Cheap flights from San Francisco to Cancun

San Francisco
SFO
Cancun
CUN

Flight deals from San Francisco to Cancun

Below you can see the best deals on flights San Francisco — Cancun for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 28 September, from $132.

Top 10 cheap flights from San Francisco to Cancun

F9
AM
AM
$ 146

San Francisco — Cancun

16:31—16:35
12 Sep 2026
22 h 4 m
2 stops
F9
AM
AM
$ 146

San Francisco — Cancun

16:31—16:35
12 Sep 2026
22 h 4 m
2 stops
AS
AM
AM
$ 149

San Francisco — Cancun

21:13—16:35
12 Sep 2026
17 h 22 m
2 stops
AS
AM
AM
$ 149

San Jose — Cancun

20:17—16:35
12 Sep 2026
18 h 18 m
2 stops
AS
AM
AM
$ 149

San Jose — Cancun

20:17—16:35
12 Sep 2026
18 h 18 m
2 stops
AS
AM
AM
$ 149

Oakland — Cancun

17:10—16:35
12 Sep 2026
21 h 25 m
2 stops
AS
AM
AM
$ 149

San Francisco — Cancun

17:18—16:35
12 Sep 2026
21 h 17 m
2 stops
AS
AM
AM
$ 149

Oakland — Cancun

17:10—16:35
12 Sep 2026
21 h 25 m
2 stops
AS
AM
AM
$ 149

San Francisco — Cancun

17:18—16:35
12 Sep 2026
21 h 17 m
2 stops
AS
AM
AM
$ 149

San Francisco — Cancun

15:37—16:35
12 Sep 2026
22 h 58 m
2 stops

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the San Francisco — Cancun flight

Looking for cheap flights from San Francisco to Cancun? Compare fares from different airlines, check the flight schedule and travel time — and book your San Francisco — Cancun ticket online at the best price.

The route has direct flights — around 64 flights per week, flights are operated by United Airlines, Alaska Airlines, Hawaiian Airlines, American Airlines, a nonstop flight takes about 5 h 21 min, the distance between the cities is around 3,877 km.

Planning your trip? You may find our Cancun travel guide, how to get from the airport into town and Cancun weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $132Min. price
SeptemberCheapest
MayPeak season
YesDirect flights
3,877 kmDistance
5 h 21 minTravel time
4Airlines
64 / wkFlights

Flight schedule from San Francisco to Cancun

The table shows direct flights from San Francisco to Cancun on the selected date. The flight takes approximately 5 h 21 min. Regular flights are operated by United Airlines, Alaska Airlines, Hawaiian Airlines and American Airlines. Departures from San Francisco International Airport airports, arrivals at Cancun International Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 17 Aug 2026

Flight ticket prices by day: San Francisco — Cancun

Below is a calendar of the lowest flight ticket prices for San Francisco — Cancun by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $132 in September, and the most expensive are around $263 in May. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from San Francisco to Cancun by month. Tickets are usually cheapest in January (around $231) and priciest in December (about $315) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$231lowMay$236lowSep$241low
Feb$282highJun$310highOct$236low
Mar$292highJul$301highNov$259medium
Apr$241lowAug$264mediumDec$315high

Some values are estimated based on seasonality.

When to fly

Weather in Cancun: it is warmest in July (up to 31 °C on average) and coolest in January (around 26 °C). The driest month is April.

Tickets are usually cheapest in September and most expensive in May. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Cancun

Dry and wet days · Cancun

Wind speed and direction · Cancun

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How to get the best deal on a San Francisco — Cancun ticket

  • Book ahead: fares for San Francisco — Cancun are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • The cheapest month to fly to Cancun is usually September — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the San Francisco — Cancun route are operated by 4 airlines; United Airlines runs the most flights (around 59% of all flights). Compare carriers, flight shares and schedules below.

  • United AirlinesUA
    13x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight SFO → CUN13x/week
      Duration
      5h 21m
      Days
      MTWTFSS
    59.4%Open →
  • Alaska AirlinesAS
    3x/week
    WebsiteFleet: 31545M pax/year
    • Direct flight SFO → CUN3x/week
    14.1%Open →
  • Hawaiian AirlinesHA
    3x/week
    WebsiteFleet: 7511M pax/year
    • Direct flight SFO → CUN3x/week
    14.1%
  • American AirlinesAA
    3x/week
    WebsiteFleet: 965211M pax/year
    • Direct flight SFO → CUN3x/week
    12.5%Open →

Cities and airports on the San Francisco — Cancun route

Flights San Francisco — Cancun depart from San Francisco International Airport and arrive at Cancun International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

San Francisco

SFO
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

Cancun

CUN
Mexico
About the cityHow to get thereWeatherAll about the country Mexico
Departure airports
Arrival airports

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Frequently asked questions about the San Francisco — Cancun flight

How long is the flight from San Francisco to Cancun?

A nonstop San Francisco — Cancun flight takes about 5 h 21 min — the distance between the cities is around 3,877 km.

How far is it from San Francisco to Cancun?

The distance from San Francisco to Cancun is about 3,877 km, which a nonstop flight covers in around 5 h 21 min.

Are there direct flights from San Francisco to Cancun?

Yes, there are nonstop flights San Francisco — Cancun — around 64 flights per week.

Which airlines fly from San Francisco to Cancun?

Airlines operating San Francisco — Cancun include United Airlines, Alaska Airlines, Hawaiian Airlines, American Airlines. See the full list with schedules in the "Airlines" section on this page.

Which airports do San Francisco — Cancun flights use?

Flights from San Francisco depart from San Francisco International Airport, and arrive at Cancun International Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from San Francisco to Cancun?

The price of a San Francisco — Cancun ticket depends on your travel date, season and demand: it is usually cheapest to fly in September, and most expensive in May. Tickets typically cost between $132 and $263. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights San Francisco — Cancun?

Flights San Francisco — Cancun are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is September. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from San Francisco to Cancun?

To catch a low fare San Francisco — Cancun, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually September.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from San Francisco

See all
Los AngelesNew York CitySeattleSan DiegoSanta AnaLas VegasBurbankBostonVancouverPhoenixPortlandLondonDenverPalm SpringsHonoluluDallasChicagoSalt Lake CityAustinAtlantaWashington, D.C.HoustonKahuluiTaipeiMinneapolisTorontoDetroitOrlandoSpokaneTokyoParisBoiseKapaaSan Jose del CaboPuerto VallartaRedmondSeoulFrankfurt am MainCalgaryMexico City

Where else you can fly from Cancun

See all
Mexico CityMonterreyDallasNew York CityHoustonAtlantaGuadalajaraTorontoLos AngelesChicagoPanama CityMiamiCharlotteDenverBogotaSeattlePhiladelphiaMontrealDetroitBostonQuerétaroLimaLeonPueblaFort LauderdaleVancouverWashington, D.C.Tuxtla GutierrezCalgaryVeracruzOttawaLondonFrankfurt am MainAustinSt. LouisSan Luis PotosíGuatemala CitySan JoséClevelandMinneapolis

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