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$52+ Cheap flights from Gilbert, AZ 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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SAN
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Gilbert to San Diego are usually found in August or February, booked 80 days in advance, depart on a Saturday or Tuesday and return on a Friday

Cheap flight deals from Gilbert to San Diego

Keep the following information in mind while searching for Gilbert to San Diego flight deals. Data was last updated July 3, 2025.

Round-trip from

$92
(Frontier)

One-way from

$52
(Priceline)

Popular in

June

Cheapest in

August

Average price

$126
From Gilbert to San Diego
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One-way flight from Gilbert to San Diego
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Highest demand for flights based on searches. 11% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Gilbert to San Diego

Cheapest flights from Gilbert to San Diego
Explore the most affordable flight options available from Gilbert to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Frontier deal was found by Cheapflights users on 7/3. 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 10/196:30 amPHX - SAN
Nonstop1h 21mFrontier
Sat 10/2510:09 amSAN - PHX
Nonstop1h 34mFrontier
Deal found 7/3$91
This Travelocity deal was found by Cheapflights users on 7/3. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/34:30 pmPHX - SAN
Nonstop1h 17mMultiple Airlines
Mon 9/82:31 pmSAN - PHX
Nonstop1h 28mMultiple Airlines
Deal found 7/3$102
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/36:00 amPHX - SAN
Nonstop1h 17mAlaska Airlines
Sat 9/68:59 pmSAN - PHX
Nonstop1h 27mAlaska Airlines
Deal found 7/3$117

Cheapflights Fare Finder

Customize your flight search to find flights from Gilbert 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 July 3, 2025.
Use the filters below to find and compare flights from Gilbert to San Diego that are best for you.

Fly from

Gilbert

Fly to

San Diego

Route

Depart

Return

Price

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Fri 7/11

3:46 pm-4:58 pm

Nonstop1h 12m

San Diego

Mon 7/14

1:12 pm-2:42 pm

Nonstop1h 30m

$92

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Wed 9/3

4:30 pm-5:47 pm

Nonstop1h 17m

San Diego

Mon 9/8

2:31 pm-3:59 pm

Nonstop1h 28m

$102

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Wed 9/3

6:00 am-7:17 am

Nonstop1h 17m

San Diego

Sat 9/6

8:59 pm-10:26 pm

Nonstop1h 27m

$117

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Fri 8/1

6:00 am-12:04 pm

1 stop6h 04m

$52

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Wed 9/3

4:30 pm-5:47 pm

Nonstop1h 17m

$59

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Mon 9/1

5:40 am-9:55 am

1 stop4h 15m

$68

PhoenixSan Diego

PHX - SAN

PHXSAN

Phoenix Sky Harbor Intl

Fri 9/19

5:20 pm-11:45 pm

1 stop6h 25m

$89

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Best time to book a flight from Gilbert to San Diego

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

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

Use this chart to determine the optimal time to book a round-trip flight from Gilbert to San Diego. Price data was last updated on June 27, 2025.

The best time to book flights from Gilbert to San Diego is 80 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Gilbert to San Diego (average of $286). Flying from Gilbert 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 G1L to SAN?

Find hourly flight availability from Gilbert 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 July 3, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Gilbert to San Diego as you normally would.

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

Use this chart to determine the cheapest time to fly round-trip from Gilbert to San Diego. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Gilbert to San Diego flight should consider departing on Saturday at noon 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.

Weekly flight availability from Gilbert to San Diego

Explore weekly flight availability from Gilbert 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 July 3, 2025.

The most flights from G1L to SAN are scheduled on a Thursday (28 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

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 July 3, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from Gilbert to San Diego to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Gilbert 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 Gilbert?

    Located just 2.6 mi from the city center, San Diego is the airport most travelers will use when flying to San Diego from Gilbert. Booking flights from Gilbert to San Diego (SAN) should be relatively easy as there are 10 daily inbound flights from Gilbert from 7 different airlines.

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

    One-way options have recently been found by users for as low as $52 on Frontier. Other airlines that offer cheap prices include Hawaiian Airlines from $59 and Southwest from $68 one-way.

  • What are the most reliable airlines from Gilbert 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 Gilbert to San Diego on time: Frontier (86%), Alaska Airlines (77%), American Airlines (76%).

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

    While on average a flight from Gilbert to San Diego is generally $1,832, our data shows the cheapest flight currently is $57. When looking at the most popular route, (Phoenix Sky Harbor Intl - San Diego), you can expect to pay $88 for that flight.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Gilbert to San Diego (average of $286). Flying from Gilbert 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

Traveling to a place near Gilbert?

Book flights to Gilbert if you plan to visit one of these locations
El Cajon
Chula Vista
Coronado
National City
Lemon Grove
Imperial Beach
La Mesa
Poway
Alpine
Santee

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Top 7 airlines flying from Gilbert to San Diego

Discover the top 7 airlines that operate flights from Gilbert 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$35Average$122FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$47Average$127FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$118Average$289FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$119Average$279FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$125Average$377FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$137Average$227FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$269Average$404FlexibilityNo cancel feeOn-time69%

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