Cheap flights from Las Vegas to Northwest Washington

View AU$106 flight on Fri, 19 Sep. 2025Opens in a new window

Popular airlines from Las Vegas 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 Las Vegas (LAS) 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.

Alaska Airlines
Sat, 9 Aug. - Tue, 12 Aug.
LAS
Las Vegas
PAE
Seattle
AU$226 Return, found 5 days ago
AU$226
Return
found 5 days ago
Select Alaska Airlines flight, departing Sat, 9 Aug. from Las Vegas to Seattle, returning Tue, 12 Aug., priced at AU$226 found 5 days ago
Hawaiian Airlines
Mon, 6 Oct. - Sat, 25 Oct.
LAS
Las Vegas
SEA
Seattle
AU$229 Return, found 6 days ago
AU$229
Return
found 6 days ago
Select Hawaiian Airlines flight, departing Mon, 6 Oct. from Las Vegas to Seattle, returning Sat, 25 Oct., priced at AU$229 found 6 days ago
Alaska Airlines
Thu, 18 Sep. - Thu, 25 Sep.
LAS
Las Vegas
SEA
Seattle
AU$231 Return, found 2 days ago
AU$231
Return
found 2 days ago
Select Alaska Airlines flight, departing Thu, 18 Sep. from Las Vegas to Seattle, returning Thu, 25 Sep., priced at AU$231 found 2 days ago
Alaska Airlines
Sat, 16 Aug. - Fri, 5 Sep.
LAS
Las Vegas
SEA
Seattle
AU$236 Return, found 4 days ago
AU$236
Return
found 4 days ago
Select Alaska Airlines flight, departing Sat, 16 Aug. from Las Vegas to Seattle, returning Fri, 5 Sep., priced at AU$236 found 4 days ago
Delta
Wed, 3 Sep. - Wed, 10 Sep.
LAS
Las Vegas
SEA
Seattle
AU$252 Return, found 4 days ago
AU$252
Return
found 4 days ago
Select Delta flight, departing Wed, 3 Sep. from Las Vegas to Seattle, returning Wed, 10 Sep., priced at AU$252 found 4 days ago
American Airlines
Thu, 18 Sep. - Thu, 25 Sep.
LAS
Las Vegas
SEA
Seattle
AU$389 Return, found 2 days ago
AU$389
Return
found 2 days ago
Select American Airlines flight, departing Thu, 18 Sep. from Las Vegas to Seattle, returning Thu, 25 Sep., priced at AU$389 found 2 days ago

Find the cheapest month to fly from Las Vegas (LAS) to Bellingham (BLI)

January is typically the cheapest month to fly

From AU$319 - AU$922 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.