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Cheap flights from Idaho to Puerto Rico from $146

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Puerto Rico departing on 10/18. 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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Find the cheapest flights from Idaho to Puerto Rico

Cheap round-trip flights

Spirit Airlines Logo
8:58 pm - 6:34 pmBOI-SJU
19h 36m2 stops
Spirit Airlines Logo
7:40 pm - 1:21 pmSJU-BOI
19h 41m2 stops
$370Spirit Airlines
Find Deal
Mon, Oct 27 - Fri, Oct 31
Delta Logo
4:46 pm - 12:00 pmBOI-SJU
17h 14m2 stops
Delta Logo
7:15 am - 11:59 pmSJU-BOI
18h 44m2 stops
$375Delta
Find Deal
Tue, Oct 21 - Tue, Oct 28
American Airlines Logo
1:57 pm - 11:11 amBOI-SJU
19h 14m2 stops
American Airlines Logo
7:05 pm - 12:27 pmSJU-BOI
19h 22m2 stops
$415American Airlines
Find Deal
Sat, Sep 6 - Sat, Sep 13
American Airlines Logo
3:10 pm - 11:06 amGEG-SJU
16h 56m2 stops
American Airlines Logo
3:10 pm - 10:20 pmSJU-GEG
10h 10m1 stop
$415American Airlines
Find Deal
Mon, Oct 13 - Thu, Oct 30
Logo
9:55 am - 11:57 pmGEG-SJU
35h 02m3 stops
Logo
10:10 am - 2:18 pmSJU-GEG
31h 08m3 stops
$458
Find Deal
Fri, Aug 15 - Sat, Aug 23
United Airlines Logo
6:15 am - 5:25 pmBOI-SJU
9h 10m1 stop
United Airlines Logo
6:45 am - 6:54 pmSJU-BOI
14h 09m2 stops
$465United Airlines
Find Deal
Mon, Oct 27 - Fri, Oct 31
United Airlines Logo
7:00 am - 5:30 pmBOI-SJU
8h 30m1 stop
United Airlines Logo
1:05 am - 11:31 amSJU-BOI
12h 26m2 stops
$483United Airlines
Find Deal
Sat, Sep 6 - Fri, Sep 12
Logo
9:55 am - 6:40 pmGEG-SJU
29h 45m2 stops
Logo
10:10 am - 2:18 pmSJU-GEG
31h 08m3 stops
$511
Find Deal
Fri, Aug 15 - Sat, Aug 23
Alaska Airlines Logo
1:32 pm - 5:05 amBOI-SJU
12h 33m1 stop
Alaska Airlines Logo
8:09 am - 9:24 pmSJU-BOI
16h 15m1 stop
$620Alaska Airlines
Find Deal
Fri, Nov 28 - Tue, Dec 9
Alaska Airlines Logo
1:34 pm - 5:05 amBOI-SJU
12h 31m1 stop
Alaska Airlines Logo
1:30 am - 12:34 pmSJU-BOI
14h 04m1 stop
$668Alaska Airlines
Find Deal
Tue, Dec 30 - Mon, Jan 5

American Airlines flights from Idaho to Puerto Rico

Our best American Airlines deals on Idaho to Puerto Rico flight tickets
American Airlines
Sep 6
BOI1:57 pmBoise Air Term. Gowen Fld
19h 14m
2 stops
SJU11:11 amSan Juan Luis Munoz Marin Intl
Sep 13
SJU7:05 pmSan Juan Luis Munoz Marin Intl
19h 22m
2 stops
BOI12:27 pmBoise Air Term. Gowen Fld
$415
Find similar
American Airlines
Aug 22
BOI6:35 amBoise Air Term. Gowen Fld
15h 24m
2 stops
SJU11:59 pmSan Juan Luis Munoz Marin Intl
Aug 26
SJU6:00 amSan Juan Luis Munoz Marin Intl
16h 10m
2 stops
BOI8:10 pmBoise Air Term. Gowen Fld
$490
Find similar
American Airlines
Aug 17
BOI6:35 amBoise Air Term. Gowen Fld
15h 24m
2 stops
SJU11:59 pmSan Juan Luis Munoz Marin Intl
Aug 23
SJU8:00 amSan Juan Luis Munoz Marin Intl
14h 10m
2 stops
BOI8:10 pmBoise Air Term. Gowen Fld
$500
Find similar

Spirit Airlines flights from Idaho to Puerto Rico

Our best Spirit Airlines deals on Idaho to Puerto Rico flight tickets
Spirit Airlines
Oct 27
BOI8:58 pmBoise Air Term. Gowen Fld
19h 36m
2 stops
SJU6:34 pmSan Juan Luis Munoz Marin Intl
Oct 31
SJU7:40 pmSan Juan Luis Munoz Marin Intl
19h 41m
2 stops
BOI1:21 pmBoise Air Term. Gowen Fld
$370
Find similar
Spirit Airlines
Sep 6
BOI2:16 pmBoise Air Term. Gowen Fld
21h 27m
2 stops
SJU1:43 pmSan Juan Luis Munoz Marin Intl
Sep 12
SJU1:59 amSan Juan Luis Munoz Marin Intl
37h 22m
2 stops
BOI1:21 pmBoise Air Term. Gowen Fld
$487
Find similar
Spirit Airlines
Sep 6
BOI2:16 pmBoise Air Term. Gowen Fld
21h 37m
2 stops
SJU1:53 pmSan Juan Luis Munoz Marin Intl
Sep 12
SJU1:59 amSan Juan Luis Munoz Marin Intl
37h 22m
2 stops
BOI1:21 pmBoise Air Term. Gowen Fld
$492
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Idaho to Puerto Rico 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 July 31, 2025.
Use the filters below to find and compare flights from Idaho to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 10/27

8:58 pm-6:34 pm

2 stops19h 36m

San Juan Luis Munoz Marin Intl

Fri 10/31

7:40 pm-1:21 pm

2 stops19h 41m

$370

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

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Mon 10/13

3:10 pm-11:06 am

2 stops16h 56m

San Juan Luis Munoz Marin Intl

Thu 10/30

3:10 pm-10:20 pm

1 stop10h 10m

$415

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Fri 8/15

9:55 am-11:57 pm

3 stops35h 02m

San Juan Luis Munoz Marin Intl

Sat 8/23

10:10 am-2:18 pm

3 stops31h 08m

$458

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 10/27

6:15 am-5:25 pm

1 stop9h 10m

San Juan Luis Munoz Marin Intl

Fri 10/31

6:45 am-6:54 pm

2 stops14h 09m

$465

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sat 9/6

7:00 am-5:30 pm

1 stop8h 30m

San Juan Luis Munoz Marin Intl

Fri 9/12

1:05 am-11:31 am

2 stops12h 26m

$483

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Fri 8/15

9:55 am-6:40 pm

2 stops29h 45m

San Juan Luis Munoz Marin Intl

Sat 8/23

10:10 am-2:18 pm

3 stops31h 08m

$511

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

Tue 12/30

1:34 pm-5:05 am

1 stop12h 31m

San Juan Luis Munoz Marin Intl

Mon 1/5

1:30 am-12:34 pm

1 stop14h 04m

$668

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 Puerto Rico from

How to get the cheapest flight ticket from Idaho to Puerto Rico

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 Puerto Rico?

If you don’t want to visit Puerto Rico in October, then you should wait until September to fly from Idaho, when ticket prices are also cheap, with an average price of $514.

What is the cheapest day to depart on your flight to Puerto Rico?

On average, the least expensive day to fly to Puerto Rico from Idaho 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. The most expensive day to fly to Puerto Rico is Saturday, with ticket prices averaging around $844.

What is the cheapest time of day to depart on your flight to Puerto Rico?

Our most recent data shows that the best time of day to fly to Puerto Rico is in the evening. Flights from Idaho to Puerto Rico during this time can be as low as $503. In contrast, the most expensive time of day to depart to Puerto Rico is in the morning when prices are around $699.

How far in advance should I book a flight to Puerto Rico?

You are more likely to see cheaper flights to Puerto Rico from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to Puerto Rico for around $630 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Puerto Rico from Idaho for as low as $483 on momondo.

Can stopping save me money on Idaho to Puerto Rico flights?

You could potentially save up to 18% on your flight if you consider stops on a Idaho to Puerto Rico flight.

Cheap Idaho to Puerto Rico flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Puerto Rico

Best Price Found

$146

Fastest flight time

8h 25m

Direct flights

None

Airports in Puerto Rico

1 airport
The best one-way flight to Puerto Rico from Idaho in the past 72 hours is $146. The best round-trip flight deal from Idaho to Puerto Rico found on momondo in the last 72 hours is $370.
The fastest flight from Idaho to Puerto Rico takes 8h 25m
There are no direct flights from Idaho to Puerto Rico. Popular non-direct routes for this connection are Boise Air Term. Gowen Fld Airport - San Juan Luis Munoz Marin Intl Airport and Spokane Airport - San Juan Luis Munoz Marin Intl Airport.
There is 1 airport near Puerto Rico: San Juan Luis Munoz Marin Intl (SJU)
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  • When did momondo last update prices for flights from Idaho to Puerto Rico?

    Prices for flights from Idaho to Puerto Rico refresh daily.

  • How many operators does momondo search for flights from Idaho to Puerto Rico?

  • How old do you have to be to fly from Idaho to Puerto Rico?

    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 Idaho to Puerto Rico.

  • What documentation or ID do you need to fly to Puerto Rico?

    The necessary travel and health documents for your Puerto Rico 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.

Best airlines flying from Idaho to Puerto Rico

Compare and see reviews for airlines that fly from Idaho to Puerto Rico with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $384Free CancellationRating
8.0
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $490Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
SouthwestPriceFrom $501Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
American AirlinesPriceFrom $570Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to Puerto Rico?

Finding the right flight to Puerto Rico from Idaho 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 Puerto Rico quick and easy, saving you time and money.

Can I find flights from Idaho to Puerto Rico with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Idaho to Puerto Rico flights to just show those with flexible booking policies.

How can momondo help me find flights from Idaho to Puerto Rico?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Idaho to Puerto Rico.

I’m not ready to book a flight from Idaho to Puerto Rico right now. Can momondo alert me if prices change?

Price alerts on flights to Puerto Rico from Idaho 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.

An easier way to manage your Puerto Rico trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
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Find better results for your trip to Puerto Rico

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