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39 € Cheap Flights from Phoenix to San Diego International

Compare Phoenix to San Diego International flight deals

Find the cheapest month or even day of the year to fly to San Diego International

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Flight deals from Phoenix to San Diego International

Looking for a cheap last-minute deal or the best return flight from Phoenix to San Diego International Airport? If you want to travel next month, return fares start from 39 €. Find the lowest prices on one-way and return tickets right here.
San Diego.39 € per passenger.Departing Thu, 25 Jun, returning Mon, 29 Jun.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Thu, 25 Jun, arriving in San Diego International.Inbound direct flight with Frontier Airlines departs from San Diego International on Mon, 29 Jun, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 39 €, select.
San Diego.39 € per passenger.Departing Thu, 25 Jun, returning Wed, 1 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Thu, 25 Jun, arriving in San Diego International.Inbound direct flight with Frontier Airlines departs from San Diego International on Wed, 1 Jul, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 39 €, select.
San Diego.39 € per passenger.Departing Wed, 12 Aug, returning Tue, 18 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Wed, 12 Aug, arriving in San Diego International.Inbound direct flight with Frontier Airlines departs from San Diego International on Tue, 18 Aug, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 39 €, select.
San Diego.39 € per passenger.Departing Tue, 21 Jul, returning Tue, 18 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Tue, 21 Jul, arriving in San Diego International.Inbound direct flight with Frontier Airlines departs from San Diego International on Tue, 18 Aug, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 39 €, select.
San Diego.39 € per passenger.Departing Tue, 8 Sep, returning Thu, 10 Sep.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Tue, 8 Sep, arriving in San Diego International.Inbound direct flight with Frontier Airlines departs from San Diego International on Thu, 10 Sep, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 39 €, select.
San Diego.39 € per passenger.Departing Mon, 17 Aug, returning Wed, 2 Sep.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Mon, 17 Aug, arriving in San Diego International.Inbound direct flight with Frontier Airlines departs from San Diego International on Wed, 2 Sep, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 39 €, select.
San Diego.39 € per passenger.Departing Wed, 1 Jul, returning Tue, 7 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Wed, 1 Jul, arriving in San Diego International.Inbound direct flight with Frontier Airlines departs from San Diego International on Tue, 7 Jul, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 39 €, select.
San Diego.58 € per passenger.Departing Wed, 7 Oct, returning Tue, 3 Nov.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Wed, 7 Oct, arriving in San Diego International.Inbound direct flight with Frontier Airlines departs from San Diego International on Tue, 3 Nov, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 58 €, select.
San Diego.61 € per passenger.Departing Wed, 7 Oct, returning Wed, 28 Oct.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Wed, 7 Oct, arriving in San Diego International.Inbound direct flight with Frontier Airlines departs from San Diego International on Wed, 28 Oct, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 61 €, select.
San Diego.96 € per passenger.Departing Thu, 5 Nov, returning Mon, 9 Nov.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Thu, 5 Nov, arriving in San Diego International.Inbound direct flight with Frontier Airlines departs from San Diego International on Mon, 9 Nov, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 96 €, select.
San Diego.146 € per passenger.Departing Sat, 31 Oct, returning Sat, 5 Dec.Return flight with Frontier Airlines and Alaska Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Sat, 31 Oct, arriving in San Diego International.Inbound direct flight with Alaska Airlines departs from San Diego International on Sat, 5 Dec, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 146 €, select.
San Diego.200 € per passenger.Departing Sun, 31 May, returning Tue, 18 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Sun, 31 May, arriving in San Diego International.Inbound indirect flight with Frontier Airlines, departs from San Diego International on Tue, 18 Aug, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 200 €, select.
San Diego.211 € per passenger.Departing Tue, 8 Dec, returning Sun, 13 Dec.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Phoenix Sky Harbor on Tue, 8 Dec, arriving in San Diego International.Inbound direct flight with Southwest Airlines departs from San Diego International on Sun, 13 Dec, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 211 €, select.
San Diego.223 € per passenger.Departing Wed, 6 Jan, returning Fri, 8 Jan.Return flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Phoenix Sky Harbor on Wed, 6 Jan, arriving in San Diego International.Inbound direct flight with Alaska Airlines departs from San Diego International on Fri, 8 Jan, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 223 €, select.
San Diego.237 € per passenger.Departing Fri, 9 Apr, returning Mon, 12 Apr.Return flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Phoenix Sky Harbor on Fri, 9 Apr, arriving in San Diego International.Inbound direct flight with Alaska Airlines departs from San Diego International on Mon, 12 Apr, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 237 €, select.
San Diego.237 € per passenger.Departing Sun, 31 May, returning Tue, 18 Aug.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Phoenix Sky Harbor on Sun, 31 May, arriving in San Diego International.Inbound direct flight with Southwest Airlines departs from San Diego International on Tue, 18 Aug, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 237 €, select.

Find the cheapest month to fly from Phoenix to San Diego International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Phoenix to San Diego International flights are currently cheapest in June.
May
Find prices
Jun
from 39 €
Jul
from 39 €
Aug
from 39 €
Sep
from 39 €
Oct
from 61 €
Nov
from 96 €
Dec
from 211 €
Jan
from 223 €
Feb
Find prices
Mar
Find prices
Apr
from 237 €

Direct flights from Phoenix to San Diego International

Phoenix to San Diego International: Alternative routes

Compare routes from Phoenix to San Diego below. You may find an airport to fly into that's cheaper, faster, or easier than San Diego International.

San Diego International

4km from central San Diego
ClosestCheapest
from 39 €
Search flights

McClellan-Palomar

48km from central San Diego
Search flights

Phoenix to San Diego: Flight information

The things to know before you go.
Cheapest flight found39 €
Cheapest month to flyJuly
Average flight time1 hr, 17 mins
Most popular airlineSouthwest Airlines
Average flights per week225

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

The best price we found for a return flight from Phoenix to San Diego International is 39 €. 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 17 minutes is the average flight time from Phoenix to San Diego International.
Southwest Airlines, American Airlines and Alaska Airlines fly direct from Phoenix to San Diego International.
As of May 2026, there are 225 flights per week flying from Phoenix to San Diego International.
The cheapest month to fly from Phoenix to San Diego International is usually July.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Phoenix to San Diego International Airport on Tuesday, 21 July 2026.
Yes – the average flight time is 1 hour and 17 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 International 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.
The cheapest airline that flies to San Diego International is Frontier Airlines .

Flying from Phoenix to San Diego International Airport (SAN): What you need to know

  • Phoenix's main airport is Phoenix Sky Harbour International Airport (PHX). Check out your options for departing from this terminal when booking flights from Phoenix to San Diego International Airport (SAN).

  • 1 hour 15 minutes is the average duration of a direct Phoenix to San Diego International Airport flight.

  • San Diego is one hour behind Phoenix. San Diego International Airport is located in San Diego, which is in the UTC-8 timezone.

  • Phoenix Sky Harbour International Airport (PHX) to San Diego International Airport (SAN) is the most popular route. You can select from 105 direct services every week between PHX and SAN.

  • To ensure you get on your flight from Phoenix to SAN, allow plenty of time for things like baggage drop and finding your gate. Arriving two hours ahead of international departures and an hour before domestic flights is the general rule.

  • March is a peak travel month. If you're taking off then or during a major holiday like Thanksgiving, be there even earlier. Aim for at least two hours ahead for domestic flights and as much as four hours for international journeys.

Airports in Phoenix

Phoenix Sky Harbour International Airport (PHX)

  • You can take a direct flight from Phoenix to San Diego International Airport (SAN) leaving from Phoenix Sky Harbour International Airport (PHX).

  • At PHX, you'll find a variety of carriers operating direct flights from Phoenix to San Diego International Airport, including:

  • The majority of passengers choose to book seats with Southwest Airlines between PHX and SAN.

  • The top on-time carrier on this route is Frontier Airlines. Its services arrive as planned 74.11% of the time.

  • Located around 5 kilometres from the centre of Phoenix, PHX can be reached in about 10 minutes by car, depending on traffic. The journey by public transport will take roughly 25 minutes.

  • Catching an early flight from Phoenix to San Diego International Airport? Avoid the last-minute rush to the terminal (and get some extra shut-eye) by choosing one of these stays near Phoenix Sky Harbour International Airport:

  • Phoenix Sky Harbour International Airport has a strong on-time record, so you're less likely to experience disruptions. Departures from PHX land on schedule 80% of the time.

  • The address for PHX is 3400 Sky Harbour Boulevard.

Phoenix-Mesa Gateway Airport (AZA)

  • With public transport, you can travel from central Phoenix to AZA in about 1 hour 15 minutes. The terminal is roughly 32 kilometres away, and making the journey by car will take approximately 30 minutes.

  • Kick off your holiday early with an additional night away from home. Before catching your Phoenix to SAN flight, kick back in one of these hotels close to Phoenix-Mesa Gateway Airport:

  • The majority of flights that depart Phoenix-Mesa Gateway Airport land at their destination within the expected time frame. It boasts an on-time performance rate of 82%.

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

About San Diego International Airport (SAN)

  • If you're arriving on a late flight from Phoenix to San Diego International Airport, few things top the convenience of staying close to the terminal. Grab your bags from the carousel and then be showered and resting not long after at one of these options near SAN:

  • For the lowest price, reserve your vehicle around two weeks in advance of your Phoenix to San Diego International Airport flight.

  • You'll find SAN at N Harbour Dr.

Getting from San Diego International Airport (SAN) to central San Diego

  • San Diego International Airport is around 5 kilometres from the centre of San Diego. It takes around 15 minutes or so to get to the city by car.

  • If you're using public transport, expect a journey of around 25 minutes.

How to find the cheapest flights from Phoenix to San Diego International Airport (SAN)

  • The cheapest price we've found for a one-way ticket from Phoenix to San Diego International Airport is 20 €. For a return flight on this route, the best price is 39 €. Depending on how early you book and the availability, these fares may change.

  • To find cheap flights from Phoenix to SAN, book in advance. Airlines usually offer lower prices when tickets first go on sale.

  • The 'Whole month' search tool will show you the cheapest Phoenix to San Diego International Airport tickets throughout the entire month. It's a good way to snap up a bargain if your trip dates aren't set in stone.

  • Locking in a cheap plane ticket from Phoenix to SAN couldn't be easier 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 the price has dropped.

  • Tailor your travel plans using filters. Select your preferred arrival and departure times, total journey duration and airlines. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest' flights from Phoenix to San Diego International Airport.

The best time to fly from Phoenix to San Diego International Airport (SAN)

  • Think about your travel style when deciding your trip dates. December is the quietest month to go to San Diego. July is when most people book flights from Phoenix to San Diego International Airport (SAN), which may be ideal if you're chasing more action.

  • The warmest month in San Diego is August, with temperatures ranging between 16ºC (61ºF) and 27ºC (81ºF). Lock in your Phoenix to SAN plane ticket then if this is the type of weather you enjoy.

  • Search for cheap tickets from Phoenix to San Diego International Airport in February if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 8ºC (46ºF) and 22ºC (72ºF).

More about San Diego

  • When it comes to looking for somewhere to rest your head, you'll find the best stays in San Diego right here. Check out these options as soon as you've locked in your flight from Phoenix to San Diego International Airport:

  • San Diego Zoo and San Diego Balboa Park are a couple of popular attractions to put on your San Diego travel itinerary. Continue your sightseeing adventures at USS Midway Museum.

Explore more of the United States

  • Los Angeles is just one of the many cities in the United States waiting to be discovered once you've taken in the sights of San Diego. Around 177 kilometres away to the northwest, well-known attractions include Hollywood Sign, Universal Studios Hollywood and Hollywood Bowl.

  • If you're ready to explore another great destination in the United States, head for Long Beach, about 145 kilometres northwest of San Diego. The Queen Mary, Museum of Latin American Art (MOLAA) and Long Beach Lighthouse are key highlights.

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