Question 1

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

Accepted Answer

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

Question 2

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

Accepted Answer

Over the last year, American Airlines have had the lowest number of delays on this route, with just 19% of flights being delayed.

Question 3

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

Accepted Answer

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

Question 4

How often are flights from Phoenix to San Diego delayed?

Accepted Answer

About 22% of weekly flights between Phoenix and San Diego have experienced delays in the past year, with the average delay time being 106 minutes.

Question 5

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

Accepted Answer

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 Alaska Airlines and Southwest, with the lowest prices starting at $96 and $97, respectively. These flights start at 74% lower than the current average price 3 months from now.

Question 6

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

Accepted Answer

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $23. JetBlue flights start at $37 while deals on Hawaiian Airlines start at $38 one-way.

Question 7

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

Accepted Answer

To ensure you get the cheapest price possible for a flight from Phoenix to San Diego, you should look to book at least 24 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.

Question 8

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

Accepted Answer

Currently, October is the cheapest month in which you can book a flight from Phoenix to San Diego (average of $117). Flying from Phoenix to San Diego in June is currently the most expensive (average of $214). 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.

Question 9

What is the cheapest day to fly from Phoenix to San Diego?

Accepted Answer

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

Question 10

Weekly flight availability from Phoenix to San Diego

Accepted Answer

The most flights from PH1 to SAN are scheduled on a Monday (24 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 on average).

Question 11

E

Accepted Answer

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.

Question 12

E

Accepted Answer

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).

Question 13

What are the cheapest flights from Phoenix to San Diego?

Accepted Answer

The cheapest flight price from Phoenix to San Diego is $48. On average you can expect to pay $1,872. The most popular route, (Phoenix Sky Harbor Intl - San Diego), can usually be booked for $80.

Question 14

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

Accepted Answer

Before booking your flight to San Diego from Phoenix, check out the most reliable airlines to get you to your destination on time: Frontier (84%), Volaris (84%), Horizon Air( 80%).

Question 15

What are the most popular airlines that fly from Phoenix to San Diego?

Accepted Answer

The most popular airlines flying from Phoenix to San Diego are Frontier, Southwest and American Airlines. Something to consider prior to booking your flight.

Question 16

What is the cheapest time of day to fly from PHX to SAN?

Accepted Answer

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 at noon, which can drop the price by up to 36% versus a flight in the afternoon.

Question 17

What airport do you fly into for flights to San Diego from Phoenix?

Accepted Answer

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 19 daily inbound flights from Phoenix from 5 different airlines.

Question 18

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

Accepted Answer

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

Question 19

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

Accepted Answer

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.

Question 20

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

Accepted Answer

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.

Popular in	June
Cheapest in	October
Average price	$178

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$41	Average$126	FlexibilityNo cancel fee	On-time62%
Alaska Airlines	Cheapest$96	Average$206	FlexibilityNo cancel fee	On-time75%
Southwest	Cheapest$97	Average$205	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$105	Average$222	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$273	Average$355	FlexibilityNo cancel fee	On-time69%

Cheap flights from Phoenix to San Diego (SAN)

Find cheap flights from Phoenix to San Diego with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Phoenix to San Diego

Popular in

Cheapest in

Average price

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.

Cheapflights Insights

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

To ensure you get the cheapest price possible for a flight from Phoenix to San Diego, you should look to book at least 24 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?

What is the cheapest time of day to fly from PHX to SAN?

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 at noon, which can drop the price by up to 36% versus a flight in the afternoon.

What is the cheapest day to fly from Phoenix to San Diego?

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

Weekly flight availability from Phoenix to San Diego

The most flights from PH1 to SAN are scheduled on a Monday (24 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 on average).

How often are flights from Phoenix to San Diego delayed?

About 22% of weekly flights between Phoenix and San Diego have experienced delays in the past year, with the average delay time being 106 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 Thursday 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 19% of flights being delayed.

Reviews of airlines servicing San Diego

Read reviews from past customers who have flown Southwest,Alaska Airlines, andAmerican 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.

Related info for your journey

What airport do you fly into for flights to San Diego from Phoenix?

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

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

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

What are the cheapest flights from Phoenix to San Diego?

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

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

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

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

Traveling to a place near San Diego?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Phoenix to San Diego

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to San Diego by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Phoenix to San Diego by cabin class

Find flights from Phoenix to San Diego, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Phoenix and San Diego flights

Browse other Phoenix and San Diego flight options. Last updated on September 23, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Other flights to San Diego

Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 23, 2026.

Top 5 airlines flying from Phoenix to San Diego

100% Free

Book with Flexibility

Travel Smart