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Luis Munoz Marin Intl

$218+ Cheap flights from Boise (BOI) 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJU
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Cheap flight deals from Boise to Luis Munoz Marin Intl

Cheapest flights from Boise to Luis Munoz Marin Intl
Explore the most affordable flight options available from Boise to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.

This United Airlines deal was found by Cheapflights users on 7/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:05 pm
BOI
-
SJU
2 stops17h 39m
United Airlines
Mon 9/281:00 am
SJU
-
BOI
2 stops12h 28m
United Airlines
Deal found 7/24$436
This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:50 pm
BOI
-
SJU
2 stops14h 00m
United Airlines
Wed 10/281:21 pm
SJU
-
BOI
1 stop10h 11m
United Airlines
Deal found 7/26$446
This Southwest deal was found by Cheapflights users on 7/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:25 am
BOI
-
SJU
2 stops12h 45m
Southwest
Mon 9/285:00 am
SJU
-
BOI
2 stops13h 15m
Southwest
Deal found 7/23$451
This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:30 am
BOI
-
SJU
1 stop8h 55m
United Airlines
Tue 11/108:25 am
SJU
-
BOI
2 stops16h 07m
United Airlines
Deal found 7/26$466
This United Airlines deal was found by Cheapflights users on 7/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:00 am
BOI
-
SJU
1 stop10h 38m
United Airlines
Sat 10/31:00 am
SJU
-
BOI
2 stops12h 28m
United Airlines
Deal found 7/24$474
This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:52 pm
BOI
-
SJU
2 stops17h 32m
American Airlines
Sat 9/266:00 am
SJU
-
BOI
2 stops18h 27m
American Airlines
Deal found 7/26$476
This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/42:49 pm
BOI
-
SJU
2 stops16h 54m
American Airlines
Wed 9/96:00 am
SJU
-
BOI
2 stops18h 27m
American Airlines
Deal found 7/26$487
This United Airlines deal was found by Cheapflights users on 7/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:25 am
BOI
-
SJU
1 stop9h 13m
United Airlines
Tue 10/277:25 am
SJU
-
BOI
2 stops12h 38m
United Airlines
Deal found 7/24$512
This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:47 pm
BOI
-
SJU
2 stops17h 58m
American Airlines
Fri 10/26:00 am
SJU
-
BOI
2 stops17h 23m
American Airlines
Deal found 7/26$522
This United Airlines deal was found by Cheapflights users on 7/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:05 pm
BOI
-
SJU
2 stops16h 48m
United Airlines
Thu 9/242:00 pm
SJU
-
BOI
1 stop9h 35m
United Airlines
Deal found 7/23$526
This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:25 am
BOI
-
SJU
1 stop9h 13m
United Airlines
Thu 10/11:00 am
SJU
-
BOI
2 stops14h 38m
United Airlines
Deal found 7/26$536
This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/132:02 pm
BOI
-
SJU
2 stops19h 29m
American Airlines
Sat 10/176:00 am
SJU
-
BOI
1 stop9h 51m
American Airlines
Deal found 7/26$538

Find flight deals from Boise to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) 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 July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$436
(United Airlines)

One-way from

$218
(Delta)

Popular in

November

Cheapest in

September

Average price

$828
Provider with most accurate pricing for Boise Air Term. Gowen Fld-San Juan Luis Munoz Marin Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-San Juan Luis Munoz Marin Intl flights.
Search Deals
From Boise Air Term. Gowen Fld to San Juan Luis Munoz Marin Intl
Search Deals
One-way flight from Boise Air Term. Gowen Fld to San Juan Luis Munoz Marin Intl
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise 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 July 27, 2026.
Use the filters below to find and compare flights from Boise to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Tue 9/22

7:05 pm-11:57 am

2 stops14h 52m

San Juan Luis Munoz Marin Intl

Tue 9/29

2:00 pm-9:35 pm

1 stop9h 35m

$436

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Tue 9/22

7:05 pm-1:53 pm

2 stops16h 48m

San Juan Luis Munoz Marin Intl

Mon 9/28

2:00 pm-9:35 pm

1 stop9h 35m

$436

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Fri 10/16

7:13 pm-12:49 pm

2 stops15h 36m

San Juan Luis Munoz Marin Intl

Fri 10/23

12:50 pm-9:57 pm

1 stop11h 07m

$446

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sat 10/24

6:50 pm-10:50 am

2 stops14h 00m

San Juan Luis Munoz Marin Intl

Wed 10/28

1:21 pm-9:32 pm

1 stop10h 11m

$446

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Wed 9/30

6:00 am-9:10 pm

2 stops13h 10m

San Juan Luis Munoz Marin Intl

Sun 10/4

5:00 am-3:30 pm

2 stops12h 30m

$487

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sat 9/19

5:00 am-5:38 pm

1 stop10h 38m

San Juan Luis Munoz Marin Intl

Tue 9/22

1:00 am-11:26 am

2 stops12h 26m

$566
Quickest round-trip

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Fri 9/25

5:00 am-5:38 pm

1 stop10h 38m

San Juan Luis Munoz Marin Intl

Fri 10/2

2:00 pm-9:35 pm

1 stop9h 35m

$576

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 9/21

7:05 pm-1:53 pm

2 stops16h 48m

San Juan Luis Munoz Marin Intl

Thu 9/24

2:00 pm-9:35 pm

1 stop9h 35m

$641

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Fri 8/7

5:00 am-5:38 pm

1 stop10h 38m

San Juan Luis Munoz Marin Intl

Mon 8/10

2:05 am-3:31 pm

2 stops15h 26m

$656
Cheapest one-way

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Wed 9/2

6:49 am-10:29 pm

2 stops13h 40m

$218

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Compare providers for flights from Boise to Luis Munoz Marin Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Luis Munoz Marin Intl in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boise-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boise-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-San Juan Luis Munoz Marin Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boise to Luis Munoz Marin Intl

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

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

Currently, September is the cheapest month in which you can book a flight from Boise to San Juan Luis Munoz Marin Intl Airport (average of $526). Flying from Boise to San Juan Luis Munoz Marin Intl Airport in November is currently the most expensive (average of $896). 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.

How much does it cost to fly round-trip from Boise to San Juan Luis Munoz Marin Intl Airport?

Airfare is below average for this route at the moment.

Boise to San Juan Luis Munoz Marin Intl Airport flights typically cost between $508 and $638 in September.
The cheapest round-trip price found within the last 5 days was $436 on United Airlines (Sep 22-Sep 29).

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 July 27, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Boise to San Juan Luis Munoz Marin Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,228 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Southwest
8.0
Very good
4,228 reviews
Southwest
8.0
Very good
4,228 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Delta
7.8
Good
8,482 reviews
Southwest
8.0
Very good
4,228 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
United Airlines
7.4
Good
10,041 reviews
Southwest
8.0
Very good
4,228 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
American Airlines
7.1
Good
11,836 reviews
Southwest
8.0
Very good
4,228 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

Related info for your journey

Find useful and relevant information for your journey from Boise 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.

  • What airport do you fly from for flights from Boise to San Juan Luis Munoz Marin Intl?

    Boise Air Term. Gowen Fld (BOI), located 3.3 mi from the city center, is the airport you fly out of when you book flights from Boise to San Juan Luis Munoz Marin Intl. 4 airlines have flights from Air Term. Gowen Fld to San Juan Luis Munoz Marin Intl on a regular basis. Booking flights from Boise Air Term. Gowen Fld to San Juan Luis Munoz Marin Intl should not be difficult; the airport handles an average of 0 outbound flights to San Juan Luis Munoz Marin Intl per day.

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

    For as low as $487, United Airlines can have you in San Juan Luis Munoz Marin Intl Airport from Boise in 13h 10m. The distance from Boise to San Juan Luis Munoz Marin Intl Airport is about 3374 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Flying on Delta is currently your cheapest option to San Juan Luis Munoz Marin Intl Airport, with prices starting at $338. Additional round-trip tickets that might be worth considering are offered by United Airlines and Southwest, with the lowest prices starting at $429 and $452, respectively. Delta is 49% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Boise to San Juan Luis Munoz Marin Intl Airport (average of $526). Flying from Boise to San Juan Luis Munoz Marin Intl Airport in November is currently the most expensive (average of $896). 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
Fajardo
Luquillo
Dorado
Rio Grande
Humacao
Bayamón

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Boise to Luis Munoz Marin Intl

See prices for flight routes from nearby airports that may be better suited for you.
Spokane to Luis Munoz Marin Intl flights

Top 4 airlines flying from Boise to Luis Munoz Marin Intl

Discover the top 4 airlines that operate flights from Boise 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 July 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$338Average$581FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$429Average$793FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$452Average$565FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$499Average$664FlexibilityNo cancel feeOn-time71%

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