$23 Cheap Flights from Phoenix (PHX) to San Diego (SAN)

View $23 flight on Thu, Apr 9, 2026Opens in a new window

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

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

Prices were available within the past 7 days and start at $23 for one-way flights and $46 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, May 13 - Wed, May 20
PHX
Phoenix
SAN
San Diego
$46 Roundtrip, just found
$46
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, May 13 from Phoenix to San Diego, returning Wed, May 20, priced at $46 just found
Frontier Airlines
Sat, Apr 11 - Tue, Apr 14
PHX
Phoenix
SAN
San Diego
$51 Roundtrip, just found
$51
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Apr 11 from Phoenix to San Diego, returning Tue, Apr 14, priced at $51 just found
Frontier Airlines
Wed, May 20 - Wed, May 27
PHX
Phoenix
SAN
San Diego
$56 Roundtrip, just found
$56
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, May 20 from Phoenix to San Diego, returning Wed, May 27, priced at $56 just found
Frontier Airlines
Wed, May 20 - Wed, May 27
PHX
Phoenix
SAN
San Diego
$61 Roundtrip, just found
$61
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, May 20 from Phoenix to San Diego, returning Wed, May 27, priced at $61 just found
Frontier Airlines
Mon, Jun 8 - Wed, Jun 10
PHX
Phoenix
SAN
San Diego
$66 Roundtrip, found 5 hours ago
$66
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Mon, Jun 8 from Phoenix to San Diego, returning Wed, Jun 10, priced at $66 found 5 hours ago
Frontier Airlines
Thu, May 7 - Sun, May 10
PHX
Phoenix
SAN
San Diego
$67 Roundtrip, just found
$67
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, May 7 from Phoenix to San Diego, returning Sun, May 10, priced at $67 just found
Southwest Airlines
Tue, May 5 - Tue, May 12
PHX
Phoenix
SAN
San Diego
$97 Roundtrip, just found
$97
Roundtrip
just found
Select Southwest Airlines flight, departing Tue, May 5 from Phoenix to San Diego, returning Tue, May 12, priced at $97 just found
Hawaiian Airlines
Wed, Apr 8 - Sun, Apr 19
PHX
Phoenix
SAN
San Diego
$117 Roundtrip, just found
$117
Roundtrip
just found
Select Hawaiian Airlines flight, departing Wed, Apr 8 from Phoenix to San Diego, returning Sun, Apr 19, priced at $117 just found
American Airlines
Thu, Apr 9 - Sun, Apr 12
PHX
Phoenix
SAN
San Diego
$137 Roundtrip, just found
$137
Roundtrip
just found
Select American Airlines flight, departing Thu, Apr 9 from Phoenix to San Diego, returning Sun, Apr 12, priced at $137 just found
Delta
Mon, May 11 - Tue, May 12
PHX
Phoenix
SAN
San Diego
$177 Roundtrip, just found
$177
Roundtrip
just found
Select Delta flight, departing Mon, May 11 from Phoenix to San Diego, returning Tue, May 12, priced at $177 just found

The Annual Vacation Sale

Members save up to 40% on hotels and homes. Plan this year’s big trip and save.
Book now

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 $499
TIJ
General Abelardo L. Rodriguez Intl.
Average driving time to city center26 min
Flights from $499
Select flight to McClellan-Palomar CLD. Average driving time to city center is 38 minutes. Flights from $361
CLD
McClellan-Palomar
Average driving time to city center38 min
Flights from $361

Find the cheapest month to fly from Phoenix (PHX) to San Diego (SAN)

February is typically the cheapest month to fly

From $48 - $103 per traveler.

Frequently asked questions

How much does a flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to San Diego, CA (SAN-San Diego Intl.) cost?
You can find cheap one-way flights from $23 and cheap return flights from $46 Phoenix, AZ (PHX-Sky Harbor Intl.) to San Diego, CA (SAN-San Diego Intl.) with Expedia. One-way flights generally range between $62 and $630, and roundtrip flights usually range from $160 to $1136. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Phoenix, AZ (PHX-Sky Harbor Intl.) to San Diego, CA (SAN-San Diego Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to San Diego, CA (SAN-San Diego Intl.)?
October is the cheapest month to fly from Phoenix (PHX) to San Diego (SAN), with average return fares around $162. This is about 23% lower than the average price throughout the year, as October sees a drop in travel demand after the summer peak. Other cheap months to fly from Phoenix to San Diego include September and November.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Phoenix, AZ (PHX-Sky Harbor Intl.) to San Diego, CA (SAN-San Diego Intl.)?
There are 3 airlines offering direct flights from PHX to SAN:

  • American Airlines operates around 36 direct flights from PHX to SAN every week
  • Frontier Airlines operates around 9 direct flights from PHX to SAN every week
  • Hawaiian Airlines operates around 25 direct flights from PHX to SAN every week

What is the cheapest airline that flies from Phoenix, AZ (PHX-Sky Harbor Intl.) to San Diego, CA (SAN-San Diego Intl.)?
Spirit Airlines is one of the cheapest airlines offering connecting flights from Phoenix (PHX) to San Diego (SAN), with round-trip tickets starting from around $199. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to San Diego, CA (SAN-San Diego Intl.)?
To find a cheap flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to San Diego, CA (SAN-San Diego Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Phoenix, AZ (PHX-Sky Harbor Intl.) to San Diego, CA (SAN-San Diego Intl.)?
The best airline to fly with from Phoenix, AZ (PHX) to San Diego, CA (SAN) will differ from traveler to traveler. If you like to fly early, Frontier Airlines offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. WN offers the most daily flights from Phoenix to San Diego, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to San Diego, CA (SAN-San Diego Intl.)?
For flights from Phoenix, AZ (PHX) to San Diego, CA (SAN), October and September are the best months to travel. You can find return flights for around $162 in October, which is perfect for enjoying the pleasant fall weather. September is also popular, providing a great opportunity to enjoy the beach before the summer crowds leave.*Prices based on flights available on Expedia in the last year.
How many flights per day from Phoenix, AZ (PHX-Sky Harbor Intl.) to San Diego, CA (SAN-San Diego Intl.)?
You can find approximately 16 nonstop flights per day from Sky Harbor Intl. (PHX) to San Diego Intl. (SAN). For more options, look at flights that include layovers.
What is the earliest flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to San Diego, CA (SAN-San Diego Intl.)?
The earliest flight from Sky Harbor International Airport (PHX) to San Diego International Airport (SAN) typically leaves at 12:15 AM, operated by American Airlines. This seasonal service is available in October, allowing you to arrive in San Diego early and make the most of your day. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to San Diego, CA (SAN-San Diego Intl.)?
The most popular departure times for flights from Phoenix (PHX) to San Diego (SAN) are in the morning, from 6am to 9am. About 25% of passengers prefer this time window. Many major carriers, including United Airlines and Southwest Airlines, offer flights during this window. This timing is favored because it allows you to arrive in San Diego early and enjoy the day ahead.
How long does it take to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to San Diego, CA (SAN-San Diego Intl.)?
Direct flights from PHX to SAN usually take about 1 hour 20 minutes, traveling roughly 304 miles. If you opt for a connecting flight, expect to add around 5 hours 40 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Phoenix, AZ (PHX-Sky Harbor Intl.) to San Diego, CA (SAN-San Diego Intl.)?
Business class seats are offered on the PHX to SAN route with JetBlue Airways.First class cabins are available on:

  • Delta Air Lines
  • American Airlines
  • United Airlines
  • Hawaiian Airlines

How much is a business class flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to San Diego, CA (SAN-San Diego Intl.)?
A direct, return business class ticket from Phoenix, AZ (PHX) to San Diego, CA (SAN) typically costs between $578 - $1,138. A non-stop, one-way business class flight is usually around $298 - $482. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Phoenix, AZ (PHX-Sky Harbor Intl.) to San Diego, CA (SAN-San Diego Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to San Diego, CA (SAN-San Diego Intl.) flight with Expedia?
It's easy to earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to San Diego, CA (SAN-San Diego Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for San Diego from Sky Harbor Intl. (PHX)?
If you're planning to travel to San Diego from Sky Harbor Intl. (PHX), you can fly into San Diego Intl. (SAN) Some flights may connect through major hubs like San Francisco Intl. (SFO), John Wayne (SNA), Long Beach Municipal (LGB) before reaching San Diego. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Phoenix, AZ (PHX-Sky Harbor Intl.) to San Diego, CA (SAN-San Diego Intl.) at the last minute?
Typically, booking a last minute flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to San Diego, CA (SAN-San Diego Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Phoenix, AZ (PHX-Sky Harbor Intl.) to San Diego, CA (SAN-San Diego Intl.) flight and hotel package?
Securing a Phoenix, AZ (PHX-Sky Harbor Intl.) to San Diego, CA (SAN-San Diego Intl.) San Diego Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to San Diego, CA (SAN-San Diego Intl.)?
If you booked your Phoenix, AZ (PHX-Sky Harbor Intl.) to San Diego, CA (SAN-San Diego Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Sky Harbor Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$46
Distance
304 mi
Average flight time
1 hour 15 mins

Book with confidence

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 May. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $23 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.

 

Phoenix to San Diego Flights

*Flight schedules are subject to change.

Explore a world of travel with Expedia

*Available to One Key members.