HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Juan

$140+ Cheap flights from Gilbert, AZ to San Juan

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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SJU
Aug 10 — Aug 171
Sun 8/10
Sun 8/17
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Gilbert to San Juan with Cheapflights

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.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Gilbert to San Juan are usually found in September or January, booked 66 days in advance, depart on a Monday or Tuesday and return on a Sunday

Cheap flight deals from Gilbert to San Juan

Keep the following information in mind while searching for Gilbert to San Juan flight deals. Data was last updated August 5, 2025.

Round-trip from

$280
(FlightHub)

One-way from

$140
(Priceline)

Popular in

December

Cheapest in

September

Average price

$495
From Gilbert to San Juan
Search Deals
One-way flight from Gilbert to San Juan
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Gilbert to San Juan

Cheapest flights from Gilbert to San Juan
Explore the most affordable flight options available from Gilbert to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 5, 2025.

This FlightHub deal was found by Cheapflights users on 8/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1912:01 pmPHX - SJU
2 stops23h 10mSpirit Airlines
Sun 9/212:38 pmSJU - PHX
1 stop24h 45mSpirit Airlines
Deal found 8/4$280
This Cheapflightsfares deal was found by Cheapflights users on 8/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2610:59 pmPHX - SJU
2 stops12h 12mSpirit Airlines
Sun 10/52:48 pmSJU - PHX
1 stop10h 16mSpirit Airlines
Deal found 8/3$283
This Priceline deal was found by Cheapflights users on 8/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/85:27 pmPHX - SJU
1 stop30h 12mFrontier
Sat 8/161:43 pmSJU - PHX
1 stop29h 04mFrontier
Deal found 8/4$284
This Frontier deal was found by Cheapflights users on 8/3. 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.
Fri 8/84:56 pmPHX - SJU
1 stop16h 32mFrontier
Thu 8/146:00 amSJU - PHX
1 stop12h 47mFrontier
Deal found 8/3$288
This Priceline deal was found by Cheapflights users on 8/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/64:56 pmPHX - SJU
1 stop20h 11mFrontier
Thu 8/149:30 pmSJU - PHX
1 stop21h 46mFrontier
Deal found 8/3$289
This FlightHub deal was found by Cheapflights users on 8/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/114:56 pmPHX - SJU
1 stop16h 32mFrontier
Fri 8/153:34 amSJU - PHX
1 stop15h 42mFrontier
Deal found 8/4$290
This FlightHub deal was found by Cheapflights users on 8/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2410:42 pmPHX - SJU
2 stops13h 28mSpirit Airlines
Thu 9/42:38 pmSJU - PHX
1 stop24h 45mSpirit Airlines
Deal found 8/4$296
This Priceline deal was found by Cheapflights users on 8/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/511:59 pmPHX - SJU
1 stop30h 56mFrontier
Fri 12/123:55 amSJU - PHX
1 stop21h 59mFrontier
Deal found 8/3$299
This Priceline deal was found by Cheapflights users on 8/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/74:56 pmPHX - SJU
1 stop20h 11mFrontier
Sun 8/1710:04 amSJU - PHX
1 stop9h 12mFrontier
Deal found 8/3$304
This FlightHub deal was found by Cheapflights users on 8/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1611:51 pmPHX - SJU
1 stop21h 03mFrontier
Mon 10/204:42 pmSJU - PHX
1 stop9h 04mFrontier
Deal found 8/3$306

Cheapflights Fare Finder

 
Customize your flight search to find flights from Gilbert to San Juan 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 August 5, 2025.
Use the filters below to find and compare flights from Gilbert to San Juan that are best for you.

Fly from

Gilbert

Fly to

San Juan

Route

Depart

Return

Price

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Fri 9/19

12:01 pm-2:11 pm

2 stops23h 10m

San Juan Luis Munoz Marin Intl

Sun 9/21

2:38 pm-12:23 pm

1 stop24h 45m

$280

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Fri 9/26

10:59 pm-2:11 pm

2 stops12h 12m

San Juan Luis Munoz Marin Intl

Sun 10/5

2:48 pm-10:04 pm

1 stop10h 16m

$283

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Sun 8/24

10:42 pm-3:10 pm

2 stops13h 28m

San Juan Luis Munoz Marin Intl

Thu 9/4

2:38 pm-12:23 pm

1 stop24h 45m

$296

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Fri 12/5

11:59 pm-9:55 am

1 stop30h 56m

San Juan Luis Munoz Marin Intl

Fri 12/12

3:55 am-10:54 pm

1 stop21h 59m

$299

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Mon 12/15

11:59 pm-11:59 pm

1 stop21h 00m

San Juan Luis Munoz Marin Intl

Thu 12/18

11:05 am-10:54 pm

1 stop14h 49m

$304

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Thu 10/16

11:51 pm-11:54 pm

1 stop21h 03m

San Juan Luis Munoz Marin Intl

Mon 10/20

4:42 pm-10:46 pm

1 stop9h 04m

$306

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Sat 12/13

11:59 pm-2:50 am

1 stop23h 51m

San Juan Luis Munoz Marin Intl

Mon 12/15

11:05 am-10:54 pm

1 stop14h 49m

$316

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Sun 10/19

11:51 pm-11:54 pm

1 stop21h 03m

San Juan Luis Munoz Marin Intl

Sat 10/25

3:40 am-10:46 pm

1 stop22h 06m

$319

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Wed 8/13

4:56 pm-4:07 pm

1 stop20h 11m

$140

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Thu 10/30

10:59 pm-2:11 pm

2 stops12h 12m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/5

Showing 1-10 of 19 results
1
2

Best time to book a flight from Gilbert to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan 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 Juan

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

Use this chart to determine the optimal time to book a round-trip flight from Gilbert to San Juan. Price data was last updated on August 1, 2025.

The price you pay for your flight from Gilbert to San Juan may vary depending on when you book. For the best chance of a lower fare, look to book 66 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 Gilbert to San Juan?

Currently, September is the cheapest month in which you can book a flight from Gilbert to San Juan (average of $254). Flying from Gilbert to San Juan in June is currently the most expensive (average of $339). 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 SJU?

Find hourly flight availability from Gilbert to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 5, 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 Juan as you normally would.

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

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

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

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. 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 Juan. Reviews last updated August 5, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from Gilbert to San Juan 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

Entertainment

7.1

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Delta
8.0
Very good
7,987 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
United Airlines
7.4
Good
8,912 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

Related info for your journey

Find useful and relevant information for your journey from Gilbert to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Gilbert to San Juan (average of $254). Flying from Gilbert to San Juan in June is currently the most expensive (average of $339). 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

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.

Top 7 airlines flying from Gilbert to San Juan

Discover the top 7 airlines that operate flights from Gilbert to San Juan. 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 August 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$133Average$349FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$204Average$390FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$260Average$388FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$332Average$536FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$343Average$564FlexibilityNo cancel feeOn-time69%
DeltaCheapest$364Average$479FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$445Average$634FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.