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

Saturday, December 19th, 2026

4 round-trip options

Returning
Sat, Dec 26, 20267 Day Trip
$1,127 USD
Returning
Sun, Dec 27, 20268 Day Trip
$1,273 USD
Returning
Mon, Dec 28, 20269 Day Trip
$1,252 USD
Returning
Tue, Dec 29, 202610 Day Trip
$1,252 USD