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$42+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SAN
Apr 29 — May 61
Wed 4/29
Wed 5/6
1 adult, Economy
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Find cheap flights from Phoenix to San Diego with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Phoenix to San Diego are usually found in October or September, booked 71 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 March 30, 2026.

This Frontier deal was found by Cheapflights users on 3/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2811:26 am
PHX
-
SAN
Nonstop1h 17m
Frontier
Mon 6/11:38 pm
SAN
-
PHX
Nonstop1h 34m
Frontier
Deal found 3/25$54
This Kiwi.com deal was found by Cheapflights users on 3/27. 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
Thu 4/167:23 pm
SAN
-
PHX
Nonstop1h 32m
Frontier
Deal found 3/27$55
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1411:26 am
PHX
-
SAN
Nonstop1h 17m
Frontier
Fri 5/151:38 pm
SAN
-
PHX
Nonstop1h 34m
Frontier
Deal found 3/26$65
This Super.com deal was found by Cheapflights users on 3/27. 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 4/248:42 am
PHX
-
SAN
Nonstop1h 24m
Frontier
Tue 4/282:29 pm
SAN
-
PHX
Nonstop1h 28m
Frontier
Deal found 3/27$66
This Frontier deal was found by Cheapflights users on 3/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1411:26 am
PHX
-
SAN
Nonstop1h 17m
Frontier
Mon 6/11:38 pm
SAN
-
PHX
Nonstop1h 34m
Frontier
Deal found 3/25$70
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 4/248:42 am
PHX
-
SAN
Nonstop1h 24m
Frontier
Mon 4/278:38 am
SAN
-
PHX
Nonstop1h 33m
Frontier
Deal found 3/29$71
This Frontier deal was found by Cheapflights users on 3/29. 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 5/1411:26 am
PHX
-
SAN
Nonstop1h 17m
Frontier
Sat 5/166:54 pm
SAN
-
PHX
Nonstop1h 26m
Frontier
Deal found 3/29$72
This Super.com deal was found by Cheapflights users on 3/29. 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 5/21:08 pm
PHX
-
SAN
Nonstop1h 16m
Frontier
Thu 5/141:38 pm
SAN
-
PHX
Nonstop1h 34m
Frontier
Deal found 3/29$74
This Frontier deal was found by Cheapflights users on 3/29. 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.
Sat 5/21:08 pm
PHX
-
SAN
Nonstop1h 16m
Frontier
Wed 5/64:17 pm
SAN
-
PHX
Nonstop1h 26m
Frontier
Deal found 3/29$75
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 5/1511:26 am
PHX
-
SAN
Nonstop1h 17m
Frontier
Thu 5/211:38 pm
SAN
-
PHX
Nonstop1h 34m
Frontier
Deal found 3/28$80
This Frontier deal was found by Cheapflights users on 3/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/411:26 am
PHX
-
SAN
Nonstop1h 17m
Frontier
Sat 6/134:17 pm
SAN
-
PHX
Nonstop1h 26m
Frontier
Deal found 3/25$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 March 30, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$54
(Frontier)

One-way from

$42
(Kiwi.com)

Popular in

March

Cheapest in

October

Average price

$174
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. 10% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 30, 2026.
Use the filters below to find and compare flights from Phoenix to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Fri 4/24

6:00 am-7:15 am

Nonstop1h 15m

San Diego

Tue 4/28

10:05 am-11:30 am

Nonstop1h 25m

$137

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Thu 4/16

11:00 am-12:10 pm

Nonstop1h 10m

San Diego

Sun 4/19

6:20 am-7:50 am

Nonstop1h 30m

$137

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Fri 5/15

9:55 pm-11:05 pm

Nonstop1h 10m

San Diego

Sun 5/17

8:30 pm-12:05 am

1 stop3h 35m

$147

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Sun 4/19

6:40 am-7:55 am

Nonstop1h 15m

San Diego

Sun 4/19

8:30 pm-12:05 am

1 stop3h 35m

$147

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Fri 4/24

6:00 am-10:20 am

1 stop4h 20m

San Diego

Sun 4/26

6:20 am-9:54 am

1 stop3h 34m

$157

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Thu 4/23

4:40 pm-10:36 pm

1 stop5h 56m

San Diego

Mon 4/27

7:45 pm-11:14 pm

1 stop3h 29m

$157

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Thu 5/14

7:55 pm-11:15 pm

1 stop3h 20m

San Diego

Sat 5/16

3:15 pm-8:26 pm

1 stop5h 11m

$157

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Fri 5/1

4:40 pm-10:36 pm

1 stop5h 56m

San Diego

Mon 5/4

7:45 pm-11:14 pm

1 stop3h 29m

$157

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Thu 5/7

6:10 pm-9:10 pm

1 stop3h 00m

San Diego

Sun 5/10

8:30 pm-12:05 am

1 stop3h 35m

$157

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Mon 4/27

6:10 pm-10:30 pm

1 stop4h 20m

San Diego

Mon 5/4

6:50 pm-10:10 pm

1 stop3h 20m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3
  • 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 March 13, 2026.

To ensure you get the cheapest price possible for a flight from Phoenix to San Diego, you should look to book at least 71 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 $38). Flying from Phoenix to San Diego in June is currently the most expensive (average of $87). 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 March 30, 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 25% 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 March 28, 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. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Phoenix to San Diego

Explore weekly flight availability from Phoenix to San Diego. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 30, 2026.

The most flights from PH1 to SAN are scheduled on a Friday (30 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (16 on average).

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 108 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, American Airlines have had the lowest number of delays on this route, with just 16% 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 March 30, 2026.
Read reviews from past customers who have flown Southwest,Alaska Airlines, andHawaiian 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.
Southwest
8.0
Very good
4,329 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Southwest
8.0
Very good
4,329 reviews
Southwest
8.0
Very good
4,329 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Alaska Airlines
7.9
Good
12,138 reviews
Southwest
8.0
Very good
4,329 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Hawaiian Airlines
7.8
Good
2,837 reviews
Southwest
8.0
Very good
4,329 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
American Airlines
7.1
Good
11,531 reviews
Southwest
8.0
Very good
4,329 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Frontier
5.7
Fair
3,009 reviews
Southwest
8.0
Very good
4,329 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.

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 24 daily inbound flights from Phoenix from 6 different airlines.

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

    For as low as $137, Southwest can have you in San Diego from Phoenix in 1h 15m. 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 Hawaiian Airlines and Alaska Airlines, with the lowest prices starting at $48 and $79, 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: Japan Airlines (89%), Porter Airlines (86%), Frontier( 84%).

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

    The cheapest flight price from Phoenix to San Diego is $46. On average you can expect to pay $620. The most popular route, (Phoenix Sky Harbor Intl - San Diego), can usually be booked for $46.

  • 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 $38). Flying from Phoenix to San Diego in June is currently the most expensive (average of $87). 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 6 airlines flying from Phoenix to San Diego

Discover the top 6 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 March 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$41Average$144FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$48Average$139FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$79Average$158FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$87Average$194FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$97Average$228FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$273Average$350FlexibilityNo cancel feeOn-time69%

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