AirHint found the following cheapest return flights from San Francisco (SFO) to Mexico City (MEX) in March 2026 (see full year).

Return flights

05 Mar - 12 Mar	Frontier Airlines
04 Mar - 11 Mar	Hawaiian Airlines
03 Mar - 10 Mar	Frontier Airlines
12 Mar - 17 Mar	Frontier Airlines
13 Mar - 17 Mar	United	direct
10 Mar - 17 Mar	United	direct
04 Mar - 18 Mar	Alaska Airlines
16 Mar - 10 Apr	Aeromexico	direct
07 Mar - 12 Mar	Hawaiian Airlines
11 Mar - 15 Mar	Hawaiian Airlines
20 Mar - 25 Mar	Aeromexico
26 Mar - 05 Apr	Delta	direct
30 Mar - 04 Apr	United	direct
26 Mar - 06 Apr	Delta	direct
25 Mar - 01 Apr	Delta
25 Mar - 01 Apr	United	direct

Also check the deals for one-way flights from San Francisco to Mexico City in March.

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 Mexico City in March from 277€

Return flights