Flights from Phoenix to San Diego

Looking for flights from Phoenix to San Diego? CompareWings helps you trade the desert heat for the cool ocean breeze with the latest offers, non-stop airline options, and essential information to help you plan a quick and easy journey to America's Finest City.

Route Overview

The flight route from Phoenix to San Diego is one of the most popular short-haul corridors in the Southwest. Whether you're headed for a weekend beach getaway or a business meeting, this route offers frequent daily service.

The flight is incredibly short, with an average non-stop duration of just 1 hour and 15 minutes. Departures take place from Phoenix Sky Harbor International Airport (PHX) and arrive at San Diego International Airport (SAN), located right in the heart of the city.

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When’s a good time to book a Phoenix to San Diego

What’s the cheapest day of the week to fly from Phoenix to San Diego?

If you’re looking for a flight deals from Phoenix to San Diego, it’s recommended to look for departures on Monday. Sunday tends to have higher prices.

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

Historically, December has been the cheapest month for flights from Phoenix to San Diego. On the other hand, the most expensive months tend to be May.

Airlines & Flight Options

Travelers on this high-frequency route can choose from several major carriers:

  • Southwest Airlines: The most popular airline on the route, offering frequent daily departures and two free checked bags.
  • American Airlines: Operates from its PHX hub with multiple daily non-stop flights and premium cabin options.
  • Frontier Airlines: A great pick for budget travelers, often offering the lowest base fares.
  • Alaska Airlines: Provides additional non-stop options with a strong reputation for reliable West Coast service.

Offers, Deals & Best Ways to Save

This short, competitive route often offers great deals if you're flexible with your travel dates.

  • Best Booking Window: Book 3–4 weeks in advance to find the best fares.
  • Cheapest Days: Tuesdays and Wednesdays are typically the most affordable days to fly.
  • Seasonal Trends: October and May offer pleasant weather and lower fares. Summer and Spring Break see high demand.
  • Alternative Airports: McClellan-Palomar Airport (CLD) can work for North County travel, though PHX–SAN non-stop is usually better.

Tips to Get the Best Deals

  • Set fare alerts to catch price drops below $100 round-trip.
  • Pack light if flying Frontier to avoid baggage fees that can exceed the airfare itself.
  • Compare one-way tickets—sometimes American one way and Southwest the return is cheaper.

Travel Tips for PHX → SAN Flyers

  • Time Zone: Arizona does not observe Daylight Saving Time, so expect a one-hour difference in summer (Pacific Daylight Time).
  • Airport Transport (SAN):
    • Bus 992: Fast connection to downtown and Santa Fe Depot.
    • Rideshare: Uber and Lyft available with potential surcharges.
    • Rental Cars: Shuttle required to reach the Rental Car Center.
  • Weather: San Diego's mild, coastal climate means even summer evenings can be cool—pack a light jacket.
  • Arrival Views: SAN offers stunning skyline views—choose a left-side window seat for the best approach.

Frequently Asked Questions

The average non-stop flight time is just 1 hour and 15 minutes, with actual time in the air often less than an hour.

Southwest, American, Frontier, and Alaska Airlines all operate non-stop flights on this route.

San Diego International Airport (SAN) is incredibly central, located just 3 miles from downtown. It's a 10-minute drive or a short bus ride away.

October and February are typically the cheapest months to fly, avoiding the peak summer beach season and spring break crowds.

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