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 $191 round trip and CA $126 one way. Prices and availability subject to change. Additional terms may apply.

Wed, Oct 7 - Thu, Oct 15
BLI
Bellingham
SEA
Seattle
CA $191 Roundtrip, found 9 hours ago
CA $191
Roundtrip
found 9 hours ago
Select Alaska Airlines flight, departing Wed, Oct 7 from Bellingham to Seattle, returning Thu, Oct 15, priced at CA $191 found 9 hours ago
Thu, Jan 8 - Sun, Jan 11
BLI
Bellingham
SEA
Seattle
CA $194 Roundtrip, found 4 days ago
CA $194
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Thu, Jan 8 from Bellingham to Seattle, returning Sun, Jan 11, priced at CA $194 found 4 days ago
Thu, Jan 8 - Sun, Jan 11
BLI
Bellingham
SEA
Seattle
CA $195 Roundtrip, found 5 days ago
CA $195
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Thu, Jan 8 from Bellingham to Seattle, returning Sun, Jan 11, priced at CA $195 found 5 days ago
Thu, Jan 8 - Sun, Jan 11
BLI
Bellingham
SEA
Seattle
CA $196 Roundtrip, found 5 days ago
CA $196
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Thu, Jan 8 from Bellingham to Seattle, returning Sun, Jan 11, priced at CA $196 found 5 days ago
Fri, Jul 3 - Sun, Jul 5
BLI
Bellingham
SEA
Seattle
CA $196 Roundtrip, found 3 days ago
CA $196
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Fri, Jul 3 from Bellingham to Seattle, returning Sun, Jul 5, priced at CA $196 found 3 days ago
Thu, Jan 8 - Sun, Jan 11
BLI
Bellingham
SEA
Seattle
CA $208 Roundtrip, found 4 days ago
CA $208
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Thu, Jan 8 from Bellingham to Seattle, returning Sun, Jan 11, priced at CA $208 found 4 days ago
Thu, Jan 22 - Wed, Jan 28
BLI
Bellingham
SEA
Seattle
CA $211 Roundtrip, found 6 days ago
CA $211
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Thu, Jan 22 from Bellingham to Seattle, returning Wed, Jan 28, priced at CA $211 found 6 days ago
Thu, Jan 8 - Sun, Jan 11
BLI
Bellingham
SEA
Seattle
CA $222 Roundtrip, found 5 days ago
CA $222
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Thu, Jan 8 from Bellingham to Seattle, returning Sun, Jan 11, priced at CA $222 found 5 days ago
Fri, Jul 3 - Sun, Jul 5
BLI
Bellingham
SEA
Seattle
CA $225 Roundtrip, found 3 days ago
CA $225
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Fri, Jul 3 from Bellingham to Seattle, returning Sun, Jul 5, priced at CA $225 found 3 days ago
Thu, Jan 8 - Sun, Jan 11
BLI
Bellingham
SEA
Seattle
CA $238 Roundtrip, found 4 days ago
CA $238
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Thu, Jan 8 from Bellingham to Seattle, returning Sun, Jan 11, priced at CA $238 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.