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Cheap flights from San Francisco to Cancún from $236

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 18/8. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CUN
20 Jul — 27 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 15 July 2025.

Round-trip from

$596

One-way from

$236

Popular in

December

Cheapest in

January

Average price

$997
Alaska Airlines
  • Alaska Airlines
  • 2/9-11/9
  • 3 total stops
  • 29h 37m total
  • San Francisco to Cancún
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Alaska Airlines
  • Alaska Airlines
  • 18/8
  • 2 total stops
  • 21h 27m total
  • San Francisco to Cancún
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($51 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($31 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 15 July 2025.

Tue 2/917:12SFO - CUN
2 stops19h 48mAlaska Airlines
Thu 11/916:10CUN - SFO
1 stop9h 49mAlaska Airlines
Deal found 14/7$596
Mon 20/1006:00SFO - CUN
1 stop7h 00mHawaiian Airlines
Fri 24/1017:30CUN - SFO
1 stop8h 28mHawaiian Airlines
Deal found 14/7$610
Tue 26/821:25SFO - CUN
1 stop12h 28mJetBlue
Sun 31/809:45CUN - SFO
1 stop15h 55mJetBlue
Deal found 13/7$663

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 15 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

Tue 2/9

17:12-15:00

2 stops19h 48m

Cancun

Thu 11/9

16:10-23:59

1 stop9h 49m

$596

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Mon 20/10

06:00-15:00

1 stop7h 00m

Cancun

Fri 24/10

17:30-23:58

1 stop8h 28m

$610

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Tue 26/8

21:25-11:53

1 stop12h 28m

Cancun

Sun 31/8

09:45-23:40

1 stop15h 55m

$663

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Mon 18/8

15:48-15:15

2 stops21h 27m

$236

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sat 16/8

16:03-15:15

1 stop21h 12m

$277

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Wed 15/10

08:48-16:12

Nonstop5h 24m

$352

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Thu 4/9

23:00-11:50

1 stop10h 50m

$357

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sun 17/8

00:40-13:00

1 stop10h 20m

$358

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Wed 22/10

00:05-13:10

1 stop11h 05m

$470

Flights are sorted by cheapest return flights first.

Deals found on 14/7

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 July 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 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 15 July 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 15 July 2025.

The most flights from SFO to CUN are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 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 15 July 2025.
Read through reviews of airlines operating flights from San Francisco to Cancún, such as Alaska Airlines, Delta, andHawaiian Airlines. 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

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

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

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very Good
7,956 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,577 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,908 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.1

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.

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

    This flight path from San Francisco to Cancun was viewed by 3 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, Alaska Airlines ($596), Hawaiian Airlines ($610), and JetBlue ($663) offers the cheapest pricing from San Francisco to Cancún. Users have found that Alaska Airlines is 39% cheaper than the other options available to this destination.

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

    $236 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 Hawaiian Airlines and United Airlines, with prices starting from $277 and $352, respectively.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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

Fly with Cheapflights

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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.

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Cancún?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Francisco to Cancún.

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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