Flights to Northwest Washington from Las Vegas - ￥9,540

View ￥9,540 flight on Mon, Sep 29, 2025Opens in a new window

Popular airlines from Las Vegas to Northwest Washington

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    All Nippon Airways

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  • Jetstar Japan

    Jetstar Japan

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    Solaseed Air

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Cheap Flights from Las Vegas to Northwest Washington (LAS-SEA)

Prices were available within the past 7 days and start at ￥9,540 for one-way flights and ￥19,770 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Tue, Aug 5 - Mon, Aug 18
LAS
Las Vegas
SEA
Seattle
￥19,770 Roundtrip, found 1 day ago
￥19,770
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Tue, Aug 5 from Las Vegas to Seattle, returning Mon, Aug 18, priced at ￥19,770 found 1 day ago
Delta
Tue, Aug 5 - Thu, Aug 21
LAS
Las Vegas
SEA
Seattle
￥19,880 Roundtrip, found 1 day ago
￥19,880
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Aug 5 from Las Vegas to Seattle, returning Thu, Aug 21, priced at ￥19,880 found 1 day ago
Delta
Thu, Aug 14 - Mon, Aug 18
LAS
Las Vegas
SEA
Seattle
￥20,090 Roundtrip, found 2 hours ago
￥20,090
Roundtrip
found 2 hours ago
Select Delta flight, departing Thu, Aug 14 from Las Vegas to Seattle, returning Mon, Aug 18, priced at ￥20,090 found 2 hours ago
Delta
Thu, Aug 7 - Sun, Aug 10
LAS
Las Vegas
SEA
Seattle
￥20,220 Roundtrip, found 13 hours ago
￥20,220
Roundtrip
found 13 hours ago
Select Delta flight, departing Thu, Aug 7 from Las Vegas to Seattle, returning Sun, Aug 10, priced at ￥20,220 found 13 hours ago
American Airlines
Thu, Sep 4 - Mon, Sep 8
LAS
Las Vegas
SEA
Seattle
￥23,160 Roundtrip, found 15 hours ago
￥23,160
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Thu, Sep 4 from Las Vegas to Seattle, returning Mon, Sep 8, priced at ￥23,160 found 15 hours ago
United
Thu, Aug 14 - Mon, Aug 18
LAS
Las Vegas
SEA
Seattle
￥48,110 Roundtrip, found 2 hours ago
￥48,110
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Aug 14 from Las Vegas to Seattle, returning Mon, Aug 18, priced at ￥48,110 found 2 hours ago

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

January is typically the cheapest month to fly

From ￥30,429 - ￥88,019 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.