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

Return flights

13 May - 14 May	United	direct
07 May - 11 May	United	direct
30 May - 03 Jun	United	direct
11 May - 13 May	Alaska Airlines	direct
26 May - 02 Jun	Alaska Airlines	direct
04 May - 07 May	Alaska Airlines	direct
13 May - 19 May	Southwest Airlines
28 May - 31 May	United	direct
30 May - 31 May	United	direct
21 May - 04 Jun	Alaska Airlines	direct
01 May - 09 May	Southwest Airlines
13 May - 17 May	United	direct
01 May - 09 May	United	direct
31 May - 06 Jun	Delta
31 May - 06 Jun	Southwest Airlines	direct

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

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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Cheapest return flights from San Francisco to Las Vegas in May from 150€

Return flights