Cheapest return flights from San Francisco (SFO) to Cancun (CUN), October

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
13 Oct 20 Oct Aeromexico
08 Oct 13 Oct Frontier Airlines
26 Oct 27 Oct United
Direct Flight
25 Oct 02 Nov Aeromexico
15 Oct 20 Oct Frontier Airlines
26 Oct 01 Nov Frontier Airlines
25 Oct 02 Nov United
Direct Flight
09 Oct 13 Oct Aeromexico
31 Oct 06 Nov Southwest Airlines
24 Oct 31 Oct Frontier Airlines
04 Oct 10 Oct Frontier Airlines
22 Oct 28 Oct Alaska Airlines
23 Oct 31 Oct Aeromexico
30 Oct 06 Nov Southwest Airlines
11 Oct 17 Oct Aeromexico
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deals for one-way flights from San Francisco to Cancun in October.

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Updated Jul 18, 2026.

About these fares

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