Cheap Flights from Phoenix to San Diego

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Flight deals from Phoenix to San Diego

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

Find the cheapest month to fly from Phoenix to San Diego

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

Direct flights from Phoenix to San Diego

Alternative Phoenix to San Diego routes

Looking for the cheapest, fastest or easiest route from Phoenix 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 foundR 529
Cheapest month to flyMay
Average flight time1 hr, 18 mins
Most popular airlineSouthwest Airlines
Average flights per week920

Finding cheap flights from Phoenix 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 to San Diego is R 1,058. 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.
1 hour and 18 minutes is the average flight time from Phoenix to San Diego.
Southwest Airlines, American Airlines and Alaska Airlines fly direct from Phoenix to San Diego.
As of March 2025, there are 230 flights per week flying from Phoenix to San Diego.
The cheapest month to fly from Phoenix to San Diego is usually April.
If you're flying from Phoenix, 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 R 1,058.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Phoenix to San Diego on Tuesday, 1 April 2025.
Yes – the average flight time is 1 hour and 18 minutes.
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 March, the average temperature is usually around 14°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.
The cheapest airline that flies to San Diego is Frontier Airlines .

Travelling from Phoenix to San Diego: what you need to know

  • Begin your journey at one of Phoenix's main airports, Phoenix Sky Harbour International Airport (PHX) or Phoenix-Mesa Gateway Airport (AZA). Explore your options for booking a flight from Phoenix to San Diego jetting off from either of these.

  • The primary hubs where you can touch down in San Diego are San Diego International Airport (SAN) and McClellan-Palomar Airport (CLD).

  • A direct flight from Phoenix to San Diego takes on average 1 hour 15 minutes. San Diego's timezone is UTC-7 — the same as Phoenix.

  • With 107 weekly flights between the two airports, Phoenix Sky Harbour International Airport (PHX) to San Diego International Airport (SAN) is the most popular route. Hop on the first flight from Phoenix to San Diego with Frontier Airlines at 07:00. If you'd like to get more out of your day before taking off, the latest departure from PHX to SAN is with American Airlines at 23:19.

  • For stress-free travel, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to board your flight from Phoenix to San Diego.

  • Longer lines at security and check-in are likely if you're heading away during high season, so give yourself a little extra breathing room. A good general rule for peak periods? Arrive up to four hours ahead for international flights and two hours for domestic departures.

  • For a domestic flight within United States, you won't need a visa or passport. However, you'll have to present another form of identification, such as a driver's licence or ID card. Once you've found cheap flights from Phoenix to San Diego, make sure your ID is up to date.

Flying from Phoenix

Phoenix Sky Harbour International Airport (PHX)

  • Jet off from Phoenix Sky Harbour International Airport (PHX) on a nonstop flight from Phoenix to San Diego. From PHX, you can land directly at San Diego International Airport (SAN).

  • American Airlines is a popular carrier that operates direct flights from Phoenix to San Diego taking off from PHX.

  • We make it a breeze to find a flight from Phoenix to San Diego with a stopover. To see all the options departing from Phoenix Sky Harbour International Airport, deselect 'Direct flights only.' Next, select a flight offering a stop long enough to tour the city of your choice. Top stopovers include:

    • Harry Reid Airport (formerly McCarran Airport) Airport (LAS)

    • Los Angeles International Airport (LAX)

    • Tucson International Airport (TUS)

  • Located around 8 kilometres from the centre of Phoenix, PHX can be reached in about 11 minutes by car (depending on traffic). The same journey by public transport is roughly 34 minutes.

  • Have an early flight from Phoenix to San Diego? Avoid the stress of rushing to the airport (and get some extra shut-eye) by picking one of these stays near Phoenix Sky Harbour International Airport:

Arriving in San Diego

San Diego International Airport (SAN)

  • San Diego International Airport (SAN) is around 5 kilometres from central San Diego. With your own car rental or in a cab, the drive is around 9 minutes.

  • Travelling to the centre on public transport takes around 20 minutes.

  • If you're coming in on a late flight from Phoenix to San Diego, nothing beats the convenience of staying close to the terminal. Pick up your bags from the carousel and then be showered and resting soon after at one of these accommodation options near SAN:

McClellan-Palomar Airport (CLD)

How to find the cheapest flights from Phoenix to San Diego

  • The lowest price we've found for a one-way ticket from Phoenix to San Diego is R 529. For a return flight on this route, the best price is R 1,058. Depending on when and how early you book, these fares can change.

  • Get cheap tickets from Phoenix to San Diego by booking at least 9 months ahead. Based on our research, that's the sweet spot for picking up a bargain.

  • The cheapest month for tickets from Phoenix to San Diego is May. You can easily compare prices using the 'Whole month' tool and choose the date that offers the best deal.

  • Create a Price Alert for cheap tickets from Phoenix to San Diego. There's no need to check back in every day to find out if fares have dropped. We'll update you when there's a change in price.

  • Play around with filters to find your ideal journey. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Phoenix to San Diego, use the 'Sort by' function. You can also filter by airline, arrival and departure times, and journey duration.

Best time to go to San Diego

  • May is the quietest month for flights from Phoenix to San Diego, while July is the busiest. Choose the best time to go to San Diego based on whether you want a laid-back vibe or a lively atmosphere.

  • Before you book a flight from Phoenix to San Diego, think about the type of weather you enjoy. August is the warmest month in San Diego, with the temperature ranging from 17ºC to 28ºC.

  • Search for cheap tickets from Phoenix to San Diego in February if you like cooler conditions. Temperatures are at their lowest around then, ranging between 7ºC and 23ºC on average.

More about San Diego

Complete your San Diego trip with a car rental

  • We use the same magic that helped you find your cheap flight from Phoenix to San Diego to track down incredible deals on car rentals. Search for your ride in seconds and easily compare your options. Plus you'll find all the info you need to drive in San Diego, from the most popular car type to the best time to book.

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