$43 Cheap Flights from Phoenix (PHX) to San Diego (SAN)

View $43 flight on Fri, Jul 4, 2025Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to San Diego Intl. Airport (SAN)

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Cheap Flights from Phoenix to San Diego (PHX-SAN)

Prices were available within the past 7 days and start at $43 for one-way flights and $92 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, Aug 25 - Mon, Aug 25
PHX
Phoenix
SAN
San Diego
$92 Roundtrip, just found
$92
Roundtrip
just found
Select Alaska Airlines flight, departing Mon, Aug 25 from Phoenix to San Diego, returning Mon, Aug 25, priced at $92 just found
Bargain Flight
Wed, Sep 24 - Wed, Oct 1
PHX
Phoenix
SAN
San Diego
$97 Roundtrip, found 1 hour ago
$97
Roundtrip
found 1 hour ago
Select Bargain Flight flight, departing Wed, Sep 24 from Phoenix to San Diego, returning Wed, Oct 1, priced at $97 found 1 hour ago
Southwest Airlines
Tue, Sep 2 - Mon, Sep 8
PHX
Phoenix
SAN
San Diego
$97 Roundtrip, just found
$97
Roundtrip
just found
Select Southwest Airlines flight, departing Tue, Sep 2 from Phoenix to San Diego, returning Mon, Sep 8, priced at $97 just found
Southwest Airlines
Tue, Aug 12 - Mon, Aug 18
PHX
Phoenix
SAN
San Diego
$97 Roundtrip, just found
$97
Roundtrip
just found
Select Southwest Airlines flight, departing Tue, Aug 12 from Phoenix to San Diego, returning Mon, Aug 18, priced at $97 just found
American Airlines
Mon, Sep 15 - Thu, Sep 18
PHX
Phoenix
SAN
San Diego
$97 Roundtrip, just found
$97
Roundtrip
just found
Select American Airlines flight, departing Mon, Sep 15 from Phoenix to San Diego, returning Thu, Sep 18, priced at $97 just found
Frontier Airlines
Thu, Sep 18 - Thu, Sep 18
PHX
Phoenix
SAN
San Diego
$101 Roundtrip, found 3 days ago
$101
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Sep 18 from Phoenix to San Diego, returning Thu, Sep 18, priced at $101 found 3 days ago
Spirit Airlines
Thu, Jul 3 - Fri, Jul 4
PHX
Phoenix
SAN
San Diego
$103 Roundtrip, just found
$103
Roundtrip
just found
Select Spirit Airlines flight, departing Thu, Jul 3 from Phoenix to San Diego, returning Fri, Jul 4, priced at $103 just found
Southwest Airlines
Tue, Sep 2 - Mon, Sep 8
PHX
Phoenix
SAN
San Diego
$107 Roundtrip, just found
$107
Roundtrip
just found
Select Southwest Airlines flight, departing Tue, Sep 2 from Phoenix to San Diego, returning Mon, Sep 8, priced at $107 just found
Spirit Airlines
Mon, Jun 30 - Fri, Jul 4
PHX
Phoenix
SAN
San Diego
$107 Roundtrip, just found
$107
Roundtrip
just found
Select Spirit Airlines flight, departing Mon, Jun 30 from Phoenix to San Diego, returning Fri, Jul 4, priced at $107 just found
Frontier Airlines
Tue, Jul 8 - Thu, Jul 10
PHX
Phoenix
SAN
San Diego
$109 Roundtrip, just found
$109
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Jul 8 from Phoenix to San Diego, returning Thu, Jul 10, priced at $109 just found

Alternative airports near San Diego

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to General Abelardo L. Rodriguez Intl. TIJ. Average driving time to city center is 26 minutes. Flights from $384
TIJ
General Abelardo L. Rodriguez Intl.
Average driving time to city center26 min
Flights from $384
Select flight to McClellan-Palomar CLD. Average driving time to city center is 38 minutes. Flights from $210
CLD
McClellan-Palomar
Average driving time to city center38 min
Flights from $210
Flights from Phoenix (PHX) to San Diego (SAN)
Origin airport
Sky Harbor Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$91
Distance
304 mi
Average flight time
1 hour 9 mins

Phoenix to San Diego Flights

The cheapest times to fly from Phoenix to San Diego

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Phoenix to San Diego are during the month of August. You can find some of the cheapest flights from Phoenix to San Diego with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Phoenix to San Diego

Sunday is one of the best days to book for cheap flights from Phoenix to San Diego: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Phoenix to San Diego

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Phoenix to San Diego in 2025. You can also book with separate airlines for your outbound and return journeys, from $43 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Phoenix to San Diego flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Phoenix to San Diego airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Sky Harbor Intl. Airport (PHX) to San Diego Intl. Airport (SAN) cost?
You can book cheap return fares starting from $101 from Sky Harbor Intl. Airport (PHX) to San Diego Intl. Airport (SAN). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Frontier Airlines flight leaving PHX on July 4 2025 and touching down at SAN. The price was last updated on June 15 2025 and has not changed since.
What is the cheapest month to fly from PHX to SAN?
The cheapest flights from PHX to SAN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Sky Harbor Intl. Airport (PHX) to San Diego Intl. Airport (SAN)?
Skip the layovers and travel nonstop from Sky Harbor Intl. Airport (PHX) to San Diego Intl. Airport (SAN) with 3 airlines, including:

  • Southwest Airlines
  • American Airlines
  • Frontier Airlines

What is the cheapest airline that flies from PHX to SAN?
Journey from PHX to SAN with Southwest Airlines. This airline currently offers the lowest one-way fare for this route, starting at $63. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from PHX on September 10 2025. Prices were last updated on June 15 2025 and have not changed since.
How many flights per day from Sky Harbor Intl. Airport (PHX) to San Diego Intl. Airport (SAN)?
With an average of 14 direct flights departing from Sky Harbor Intl. Airport (PHX) to San Diego Intl. Airport (SAN) each day, you’ll be soaring through the skies in no time.
What are the most popular departure times for flights from Sky Harbor Intl. Airport (PHX) to San Diego Intl. Airport (SAN)?
More travelers fly between PHX and SAN at 3 PM than at any other time of day. Prefer a quieter experience? Travel outside of rush hours and you could save on your ticket as well.
What day of the week has the most flights from PHX to SAN?
Jet off on a Sunday if you’re after the best choice of flights from Sky Harbor Intl. Airport (PHX) to San Diego Intl. Airport (SAN).
What is the earliest flight from Sky Harbor Intl. Airport (PHX) to San Diego Intl. Airport (SAN)?
Catch the earliest flight at around 7:20AM UTC-7, leaving from Sky Harbor Intl. Airport (PHX). You’ll be flying for about 1h 20m, arriving at San Diego Intl. Airport (SAN) at approximately 7:40AM UTC-8.
How long does it take to fly from Sky Harbor Intl. Airport (PHX) to San Diego Intl. Airport (SAN)?
It usually takes 1 hour and 17 minutes to travel the 300 mi from PHX to SAN.
What airline has the least delays from PHX to SAN?
Alaska Airlines has the strongest track record for on-time direct flights from Sky Harbor Intl. Airport (PHX) to San Diego Intl. Airport (SAN), with an on-time score of 89%. Use the Expedia App to see your flight schedule before you go and get notified of any trip changes.
What is the best time to fly from Sky Harbor Intl. Airport (PHX) to San Diego Intl. Airport (SAN)?
To avoid potential delays on the Sky Harbor Intl. Airport (PHX) to San Diego Intl. Airport (SAN) route, fly before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for San Diego from Sky Harbor Intl. Airport (PHX)?
San Diego Intl. Airport (SAN) is the only airport in San Diego with direct flights from Sky Harbor Intl. Airport (PHX). Check out the options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Sky Harbor Intl. Airport (PHX) to San Diego Intl. Airport (SAN) last-minute?
Last-minute bookings from PHX to SAN are typically more expensive. To secure the best prices, start searching for flights well in advance. That said, if your travel plans are flexible, it’s possible to score a cheap ticket right before your trip.
Is it cheaper to book a PHX to SAN flight and hotel package?
You’ll typically save money by securing a PHX to SAN flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s simple to manage everything in one convenient place. After selecting your preferred accommodations and flights, consider adding extras including tours, car rentals and activities.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to San Diego Intl. Airport (SAN)?
In most instances, you can cancel or modify your PHX to SAN flight. However, additional charges may apply, especially if your booking was made over 24 hours ago. Check your itinerary for the airline’s fees and guidelines on flight changes, or if you need further details, go to our Customer Service portal.

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