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Cheap flights from Boise to San Juan from $218

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to San Juan departing on 9/2. 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
1 adult, Economy, 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.
American Airlines Logo
1:50 pm - 9:24 am
BOI
-
SJU
17h 34m
2 stops
American Airlines Logo
6:00 am - 10:27 pm
SJU
-
BOI
18h 27m
2 stops
$436American Airlines
Sat, Sep 19 - Wed, Sep 23
American Airlines Logo
1:52 pm - 11:00 am
BOI
-
SJU
19h 08m
2 stops
American Airlines Logo
6:00 am - 10:27 pm
SJU
-
BOI
18h 27m
2 stops
$441American Airlines
Wed, Sep 16 - Sat, Sep 26
United Airlines Logo
5:00 am - 9:00 pm
BOI
-
SJU
13h 00m
2 stops
United Airlines Logo
2:21 pm - 10:59 pm
SJU
-
BOI
11h 38m
1 stop
$446United Airlines
Sun, Nov 1 - Thu, Nov 5
United Airlines Logo
7:10 pm - 11:50 am
BOI
-
SJU
13h 40m
2 stops
United Airlines Logo
8:05 am - 6:03 pm
SJU
-
BOI
12h 58m
2 stops
$446United Airlines
Mon, Nov 9 - Sat, Nov 14
Southwest Logo
8:30 pm - 11:50 am
BOI
-
SJU
12h 20m
2 stops
Southwest Logo
5:35 am - 4:05 pm
SJU
-
BOI
13h 30m
2 stops
$446Southwest
Sun, Nov 1 - Thu, Nov 5
Southwest Logo
11:30 am - 11:50 pm
BOI
-
SJU
10h 20m
2 stops
Southwest Logo
5:30 am - 4:15 pm
SJU
-
BOI
12h 45m
2 stops
$456Southwest
Fri, Aug 28 - Fri, Sep 4
Delta Logo
4:05 pm - 2:31 pm
BOI
-
SJU
19h 26m
2 stops
Delta Logo
7:00 am - 11:52 pm
SJU
-
BOI
19h 52m
2 stops
$536Delta
Sun, Jan 24 - Thu, Feb 4
Delta Logo
7:30 pm - 4:50 pm
BOI
-
SJU
18h 20m
2 stops
Delta Logo
3:20 pm - 11:55 pm
SJU
-
BOI
11h 35m
1 stop
$536Delta
Mon, Jan 18 - Tue, Feb 9
Alaska Airlines Logo
7:20 am - 10:22 pm
BOI
-
SJU
12h 02m
1 stop
Alaska Airlines Logo
7:00 am - 7:25 pm
SJU
-
BOI
15h 25m
1 stop
$658Alaska Airlines
Fri, Jan 22 - Sat, Feb 6
Alaska Airlines Logo
7:20 am - 10:22 pm
BOI
-
SJU
12h 02m
1 stop
Alaska Airlines Logo
7:00 am - 7:25 pm
SJU
-
BOI
15h 25m
1 stop
$658Alaska Airlines
Fri, Jan 22 - Tue, Feb 9

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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
Nov 1
BOI5:00 amBoise Air Term. Gowen Fld
13h 00m
2 stops
SJU9:00 pmSan Juan Luis Munoz Marin Intl
Nov 5
SJU2:21 pmSan Juan Luis Munoz Marin Intl
11h 38m
1 stop
BOI10:59 pmBoise Air Term. Gowen Fld
$446
United Airlines
Sep 21
BOI7:05 pmBoise Air Term. Gowen Fld
14h 52m
2 stops
SJU11:57 amSan Juan Luis Munoz Marin Intl
Sep 24
SJU2:00 pmSan Juan Luis Munoz Marin Intl
9h 35m
1 stop
BOI9:35 pmBoise Air Term. Gowen Fld
$526
United Airlines
Nov 9
BOI6:30 amBoise Air Term. Gowen Fld
8h 55m
1 stop
SJU6:25 pmSan Juan Luis Munoz Marin Intl
Nov 14
SJU8:05 amSan Juan Luis Munoz Marin Intl
12h 58m
2 stops
BOI6:03 pmBoise Air Term. Gowen Fld
$530

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

Our best Southwest deals on Boise to San Juan Luis Munoz Marin Intl Airport flight tickets
Southwest
Aug 28
BOI11:30 amBoise Air Term. Gowen Fld
10h 20m
2 stops
SJU11:50 pmSan Juan Luis Munoz Marin Intl
Sep 4
SJU5:30 amSan Juan Luis Munoz Marin Intl
12h 45m
2 stops
BOI4:15 pmBoise Air Term. Gowen Fld
$456
Southwest
Aug 30
BOI8:05 amBoise Air Term. Gowen Fld
12h 40m
2 stops
SJU10:45 pmSan Juan Luis Munoz Marin Intl
Sep 5
SJU6:25 amSan Juan Luis Munoz Marin Intl
14h 15m
2 stops
BOI6:40 pmBoise Air Term. Gowen Fld
$486
Southwest
Sep 2
BOI6:25 amBoise Air Term. Gowen Fld
12h 40m
2 stops
SJU9:05 pmSan Juan Luis Munoz Marin Intl
Sep 8
SJU11:50 amSan Juan Luis Munoz Marin Intl
13h 25m
2 stops
BOI11:15 pmBoise Air Term. Gowen Fld
$527

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 August 1, 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

Sat 9/19

1:50 pm-9:24 am

2 stops17h 34m

San Juan Luis Munoz Marin Intl

Wed 9/23

6:00 am-10:27 pm

2 stops18h 27m

$436

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Wed 9/16

1:52 pm-11:00 am

2 stops19h 08m

San Juan Luis Munoz Marin Intl

Sat 9/26

6:00 am-10:27 pm

2 stops18h 27m

$441

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sun 11/1

5:00 am-9:00 pm

2 stops13h 00m

San Juan Luis Munoz Marin Intl

Thu 11/5

2:21 pm-10:59 pm

1 stop11h 38m

$446

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 11/9

7:10 pm-11:50 am

2 stops13h 40m

San Juan Luis Munoz Marin Intl

Sat 11/14

8:05 am-6:03 pm

2 stops12h 58m

$446

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sun 11/1

8:30 pm-11:50 am

2 stops12h 20m

San Juan Luis Munoz Marin Intl

Thu 11/5

5:35 am-4:05 pm

2 stops13h 30m

$446
Quickest round-trip

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Fri 8/28

11:30 am-11:50 pm

2 stops10h 20m

San Juan Luis Munoz Marin Intl

Fri 9/4

5:30 am-4:15 pm

2 stops12h 45m

$456

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sun 1/24

4:05 pm-2:31 pm

2 stops19h 26m

San Juan Luis Munoz Marin Intl

Thu 2/4

7:00 am-11:52 pm

2 stops19h 52m

$536

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 1/18

7:30 pm-4:50 pm

2 stops18h 20m

San Juan Luis Munoz Marin Intl

Tue 2/9

3:20 pm-11:55 pm

1 stop11h 35m

$536

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Fri 1/22

7:20 am-10:22 pm

1 stop12h 02m

San Juan Luis Munoz Marin Intl

Sat 2/6

7:00 am-7:25 pm

1 stop15h 25m

$658

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Fri 1/22

7:20 am-10:22 pm

1 stop12h 02m

San Juan Luis Munoz Marin Intl

Tue 2/9

7:00 am-7:25 pm

1 stop15h 25m

$658

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

Prices are currently low for flights on this route.

Typical prices usually range from $508 to $638.
The lowest price recently found on this route was $436.

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 $553.

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

You could potentially save up to 8% 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?

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

9h 13m

Direct flights

None
The fastest flight from Boise to San Juan Luis Munoz Marin Intl Airport takes 9h 13m
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 9h 13m.

  • 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
7.8
8,497 reviews
Search Delta flights
United AirlinesPriceFrom $429Free CancellationRating
7.4
10,062 reviews
Search United Airlines flights
SouthwestPriceFrom $452Free CancellationRating
8.0
4,229 reviews
Search Southwest flights
American AirlinesPriceFrom $499Free CancellationRating
7.1
11,845 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
Rio Grande
Humacao
Caguas
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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