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Cheap flights from Boise to San Juan from $516

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 4/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boise to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
6:55 pm - 10:35 am
BOI
-
SJU
13h 40m
2 stops
Southwest Logo
10:00 am - 11:55 pm
SJU
-
BOI
15h 55m
2 stops
$516Southwest
Mon, Apr 27 - Fri, May 1
Southwest Logo
6:25 am - 10:00 pm
BOI
-
SJU
13h 35m
2 stops
Southwest Logo
11:50 am - 11:10 pm
SJU
-
BOI
13h 20m
2 stops
$526Southwest
Tue, Sep 1 - Wed, Sep 9
United Airlines Logo
5:00 am - 5:38 pm
BOI
-
SJU
10h 38m
1 stop
United Airlines Logo
2:00 pm - 10:32 pm
SJU
-
BOI
10h 32m
1 stop
$549United Airlines
Thu, Sep 24 - Tue, Sep 29
United Airlines Logo
6:15 am - 5:38 pm
BOI
-
SJU
9h 23m
1 stop
United Airlines Logo
1:40 pm - 9:17 pm
SJU
-
BOI
9h 37m
1 stop
$555United Airlines
Mon, Apr 27 - Fri, May 1
Delta Logo
7:28 pm - 12:55 pm
BOI
-
SJU
15h 27m
2 stops
Delta Logo
2:05 pm - 11:46 pm
SJU
-
BOI
11h 41m
2 stops
$561Delta
Wed, Jul 29 - Sun, Aug 2
Southwest Logo
6:55 pm - 10:35 am
BOI
-
SJU
13h 40m
2 stops
Southwest Logo
5:05 am - 7:00 pm
SJU
-
BOI
15h 55m
2 stops
$566Southwest
Mon, May 18 - Tue, May 26
Delta Logo
11:39 pm - 1:38 pm
BOI
-
SJU
11h 59m
1 stop
Delta Logo
2:48 pm - 10:28 pm
SJU
-
BOI
9h 40m
1 stop
$576Delta
Sun, May 10 - Fri, May 15
American Airlines Logo
6:26 pm - 9:13 am
BOI
-
SJU
12h 47m
2 stops
American Airlines Logo
12:44 am - 1:29 pm
SJU
-
BOI
14h 45m
2 stops
$599American Airlines
Sat, May 16 - Tue, May 26
United Airlines Logo
8:34 am - 8:34 pm
BOI
-
SJU
10h 00m
1 stop
United Airlines Logo
1:40 pm - 9:17 pm
SJU
-
BOI
9h 37m
1 stop
$607United Airlines
Fri, May 1 - Mon, May 4
Delta Logo
11:39 pm - 1:38 pm
BOI
-
SJU
11h 59m
1 stop
Delta Logo
2:48 pm - 10:28 pm
SJU
-
BOI
9h 40m
1 stop
$621Delta
Sun, May 10 - Fri, May 15

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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
Jul 29
BOI7:28 pmBoise Air Term. Gowen Fld
15h 27m
2 stops
SJU12:55 pmSan Juan Luis Munoz Marin Intl
Aug 2
SJU2:05 pmSan Juan Luis Munoz Marin Intl
11h 41m
2 stops
BOI11:46 pmBoise Air Term. Gowen Fld
$561
Delta
May 10
BOI11:39 pmBoise Air Term. Gowen Fld
11h 59m
1 stop
SJU1:38 pmSan Juan Luis Munoz Marin Intl
May 15
SJU2:48 pmSan Juan Luis Munoz Marin Intl
9h 40m
1 stop
BOI10:28 pmBoise Air Term. Gowen Fld
$576
Delta
Apr 21
BOI11:35 pmBoise Air Term. Gowen Fld
11h 50m
1 stop
SJU1:25 pmSan Juan Luis Munoz Marin Intl
Apr 28
SJU2:45 pmSan Juan Luis Munoz Marin Intl
9h 43m
1 stop
BOI10:28 pmBoise Air Term. Gowen Fld
$616

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

Our best Alaska Airlines deals on Boise to San Juan Luis Munoz Marin Intl Airport flight tickets
Alaska Airlines
Jul 29
BOI12:14 pmBoise Air Term. Gowen Fld
14h 25m
1 stop
SJU4:39 amSan Juan Luis Munoz Marin Intl
Aug 2
SJU5:45 amSan Juan Luis Munoz Marin Intl
19h 20m
1 stop
BOI11:05 pmBoise Air Term. Gowen Fld
$719
Alaska Airlines
Jul 6
BOI6:20 amBoise Air Term. Gowen Fld
15h 20m
1 stop
SJU11:40 pmSan Juan Luis Munoz Marin Intl
Jul 12
SJU12:58 amSan Juan Luis Munoz Marin Intl
15h 50m
1 stop
BOI2:48 pmBoise Air Term. Gowen Fld
$776
Alaska Airlines
Apr 21
BOI5:50 amBoise Air Term. Gowen Fld
15h 12m
3 stops
SJU11:02 pmSan Juan Luis Munoz Marin Intl
Apr 28
SJU3:10 pmSan Juan Luis Munoz Marin Intl
20h 32m
2 stops
BOI9:42 amBoise Air Term. Gowen Fld
$1,409

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 April 17, 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

Mon 4/27

6:55 pm-10:35 am

2 stops13h 40m

San Juan Luis Munoz Marin Intl

Fri 5/1

10:00 am-11:55 pm

2 stops15h 55m

$516

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Tue 9/1

6:25 am-10:00 pm

2 stops13h 35m

San Juan Luis Munoz Marin Intl

Wed 9/9

11:50 am-11:10 pm

2 stops13h 20m

$526

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Thu 9/24

5:00 am-5:38 pm

1 stop10h 38m

San Juan Luis Munoz Marin Intl

Tue 9/29

2:00 pm-10:32 pm

1 stop10h 32m

$549
Quickest round-trip

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 4/27

6:15 am-5:38 pm

1 stop9h 23m

San Juan Luis Munoz Marin Intl

Fri 5/1

1:40 pm-9:17 pm

1 stop9h 37m

$555

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Wed 7/29

7:28 pm-12:55 pm

2 stops15h 27m

San Juan Luis Munoz Marin Intl

Sun 8/2

2:05 pm-11:46 pm

2 stops11h 41m

$561

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 5/18

6:55 pm-10:35 am

2 stops13h 40m

San Juan Luis Munoz Marin Intl

Tue 5/26

5:05 am-7:00 pm

2 stops15h 55m

$566

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sun 5/10

11:39 pm-1:38 pm

1 stop11h 59m

San Juan Luis Munoz Marin Intl

Fri 5/15

2:48 pm-10:28 pm

1 stop9h 40m

$576

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sat 5/16

6:26 pm-9:13 am

2 stops12h 47m

San Juan Luis Munoz Marin Intl

Tue 5/26

12:44 am-1:29 pm

2 stops14h 45m

$599

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Fri 5/1

8:34 am-8:34 pm

1 stop10h 00m

San Juan Luis Munoz Marin Intl

Mon 5/4

1:40 pm-9:17 pm

1 stop9h 37m

$607

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sun 5/10

11:39 pm-1:38 pm

1 stop11h 59m

San Juan Luis Munoz Marin Intl

Fri 5/15

2:48 pm-10:28 pm

1 stop9h 40m

$621

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 typical price of a round-trip flight between Boise and San Juan Luis Munoz Marin Intl Airport?

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 January is also cheap. Prices for this month can be found on momondo for an average of $554.

Can stopping save me money on Boise to San Juan Luis Munoz Marin Intl Airport flights?

You could potentially save up to 67% on your flight if you consider stops on a Boise to San Juan Luis Munoz Marin Intl Airport flight.

How have Boise to San Juan Luis Munoz Marin Intl Airport flight prices changed over time?

As of April 2026, prices for Boise to San Juan Luis Munoz Marin Intl Airport flights are approximately 38% cheaper when compared to flights at the same time last year.

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

Fastest flight time

10h 00m

Direct flights

None
The fastest flight from Boise to San Juan Luis Munoz Marin Intl Airport takes 10h 00m
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.
Search flight deals

Frequently asked questions about flying from Boise to San Juan Luis Munoz Marin Intl Airport

  • 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 10h 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 $208Free CancellationRating
7.9
8,409 reviews
Search Delta flights
United AirlinesPriceFrom $442Free CancellationRating
7.4
9,604 reviews
Search United Airlines flights
SouthwestPriceFrom $473Free CancellationRating
8.0
4,330 reviews
Search Southwest flights
American AirlinesPriceFrom $499Free CancellationRating
7.1
11,598 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
Rio Grande
Humacao
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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