Cheap Flights from Phoenix Sky Harbor to San Diego

Compare Phoenix Sky Harbor to San Diego flight deals

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

Book the best San Diego fare with no extra fees

Flight deals from Phoenix Sky Harbor to San Diego

Looking for a cheap last-minute deal or the best return flight from Phoenix Sky Harbor Airport to San Diego? If you want to travel next month, return fares start from R 714. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Phoenix Sky Harbor to San Diego

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 flights are currently cheapest in August.

Direct flights from Phoenix Sky Harbor to San Diego

Alternative Phoenix Sky Harbor to San Diego routes

Looking for the cheapest, fastest or easiest route from Phoenix Sky Harbor 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 377
Cheapest month to flyAugust
Average flight time1 hr, 18 mins
Most popular airlineSouthwest Airlines
Average flights per week858

Finding cheap flights from Phoenix Sky Harbor 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 Sky Harbor to San Diego is R 718. 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.
Southwest Airlines, American Airlines and Alaska Airlines fly direct from Phoenix Sky Harbor to San Diego.
As of July 2026, there are 286 flights per week flying from Phoenix Sky Harbor to San Diego.
The cheapest month to fly from Phoenix Sky Harbor to San Diego is usually August.
If you're flying from Phoenix Sky Harbor Airport, 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 718.
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 on Thursday, 20 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 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 July, the average temperature is usually around 22°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.
Currently, Frontier Airlines offers the cheapest flight tickets to San Diego.

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

  • Around 1 hour 25 minutes is how long you can expect to be travelling on a direct flight from Phoenix Sky Harbour International Airport to San Diego.

  • The timezone in San Diego is UTC-8. The city is one hour behind Phoenix, where Phoenix Sky Harbour International Airport is located.

  • Phoenix Sky Harbour International Airport (PHX) to San Diego International Airport (SAN) is the most traveled route. When looking for your flight, you can choose from 105 services each week between PHX and SAN.

  • Give yourself plenty of time to make your PHX to San Diego flight. It's generally best to arrive two hours before international departures and an hour ahead for domestic flights.

  • You can expect bigger queues during popular months such as March. Arriving up to four hours ahead of international flights and two hours for domestic departures is a wise move.

  • You can book a direct Phoenix Sky Harbour International Airport to San Diego ticket. Begin your journey at PHX and land at San Diego International Airport (SAN).

  • Well-known carriers that operate direct flights from Phoenix Sky Harbour International Airport to San Diego include:

  • PHX is about 6 kilometres from central Phoenix. If you're catching a taxi, ride-sharing or driving from the centre, it'll take you 10 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the travel time to be around 25 minutes.

  • Catching an early flight from Phoenix Sky Harbour International Airport to San Diego? Avoid the last-minute rush to the airport (and sneak in some extra snooze time) by choosing one of these hotels near PHX:

  • Phoenix Sky Harbour International Airport scores top marks for its on-time performance. 80% of flights that depart PHX arrive at their destination without delay.

  • You'll find PHX at 3400 Sky Harbour Boulevard.

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

  • R 377 is the cheapest price we've found for a one-way Phoenix Sky Harbour International Airport to San Diego flight. A return plane ticket right now is R 718. Depending on when and how early you book, these fares can change.

  • To find cheap flights from PHX to San Diego, book early. Airlines usually offer lower fares when flights first go on sale.

  • If you have flexibility with your travel plans, check out the 'Whole month' tool. It'll find the lowest price across every month when searching for a Phoenix Sky Harbour International Airport to San Diego ticket.

  • Finding a cheap flight from PHX to San Diego is a breeze with Price Alerts. Simply set up one of these automatic notifications and we'll notify you as soon as a lower fare pops up.

  • Select your ideal arrival and departure times, airlines and number of stops with our filters. Then, sort the results for your flight from Phoenix Sky Harbour International Airport to San Diego by 'Fastest,' 'Cheapest' or 'Best.'

Airports in San Diego

San Diego International Airport (SAN)

  • San Diego International Airport (SAN) to central San Diego takes around 15 minutes by car. The centre is roughly 5 kilometres away.

  • Getting to the centre by public transport will take you around 25 minutes.

  • The last thing you want is a lengthy journey to your hotel if you're arriving on a late flight from Phoenix Sky Harbour International Airport to San Diego. Reserve one of these accommodation options near SAN instead:

  • Reserving your vehicle from San Diego International Airport about two weeks in advance of your flight from PHX to San Diego can help you get the best possible rate.

  • You'll find SAN at N Harbour Dr.

McClellan-Palomar Airport (CLD)

  • McClellan-Palomar Airport (CLD) is about 48 kilometres from central San Diego. Explore your options for making your way into town after your flight from Phoenix Sky Harbour International Airport to San Diego has landed.

  • You'll find some comfortable places to rest your head close to CLD. Unwind and get cosy after your PHX to San Diego flight at one of these perfectly located options:

  • Get the vehicle you actually want, not just whatever's left, by reserving your ride from CLD before your arrival. You can also avoid paying more than you have to, especially during peak travel times.

Best time to go to San Diego

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

  • Lock in a Phoenix Sky Harbour International Airport to San Diego plane ticket with a departure in August if you're eager to visit the city during its warmest month. You can expect temperatures to range from 16ºC (61ºF) to 27ºC (81ºF).

  • February has average temperatures of between 8ºC (46ºF) and 22ºC (72ºF). Look for a cheap ticket from PHX to San Diego around that time if you want to travel in cooler conditions.

More about San Diego

  • After booking your flight from Phoenix Sky Harbour International Airport to San Diego, choose a hotel that puts you where you want to be. Make one of these accommodation options your base for exploring San Diego:

  • San Diego Balboa Park and San Diego Zoo are just a couple of the leading attractions to add to your San Diego travel itinerary. Keep the sightseeing going 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, its top attractions include Hollywood Sign, Universal Studios Hollywood and Hollywood Bowl.

  • If you're eager to discover another side of the United States, consider Phoenix, about 483 kilometres east of San Diego. Camelback Mountain, Yayoi Kusama Fireflies Infinity Mirror Room and Heard Museum are among the biggest draws.

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