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Cheap Flights from San Diego (SAN) to Cancun (CUN)

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Compare San Diego International to Cancun flight deals

Find the cheapest month or even day of the year to fly to Cancun

Book the best Cancun fare with no extra fees

Flight deals from San Diego International to Cancun

Looking for a cheap last-minute deal or the best return flight from San Diego International to Cancun? Find the lowest prices on one-way and return tickets right here.
Cancun.$467 per passenger.Departing Wed, 20 Aug, returning Wed, 27 Aug.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Diego International on Wed, 20 Aug, arriving in Cancun.Inbound indirect flight with Southwest Airlines, departs from Cancun on Wed, 27 Aug, arriving in San Diego International.Price includes taxes and charges.From $467, select.
Cancun.$467 per passenger.Departing Tue, 2 Sep, returning Fri, 5 Sep.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Diego International on Tue, 2 Sep, arriving in Cancun.Inbound indirect flight with Southwest Airlines, departs from Cancun on Fri, 5 Sep, arriving in San Diego International.Price includes taxes and charges.From $467, select.
Cancun.$467 per passenger.Departing Mon, 29 Sep, returning Fri, 3 Oct.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Diego International on Mon, 29 Sep, arriving in Cancun.Inbound indirect flight with Southwest Airlines, departs from Cancun on Fri, 3 Oct, arriving in San Diego International.Price includes taxes and charges.From $467, select.
Cancun.$470 per passenger.Departing Tue, 15 Jul, returning Tue, 22 Jul.Return flight with United.Outbound indirect flight with United, departs from San Diego International on Tue, 15 Jul, arriving in Cancun.Inbound indirect flight with United, departs from Cancun on Tue, 22 Jul, arriving in San Diego International.Price includes taxes and charges.From $470, select.
Cancun.$470 per passenger.Departing Mon, 20 Oct, returning Wed, 29 Oct.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Diego International on Mon, 20 Oct, arriving in Cancun.Inbound indirect flight with Southwest Airlines, departs from Cancun on Wed, 29 Oct, arriving in San Diego International.Price includes taxes and charges.From $470, select.
Cancun.$518 per passenger.Departing Mon, 30 Jun, returning Wed, 9 Jul.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Mon, 30 Jun, arriving in Cancun.Inbound indirect flight with Frontier Airlines, departs from Cancun on Wed, 9 Jul, arriving in San Diego International.Price includes taxes and charges.From $518, select.
Cancun.$547 per passenger.Departing Mon, 14 Jul, returning Wed, 13 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from San Diego International on Mon, 14 Jul, arriving in Cancun.Inbound indirect flight with Delta, departs from Cancun on Wed, 13 Aug, arriving in San Diego International.Price includes taxes and charges.From $547, select.
Cancun.$579 per passenger.Departing Wed, 19 Nov, returning Wed, 3 Dec.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Diego International on Wed, 19 Nov, arriving in Cancun.Inbound indirect flight with Southwest Airlines, departs from Cancun on Wed, 3 Dec, arriving in San Diego International.Price includes taxes and charges.From $579, select.

Find the cheapest month to fly from San Diego International to Cancun

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Diego International to Cancun flights are currently cheapest in August.
Jun
from $598
Jul
from $470
Aug
from $467
Sep
from $467
Oct
from $470
Nov
from $581
Dec
from $581
Jan
from $710
Feb
from $708
Mar
from $794
Apr
from $780
May
from $2,110

San Diego International to Cancun: Alternative routes

Compare routes from San Diego International to Cancun below. You may find an airport to fly into that's cheaper, faster, or easier than Cancun.

San Diego to Cancun: Flight information

The things to know before you go.
Cheapest flight found$467
Cheapest month to flySeptember

Finding cheap flights from San Diego International to Cancun: Frequently asked questions

The best price we found for a return flight from San Diego International to Cancun is $467. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from San Diego International to Cancun. But we found flights with one or more stops from $467.
As of June 2025, there are no flights flying from San Diego International to Cancun.
The cheapest month to fly from San Diego International to Cancun is usually June 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Diego International Airport to Cancun Airport on Monday, 29 September 2025.
No airlines currently offer direct flights between San Diego International Airport and Cancun Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Cancun but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Cancun is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Southwest Airlines offers the cheapest flight tickets to Cancun.

Travelling from San Diego International Airport (SAN) to Cancun International Airport (CUN): what you need to know

  • Jump on a direct flight from San Diego International Airport to Cancun International Airport and you'll be in the air for an average of 4 hours 30 minutes.

  • The timezone in Cancun is UTC-5, which is two hours ahead of San Diego.

  • Leave plenty of time to make your SAN to CUN flight. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months like July, it's best to get to the airport earlier than normal. Arrive two hours before a domestic departure and four hours ahead of an international flight when you fly during peak periods in general.

  • Jetting into Cancun (and then seeing more of Mexico!) is a breeze with Alaska Airlines. This popular carrier offers direct flights from San Diego International Airport to Cancun International Airport.

  • Alaska Airlines is the top choice for travellers on this route.

  • We make it simple to book a flight with a stopover. To see your options for tickets from San Diego International Airport to Cancun International Airport, deselect 'Direct flights only.' Then, choose a flight with a stop long enough to tour your chosen city. Top stopovers between SAN and CUN include:

    • Phoenix Sky Harbour International Airport

    • Los Angeles International Airport

    • George Bush Intercontinental Airport

How to find the cheapest flights from San Diego International Airport (SAN) to Cancun International Airport (CUN)

  • At the moment, $210 is the lowest price we've seen for a one-way San Diego International Airport to Cancun International Airport flight. The best price for a return ticket is $467. Remember that fares could change due to demand at the time of booking.

  • Get cheap tickets from SAN to CUN by booking six months ahead. According to our research, that's the sweet spot for finding a bargain.

  • May is the cheapest month for flights from San Diego International Airport to Cancun International Airport. If you need to fly during a different time of year, the 'Whole month' tool will show you the lowest airfares for every month.

  • Getting your hands on cheap flights from SAN to CUN couldn't be easier with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch as soon as there's a better deal.

  • Tailor your trip with filters. Select your ideal departure and arrival times, airlines and total journey duration. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest' flights from San Diego International Airport to Cancun International Airport.

Handy information about San Diego International Airport (SAN)

  • SAN is located at Airport Drive.

  • 71.38% of flights leaving from San Diego International Airport make it to their destination on time.

  • San Diego International Airport is around 5 kilometres from central San Diego. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 10 minutes or so to get there, depending on the traffic.

  • Planning to catch public transport? You can expect a journey time of around 20 minutes.

  • Taking an early flight from San Diego International Airport to Cancun International Airport? Avoid the hassle of rushing to the terminal (and catch some extra z's) by choosing one of these stays close to SAN:

Arriving at Cancun International Airport (CUN)

Getting from Cancun International Airport (CUN) to central Cancun

  • From Cancun International Airport, Cancun is approximately 19 kilometres away. It takes around 25 minutes to drive to the centre.

When to fly to Cancun International Airport (CUN)

  • July is the busiest month for flights from San Diego International Airport to Cancun International Airport. For smaller crowds, head to Cancun in May.

  • Book your flight from San Diego International Airport to Cancun International Airport for August if you'd like to go to Cancun during its warmest month. Expect temperatures of between 26ºC (79ºF) and 32ºC (90ºF).

  • Look for cheap tickets from SAN to CUN in January if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between 20ºC (68ºF) and 27ºC (81ºF) on average.

Explore more of Mexico

  • Cancun has plenty going for it, but there are so many other corners of Mexico you'll want to see. Around 290 kilometres west of Cancun, a trip to Merida will keep your itinerary busy. Start with popular sights like P. ANDADOR NVA. CHICHEN ITZA, Pre Hispanic Town Of Uxmal and El Palacio de Gobierno.

  • Around 418 kilometres west of Cancun, Campeche is another essential stop in Mexico. Experience the best of this destination with a visit to Campeche Waterfront Promenade, Zona Arquelogica Edzna and Centro Historico de San Francisco de Campeche.

Plan the rest of your trip from San Diego to Cancun

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.