Direct flights from Cancún to San Francisco CUN → SFO

Alaska Airlines and United Airlines fly nonstop from Cancún (CUN) to San Francisco (SFO), daily. The flight takes about 5h 28m and covers 2,405 miles (3,871 km). Round-trip fares typically run around $577. Arrivals run on time 64.6% at SFO — BTS data for the last three months, counting arrivals within 15 minutes of schedule. Fares last checked 20 August 2026.

60-day flexibility overview based on 38 recent fares across the next 60 days

Cheapest
$452
Typical
$577
Most expensive
$903

What flexibility is worth here

Flying in October rather than September typically saves $85 on CUN → SFO.

  • Sep 2026 $633
  • Oct 2026 $548
  • Nov 2026 $556

Typical round-trip fare by departure month, across the 3 months we currently track.

How long you stay changes it too

  • 6–9 nights $556
  • 10–16 nights $609
  • 17+ nights $555

Staying 17+ nights typically costs $54 less than 10–16 nights.

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Prices last updated 11 days ago. Fares change frequently — check the airline for current pricing.

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Alaska Airlines AS United Airlines UA

Nonstop departures observed in recent fares

Across 36 recent dates we priced, Cancún (CUN) to San Francisco (SFO) showed up to 1 nonstop departure a day, with the earliest around 12:45 and the latest around 18:05, operated by United.

12:45 12:57 13:45 16:10 17:05 18:05

Departure times seen while pricing this route over the last few weeks — a sample, not the full timetable. Airlines adjust schedules seasonally.

More nonstops from Cancún

CUN → ORD Chicago 5 airlines CUN → YYZ Toronto 5 airlines CUN → BOS Boston 4 airlines CUN → DFW Dallas-Fort Worth 4 airlines CUN → DTW Detroit 4 airlines CUN → LAX Los Angeles 4 airlines CUN → MCO Orlando 4 airlines CUN → BWI Baltimore 3 airlines

Frequently asked questions

Is there a direct flight from Cancún to San Francisco?

Yes, Alaska Airlines and United Airlines operate nonstop flights from Cancún (CUN) to San Francisco (SFO).

Which airlines fly direct from Cancún to San Francisco?

Alaska Airlines, United Airlines operate nonstop flights from Cancún to San Francisco.

How long is the flight from Cancún to San Francisco?

The nonstop flight from Cancún to San Francisco takes ~5h 28m (approximately 3871 km).

How often do direct flights operate from Cancún to San Francisco?

Nonstop flights from Cancún to San Francisco operate daily.

What is the on-time performance for flights from Cancún to San Francisco?

Arrivals run on time 64.6% at SFO — BTS data for the last three months, counting arrivals within 15 minutes of schedule.

How much is a round-trip flight from Cancún to San Francisco?

Round-trip flights from Cancún (CUN) to San Francisco (SFO) start at $452, with a typical fare around $577. Based on 38 recent fare combinations.

What is the cheapest month to fly from Cancún to San Francisco?

Across the 3 departure months we currently track, October 2026 is the cheapest month to fly round trip from Cancún to San Francisco, with typical fares around $548 — versus about $633 in September 2026, the most expensive.

Does trip length change the round-trip fare from Cancún to San Francisco?

Typical round-trip fares from Cancún (CUN) to San Francisco (SFO) by trip length: a week away (6–9 nights) about $556, around two weeks (10–16 nights) about $609, and a longer stay (17+ nights) about $555. Medians from 38 recent fare combinations.

Explore More

CUN All direct flights from Cancún SFO All direct flights from San Francisco SFO → CUN Return: San Francisco to Cancún

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