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

Monday, June 29th, 2026

6 round-trip options

Returning
Sat, Jul 4, 20265 Day Trip
$693 USD
Returning
Tue, Jul 7, 20268 Day Trip
$598 USD
Returning
Wed, Jul 8, 20269 Day Trip
$598 USD
Returning
Thu, Jul 9, 202610 Day Trip
$598 USD
Returning
Sat, Jul 11, 202612 Day Trip
$598 USD
Returning
Sun, Jul 12, 202613 Day Trip
$693 USD