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Cheap flights from Boise to San Juan from $395

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to San Juan departing on 1/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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United Airlines Logo
9:48 am - 12:36 amBOI-SJU
11h 48m2 stops
United Airlines Logo
8:35 am - 7:51 pmSJU-BOI
14h 16m2 stops
$395United Airlines
Find Deal
Mon, Jan 12 - Fri, Jan 23
Southwest Logo
5:20 pm - 10:00 amBOI-SJU
13h 40m2 stops
Southwest Logo
6:40 am - 10:20 pmSJU-BOI
17h 40m2 stops
$413Southwest
Find Deal
Fri, Feb 27 - Wed, Mar 11
United Airlines Logo
6:10 am - 6:25 pmBOI-SJU
9h 15m1 stop
United Airlines Logo
7:45 am - 7:51 pmSJU-BOI
15h 06m2 stops
$426United Airlines
Find Deal
Mon, Jan 26 - Sat, Jan 31
American Airlines Logo
7:20 am - 11:59 pmBOI-SJU
13h 39m2 stops
American Airlines Logo
6:00 am - 2:51 pmSJU-BOI
11h 51m1 stop
$431American Airlines
Find Deal
Sat, Jan 24 - Sat, Jan 31
Southwest Logo
5:20 pm - 10:00 amBOI-SJU
13h 40m2 stops
Southwest Logo
2:10 pm - 10:50 pmSJU-BOI
11h 40m2 stops
$468Southwest
Find Deal
Fri, Feb 20 - Sat, Feb 28
American Airlines Logo
7:20 am - 10:26 pmBOI-SJU
12h 06m1 stop
American Airlines Logo
7:07 am - 7:25 pmSJU-BOI
15h 18m1 stop
$470American Airlines
Find Deal
Mon, Jan 12 - Fri, Jan 23
Delta Logo
5:20 am - 11:13 pmBOI-SJU
14h 53m2 stops
Delta Logo
4:50 pm - 12:09 amSJU-BOI
10h 19m1 stop
$585Delta
Find Deal
Tue, Nov 18 - Sat, Nov 22
Alaska Airlines Logo
1:25 pm - 6:10 amBOI-SJU
13h 45m1 stop
Alaska Airlines Logo
7:00 am - 10:03 pmSJU-BOI
18h 03m1 stop
$628Alaska Airlines
Find Deal
Mon, Dec 1 - Thu, Dec 4
Delta Logo
5:20 am - 11:56 pmBOI-SJU
15h 36m2 stops
Delta Logo
3:10 pm - 12:09 amSJU-BOI
11h 59m2 stops
$645Delta
Find Deal
Thu, Nov 20 - Wed, Dec 3
Alaska Airlines Logo
1:25 pm - 6:10 amBOI-SJU
13h 45m1 stop
Alaska Airlines Logo
7:00 am - 10:03 pmSJU-BOI
18h 03m1 stop
$667Alaska Airlines
Find Deal
Mon, Dec 1 - Thu, Dec 4

United Airlines flights from Boise to San Juan Luis Munoz Marin Intl Airport

Our best United Airlines deals on Boise to San Juan Luis Munoz Marin Intl Airport flight tickets
United Airlines
Jan 12
BOI9:48 amBoise Air Term. Gowen Fld
11h 48m
2 stops
SJU12:36 amSan Juan Luis Munoz Marin Intl
Jan 23
SJU8:35 amSan Juan Luis Munoz Marin Intl
14h 16m
2 stops
BOI7:51 pmBoise Air Term. Gowen Fld
$395
Find similar
United Airlines
Jan 26
BOI6:10 amBoise Air Term. Gowen Fld
9h 15m
1 stop
SJU6:25 pmSan Juan Luis Munoz Marin Intl
Jan 31
SJU7:45 amSan Juan Luis Munoz Marin Intl
15h 06m
2 stops
BOI7:51 pmBoise Air Term. Gowen Fld
$426
Find similar
United Airlines
Mar 3
BOI6:25 amBoise Air Term. Gowen Fld
9h 00m
1 stop
SJU6:25 pmSan Juan Luis Munoz Marin Intl
Mar 4
SJU2:25 pmSan Juan Luis Munoz Marin Intl
10h 07m
1 stop
BOI9:32 pmBoise Air Term. Gowen Fld
$485
Find similar

Delta flights from Boise to San Juan Luis Munoz Marin Intl Airport

Our best Delta deals on Boise to San Juan Luis Munoz Marin Intl Airport flight tickets
Delta
Nov 18
BOI5:20 amBoise Air Term. Gowen Fld
14h 53m
2 stops
SJU11:13 pmSan Juan Luis Munoz Marin Intl
Nov 22
SJU4:50 pmSan Juan Luis Munoz Marin Intl
10h 19m
1 stop
BOI12:09 amBoise Air Term. Gowen Fld
$585
Find similar
Delta
Nov 12
BOI4:45 pmBoise Air Term. Gowen Fld
18h 25m
2 stops
SJU2:10 pmSan Juan Luis Munoz Marin Intl
Nov 19
SJU7:15 amSan Juan Luis Munoz Marin Intl
16h 09m
2 stops
BOI8:24 pmBoise Air Term. Gowen Fld
$630
Find similar
Delta
Nov 20
BOI5:20 amBoise Air Term. Gowen Fld
15h 36m
2 stops
SJU11:56 pmSan Juan Luis Munoz Marin Intl
Dec 3
SJU3:10 pmSan Juan Luis Munoz Marin Intl
11h 59m
2 stops
BOI12:09 amBoise Air Term. Gowen Fld
$645
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boise to San Juan Luis Munoz Marin Intl Airport 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, momondo users made 832,500 searches. Data last updated November 5, 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

Fly to

Route

Depart

Return

Price

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 1/12

9:48 am-12:36 am

2 stops11h 48m

San Juan Luis Munoz Marin Intl

Fri 1/23

8:35 am-7:51 pm

2 stops14h 16m

$395

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Fri 2/27

5:20 pm-10:00 am

2 stops13h 40m

San Juan Luis Munoz Marin Intl

Wed 3/11

6:40 am-10:20 pm

2 stops17h 40m

$413

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 1/26

6:10 am-6:25 pm

1 stop9h 15m

San Juan Luis Munoz Marin Intl

Sat 1/31

7:45 am-7:51 pm

2 stops15h 06m

$426

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sat 1/24

7:20 am-11:59 pm

2 stops13h 39m

San Juan Luis Munoz Marin Intl

Sat 1/31

6:00 am-2:51 pm

1 stop11h 51m

$431

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Fri 2/20

5:20 pm-10:00 am

2 stops13h 40m

San Juan Luis Munoz Marin Intl

Sat 2/28

2:10 pm-10:50 pm

2 stops11h 40m

$468

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 1/12

7:20 am-10:26 pm

1 stop12h 06m

San Juan Luis Munoz Marin Intl

Fri 1/23

7:07 am-7:25 pm

1 stop15h 18m

$470

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Tue 11/18

5:20 am-11:13 pm

2 stops14h 53m

San Juan Luis Munoz Marin Intl

Sat 11/22

4:50 pm-12:09 am

1 stop10h 19m

$585

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 12/1

1:25 pm-6:10 am

1 stop13h 45m

San Juan Luis Munoz Marin Intl

Thu 12/4

7:00 am-10:03 pm

1 stop18h 03m

$628

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Thu 11/20

5:20 am-11:56 pm

2 stops15h 36m

San Juan Luis Munoz Marin Intl

Wed 12/3

3:10 pm-12:09 am

2 stops11h 59m

$645

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 12/1

1:25 pm-6:10 am

1 stop13h 45m

San Juan Luis Munoz Marin Intl

Thu 12/4

7:00 am-10:03 pm

1 stop18h 03m

$667

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to San Juan from

How to get the cheapest flight ticket from Boise to San Juan Luis Munoz Marin Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Juan Luis Munoz Marin Intl Airport?

If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $550.

What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport from Boise is on a Monday. momondo users have found tickets for Monday departures for as low as $594. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Boise because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $844.

What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is in the evening when flights can be purchased for as low as $503. Flights in the morning are often more expensive with an average ticket price of $699.

How far in advance should I book a flight to San Juan Luis Munoz Marin Intl Airport?

You are more likely to see cheaper flights to San Juan Luis Munoz Marin Intl Airport from Boise when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around $629 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan Luis Munoz Marin Intl Airport from Boise for as low as $444 on momondo.

When to book flights from Boise to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Boise to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boise to San Juan Luis Munoz Marin Intl Airport (BOI to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boise to San Juan Luis Munoz Marin Intl Airport

Direct flights

None
There are no direct flights from Boise to San Juan Luis Munoz Marin Intl Airport. There are no popular flight routes from Boise to San Juan Luis Munoz Marin Intl Airport.
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  • How far is Boise Air Term. Gowen Fld to San Juan Luis Munoz Marin Intl by plane?

    Boise Air Term. Gowen Fld and San Juan Luis Munoz Marin Intl are 3374.0 mi apart from one another. A reasonable flight in good conditions will take 9h 00m.

  • When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to San Juan Luis Munoz Marin Intl Airport?

    Prices for flights from Boise Air Term. Gowen Fld Airport to San Juan Luis Munoz Marin Intl Airport are updated daily.

  • How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to San Juan Luis Munoz Marin Intl Airport?

  • How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to San Juan Luis Munoz Marin Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boise Air Term. Gowen Fld Airport to San Juan Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The necessary travel and health documents for your San Juan Luis Munoz Marin Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Boise to San Juan Luis Munoz Marin Intl Airport?

Best airlines flying from Boise to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from Boise to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $338Free CancellationRating
7.9
8,004 reviews
Search Delta flights
United AirlinesPriceFrom $449Free CancellationRating
7.4
9,002 reviews
Search United Airlines flights
SouthwestPriceFrom $480Free CancellationRating
8.0
4,240 reviews
Search Southwest flights
American AirlinesPriceFrom $530Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Caguas
Humacao
Rio Grande
Bayamón

Why use momondo?

Why should I use momondo to find a flight deal from Boise to San Juan?

Finding the right flight to San Juan from Boise is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Juan quick and easy, saving you time and money.

Can I find flights from Boise to San Juan with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Boise to San Juan flights to just show those with flexible booking policies.

How can momondo help me find flights from Boise to San Juan?

momondo provides multiple filters to help you find the best flight to San Juan from Boise. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Boise to San Juan right now. Can momondo alert me if prices change?

Price alerts on flights to San Juan from Boise are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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