Prices are in Australian Dollars.

Find Cheap Flights from San Francisco to Cancun (SFO - CUN)

Search hundreds of travel sites and compare cheap flights to Cancun

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Good to know

Low season:
September
Best time to beat the crowds
2%
expected price decrease
High season:
December
Most popular time to fly
5%
expected price increase
Average price:
$691
(price for this month)
Good deal:
$599
or less return trip within
2 months
of travel is a good deal

When to Book Flights from San Francisco to Cancun

Average price per month
Flight prices as travel date approaches
-1 day
-2 days

Top tips for finding a cheap flight

The cheapest flight from San Francisco to Cancun was found, on average, 26 days before departure.
Book at least 2 weeks before departure in order to get a below-average price.
Morning departure is around 35% cheaper than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days