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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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SJU
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from Boise Air Term. Gowen Fld to San Juan Luis Munoz Marin Intl are usually found in October or September, 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 July 29, 2025.

Round-trip from

$375
(Delta)

One-way from

$188
(Delta)

Popular in

December

Cheapest in

October

Average price

$658
From Boise Air Term. Gowen Fld to San Juan Luis Munoz Marin Intl
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One-way flight from Boise Air Term. Gowen Fld to San Juan Luis Munoz Marin Intl
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Highest demand for flights based on searches. 4% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 29, 2025.

This Delta deal was found by Cheapflights users on 7/28. 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.
Tue 10/214:46 pmBOI - SJU
2 stops17h 14mDelta
Tue 10/287:15 amSJU - BOI
2 stops18h 44mDelta
Deal found 7/28$375
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Sat 9/61:57 pmBOI - SJU
2 stops19h 14mAmerican Airlines
Sat 9/137:05 pmSJU - BOI
2 stops19h 22mAmerican Airlines
Deal found 7/29$415
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/156:06 pmBOI - SJU
3 stops27h 51mSpirit Airlines
Thu 8/214:12 pmSJU - BOI
3 stops26h 59mSpirit Airlines
Deal found 7/26$426
This Southwest deal was found by Cheapflights users on 7/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/268:45 pmBOI - SJU
2 stops14h 40mSouthwest
Sun 12/76:40 amSJU - BOI
2 stops12h 30mSouthwest
Deal found 7/28$525
This United Airlines deal was found by Cheapflights users on 7/29. 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 9/612:27 pmBOI - SJU
1 stop24h 17mUnited Airlines
Fri 9/121:05 amSJU - BOI
2 stops12h 26mUnited Airlines
Deal found 7/29$591
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/281:32 pmBOI - SJU
1 stop12h 33mAlaska Airlines
Tue 12/98:09 amSJU - BOI
1 stop16h 15mAlaska Airlines
Deal found 7/28$620
This Mytrip deal was found by Cheapflights users on 7/29. 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.
Thu 8/77:08 pmBOI - SJU
3 stops28h 27mMultiple Airlines
Sun 8/101:21 amSJU - BOI
3 stops19h 31mMultiple Airlines
Deal found 7/29$672

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 29, 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

Tue 10/21

4:46 pm-12:00 pm

2 stops17h 14m

San Juan Luis Munoz Marin Intl

Tue 10/28

7:15 am-11:59 pm

2 stops18h 44m

$375

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sat 9/6

1:57 pm-11:11 am

2 stops19h 14m

San Juan Luis Munoz Marin Intl

Sat 9/13

7:05 pm-12:27 pm

2 stops19h 22m

$415

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Fri 8/15

6:06 pm-11:57 pm

3 stops27h 51m

San Juan Luis Munoz Marin Intl

Thu 8/21

4:12 pm-5:11 pm

3 stops26h 59m

$426

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Wed 11/26

8:45 pm-2:25 pm

2 stops14h 40m

San Juan Luis Munoz Marin Intl

Sun 12/7

6:40 am-4:10 pm

2 stops12h 30m

$525

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sat 9/6

12:27 pm-2:44 pm

1 stop24h 17m

San Juan Luis Munoz Marin Intl

Fri 9/12

1:05 am-1:49 pm

2 stops14h 44m

$591

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Fri 11/28

1:32 pm-5:05 am

1 stop12h 33m

San Juan Luis Munoz Marin Intl

Tue 12/9

8:09 am-9:24 pm

1 stop16h 15m

$620

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sun 11/9

11:30 pm-12:40 pm

1 stop10h 10m

$188

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sun 11/9

5:00 am-9:00 pm

2 stops13h 00m

$233

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sun 11/9

10:05 am-5:30 am

3 stops16h 25m

$295

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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 July 25, 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, September is the cheapest month in which you can book a flight from Boise to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Boise 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 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 July 29, 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 29% versus a flight in the morning.

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

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

Travelers seeking maximum savings on their Boise to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 July 29, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,238 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,899 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

  • 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 $375. Additional round-trip tickets that might be worth considering are offered by American Airlines and Spirit Airlines, with the lowest prices starting at $415 and $426, respectively. Delta is 40% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airlines for a one-way flight from Boise to San Juan Luis Munoz Marin Intl Airport are Delta ($188), United Airlines ($233), and Alaska Airlines ($295).

  • 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 $254). Flying from Boise 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

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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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$384Average$551FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$501Average$665FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$504Average$686FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$570Average$755FlexibilityNo cancel feeOn-time71%

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