Cheap flights from Las Vegas to Northwest Washington

View AU$104 flight on Thu, 18 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
Tue, 9 Sep. - Sun, 21 Sep.
LAS
Las Vegas
PAE
Seattle
AU$223 Return, found 1 day ago
AU$223
Return
found 1 day ago
Select Alaska Airlines flight, departing Tue, 9 Sep. from Las Vegas to Seattle, returning Sun, 21 Sep., priced at AU$223 found 1 day ago
Alaska Airlines
Mon, 8 Sep. - Mon, 15 Sep.
LAS
Las Vegas
PAE
Seattle
AU$223 Return, found 1 day ago
AU$223
Return
found 1 day ago
Select Alaska Airlines flight, departing Mon, 8 Sep. from Las Vegas to Seattle, returning Mon, 15 Sep., priced at AU$223 found 1 day ago
Delta
Sun, 2 Nov. - Sun, 16 Nov.
LAS
Las Vegas
SEA
Seattle
AU$227 Return, found 1 hour ago
AU$227
Return
found 1 hour ago
Select Delta flight, departing Sun, 2 Nov. from Las Vegas to Seattle, returning Sun, 16 Nov., priced at AU$227 found 1 hour ago
Hawaiian Airlines
Wed, 15 Oct. - Mon, 3 Nov.
LAS
Las Vegas
SEA
Seattle
AU$227 Return, found 5 hours ago
AU$227
Return
found 5 hours ago
Select Hawaiian Airlines flight, departing Wed, 15 Oct. from Las Vegas to Seattle, returning Mon, 3 Nov., priced at AU$227 found 5 hours ago
American Airlines
Thu, 18 Sep. - Thu, 25 Sep.
LAS
Las Vegas
SEA
Seattle
AU$389 Return, found 5 days ago
AU$389
Return
found 5 days ago
Select American Airlines flight, departing Thu, 18 Sep. from Las Vegas to Seattle, returning Thu, 25 Sep., priced at AU$389 found 5 days ago
United
Mon, 8 Sep. - Mon, 15 Sep.
LAS
Las Vegas
SEA
Seattle
AU$412 Return, found 1 day ago
AU$412
Return
found 1 day ago
Select United flight, departing Mon, 8 Sep. from Las Vegas to Seattle, returning Mon, 15 Sep., priced at AU$412 found 1 day 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.