AirHint found the following cheapest return flights from Seattle (SEA) to Las Vegas (LAS) in May 2026 (see full year).
Return flights
| 29 May - 05 Jun | Alaska Airlines | direct | |
| 11 May - 15 May | Alaska Airlines | direct | |
| 01 May - 03 May | Alaska Airlines | direct | |
| 24 May - 28 May | Delta | direct | |
| 06 May - 12 May | Delta | direct |
Also check the deals for one-way flights from Seattle to Las Vegas in May.
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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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