C$ 322 Find Cheap Flights from San Francisco to Cancun – Compare and Save

Among airlines operating San Francisco to Cancún flights:

• United Airlines: offers extra legroom; offers free seat selection
• JetBlue: offers free seat selection
• Alaska Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

2 airlines operate flights between San Francisco and Cancún. The airlines offering direct flights on this route include:

• United Airlines
• Alaska Airlines

Flights from San Francisco to Cancún usually depart from San Francisco (SFO) and arrive at Cancun (CUN).

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a carry-on bag and a checked bag in Economy Class
• Lufthansa: a carry-on bag and a checked bag in Economy Class
• Austrian Airlines: a carry-on bag and a checked bag in Business Class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 592 round-trip via Atlanta Hartsfield-Jackson (ATL), compared to C$ 922 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 69–C$ 139 for the first checked bag in economy. Premium fares and elite status bookings typically include a free checked bag.

The Boeing 737 MAX 9 family is used most often on this route, operated mainly by United Airlines and JetBlue. Other aircraft seen on the route include Boeing 737-900 variants.

One-stop flights from San Francisco to Cancún most commonly connect through:

• Mexico City Benito Juarez (MEX) – 32% of one-stop connections
• Dallas/Fort Worth (DFW) – 25% of one-stop connections
• Denver Intl (DEN) – 14% of one-stop connections
• Los Angeles (LAX) – 8% of one-stop connections

Mexico City Benito Juarez (MEX) handles the largest share of one-stop connections on this route.

On the San Francisco to Cancún route, being flexible with your departure day can save you up to 12%. Sunday is the cheapest day at C$ 832 round-trip on average, while Thursday is the most expensive at C$ 943 – a C$ 111 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the San Francisco to Cancún route, 17% of flights were delayed in the past 3 months, with delays averaging 2 hours 41 minutes.

Morning is the busiest departure period on San Francisco to Cancún flights, with 50% leaving in that window. Night departures account for 50%, Afternoon flights for 0%, and Evening flights for 0%.

Some of the most popular sights in Cancún are Nichupte Lagoon, Puerto Cancun, and Hospital Amerimed. These are among the most viewed places in Cancún on KAYAK.

These are the earliest and latest flight times available from San Francisco to Cancún:

• Earliest: departs at 6:41 am and lands at 12:00 pm
• Latest: departs at 11:00 pm and lands at 4:19 am.

The flight takes about 5h 19m.

Last-minute fares on this route – booked within 2 weeks of departure – run 8% above the route average of C$ 892. Book 5 weeks before departure for the lowest fares.

A direct flight from San Francisco to Cancún takes 5h 19m, covering 6,226 km.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 702 to C$ 4,104. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from San Francisco to Cancún are currently lower than usual. Average one-way flight prices are about C$ 341, which is 15% below the typical average for this route.

Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Phoenix Sky Harbor Intl (PHX) gives the shortest average 1-stop total travel time at 8h 05m, compared with 8h 18m via Dallas/Fort Worth (DFW) and 8h 24m via Houston George Bush Intcntl (IAH).

Cancún is 2 hours ahead of San Francisco (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Cancun Airport (CUN) hosts 5 major car rental companies, with daily rates starting from around C$ 2 for economy cars. Top options include:
• MEXRENTACAR
• Hertz
• America Car Rental
• Budget
• Europcar

Round-trip flights from San Francisco to Cancún range from C$ 725 to C$ 1,094, with an average of C$ 892 over the past 12 months. Anything below C$ 725 counts as a good deal.

JetBlue is the only airline on the San Francisco to Cancún route offering in-flight Wi-Fi. Pricing depends on fare class.