AirHint found the following cheapest return flights from San Francisco (SFO) to Monterrey (MTY) in July 2025 (see full year).

Return flights

15 Jul - 18 Jul	United	direct
21 Jul - 24 Jul	United	direct
18 Jul - 27 Jul	United	direct
18 Jul - 21 Jul	United	direct
16 Jul - 21 Jul	United	direct
07 Jul - 10 Jul	Hawaiian Airlines
08 Jul - 14 Jul	United	direct
06 Jul - 10 Jul	Alaska Airlines
07 Jul - 11 Jul	Alaska Airlines
05 Jul - 13 Jul	Hawaiian Airlines

Also check the deals for one-way flights from San Francisco to Monterrey 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 Monterrey in July from 202€

Return flights