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

View $44 flight on Sat, Oct 11, 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

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

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

Prices were available within the past 7 days and start at $44 for one-way flights and $72 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, Nov 4 - Tue, Nov 11
SAN
San Diego
PHX
Phoenix
$72 Roundtrip, found 14 hours ago
$72
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Tue, Nov 4 from San Diego to Phoenix, returning Tue, Nov 11, priced at $72 found 14 hours ago
Frontier Airlines
Thu, Sep 18 - Mon, Sep 22
SAN
San Diego
PHX
Phoenix
$84 Roundtrip, found 12 hours ago
$84
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Thu, Sep 18 from San Diego to Phoenix, returning Mon, Sep 22, priced at $84 found 12 hours ago
Frontier Airlines
Sat, Oct 11 - Tue, Oct 14
SAN
San Diego
PHX
Phoenix
$88 Roundtrip, just found
$88
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Oct 11 from San Diego to Phoenix, returning Tue, Oct 14, priced at $88 just found
Frontier Airlines
Wed, Aug 6 - Wed, Aug 20
SAN
San Diego
PHX
Phoenix
$92 Roundtrip, found 2 days ago
$92
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, Aug 6 from San Diego to Phoenix, returning Wed, Aug 20, priced at $92 found 2 days ago
Alaska Airlines
Thu, Sep 11 - Sat, Sep 13
SAN
San Diego
PHX
Phoenix
$93 Roundtrip, found 1 hour ago
$93
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Thu, Sep 11 from San Diego to Phoenix, returning Sat, Sep 13, priced at $93 found 1 hour ago
Southwest Airlines
Sat, Nov 8 - Tue, Nov 11
SAN
San Diego
PHX
Phoenix
$94 Roundtrip, found 16 hours ago
$94
Roundtrip
found 16 hours ago
Select Southwest Airlines flight, departing Sat, Nov 8 from San Diego to Phoenix, returning Tue, Nov 11, priced at $94 found 16 hours ago
Frontier Airlines
Fri, Sep 26 - Mon, Sep 29
SAN
San Diego
PHX
Phoenix
$95 Roundtrip, found 1 hour ago
$95
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Sep 26 from San Diego to Phoenix, returning Mon, Sep 29, priced at $95 found 1 hour ago
Southwest Airlines
Tue, Sep 23 - Thu, Sep 25
SAN
San Diego
PHX
Phoenix
$97 Roundtrip, found 2 hours ago
$97
Roundtrip
found 2 hours ago
Select Southwest Airlines flight, departing Tue, Sep 23 from San Diego to Phoenix, returning Thu, Sep 25, priced at $97 found 2 hours ago
American Airlines
Tue, Nov 11 - Sat, Nov 15
SAN
San Diego
PHX
Phoenix
$97 Roundtrip, found 7 hours ago
$97
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Tue, Nov 11 from San Diego to Phoenix, returning Sat, Nov 15, priced at $97 found 7 hours ago
United
Mon, Oct 27 - Tue, Oct 28
SAN
San Diego
PHX
Phoenix
$172 Roundtrip, found 4 hours ago
$172
Roundtrip
found 4 hours ago
Select United flight, departing Mon, Oct 27 from San Diego to Phoenix, returning Tue, Oct 28, priced at $172 found 4 hours ago

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

September is typically the cheapest month to fly

From $48 - $86 per traveler.

Graph displaying average flight prices per month

Alternative airports near Phoenix

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

Select flight to Sky Harbor Intl. PHX. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $97
PHX
Sky Harbor Intl.
CheapestClosest
Average driving time to city center10 min
Flights from $97
Flights from San Diego (SAN) to Phoenix (PHX)
Origin airport
San Diego Intl.
Destination airport
Sky Harbor Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$72
Distance
304 mi
Average flight time
1 hour 24 mins

San Diego to Phoenix Flights

The cheapest times to fly from San Diego to Phoenix

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 San Diego to Phoenix are during the month of November. You can find some of the cheapest flights from San Diego to Phoenix with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from San Diego to Phoenix: 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 San Diego to Phoenix

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 San Diego to Phoenix in 2025. You can also book with separate airlines for your outbound and return journeys, from $44 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 San Diego to Phoenix 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 San Diego to Phoenix 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 San Diego Intl. Airport (SAN) to Sky Harbor Intl. Airport (PHX) cost?
Snag cheap return fares starting at $60 from San Diego Intl. Airport (SAN) to Sky Harbor Intl. Airport (PHX). 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 SAN on August 15 2025 and touching down at PHX. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from SAN to PHX?
The cheapest flights from SAN to PHX 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 San Diego Intl. Airport (SAN) to Sky Harbor Intl. Airport (PHX)?
Select from 3 carriers that fly nonstop from San Diego Intl. Airport (SAN) to Sky Harbor Intl. Airport (PHX). Including:

  • Southwest Airlines
  • American Airlines
  • Frontier Airlines

What is the cheapest airline that flies from SAN to PHX?
With tickets starting at $30 for a one-way flight from SAN to PHX, Frontier Airlines is currently the cheapest airline operating this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SAN on September 27 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from San Diego Intl. Airport (SAN) to Sky Harbor Intl. Airport (PHX)?
With an average of 15 nonstop flights that operate from San Diego Intl. Airport (SAN) to Sky Harbor Intl. Airport (PHX) every day, you'll be on your way in no time.
What are the most popular departure times for flights from San Diego Intl. Airport (SAN) to Sky Harbor Intl. Airport (PHX)?
The 6 AM departures from SAN to PHX are the top choice for many travelers. Prices can be higher for these popular slots. If you want to save on your trip, choose a less crowded time to fly.
What day of the week has the most flights from SAN to PHX?
If you fly on a Sunday, you'll get the widest range of choices for flights from San Diego Intl. Airport (SAN) to Sky Harbor Intl. Airport (PHX).
What is the earliest flight from San Diego Intl. Airport (SAN) to Sky Harbor Intl. Airport (PHX)?
San Diego Intl. Airport (SAN)'s first flight to Sky Harbor Intl. Airport (PHX) is at approximately 6:33AM UTC-8. With a flight time of 1h 26m, you'll land at around 8:59AM UTC-7.
How long does it take to fly from San Diego Intl. Airport (SAN) to Sky Harbor Intl. Airport (PHX)?
The average flight duration from SAN to PHX is 1 hour and 23 minutes, covering a distance of 300 mi.
What airline has the least delays from SAN to PHX?
Alaska Airlines has the best performance for on-time direct flights from San Diego Intl. Airport (SAN) to Sky Harbor Intl. Airport (PHX), with an on-time rating of 90%. Use the Expedia App to view your flight status before you jet off and receive notifications about any changes.
What is the best time to fly from San Diego Intl. Airport (SAN) to Sky Harbor Intl. Airport (PHX)?
Opt for a flight from San Diego Intl. Airport (SAN) to Sky Harbor Intl. Airport (PHX) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures later than this are on average 22% more likely to be 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 Phoenix from San Diego Intl. Airport (SAN)?
Browse your flight options from San Diego Intl. Airport (SAN) to Sky Harbor Intl. Airport (PHX). This is the only airport in Phoenix you can arrive at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from San Diego Intl. Airport (SAN) to Sky Harbor Intl. Airport (PHX) last-minute?
Booking your ticket from SAN to PHX just before your journey is generally more expensive. But if there's some wiggle room with your travel times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a SAN to PHX flight and hotel package?
Compared with arranging hotels and flights separately, booking a SAN to PHX flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place will take the stress out of planning your trip. Simply secure your flights and choose from our wide range of stays, then customize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from San Diego Intl. Airport (SAN) to Sky Harbor Intl. Airport (PHX)?
Typically, you can modify or cancel your SAN to PHX flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you need further details, visit our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.