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

Saturday, June 20th, 2026

6 round-trip options

Returning
Thu, Jun 25, 20265 Day Trip
$687 USD
Returning
Sun, Jun 28, 20268 Day Trip
$923 USD
Returning
Mon, Jun 29, 20269 Day Trip
$923 USD
Returning
Tue, Jun 30, 202610 Day Trip
$697 USD
Returning
Thu, Jul 2, 202612 Day Trip
$687 USD
Returning
Fri, Jul 3, 202613 Day Trip
$603 USD