$44 Cheap Flights from Phoenix (PHX) to San Diego (SAN)

View $44 flight on Tue, Jul 29, 2025Opens in a new window

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

Prices were available within the past 7 days and start at $44 for one-way flights and $80 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Mon, Jun 2 - Wed, Jun 4
PHX
Phoenix
SAN
San Diego
$80 Roundtrip, found 2 hours ago
$80
Roundtrip
found 2 hours ago
Select Spirit Airlines flight, departing Mon, Jun 2 from Phoenix to San Diego, returning Wed, Jun 4, priced at $80 found 2 hours ago
Spirit Airlines
Thu, May 15 - Wed, May 21
PHX
Phoenix
SAN
San Diego
$88 Roundtrip, found 13 hours ago
$88
Roundtrip
found 13 hours ago
Select Spirit Airlines flight, departing Thu, May 15 from Phoenix to San Diego, returning Wed, May 21, priced at $88 found 13 hours ago
Frontier Airlines
Sat, Jul 26 - Tue, Jul 29
PHX
Phoenix
SAN
San Diego
$88 Roundtrip, just found
$88
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Jul 26 from Phoenix to San Diego, returning Tue, Jul 29, priced at $88 just found
Frontier Airlines
Sun, Jun 1 - Wed, Jun 4
PHX
Phoenix
SAN
San Diego
$93 Roundtrip, just found
$93
Roundtrip
just found
Select Frontier Airlines flight, departing Sun, Jun 1 from Phoenix to San Diego, returning Wed, Jun 4, priced at $93 just found
Frontier Airlines
Sat, Jul 12 - Tue, Jul 15
PHX
Phoenix
SAN
San Diego
$94 Roundtrip, just found
$94
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Jul 12 from Phoenix to San Diego, returning Tue, Jul 15, priced at $94 just found
Spirit Airlines
Mon, Jun 2 - Wed, Jun 4
PHX
Phoenix
SAN
San Diego
$96 Roundtrip, found 2 hours ago
$96
Roundtrip
found 2 hours ago
Select Spirit Airlines flight, departing Mon, Jun 2 from Phoenix to San Diego, returning Wed, Jun 4, priced at $96 found 2 hours ago
Frontier Airlines
Tue, Jul 22 - Fri, Jul 25
PHX
Phoenix
SAN
San Diego
$98 Roundtrip, just found
$98
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Jul 22 from Phoenix to San Diego, returning Fri, Jul 25, priced at $98 just found
Frontier Airlines
Sun, Jul 20 - Wed, Jul 23
PHX
Phoenix
SAN
San Diego
$103 Roundtrip, just found
$103
Roundtrip
just found
Select Frontier Airlines flight, departing Sun, Jul 20 from Phoenix to San Diego, returning Wed, Jul 23, priced at $103 just found
Frontier Airlines
Sun, Jul 13 - Tue, Jul 15
PHX
Phoenix
SAN
San Diego
$104 Roundtrip, found 2 hours ago
$104
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sun, Jul 13 from Phoenix to San Diego, returning Tue, Jul 15, priced at $104 found 2 hours ago
Frontier Airlines
Wed, Jul 2 - Sat, Jul 5
PHX
Phoenix
SAN
San Diego
$105 Roundtrip, just found
$105
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Jul 2 from Phoenix to San Diego, returning Sat, Jul 5, priced at $105 just found

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 $83 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 May 20 2025 and touching down at SAN. The price was last updated on April 29 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 Frontier Airlines. This airline currently offers the lowest one-way fare for this route, starting at $44. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from PHX on July 23 2025. Prices were last updated on April 29 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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