Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from San Francisco to Cancún from C$ 331

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CUN
13 Jul — 20 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Francisco to Cancún

Enter your travel dates to find the best prices.

Cheapest flights from San Francisco to Cancún
Explore the most affordable flight options available from San Francisco to Cancún. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2026.

Sat 5/910:59 p.m.
SFO
-
CUN
2 stops11h 57m
Delta
Sat 3/107:56 a.m.
CUN
-
SFO
2 stops13h 44m
Delta
Deal found 12/6C$ 621
Tue 14/77:03 a.m.
SFO
-
CUN
1 stop9h 26m
Delta
Tue 21/74:20 p.m.
CUN
-
SFO
1 stop9h 32m
Delta
Deal found 11/6C$ 622
Tue 3/116:00 a.m.
SFO
-
CUN
1 stop12h 15m
Delta
Sat 14/111:30 p.m.
CUN
-
SFO
1 stop12h 09m
Delta
Deal found 11/6C$ 628
Mon 10/810:00 p.m.
SFO
-
CUN
2 stops13h 01m
Delta
Mon 17/82:06 p.m.
CUN
-
SFO
2 stops11h 51m
Delta
Deal found 11/6C$ 635
Mon 17/811:40 p.m.
SFO
-
CUN
1 stop10h 30m
Southwest
Fri 21/81:40 p.m.
CUN
-
SFO
2 stops11h 45m
Southwest
Deal found 12/6C$ 661
Tue 14/77:46 p.m.
SFO
-
CUN
2 stops12h 09m
Multiple Airlines
Wed 15/73:31 p.m.
CUN
-
SFO
1 stop10h 52m
Multiple Airlines
Deal found 12/6C$ 665
Tue 3/115:00 a.m.
SFO
-
CUN
1 stop8h 00m
Southwest
Wed 11/114:35 p.m.
CUN
-
SFO
1 stop8h 30m
Southwest
Deal found 10/6C$ 689
Sun 2/811:40 p.m.
SFO
-
CUN
1 stop11h 50m
Southwest
Tue 11/812:50 p.m.
CUN
-
SFO
2 stops10h 20m
Southwest
Deal found 12/6C$ 695
Mon 24/87:55 p.m.
SFO
-
CUN
2 stops13h 55m
Southwest
Fri 28/81:40 p.m.
CUN
-
SFO
2 stops11h 10m
Southwest
Deal found 10/6C$ 696
Fri 27/118:59 a.m.
SFO
-
CUN
Nonstop5h 21m
United Airlines
Fri 4/121:35 p.m.
CUN
-
SFO
Nonstop6h 03m
United Airlines
Deal found 9/6C$ 709
Sun 13/910:30 p.m.
SFO
-
CUN
1 stop11h 20m
Southwest
Fri 18/94:05 p.m.
CUN
-
SFO
1 stop8h 45m
Southwest
Deal found 9/6C$ 714
Mon 14/125:00 a.m.
SFO
-
CUN
1 stop7h 45m
United Airlines
Mon 21/121:35 p.m.
CUN
-
SFO
Nonstop6h 03m
United Airlines
Deal found 9/6C$ 716

Find flight deals from San Francisco to Cancún

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Cancún (CUN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 13 June 2026.

Round-trip from

C$ 621

One-way from

C$ 331

Popular in

December

Cheapest in

February

Average price

C$ 946
Delta
  • Delta
  • 5/9-3/10
  • 4 total stops
  • 25h 41m total
  • San Francisco to Cancún
Search Deals
Southwest
  • Southwest
  • 10/8
  • 1 total stop
  • 11h 10m total
  • San Francisco to Cancún
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Cancún that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 13 June 2026.
Use the filters below to find and compare flights from San Francisco to Cancún that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Tue 11/8

8:51 a.m.-4:12 p.m.

Nonstop5h 21m

Cancun

Fri 28/8

12:57 p.m.-4:40 p.m.

Nonstop5h 43m

C$ 719

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sun 13/9

12:45 a.m.-12:02 p.m.

1 stop9h 17m

Cancun

Mon 21/9

12:57 p.m.-4:40 p.m.

Nonstop5h 43m

C$ 726

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Fri 26/6

9:43 p.m.-12:48 p.m.

1 stop13h 05m

Cancun

Fri 3/7

3:35 p.m.-12:27 a.m.

1 stop10h 52m

C$ 731

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sun 22/11

10:30 p.m.-12:42 p.m.

1 stop11h 12m

Cancun

Thu 26/11

1:35 p.m.-11:57 p.m.

2 stops13h 22m

C$ 734

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Tue 29/9

8:51 a.m.-4:12 p.m.

Nonstop5h 21m

Cancun

Sat 3/10

12:11 p.m.-9:15 p.m.

1 stop11h 04m

C$ 734

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Thu 16/7

9:39 p.m.-12:49 p.m.

1 stop13h 10m

Cancun

Mon 20/7

3:31 p.m.-12:23 a.m.

1 stop10h 52m

C$ 777

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Thu 8/10

9:40 p.m.-3:00 p.m.

1 stop15h 20m

Cancun

Mon 12/10

4:30 p.m.-12:30 a.m.

1 stop10h 00m

C$ 857

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Thu 9/7

11:27 p.m.-6:48 a.m.

Nonstop5h 21m

Cancun

Thu 16/7

5:01 p.m.-8:49 p.m.

Nonstop5h 48m

C$ 867

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Tue 30/6

8:46 a.m.-4:12 p.m.

Nonstop5h 26m

Cancun

Wed 1/7

5:01 p.m.-8:49 p.m.

Nonstop5h 48m

C$ 874

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Mon 13/7

12:45 a.m.-10:06 a.m.

1 stop7h 21m

Cancun

Wed 15/7

5:01 p.m.-8:49 p.m.

Nonstop5h 48m

C$ 885

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Best time to book a flight from San Francisco to Cancún

Have a flexible travel schedule? Discover the best time to fly to Cancún from San Francisco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Booking 50 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Cancún. 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 San Francisco to Cancún?

Currently, February is the cheapest month in which you can book a flight from San Francisco to Cancún (average of C$ 733). Flying from San Francisco to Cancún in December is currently the most expensive (average of C$ 1,036). 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 SFO to CUN?

Find hourly flight availability from San Francisco to Cancún. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 June 2026.

When flying from San Francisco to Cancún, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from San Francisco to Cancún?

Reviews of airlines servicing Cancún

Get insights into the airlines that provide service to Cancún. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cancún. Reviews last updated 13 June 2026.
See what other customers who have flown with United Airlines from San Francisco to Cancún have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,815 reviews
Check prices

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,815 reviews
United Airlines
7.4
Good
9,815 reviews
Check prices

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Cancún. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from San Francisco to Cancún?

    Cancun is the airport most travellers will use when flying to Cancún from San Francisco. Booking flights from San Francisco (SFO) to Cancun (CUN) should be relatively easy as there are 2 daily flights to Cancún from 1 airline. 5h 21m is how long a flight from San Francisco to Cancun will take if you book a nonstop flight.

  • How popular is this San Francisco to Cancún flight route?

    This flight path from San Francisco to Cancun was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    There are many flights that can get you from San Francisco to Cancún in 5h 21m. Fly via Southwest, United Airlines, or Delta to get the fastest option. The distance from San Francisco to Cancún is about 3869 km. Both multi-stop and direct flights can be found to your destination and back.

  • What is the cheapest airline to fly from San Francisco to Cancún round-trip?

    United Airlines, at C$ 712, was found to be the cheapest airline from San Francisco to Cancún.. Users have found that United Airlines is 17% cheaper than the other options available to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco to Cancún 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 San Francisco to Cancún?

    Currently, February is the cheapest month in which you can book a flight from San Francisco to Cancún (average of C$ 733). Flying from San Francisco to Cancún in December is currently the most expensive (average of C$ 1,036). 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 Cancún?

Book flights to Cancún if you plan to visit one of these locations
Holbox
Puerto Aventuras
Punta Sam

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Francisco to Cancún

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Cancún flights

Top airline flying from San Francisco to Cancún

Discover the top airline that operate flights from San Francisco to Cancún. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 13 June 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 712AverageC$ 992FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Francisco to Cancún?

Deals for San Francisco to Cancún flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Millions of users choose and trust Cheapflights to book the best flight deals from San Francisco to Cancún for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes! Cheapflights helps users easily find flights from San Francisco to Cancún with no change fees.

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

Yes, Cheapflights offers price alerts on San Francisco to Cancún flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.