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

Friday, January 1st, 2027

4 round-trip options

Returning
Fri, Jan 8, 20277 Day Trip
$639 USD
Returning
Sat, Jan 9, 20278 Day Trip
$613 USD
Returning
Sun, Jan 10, 20279 Day Trip
$709 USD
Returning
Mon, Jan 11, 202710 Day Trip
$613 USD