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Cheap flights from San Francisco to Cancún from £150

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 22/3. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CUN
23 Mar — 30 Mar1
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 21 February 2026.

Thu 9/423:55
SFO
-
CUN
1 stop9h 35m
Delta
Fri 17/412:25
CUN
-
SFO
1 stop12h 00m
Delta
Deal found 18/2£277
Sat 11/422:40
SFO
-
CUN
1 stop9h 10m
Delta
Thu 16/414:30
CUN
-
SFO
1 stop9h 55m
Delta
Deal found 18/2£280
Tue 24/317:01
SFO
-
CUN
2 stops15h 04m
Delta
Thu 2/413:20
CUN
-
SFO
1 stop11h 05m
Delta
Deal found 18/2£283
Tue 7/423:55
SFO
-
CUN
1 stop10h 40m
Delta
Thu 9/412:45
CUN
-
SFO
1 stop10h 14m
Delta
Deal found 18/2£284
Thu 12/308:00
SFO
-
CUN
1 stop10h 20m
Delta
Mon 16/311:15
CUN
-
SFO
1 stop11h 10m
Delta
Deal found 18/2£288
Fri 10/421:35
SFO
-
CUN
2 stops12h 12m
Delta
Fri 17/412:45
CUN
-
SFO
2 stops12h 25m
Delta
Deal found 18/2£291
Tue 5/519:40
SFO
-
CUN
1 stop17h 18m
Alaska Airlines
Tue 12/517:30
CUN
-
SFO
1 stop18h 00m
Alaska Airlines
Deal found 19/2£318
Thu 5/306:15
SFO
-
CUN
1 stop8h 02m
Frontier
Mon 9/309:01
CUN
-
SFO
1 stop12h 13m
Frontier
Deal found 18/2£323
Tue 14/423:55
SFO
-
CUN
1 stop11h 40m
Delta
Fri 24/408:05
CUN
-
SFO
1 stop16h 20m
Delta
Deal found 18/2£332
Thu 12/308:00
SFO
-
CUN
1 stop10h 20m
Delta
Sun 15/315:25
CUN
-
SFO
1 stop11h 10m
Delta
Deal found 18/2£340

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 21 February 2026.

Round-trip from

£277

One-way from

£150

Popular in

December

Cheapest in

January

Average price

£425

Good round-trip deal

£426 or less
Delta
  • Delta
  • 9/4-17/4
  • 2 total stops
  • 21h 35m total
  • San Francisco to Cancún
Search Deals
22/3
  • 22/3
  • 3 total stops
  • 40h 56m total
  • San Francisco to Cancún
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£12 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from San Francisco to Cancun.
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 21 February 2026.
Use the filters below to find and compare flights from San Francisco to Cancún that are best for you.

Fly from

San Francisco

Fly to

Cancún

Route

Depart

Return

Price

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Tue 17/3

23:35-11:45

1 stop10h 10m

Cancun

Wed 25/3

11:05-23:00

2 stops13h 55m

£288

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Tue 19/5

08:46-16:12

Nonstop5h 26m

Cancun

Fri 22/5

17:01-20:49

Nonstop5h 48m

£332

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Thu 14/5

23:27-06:48

Nonstop5h 21m

Cancun

Fri 22/5

12:57-16:47

Nonstop5h 50m

£356

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sat 16/5

07:00-19:35

2 stops10h 35m

Cancun

Thu 21/5

13:20-22:25

1 stop11h 05m

£359

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Tue 14/4

00:45-12:02

1 stop9h 17m

Cancun

Thu 23/4

17:01-20:49

Nonstop5h 48m

£359

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Thu 9/4

21:35-11:45

2 stops12h 10m

Cancun

Fri 17/4

12:45-23:10

2 stops12h 25m

£370

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Mon 27/4

16:05-11:45

2 stops17h 40m

Cancun

Tue 5/5

12:45-22:10

2 stops11h 25m

£375

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Tue 28/4

00:45-12:02

1 stop9h 17m

Cancun

Mon 4/5

17:01-20:49

Nonstop5h 48m

£396

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Mon 16/3

21:24-14:50

1 stop15h 26m

Cancun

Fri 20/3

16:10-09:20

1 stop19h 10m

£398

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sat 7/3

08:25-16:45

Nonstop5h 20m

Cancun

Mon 16/3

18:15-07:31

1 stop15h 16m

£409

Flights are sorted by cheapest return flights first.

Deals found on 18/2

Showing 1-10 of 23 results
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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 return 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?

Use this chart to determine the optimal time to book a return flight from San Francisco to Cancún. Price data was last updated on 20 February 2026.

Booking 83 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, July is the cheapest month in which you can book a flight from San Francisco to Cancún (average of £142). Flying from San Francisco to Cancún in December is currently the most expensive (average of £267). 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 21 February 2026.

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

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.

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

    Within the past month, 4 users have taken a look at flights from San Francisco to Cancun.

  • 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 26m. Fly via Delta or United Airlines to get the fastest option. San Francisco and Cancún are separated by a distance of 2404 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most reliable airlines from San Francisco to Cancún?

    Consider United Airlines (58%), Hawaiian Airlines (54%) or American Airlines (54%) when booking your flight. These represent the most reliable airlines when flying from San Francisco to Cancún.

  • What are the cheapest flights from San Francisco to Cancún?

    On average you can expect to pay £478 for a flight from San Francisco to Cancún. The cheapest flight overall is £426 while the most popular route, (San Francisco - Cancun) is currently priced at £464.

  • 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 holiday 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, July is the cheapest month in which you can book a flight from San Francisco to Cancún (average of £142). Flying from San Francisco to Cancún in December is currently the most expensive (average of £267). 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

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Alternative routes for San Francisco to Cancún

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Los Angeles to Cancún flights

Fly with Cheapflights

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

When you search for this flight from San Francisco to Cancún, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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?

Users can book flights with no change fees policies with our dedicated filters. Book flights from San Francisco to Cancún flexibly with Cheapflights today.

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

Not ready to book yet? You can track prices for flights from San Francisco to Cancún on Cheapflights with our Price Alert feature and get notified when better prices are available.

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