HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Luis Munoz Marin Intl

$130+ Cheap flights from Sky Harbor Intl (PHX) 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SJU
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sky Harbor Intl to Luis Munoz Marin Intl 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 Phoenix Sky Harbor Intl to San Juan Luis Munoz Marin Intl are usually found in January or April, booked 66 days in advance, depart on a Monday or Tuesday and return on a Sunday

Cheap flight deals from Sky Harbor Intl to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) to Luis Munoz Marin Intl (SJU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2025.

Round-trip from

$276
(Frontier)

One-way from

$130
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$475
From Phoenix Sky Harbor Intl to San Juan Luis Munoz Marin Intl
Search Deals
One-way flight from Phoenix Sky Harbor Intl to San Juan Luis Munoz Marin Intl
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($2 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 September 2025
Search Deals

Find flight deals from Sky Harbor Intl to Luis Munoz Marin Intl

Cheapest flights from Sky Harbor Intl to Luis Munoz Marin Intl
Explore the most affordable flight options available from Sky Harbor Intl to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Frontier deal was found by Cheapflights users on 9/16. 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.
Tue 10/2110:59 pmPHX - SJU
1 stop10h 16mFrontier
Wed 10/299:00 amSJU - PHX
2 stops15h 58mFrontier
Deal found 9/16$276
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1510:59 pmPHX - SJU
1 stop13h 33mFrontier
Tue 10/213:40 amSJU - PHX
1 stop12h 37mFrontier
Deal found 9/15$284
This Priceline deal was found by Cheapflights users on 9/15. 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 12/511:59 pmPHX - SJU
1 stop30h 56mFrontier
Sun 12/73:55 amSJU - PHX
1 stop21h 59mFrontier
Deal found 9/15$288
This Frontier deal was found by Cheapflights users on 9/15. 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.
Fri 10/312:37 pmPHX - SJU
2 stops20h 24mFrontier
Tue 10/76:22 amSJU - PHX
2 stops15h 25mFrontier
Deal found 9/15$291
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1410:59 pmPHX - SJU
1 stop24h 31mFrontier
Mon 10/203:40 amSJU - PHX
1 stop12h 37mFrontier
Deal found 9/16$293
This Frontier deal was found by Cheapflights users on 9/16. 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.
Tue 10/710:59 pmPHX - SJU
1 stop10h 16mFrontier
Wed 10/156:22 amSJU - PHX
2 stops14h 59mFrontier
Deal found 9/16$295
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/911:30 pmPHX - SJU
1 stop17h 33mJetBlue
Tue 12/1611:34 amSJU - PHX
1 stop13h 25mJetBlue
Deal found 9/15$297
This Priceline deal was found by Cheapflights users on 9/15. 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.
Tue 10/1410:59 pmPHX - SJU
1 stop24h 31mFrontier
Mon 10/209:19 pmSJU - PHX
1 stop18h 58mFrontier
Deal found 9/15$301
This Frontier deal was found by Cheapflights users on 9/16. 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.
Sat 10/1811:00 pmPHX - SJU
1 stop13h 32mFrontier
Sun 10/263:40 amSJU - PHX
1 stop12h 37mFrontier
Deal found 9/16$304
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/251:10 pmPHX - SJU
1 stop22h 49mMultiple Airlines
Sat 11/17:30 amSJU - PHX
2 stops43h 57mMultiple Airlines
Deal found 9/17$305

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sky Harbor Intl 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 September 17, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Sky Harbor Intl

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Sat 12/6

9:30 am-11:00 pm

2 stops10h 30m

San Juan Luis Munoz Marin Intl

Wed 12/10

6:40 am-6:00 pm

2 stops14h 20m

$407

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Tue 2/24

7:00 am-6:25 pm

1 stop8h 25m

San Juan Luis Munoz Marin Intl

Tue 3/3

8:35 am-7:39 pm

2 stops14h 04m

$453

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Wed 12/3

11:30 pm-11:35 am

1 stop9h 05m

San Juan Luis Munoz Marin Intl

Wed 12/10

1:45 pm-10:44 pm

1 stop11h 59m

$477

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Fri 12/5

11:30 pm-10:35 am

1 stop8h 05m

San Juan Luis Munoz Marin Intl

Wed 12/10

1:45 pm-10:44 pm

1 stop11h 59m

$487

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Sun 3/1

11:40 pm-1:30 pm

1 stop10h 50m

San Juan Luis Munoz Marin Intl

Sat 3/7

6:40 pm-6:35 am

2 stops14h 55m

$525

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Mon 12/1

11:25 pm-2:36 pm

1 stop12h 11m

San Juan Luis Munoz Marin Intl

Sat 12/6

1:40 pm-9:59 pm

1 stop11h 19m

$528

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Wed 12/3

12:10 pm-12:35 am

2 stops9h 25m

San Juan Luis Munoz Marin Intl

Sun 12/7

5:40 am-2:05 pm

2 stops11h 25m

$535

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Sat 12/6

6:55 pm-12:57 pm

2 stops15h 02m

San Juan Luis Munoz Marin Intl

Sun 12/21

6:30 am-4:17 pm

1 stop12h 47m

$555

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Fri 1/16

4:31 pm-6:11 am

2 stops10h 40m

San Juan Luis Munoz Marin Intl

Mon 1/26

8:35 am-9:54 pm

2 stops16h 19m

$560

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Thu 2/19

8:38 am-10:22 pm

1 stop10h 44m

San Juan Luis Munoz Marin Intl

Tue 2/24

8:35 am-9:21 pm

2 stops15h 46m

$565

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 18 results
1
2

Best time to book a flight from Sky Harbor Intl to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Sky Harbor Intl 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 Phoenix Sky Harbor Intl Airport to San Juan Luis Munoz Marin Intl Airport

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

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

The price you pay for your flight from Phoenix Sky Harbor Intl Airport to San Juan Luis Munoz Marin Intl Airport 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 Phoenix Sky Harbor Intl Airport to San Juan Luis Munoz Marin Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Phoenix Sky Harbor Intl Airport to San Juan Luis Munoz Marin Intl Airport 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 PHX to SJU?

Find hourly flight availability from Sky Harbor Intl 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 September 17, 2025.

It’s optimal to fly from Phoenix Sky Harbor Intl Airport to San Juan Luis Munoz Marin Intl Airport at noon. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight in the afternoon.

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

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

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to San Juan Luis Munoz Marin Intl Airport 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 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 September 17, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Phoenix Sky Harbor Intl Airport to San Juan Luis Munoz Marin Intl Airport. 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.
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,961 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,926 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,173 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl 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 Phoenix Sky Harbor Intl Airport to San Juan Luis Munoz Marin Intl Airport?

    A quick flight from Phoenix Sky Harbor Intl Airport to San Juan Luis Munoz Marin Intl Airport can take about 8h 25m. Southwest provides one of the quickest options available for as low as $453. There are 3010 mi between Phoenix Sky Harbor Intl Airport and San Juan Luis Munoz Marin Intl Airport. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Phoenix Sky Harbor Intl Airport to San Juan Luis Munoz Marin Intl Airport round-trip?

    Our cheapest airline available from Phoenix Sky Harbor Intl Airport to San Juan Luis Munoz Marin Intl Airport is Frontier. Our recent data shows that you can find tickets from as low as $136 on this airline. Additional options worth looking into are Spirit Airlines and JetBlue, starting at $181 and $236 round-trip. Frontier is 71% cheaper than the average price of flights available within the next 90 days to this destination.

  • Where are the most common layover locations when flying from Phoenix Sky Harbor Intl Airport to San Juan Luis Munoz Marin Intl Airport?

    Phoenix Sky Harbor Intl Airport to San Juan Luis Munoz Marin Intl Airport flights have a layover in Orlando most of the time. Phoenix Sky Harbor Intl Airport to San Juan Luis Munoz Marin Intl Airport flights stop in Charlotte the next most. Dallas ranks third in terms of the most popular layover location on Phoenix Sky Harbor Intl Airport to San Juan Luis Munoz Marin Intl Airport flights.

  • What are some popular things to do or see while on a layover in Orlando?

    Walt Disney World Resort, Universal Orlando Resort, and International Drive are the most popular attractions in Orlando if you're in need of something to do during your layover. Walt Disney World Resort, Universal Orlando Resort, and International Drive can be visited by traveling about 16.2 mi, 10.2 mi, and 9.9 mi respectively from Orlando. Those landing in Orlando looking to spend some time exploring during their layover can rent a car for about $27 per day.

  • What are some popular points of interest to see during a layover in Charlotte?

    If you're on a layover in Charlotte and looking for things to do, consider visiting Carowind, Mint Museum Uptown, or NASCAR Hall of Fame. Carowind, Mint Museum Uptown, and NASCAR Hall of Fame can be visited by traveling about 8.2 mi, 5.4 mi, and 5.7 mi respectively from Charlotte Douglas. Those on a layover in Charlotte in need of a rental car can book one at Charlotte Douglas for about $43.

  • What are points of interest worth seeing during a layover in Dallas?

    If you're on a layover in Dallas and looking for things to do, consider visiting American Airlines Center, Dallas World Aquarium, or Dos Equis Pavilion. American Airlines Center, Dallas World Aquarium, and Dos Equis Pavilion are located about 15.0 mi, 15.5 mi, and 18.3 mi, respectively from Dallas/Fort Worth. Those on a layover in Dallas in need of a rental car can book one at Dallas/Fort Worth for about $48.

  • Where are the least popular layover locations for Phoenix Sky Harbor Intl Airport to San Juan Luis Munoz Marin Intl Airport flights?

    Phoenix Sky Harbor Intl Airport to San Juan Luis Munoz Marin Intl Airport flights have a layover in Atlanta least often. Miami follows Atlanta in terms of the least common layover location on Phoenix Sky Harbor Intl Airport to San Juan Luis Munoz Marin Intl Airport flights.

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

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

  • How can I find direct flights from Sky Harbor Intl 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 Sky Harbor Intl to Luis Munoz Marin Intl.

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

    Yes. Cheapflights offers flight deals from Sky Harbor Intl 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 Phoenix Sky Harbor Intl Airport to San Juan Luis Munoz Marin Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Phoenix Sky Harbor Intl Airport to San Juan Luis Munoz Marin Intl Airport 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

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
Luquillo
Humacao

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 Sky Harbor Intl to Luis Munoz Marin Intl

Discover the top 7 airlines that operate flights from Sky Harbor Intl 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$136Average$326FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$181Average$397FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$236Average$369FlexibilityNo cancel feeOn-time62%
DeltaCheapest$358Average$460FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$382Average$516FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$387Average$529FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$449Average$584FlexibilityNo 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.