CUN - SFO

£171 Find Cheap Flights from Cancun to San Francisco – Compare and Save

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Everything you should know

Cheapest return flight
£208
Typical prices: £277-£406
Delta
Sun 2/12Thu 6/12
CUN - SFO • 1 stop
Cheapest direct flights
£270
Typical prices: £289-£433
United Airlines
Mon 24/12Mon 31/12
CUN - SFO • Direct
Direct flights
You can fly direct with United Airlines and Alaska Airlines. Average duration is 6h 06m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 85% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 20 weeks in advance save around 46% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 18% price drop
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Cheapest • Avg £227 (return)
Shortest trip • 8h 51m (one-way)
Insights
Insights
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We hope you enjoy your trip to San Francisco!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Cancún to San Francisco (CUN-SFO)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Cancún to San Francisco

Wed, 2 Dec - Sun, 6 Dec
Delta Logo
06:09 - 11:38CUN  Cancun-SFO San Francisco
8h 29m1 stop Mexico City Benito Juarez
Delta Logo
21:59 - 11:13SFO  San Francisco-CUN Cancun
10h 14m1 stop Atlanta Hartsfield-Jackson
£208Delta
Sat, 16 Jan - Sat, 23 Jan
Delta Logo
12:05 - 23:41CUN  Cancun-SFO San Francisco
14h 36m2 stops Austin Bergstrom Seattle/Tacoma Intl
Delta Logo
07:00 - 20:00SFO  San Francisco-CUN Cancun
10h 00m2 stops Los Angeles Mexico City Benito Juarez
£211Delta
Sat, 21 Nov - Sat, 28 Nov
Delta Logo
17:05 - 22:23CUN  Cancun-SFO San Francisco
8h 18m1 stop Salt Lake City
Delta Logo
05:50 - 16:05SFO  San Francisco-CUN Cancun
7h 15m1 stop Salt Lake City
£212Delta
Sat, 21 Nov - Sun, 29 Nov
Delta Logo
06:49 - 19:55CUN  Cancun-SFO San Francisco
16h 06m1 stop Mexico City Benito Juarez
Delta Logo
07:05 - 18:14SFO  San Francisco-CUN Cancun
8h 09m1 stop Los Angeles
£223Delta
Thu, 24 Dec - Thu, 31 Dec
Delta Logo
11:31 - 23:20CUN  Cancun-SFO San Francisco
14h 49m1 stop Mexico City Benito Juarez
Delta Logo
22:45 - 14:10SFO  San Francisco-CUN Cancun
12h 25m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County
£224Delta
Thu, 24 Dec - Thu, 31 Dec
Delta Logo
11:31 - 23:20CUN  Cancun-SFO San Francisco
14h 49m1 stop Mexico City Benito Juarez
Delta Logo
22:45 - 14:10SFO  San Francisco-CUN Cancun
12h 25m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County
£225Delta
Wed, 3 Feb - Sun, 7 Feb
Delta Logo
12:27 - 23:41CUN  Cancun-SFO San Francisco
14h 14m2 stops Mexico City Benito Juarez Seattle/Tacoma Intl
Delta Logo
00:40 - 15:20SFO  San Francisco-CUN Cancun
11h 40m1 stop Minneapolis St Paul
£227Delta
Thu, 19 Nov - Thu, 26 Nov
United Airlines Logo
17:40 - 23:06CUN  Cancun-SFO San Francisco
8h 26m1 stop Los Angeles
United Airlines Logo
18:35 - 14:03SFO  San Francisco-CUN Cancun
16h 28m1 stop Denver Intl
£229United Airlines
Fri, 20 Nov - Sun, 29 Nov
United Airlines Logo
15:15 - 06:48CUN  Cancun-SFO San Francisco
18h 33m1 stop Denver Intl
United Airlines Logo
23:00 - 07:13SFO  San Francisco-CUN Cancun
5h 13mdirect
£229United Airlines
Thu, 14 Jan - Thu, 21 Jan
Delta Logo
06:06 - 11:51CUN  Cancun-SFO San Francisco
8h 45m1 stop Mexico City Benito Juarez
Delta Logo
06:00 - 21:15SFO  San Francisco-CUN Cancun
12h 15m1 stop Atlanta Hartsfield-Jackson
£236Delta
Booking Insights

Price, demand, and travel trends for Cancún to San Francisco flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a return flight from Cancún to San Francisco?

Return flights from Cancún to San Francisco typically range from £277 to £406. The lowest price found in the past 5 days was £208 on Delta.

What's the cheapest day of the week to fly from Cancún to San Francisco?

Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from Cancún to San Francisco. It’s 12% cheaper than the average day, while Tuesday is the most expensive, with prices 15% higher.

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

•February is the cheapest month to fly from Cancún to San Francisco at £268 return.
•August (£499) and October (£463) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 86% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Cancún to San Francisco the cheapest?

Flights from Cancún to San Francisco are cheapest 20 weeks before departure. Booking in this window typically costs about 46% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Cancún to San Francisco flights

Low season

October

Cheapest flight

£171
Beat the crowds with an average 51% drop in traveller numbers.
The most popular month to fly with an average 83% increase in traveller numbers.
One-way flight from Cancún to San Francisco

When to book flights from Cancún to San Francisco

Are your dates flexible? Find out the best times to travel from Cancún to San Francisco based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Cancún to San Francisco flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • What are the earliest and latest flights from Cancún to San Francisco?

    These are the earliest and latest flight times available from Cancún to San Francisco:

    • Earliest: departs at 12:45 and lands at 18:51
    • Latest: departs at 18:45 and lands at 00:51.

    The flight takes about 6h 06m.

  • Which cabin classes can I book on flights from Cancún to San Francisco?

    Only Economy class is available on flights from Cancún to San Francisco.

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

    A direct flight from Cancún to San Francisco takes 6h 06m, covering 2,404 miles.

  • Do I need a passport to fly from Cancún to San Francisco?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Cancún to San Francisco flight?

    Return flights from Cancún to San Francisco range from £277 to £406, with an average of £328 over the past 12 months. Anything below £277 counts as a good deal.

  • How expensive are last-minute Cancún to San Francisco flights?

    Last-minute fares on this route (booked within two weeks of departure) run 44% above the £328 route average. Book 20 weeks before departure for the lowest fares.

  • How much can I save by having a stopover when flying from Cancún to San Francisco?

    On this route, stopover flights are cheaper than direct options on average. Stopover fares average £227 return via Los Angeles (LAX), compared with £350 for direct.

  • What is the standard checked bag allowance on flights from Cancún to San Francisco?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £30–£75 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Cancún to San Francisco?

    The Boeing 737 MAX 9 family is used most often on this route, operated mainly by United Airlines and Alaska Airlines. Other aircraft seen on the route include Boeing 737-900 variants.

  • How are flight departures from Cancún to San Francisco spread across the day?

    Afternoon is the busiest departure period on Cancún to San Francisco flights, with 50% leaving in that window. Evening departures account for 50%, Morning flights for 0%, and Night flights for 0%.

  • Have flight prices from Cancún to San Francisco changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £208 to £1,300. That means the highest observed fare was about 6x higher than the lowest one.

  • Which airlines offer Wi-Fi on Cancún to San Francisco flights?

    Alaska Airlines is the only airline on the Cancún to San Francisco route offering in-flight Wi-Fi. Pricing depends on fare class.

  • How are flight prices from Cancún to San Francisco looking right now?

    One-way fares from Cancún to San Francisco are currently lower than usual. Average one-way flight prices are about £193, which is 26% below the typical average for this route.

  • Which car hire options are available at San Francisco Airport (SFO)?

    San Francisco Airport (SFO) hosts 5 major car hire companies, with daily rates starting from around £11 for economy cars. Top options include:

    • Europcar
    • Thrifty
    • Dollar
    • Hertz
    • Fox

  • Which airports can I use when flying from Cancún to San Francisco?

    Flights from Cancún to San Francisco usually depart from Cancun (CUN) and arrive at San Francisco (SFO).

  • What time of day has the fewest delays on flights from Cancún to San Francisco?

    Afternoon flights have the fewest delays on this route.

  • At what point is a flight considered delayed on the route from Cancún to San Francisco?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Cancún to San Francisco route, 16% of flights were delayed in the past three months, with delays averaging 2h 56m.

  • Which airports do connecting flights from Cancún to San Francisco pass through?

    One-stop flights from Cancún to San Francisco most commonly connect through:

    • Mexico City Benito Juarez (MEX) – 50% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) – 14% of one-stop connections
    • Denver Intl (DEN) – 14% of one-stop connections
    • Houston George Bush Intcntl (IAH) – 9% of one-stop connections

  • Can I save money by using flexible dates for flights from Cancún to San Francisco?

    Yes. Flexible dates can save you up to 24% on flights from Cancún to San Francisco. Sunday is the cheapest departure day at £291 return on average, while Tuesday is the most expensive at £379, a difference of £87.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • Which airlines fly from Cancún to San Francisco?

    2 airlines operate flights between Cancún and San Francisco. The airlines offering direct flights on this route include:

    • United Airlines
    • Alaska Airlines

  • How much time can I save by choosing a different stopover airport from Cancún to San Francisco?

    Flying via Los Angeles (LAX) gives the shortest average 1-stop total travel time of 8h 26m, compared to 8h 51m via Dallas/Fort Worth (DFW) and 9h 01m via Mexico City Benito Juarez (MEX).

  • What is the time difference between Cancún and San Francisco?

    San Francisco is 2 hours behind Cancún (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in San Francisco?

    Some of the most popular sights in San Francisco are Union Square, Fisherman's Wharf, and Moscone Center. These are among the most viewed places in San Francisco on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Cancún to San Francisco flights?

    Among airlines operating Cancún to San Francisco flights:

    • United Airlines: offers extra legroom; offers free seat selection
    • American Airlines: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Cancún to San Francisco flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • United Airlines: a cabin bag and a checked bag in Economy class
    • Virgin Australia: a cabin bag and a checked bag in Business Class
    • Lufthansa: a cabin bag in Economy class class

    Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

Your guide to booking Cancún to San Francisco flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure and avoid flying on Tuesday. On this route, Sunday flights average £291, about £87 less than Tuesday fares (23% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 20 weeks before you fly. On this route, that window historically saves about 46% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Cancún to San Francisco trip for February. Fares historically average £268 return in that month – typically £231 less than the most expensive month, which is August (based on the last 12 months).
  • For the best chance of arriving on time, fly with United Airlines. Over the past three months, 85% of United Airlines flights from Cancún to San Francisco arrived on time, slightly above the route average of 84%. When flights on this route arrive late, they're delayed by an average of 2h 56m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.
  • If you have the time, taking a 1-stop flight through Los Angeles Airport (LAX) can be cheaper than flying direct. The cheapest stopover option averages £227 return on this route – about £123 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to San Francisco Airport.

    • Grand Hyatt At Sfo

Prefer to fly direct from Cancun to San Francisco?

 
Find which airlines fly direct from Cancun Airport to San Francisco Airport, which days they fly and book direct flights.

Direct departures

Cancun to San Francisco

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Direct returns

San Francisco to Cancun

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

More options for your flight from Cancún to San Francisco

Complete your trip to San Francisco with a hotel stay or car hire