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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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CUN
9 Jul — 16 Jul1
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 4 July 2025.

Round-trip from

£291

One-way from

£131

Popular in

December

Cheapest in

January

Average price

£479
Alaska Airlines
  • Alaska Airlines
  • 17/8-26/8
  • 2 total stops
  • 48h 57m total
  • San Francisco to Cancún
Alaska Airlines
  • Alaska Airlines
  • 5/8
  • 1 total stop
  • 7h 15m total
  • San Francisco to Cancún
Highest demand for flights based on searches. 3% potential increase in price (£13 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Average for round-trip flights in July 2025

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 4 July 2025.

Sun 17/822:07SFO - CUN
1 stop15h 08mAlaska Airlines
Tue 26/816:10CUN - SFO
1 stop33h 49mAlaska Airlines
Deal found 3/7£291
Sun 28/908:45SFO - CUN
1 stop28h 15mHawaiian Airlines
Thu 2/1016:10CUN - SFO
1 stop9h 49mHawaiian Airlines
Deal found 3/7£295
Fri 15/821:05SFO - CUN
1 stop13h 10mSouthwest
Fri 22/815:55CUN - SFO
1 stop9h 15mSouthwest
Deal found 3/7£310
Sat 30/821:25SFO - CUN
1 stop9h 00mJetBlue
Sat 6/909:45CUN - SFO
1 stop11h 35mJetBlue
Deal found 3/7£319

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 4 July 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

Sun 17/8

22:07-15:15

1 stop15h 08m

Cancun

Tue 26/8

16:10-23:59

1 stop33h 49m

£291

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sun 28/9

08:45-15:00

1 stop28h 15m

Cancun

Thu 2/10

16:10-23:59

1 stop9h 49m

£295

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Fri 15/8

21:05-12:15

1 stop13h 10m

Cancun

Fri 22/8

15:55-23:10

1 stop9h 15m

£310

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sat 30/8

21:25-08:25

1 stop9h 00m

Cancun

Sat 6/9

09:45-19:20

1 stop11h 35m

£319

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Tue 5/8

06:00-15:15

1 stop7h 15m

£131

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Tue 7/10

06:00-15:00

1 stop7h 00m

£134

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Fri 18/7

23:22-09:32

1 stop8h 10m

£149

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Tue 2/9

20:44-11:50

1 stop13h 06m

£162

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sun 17/8

23:28-06:48

Nonstop5h 20m

£169

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sun 5/10

00:40-12:54

1 stop10h 14m

£172

Flights are sorted by cheapest return flights first.

Deals found on 3/7

Showing 1-10 of 13 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 27 June 2025.

Booking 80 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 4 July 2025.

It’s optimal to fly from San Francisco to Cancún in the morning. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight at midday.

Weekly flight availability from San Francisco to Cancún

Explore weekly flight availability from San Francisco to Cancún. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 4 July 2025.

The most flights from SFO to CUN are scheduled on a Monday (3 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

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 4 July 2025.
See what other customers who have flown with Alaska Airlines, Southwest, andDelta 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.

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very Good

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 2 flights from San Francisco to Cancún per day from 1 airline.

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

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

    Flying on Alaska Airlines is currently your cheapest option to Cancún, with prices starting at £291. Additional return tickets that might be worth considering are offered by Hawaiian Airlines and Southwest, with the lowest prices starting at £295 and £310, respectively. Alaska Airlines is currently priced 38% 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 Alaska Airlines (£131), Hawaiian Airlines (£133), and Frontier (£149).

  • 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
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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.

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 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£367Average£542FlexibilityNo cancel feeOn-time69%
Search United Airlines 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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