SFO - CUN

$336 Find Cheap Flights from San Francisco to Cancun – Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 26% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest return flight
$648
Typical prices: $752-$1,136
United Airlines
Fri 2/2Tue 6/2
SFO - CUN • Direct
Cheapest one-way flight
$336
Typical prices: $341-$537
United Airlines
Thu 8/11
SFO - CUN • Direct
Direct flights
You can fly direct with United Airlines and Alaska Airlines. Average duration is 5h 19m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 84% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 14 weeks in advance save around 17% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 20% price drop
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Cheapest • Avg $592 (return)
Shortest trip • 8h 04m (one-way)
Insights
Insights
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Cancún!
Flight Deals
Booking Insights
Flight Deals

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

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

Recent return flight deals from San Francisco to Cancún

Tue, 2 Feb - Sat, 6 Feb
United Airlines Logo
08:45 - 17:08SFO  San Francisco-CUN Cancun
5h 23mdirect
United Airlines Logo
18:05 - 21:08CUN  Cancun-SFO San Francisco
6h 03mdirect
$648United Airlines
Thu, 4 Feb - Fri, 26 Feb
Delta Logo
21:30 - 11:00SFO  San Francisco-CUN Cancun
10h 30m1 stop Atlanta Hartsfield-Jackson
Delta Logo
13:28 - 19:59CUN  Cancun-SFO San Francisco
9h 31m1 stop Mexico City Benito Juarez
$649Delta
Sun, 10 Jan - Tue, 19 Jan
Delta Logo
06:31 - 00:29SFO  San Francisco-CUN Cancun
14h 58m1 stop Mexico City Benito Juarez
Delta Logo
12:27 - 23:41CUN  Cancun-SFO San Francisco
14h 14m2 stops Mexico City Benito Juarez Seattle/Tacoma Intl
$651Delta
Fri, 27 Nov - Thu, 3 Dec
Delta Logo
07:05 - 00:32SFO  San Francisco-CUN Cancun
14h 27m2 stops Los Angeles Mexico City Benito Juarez
Delta Logo
06:49 - 20:05CUN  Cancun-SFO San Francisco
16h 16m1 stop Mexico City Benito Juarez
$653Delta
Mon, 18 Jan - Fri, 22 Jan
United Airlines Logo
08:45 - 17:08SFO  San Francisco-CUN Cancun
5h 23mdirect
United Airlines Logo
18:05 - 21:08CUN  Cancun-SFO San Francisco
6h 03mdirect
$655United Airlines
Sun, 13 Dec - Fri, 18 Dec
Delta Logo
23:39 - 15:35SFO  San Francisco-CUN Cancun
12h 56m1 stop Minneapolis St Paul
Delta Logo
16:35 - 00:10CUN  Cancun-SFO San Francisco
10h 35m1 stop Minneapolis St Paul
$656Delta
Fri, 8 Jan - Sun, 17 Jan
Delta Logo
06:31 - 19:43SFO  San Francisco-CUN Cancun
10h 12m1 stop Mexico City Benito Juarez
Delta Logo
17:05 - 22:57CUN  Cancun-SFO San Francisco
8h 52m1 stop Salt Lake City
$662Delta
Sun, 13 Dec - Fri, 18 Dec
Delta Logo
23:39 - 15:35SFO  San Francisco-CUN Cancun
12h 56m1 stop Minneapolis St Paul
Delta Logo
12:05 - 23:00CUN  Cancun-SFO San Francisco
13h 55m2 stops Austin Bergstrom Los Angeles
$663Delta
Tue, 5 Jan - Tue, 19 Jan
United Airlines Logo
21:25 - 07:29SFO  San Francisco-CUN Cancun
7h 04m1 stop Los Angeles
United Airlines Logo
18:16 - 00:30CUN  Cancun-SFO San Francisco
9h 14m1 stop Houston George Bush Intcntl
$665United Airlines
Wed, 2 Dec - Thu, 10 Dec
Delta Logo
20:59 - 16:20SFO  San Francisco-CUN Cancun
16h 21m1 stop Seattle/Tacoma Intl
Delta Logo
12:16 - 23:43CUN  Cancun-SFO San Francisco
14h 27m2 stops Mexico City Benito Juarez Seattle/Tacoma Intl
$668Delta
Booking Insights

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

Return flights from San Francisco to Cancún typically range from $752 to $1,136. The lowest price found in the past 5 days was $648 on United Airlines.

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

Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from San Francisco to Cancún. It’s 8% cheaper than the average day, while Thursday is the most expensive, with prices 5% higher.

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

•January is the cheapest month to fly from San Francisco to Cancún at $743 return.
•December ($1,108) and June ($994) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 49% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from San Francisco to Cancún the cheapest?

Flights from San Francisco to Cancún are cheapest 14 weeks before departure. Booking in this window typically costs about 17% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for San Francisco to Cancún flights

Low season

September

Cheapest flight

$336
Beat the crowds with an average 43% drop in traveller numbers.
The most popular month to fly with an average 33% increase in traveller numbers.
One-way flight from San Francisco to Cancún

When to book flights from San Francisco to Cancún

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

Your San Francisco to Cancún 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 San Francisco to Cancún?

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

    • Earliest: departs at 06:41 and lands at 12:00
    • Latest: departs at 23:00 and lands at 04:19.

    The flight takes about 5h 19m.

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

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

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

    A direct flight from San Francisco to Cancún takes 5h 19m, covering 6,226 km.

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

    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 San Francisco to Cancún flight?

    Return flights from San Francisco to Cancún range from $752 to $1,136, with an average of $924 over the past 12 months. Anything below $752 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 9% above the $924 route average. Book 14 weeks before departure for the lowest fares.

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

    On this route, stopover flights are cheaper than direct options on average. Stopover fares average $592 return via Atlanta Hartsfield-Jackson (ATL), compared with $959 for direct.

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

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge $57–$142 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 San Francisco to Cancún?

    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 San Francisco to Cancún spread across the day?

    Morning is the busiest departure period on San Francisco to Cancún flights, with 67% leaving in that window. Night departures account for 33%, Afternoon flights for 0%, and Evening flights for 0%.

  • Have flight prices from San Francisco to Cancún 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 $648 to $4,614. That means the highest observed fare was about 7x higher than the lowest one.

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

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

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

    One-way fares from San Francisco to Cancún are currently lower than usual. Average one-way flight prices are about $357, which is 16% below the typical average for this route.

  • Which car hire options are available at Cancun Airport (CUN)?

    Cancun Airport (CUN) hosts 5 major car hire companies, with daily rates starting from around $2 for economy cars. Top options include:

    • Hertz
    • MEXRENTACAR
    • America Car Rental
    • Budget
    • Europcar

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

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

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

    Morning flights have the fewest delays on this route, while night departures tend to have the most.

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

    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 San Francisco to Cancún route, 17% of flights were delayed in the past three months, with delays averaging 2h 38m.

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

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

    • Mexico City Benito Juarez (MEX) – 31% of one-stop connections
    • Dallas/Fort Worth (DFW) – 29% of one-stop connections
    • Denver Intl (DEN) – 14% of one-stop connections
    • Salt Lake City (SLC) – 5% of one-stop connections

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

    Yes. Flexible dates can save you up to 12% on flights from San Francisco to Cancún. Sunday is the cheapest departure day at $857 return on average, while Thursday is the most expensive at $974, a difference of $117.

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

  • Which airlines fly from San Francisco to Cancún?

    2 airlines operate flights between San Francisco and Cancún. 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 San Francisco to Cancún?

    Flying via Phoenix Sky Harbor Intl (PHX) gives the shortest average 1-stop total travel time of 8h 04m, compared to 8h 23m via Dallas/Fort Worth (DFW) and 8h 23m via Houston George Bush Intcntl (IAH).

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

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

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

    Among airlines operating San Francisco to Cancún flights:

    • United Airlines: offers extra legroom; offers free seat selection
    • Alaska Airlines: 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 San Francisco to Cancún 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
    • Austrian Airlines: a cabin bag and a checked bag in Business Class
    • Virgin Australia: a cabin bag and a checked bag in Business Class

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

  • Are there any prayer rooms or chapels at San Francisco International Airport?

    Although San Francisco International Airport does not have an interfaith chapel, there is a Christian Science Reading Room that is in Terminal 1 and provides travelers with a quiet area to relax, meditate, and pray. The Berman Reflection Room can be found in the International Terminal and is also meant to be used for self reflection.

  • What can I do at San Francisco International Airport while waiting for my flight?

    If you are interested in learning more about San Francisco International Airport, head to an Information Desk to receive a map of one of the three different self-guided tours that are available. For those who enjoy planes, go to the Aviation Museum in the International Terminal, which is free to access and features exhibits related to the region’s aviation history.

  • Do any hotels have a complimentary shuttle service to Cancun International Airport?

    The Bel Air Collection Resort & Spa Cancun is a luxurious 4-star choice that offers a free shuttle to Cancun International Airport and is located directly on the Caribbean Sea. If you would like a more budget-friendly hotel, select the Comfort Inn Cancun Aeropuerto, which also has a free shuttle service and is a 20m drive from Delfines Beach.

  • Where is there to eat at Cancun International Airport?

    TGI Fridays can be found in Terminal 2 of Cancun International Airport and serves a casual American-style menu, while Bubba Gump is in Terminal 3 and specializes in fish and seafood. Peking Xpress is also in Terminal 3 and a has a selection of Chinese to-go items.

Your guide to booking San Francisco to Cancún 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 Thursday. On this route, Sunday flights average $857, about $117 less than Thursday fares (12% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 14 weeks before you fly. On this route, that window historically saves about 17% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your San Francisco to Cancún trip for January. Fares historically average $743 return in that month – typically $364 less than the most expensive month, which is December (based on the last 12 months).
  • For the best chance of arriving on time, fly with United Airlines. Over the past three months, 84% of United Airlines flights from San Francisco to Cancún arrived on time, slightly above the route average of 83%. When flights on this route arrive late, they're delayed by an average of 2h 38m, 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 Atlanta Hartsfield-Jackson Airport (ATL) can be cheaper than flying direct. The cheapest stopover option averages $592 return on this route – about $367 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 Cancun Airport.

    • Courtyard by Marriott Cancun Airport
  • To make your travels as easy as possible, search for nonstop flights from San Francisco to Cancun. Interjet and United Airlines offer many daily flights without layovers, and they also allow international travelers to check one piece of luggage for free.
  • If you would like to relax in a comfortable and quiet area before your flight from San Francisco to Cancun leaves, buy a pass for the Centurion Lounge in Terminal 3 of San Francisco International Airport (SFO). Equipped with showers, Wi-Fi, televisions, and magazines, this lounge contains everything you will need to relax for a few hours before boarding.
  • For those who often get stressed while traveling, consider paying a visit to one of the two yoga rooms at San Francisco International Airport. Located in Terminals 2 and 3, these rooms contain free exercise mats, drinking fountains, and educational DVDs that show guests how to do popular yoga positions.
  • To grab a taxi to travel from Cancun International Airport (CUN) to your hotel, stop by the Prepaid Taxi booth in the Arrivals terminal. This desk will allow you to pay a flat rate for your trip and will provide you with a ticket that you will then present to your taxi driver.
  • If you need to leave a coat or a small bag at Cancun International Airport, go to the Luggage Storage and Locker desk that can be found in the main Arrivals terminal. Items can be stored for both short and long-term periods, and prices start at 80 MXN (approximately 4 USD) per day.

Prefer to fly direct from San Francisco to Cancun?

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

Direct departures

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

Direct returns

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

More options for your flight from San Francisco to Cancún

Complete your trip to Cancún with a hotel stay or car hire