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

Sunday, December 27th, 2026

4 round-trip options

Returning
Sun, Jan 3, 20277 Day Trip
$1,736 USD
Returning
Mon, Jan 4, 20278 Day Trip
$1,393 USD
Returning
Tue, Jan 5, 20279 Day Trip
$1,011 USD
Returning
Wed, Jan 6, 202710 Day Trip
$837 USD