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

Compare Cancun to San Diego flight deals

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Flight deals from Cancun Airport to San Diego

Looking for a cheap last-minute deal or the best return flight from Cancun Airport to San Diego? If you want to travel next month, return fares start from £207. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Cancun to San Diego

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Cancun to San Diego flights are currently cheapest in May.

Alternative Cancun to San Diego routes

Looking for the cheapest, fastest or easiest route from Cancun to San Diego? You could fly into the following airports instead.

Cancun to San Diego: Flight information

The things to know before you go.
Cheapest flight found£106
Cheapest month to flyMay

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

There are 2 airports in San Diego: San Diego International and McClellan-Palomar.
The best price we found for a return flight from Cancun to San Diego is £207. 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 Cancun to San Diego. But we found flights with one or more stops from £207.
As of April 2026, there are no flights flying from Cancun to San Diego.
The cheapest month to fly from Cancun to San Diego is usually May.
If you're flying from Cancun Airport, the cheapest airport near San Diego is San Diego International – which is 2.5 miles away from the centre of San Diego. We've found flights into this airport from £207.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Cancun Airport to San Diego on Saturday, 23 May 2026.
No airlines currently offer direct flights between Cancun Airport and San Diego. 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 San Diego 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 San Diego is around 40 days in advance, so don’t leave your flight to the last minute.
In April, the average temperature is usually around 16°C. August is typically the warmest month in San Diego, when it usually averages around 28°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging 10°C. The rainiest month is February.
Currently, Frontier Airlines offers the cheapest flight tickets to San Diego.

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

  • San Diego is three hours behind Cancun, where Cancun International Airport is located. San Diego follows the UTC-8 timezone.

  • Leave enough time to make your CUN to San Diego flight. A good rule of thumb is to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • You'll likely experience bigger queues during popular months like March. Arriving up to four hours in advance for international flights and two hours for domestic departures is a wise move.

  • A stopover is the ideal opportunity to break up your trip and perhaps even tick off a new city. When searching for plane tickets from CUN to San Diego, uncheck the 'Direct flights only' box to see where you can visit along the way. Here are some options to consider:

    • Phoenix Sky Harbour International Airport (PHX)

    • Austin-Bergstrom International Airport (AUS)

    • San Antonio International Airport (SAT)

  • The journey from central Cancun to CUN takes around 35 minutes by public transport. If you drive, ride-share or take a taxi, you'll cover the 13 kms (8 miles) in 25 minutes or so, depending on traffic.

  • Searching for a hotel close to CUN? If you're catching an early flight from Cancun International Airport to San Diego, these stays set you up for a seamless send-off:

  • 80% of flights departing from Cancun International Airport land at their destination according to schedule. Given its dependable on-time performance, delays are unlikely when setting off from CUN.

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

  • £106 is currently the lowest price for a one-way Cancun International Airport to San Diego flight. Return plane tickets start from £207. These fares may change depending on availability.

  • Don't wait until the last moment. You're more likely to find cheap flights from CUN to San Diego if you book early. Airlines often have some amazing early bird discounts.

  • The 'Whole month' search tool will show you the cheapest tickets from Cancun International Airport to San Diego across each month. It's a good way to snap up a bargain if your plans aren't set in stone.

  • You don't need to check back in every day to see if fares have dropped when you create a Price Alert. We'll notify you as soon as there's an even better deal on cheap flights from CUN to San Diego.

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

Airports in San Diego

San Diego International Airport (SAN)

  • San Diego International Airport (SAN) is around 5 kms (3 miles) from central San Diego. If you're catching a taxi or a ride-share, the drive will take roughly 15 minutes.

  • Getting to the centre on public transport takes about 25 minutes.

  • The last thing you need is a lengthy journey to your hotel if you're arriving on a late flight from Cancun International Airport to San Diego. Book one of these accommodation options near SAN instead:

  • For the best deal, book your ride from San Diego International Airport about two weeks ahead of your flight from CUN to San Diego.

  • You'll find SAN at N Harbour Dr.

McClellan-Palomar Airport (CLD)

  • If you're staying in central San Diego (or just want to start sightseeing straight away), the city is around 48 kms (30 miles) from McClellan-Palomar Airport (CLD). Look for any visitor information kiosks to get directions after hopping off your flight from Cancun International Airport to San Diego.

  • Following your CUN to San Diego flight, settle in at a hotel close to CLD. These are some comfortable accommodation options that'll help you get into relaxation mode:

  • Avoid the long lines and paperwork at the rental desk by completing your booking beforehand. Secure your ride from CLD in advance so you can simply pick up the keys and get on your way.

Best time to go to San Diego

  • It's time to choose your dates for your flight from Cancun International Airport to San Diego. July is the busiest month to travel to San Diego. If you like a more low-key vibe, go in December.

  • Book a Cancun International Airport to San Diego plane ticket with a departure in August if you're eager to visit the city during its warmest month. Expect temperatures to range from 16ºC to 27ºC.

  • For cooler conditions, search for a cheap ticket from CUN to San Diego in February when temperatures average between 8ºC and 22ºC.

More about San Diego

Explore more of the United States

  • Los Angeles is just one of the many cities in the United States waiting to be explored once you've taken in the sights of San Diego. Around 177 kms (110 miles) away to the northwest, its top attractions include Hollywood Sign, Universal Studios Hollywood and Hollywood Bowl.

  • Around 483 kms (300 miles) east of San Diego, Phoenix is another favourite stop in the United States. No visit is complete without checking out Camelback Mountain, Yayoi Kusama Fireflies Infinity Mirror Room and Heard Museum.

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