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$31+ Cheap flights from Phoenix 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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SAN
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix 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 Phoenix to San Diego

Cheapest flights from Phoenix to San Diego
Explore the most affordable flight options available from Phoenix to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.

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.
Thu 2/265:26 pm
PHX
-
SAN
Nonstop1h 25m
Frontier
Mon 3/28:20 pm
SAN
-
PHX
Nonstop1h 33m
Frontier
Deal found 2/11$58
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.
Fri 3/272:09 pm
PHX
-
SAN
Nonstop1h 21m
Frontier
Tue 3/313:31 pm
SAN
-
PHX
Nonstop1h 25m
Frontier
Deal found 2/11$65
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.
Sun 4/56:00 am
PHX
-
SAN
Nonstop1h 21m
Frontier
Tue 4/1412:29 pm
SAN
-
PHX
Nonstop1h 31m
Frontier
Deal found 2/9$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 Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/171:09 pm
PHX
-
SAN
Nonstop1h 16m
Frontier
Mon 4/203:20 pm
SAN
-
PHX
Nonstop1h 26m
Frontier
Deal found 2/11$71
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.
Thu 3/121:09 pm
PHX
-
SAN
Nonstop1h 22m
Frontier
Mon 3/1610:13 pm
SAN
-
PHX
Nonstop1h 31m
Frontier
Deal found 2/11$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 Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:06 pm
PHX
-
SAN
Nonstop1h 25m
Multiple Airlines
Mon 3/95:08 pm
SAN
-
PHX
Nonstop1h 24m
Multiple Airlines
Deal found 2/9$79
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 4/1410:10 am
PHX
-
SAN
Nonstop1h 24m
Frontier
Tue 5/57:15 am
SAN
-
PHX
1 stop10h 28m
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 Phoenix to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) 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 12, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$58
(Frontier)

One-way from

$31
(Kiwi.com)

Popular in

April

Cheapest in

October

Average price

$130
Provider with most accurate pricing for Phoenix-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Phoenix-San Diego flights.
Search Deals
From Phoenix to San Diego
Search Deals
One-way flight from Phoenix 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

Cheapflights Fare Finder

 
Customize your flight search to find flights from Phoenix 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 12, 2026.
Use the filters below to find and compare flights from Phoenix to San Diego that are best for you.

Fly from

Phoenix

Fly to

San Diego

Route

Depart

Return

Price

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Thu 2/26

5:26 pm-5:51 pm

Nonstop1h 25m

San Diego

Mon 3/2

8:20 pm-10:53 pm

Nonstop1h 33m

$58

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Thu 3/12

1:09 pm-2:31 pm

Nonstop1h 22m

San Diego

Mon 3/16

10:13 pm-11:44 pm

Nonstop1h 31m

$72

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Tue 4/14

12:54 pm-8:04 pm

1 stop7h 10m

San Diego

Thu 4/16

3:20 pm-4:46 pm

Nonstop1h 26m

$80

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Fri 3/13

12:49 pm-2:12 pm

Nonstop1h 23m

San Diego

Tue 3/17

3:16 pm-4:41 pm

Nonstop1h 25m

$89

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Wed 3/4

8:19 am-8:44 am

Nonstop1h 25m

San Diego

Wed 3/4

1:09 pm-3:38 pm

Nonstop1h 29m

$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

Fri 3/20

2:08 pm-3:29 pm

Nonstop1h 21m

San Diego

Sun 3/22

9:44 pm-11:12 pm

Nonstop1h 28m

$106

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Wed 3/11

5:30 am-9:00 am

1 stop3h 30m

San Diego

Fri 3/13

7:30 pm-9:00 pm

Nonstop1h 30m

$117

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Sun 3/29

6:30 am-7:45 am

Nonstop1h 15m

San Diego

Wed 4/1

3:00 pm-7:15 pm

1 stop4h 15m

$132

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Fri 3/27

2:09 pm-3:30 pm

Nonstop1h 21m

$43

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 20 results
1
2
  • Most accurate provider: When it comes to deals on Phoenix-San Diego flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Phoenix-San Diego flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Phoenix-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phoenix-San Diego flights, Cheapflights users trust Expedia the most. Expedia 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-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 Phoenix to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Phoenix 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 to San Diego

How far ahead should I book a flight from Phoenix to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Phoenix to San Diego. Price data was last updated on February 6, 2026.

To ensure you get the cheapest price possible for a flight from Phoenix to San Diego, you should look to book at least 80 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Phoenix to San Diego?

Currently, February is the cheapest month in which you can book a flight from Phoenix to San Diego (average of $45). Flying from Phoenix 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 Phoenix 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 12, 2026.

When flying from Phoenix 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 to San Diego?

Use this chart to determine the cheapest time to fly round-trip from Phoenix to San Diego. Price data was last updated on February 7, 2026.

Travelers seeking maximum savings on their Phoenix 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.

How much does it cost to fly round-trip from Phoenix to San Diego?

How often are flights from Phoenix to San Diego delayed?

About 17% of weekly flights between Phoenix and San Diego have experienced delays in the past year, with the average delay time being 109 minutes.

What is the most punctual flight time for Phoenix to San Diego flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Phoenix to San Diego flights?

Over the last year, Frontier have had the lowest number of delays on this route, with just 13% of flights being delayed.

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 12, 2026.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Hawaiian Airlines from Phoenix to San Diego. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,878 reviews

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

Comfort

7.8

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
11,878 reviews
Alaska Airlines
8.0
Very good
11,878 reviews

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

Comfort

7.8

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
4,280 reviews
Alaska Airlines
8.0
Very good
11,878 reviews

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

Comfort

7.8

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
11,878 reviews

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

Comfort

7.8

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
11,271 reviews
Alaska Airlines
8.0
Very good
11,878 reviews

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

Comfort

7.8

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
11,878 reviews

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

Comfort

7.8

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 Phoenix 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?

    Located just 2.6 mi from the city center, San Diego is the airport most travelers will use when flying to San Diego from Phoenix. Booking flights from Phoenix to San Diego (SAN) should be relatively easy as there are 8 daily inbound flights from Phoenix from 7 different airlines.

  • How long is the flight from Phoenix to San Diego?

    For as low as $58, Frontier can have you in San Diego from Phoenix in 1h 25m. The distance between Phoenix and San Diego is about 305 mi. Generally, flights for this route are nonstop.

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

    Flying on Frontier is currently your cheapest option to San Diego, with prices starting at $41. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and Hawaiian Airlines, with the lowest prices starting at $47 and $48, respectively. These flights start at 70% lower than the current average price 3 months from now.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $29. Hawaiian Airlines flights start at $45 while deals on Southwest start at $48 one-way.

  • What are the most reliable airlines from Phoenix to San Diego?

    Before booking your flight to San Diego from Phoenix, check out the most reliable airlines to get you to your destination on time: Frontier (87%), Japan Airlines (87%), American Airlines( 76%).

  • What are the cheapest flights from Phoenix to San Diego?

    The cheapest flight price from Phoenix to San Diego is $28. On average you can expect to pay $665. The most popular route, (Phoenix Sky Harbor Intl - San Diego), can usually be booked for $72.

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

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

  • How can I find direct flights from Phoenix to San Diego?

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

  • Can I find deals for business class flights from Phoenix to San Diego?

    Yes. Cheapflights offers flight deals from Phoenix 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 to San Diego?

    Currently, February is the cheapest month in which you can book a flight from Phoenix to San Diego (average of $45). Flying from Phoenix 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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Alternative routes for Phoenix to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Phoenix to San Diego

Discover the top 7 airlines that operate flights from Phoenix 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 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$41Average$148FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$47Average$107FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$48Average$137FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$79Average$152FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$92Average$195FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$97Average$231FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$273Average$408FlexibilityNo cancel feeOn-time69%

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