Cheapest return flights from Seattle to Las Vegas in March from $38

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

Return flights

16 Mar - 20 Mar Frontier Airlines direct
27 Mar - 29 Mar Frontier Airlines direct
19 Mar - 23 Mar Frontier Airlines direct
13 Mar - 27 Mar Frontier Airlines direct
23 Mar - 26 Mar Frontier Airlines direct
26 Mar - 29 Mar Frontier Airlines direct
10 Mar - 12 Mar Alaska Airlines direct
12 Mar - 14 Mar Frontier Airlines direct
02 Mar - 10 Mar Frontier Airlines direct
16 Mar - 21 Mar Frontier Airlines

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

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