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Cheap flights from Cancún to San Francisco from £193

CUN — SFO
31 Oct — 7 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cancún to San Francisco

Enter your travel dates to find the best prices.

Cheapest flights from Cancún to San Francisco

Thu 3/1218:05 -
Nonstop6h 03m
Mon 7/1223:59 -
1 stop12h 38m
Deal found 29/9£333
Thu 10/1213:45 -
Nonstop6h 07m
Mon 4/110:38 -
Nonstop5h 17m
Deal found 30/9£336
Wed 23/1214:15 -
1 stop12h 51m
Wed 30/1213:02 -
1 stop15h 03m
Deal found 29/9£338
Fri 11/1208:39 -
1 stop14h 53m
Mon 14/1200:45 -
1 stop9h 49m
Deal found 30/9£339
Thu 22/1006:04 -
2 stops11h 50m
Wed 28/1006:00 -
1 stop11h 55m
Deal found 30/9£340
Wed 11/1116:34 -
1 stop17h 14m
Sun 15/1123:00 -
Nonstop5h 13m
Deal found 26/9£342
Mon 2/1118:05 -
Nonstop6h 03m
Mon 9/1123:00 -
Nonstop5h 13m
Deal found 30/9£343

Find flight deals from Cancún to San Francisco

Round-trip from

£333

One-way from

£193

Popular in

August

Cheapest in

February

Average price

£326
United Airlines
  • United Airlines
  • 3/12-7/12
  • 1 total stop
  • 18h 41m total
  • Cancún to San Francisco
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United Airlines
  • United Airlines
  • 28/10-31/12
  • Nonstop
  • 6h 07m total
  • Cancún to San Francisco
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£58 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£11 potential savings vs. average return price).
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Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Cancún to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CancúnSan Francisco

CUN Cancun - SFO San Francisco

CUNSFO

Cancun

Fri 26/2

12:27-19:59

1 stop10h 32m

San Francisco

Wed 31/12

00:00-02:00

Nonstop0h 00m

£195

CancúnSan Francisco

CUN Cancun - SFO San Francisco

CUNSFO

Cancun

Fri 5/2

18:05-21:08

Nonstop6h 03m

San Francisco

Wed 31/12

00:00-02:00

Nonstop0h 00m

£195

CancúnSan Francisco

CUN Cancun - SFO San Francisco

CUNSFO

Cancun

Tue 2/3

13:45-16:52

Nonstop6h 07m

San Francisco

Wed 31/12

00:00-02:00

Nonstop0h 00m

£197
Fastest return journey

CancúnSan Francisco

CUN Cancun - SFO San Francisco

CUNSFO

Cancun

Wed 21/10

12:57-16:40

Nonstop5h 43m

San Francisco

Wed 31/12

00:00-02:00

Nonstop0h 00m

£197

CancúnSan Francisco

CUN Cancun - SFO San Francisco

CUNSFO

Cancun

Fri 4/12

18:05-21:08

Nonstop6h 03m

San Francisco

Wed 31/12

00:00-02:00

Nonstop0h 00m

£197

CancúnSan Francisco

CUN Cancun - SFO San Francisco

CUNSFO

Cancun

Tue 2/3

11:00-19:37

1 stop11h 37m

San Francisco

Wed 31/12

00:00-02:00

Nonstop0h 00m

£198

CancúnSan Francisco

CUN Cancun - SFO San Francisco

CUNSFO

Cancun

Sat 6/2

08:38-19:59

1 stop14h 21m

San Francisco

Wed 31/12

00:00-02:00

Nonstop0h 00m

£202

CancúnSan Francisco

CUN Cancun - SFO San Francisco

CUNSFO

Cancun

Mon 15/3

16:40-00:07

1 stop9h 27m

San Francisco

Wed 31/12

00:00-02:00

Nonstop0h 00m

£212

CancúnSan Francisco

CUN Cancun - SFO San Francisco

CUNSFO

Cancun

Tue 20/10

07:01-21:10

1 stop16h 09m

San Francisco

Wed 31/12

00:00-02:00

Nonstop0h 00m

£221

CancúnSan Francisco

CUN Cancun - SFO San Francisco

CUNSFO

Cancun

Fri 11/12

13:45-16:52

Nonstop6h 07m

San Francisco

Tue 15/12

05:00-15:37

1 stop7h 37m

£335

Flights are sorted by cheapest return flights first.

Deals found on 26/9

Showing 1-10 of 20 resultsSorted by cheapest first
1
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Best time to book a flight from Cancún to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Cancún with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Cancún to San Francisco

How far ahead should I book a flight from Cancún to San Francisco?

Booking 19 days in advance of your planned departure date is, on average, the best time to get cheap flights from Cancún to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Cancún to San Francisco?

Currently, February is the cheapest month in which you can book a flight from Cancún to San Francisco (average of £257). Flying from Cancún to San Francisco in August is currently the most expensive (average of £500). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CUN to SFO?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Cancún to San Francisco as you normally would.

How much does it cost for a return flight from Cancún to San Francisco?

Airfare is typical for this route at the moment.

Cancún to San Francisco flights typically cost between £311 and £397 in December.
The cheapest return price found within the last 5 days was £333 on United Airlines (3 Dec–7 Dec).

Related info for your journey

  • How long is the flight from Cancún to San Francisco?

    Departing from Cancún to San Francisco will take you 6h 07m. There are 2404 mi between Cancún and San Francisco. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Cancún to San Francisco that include hotel bookings?

    Yes. In addition to deals on Cancún to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Cancún to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cancún to San Francisco.

  • Can I find deals for business class flights from Cancún to San Francisco?

    Yes. Cheapflights offers flight deals from Cancún to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Cancún to San Francisco?

    Currently, February is the cheapest month in which you can book a flight from Cancún to San Francisco (average of £257). Flying from Cancún to San Francisco in August is currently the most expensive (average of £500). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
San Bruno
Santa Cruz
Roseville
Newark
Bodega Bay
Sunnyvale

Browse thousands of different options on Cheapflights for your next trip

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Why should you use Cheapflights to find cheap flight tickets from Cancún to San Francisco?

Cheapflights helps you find that perfect flight to San Francisco from Cancún by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Cancún to San Francisco with no change fees?

Certainly. Search results for flights to San Francisco from Cancún shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Cancún to San Francisco become cheaper?

Of course! You can now track prices for flights from Cancún to San Francisco and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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