Cheapest one-way flights from Seattle to Las Vegas in January from $29

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

One-Way flights

18 Jan Frontier Airlines direct
05 Jan Frontier Airlines direct
11 Jan Frontier Airlines direct
02 Jan Frontier Airlines direct
21 Jan Alaska Airlines direct
20 Jan Alaska Airlines direct
07 Jan Alaska Airlines direct
13 Jan Alaska Airlines direct
24 Jan Alaska Airlines direct
28 Jan Alaska Airlines direct

Also check the deals for return flights from Seattle to Las Vegas in January.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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