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

Tuesday, December 15th, 2026

4 round-trip options

Returning
Tue, Dec 22, 20267 Day Trip
$619 USD
Returning
Wed, Dec 23, 20268 Day Trip
$619 USD
Returning
Thu, Dec 24, 20269 Day Trip
$609 USD
Returning
Fri, Dec 25, 202610 Day Trip
$677 USD