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

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

What airlines fly to San Diego?

Frontier, Southwest and American Airlines are the top three most popular airlines that fly to San Diego from Phoenix Sky Harbor Intl Airport according to our data. Frontier is the first choice among our users, with 56% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 6 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

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

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

How often are flights from Phoenix to San Diego delayed?

Historically, on average around 15% of flights between Phoenix and San Diego have experienced a delay on any given week. The average delay length over the past 12 months has been 108 minutes.

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

According to our data, Alaska Airlines have had the least number of delays on this route over the last 12 months; with about 10% of their flights experiencing any sort of delay.

What is the cheapest airline that flies from Phoenix Sky Harbor Intl to San Diego?

Frontier, Southwest, and Alaska Airlines are the most popular carriers operating from Phoenix Sky Harbor Intl to San Diego

How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to San Diego Airport?

As of December 2025, there are 6 operators available to choose from for flights from Phoenix Sky Harbor Intl Airport to San Diego Airport.

How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to San Diego Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Phoenix Sky Harbor Intl Airport to San Diego Airport.

What documentation or ID do you need to fly to San Diego Airport?

The required travel and health documents for your San Diego Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$29 Cheap Flights from Phoenix Sky Harbor Intl Airport to San Diego in 2025/26

Q: How many flights depart from Phoenix Sky Harbor Intl Airport to San Diego on average per week?

As of December 2025, 168 flights take off from Phoenix Sky Harbor Intl Airport and land in San Diego each week. The most common flight departure day for this route is Thu, with 18% of weekly flights taking off on this day.

Q: How many flights depart from Phoenix Sky Harbor Intl Airport to San Diego on average per day?

24 flights are operational daily from Phoenix Sky Harbor Intl Airport to San Diego as of December 2025. The most popular departure time for this route is 3:00PM, with 49% of flights per day taking off at noon.

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Find the cheapest flights from Phoenix Sky Harbor Intl Airport to San Diego

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9:36 am - 9:57 am

PHX

SAN

1h 21mnonstop

2:46 pm - 5:15 pm

SAN

PHX

1h 29mnonstop

$59Frontier

Fri, Jan 9 - Sat, Jan 10

9:36 am - 9:57 am

PHX

SAN

1h 21mnonstop

9:14 pm - 11:40 pm

SAN

PHX

1h 26mnonstop

$63Frontier

Tue, Dec 30 - Thu, Jan 1

9:36 am - 9:57 am

PHX

SAN

1h 21mnonstop

9:14 pm - 11:40 pm

SAN

PHX

1h 26mnonstop

$64Frontier

Wed, Dec 24 - Tue, Dec 30

5:30 pm - 5:55 pm

PHX

SAN

1h 25mnonstop

8:20 pm - 10:53 pm

SAN

PHX

1h 33mnonstop

$66Frontier

Thu, Feb 12 - Mon, Feb 16

11:47 am - 12:08 pm

PHX

SAN

1h 21mnonstop

9:43 am - 4:24 pm

SAN

PHX

5h 41m1 stop

$67Frontier

Tue, Jan 6 - Wed, Jan 7

9:39 am - 10:08 am

PHX

SAN

1h 29mnonstop

11:08 am - 1:38 pm

SAN

PHX

1h 30mnonstop

$72Frontier

Fri, Jan 16 - Mon, Jan 19

9:52 am - 10:13 am

PHX

SAN

1h 21mnonstop

9:14 pm - 11:40 pm

SAN

PHX

1h 26mnonstop

$75Frontier

Sun, Dec 28 - Tue, Dec 30

7:12 pm - 7:35 pm

PHX

SAN

1h 23mnonstop

8:20 pm - 10:53 pm

SAN

PHX

1h 33mnonstop

$76Frontier

Fri, Feb 13 - Mon, Feb 16

9:36 am - 9:57 am

PHX

SAN

1h 21mnonstop

8:59 pm - 11:28 pm

SAN

PHX

1h 29mnonstop

$77Frontier

Thu, Jan 1 - Sun, Jan 4

9:36 am - 9:57 am

PHX

SAN

1h 21mnonstop

9:14 pm - 11:40 pm

SAN

PHX

1h 26mnonstop

$78Frontier

Wed, Dec 31 - Thu, Jan 1

Frontier flights from Phoenix Sky Harbor Intl Airport to San Diego

Our best Frontier deals on Phoenix Sky Harbor Intl Airport to San Diego flight tickets

Frontier

Jan 9

PHX9:36 amPhoenix Sky Harbor Intl

1h 21m

SAN9:57 amSan Diego

Jan 10

SAN2:46 pmSan Diego

1h 29m

PHX5:15 pmPhoenix Sky Harbor Intl

$59

Find similar

Frontier

Dec 30

PHX9:36 amPhoenix Sky Harbor Intl

1h 21m

SAN9:57 amSan Diego

Jan 1

SAN9:14 pmSan Diego

1h 26m

PHX11:40 pmPhoenix Sky Harbor Intl

$63

Find similar

Frontier

Dec 24

PHX9:36 amPhoenix Sky Harbor Intl

1h 21m

SAN9:57 amSan Diego

Dec 30

SAN9:14 pmSan Diego

1h 26m

PHX11:40 pmPhoenix Sky Harbor Intl

$64

Find similar

Southwest flights from Phoenix Sky Harbor Intl Airport to San Diego

Our best Southwest deals on Phoenix Sky Harbor Intl Airport to San Diego flight tickets

Southwest

Jan 7

PHX8:55 amPhoenix Sky Harbor Intl

1h 20m

SAN9:15 amSan Diego

Jan 14

SAN8:20 amSan Diego

1h 25m

PHX10:45 amPhoenix Sky Harbor Intl

$97

Find similar

Southwest

Jan 13

PHX6:30 amPhoenix Sky Harbor Intl

5h 00m

1 stop

SAN10:30 amSan Diego

Jan 13

SAN4:05 pmSan Diego

1h 25m

PHX6:30 pmPhoenix Sky Harbor Intl

$107

Find similar

momondo 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

Fri 1/9

9:36 am-9:57 am

Nonstop1h 21m

San Diego

Sat 1/10

2:46 pm-5:15 pm

Nonstop1h 29m

$59

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Tue 12/30

9:36 am-9:57 am

Nonstop1h 21m

San Diego

Thu 1/1

9:14 pm-11:40 pm

Nonstop1h 26m

$63

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Wed 12/24

9:36 am-9:57 am

Nonstop1h 21m

San Diego

Tue 12/30

9:14 pm-11:40 pm

Nonstop1h 26m

$64

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Thu 2/12

5:30 pm-5:55 pm

Nonstop1h 25m

San Diego

Mon 2/16

8:20 pm-10:53 pm

Nonstop1h 33m

$66

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Tue 1/6

11:47 am-12:08 pm

Nonstop1h 21m

San Diego

Wed 1/7

9:43 am-4:24 pm

1 stop5h 41m

$67

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Fri 1/16

9:39 am-10:08 am

Nonstop1h 29m

San Diego

Mon 1/19

11:08 am-1:38 pm

Nonstop1h 30m

$72

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Sun 12/28

9:52 am-10:13 am

Nonstop1h 21m

San Diego

Tue 12/30

9:14 pm-11:40 pm

Nonstop1h 26m

$75

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Fri 2/13

7:12 pm-7:35 pm

Nonstop1h 23m

San Diego

Mon 2/16

8:20 pm-10:53 pm

Nonstop1h 33m

$76

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Thu 1/1

9:36 am-9:57 am

Nonstop1h 21m

San Diego

Sun 1/4

8:59 pm-11:28 pm

Nonstop1h 29m

$77

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Wed 12/31

9:36 am-9:57 am

Nonstop1h 21m

San Diego

Thu 1/1

9:14 pm-11:40 pm

Nonstop1h 26m

$78

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Phoenix Sky Harbor Intl Airport to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of October, then departing from Phoenix Sky Harbor Intl Airport during the month February is also very affordable. Most momondo users find prices during this month for around $108.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Phoenix Sky Harbor Intl Airport to San Diego is on a Friday. Travelers who choose to depart for San Diego on a Friday will often find tickets for as low as $150. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $200. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the afternoon when flights can be purchased for as low as $152. Flights in the evening are often more expensive with an average ticket price of $237.

What is the cheapest Phoenix Sky Harbor Intl to San Diego flight route?

Fly from Phoenix Sky Harbor Intl to San Diego for the best Phoenix Sky Harbor Intl - San Diego flight prices

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from Phoenix Sky Harbor Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $136 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Phoenix Sky Harbor Intl Airport for as low as $99 on momondo.

What cabin class options are available on Phoenix Sky Harbor Intl to San Diego flights?

There are 4 cabin classes available to choose from on Phoenix Sky Harbor Intl to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Phoenix Sky Harbor Intl Airport to San Diego flight prices changed over time?

As of December 2025, prices for Phoenix Sky Harbor Intl Airport to San Diego flights are approximately 53% more expensive when compared to flights at the same time last year.

When to book flights from Phoenix Sky Harbor Intl Airport to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Phoenix Sky Harbor Intl Airport to San Diego according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Phoenix Sky Harbor Intl Airport to San Diego (PHX to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phoenix Sky Harbor Intl Airport to San Diego

Best Price Found	$69
Fastest flight time	1h 10m
Direct flights	Every day
Airports in San Diego	1 airport

The best one-way flight to San Diego from Phoenix Sky Harbor Intl Airport in the past 72 hours is $69. The best round-trip flight deal from Phoenix Sky Harbor Intl Airport to San Diego found on momondo in the last 72 hours is $106.

The fastest flight from Phoenix Sky Harbor Intl Airport to San Diego takes 1h 10m

Direct flights go from Phoenix Sky Harbor Intl Airport to San Diego every day.

There is 1 airport in San Diego. From Phoenix Sky Harbor Intl Airport there are direct flights to San Diego (SAN).

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How far is Phoenix Sky Harbor Intl to San Diego by plane?
A flight from Phoenix Sky Harbor Intl to San Diego will travel around 302.6 mi. In terms of flight time, this usually takes a little over 1h 10m.
When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to San Diego Airport?
Prices for flights from Phoenix Sky Harbor Intl Airport to San Diego Airport refresh daily.
How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to San Diego Airport?
As of December 2025, there are 6 operators available to choose from for flights from Phoenix Sky Harbor Intl Airport to San Diego Airport.
How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to San Diego Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Phoenix Sky Harbor Intl Airport to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The required travel and health documents for your San Diego Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Phoenix Sky Harbor Intl Airport to San Diego?
Based on momondo bookings for flights between Phoenix Sky Harbor Intl Airport and San Diego, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 16.67% of the total bookings. Other popular models include Airbus A320neo with 14.71%, Boeing 737-700 Passenger/BBJ1 (winglets) with 13.50%, and Airbus A321-100/200 with 12.34%.
What is the most popular airline from Phoenix Sky Harbor Intl Airport to San Diego?
momondo data reveals that the most frequently booked airline on the route from Phoenix Sky Harbor Intl Airport to San Diego is Frontier, representing 67% of all bookings. The subsequent popular airlines are Southwest at 14%, American Airlines at 12%, and Alaska Airlines at 5%.

Best airlines flying from Phoenix Sky Harbor Intl Airport to San Diego

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to San Diego with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $47	Free Cancellation	Rating 6.3 8,180 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $56	Free Cancellation	Rating 5.8 3,084 reviews	Search Frontier flights
Hawaiian Airlines	PriceFrom $58	Free Cancellation	Rating 7.8 2,817 reviews	Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $78	Free Cancellation	Rating 8.0 11,432 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $94	Free Cancellation	Rating 7.9 4,253 reviews	Search Southwest flights
American Airlines	PriceFrom $97	Free Cancellation	Rating 7.2 11,050 reviews	Search American Airlines flights

Alaska Airlines Flights From Phoenix Sky Harbor Intl Airport to San Diego
Alaska Airlines is one of the most popular airlines flying from Phoenix Sky Harbor Intl Airport to San Diego, operating 28 flights/week on average for this route. A good Alaska Airlines flight deal for Phoenix Sky Harbor Intl Airport to San Diego starts from $78 round-trip, up to an average price of $146. Our users have rated Alaska Airlines at 8.0/10.
Southwest Flights From Phoenix Sky Harbor Intl Airport to San Diego
The best Southwest deal for Phoenix Sky Harbor Intl Airport to San Diego flight tickets found on momondo in the last 72 hours was $94, round-trip. It should be noted that an average Southwest flight deal for this route in this time was higher, at $210 round-trip. Southwest operates 38 flights out of Phoenix Sky Harbor Intl Airport into San Diego in an average week, so prices vary by time and availability. 4,253 Southwest reviews by users on momondo have scored the airline at 7.9/10.

Coronado

Chula Vista

El Cajon

Julian

National City

Imperial Beach

Poway

La Mesa

Borrego Springs

San Ysidro

Alpine

Lemon Grove

Santee

Why use momondo?

Why should I use momondo to find a flight deal from Phoenix to San Diego?

It is quick and easy to find Phoenix to San Diego flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Diego that suits you.

Can I find flights from Phoenix to San Diego with flexible booking policies on momondo?

All flight searches from Phoenix to San Diego on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Phoenix to San Diego?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Phoenix to San Diego.

I’m not ready to book a flight from Phoenix to San Diego right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Phoenix to San Diego flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Fly to other destinations from Phoenix Sky Harbor Intl Airport

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Cheap flights from Phoenix Sky Harbor Intl Airport to San Diego from $29

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

See travel insights to San Diego from

How to get the cheapest flight ticket from Phoenix Sky Harbor Intl Airport to San Diego

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of October, then departing from Phoenix Sky Harbor Intl Airport during the month February is also very affordable. Most momondo users find prices during this month for around $108.

What is the cheapest day to depart on your flight to San Diego?

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the afternoon when flights can be purchased for as low as $152. Flights in the evening are often more expensive with an average ticket price of $237.

What is the cheapest Phoenix Sky Harbor Intl to San Diego flight route?

Fly from Phoenix Sky Harbor Intl to San Diego for the best Phoenix Sky Harbor Intl - San Diego flight prices

How far in advance should I book a flight to San Diego?

What cabin class options are available on Phoenix Sky Harbor Intl to San Diego flights?

There are 4 cabin classes available to choose from on Phoenix Sky Harbor Intl to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Phoenix Sky Harbor Intl Airport to San Diego flight prices changed over time?

As of December 2025, prices for Phoenix Sky Harbor Intl Airport to San Diego flights are approximately 53% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Phoenix Sky Harbor Intl to San Diego?

Frontier, Southwest, and Alaska Airlines are the most popular carriers operating from Phoenix Sky Harbor Intl to San Diego

What airlines fly to San Diego?

How often are flights from Phoenix to San Diego delayed?

Historically, on average around 15% of flights between Phoenix and San Diego have experienced a delay on any given week. The average delay length over the past 12 months has been 108 minutes.

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

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

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

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

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

According to our data, Alaska Airlines have had the least number of delays on this route over the last 12 months; with about 10% of their flights experiencing any sort of delay.

How many flights depart from Phoenix Sky Harbor Intl Airport to San Diego on average per day?

24 flights are operational daily from Phoenix Sky Harbor Intl Airport to San Diego as of December 2025. The most popular departure time for this route is 3:00PM, with 49% of flights per day taking off at noon.

How many flights depart from Phoenix Sky Harbor Intl Airport to San Diego on average per week?

As of December 2025, 168 flights take off from Phoenix Sky Harbor Intl Airport and land in San Diego each week. The most common flight departure day for this route is Thu, with 18% of weekly flights taking off on this day.

When to book flights from Phoenix Sky Harbor Intl Airport to San Diego

Cheap Phoenix Sky Harbor Intl Airport to San Diego (PHX to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phoenix Sky Harbor Intl Airport to San Diego

Best Price Found

Fastest flight time

Direct flights

Airports in San Diego

How far is Phoenix Sky Harbor Intl to San Diego by plane?

When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to San Diego Airport?

How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to San Diego Airport?

How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to San Diego Airport?

What documentation or ID do you need to fly to San Diego Airport?

What is the most popular plane model from Phoenix Sky Harbor Intl Airport to San Diego?

What is the most popular airline from Phoenix Sky Harbor Intl Airport to San Diego?

Best airlines flying from Phoenix Sky Harbor Intl Airport to San Diego

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to San Diego with momondo

Alaska Airlines Flights From Phoenix Sky Harbor Intl Airport to San Diego

Southwest Flights From Phoenix Sky Harbor Intl Airport to San Diego

Traveling to a place near San Diego?

Why use momondo?

Why should I use momondo to find a flight deal from Phoenix to San Diego?

Can I find flights from Phoenix to San Diego with flexible booking policies on momondo?

How can momondo help me find flights from Phoenix to San Diego?

I’m not ready to book a flight from Phoenix to San Diego right now. Can momondo alert me if prices change?

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We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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Airports servicing California