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Luis Munoz Marin Intl

$90+ Cheap flights from Gilbert, AZ to Luis Munoz Marin Intl (SJU)

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SJU
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Gilbert to San Juan Luis Munoz Marin Intl are usually found in April or May, booked 53 days in advance, depart on a Monday or Tuesday and return on a Sunday

Cheap flight deals from Gilbert to Luis Munoz Marin Intl

Cheapest flights from Gilbert to Luis Munoz Marin Intl
Explore the most affordable flight options available from Gilbert to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Orbitz deal was found by Cheapflights users on 12/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:15 pmPHX - SJU
1 stop28h 15mFrontier
Sun 1/117:35 amSJU - PHX
1 stop10h 38mFrontier
Deal found 12/16$352
This Frontier deal was found by Cheapflights users on 12/17. 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.
Sat 12/2012:59 amPHX - SJU
1 stop9h 35mFrontier
Thu 12/2510:33 amSJU - PHX
1 stop16h 16mFrontier
Deal found 12/17$355
This Frontier deal was found by Cheapflights users on 12/15. 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.
Tue 12/2312:59 amPHX - SJU
1 stop12h 00mFrontier
Wed 12/315:09 pmSJU - PHX
1 stop9h 40mFrontier
Deal found 12/15$359
This Priceline deal was found by Cheapflights users on 12/15. 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.
Sat 12/276:19 pmPHX - SJU
1 stop28h 05mFrontier
Sun 12/283:55 amSJU - PHX
1 stop22h 54mFrontier
Deal found 12/15$364
This Frontier deal was found by Cheapflights users on 12/15. 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.
Wed 12/1712:59 amPHX - SJU
1 stop9h 35mFrontier
Sun 12/214:09 pmSJU - PHX
1 stop10h 42mFrontier
Deal found 12/15$369
This Frontier deal was found by Cheapflights users on 12/15. 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.
Wed 12/2412:59 amPHX - SJU
1 stop9h 35mFrontier
Mon 12/295:09 pmSJU - PHX
1 stop9h 40mFrontier
Deal found 12/15$370
This Frontier deal was found by Cheapflights users on 12/16. 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.
Thu 12/1812:59 amPHX - SJU
1 stop12h 00mFrontier
Mon 12/2210:33 amSJU - PHX
1 stop16h 16mFrontier
Deal found 12/16$373
This Priceline deal was found by Cheapflights users on 12/16. 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 12/181:52 pmPHX - SJU
1 stop13h 42mFrontier
Tue 12/239:37 pmSJU - PHX
1 stop29h 12mFrontier
Deal found 12/16$384
This Priceline deal was found by Cheapflights users on 12/15. 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 12/196:15 pmPHX - SJU
1 stop28h 15mFrontier
Sun 12/212:44 pmSJU - PHX
1 stop29h 35mFrontier
Deal found 12/15$389
This Frontier deal was found by Cheapflights users on 12/16. 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.
Wed 12/2412:59 amPHX - SJU
1 stop12h 00mFrontier
Tue 12/305:09 pmSJU - PHX
1 stop9h 40mFrontier
Deal found 12/16$390
This Frontier deal was found by Cheapflights users on 12/15. 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.
Tue 12/2312:59 amPHX - SJU
1 stop12h 00mFrontier
Mon 12/295:09 pmSJU - PHX
1 stop9h 40mFrontier
Deal found 12/15$394

Find flight deals from Gilbert to Luis Munoz Marin Intl

Keep the following information in mind while searching for Gilbert to Luis Munoz Marin Intl flight deals. Data was last updated December 18, 2025.

Round-trip from

$350
(Frontier)

One-way from

$90
(Frontier)

Popular in

December

Cheapest in

April

Average price

$559
From Gilbert to San Juan Luis Munoz Marin Intl
Search Deals
One-way flight from Gilbert to San Juan Luis Munoz Marin Intl
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Gilbert to Luis Munoz Marin Intl 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 December 18, 2025.
Use the filters below to find and compare flights from Gilbert to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Gilbert

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Sat 1/17

11:25 am-12:10 am

2 stops9h 45m

San Juan Luis Munoz Marin Intl

Sat 1/24

5:30 am-2:05 pm

2 stops11h 35m

$418

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Fri 4/24

12:50 pm-8:55 am

2 stops17h 05m

San Juan Luis Munoz Marin Intl

Tue 4/28

5:35 am-1:05 pm

2 stops10h 30m

$440

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Wed 2/25

9:05 am-12:35 am

2 stops12h 30m

San Juan Luis Munoz Marin Intl

Wed 3/4

5:40 am-4:25 pm

2 stops13h 45m

$445

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Fri 1/30

11:40 am-2:25 am

1 stop11h 45m

San Juan Luis Munoz Marin Intl

Mon 2/2

6:01 am-12:15 pm

1 stop9h 14m

$456

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Fri 1/23

11:40 am-12:35 am

2 stops9h 55m

San Juan Luis Munoz Marin Intl

Sat 1/31

5:30 am-2:05 pm

2 stops11h 35m

$470

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Mon 1/5

9:35 am-1:25 am

2 stops12h 50m

San Juan Luis Munoz Marin Intl

Tue 1/13

5:40 am-4:25 pm

2 stops13h 45m

$475

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Thu 2/5

11:40 am-2:24 am

1 stop11h 44m

San Juan Luis Munoz Marin Intl

Sat 2/7

6:00 am-12:15 pm

1 stop9h 15m

$486

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Wed 1/14

8:30 am-10:22 pm

1 stop10h 52m

San Juan Luis Munoz Marin Intl

Tue 1/20

7:45 am-4:53 pm

1 stop12h 08m

$490

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Thu 1/8

9:05 am-12:35 am

2 stops12h 30m

San Juan Luis Munoz Marin Intl

Tue 1/13

5:40 am-4:25 pm

2 stops13h 45m

$490

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Mon 12/29

10:28 pm-2:17 pm

1 stop12h 49m

San Juan Luis Munoz Marin Intl

Sat 1/10

6:01 am-12:07 pm

1 stop9h 06m

$503

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 22 results
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Best time to book a flight from Gilbert to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl 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 Luis Munoz Marin Intl Airport

How far ahead should I book a flight from Gilbert to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Gilbert to Luis Munoz Marin Intl. Price data was last updated on December 12, 2025.

Booking 37 days in advance of your planned departure date is, on average, the best time to get cheap flights from Gilbert to San Juan Luis Munoz Marin Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Gilbert to San Juan Luis Munoz Marin Intl Airport?

Currently, June is the cheapest month in which you can book a flight from Gilbert to San Juan Luis Munoz Marin Intl Airport (average of $128). Flying from Gilbert to San Juan Luis Munoz Marin Intl Airport in September is currently the most expensive (average of $297). 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 Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

It’s optimal to fly from Gilbert to San Juan Luis Munoz Marin Intl Airport in the evening. By choosing this option you can save up to 8% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Gilbert to San Juan Luis Munoz Marin Intl Airport?

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

Travelers seeking maximum savings on their Gilbert to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Sunday 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 Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl. Reviews last updated December 18, 2025.
Read through reviews of airlines operating flights from Gilbert to San Juan Luis Munoz Marin Intl Airport, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,005 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,091 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,054 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.8
Fair
3,081 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

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

  • How long is the flight from Gilbert to San Juan Luis Munoz Marin Intl Airport?

    Airlines like Southwest and JetBlue fly from Gilbert to San Juan Luis Munoz Marin Intl Airport in about 9h 45m. The time it takes to get you to your destination can typically vary by up to 2h. There are 3010 mi between Gilbert and San Juan Luis Munoz Marin Intl Airport. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Gilbert to San Juan Luis Munoz Marin Intl Airport one-way?

    $85 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and JetBlue, with prices starting from $121 and $154, respectively.

  • Can I find deals for flights from Gilbert to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on Gilbert to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Gilbert to Luis Munoz Marin Intl?

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

  • Can I find deals for business class flights from Gilbert to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from Gilbert to Luis Munoz Marin Intl 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 Luis Munoz Marin Intl Airport?

    Currently, June is the cheapest month in which you can book a flight from Gilbert to San Juan Luis Munoz Marin Intl Airport (average of $128). Flying from Gilbert to San Juan Luis Munoz Marin Intl Airport in September is currently the most expensive (average of $297). 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 San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Dorado
Fajardo
Rio Grande
Humacao
Luquillo
Bayamón

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Gilbert to Luis Munoz Marin Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Gilbert to Luis Munoz Marin Intl

Discover the top 7 airlines that operate flights from Gilbert to Luis Munoz Marin Intl. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$149Average$351FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$170Average$383FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$236Average$392FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$265Average$562FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$265Average$561FlexibilityNo cancel feeOn-time71%
DeltaCheapest$364Average$488FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$442Average$648FlexibilityNo cancel feeOn-time63%

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