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$31+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SAN
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Find cheap flights from Sky Harbor Intl to San Diego with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to San Diego are usually found in October or September, booked 80 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap 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 February 13, 2026.

This Frontier deal was found by Cheapflights users on 2/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/269:59 pm
PHX
-
SAN
Nonstop1h 20m
Frontier
Fri 2/278:20 pm
SAN
-
PHX
Nonstop1h 33m
Frontier
Deal found 2/10$58
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 3/111:09 pm
PHX
-
SAN
Nonstop1h 22m
Frontier
Fri 3/132:57 pm
SAN
-
PHX
Nonstop1h 31m
Frontier
Deal found 2/12$65
This Frontier deal was found by Cheapflights users on 2/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/161:09 pm
PHX
-
SAN
Nonstop1h 16m
Frontier
Sun 4/193:20 pm
SAN
-
PHX
Nonstop1h 26m
Frontier
Deal found 2/13$66
This Frontier deal was found by Cheapflights users on 2/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/106:00 am
PHX
-
SAN
Nonstop1h 21m
Frontier
Sat 4/113:46 pm
SAN
-
PHX
Nonstop1h 26m
Frontier
Deal found 2/11$67
This Trip.com deal was found by Cheapflights users on 2/12. 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 3/61:49 pm
PHX
-
SAN
Nonstop1h 22m
Frontier
Mon 3/94:29 pm
SAN
-
PHX
Nonstop1h 27m
Frontier
Deal found 2/12$69
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Thu 4/301:09 pm
PHX
-
SAN
Nonstop1h 16m
Frontier
Sun 5/33:20 pm
SAN
-
PHX
Nonstop1h 26m
Frontier
Deal found 2/11$71
This Frontier deal was found by Cheapflights users on 2/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/121:09 pm
PHX
-
SAN
Nonstop1h 22m
Frontier
Tue 3/173:16 pm
SAN
-
PHX
Nonstop1h 25m
Frontier
Deal found 2/10$72
This Frontier deal was found by Cheapflights users on 2/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/199:59 pm
PHX
-
SAN
Nonstop1h 20m
Frontier
Sun 2/228:10 pm
SAN
-
PHX
Nonstop1h 33m
Frontier
Deal found 2/9$73
This Super.com deal was found by Cheapflights users on 2/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/72:09 pm
PHX
-
SAN
Nonstop1h 21m
Frontier
Sat 3/143:16 pm
SAN
-
PHX
Nonstop1h 25m
Frontier
Deal found 2/9$77
This Frontier deal was found by Cheapflights users on 2/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/59:59 pm
PHX
-
SAN
Nonstop1h 20m
Frontier
Sun 3/83:16 pm
SAN
-
PHX
Nonstop1h 25m
Frontier
Deal found 2/10$78
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Tue 4/1412:54 pm
PHX
-
SAN
1 stop7h 10m
Frontier
Wed 4/1512:29 pm
SAN
-
PHX
Nonstop1h 31m
Frontier
Deal found 2/10$80
This Super.com deal was found by Cheapflights users on 2/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/72:09 pm
PHX
-
SAN
Nonstop1h 21m
Frontier
Fri 3/132:57 pm
SAN
-
PHX
Nonstop1h 31m
Frontier
Deal found 2/9$81

Find 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 February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$58
(Frontier)

One-way from

$31
(Kiwi.com)

Popular in

April

Cheapest in

October

Average price

$130

Good round-trip deal

$127 or less

Good one-way deal

$71 or less
Provider with most accurate pricing for Phoenix Sky Harbor Intl-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Phoenix Sky Harbor Intl-San Diego flights.
Search Deals
From Phoenix Sky Harbor Intl to San Diego
Search Deals
One-way flight from Phoenix Sky Harbor Intl to San Diego
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($2 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to San Diego.
Search Deals
Price to beat on a one-way flight from Phoenix Sky Harbor Intl to San Diego.
Search Deals

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 February 13, 2026.
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

Wed 4/1

12:45 pm-2:04 pm

Nonstop1h 19m

San Diego

Sat 4/4

3:46 pm-5:12 pm

Nonstop1h 26m

$72

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Mon 5/4

1:09 pm-2:25 pm

Nonstop1h 16m

San Diego

Fri 5/8

12:36 pm-8:10 pm

1 stop7h 34m

$94

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Wed 3/4

4:27 pm-4:44 pm

Nonstop1h 17m

San Diego

Wed 3/4

9:21 pm-11:42 pm

Nonstop1h 21m

$97

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Wed 3/18

7:00 am-8:20 am

Nonstop1h 20m

San Diego

Wed 3/18

8:10 pm-9:40 pm

Nonstop1h 30m

$97

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Tue 3/17

3:35 pm-6:40 pm

1 stop3h 05m

San Diego

Tue 3/17

8:10 pm-9:40 pm

Nonstop1h 30m

$103

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Wed 4/1

8:00 am-9:30 am

Nonstop1h 30m

San Diego

Wed 4/1

1:00 pm-5:45 pm

1 stop4h 45m

$107

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Wed 3/4

6:45 am-10:25 am

1 stop4h 40m

San Diego

Wed 3/4

7:55 pm-10:20 pm

Nonstop1h 25m

$107

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Tue 4/28

12:45 pm-5:55 pm

2 stops5h 10m

San Diego

Wed 4/29

9:35 pm-11:00 pm

Nonstop1h 25m

$112

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Fri 3/6

8:20 pm-8:42 pm

Nonstop1h 22m

San Diego

Sun 3/8

3:16 pm-4:41 pm

Nonstop1h 25m

$117

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Wed 3/11

1:15 pm-5:25 pm

1 stop4h 10m

San Diego

Thu 3/12

6:45 am-8:15 am

Nonstop1h 30m

$117

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/12

Showing 1-10 of 21 results
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Compare providers for flights from Sky Harbor Intl to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sky Harbor Intl to San Diego in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
Super.comPrice Accuracy-Trust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phoenix Sky Harbor Intl Airport-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phoenix Sky Harbor Intl Airport-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 February 6, 2026.

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, February is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to San Diego (average of $45). Flying from Phoenix Sky Harbor Intl Airport to San Diego in June is currently the most expensive (average of $90). 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 February 13, 2026.

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 30% 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 February 7, 2026.

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

The best insider tips for Phoenix Sky Harbor Intl Airport to San Diego flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Phoenix Sky Harbor Intl Airport to San Diego trip
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on SAN

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 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

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 February 13, 2026.
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
11,882 reviews

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.0

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Alaska Airlines
8.0
Very good
11,882 reviews
Alaska Airlines
8.0
Very good
11,882 reviews

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.0

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Southwest
8.0
Very good
4,283 reviews
Alaska Airlines
8.0
Very good
11,882 reviews

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.0

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Hawaiian Airlines
7.8
Good
2,833 reviews
Alaska Airlines
8.0
Very good
11,882 reviews

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.0

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
American Airlines
7.2
Good
11,287 reviews
Alaska Airlines
8.0
Very good
11,882 reviews

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.0

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Frontier
5.7
Fair
3,052 reviews
Alaska Airlines
8.0
Very good
11,882 reviews

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.0

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

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 22 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, Alaska Airlines, and Southwest 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 $56, respectively. These flights start at 66% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Phoenix Sky Harbor Intl Airport to San Diego one-way?

    $29 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Hawaiian Airlines and Alaska Airlines, with prices starting from $45 and $48, respectively.

  • 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: Frontier (87%), Japan Airlines (87%), American Airlines (76%).

  • 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 $665, our data shows the cheapest flight currently is $28. When looking at the most popular route, (Phoenix Sky Harbor Intl - San Diego), you can expect to pay $72 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, February is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to San Diego (average of $45). Flying from Phoenix Sky Harbor Intl Airport to San Diego in June is currently the most expensive (average of $90). 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
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove

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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 February 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$47Average$107FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$48Average$137FlexibilityNo cancel feeOn-time85%
FrontierCheapest$56Average$118FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$79Average$152FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$92Average$195FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$97Average$231FlexibilityNo cancel feeOn-time71%

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