How often are flights from San Francisco to Cancún delayed?

About 17% of weekly flights between San Francisco and Cancún have experienced delays in the past year, with the average delay time being 144 minutes.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on San Francisco to Cancún flights?

Over the past year, United Airlines has had the lowest number of delays on this route, with just 16% of flights being delayed.

What is the most punctual flight time for San Francisco to Cancún flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

How popular is this San Francisco to Cancún flight route?

This flight path from San Francisco to Cancun was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How long is the flight from San Francisco to Cancún?

There are many flights that can get you from San Francisco to Cancún in 5h 21m. Fly via Delta or United Airlines to get the fastest option. The distance from San Francisco to Cancún is about 3869 km. Both multi-stop and direct flights can be found to your destination and back.

Weekly flight availability from San Francisco to Cancún

The most flights from SFO to CUN are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

In terms of precipitation, rainfall in Cancún ranges from 29.0 - 282.0 mm 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.

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).

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 vacation 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.

C$ 321+ Cheap Flights from San Francisco to Cancún

Cheap flight deals from San Francisco to Cancún

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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 11 September 2026.

Tue 27/104:15 p.m. -

2 stops20h 10m

Sat 31/1012:26 p.m. -

2 stops13h 30m

Deal found 10/9C$ 699

Sun 1/1110:23 p.m. -

1 stop18h 18m

Tue 24/115:05 p.m. -

1 stop9h 54m

Deal found 11/9C$ 702

Fri 13/1110:59 p.m. -

1 stop18h 56m

Sat 21/118:05 a.m. -

1 stop18h 53m

Deal found 10/9C$ 705

Fri 23/1011:59 p.m. -

1 stop10h 34m

Wed 28/105:05 p.m. -

Nonstop6h 07m

Deal found 10/9C$ 706

Sun 15/1110:23 p.m. -

1 stop11h 20m

Wed 25/111:40 p.m. -

2 stops13h 19m

Deal found 11/9C$ 707

Mon 16/118:00 p.m. -

2 stops20h 45m

Sat 21/115:10 p.m. -

2 stops10h 10m

Deal found 7/9C$ 712

Sun 1/1111:00 p.m. -

Nonstop5h 13m

Sat 7/116:16 p.m. -

1 stop8h 48m

Deal found 10/9C$ 713

Mon 16/1111:39 p.m. -

1 stop11h 26m

Wed 25/111:40 p.m. -

2 stops13h 19m

Deal found 11/9C$ 714

Sun 8/1111:00 p.m. -

Nonstop5h 13m

Sat 14/116:16 p.m. -

1 stop8h 48m

Deal found 8/9C$ 716

Sun 4/107:49 p.m. -

1 stop8h 52m

Thu 8/1012:57 p.m. -

Nonstop5h 43m

Deal found 10/9C$ 717

Sun 4/107:49 p.m. -

1 stop8h 52m

Fri 9/1012:57 p.m. -

Nonstop5h 43m

Deal found 10/9C$ 720

Tue 20/1012:45 a.m. -

1 stop7h 21m

Tue 27/1012:45 p.m. -

Nonstop6h 07m

Deal found 8/9C$ 724

Find flight deals from San Francisco to Cancún

Round-trip from	C$ 699
One-way from	C$ 321
Popular in	December
Cheapest in	January
Average price	C$ 877

United Airlines
30/10-5/11
Nonstop
11h 16m total
San Francisco to Cancún

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United Airlines
6/10-31/12
Nonstop
5h 21m total
San Francisco to Cancún

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Highest demand for flights based on searches. 1% potential increase in price (C$ 20 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease (C$ 23 potential savings vs. average RT price).

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Average for round-trip flights in September 2026

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Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco to Cancún that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoCancún

SFO San Francisco - CUN Cancun

SFOCUN

San Francisco

Wed 21/10

7:05 a.m.-7:19 p.m.

1 stop10h 14m

Cancun

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 327

San FranciscoCancún

SFO San Francisco - CUN Cancun

SFOCUN

San Francisco

Wed 28/10

8:45 a.m.-4:08 p.m.

Nonstop5h 23m

Cancun

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 345

San FranciscoCancún

SFO San Francisco - CUN Cancun

SFOCUN

San Francisco

Sun 20/9

12:45 a.m.-12:33 p.m.

1 stop9h 48m

Cancun

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 401

Quickest round-trip

San FranciscoCancún

SFO San Francisco - CUN Cancun

SFOCUN

San Francisco

Fri 29/1

11:00 p.m.-7:13 a.m.

Nonstop5h 13m

Cancun

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 416

San FranciscoCancún

SFO San Francisco - CUN Cancun

SFOCUN

San Francisco

Sun 25/10

11:00 p.m.-6:13 a.m.

Nonstop5h 13m

Cancun

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 446

San FranciscoCancún

SFO San Francisco - CUN Cancun

SFOCUN

San Francisco

Sun 8/11

8:45 a.m.-5:08 p.m.

Nonstop5h 23m

Cancun

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 448

San FranciscoCancún

SFO San Francisco - CUN Cancun

SFOCUN

San Francisco

Mon 26/10

8:45 a.m.-4:08 p.m.

Nonstop5h 23m

Cancun

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 486

San FranciscoCancún

SFO San Francisco - CUN Cancun

SFOCUN

San Francisco

Thu 3/12

11:00 p.m.-7:13 a.m.

Nonstop5h 13m

Cancun

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 503

San FranciscoCancún

SFO San Francisco - CUN Cancun

SFOCUN

San Francisco

Thu 26/11

6:17 a.m.-12:32 a.m.

2 stops15h 15m

Cancun

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 546

San FranciscoCancún

SFO San Francisco - CUN Cancun

SFOCUN

San Francisco

Fri 27/11

5:50 a.m.-4:05 p.m.

1 stop7h 15m

Cancun

Fri 4/12

7:01 a.m.-8:10 p.m.

1 stop16h 09m

C$ 706

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Showing 1-10 of 20 resultsSorted by cheapest first

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.

SFO-CUN

Estimated round-trip 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

Prices

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Delays

How far ahead should I book a flight from San Francisco to Cancún?

Booking 50 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, January is the cheapest month in which you can book a flight from San Francisco to Cancún (average of C$ 721). Flying from San Francisco to Cancún in December is currently the most expensive (average of C$ 1,045). 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?

When flying from San Francisco to Cancún, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from San Francisco to Cancún?

Airfare is below average for this route at the moment.

San Francisco to Cancún flights typically cost between C$ 749 and C$ 1,002 in October.
The cheapest round-trip price found within the last 5 days was C$ 699 on United Airlines (30 Oct-5 Nov).

Related info for your journey

How popular is this San Francisco to Cancún flight route?
This flight path from San Francisco to Cancun was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
How long is the flight from San Francisco to Cancún?
There are many flights that can get you from San Francisco to Cancún in 5h 21m. Fly via Delta or United Airlines to get the fastest option. The distance from San Francisco to Cancún is about 3869 km. Both multi-stop and direct flights can be found to your destination and back.
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 vacation 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, January is the cheapest month in which you can book a flight from San Francisco to Cancún (average of C$ 721). Flying from San Francisco to Cancún in December is currently the most expensive (average of C$ 1,045). 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.

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Deals for San Francisco to Cancún flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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?

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

Yes, Cheapflights offers price alerts on San Francisco to Cancún flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from San Francisco to Cancún from C$ 321

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from San Francisco to Cancún

Cheapest flights from San Francisco to CancúnExplore 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 11 September 2026.

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 11 September 2026.

Best flights from San Francisco to CancúnDiscover carefully curated flight deals from San Francisco to Cancún that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

Discover carefully curated flight deals from San Francisco to Cancún that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

Direct flights from San Francisco to CancúnExplore direct flight options from San Francisco to Cancún based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 September 2026.

Explore direct flight options from San Francisco to Cancún based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 September 2026.

Last-minute flights from San Francisco to CancúnDiscover last-minute flight deals from San Francisco to Cancún. Data last updated 11 September 2026 and is based on user searches.

Discover last-minute flight deals from San Francisco to Cancún. Data last updated 11 September 2026 and is based on user searches.

One-way flights from San Francisco to CancúnSearch for one-way flight options from San Francisco to Cancún. Find affordable one-way fares based on user searches. Data last updated 11 September 2026.

Search for one-way flight options from San Francisco to Cancún. Find affordable one-way fares based on user searches. Data last updated 11 September 2026.

Find flight deals from San Francisco to Cancún

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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.

Cheapflights Insights

How far ahead should I book a flight from San Francisco to Cancún?

Booking 50 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?

What is the cheapest time of day to fly from SFO to CUN?

When flying from San Francisco to Cancún, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from San Francisco to Cancún?

Airfare is below average for this route at the moment.

San Francisco to Cancún flights typically cost between C$ 749 and C$ 1,002 in October.The cheapest round-trip price found within the last 5 days was C$ 699 on United Airlines (30 Oct-5 Nov).

Weekly flight availability from San Francisco to Cancún

The most flights from SFO to CUN are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

How often are flights from San Francisco to Cancún delayed?

About 17% of weekly flights between San Francisco and Cancún have experienced delays in the past year, with the average delay time being 144 minutes.

What is the most punctual flight time for San Francisco to Cancún flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on San Francisco to Cancún flights?

Over the past year, United Airlines has had the lowest number of delays on this route, with just 16% of flights being delayed.

Related info for your journey

How popular is this San Francisco to Cancún flight route?

How long is the flight from San Francisco to Cancún?

Can I find deals for flights from San Francisco to Cancún that include hotel bookings?

How can I find direct flights from San Francisco to Cancún?

Can I find deals for business class flights from San Francisco to Cancún?

What is the cheapest month to book a flight from San Francisco to Cancún?

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

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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 11 September 2026.

Best flights from San Francisco to Cancún
Discover carefully curated flight deals from San Francisco to Cancún that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

Direct flights from San Francisco to Cancún
Explore direct flight options from San Francisco to Cancún based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 September 2026.

Last-minute flights from San Francisco to Cancún
Discover last-minute flight deals from San Francisco to Cancún. Data last updated 11 September 2026 and is based on user searches.

One-way flights from San Francisco to Cancún
Search for one-way flight options from San Francisco to Cancún. Find affordable one-way fares based on user searches. Data last updated 11 September 2026.

San Francisco to Cancún flights typically cost between C$ 749 and C$ 1,002 in October.
The cheapest round-trip price found within the last 5 days was C$ 699 on United Airlines (30 Oct-5 Nov).