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

$188+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJU
nov. 27 — dic. 41
jue. 11/27
jue. 12/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boise 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 Boise Air Term. Gowen Fld to San Juan Luis Munoz Marin Intl are usually found in September or October, booked 60 days in advance, depart on a Monday or Thursday and return on a Monday

Cheap 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 octubre 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$395
(Delta)

One-way from

$188
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$550
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. 2% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find 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 octubre 28, 2025.

This Southwest deal was found by Cheapflights users on 10/27. 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.
sáb. 12/65:00 amBOI - SJU
2 stops15h 00mSouthwest
sáb. 12/138:20 amSJU - BOI
2 stops15h 55mSouthwest
Deal found 10/27$486
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/64:45 pmBOI - SJU
2 stops17h 13mDelta
sáb. 12/137:00 amSJU - BOI
2 stops15h 34mDelta
Deal found 10/27$489
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/125:20 amBOI - SJU
2 stops15h 36mDelta
mié. 11/197:15 amSJU - BOI
2 stops14h 39mDelta
Deal found 10/28$490
This American Airlines deal was found by Cheapflights users on 10/28. 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.
mié. 11/121:40 pmBOI - SJU
2 stops17h 37mAmerican Airlines
mié. 11/197:15 amSJU - BOI
1 stop18h 17mAmerican Airlines
Deal found 10/28$508
This American Airlines deal was found by Cheapflights users on 10/27. 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.
sáb. 12/62:09 pmBOI - SJU
2 stops17h 00mAmerican Airlines
sáb. 12/136:54 amSJU - BOI
1 stop18h 27mAmerican Airlines
Deal found 10/27$537
This United Airlines deal was found by Cheapflights users on 10/25. 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.
sáb. 12/272:40 pmBOI - SJU
2 stops12h 31mUnited Airlines
dom. 1/47:00 amSJU - BOI
2 stops15h 13mUnited Airlines
Deal found 10/25$540
This American Airlines deal was found by Cheapflights users on 10/26. 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.
vie. 11/287:00 amBOI - SJU
2 stops14h 44mAmerican Airlines
mar. 12/96:00 amSJU - BOI
2 stops19h 25mAmerican Airlines
Deal found 10/26$548
This United Airlines deal was found by Cheapflights users on 10/28. 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.
mié. 11/126:15 amBOI - SJU
2 stops13h 07mUnited Airlines
mar. 11/182:05 amSJU - BOI
2 stops14h 39mUnited Airlines
Deal found 10/28$580
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/115:58 pmBOI - SJU
2 stops15h 48mDelta
sáb. 11/157:15 amSJU - BOI
2 stops16h 09mDelta
Deal found 10/27$585
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/15:55 pmBOI - SJU
2 stops17h 01mDelta
mar. 11/113:20 pmSJU - BOI
2 stops11h 49mDelta
Deal found 10/27$645

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 octubre 28, 2025.
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

Boise

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

mar. 2/17

7:45 am-12:40 am

2 stops13h 55m

San Juan Luis Munoz Marin Intl

mar. 2/24

6:10 am-3:20 pm

2 stops12h 10m

$413

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

mar. 3/3

5:40 am-11:58 pm

2 stops15h 18m

San Juan Luis Munoz Marin Intl

mar. 3/10

1:10 pm-10:50 pm

1 stop11h 40m

$460

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

mié. 2/25

7:11 am-12:36 am

2 stops14h 25m

San Juan Luis Munoz Marin Intl

mar. 3/3

8:35 am-9:32 pm

2 stops15h 57m

$485

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

mié. 2/25

7:11 am-12:36 am

2 stops14h 25m

San Juan Luis Munoz Marin Intl

jue. 3/5

2:25 pm-9:16 pm

1 stop9h 51m

$485

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

mar. 3/3

6:25 am-12:36 am

2 stops15h 11m

San Juan Luis Munoz Marin Intl

mié. 3/4

2:25 pm-9:32 pm

1 stop10h 07m

$485

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

mié. 11/12

5:20 am-11:56 pm

2 stops15h 36m

San Juan Luis Munoz Marin Intl

mié. 11/19

7:15 am-6:54 pm

2 stops14h 39m

$490

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

mié. 11/12

1:40 pm-10:17 am

2 stops17h 37m

San Juan Luis Munoz Marin Intl

mié. 11/19

7:15 am-10:32 pm

1 stop18h 17m

$508

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

lun. 12/8

7:45 pm-12:58 pm

2 stops14h 13m

$198

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

mar. 12/9

5:20 am-11:59 pm

2 stops15h 39m

$198

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

dom. 12/7

12:44 pm-11:25 pm

3 stops55h 41m

$201

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 18 results
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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boise-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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

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

Use this chart to determine the optimal time to book a round-trip flight from Boise to Luis Munoz Marin Intl. Price data was last updated on October 24, 2025.

The price you pay for your flight from Boise 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 59 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 Boise to San Juan Luis Munoz Marin Intl Airport?

Currently, June is the cheapest month in which you can book a flight from Boise to San Juan Luis Munoz Marin Intl Airport (average of $217). Flying from Boise to San Juan Luis Munoz Marin Intl Airport in July is currently the most expensive (average of $504). 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 BOI to SJU?

Find hourly flight availability from Boise 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 octubre 28, 2025.

When flying from Boise to San Juan Luis Munoz Marin Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 27% versus a flight in the morning.

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

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 octubre 28, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United 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
4,240 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

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
4,240 reviews
Southwest
8.0
Very good
4,240 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

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
7.9
Good
7,994 reviews
Southwest
8.0
Very good
4,240 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

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
9,001 reviews
Southwest
8.0
Very good
4,240 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

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
11,032 reviews
Southwest
8.0
Very good
4,240 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

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 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 $413, Southwest can have you in San Juan Luis Munoz Marin Intl Airport from Boise in 13h 55m. 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 $449 and $463, respectively. Delta is 46% 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, June is the cheapest month in which you can book a flight from Boise to San Juan Luis Munoz Marin Intl Airport (average of $217). Flying from Boise to San Juan Luis Munoz Marin Intl Airport in July is currently the most expensive (average of $504). 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.

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 octubre 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$338Average$573FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$449Average$743FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$463Average$646FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$530Average$674FlexibilityNo cancel feeOn-time71%

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.