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

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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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£17 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 £32. Find the lowest prices on one-way and return tickets right here.

San Diego.£17 per passenger.Departing Mon, 21 Sep.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Mon, 21 Sep, arriving in San Diego International.Price includes taxes and charges.From £17, select.

San Diego.£17 per passenger.Departing Wed, 16 Dec.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Wed, 16 Dec, arriving in San Diego International.Price includes taxes and charges.From £17, select.

San Diego.£17 per passenger.Departing Thu, 5 Nov.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Thu, 5 Nov, arriving in San Diego International.Price includes taxes and charges.From £17, select.

San Diego.£17 per passenger.Departing Thu, 1 Oct.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Thu, 1 Oct, arriving in San Diego International.Price includes taxes and charges.From £17, select.

San Diego.£41 per passenger.Departing Wed, 17 Feb.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Phoenix Sky Harbor on Wed, 17 Feb, arriving in San Diego International.Price includes taxes and charges.From £41, select.

San Diego.£52 per passenger.Departing Sun, 23 Aug.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Sun, 23 Aug, arriving in San Diego International.Price includes taxes and charges.From £52, select.

San Diego.£56 per passenger.Departing Tue, 5 Jan.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Phoenix Sky Harbor on Tue, 5 Jan, arriving in San Diego International.Price includes taxes and charges.From £56, select.

San Diego.£90 per passenger.Departing Mon, 22 Mar.One-way flight with Delta.Outbound indirect flight with Delta, departs from Phoenix Sky Harbor on Mon, 22 Mar, arriving in San Diego International.Price includes taxes and charges.From £90, select.

San Diego.£91 per passenger.Departing Thu, 15 Apr.One-way flight with United.Outbound indirect flight with United, departs from Phoenix Sky Harbor on Thu, 15 Apr, arriving in San Diego International.Price includes taxes and charges.From £91, select.

San Diego.£105 per passenger.Departing Mon, 22 Mar.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Phoenix Sky Harbor on Mon, 22 Mar, arriving in San Diego International.Price includes taxes and charges.From £105, 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 September.

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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 £17

Search flights

McClellan-Palomar

30 miles from central San Diego

from £324

Search flights

Phoenix to San Diego: Flight information

The things to know before you go.

Cheapest flight found	£17
Cheapest month to fly	September
Average flight time	1 hr, 17 mins
Most popular airline	Southwest Airlines
Average flights per week	936

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

How many airports are there in San Diego?

There are 2 airports in San Diego: San Diego International and McClellan-Palomar.

How much are return flights from Phoenix to San Diego?

The best price we found for a return flight from Phoenix to San Diego is £32. 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.

How long does it take to fly from Phoenix to San Diego?

1 hour and 16 minutes is the average flight time from Phoenix to San Diego.

Which airlines fly direct from Phoenix to San Diego?

Southwest Airlines, American Airlines and Alaska Airlines fly direct from Phoenix to San Diego.

How many flights are there a week from Phoenix to San Diego?

As of August 2026, there are 233 flights per week flying from Phoenix to San Diego.

When is the cheapest time to fly from Phoenix to San Diego?

The cheapest month to fly from Phoenix to San Diego is usually October.

Which is the cheapest airport to fly into in San Diego?

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 £32.

Which upcoming date is cheapest to fly from Phoenix to San Diego on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Phoenix to San Diego on Tuesday, 6 October 2026.

Can I get a direct flight from Phoenix to San Diego?

Yes – the average flight time is 1 hour and 16 minutes.

How can I get the best flight deal from Phoenix to San Diego?

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.

When is the best time to book flights to San Diego?

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.

What’s the weather like in San Diego?

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.

Which is the cheapest airline to fly from Phoenix to San Diego with?

The cheapest airline that flies to San Diego is Frontier Airlines .

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

Your next great adventure starts at one of Phoenix's main airports, Phoenix Sky Harbour Airport (PHX) or Phoenix-Mesa Gateway Airport (AZA). Check out your options for booking a flight from Phoenix to San Diego setting off from either of these.
When it comes to arriving in San Diego, San Diego International Airport (SAN) is a major hub. Another is McClellan-Palomar Airport (CLD).
Book a direct Phoenix to San Diego flight and you'll be flying for an average of 1 hour 15 minutes.
The timezone in San Diego is UTC-8, which is one hour behind Phoenix.
You can choose from 99 services each week between Phoenix Sky Harbour Airport (PHX) and San Diego International Airport (SAN). This is the most popular route when booking flights from Phoenix to San Diego.
Leave plenty of time to get on 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.
Travelling during a peak time like April? School holidays and other popular periods can mean longer queues at check-in and security. Be extra cautious and arrive up to four hours ahead of an international flight and two hours before a domestic departure.

How to find the cheapest flights from Phoenix to San Diego

Booking in advance is often the key to finding a cheap Phoenix to San Diego flight. Airlines adjust prices based on demand, so the closer you get to departure, the more it could cost you.
The 'Whole month' search tool will show you the cheapest plane tickets from Phoenix to San Diego throughout the month. It's an easy way to find a bargain if your plans are flexible.
Snapping up a cheap flight from Phoenix to San Diego is easy with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch as soon as there's a better deal.
Pick your ideal departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your Phoenix to San Diego flight results by 'Fastest,' 'Best' or 'Cheapest.'

Flying from Phoenix

Phoenix Sky Harbour Airport (PHX)

You can find a direct flight from Phoenix to San Diego departing from Phoenix Sky Harbour Airport (PHX). Begin your trip at PHX and then touch down at San Diego International Airport (SAN) or McClellan-Palomar Airport (CLD).
Well-known carriers that offer direct Phoenix to San Diego plane tickets from PHX include:
The journey from central Phoenix to PHX takes around 25 minutes by public transport. If you drive, ride-share or take a taxi, you'll cover the 6 kms (4 miles) in 10 minutes or so, depending on traffic conditions.
After an easy start to your holiday? Stay near Phoenix Sky Harbour Airport. Whether you're catching an early flight from Phoenix to San Diego or just don't like being rushed, these hotels are the answer:
Phoenix Sky Harbour Airport maintains a solid on-time performance, so you're unlikely to face delays. Departures from PHX arrive on schedule 80% of the time.
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 central San Diego. If you're catching a taxi or a ride-share, the drive takes roughly 15 minutes.
It typically takes 25 minutes to get there when travelling by public transport.
The last thing you need is a lengthy journey to your hotel if you're getting in late on a flight from Phoenix to San Diego. Reserve one of these accommodation options near SAN instead:
Go wherever you want, whenever you want with a San Diego International Airport rental car. Pick up your wheels from Thrifty, Dollar or Budget and discover more of San Diego and beyond.
Booking your vehicle from San Diego International Airport about two weeks ahead can help you get the best possible rate.
The address for SAN is N Harbour Dr.

McClellan-Palomar Airport (CLD)

The centre of San Diego is located around 48 kms (30 miles) from McClellan-Palomar Airport (CLD). Once your flight from Phoenix to San Diego has landed and you've made your way out of the airport, expect a drive of about 35 minutes.
If you travel by public transport, the ride to the centre takes 1 hour 30 minutes or so.
Place the 'Do not disturb' sign on your door and relax at a hotel near CLD. Here are a few options where you can kick back after your flight from Phoenix to San Diego:
Budget, Hertz and Avis make picking up a McClellan-Palomar Airport rental car easy and quick. These reliable suppliers are located around or in the terminal and will have you on your way in a heartbeat.
Avoid filling out forms on the spot and save time at the rental desk by having everything prearranged. Secure your ride from CLD in advance so you can just get the keys and go.

Best time to go to San Diego

It's time to choose your dates for your flight from Phoenix to San Diego. August is the most popular month to travel to San Diego. If you prefer a quieter atmosphere, go in March.
Before locking in your Phoenix to San Diego tickets, consider the kind of weather you prefer. August is the warmest month in San Diego, with temperatures ranging from 16ºC to 27ºC.
Look for cheap flights from Phoenix to San Diego in February if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 8ºC and 22ºC on average.

More about San Diego

Once you've booked your flight from Phoenix to San Diego, decide where you'll be dropping your bags. Make one of these accommodation options your base for exploring San Diego:
San Diego Zoo and Balboa Park are a couple of top attractions to put on your San Diego to-do list. Continue your sightseeing adventures at USS Midway Museum.

Explore more of the United States

You've done San Diego, now it's time to discover more of the United States. Travel around 177 kms (110 miles) northwest to Los Angeles to check off its must-visit sights. From Hollywood Sign to Universal Studios Hollywood and Hollywood Bowl, you've got a jam-packed schedule ahead.
Around 483 kms (300 miles) east of San Diego, Phoenix is another essential stop in the United States. Experience major highlights starting with Camelback Mountain, Yayoi Kusama Fireflies Infinity Mirror Room and Heard Museum.