AirHint found the following cheapest return flights from San Francisco (SFO) to Cancun (CUN) in July 2026 (see full year).

Return flights

08 Jul - 15 Jul	jetBlue
16 Jul - 20 Jul	jetBlue
23 Jul - 27 Jul	jetBlue
30 Jul - 03 Aug	Aeromexico
12 Jul - 18 Jul	Aeromexico
27 Jul - 01 Aug	jetBlue
16 Jul - 19 Jul	jetBlue
08 Jul - 13 Jul	jetBlue
08 Jul - 12 Jul	jetBlue
30 Jul - 03 Aug	United	direct
27 Jul - 01 Aug	United	direct
23 Jul - 27 Jul	United	direct

Also check the deals for one-way flights from San Francisco to Cancun in July.

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 Cancun in July from $530

Return flights