Cheap flights from Cancun to San Francisco (CUN–SFO)
CUNCancún International Airport
Mexico
Mexico
SFOSan Francisco International Airport
United States
United States
Alaska Airlines and United Airlines fly Cancun to San Francisco (CUN–SFO) nonstop and back, a great-circle distance of 3,870 km (2,410 mi).
- From
- CUN
- Cancun
- To
- SFO
- San Francisco
- Nonstop
- Yes · 2 airlines
- Airlines
- AS · UA
- Cheapest fare found
- MX$2,979 one-way
- Distance
- 3,870 km (2,410 mi)
- Time difference
- San Francisco 2 hours behind
- Time in the air
- 4h 59m · 4h 46m back
- Aircraft seen
- Boeing 737 Max 9
Network data imported from airport and airline sources:· How we verify
Cancun to San Francisco fares by month
Cheapest one-way fare found: MX$2,979 for October 2026 on United Airlines (1 stop).
- Oct ’26MX$2,979
- Nov ’26MX$3,401
- Jan ’27MX$4,873
- Mar ’27MX$3,336
Cheapest one-way fares per month of departure in the Aviasales price cache, found . Fares change by the hour: the live fare is shown when you search.
When to fly CUN–SFO
For Cancun (CUN) to San Francisco (SFO), October 2026 had the lowest fare found (MX$2,979). Set your watch 2 hours back on landing at SFO.
Cancun to San Francisco: frequently asked questions
Fares: Aviasales price cache, 8 October 2026; tracked flights between 6 September and 3 October 2026, from public ADS-B data.
How much is a flight from Cancun (CUN) to San Francisco (SFO)?
From MX$2,979 one-way, the cheapest fare found for October 2026 on United Airlines with 1 stop (found 8 October 2026).
How long is the CUN–SFO flight?
4h 59m wheels-up to wheels-down, the median of 3 tracked flights; SFO–CUN took 4h 46m.
Which airlines fly CUN–SFO direct?
Alaska Airlines and United Airlines.
What is the cheapest month to fly CUN–SFO?
October 2026, at MX$2,979; the dearest month found was MX$4,873.
What is the time difference between Cancun and San Francisco?
San Francisco is 2 hours behind Cancun: a CUN departure at noon is 10:00 local time in SFO.
What aircraft fly CUN–SFO?
Boeing 737 Max 9.
San Francisco to Cancun: the return flight (SFO–CUN)
All 2 airlines also fly SFO–CUN nonstop.
The return takes 4h 46m in the air (median of 3 tracked flights), 13 minutes shorter than CUN–SFO.
Airlines flying CUN–SFO nonstop
| Airline | Usually takes off (CUN time) | Type | Alliance | Notes |
|---|---|---|---|---|
 Alaska Airlines AS | — | full-service | oneworld | Seasonal |
| United Airlines UA | — | full-service | Star Alliance | — |
One-stop alternatives to flying CUN–SFO nonstop
One airline on both legs; check it's sold as one ticket.
- Via Phoenix (PHX) with
American Airlines and Southwest Airlines: 3,880 km (2,410 mi) flown, almost no further than nonstop. - Via Las Vegas (LAS) with Southwest Airlines: 3,880 km (2,410 mi) flown, almost no further than nonstop.
- Via Austin (AUS) with
Delta Air Lines and Southwest Airlines: 3,900 km (2,420 mi) flown, 1% further than nonstop. - Via Los Angeles (LAX) with American Airlines, Delta Air Lines and United Airlines: 3,950 km (2,450 mi) flown, 2% further than nonstop.
- Via Houston (IAH) with United Airlines: 3,930 km (2,440 mi) flown, 2% further than nonstop.
CUN–SFO route map
More from Cancun and San Francisco
Other arrivals in United States
Also nonstop from CUN, nearest to SFO first (straight-line distance):
- CUN–LAX: Los Angeles · 543 km (338 mi) from SFO
- Las Vegas (LAS) airport guide · 665 km (413 mi) from SFO
- Portland (PDX) airport guide · 886 km (551 mi) from SFO
- Salt Lake City (SLC) airport guide · 962 km (598 mi) from SFO
- CUN–PHX: Phoenix · 1,050 km (650 mi) from SFO
Explore the airlines’ route maps
Plan your arrival at San Francisco International Airport (SFO)
Departure
Cancún International Airport
Cancún (CUN), Cancun. In our data, 45 airlines fly nonstop from CUN to 125 destinations.
View CUN airport guide →Arrival
San Francisco International Airport
2 ways into San Francisco, fastest from 25 min:
- BART 30–35 min
- Taxi or rideshare 25–45 min
Onward from San Francisco
Places you can't fly to nonstop from CUN, but can from SFO — for a stopover or a second leg.
Related routes
Sources
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
Flight tracking: adsb.lol community ADS-B data (CC0), 6 September – 3 October 2026. Times are median wheels-up to wheels-down; add taxiing for gate-to-gate.
Report a change — seen something different at the airport or on the airline's site? We re-check and log corrections publicly.