Cheap Flights from Phoenix (AZA) to San Diego (SANA)

Compare Phoenix-Mesa Gateway to San Diego flight deals

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Flight deals from Phoenix-Mesa Gateway to San Diego

Looking for a cheap last-minute deal or the best return flight from Phoenix-Mesa Gateway to San Diego? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Phoenix-Mesa Gateway to San Diego

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

Alternative Phoenix-Mesa Gateway to San Diego routes

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

Phoenix to San Diego: Flight information

The things to know before you go.
Cheapest flight found$599
Cheapest month to flyOctober

Finding cheap flights from Phoenix-Mesa Gateway 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 Phoenix-Mesa Gateway to San Diego is $599. 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 Phoenix-Mesa Gateway to San Diego. But we found flights with one or more stops from $599.
As of August 2025, there are no flights flying from Phoenix-Mesa Gateway to San Diego.
The cheapest month to fly from Phoenix-Mesa Gateway to San Diego is usually October.
If you're flying from Phoenix-Mesa Gateway Airport, the cheapest airport near San Diego is San Diego International – which is 4.1 km away from the centre of San Diego. We've found flights into this airport from $599.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Phoenix-Mesa Gateway Airport to San Diego on Saturday, 11 October 2025.
No airlines currently offer direct flights between Phoenix-Mesa Gateway 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 August, the average temperature is usually around 23°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, Allegiant Air offers the cheapest flight tickets to San Diego.

Travelling from Phoenix-Mesa Gateway Airport (AZA) to San Diego: what you need to know

  • San Diego's timezone is UTC-7, which is the same as Phoenix (the location of Phoenix-Mesa Gateway Airport).

  • Leave enough time to get on your AZA to San Diego flight. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • If you're heading away during a bank holiday or another peak period, allow for even more time. A good rule is two hours before domestic flights and up to four hours before international departures. Queues at security and check-in will be longer.

  • To reach AZA from central Phoenix, it'll take around 40 minutes if you're planning to drive. It's roughly 40 kilometres from the airport to the city centre.

  • Want an easy start to your travels? Stay near AZA. Whether you're taking an early flight from Phoenix-Mesa Gateway Airport to San Diego or don't want departure day to feel hectic, these hotels are worth a look:

  • When it comes to Phoenix-Mesa Gateway Airport's on-time performance, data shows 78.65% of flights complete their journey on time.

  • You'll find AZA at 6033 S. Sossaman Rd..

How to find the cheapest flights from Phoenix-Mesa Gateway Airport (AZA) to San Diego

  • The lowest price we've found for a one-way Phoenix-Mesa Gateway Airport to San Diego flight is $183. The cheapest price for a return flight is $599. Bear in mind fares can change due to availability at the time of booking.

  • Booking early is often the key to finding a cheap flight from AZA to San Diego. Airlines adjust prices based on demand, so the nearer you get to departure, the more you'll likely spend on your ticket.

  • Scoring cheap tickets from Phoenix-Mesa Gateway Airport to San Diego is more likely if you're flexible with your dates. Use the 'Whole month' search function to access the lowest prices throughout the month and score an incredible deal.

  • Never miss a deal on cheap flights from AZA to San Diego by creating a Price Alert. You'll receive an email or notification through the app when a new low fare is offered.

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

Airports in San Diego

San Diego International Airport (SAN)

  • San Diego International Airport (SAN) is around 5 kilometres from the centre of San Diego. If you're grabbing a cab or a ride-share, the drive will take roughly 10 minutes.

  • If you're travelling on public transport, expect a journey time of around 20 minutes.

  • The last thing you need is a long journey to your hotel if you're arriving on a late flight from Phoenix-Mesa Gateway Airport to San Diego. Stay at one of these accommodation options near SAN instead:

  • Pick up a San Diego International Airport rental car and discover San Diego and beyond with your own wheels. Thrifty, Dollar and Budget are leading providers you can book with here.

  • Lock in the best deal by reserving your vehicle from San Diego International Airport about two weeks before your flight from AZA to San Diego.

  • SAN is located at N Harbour Dr.

McClellan-Palomar Airport (CLD)

  • Once your flight from Phoenix-Mesa Gateway Airport to San Diego has touched down, you can make your way to the city centre in about 40 minutes by car. Central San Diego is roughly 56 kilometres from McClellan-Palomar Airport (CLD).

  • If you're catching public transport, it'll take around 2 hours 15 minutes.

  • After stepping off your AZA to San Diego flight, unwind at a hotel near CLD. These are some comfortable accommodation options that'll help you sink into relaxation mode:

  • The quickest way to get to where you're going is with a McClellan-Palomar Airport rental car. Collect your wheels from Budget, Hertz or Avis and set off in the blink of an eye.

  • Avoid filling out paperwork at the rental desk by having everything prearranged. Secure your ride from CLD ahead of time so you can just collect the keys and drive away.

Best time to go to San Diego

  • Before you book your flights from Phoenix-Mesa Gateway Airport to San Diego, consider which time of year is best for you. High season in San Diego offers a bustling atmosphere and plenty of activities, while the off-season means you'll get better hotel deals and smaller crowds.

  • Book a Phoenix-Mesa Gateway Airport to San Diego flight ticket with a departure in August if you're eager to experience the city during its warmest month. You can expect temperatures to range from 17ºC (63ºF) to 28ºC (82ºF).

  • February sees average temperatures of between 7ºC (45ºF) and 23ºC (73ºF). Look for a cheap ticket from AZA to San Diego around that time if you want to travel when it's cooler.

More about San Diego

  • When it comes to searching for somewhere to lay your head, you'll find the best places to stay in San Diego right here. Explore these hotels once you've booked your flight from Phoenix-Mesa Gateway Airport to San Diego:

  • There are so many things to discover in this city it can be tricky to know where to start. USS Midway Museum, San Diego Zoo and SeaWorld San Diego are top attractions which should be on every San Diego itinerary.

Explore more of United States

  • You've seen San Diego, now it's time to explore other corners of United States. Travel around 177 kilometres north-west to Los Angeles to tick off its popular sights. From Griffith Observatory to The Broad and La Brea Tar Pits & Museum, you'll have a full itinerary ahead.

  • Phoenix is another standout destination in United States and is around 483 kilometres east of San Diego. No trip is complete without dropping by Desert Botanical Garden, Heard Museum and Papago Park.

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