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Cheap flights from San Francisco to Cancún from £131

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CUN
31 Mar — 7 Apr1
1 adult

Cheap 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 26 March 2025.

Round-trip from

£316

One-way from

£131

Popular in

December

Cheapest in

January

Average price

£460
JetBlue
  • JetBlue
  • 5/5-13/5
  • 2 total stops
  • 26h 31m total
  • San Francisco to Cancún
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1/5
  • 1/5
  • 2 total stops
  • 32h 17m total
  • San Francisco to Cancún
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£5 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
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Average for round-trip flights in March 2025
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Find flight deals from San Francisco to Cancún

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 26 March 2025.

Mon 5/520:52SFO - CUN
1 stop14h 23mJetBlue
Wed 14/511:20CUN - SFO
1 stop12h 08mJetBlue
Deal found 25/3£316
Mon 19/520:52SFO - CUN
1 stop15h 18mMultiple Airlines
Thu 22/509:12CUN - SFO
1 stop15h 21mMultiple Airlines
Deal found 25/3£336
Sun 4/521:45SFO - CUN
2 stops15h 16mAlaska Airlines
Wed 14/517:29CUN - SFO
2 stops24h 56mAlaska Airlines
Deal found 25/3£352
Fri 11/418:11SFO - CUN
1 stop16h 01mSun Country Air
Wed 23/412:05CUN - SFO
1 stop23h 22mSun Country Air
Deal found 25/3£361
Mon 14/420:06SFO - CUN
1 stop8h 29mHawaiian Airlines
Fri 18/417:41CUN - SFO
Nonstop6h 16mHawaiian Airlines
Deal found 24/3£378
Tue 25/323:54SFO - CUN
1 stop9h 10mDelta
Sat 29/306:04CUN - SFO
1 stop8h 30mDelta
Deal found 25/3£437
Tue 3/614:45SFO - CUN
2 stops47h 12mWestJet
Mon 9/613:50CUN - SFO
2 stops33h 35mWestJet
Deal found 25/3£457
Wed 26/300:15SFO - CUN
1 stop10h 55mAvianca
Wed 2/414:10CUN - SFO
2 stops10h 35mAvianca
Deal found 26/3£466
Fri 18/400:43SFO - CUN
1 stop7h 21mUnited Airlines
Thu 24/413:04CUN - SFO
Nonstop5h 47mUnited Airlines
Deal found 25/3£472
Sun 23/1113:00SFO - CUN
1 stop8h 53mAeromexico
Fri 28/1106:00CUN - SFO
1 stop8h 30mAeromexico
Deal found 25/3£475
Fri 22/819:45SFO - CUN
2 stops15h 35mSouthwest
Sun 24/815:15CUN - SFO
2 stops10h 50mSouthwest
Deal found 25/3£507

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 26 March 2025.
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

Mon 5/5

20:52-13:15

1 stop14h 23m

Cancun

Tue 13/5

11:20-21:28

1 stop12h 08m

£316

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Mon 19/5

20:52-14:10

1 stop15h 18m

Cancun

Thu 22/5

09:12-22:33

1 stop15h 21m

£336

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sun 4/5

21:45-15:01

2 stops15h 16m

Cancun

Wed 14/5

17:29-16:25

2 stops24h 56m

£352

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Fri 11/4

18:11-12:12

1 stop16h 01m

Cancun

Wed 23/4

12:05-09:27

1 stop23h 22m

£361

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Mon 14/4

20:06-06:35

1 stop8h 29m

Cancun

Fri 18/4

17:41-21:57

Nonstop6h 16m

£378

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Mon 19/5

00:40-17:28

2 stops14h 48m

Cancun

Fri 30/5

13:34-21:12

1 stop9h 38m

£440

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Tue 3/6

14:45-15:57

2 stops47h 12m

Cancun

Mon 9/6

13:50-21:25

2 stops33h 35m

£457

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Fri 18/4

00:43-10:04

1 stop7h 21m

Cancun

Thu 24/4

13:04-16:51

Nonstop5h 47m

£472

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sat 12/4

06:30-21:00

2 stops12h 30m

Cancun

Sat 19/4

10:00-21:30

2 stops13h 30m

£484

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Thu 1/5

14:18-00:35

2 stops32h 17m

£131

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Showing 1-10 of 18 results
1
2

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 21 March 2025.

Booking 40 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, March is the cheapest month in which you can book a flight from San Francisco to Cancún (average of £317). Flying from San Francisco to Cancún in July is currently the most expensive (average of £985). 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 26 March 2025.

It’s optimal to fly from San Francisco to Cancún in the morning. By choosing this option you can save up to 7% on the cost of your flight, compared to a flight at midday.

Rainfall in Cancún by month

Plan your trip to Cancún by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Cancún ranges from 29.0 - 282.0 inches per month. October is typically the wettest month, when rainfall can reach 282.0 mm. April is typically the driest time to visit Cancún when rainfall is around 29.0 mm.

Temperature in Cancún by month

Plan your trip to Cancún by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Cancún, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.0 C).

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 26 March 2025.
Read through reviews of airlines operating flights from San Francisco to Cancún, such as Southwest, Alaska Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very Good
4,273 reviews
Check prices

Overall

8.1

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.1
Very Good
4,273 reviews
Southwest
8.1
Very Good
4,273 reviews
Check prices

Overall

8.1

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Alaska Airlines
8.0
Very Good
9,795 reviews
Southwest
8.1
Very Good
4,273 reviews
Check prices

Overall

8.1

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very Good
7,891 reviews
Southwest
8.1
Very Good
4,273 reviews
Check prices

Overall

8.1

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Hawaiian Airlines
7.9
Good
2,334 reviews
Southwest
8.1
Very Good
4,273 reviews
Check prices

Overall

8.1

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,608 reviews
Southwest
8.1
Very Good
4,273 reviews
Check prices

Overall

8.1

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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?

    If you book a flight from San Francisco to Cancún, you will be flying from San Francisco to Cancun. Flights to Cancun (CUN) from San Francisco (SFO) take 5h 22m for a nonstop flight. There are 4 flights from San Francisco to Cancún per day from 1 airline.

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

    Within the past month, 8 users have taken a look at flights from San Francisco to Cancun.

  • What are the cheapest airlines flying from San Francisco to Cancún round-trip?

    Flying on JetBlue is currently your cheapest option to Cancún, with prices starting at £316. Additional return tickets that might be worth considering are offered by Alaska Airlines and Sun Country Air, with the lowest prices starting at £352 and £361, respectively. JetBlue is currently priced 37% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from San Francisco to Cancún one-way?

    The cheapet airlines for a one-way flight from San Francisco to Cancún are Frontier (£150), JetBlue (£154), and Alaska Airlines (£161).

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

    Consider United Airlines (98%), American Airlines (89%) or Alaska Airlines (89%) when booking your flight. These represent the most reliable airlines when flying from San Francisco to Cancún.

  • 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, March is the cheapest month in which you can book a flight from San Francisco to Cancún (average of £317). Flying from San Francisco to Cancún in July is currently the most expensive (average of £985). 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 San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Holbox
Puerto Aventuras

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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 858,174 searches. Data last updated 26 March 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£387Average£652FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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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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