HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Juan

$142+ Cheap flights from Mesa, 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SJU
Sep 7 — Sep 141
Sun 9/7
Sun 9/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Mesa 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 Mesa to San Juan are usually found in January or September, booked 66 days in advance, depart on a Monday or Tuesday and return on a Sunday

Cheap flight deals from Mesa to San Juan

Keep the following information in mind while searching for Mesa to San Juan flight deals. Data was last updated September 2, 2025.

Round-trip from

$281
(Kiwi.com)

One-way from

$142
(Mytrip)

Popular in

December

Cheapest in

January

Average price

$436
From Mesa to San Juan
Search Deals
One-way flight from Mesa to San Juan
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($4 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 September 2025
Search Deals

Find flight deals from Mesa to San Juan

Cheapest flights from Mesa to San Juan
Explore the most affordable flight options available from Mesa to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 2, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/31. 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 11/11:03 pmPHX - SJU
2 stops23h 16mMultiple Airlines
Sat 11/86:00 amSJU - PHX
1 stop33h 09mMultiple Airlines
Deal found 8/31$281
This Priceline deal was found by Cheapflights users on 8/31. 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 10/1811:00 pmPHX - SJU
1 stop29h 55mFrontier
Sat 10/252:17 pmSJU - PHX
1 stop26h 00mFrontier
Deal found 8/31$284
This Kiwi.com deal was found by Cheapflights users on 8/31. 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.
Wed 10/810:59 pmPHX - SJU
1 stop13h 33mFrontier
Mon 10/203:40 amSJU - PHX
1 stop12h 37mFrontier
Deal found 8/31$286
This Priceline deal was found by Cheapflights users on 8/31. 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 8/31$288
This Kiwi.com deal was found by Cheapflights users on 8/31. 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.
Wed 10/810:59 pmPHX - SJU
1 stop13h 33mFrontier
Wed 10/151:17 pmSJU - PHX
1 stop27h 00mFrontier
Deal found 8/31$291
This Kiwi.com deal was found by Cheapflights users on 8/31. 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.
Mon 10/1310:55 pmPHX - SJU
1 stop24h 35mFrontier
Mon 10/203:40 amSJU - PHX
1 stop12h 37mFrontier
Deal found 8/31$293
This Kiwi.com deal was found by Cheapflights users on 8/31. 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.
Mon 10/1310:55 pmPHX - SJU
1 stop24h 35mFrontier
Sat 10/183:40 amSJU - PHX
1 stop12h 37mFrontier
Deal found 8/31$295
This Frontier deal was found by Cheapflights users on 8/31. 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 stops18h 19mFrontier
Mon 10/63:40 amSJU - PHX
1 stop12h 37mFrontier
Deal found 8/31$297
This Frontier deal was found by Cheapflights users on 8/31. 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 10/147:30 pmPHX - SJU
2 stops13h 45mFrontier
Tue 10/216:22 amSJU - PHX
2 stops15h 25mFrontier
Deal found 8/31$298
This Frontier deal was found by Cheapflights users on 8/31. 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 10/311:04 pmPHX - SJU
2 stops19h 15mFrontier
Sat 11/11:59 amSJU - PHX
2 stops12h 24mFrontier
Deal found 8/31$299

Cheapflights Fare Finder

 
Customize your flight search to find flights from Mesa 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 September 2, 2025.
Use the filters below to find and compare flights from Mesa to San Juan that are best for you.

Fly from

Mesa

Fly to

San Juan

Route

Depart

Return

Price

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Sat 10/18

11:00 pm-7:55 am

1 stop29h 55m

San Juan Luis Munoz Marin Intl

Sat 10/25

2:17 pm-1:17 pm

1 stop26h 00m

$284

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Wed 10/8

10:59 pm-3:32 pm

1 stop13h 33m

San Juan Luis Munoz Marin Intl

Mon 10/20

3:40 am-1:17 pm

1 stop12h 37m

$286

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Tue 10/14

10:59 pm-12:15 pm

1 stop10h 16m

San Juan Luis Munoz Marin Intl

Sat 10/18

3:40 am-1:17 pm

1 stop12h 37m

$288

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Wed 10/8

10:59 pm-3:32 pm

1 stop13h 33m

San Juan Luis Munoz Marin Intl

Sat 10/18

3:40 am-1:17 pm

1 stop12h 37m

$288

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Thu 10/16

10:59 pm-2:30 am

1 stop24h 31m

San Juan Luis Munoz Marin Intl

Mon 10/20

9:19 pm-1:17 pm

1 stop18h 58m

$288

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Sat 11/1

1:03 pm-3:59 pm

1 stop23h 56m

San Juan Luis Munoz Marin Intl

Sat 11/8

6:00 am-12:09 pm

1 stop33h 09m

$290

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Mon 10/13

10:55 pm-2:30 am

1 stop24h 35m

San Juan Luis Munoz Marin Intl

Mon 10/20

3:40 am-1:17 pm

1 stop12h 37m

$293

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Mon 10/13

10:55 pm-2:30 am

1 stop24h 35m

San Juan Luis Munoz Marin Intl

Sat 10/18

3:40 am-1:17 pm

1 stop12h 37m

$295

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Fri 10/3

12:37 pm-9:56 am

2 stops18h 19m

San Juan Luis Munoz Marin Intl

Mon 10/6

3:40 am-1:17 pm

1 stop12h 37m

$297

PhoenixSan Juan

PHX - SJU

PHXSJU

Phoenix Sky Harbor Intl

Tue 10/14

4:14 pm-12:15 pm

2 stops17h 01m

San Juan Luis Munoz Marin Intl

Wed 10/29

9:00 am-9:58 pm

2 stops15h 58m

$298

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/31

Showing 1-10 of 20 results
1
2

Best time to book a flight from Mesa to San Juan

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

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

Use this chart to determine the optimal time to book a round-trip flight from Mesa to San Juan. Price data was last updated on August 29, 2025.

To ensure you get the cheapest price possible for a flight from Mesa to San Juan, you should look to book at least 66 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 Mesa to San Juan?

Currently, September is the cheapest month in which you can book a flight from Mesa to San Juan (average of $254). Flying from Mesa 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 MS9 to SJU?

Find hourly flight availability from Mesa 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 September 2, 2025.

When flying from Mesa to San Juan, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

Travelers seeking maximum savings on their Mesa 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 September 2, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Mesa 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.
Southwest
8.0
Very good
4,238 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

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
4,238 reviews
Southwest
8.0
Very good
4,238 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

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
7,973 reviews
Southwest
8.0
Very good
4,238 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

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
8,937 reviews
Southwest
8.0
Very good
4,238 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

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
4,238 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

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
3,198 reviews
Southwest
8.0
Very good
4,238 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

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 Mesa to San Juan. 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 Mesa to San Juan?

    Airlines like Frontier fly from Mesa to San Juan in about 29h 55m. The time it takes to get you to your destination can typically vary by up to . The distance between Mesa and San Juan is about 3010 mi.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Mesa to San Juan (average of $254). Flying from Mesa 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 Mesa to San Juan

Discover the top 7 airlines that operate flights from Mesa 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 September 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$136Average$347FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$181Average$391FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$236Average$365FlexibilityNo cancel feeOn-time62%
DeltaCheapest$357Average$459FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$376Average$513FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$384Average$527FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$445Average$580FlexibilityNo 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.