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

Extremely Rare Availability
3% of dates checked are available within 10% of the lowest price

Sunday, June 28th, 2026

6 round-trip options

Returning
Fri, Jul 3, 20265 Day Trip
$699 USD
Returning
Mon, Jul 6, 20268 Day Trip
$827 USD
Returning
Tue, Jul 7, 20269 Day Trip
$699 USD
Returning
Wed, Jul 8, 202610 Day Trip
$699 USD
Returning
Fri, Jul 10, 202612 Day Trip
$699 USD
Returning
Sat, Jul 11, 202613 Day Trip
$699 USD