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

Currently priced at $80, 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 Frontier and American Airlines - these airlines can fly you to your destination from $100 and $157, respectively. These flights start at 34% 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?

$39 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and American Airlines, with prices starting from $43 and $79, respectively.

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 $1,848, our data shows the cheapest flight currently is $37. When looking at the most popular route, (Phoenix Sky Harbor Intl - San Diego), you can expect to pay $85 for that flight.

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: Japan Airlines (91%), Frontier (90%), British Airways (85%).

What are the most popular airlines that fly from Phoenix Sky Harbor Intl Airport to San Diego?

American Airlines, Alaska Airlines and Frontier are the most popular airlines when flying from Phoenix Sky Harbor Intl Airport to San Diego.

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

Saturday flights are generally found to be more expensive for flights from Phoenix Sky Harbor Intl Airport to San Diego. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Diego.

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

The best pricing can be found in the month of August. Prices to San Diego from Phoenix Sky Harbor Intl Airport average $122. You can even find prices in August for less than $122, as users have found deals to San Diego from as low as $37. The month of March appears to be one of the more expensive times to travel to San Diego from Phoenix Sky Harbor Intl Airport. Flying in the targeted month can save you up to 47%.

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.

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. 5 airlines have flights to San Diego from Phoenix Sky Harbor Intl on a regular basis.

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.

$39+ Flights from Phoenix Sky Harbor Intl Airport to San Diego

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to San Diego are usually found in August or February, booked 60 days in advance, depart on a Saturday or Tuesday and return on a Friday

Cheap flight deals from Sky Harbor Intl to San Diego

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$80 (Cheapflightsfares)
One-way from	$39 (FlightHub)
Popular in	March
Cheapest in	August
Average price	$181
Good round-trip deal	$107 or less
Good one-way deal	$63 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. 6% potential increase in price ($8 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($6 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 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 March 27, 2025.

Thu 4/102:34 pmPHX - SAN

1 stop10h 08mSpirit Airlines

Mon 4/146:15 amSAN - PHX

1 stop7h 13mSpirit Airlines

Deal found 3/26

$80

Tue 5/65:06 pmPHX - SAN

Nonstop1h 17mFrontier

Wed 5/77:18 pmSAN - PHX

Nonstop1h 30mFrontier

Deal found 3/25

$100

Mon 5/52:34 pmPHX - SAN

1 stop10h 08mMultiple Airlines

Wed 5/77:18 pmSAN - PHX

Nonstop1h 30mMultiple Airlines

Deal found 3/26

$105

Wed 4/237:15 amPHX - SAN

Nonstop1h 15mAmerican Airlines

Wed 4/307:30 pmSAN - PHX

Nonstop1h 25mAmerican Airlines

Deal found 3/26

$157

Wed 5/73:41 pmPHX - SAN

1 stop6h 39mDelta

Fri 5/97:18 pmSAN - PHX

1 stop4h 31mDelta

Deal found 3/26

$177

Best flights from Sky Harbor Intl to San Diego
Discover carefully curated flight deals from Sky Harbor Intl to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 27, 2025.

Thu 4/102:34 pmPHX - SAN

1 stop10h 08mSpirit Airlines

Mon 4/146:15 amSAN - PHX

1 stop7h 13mSpirit Airlines

Deal found 3/26

$80

Tue 5/65:06 pmPHX - SAN

Nonstop1h 17mFrontier

Wed 5/77:18 pmSAN - PHX

Nonstop1h 30mFrontier

Deal found 3/25

$100

Thu 4/172:34 pmPHX - SAN

1 stop10h 08mMultiple Airlines

Tue 4/227:18 pmSAN - PHX

Nonstop1h 32mMultiple Airlines

Deal found 3/25

$103

Wed 4/237:15 amPHX - SAN

Nonstop1h 15mAmerican Airlines

Wed 4/307:30 pmSAN - PHX

Nonstop1h 25mAmerican Airlines

Deal found 3/26

$157

Wed 5/73:41 pmPHX - SAN

1 stop6h 39mDelta

Fri 5/97:18 pmSAN - PHX

1 stop4h 31mDelta

Deal found 3/26

$177

Mon 5/267:35 amPHX - SAN

1 stop4h 15mSouthwest

Mon 5/265:35 pmSAN - PHX

1 stop4h 05mSouthwest

Deal found 3/26

$278

Last-minute flights from Sky Harbor Intl to San Diego
Discover last-minute flight deals from Sky Harbor Intl to San Diego. Data last updated March 27, 2025 and is based on user searches.

Mon 3/3110:40 amPHX - SAN

Nonstop1h 25mAmerican Airlines

Mon 3/317:30 pmSAN - PHX

Nonstop1h 28mAmerican Airlines

Deal found 3/25

$581

Wed 4/24:02 pmPHX - SAN

1 stop7h 49mSpirit Airlines

Mon 4/146:15 amSAN - PHX

1 stop7h 13mSpirit Airlines

Deal found 3/26

$103

Wed 4/24:02 pmPHX - SAN

1 stop7h 49mMultiple Airlines

Wed 4/1610:10 amSAN - PHX

Nonstop1h 33mMultiple Airlines

Deal found 3/26

$113

Thu 4/36:20 amPHX - SAN

1 stop3h 51mDelta

Thu 4/176:15 pmSAN - PHX

1 stop4h 43mDelta

Deal found 3/26

$365

Thu 4/310:35 amPHX - SAN

1 stop3h 15mSouthwest

Mon 4/146:30 amSAN - PHX

2 stops11h 25mSouthwest

Deal found 3/26

$402

Fri 4/46:26 amPHX - SAN

Nonstop1h 19mFrontier

Thu 4/179:10 amSAN - PHX

Nonstop1h 24mFrontier

Deal found 3/26

$139

Fri 4/46:00 amPHX - SAN

1 stop3h 30mUnited Airlines

Wed 4/161:43 pmSAN - PHX

1 stop7h 34mUnited Airlines

Deal found 3/26

$375

Fri 4/410:40 amPHX - SAN

Nonstop1h 21mAlaska Airlines

Sun 4/64:30 pmSAN - PHX

Nonstop1h 28mAlaska Airlines

Deal found 3/25

$473

Wed 4/97:50 amPHX - SAN

Nonstop1h 19mMultiple Airlines

Thu 4/108:29 amSAN - PHX

1 stop4h 59mMultiple Airlines

Deal found 3/26

$105

Thu 4/102:34 pmPHX - SAN

1 stop10h 08mSpirit Airlines

Mon 4/146:15 amSAN - PHX

1 stop7h 13mSpirit Airlines

Deal found 3/26

$80

Thu 4/177:00 amPHX - SAN

Nonstop1h 19mFrontier

Tue 4/227:18 pmSAN - PHX

Nonstop1h 32mFrontier

Deal found 3/26

$109

Wed 4/237:15 amPHX - SAN

Nonstop1h 15mAmerican Airlines

Wed 4/307:30 pmSAN - PHX

Nonstop1h 25mAmerican Airlines

Deal found 3/26

$157

One-way flights from Sky Harbor Intl to San Diego
Search for one-way flight options from Sky Harbor Intl to San Diego. Find affordable one-way fares based on user searches. Data last updated March 27, 2025.

Mon 5/129:19 amPHX - SAN

1 stop10h 34mSpirit Airlines

Deal found 3/26

$39

Tue 4/295:06 pmPHX - SAN

Nonstop1h 22mFrontier

Deal found 3/25

$43

Wed 4/232:09 pmPHX - SAN

Nonstop1h 13mAmerican Airlines

Deal found 3/25

$79

Sat 5/107:49 pmPHX - SAN

1 stop3h 22mDelta

Deal found 3/25

$89

Thu 6/126:50 pmPHX - SAN

1 stop4h 51mUnited Airlines

Deal found 3/25

$99

Mon 5/197:22 pmPHX - SAN

2 stops28h 31mMultiple Airlines

Deal found 3/25

$164

Sat 6/73:43 pmPHX - SAN

2 stops15h 56mAlaska Airlines

Deal found 3/26

$180

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Thu 4/10

2:34 pm-12:42 am

1 stop10h 08m

San Diego

Mon 4/14

6:15 am-1:28 pm

1 stop7h 13m

$80

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Tue 5/6

5:06 pm-6:23 pm

Nonstop1h 17m

San Diego

Wed 5/7

7:18 pm-8:48 pm

Nonstop1h 30m

$100

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Thu 4/17

2:34 pm-12:42 am

1 stop10h 08m

San Diego

Tue 4/22

7:18 pm-8:50 pm

Nonstop1h 32m

$103

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Wed 4/23

7:15 am-8:30 am

Nonstop1h 15m

San Diego

Wed 4/30

7:30 pm-8:55 pm

Nonstop1h 25m

$157

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Wed 5/7

5:25 pm-11:53 pm

1 stop6h 28m

San Diego

Sun 5/11

6:15 am-12:11 pm

1 stop5h 56m

$177

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Mon 5/26

7:35 am-11:50 am

1 stop4h 15m

San Diego

Mon 5/26

5:35 pm-9:40 pm

1 stop4h 05m

$278

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Mon 5/5

2:34 pm-12:42 am

1 stop10h 08m

$39

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Tue 5/27

3:05 pm-4:22 pm

Nonstop1h 17m

$50

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Sat 5/10

6:00 am-12:04 pm

1 stop6h 04m

$89

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Sat 4/19

2:24 pm-3:38 pm

Nonstop1h 14m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 14 results

Compare providers for flights from Sky Harbor Intl to San Diego

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 March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
CheapOair	Price Accuracy1 star	Trust Score*3 stars
Kiwi.com	Price Accuracy3 stars	Trust Score*2 stars
Cheapfaremart	Price Accuracy-	Trust Score*3 stars
Trip.com	Price Accuracy1 star	Trust Score*3 stars
Justfly.com	Price Accuracy3 stars	Trust Score*3 stars
CheapTicketsDeal	Price Accuracy3 stars	Trust 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.

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

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 offers short security lines with wait times often under 10 minutes. Check live wait times online to choose the shortest lane.

SAN

SAN is just three miles from downtown. Consider using the free San Diego Flyer shuttle to reach the Old Town Transit Center.

Our travel experts

Blane Bachelor

Expert on SAN

Brandon Schultz

Expert on PHX

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?

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 60 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?

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 morning, which can drop the price by up to 49% versus a flight in the evening.

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

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

Weekly flight availability from Phoenix Sky Harbor Intl Airport to San Diego

The most flights from PHX to SAN are scheduled on a Thursday (25 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in San Diego by month

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from Phoenix to San Diego. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

10.0

Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Southwest

8.1

Very good

4,273 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

10.0

Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Alaska Airlines

8.0

Very good

9,795 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

10.0

Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Delta

8.0

Very good

7,895 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

10.0

Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

United Airlines

7.4

Good

8,603 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

10.0

Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

American Airlines

7.2

Good

10,000 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

10.0

Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Related info for your journey

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. 5 airlines have flights to San Diego from Phoenix Sky Harbor Intl on a regular basis.
What are the cheapest airlines flying from Phoenix Sky Harbor Intl Airport to San Diego round-trip?
Currently priced at $80, 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 Frontier and American Airlines - these airlines can fly you to your destination from $100 and $157, respectively. These flights start at 34% 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?
$39 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and American Airlines, with prices starting from $43 and $79, 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: Japan Airlines (91%), Frontier (90%), British Airways (85%).
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 $1,848, our data shows the cheapest flight currently is $37. When looking at the most popular route, (Phoenix Sky Harbor Intl - San Diego), you can expect to pay $85 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

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Other flights to San Diego

Top 5 airlines flying from Sky Harbor Intl to San Diego

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$38	Average$100	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$67	Average$133	FlexibilityNo cancel fee	On-time65%
Southwest	Cheapest$117	Average$252	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$119	Average$263	FlexibilityNo cancel fee	On-time71%
Alaska Airlines	Cheapest$265	Average$572	FlexibilityNo cancel fee	On-time75%

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$39+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sky Harbor Intl to San Diego with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to San Diego are usually found in August or February, booked 60 days in advance, depart on a Saturday or Tuesday and return on a Friday

Cheap flight deals from Sky Harbor Intl to San Diego

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Sky Harbor Intl to San Diego

Cheapest flights from Sky Harbor Intl to San DiegoExplore 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 March 27, 2025.

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 March 27, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to San Diego that are best for you.

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 March.

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

Cheapflights partnered with top experts to bring you the best recommendations for your Phoenix Sky Harbor Intl Airport to San Diego trip

Airports

PHX

SAN

Our travel experts

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.

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 March 21, 2025.

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

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 March 27, 2025.

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 March 23, 2025.

Weekly flight availability from Phoenix Sky Harbor Intl Airport to San Diego

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

Reviews of airlines servicing San Diego

Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from Phoenix to San Diego. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

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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 March 27, 2025.