Cheap flights from Salt Lake City to Northwest Washington

View AU$167 flight on Wed, 20 Aug. 2025Opens in a new window

Popular airlines from Salt Lake City to Northwest Washington

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from Salt Lake City (SLC) to Northwest Washington (SEA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, 11 Aug. - Fri, 15 Aug.
SLC
Salt Lake City
SEA
Seattle
AU$442 Return, found 1 day ago
AU$442
Return
found 1 day ago
Select United flight, departing Mon, 11 Aug. from Salt Lake City to Seattle, returning Fri, 15 Aug., priced at AU$442 found 1 day ago
Delta
Mon, 11 Aug. - Fri, 15 Aug.
SLC
Salt Lake City
SEA
Seattle
AU$443 Return, found 1 day ago
AU$443
Return
found 1 day ago
Select Delta flight, departing Mon, 11 Aug. from Salt Lake City to Seattle, returning Fri, 15 Aug., priced at AU$443 found 1 day ago
Delta
Mon, 11 Aug. - Fri, 15 Aug.
SLC
Salt Lake City
SEA
Seattle
AU$453 Return, found 1 day ago
AU$453
Return
found 1 day ago
Select Delta flight, departing Mon, 11 Aug. from Salt Lake City to Seattle, returning Fri, 15 Aug., priced at AU$453 found 1 day ago
Delta
Mon, 11 Aug. - Fri, 15 Aug.
SLC
Salt Lake City
SEA
Seattle
AU$454 Return, found 1 day ago
AU$454
Return
found 1 day ago
Select Delta flight, departing Mon, 11 Aug. from Salt Lake City to Seattle, returning Fri, 15 Aug., priced at AU$454 found 1 day ago
Alaska Airlines
Mon, 11 Aug. - Fri, 15 Aug.
SLC
Salt Lake City
SEA
Seattle
AU$469 Return, found 1 day ago
AU$469
Return
found 1 day ago
Select Alaska Airlines flight, departing Mon, 11 Aug. from Salt Lake City to Seattle, returning Fri, 15 Aug., priced at AU$469 found 1 day ago
American Airlines
Wed, 27 Aug. - Wed, 3 Sep.
PVU
Provo
SEA
Seattle
AU$630 Return, found 4 days ago
AU$630
Return
found 4 days ago
Select American Airlines flight, departing Wed, 27 Aug. from Provo to Seattle, returning Wed, 3 Sep., priced at AU$630 found 4 days ago

Find the cheapest month to fly from Salt Lake City (SLC) to Bellingham (BLI)

January is typically the cheapest month to fly

From AU$340 - AU$1,133 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.