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Cheap flights from San Francisco to Cancún from $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 19/8. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CUN
23 apr — 30 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 18 aprile 2025.

Round-trip from

$703

One-way from

$331

Popular in

December

Cheapest in

January

Average price

$1,019
Frontier
  • Frontier
  • 1/6-8/6
  • 2 total stops
  • 22h 03m total
  • San Francisco to Cancún
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Alaska Airlines
  • Alaska Airlines
  • 19/8
  • 1 total stop
  • 7h 15m total
  • San Francisco to Cancún
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($31 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($30 potential savings vs. average return price).
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Average for round-trip flights in April 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 18 aprile 2025.

dom 1/623:38SFO - CUN
1 stop8h 19mFrontier
dom 8/611:04CUN - SFO
1 stop13h 44mFrontier
Deal found 17/4$703
ven 9/520:42SFO - CUN
1 stop15h 53mJetBlue
mar 13/513:08CUN - SFO
1 stop12h 51mJetBlue
Deal found 16/4$708
mar 5/806:00SFO - CUN
1 stop7h 15mAlaska Airlines
mar 19/816:25CUN - SFO
2 stops25h 59mAlaska Airlines
Deal found 17/4$713
mar 3/606:00SFO - CUN
1 stop7h 15mHawaiian Airlines
mar 10/616:25CUN - SFO
1 stop17h 06mHawaiian Airlines
Deal found 17/4$725
dom 24/819:50SFO - CUN
2 stops17h 00mSouthwest
gio 28/814:30CUN - SFO
2 stops10h 50mSouthwest
Deal found 17/4$794
dom 1/610:15SFO - CUN
3 stops23h 58mMultiple Airlines
dom 8/614:50CUN - SFO
2 stops23h 52mMultiple Airlines
Deal found 17/4$816
mar 20/515:15SFO - CUN
1 stop18h 50mSun Country Air
sab 31/513:05CUN - SFO
1 stop27h 07mSun Country Air
Deal found 16/4$856
mar 20/523:18SFO - CUN
1 stop8h 12mAeromexico
gio 29/506:07CUN - SFO
1 stop8h 45mAeromexico
Deal found 16/4$887
sab 7/623:28SFO - CUN
Nonstop5h 20mUnited Airlines
mer 11/613:04CUN - SFO
Nonstop5h 47mUnited Airlines
Deal found 17/4$892
ven 19/918:05SFO - CUN
2 stops41h 09mWestJet
lun 22/913:50CUN - SFO
2 stops48h 04mWestJet
Deal found 17/4$898
lun 21/422:45SFO - CUN
1 stop9h 08mDelta
mer 30/412:35CUN - SFO
1 stop9h 40mDelta
Deal found 18/4$909
gio 24/400:47SFO - CUN
2 stops12h 35mAmerican Airlines
mer 30/412:45CUN - SFO
2 stops11h 51mAmerican Airlines
Deal found 17/4$1,057

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 18 aprile 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

dom 1/6

23:38-09:57

1 stop8h 19m

Cancun

dom 8/6

11:04-22:48

1 stop13h 44m

$703

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

ven 9/5

20:42-14:35

1 stop15h 53m

Cancun

mar 13/5

13:08-23:59

1 stop12h 51m

$708

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

mar 5/8

06:00-15:15

1 stop7h 15m

Cancun

mar 19/8

16:25-16:24

2 stops25h 59m

$713

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

mar 3/6

06:00-15:15

1 stop7h 15m

Cancun

mar 10/6

16:25-07:31

1 stop17h 06m

$725

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

dom 24/8

19:50-14:50

2 stops17h 00m

Cancun

gio 28/8

14:30-23:20

2 stops10h 50m

$794

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

dom 1/6

10:15-12:13

3 stops23h 58m

Cancun

dom 8/6

14:50-12:42

2 stops23h 52m

$816

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

mar 20/5

15:15-12:05

1 stop18h 50m

Cancun

sab 31/5

13:05-14:12

1 stop27h 07m

$856

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

mar 20/5

23:18-13:25

1 stop12h 07m

Cancun

gio 22/5

11:22-21:12

1 stop11h 50m

$887

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

sab 7/6

23:28-06:48

Nonstop5h 20m

Cancun

mer 11/6

13:04-16:51

Nonstop5h 47m

$892

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

mer 21/5

06:05-17:05

1 stop9h 00m

Cancun

dom 1/6

06:07-12:52

1 stop8h 45m

$893

Flights are sorted by cheapest return flights first.

Deals found on 18/4

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 11 April 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 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 18 aprile 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 18 aprile 2025.

The most flights from SFO to CUN are scheduled on a Monday (5 on average). You will have fewer flight options on Tuesday, 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 18 aprile 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
9,887 reviews
Check prices

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very Good
9,887 reviews
Alaska Airlines
8.0
Very Good
9,887 reviews
Check prices

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very Good
4,280 reviews
Alaska Airlines
8.0
Very Good
9,887 reviews
Check prices

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very Good
7,917 reviews
Alaska Airlines
8.0
Very Good
9,887 reviews
Check prices

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,387 reviews
Alaska Airlines
8.0
Very Good
9,887 reviews
Check prices

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Aeromexico
7.5
Good
1,699 reviews
Alaska Airlines
8.0
Very Good
9,887 reviews
Check prices

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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, Frontier ($703), JetBlue ($708), and Alaska Airlines ($713) offers the cheapest pricing from San Francisco to Cancún. Users have found that Frontier is 31% cheaper than the other options available to this destination.

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

    $331 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Sun Country Air and JetBlue, with prices starting from $336 and $356, 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 (89%), United Airlines (78%), American Airlines (74%).

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

Cheapflights makes it easy to find San Francisco to Cancún flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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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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