days ago
Wed, Oct 22 - Sat, Dec 6
BLI
Bellingham
SEA
Seattle
CA $178 Roundtrip, found 1 day ago
CA $178
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Oct 22 from Bellingham to Seattle, returning Sat, Dec 6, priced at CA $178 found 1 day ago
Sat, Nov 15 - Sun, Nov 16
BLI
Bellingham
SEA
Seattle
CA $190 Roundtrip, found 3 days ago
CA $190
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sat, Nov 15 from Bellingham to Seattle, returning Sun, Nov 16, priced at CA $190 found 3 days ago
Wed, Oct 1 - Fri, Oct 17
BLI
Bellingham
SEA
Seattle
CA $193 Roundtrip, found 2 days ago
CA $193
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Oct 1 from Bellingham to Seattle, returning Fri, Oct 17, priced at CA $193 found 2 days ago
Wed, Oct 22 - Sat, Dec 6
BLI
Bellingham
SEA
Seattle
CA $222 Roundtrip, found 1 day ago
CA $222
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Oct 22 from Bellingham to Seattle, returning Sat, Dec 6, priced at CA $222 found 1 day ago
Sat, Nov 15 - Sun, Nov 16
BLI
Bellingham
SEA
Seattle
CA $231 Roundtrip, found 3 days ago
CA $231
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sat, Nov 15 from Bellingham to Seattle, returning Sun, Nov 16, priced at CA $231 found 3 days ago
Tue, Oct 7 - Tue, Oct 7
BLI
Bellingham
SEA
Seattle
CA $235 Roundtrip, found 18 hours ago
CA $235
Roundtrip
found 18 hours ago
Select Alaska Airlines flight, departing Tue, Oct 7 from Bellingham to Seattle, returning Tue, Oct 7, priced at CA $235 found 18 hours ago
Tue, Oct 7 - Tue, Oct 7
BLI
Bellingham
SEA
Seattle
CA $241 Roundtrip, found 18 hours ago
CA $241
Roundtrip
found 18 hours ago
Select Alaska Airlines flight, departing Tue, Oct 7 from Bellingham to Seattle, returning Tue, Oct 7, priced at CA $241 found 18 hours ago
Fri, Oct 24 - Sat, Oct 25
BLI
Bellingham
SEA
Seattle
CA $249 Roundtrip, found 4 days ago
CA $249
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Oct 24 from Bellingham to Seattle, returning Sat, Oct 25, priced at CA $249 found 4 days 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.
*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.