Cheapest return flights from Seattle to Las Vegas in January from $58

AirHint found the following cheapest return flights from Seattle (SEA) to Las Vegas (LAS) in January 2026 (see full year).

Return flights

05 Jan - 10 Jan Frontier Airlines direct
05 Jan - 08 Jan Frontier Airlines direct
08 Jan - 09 Jan Frontier Airlines direct
08 Jan - 11 Jan Frontier Airlines direct
09 Jan - 11 Jan Frontier Airlines direct
10 Jan - 11 Jan Frontier Airlines direct
11 Jan - 18 Jan Frontier Airlines direct
23 Jan - 26 Jan Frontier Airlines direct
30 Jan - 02 Feb Frontier Airlines direct
21 Jan - 26 Jan Alaska Airlines direct
27 Jan - 30 Jan Alaska Airlines direct
30 Jan - 01 Feb Frontier Airlines direct

Also check the deals for one-way flights from Seattle to Las Vegas in January.

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