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$40+ Cheap flights from Sky Harbor Intl (PHX) to San Diego (SAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SAN
Aug 31 — Sep 71
Sun 8/31
Sun 9/7
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to San Diego are usually found in February or September, booked 80 days in advance, depart on a Saturday or Friday and return on a Friday

Cheap flight deals from Sky Harbor Intl to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 26, 2025.

Round-trip from

$77
(Kiwi.com)

One-way from

$40
(Frontier)

Popular in

March

Cheapest in

February

Average price

$125

Good round-trip deal

$97 or less

Good one-way deal

$73 or less
From Phoenix Sky Harbor Intl to San Diego
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One-way flight from Phoenix Sky Harbor Intl to San Diego
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Highest demand for flights based on searches. 8% potential increase in price ($11 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to San Diego.
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Price to beat on a one-way flight from Phoenix Sky Harbor Intl to San Diego.
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Find flight deals from Sky Harbor Intl to San Diego

Cheapest flights from Sky Harbor Intl to San Diego
Explore the most affordable flight options available from Sky Harbor Intl to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 26, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/178:00 amPHX - SAN
Nonstop1h 26mFrontier
Sun 9/217:30 pmSAN - PHX
Nonstop1h 30mFrontier
Deal found 8/25$77
This CheapOair deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/192:46 pmPHX - SAN
Nonstop1h 17mFrontier
Tue 9/2310:16 amSAN - PHX
Nonstop1h 34mFrontier
Deal found 8/26$78
This Mytrip deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/185:49 pmPHX - SAN
Nonstop1h 17mFrontier
Sun 9/217:30 pmSAN - PHX
Nonstop1h 30mFrontier
Deal found 8/25$79
This Trip.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/152:46 pmPHX - SAN
Nonstop1h 17mFrontier
Thu 9/187:54 pmSAN - PHX
Nonstop1h 30mFrontier
Deal found 8/25$80
This FlightHub deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/411:16 amPHX - SAN
Nonstop1h 17mFrontier
Fri 9/57:54 pmSAN - PHX
Nonstop1h 30mFrontier
Deal found 8/23$81
This Trip.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/268:00 amPHX - SAN
Nonstop1h 26mFrontier
Mon 9/292:31 pmSAN - PHX
Nonstop1h 28mFrontier
Deal found 8/24$83
This CheapOair deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:05 amPHX - SAN
Nonstop1h 21mFrontier
Sun 10/268:11 amSAN - PHX
Nonstop1h 28mFrontier
Deal found 8/24$84
This FlightHub deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/88:00 pmPHX - SAN
Nonstop1h 24mFrontier
Tue 11/118:00 amSAN - PHX
Nonstop1h 28mFrontier
Deal found 8/26$85
This FlightHub deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/45:49 pmPHX - SAN
Nonstop1h 17mFrontier
Sat 9/610:16 amSAN - PHX
Nonstop1h 34mFrontier
Deal found 8/24$86
This FlightHub deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1811:16 amPHX - SAN
Nonstop1h 17mFrontier
Sun 9/287:30 pmSAN - PHX
Nonstop1h 30mFrontier
Deal found 8/23$88
This eDestinos deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/96:05 amPHX - SAN
Nonstop1h 21mFrontier
Thu 10/163:59 pmSAN - PHX
1 stop3h 49mFrontier
Deal found 8/24$89
This Cheapflightsfares deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/45:49 pmPHX - SAN
Nonstop1h 17mFrontier
Sun 9/72:31 pmSAN - PHX
Nonstop1h 28mFrontier
Deal found 8/24$90

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sky Harbor Intl to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 26, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to San Diego that are best for you.

Fly from

Sky Harbor Intl

Fly to

San Diego

Route

Depart

Return

Price

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Thu 9/25

11:16 am-12:33 pm

Nonstop1h 17m

San Diego

Mon 10/27

8:11 am-9:39 am

Nonstop1h 28m

$77

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Tue 10/28

8:00 pm-9:24 pm

Nonstop1h 24m

San Diego

Thu 10/30

10:14 am-11:48 am

Nonstop1h 34m

$77

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Tue 9/16

8:00 am-9:26 am

Nonstop1h 26m

San Diego

Thu 9/18

7:54 pm-9:24 pm

Nonstop1h 30m

$77

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Thu 9/18

11:16 am-12:33 pm

Nonstop1h 17m

San Diego

Thu 9/25

7:54 pm-9:24 pm

Nonstop1h 30m

$77

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Fri 9/19

2:46 pm-4:03 pm

Nonstop1h 17m

San Diego

Mon 9/22

2:31 pm-3:59 pm

Nonstop1h 28m

$77

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Sun 9/14

1:55 pm-3:10 pm

Nonstop1h 15m

San Diego

Sun 9/21

7:30 pm-9:00 pm

Nonstop1h 30m

$77

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Mon 9/15

2:46 pm-4:03 pm

Nonstop1h 17m

San Diego

Mon 9/22

2:31 pm-3:59 pm

Nonstop1h 28m

$77

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Tue 10/28

8:00 pm-9:24 pm

Nonstop1h 24m

San Diego

Wed 10/29

9:00 am-10:28 am

Nonstop1h 28m

$77

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Sat 10/4

8:00 am-9:26 am

Nonstop1h 26m

San Diego

Sun 10/5

7:30 pm-9:00 pm

Nonstop1h 30m

$77

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Tue 9/23

8:00 am-9:26 am

Nonstop1h 26m

San Diego

Thu 9/25

7:54 pm-9:24 pm

Nonstop1h 30m

$77

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/25

Showing 1-10 of 23 results
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The best insider tips for Phoenix Sky Harbor Intl Airport to San Diego flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Phoenix Sky Harbor Intl Airport to San Diego trip
Airports
PHX

PHX security lines are efficient, with waits under 10 minutes. Check live wait times online to choose the shortest line.

Read more about PHXby Brandon Schultz
SAN

For a quick ride to downtown, use the Route 992 bus from SAN, running every 15 minutes on weekdays.

Read more about SANby Blane Bachelor
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on SAN

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Brandon Schultz

Brandon Schultz

Expert on PHX

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

Best time to book a flight from Sky Harbor Intl to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Sky Harbor Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Phoenix Sky Harbor Intl Airport to San Diego

How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to San Diego. Price data was last updated on August 22, 2025.

The price you pay for your flight from Phoenix Sky Harbor Intl Airport to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 80 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to San Diego?

Currently, August is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to San Diego (average of $286). Flying from Phoenix Sky Harbor Intl Airport to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHX to SAN?

Find hourly flight availability from Sky Harbor Intl to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 26, 2025.

When flying from Phoenix Sky Harbor Intl Airport to San Diego, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 37% versus a flight in the evening.

What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to San Diego?

Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to San Diego. Price data was last updated on August 24, 2025.

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to San Diego flight should consider departing on Saturday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated August 26, 2025.
Read through reviews of airlines operating flights from Phoenix Sky Harbor Intl Airport to San Diego, such as Alaska Airlines, Southwest, and Hawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Southwest
8.0
Very good
4,242 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Hawaiian Airlines
7.8
Good
2,681 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Frontier
5.8
Fair
3,200 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Diego from Phoenix Sky Harbor Intl?

    For a flight from Phoenix Sky Harbor Intl to San Diego, you will be flying into San Diego. San Diego (SAN) is just 2.6 mi from the center of the city. San Diego is the only San Diego airport and it handles 17 inbound flights from Phoenix Sky Harbor Intl per day. 6 airlines have flights to San Diego from Phoenix Sky Harbor Intl on a regular basis.

  • How long is the flight from Phoenix Sky Harbor Intl Airport to San Diego?

    Frontier can get you from Phoenix Sky Harbor Intl Airport to San Diego in just under 1h 17m. Your travel time will be generally consistent. There are 305 mi between Phoenix Sky Harbor Intl Airport and San Diego. Most flights are nonstop.

  • What are the cheapest airlines flying from Phoenix Sky Harbor Intl Airport to San Diego round-trip?

    Currently priced at $47, Spirit Airlines will fly you from Phoenix Sky Harbor Intl Airport to San Diego and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Hawaiian Airlines and Frontier - these airlines can fly you to your destination from $48 and $49, respectively. These flights start at 64% lower than the current average price 3 months from now.

  • What are the most reliable airlines from Phoenix Sky Harbor Intl Airport to San Diego?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Phoenix Sky Harbor Intl Airport to San Diego on time: Southwest (75%), Frontier (75%), Japan Airlines (72%).

  • What are the cheapest flights from Phoenix Sky Harbor Intl Airport to San Diego?

    While on average a flight from Phoenix Sky Harbor Intl Airport to San Diego is generally $755, our data shows the cheapest flight currently is $39. When looking at the most popular route, (Phoenix Sky Harbor Intl - San Diego), you can expect to pay $41 for that flight.

  • Can I find deals for flights from Sky Harbor Intl to San Diego that include hotel bookings?

    Yes. In addition to deals on Sky Harbor Intl to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sky Harbor Intl to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sky Harbor Intl to San Diego.

  • Can I find deals for business class flights from Sky Harbor Intl to San Diego?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to San Diego (average of $286). Flying from Phoenix Sky Harbor Intl Airport to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
La Mesa
Poway
Lemon Grove
Coronado
Imperial Beach
National City
Alpine

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Alternative routes for Sky Harbor Intl to San Diego

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Top 6 airlines flying from Sky Harbor Intl to San Diego

Discover the top 6 airlines that operate flights from Sky Harbor Intl to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$47Average$110FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$48Average$162FlexibilityNo cancel feeOn-time85%
FrontierCheapest$49Average$115FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$93Average$146FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$97Average$238FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$117Average$248FlexibilityNo cancel feeOn-time71%

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