Cheap flights from Phoenix to San Diego, United States (PHX - SAN)

Flying from Phoenix to San Diego can be expensive. Our search helps you compare cheap flights, airfare deals, and flight tickets across airlines and agencies so you can book at the best price.

We scan trusted travel agencies and airline booking systems for the route Phoenix - San Diego (PHX - SAN). We do not sell tickets or add fees - you choose where to buy.

Airfares vary by date, time, and airport. Use filters to find the best option by departure/arrival time, number of stops, airline or alliance, and booking channel.

If your dates are flexible, check the low-fare calendar to find the cheapest days. Booking round-trip in one order often reduces fees, and prices usually rise as departure approaches.

We also recommend you to look through the prices for return tickets from San Diego to Phoenix.

Airfares found by our users in the past 24 hours

The cheapest flight from Phoenix to San Diego is 12 920 on American Airlines, departing on 02/03/2026 - 03:55 and returning on 02/04/2026 - 21:09.
The price for these dates could change. Use search to get the best price.

Average round-trip airfares from Phoenix to San Diego by months

MonthRound-Trip
January 2026find now
February 202603.02 - 04.02from 12 920
March 2026find now
April 2026find now
May 2026find now
June 2026find now
July 2026find now
August 2026find now
September 2026find now
October 2026find now
November 2026find now
December 2026find now

Prices shown are based on searches from the last few days. Ticket prices can change and depend on availability at the time of booking.

Airlines are flying from Phoenix to San Diego

Frontier AirlinesAmerican Airlines

Popular flights from Phoenix

Frequently asked questions about flights from Phoenix to San Diego

How long does the flight from Phoenix to San Diego take?

Flight duration from Phoenix to San Diego varies by route, airline, and number of stops. Direct flights are faster; connecting flights may take longer. Use our search to compare options and see exact durations for your dates.

Are there direct flights from Phoenix to San Diego?

Availability of direct flights from Phoenix to San Diego depends on the route and season. Use our search and filter by "Direct" or "Non-stop" to see only direct options. We compare offers from many airlines and agencies.

Which airlines fly from Phoenix to San Diego?

Several airlines may operate flights from Phoenix to San Diego. On this page you can see airlines that serve this route. Our search compares prices across airlines and agencies so you can choose the best offer. We do not sell tickets; you book directly with the airline or agency.

What is the cheapest month to fly from Phoenix to San Diego?

Prices from Phoenix to San Diego vary by month and demand. On this page you can see average round-trip prices by month. Use the low-fare calendar and monthly table to find the cheapest dates. Booking in advance and avoiding peak seasons often helps get the best price.

Find Flights to San Diego