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Cheap flights from San Francisco to Cancún from $311

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CUN
18 May — 25 May1
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 13 May 2025.

Round-trip from

$779

One-way from

$311

Popular in

December

Cheapest in

January

Average price

$1,021

Good round-trip deal

$1,030 or less
United Airlines
  • United Airlines
  • 25/5-9/9
  • 1 total stop
  • 15h 06m total
  • San Francisco to Cancún
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Delta
  • Delta
  • 12/10
  • 1 total stop
  • 10h 11m total
  • San Francisco to Cancún
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($43 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($32 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from San Francisco to Cancun.
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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 13 May 2025.

Wed 12/1106:00SFO - CUN
1 stop7h 10mHawaiian Airlines
Sun 23/1117:31CUN - SFO
Nonstop6h 00mHawaiian Airlines
Deal found 12/5$779
Tue 18/1120:59SFO - CUN
2 stops14h 11mDelta
Wed 26/1111:14CUN - SFO
1 stop12h 11mDelta
Deal found 12/5$786
Sat 2/815:05SFO - CUN
2 stops22h 10mAlaska Airlines
Tue 5/816:25CUN - SFO
2 stops25h 57mAlaska Airlines
Deal found 11/5$790
Tue 10/620:44SFO - CUN
1 stop14h 31mJetBlue
Tue 17/609:45CUN - SFO
1 stop15h 55mJetBlue
Deal found 12/5$794
Sun 25/500:43SFO - CUN
1 stop7h 21mUnited Airlines
Tue 9/913:43CUN - SFO
1 stop8h 32mUnited Airlines
Deal found 12/5$796
Mon 8/907:30SFO - CUN
2 stops30h 37mWestJet
Tue 16/916:55CUN - SFO
2 stops23h 02mWestJet
Deal found 12/5$843
Wed 18/605:25SFO - CUN
2 stops13h 35mSouthwest
Thu 26/613:05CUN - SFO
2 stops10h 45mSouthwest
Deal found 13/5$980

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 647,157 searches. Data last updated 13 May 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 25/5

00:43-12:02

1 stop9h 19m

Cancun

Tue 9/9

13:04-16:51

Nonstop5h 47m

$779

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sat 2/8

15:05-15:15

2 stops22h 10m

Cancun

Tue 5/8

16:25-16:22

2 stops25h 57m

$790

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sat 2/8

19:08-15:15

1 stop18h 07m

Cancun

Tue 5/8

16:25-23:57

1 stop9h 32m

$791

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Tue 10/6

20:44-13:15

1 stop14h 31m

Cancun

Tue 17/6

09:45-23:40

1 stop15h 55m

$794

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Mon 8/9

07:30-16:07

2 stops30h 37m

Cancun

Tue 16/9

16:55-13:57

2 stops23h 02m

$843

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Wed 10/9

00:40-17:41

2 stops15h 01m

Cancun

Tue 16/9

07:02-14:21

1 stop9h 19m

$855

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Wed 18/6

05:25-21:00

2 stops13h 35m

Cancun

Thu 26/6

13:05-21:50

2 stops10h 45m

$980

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sun 12/10

23:19-11:30

1 stop10h 11m

$311

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Mon 2/6

21:54-15:15

1 stop15h 21m

$313

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sat 19/7

21:25-15:09

1 stop15h 44m

$314

Flights are sorted by cheapest return flights first.

Deals found on 13/5

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 9 May 2025.

Booking 28 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 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 May 2025.

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.

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 13 May 2025.

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

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 13 May 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from San Francisco to Cancún. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very Good
10,000 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very Good
4,290 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very Good
7,949 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,434 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,726 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

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.

  • 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.

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

    According to our current data, United Airlines ($779), Alaska Airlines ($790), and Hawaiian Airlines ($791) offers the cheapest pricing from San Francisco to Cancún. Users have found that United Airlines is 23% cheaper than the other options available to this destination.

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

    $311 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Hawaiian Airlines and JetBlue, with prices starting from $313 and $314, respectively.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Francisco to Cancún on time: Hawaiian Airlines (91%), United Airlines (78%), American Airlines (76%).

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

    The cheapest flight price from San Francisco to Cancún is $1,030. On average you can expect to pay $1,030. The most popular route, (San Francisco - Cancun), can usually be booked for $735.

  • 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.

See more FAQs

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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

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

Yes, we can. To see specific flights from San Francisco to Cancún with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Cancún from San Francisco today and book when prices fit your budget.

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