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

Compare Phoenix to San Diego flight deals

Find the cheapest month or even day of the year to fly 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? If you want to travel next month, return fares start from £40. Find the lowest prices on one-way and return tickets right here.
San Diego.£40 per passenger.Departing Tue, 17 Feb, returning Thu, 19 Feb.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Tue, 17 Feb, arriving in San Diego International.Inbound direct flight with Frontier Airlines departs from San Diego International on Thu, 19 Feb, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £40, select.
San Diego.£42 per passenger.Departing Mon, 2 Mar, returning Sat, 7 Mar.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Mon, 2 Mar, arriving in San Diego International.Inbound direct flight with Frontier Airlines departs from San Diego International on Sat, 7 Mar, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £42, select.
San Diego.£42 per passenger.Departing Tue, 7 Apr, returning Fri, 10 Apr.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Tue, 7 Apr, arriving in San Diego International.Inbound direct flight with Frontier Airlines departs from San Diego International on Fri, 10 Apr, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £42, select.
San Diego.£42 per passenger.Departing Fri, 27 Feb, returning Sun, 1 Mar.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Fri, 27 Feb, arriving in San Diego International.Inbound direct flight with Frontier Airlines departs from San Diego International on Sun, 1 Mar, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £42, select.
San Diego.£43 per passenger.Departing Thu, 29 Jan, returning Mon, 2 Feb.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Thu, 29 Jan, arriving in San Diego International.Inbound direct flight with Frontier Airlines departs from San Diego International on Mon, 2 Feb, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £43, select.
San Diego.£43 per passenger.Departing Thu, 29 Jan, returning Thu, 29 Jan.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Thu, 29 Jan, arriving in San Diego International.Inbound direct flight with Frontier Airlines departs from San Diego International on Thu, 29 Jan, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £43, select.
San Diego.£58 per passenger.Departing Fri, 27 Mar, returning Fri, 3 Apr.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Fri, 27 Mar, arriving in San Diego International.Inbound direct flight with Frontier Airlines departs from San Diego International on Fri, 3 Apr, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £58, select.
San Diego.£87 per passenger.Departing Fri, 1 May, returning Sun, 3 May.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Phoenix Sky Harbor on Fri, 1 May, arriving in San Diego International.Inbound direct flight with Southwest Airlines departs from San Diego International on Sun, 3 May, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £87, select.
San Diego.£87 per passenger.Departing Wed, 29 Apr, returning Mon, 4 May.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Phoenix Sky Harbor on Wed, 29 Apr, arriving in San Diego International.Inbound direct flight with Southwest Airlines departs from San Diego International on Mon, 4 May, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £87, select.
San Diego.£121 per passenger.Departing Sat, 1 Aug, returning Sat, 8 Aug.Return flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Phoenix Sky Harbor on Sat, 1 Aug, arriving in San Diego International.Inbound direct flight with Alaska Airlines departs from San Diego International on Sat, 8 Aug, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £121, select.
San Diego.£133 per passenger.Departing Sat, 4 Jul, returning Wed, 8 Jul.Return flight with United.Outbound indirect flight with United, departs from Phoenix Sky Harbor on Sat, 4 Jul, arriving in San Diego International.Inbound indirect flight with United, departs from San Diego International on Wed, 8 Jul, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £133, select.
San Diego.£136 per passenger.Departing Thu, 15 Oct, returning Tue, 20 Oct.Return flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Phoenix Sky Harbor on Thu, 15 Oct, arriving in San Diego International.Inbound direct flight with Alaska Airlines departs from San Diego International on Tue, 20 Oct, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £136, select.
San Diego.£148 per passenger.Departing Fri, 29 May, returning Mon, 1 Jun.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Phoenix Sky Harbor on Fri, 29 May, arriving in San Diego International.Inbound direct flight with Southwest Airlines departs from San Diego International on Mon, 1 Jun, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £148, select.
San Diego.£151 per passenger.Departing Fri, 4 Sep, returning Mon, 7 Sep.Return flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Phoenix Sky Harbor on Fri, 4 Sep, arriving in San Diego International.Inbound direct flight with Alaska Airlines departs from San Diego International on Mon, 7 Sep, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £151, select.
San Diego.£159 per passenger.Departing Thu, 18 Jun, returning Sun, 21 Jun.Return flight with United.Outbound indirect flight with United, departs from Phoenix Sky Harbor on Thu, 18 Jun, arriving in San Diego International.Inbound indirect flight with United, departs from San Diego International on Sun, 21 Jun, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £159, select.
San Diego.£198 per passenger.Departing Sat, 4 Jul, returning Wed, 8 Jul.Return flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Phoenix Sky Harbor on Sat, 4 Jul, arriving in San Diego International.Inbound direct flight with Alaska Airlines departs from San Diego International on Wed, 8 Jul, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From £198, select.

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 February.
Jan
from £43
Feb
from £40
Mar
from £42
Apr
from £42
May
from £87
Jun
from £159
Jul
from £133
Aug
from £121
Sep
from £151
Oct
from £136
Nov
Find prices
Dec
Find prices

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.

San Diego International

3 miles from central San Diego
ClosestCheapest
from £40
Search flights

McClellan-Palomar

30 miles from central San Diego
from £142
Search flights

Phoenix to San Diego: Flight information

The things to know before you go.
Cheapest flight found£40
Cheapest month to flyFebruary
Average flight time1 hr, 19 mins
Most popular airlineAmerican Airlines
Average flights per week398

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 £40. 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 19 minutes is the average flight time from Phoenix to San Diego.
American Airlines, Southwest Airlines and Alaska Airlines fly direct from Phoenix to San Diego.
As of January 2026, there are 433 flights per week flying from Phoenix to San Diego.
The cheapest month to fly from Phoenix to San Diego is usually February.
If you're flying from Phoenix, 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 £40.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Phoenix to San Diego on Tuesday, 17 February 2026.
Yes – the average flight time is 1 hour and 19 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 January, the average temperature is usually around 13°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 .

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

  • Start your travels at one of Phoenix's main airports, Phoenix Sky Harbour International Airport (PHX) or Phoenix-Mesa Gateway Airport (AZA). Check out your options for booking a flight from Phoenix to San Diego departing from either of these.

  • The chief entry points to San Diego are San Diego International Airport (SAN) and McClellan-Palomar Airport (CLD).

  • Hop on a direct Phoenix to San Diego flight and you'll be travelling for an average of 1 hour 20 minutes.

  • Give yourself plenty of time to catch your Phoenix to San Diego flight. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • If you're taking off during a major holiday or other peak period, allow extra time. A good general rule is two hours before domestic flights and up to four hours before international departures. Queues at check-in and security will be longer.

How to find the cheapest flights from Phoenix to San Diego

  • Currently, £21 is the best price we've found for a one-way ticket from Phoenix to San Diego. The cheapest price for a return flight is £40. Remember fares may change due to availability at the time of booking.

  • Book two months before your departure date. Pricing trends show that this is the ideal window for finding cheap Phoenix to San Diego flights.

  • The best month for picking up cheap plane tickets from Phoenix to San Diego is May. Use the 'Whole month' tool to compare all available prices, then choose the dates that offer the lowest fares.

  • Finding a cheap flight from Phoenix to San Diego is a breeze with Price Alerts. Simply create one of these automatic alerts and we'll notify you as soon as a better deal is available.

  • Pick your preferred arrival and departure times, airlines and number of stops by using the filters. Or sort your Phoenix to San Diego flight results by 'Cheapest,' 'Best' or 'Fastest.'

Flying from Phoenix

Phoenix Sky Harbour International Airport (PHX)

  • You can book a direct flight from Phoenix to San Diego departing from Phoenix Sky Harbour International Airport (PHX). Begin your trip at PHX and then touch down at San Diego International Airport (SAN) or McClellan-Palomar Airport (CLD).

  • Pick from a variety of airlines that offer direct Phoenix to San Diego plane tickets out of PHX. Get on board with any of these:

  • Travelling from central Phoenix to PHX takes around 35 minutes on public transport. If you ride-share, drive or take a cab, you'll cover the 6 kms (4 miles) in 10 minutes or so, depending on traffic.

  • Planning to catch an early flight from Phoenix to San Diego? Avoid the stress of rushing to the airport (and sneak in some extra snooze time) by choosing one of these stays near Phoenix Sky Harbour International Airport:

  • 82.57% of flights leaving Phoenix Sky Harbour International Airport land at their destination as planned. With its impressive on-time stats, you're unlikely to face delays when jetting out of PHX.

  • The address for PHX is 3400 Sky Harbour Boulevard.

Arriving in San Diego

San Diego International Airport (SAN)

  • San Diego International Airport (SAN) is approximately 5 kms (3 miles) from the centre of San Diego. If you're catching a cab or a ride-share, the drive takes around 10 minutes.

  • Travelling to the centre by public transport will take you roughly 20 minutes.

  • Consider staying in a hotel near SAN if you have a late flight from Phoenix to San Diego. Select one of these options and skip the long transfer:

  • Pick up a San Diego International Airport rental car and explore San Diego and beyond with your own set of wheels. Thrifty, Dollar and Budget are popular outlets you can book with here.

  • Reserving your ride from San Diego International Airport about two weeks in advance gives you the best shot at securing a great deal.

  • You'll find SAN at N Harbour Dr.

McClellan-Palomar Airport (CLD)

  • Once your flight from Phoenix to San Diego has hit the runway, you can reach the city centre in about 40 minutes by car. Central San Diego is roughly 48 kms (30 miles) from McClellan-Palomar Airport (CLD).

  • If you hop on public transport, you'll get to the city centre in 2 hours 15 minutes or so.

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

  • Pick the vehicle you actually want, not just what's available, by securing your ride from CLD ahead of time. You'll also avoid last-minute price surges, especially when the airport is busy.

Best time to go to San Diego

  • July is the most popular month for flights from Phoenix to San Diego. To steer clear of the crowds, go to San Diego in May.

  • When booking your Phoenix to San Diego tickets, consider what kind of weather you prefer. August is the warmest month in San Diego, with temperatures ranging from 17ºC (63ºF) to 28ºC (82ºF).

  • February has average temperatures of between 7ºC (45ºF) and 23ºC (73ºF). Search for cheap flights from Phoenix to San Diego around that time if you'd rather travel in cooler conditions.

More about San Diego

Explore more of United States

  • Los Angeles is just one of the many cities in United States waiting to be explored after you've seen San Diego. Around 110 miles to the north-west, top sights here include Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

  • Phoenix is another essential stop in United States and is around 300 miles east of San Diego. No journey is complete without experiencing Desert Botanical Garden, Heard Museum and Papago Park.

More travel options

Plan the rest of your trip from Phoenix to San Diego

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