San Francisco (SFO) to Cancún (CUN) flight deal in economy from $345

Friday, December 25th, 2026

4 round-trip options

Returning
Fri, Jan 1, 20277 Day Trip
$1,164 USD
Returning
Sat, Jan 2, 20278 Day Trip
$1,636 USD
Returning
Sun, Jan 3, 20279 Day Trip
$1,636 USD
Returning
Mon, Jan 4, 202710 Day Trip
$1,293 USD