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40 € Cheap Flights from Phoenix Sky Harbor to San Diego International

Compare Phoenix Sky Harbor to San Diego International flight deals

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

Book the best San Diego International fare with no extra fees

Flight deals from Phoenix Sky Harbor to San Diego International

Looking for a cheap last-minute deal or the best return flight from Phoenix Sky Harbor Airport to San Diego International Airport? 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 Mon, 9 Nov, returning Wed, 11 Nov.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Mon, 9 Nov, arriving in San Diego International.Inbound direct flight with Frontier Airlines departs from San Diego International on Wed, 11 Nov, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 40 €, select.
San Diego.40 € per passenger.Departing Mon, 17 Aug, returning Wed, 16 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, 16 Sep, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 40 €, select.
San Diego.40 € per passenger.Departing Mon, 12 Oct, returning Thu, 15 Oct.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Mon, 12 Oct, arriving in San Diego International.Inbound direct flight with Frontier Airlines departs from San Diego International on Thu, 15 Oct, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 40 €, select.
San Diego.40 € per passenger.Departing Sat, 24 Oct, returning Mon, 2 Nov.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Sat, 24 Oct, arriving in San Diego International.Inbound direct flight with Frontier Airlines departs from San Diego International on Mon, 2 Nov, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 40 €, select.
San Diego.40 € per passenger.Departing Tue, 8 Sep, returning Wed, 9 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 Wed, 9 Sep, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 40 €, select.
San Diego.40 € per passenger.Departing Mon, 10 Aug, returning Mon, 24 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Mon, 10 Aug, arriving in San Diego International.Inbound direct flight with Frontier Airlines departs from San Diego International on Mon, 24 Aug, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 40 €, select.
San Diego.43 € per passenger.Departing Sun, 6 Sep, returning Mon, 5 Oct.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Sun, 6 Sep, arriving in San Diego International.Inbound direct flight with Frontier Airlines departs from San Diego International on Mon, 5 Oct, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 43 €, select.
San Diego.64 € per passenger.Departing Sat, 26 Sep, returning Thu, 19 Nov.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Sat, 26 Sep, arriving in San Diego International.Inbound direct flight with Frontier Airlines departs from San Diego International on Thu, 19 Nov, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 64 €, select.
San Diego.85 € per passenger.Departing Wed, 16 Dec, returning Wed, 16 Dec.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Phoenix Sky Harbor on Wed, 16 Dec, arriving in San Diego International.Inbound direct flight with Southwest Airlines departs from San Diego International on Wed, 16 Dec, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 85 €, select.
San Diego.128 € per passenger.Departing Fri, 31 Jul, returning Thu, 6 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Fri, 31 Jul, arriving in San Diego International.Inbound direct flight with Frontier Airlines departs from San Diego International on Thu, 6 Aug, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 128 €, select.
San Diego.158 € per passenger.Departing Wed, 20 Jan, returning Wed, 27 Jan.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Phoenix Sky Harbor on Wed, 20 Jan, arriving in San Diego International.Inbound direct flight with Southwest Airlines departs from San Diego International on Wed, 27 Jan, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 158 €, select.
San Diego.163 € per passenger.Departing Mon, 7 Dec, returning Fri, 4 Jun.Return flight with United.Outbound indirect flight with United, departs from Phoenix Sky Harbor on Mon, 7 Dec, arriving in San Diego International.Inbound indirect flight with United, departs from San Diego International on Fri, 4 Jun, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 163 €, select.
San Diego.171 € per passenger.Departing Fri, 9 Oct, returning Sun, 28 Mar.Return flight with Frontier Airlines and Alaska Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Fri, 9 Oct, arriving in San Diego International.Inbound direct flight with Alaska Airlines departs from San Diego International on Sun, 28 Mar, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 171 €, select.
San Diego.179 € per passenger.Departing Thu, 20 May, returning Thu, 27 May.Return flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Phoenix Sky Harbor on Thu, 20 May, arriving in San Diego International.Inbound direct flight with Alaska Airlines departs from San Diego International on Thu, 27 May, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 179 €, select.
San Diego.179 € per passenger.Departing Wed, 2 Jun, returning Mon, 7 Jun.Return flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Phoenix Sky Harbor on Wed, 2 Jun, arriving in San Diego International.Inbound direct flight with Alaska Airlines departs from San Diego International on Mon, 7 Jun, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 179 €, select.
San Diego.189 € per passenger.Departing Tue, 24 Nov, returning Tue, 16 Feb.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Phoenix Sky Harbor on Tue, 24 Nov, arriving in San Diego International.Inbound direct flight with Southwest Airlines departs from San Diego International on Tue, 16 Feb, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 189 €, select.

Find the cheapest month to fly from Phoenix Sky Harbor 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 Sky Harbor to San Diego International flights are currently cheapest in August.
Jul
from 193 €
Aug
from 40 €
Sep
from 40 €
Oct
from 40 €
Nov
from 40 €
Dec
from 85 €
Jan
from 158 €
Feb
from 190 €
Mar
from 233 €
Apr
from 203 €
May
from 179 €
Jun
from 179 €

Direct flights from Phoenix Sky Harbor to San Diego International

Phoenix Sky Harbor to San Diego International: Alternative routes

Compare routes from Phoenix Sky Harbor 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 40 €
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 found40 €
Cheapest month to flyAugust
Average flight time1 hr, 18 mins
Most popular airlineSouthwest Airlines
Average flights per week228

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

The best price we found for a return flight from Phoenix Sky Harbor to San Diego International 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 18 minutes is the average flight time from Phoenix Sky Harbor to San Diego International.
Southwest Airlines, American Airlines and Alaska Airlines fly direct from Phoenix Sky Harbor to San Diego International.
As of July 2026, there are 228 flights per week flying from Phoenix Sky Harbor to San Diego International.
The cheapest month to fly from Phoenix Sky Harbor to San Diego International is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Phoenix Sky Harbor Airport to San Diego International Airport on Monday, 10 August 2026.
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 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.

Currently, Frontier Airlines offers the cheapest flight tickets to San Diego International.

Travelling from Phoenix Sky Harbour Airport (PHX) to San Diego International Airport (SAN): what you need to know

  • Take a direct flight from Phoenix Sky Harbour Airport to San Diego International Airport and you'll be in the air for an average of 1 hour 15 minutes.

  • The timezone in San Diego is UTC-8, which is one hour behind Phoenix.

  • There are 99 Phoenix Sky Harbour Airport to San Diego International Airport flights every week to choose from.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Be at the airport on time to catch your PHX to SAN flight.

  • During popular months such as April, you'll want to get to the airport earlier. Arrive two hours before domestic departures and four hours ahead for international flights whenever you're flying during a peak period in general.

  • A range of airlines offer direct flights from Phoenix Sky Harbour Airport to San Diego International Airport, so getting to San Diego (and then seeing more parts of the United States!) is easy. Popular carriers that fly nonstop include:

  • The airline with the highest booking volume on this route is Southwest Airlines.

  • The most punctual carrier that offers PHX to SAN flights is Frontier Airlines. Its services land without delay 74.11% of the time.

  • Think about adding a stopover when booking your ticket from Phoenix Sky Harbour Airport to San Diego International Airport. Just uncheck 'Direct flights only' to break up your trip, or maybe even explore a new city along the way. Here are some options between PHX and SAN:

    • Los Angeles International Airport

    • Harry Reid International Airport

    • Tucson International Airport

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

  • 20 € is currently the best price for a one-way Phoenix Sky Harbour Airport to San Diego International Airport flight. A return flight starts from 40 €. These fares may change based on demand.

  • To score cheap tickets from PHX to SAN, book in advance. Airlines generally offer their best fares when flights are first made available.

  • May is the cheapest month for flights from Phoenix Sky Harbour Airport to San Diego International Airport. If you need to fly during a different time of year, the 'Whole month' tool will show you the lowest airfares across every month.

  • Getting your hands on cheap flights from PHX to SAN is a piece of cake with Price Alerts. Simply create one of these automatic alerts and we'll notify you as soon as fares go down.

  • Pick your ideal arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Phoenix Sky Harbour Airport to San Diego International Airport.

Handy information about Phoenix Sky Harbour Airport (PHX)

  • PHX's address is 3400 Sky Harbour Boulevard.

  • Phoenix Sky Harbour Airport earns top marks for on-time performance. 80% of flights that take off from PHX arrive at their destination on time.

  • Central Phoenix to Phoenix Sky Harbour Airport is around 5 kilometres. Depending on traffic, it'll take you about 10 minutes to get there if you're driving, ride-sharing or catching a taxi.

  • You can expect a journey time of about 25 minutes when using public transport.

  • Get your holiday off to a stress-free start by staying near PHX. Whether you're catching an early flight from Phoenix Sky Harbour Airport to San Diego International Airport or just don't like being rushed, these hotels are perfect:

Arriving at San Diego International Airport (SAN)

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

  • The street address for SAN is N Harbour Dr.

  • San Diego International Airport to the centre of San Diego has a drive time of about 15 minutes. It's approximately 5 kilometres away.

  • Getting there on public transport will take you roughly 25 minutes.

When to fly to San Diego International Airport (SAN)

  • August is the most popular month for flights from Phoenix Sky Harbour Airport to San Diego International Airport. To steer clear of the crowds, visit San Diego in March.

  • The warmest month in San Diego is August, with temperatures ranging between 16ºC (61ºF) and 27ºC (81ºF). Book your flights from Phoenix Sky Harbour Airport to San Diego International Airport in this month if you enjoy this type of weather.

  • February sees average temperatures of between 8ºC (46ºF) and 22ºC (72ºF). Look for cheap tickets from PHX to SAN around that time if you like travelling in cooler conditions.

Explore more of the United States

  • You've visited San Diego, now it's time to discover other parts of the United States. Journey about 177 kilometres north-west to Los Angeles to tick off its popular sights. From Hollywood Sign to Universal Studios Hollywood and Hollywood Bowl, your itinerary will be busy.

  • Phoenix is another well-known destination in the United States and is around 483 kilometres east of San Diego. No trip is complete without experiencing Camelback Mountain, Yayoi Kusama Fireflies Infinity Mirror Room and Heard Museum.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.