CUN - SFO

$204 Find Cheap Flights from Cancun to San Francisco - Compare and Save

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Everything you should know

Cheapest round-trip
$345
Typical prices: $367-$542
Frontier
Mon 10/22Tue 10/30
CUN - SFO • 1 stop
Cheapest non-stop
$434
Typical prices: $382-$568
United Airlines
Mon 11/19Thu 11/29
CUN - SFO • Non-stop
Nonstop flights
You can fly direct with United Airlines and Alaska Airlines. Average duration is 5h 58m
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 travelers who book at least 20 weeks in advance save around 47% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 17% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $304 (round-trip)
Shortest trip • 8h 57m (one-way)
Insights
Insights
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We hope you love your trip to San Francisco!
Flight Deals
Booking Insights
Expert advice
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 round-trip flight deals from Cancún to San Francisco

Fri, Nov 20 - Mon, Nov 23
Air Canada Logo
8:00 am - 10:57 pmCUN  Cancun-SFO San Francisco
17h 57m1 stop Vancouver Intl
Air Canada Logo
2:45 pm - 7:00 amSFO  San Francisco-CUN Cancun
13h 15m1 stop Vancouver Intl
$381Air Canada
Fri, Nov 20 - Mon, Nov 23
Air Canada Logo
8:00 am - 4:06 pmCUN  Cancun-SFO San Francisco
11h 06m1 stop Vancouver Intl
Air Canada Logo
2:45 pm - 7:00 amSFO  San Francisco-CUN Cancun
13h 15m1 stop Vancouver Intl
$382Air Canada
Fri, Nov 20 - Mon, Nov 23
Air Canada Logo
8:00 am - 4:06 pmCUN  Cancun-SFO San Francisco
11h 06m1 stop Vancouver Intl
Air Canada Logo
2:45 pm - 7:00 amSFO  San Francisco-CUN Cancun
13h 15m1 stop Vancouver Intl
$383Air Canada
Thu, Nov 19 - Sun, Nov 29
Air Canada Logo
8:00 am - 4:06 pmCUN  Cancun-SFO San Francisco
11h 06m1 stop Vancouver Intl
Air Canada Logo
2:45 pm - 7:00 amSFO  San Francisco-CUN Cancun
13h 15m1 stop Vancouver Intl
$383Air Canada
Thu, Oct 22 - Wed, Oct 28
Frontier Logo
9:55 am - 10:25 pmCUN  Cancun-SFO San Francisco
14h 30m1 stop Dallas/Fort Worth
Frontier Logo
10:17 pm - 12:41 pmSFO  San Francisco-CUN Cancun
12h 24m1 stop Atlanta Hartsfield-Jackson
$391Frontier
Fri, Sep 25 - Sun, Oct 25
Frontier Logo
1:51 pm - 8:14 amCUN  Cancun-SFO San Francisco
20h 23m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl
Frontier Logo
10:14 pm - 12:41 pmSFO  San Francisco-CUN Cancun
12h 27m1 stop Atlanta Hartsfield-Jackson
$406Frontier
Tue, Nov 24 - Mon, Nov 30
Air Canada Logo
8:00 am - 4:06 pmCUN  Cancun-SFO San Francisco
11h 06m1 stop Vancouver Intl
Air Canada Logo
4:55 pm - 4:55 pmSFO  San Francisco-CUN Cancun
21h 00m1 stop Vancouver Intl
$407Air Canada
Thu, Nov 12 - Mon, Nov 16
Air Canada Logo
8:00 am - 10:57 pmCUN  Cancun-SFO San Francisco
17h 57m1 stop Vancouver Intl
Air Canada Logo
4:55 pm - 7:00 amSFO  San Francisco-CUN Cancun
11h 05m1 stop Vancouver Intl
$409Air Canada
Fri, Sep 25 - Sun, Oct 25
United Airlines Logo
12:57 pm - 4:40 pmCUN  Cancun-SFO San Francisco
5h 43mnonstop
United Airlines Logo
10:45 pm - 12:43 pmSFO  San Francisco-CUN Cancun
11h 58m1 stop Chicago O'Hare Intl
$432United Airlines
Thu, Sep 24 - Sun, Sep 27
United Airlines Logo
12:57 pm - 4:40 pmCUN  Cancun-SFO San Francisco
5h 43mnonstop
United Airlines Logo
12:45 am - 10:06 amSFO  San Francisco-CUN Cancun
7h 21m1 stop Houston George Bush Intcntl
$432United Airlines
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 from Cancún to San Francisco with more confidence.

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

Round-trip flights from Cancún to San Francisco start at $345. Prices are below average for this route right now, with typical round-trip fares ranging from $367 to $542. The lowest price found in the past 5 days was $345 on Frontier.

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

Saturday is the cheapest day of the week to fly from Cancún to San Francisco, it is 11% cheaper than the average day. Tuesday is the most expensive day with flight prices 16% higher than average. Based on deals found by KAYAK users in the last 12 months.

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 $359 round-trip.
  • August ($668) and September ($539) 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 prices 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 47% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Cancún to San Francisco

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on Alaska Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Stefanie Waldek

Stefanie Waldek

Expert on United Airlines

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Blane Bachelor

Blane Bachelor

Expert on SFO

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Brandon Schultz

Brandon Schultz

Expert on CUN

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Key details for Cancún to San Francisco flights

Low season

October

Cheapest flight

$204
Best time to beat the crowds but there is an average 21% increase in price.
Most popular time to fly and prices are also 17% lower on average.
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 round-trip price

Your Cancún to San Francisco flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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.

  • What airlines are available from Cancún to San Francisco?

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

    • United Airlines
    • Alaska Airlines

  • 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).

  • 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
    • Lufthansa: a cabin bag and a checked bag in Economy Class
    • American Airlines: a cabin bag in Economy Class class

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

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

    Three cabin classes are available on flights from Cancún to San Francisco:

    • Economy Class
    • Business Class
    • First Class

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

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $304 round-trip via Los Angeles (LAX), compared to $467 for nonstop.

  • 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 $40–$100 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.

  • 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) - 55% 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

    Mexico City Benito Juarez (MEX) handles the largest share of one-stop connections on this route.

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

    On the Cancún to San Francisco route, being flexible with your departure day can save you up to 24%. Saturday is the cheapest day at $390 round-trip on average, while Tuesday is the most expensive at $507: a $117 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • At what point is a flight considered delayed 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 3 months, with delays averaging 2 hours 57 minutes.

  • 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% of flights leaving in that window. Evening departures account for 50%, morning flights for 0%, and night flights for 0%.

  • What popular places can I visit in San Francisco?

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

  • 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 pm and lands at 6:43 pm
    • Latest: departs at 6:45 pm and lands at 12:43 am.

    The flight takes about 5h 58m.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 42% above the route average of $435. Book 20 weeks before departure for the lowest fares.

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

    A nonstop flight from Cancún to San Francisco takes 5h 58m, 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.

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

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $345 to $2,080. That means the highest observed fare was about 6x higher than the lowest one.

  • 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 $217, which is 38% below the typical average for this route.

  • How do delay rates compare for morning and evening flights from Cancún to San Francisco?

    Afternoon flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

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

    Flying via Los Angeles (LAX) gives the shortest average 1-stop total travel time at 8h 26m, compared with 8h 57m via Mexico City Benito Juarez (MEX) and 9h 06m via Houston George Bush Intcntl (IAH).

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

    San Francisco Airport (SFO) hosts 5 major car rental companies, with daily rates starting from around $15 for economy cars. Top options include:
    · Thrifty
    · Europcar
    · Dollar
    · Hertz
    · Fox

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

    Round-trip flights from Cancún to San Francisco range from $367 to $542, with an average of $435 over the past 12 months. Anything below $367 counts as a good deal.

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 can be flexible, aim for a Saturday departure instead of Tuesday. On this route, Saturday flights average $390 - about $117 less than Tuesday (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 47% 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 $359 round-trip in that month - typically $309 less than the most expensive month, which is August (based on the last 12 months).
  • If arriving on time is high on your priority list, United Airlines is the strongest pick on this route. 85% of United Airlines flights from Cancún to San Francisco arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 84%. When flights on this route do arrive late, the average delay is 2 hours 57 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
  • If you have the time, taking a 1-stop flight through Los Angeles Airport (LAX) can be cheaper than flying direct. The cheapest layover option averages $304 round-trip on this route - about $163 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

United Airlines,Alaska Airlines

United Airlines,Alaska 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

United Airlines,Alaska Airlines

United Airlines,Alaska 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 rental