Cheapest return flights from Seattle to Las Vegas in May from $187

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

Return flights

17 May - 23 May Delta direct
01 May - 03 May Alaska Airlines direct
25 May - 31 May Alaska Airlines direct
13 May - 19 May Southwest Airlines
13 May - 19 May Alaska Airlines direct
15 May - 18 May Alaska Airlines direct
14 May - 19 May Southwest Airlines
15 May - 24 May Alaska Airlines direct
18 May - 24 May Delta direct
14 May - 18 May Southwest Airlines

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

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