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Flights from Phoenix to San Diego

Cheapest airlines flights from Phoenix to San Diego

Fly from Phoenix to San Diego with 3 carriers, including Frontier Airlines, American Airlines, and Alaska Airlines. Frontier Airlines offers the cheapest flights from Phoenix to San Diego.
Frontier Airlines logo Frontier Airlines American Airlines logo American Airlines Alaska Airlines logo Alaska Airlines

Find cheap flights from Phoenix to San Diego

Non stop flights available! Find direct flights from Phoenix to San Diego within the next 3 months. Book one way flights from US$21 or round trip tickets from US$39.

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Phoenix to San Diego Flight Information

Fly from Phoenix to San Diego in about ${{duration}} across 486.03 km. The most popular travel month is ${{peakMonth}}, while ${{lowMonth}} offers the best deals for this route.

Cheapest one-way flight price US$21
Cheapest round-trip ticket price US$39
Off-season for travel April
Peak season for travel June
Flight distance 486.03 km
Average flight time 1 hour 15 minutes
Popular airline Frontier Airlines

When is the cheapest time to book flights from Phoenix to San Diego?

Best time for cheap flights from Phoenix to San Diego are between Aug 3 and Aug 10 with one way fares from US$20

Cheapest flights
From price
Search
  • 6 13
  • 13 20
  • 20 27

  • Aug

    27 3
  • 3 10
  • 10 17
  • 17 24
  • 24 31

  • Sep

    31 7
  • 7 14
  • 14 21
  • 21 28
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Phoenix (PHX) to San Diego (SAN) the cheapest?

    Airlines adjust prices for flights from Phoenix to San Diego based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Phoenix (PHX) to San Diego (SAN) cost?

    According to Trip.com's data, the lowest price is around $212.

  • How long does it take to fly from Phoenix (PHX) to San Diego (SAN) and what is the distance?

    It takes around 1 hour 15 minutes to fly from Phoenix (PHX) to San Diego (SAN).

  • What are the most popular airlines that fly from Phoenix (PHX) to San Diego (SAN)?

    Airlines with flights from Phoenix (PHX) to San Diego (SAN): Southwest Airlines, Alaska Airlines, British Airways, American Airlines, Volaris and Frontier Airlines.

How to find a cheap flight from Phoenix to San Diego

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Phoenix to San Diego. Book your flights at the right time and save more.
1
Being flexible with your dates to get the cheapest Phoenix to San Diego ticket.
Tap "Date" on flight search bar to scan through the calender for Phoenix to San Diego airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Tue, Aug 5 at US$21 for one-way flights.
2
Compare cheap Phoenix to San Diego flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Phoenix to San Diego. The cheapest airline operating is Frontier Airlines.
3
Set up a Price Alert
By setting up a Price Alert for your Phoenix to San Diego route, you can easily track the price of your airline tickets from Phoenix to San Diego without manually checking every day.
4
Don't miss cheap Phoenix to San Diego flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com free app and search for cheap flight tickets from Phoenix to San Diego to get exclusive deals for you.

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