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Cheap flights from Idaho to Puerto Rico from $198

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 11/9. 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

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Find the cheapest flights from Idaho to Puerto Rico

Cheap round-trip flights

United Airlines Logo
6:15 am - 5:25 pmBOI-SJU
9h 10m1 stop
United Airlines Logo
7:10 am - 11:28 pmSJU-BOI
18h 18m2 stops
$395United Airlines
Find Deal
Mon, Oct 27 - Fri, Oct 31
Delta Logo
7:05 pm - 11:56 amGEG-SJU
13h 51m2 stops
Delta Logo
7:00 am - 10:48 pmSJU-GEG
18h 48m2 stops
$431Delta
Find Deal
Mon, Oct 13 - Thu, Oct 30
United Airlines Logo
6:20 am - 9:22 pmBOI-SJU
13h 02m2 stops
United Airlines Logo
1:05 am - 1:29 pmSJU-BOI
14h 24m2 stops
$432United Airlines
Find Deal
Mon, Oct 27 - Fri, Oct 31
American Airlines Logo
3:51 pm - 12:00 pmGEG-SJU
16h 09m2 stops
American Airlines Logo
6:45 am - 8:45 pmSJU-GEG
18h 00m1 stop
$470American Airlines
Find Deal
Sat, Jan 24 - Mon, Feb 2
Delta Logo
6:00 pm - 4:29 pmBOI-SJU
19h 29m2 stops
Delta Logo
7:30 am - 10:05 pmSJU-BOI
16h 35m2 stops
$483Delta
Find Deal
Sat, Mar 7 - Wed, Mar 11
Southwest Logo
8:45 pm - 1:15 pmBOI-SJU
13h 30m2 stops
Southwest Logo
5:45 am - 3:05 pmSJU-BOI
12h 20m2 stops
$490Southwest
Find Deal
Mon, Dec 1 - Fri, Dec 5
Southwest Logo
7:45 am - 11:10 pmBOI-SJU
12h 25m2 stops
Southwest Logo
7:00 am - 3:50 pmSJU-BOI
11h 50m2 stops
$535Southwest
Find Deal
Thu, Jan 22 - Sun, Feb 1
American Airlines Logo
3:55 pm - 9:36 amGEG-SJU
13h 41m2 stops
American Airlines Logo
12:50 pm - 11:04 pmSJU-GEG
14h 14m2 stops
$536American Airlines
Find Deal
Tue, Mar 3 - Wed, Mar 4
Alaska Airlines Logo
7:32 am - 10:14 pmBOI-SJU
11h 42m1 stop
Alaska Airlines Logo
6:45 am - 9:18 pmSJU-BOI
17h 33m1 stop
$695Alaska Airlines
Find Deal
Thu, Jan 22 - Sun, Feb 1
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
$715Alaska Airlines
Find Deal
Sun, Nov 30 - Thu, Dec 4

United Airlines flights from Idaho to Puerto Rico

Our best United Airlines deals on Idaho to Puerto Rico flight tickets
United Airlines
Oct 27
BOI6:15 amBoise Air Term. Gowen Fld
9h 10m
1 stop
SJU5:25 pmSan Juan Luis Munoz Marin Intl
Oct 31
SJU7:10 amSan Juan Luis Munoz Marin Intl
18h 18m
2 stops
BOI11:28 pmBoise Air Term. Gowen Fld
$395
Find similar
United Airlines
Oct 27
BOI6:20 amBoise Air Term. Gowen Fld
13h 02m
2 stops
SJU9:22 pmSan Juan Luis Munoz Marin Intl
Oct 31
SJU1:05 amSan Juan Luis Munoz Marin Intl
14h 24m
2 stops
BOI1:29 pmBoise Air Term. Gowen Fld
$432
Find similar
United Airlines
Jan 31
BOI2:37 pmBoise Air Term. Gowen Fld
12h 34m
2 stops
SJU6:11 amSan Juan Luis Munoz Marin Intl
Feb 7
SJU10:15 amSan Juan Luis Munoz Marin Intl
14h 08m
2 stops
BOI9:23 pmBoise Air Term. Gowen Fld
$496
Find similar

Delta flights from Idaho to Puerto Rico

Our best Delta deals on Idaho to Puerto Rico flight tickets
Delta
Oct 13
GEG7:05 pmSpokane
13h 51m
2 stops
SJU11:56 amSan Juan Luis Munoz Marin Intl
Oct 30
SJU7:00 amSan Juan Luis Munoz Marin Intl
18h 48m
2 stops
GEG10:48 pmSpokane
$431
Find similar
Delta
Mar 7
BOI6:00 pmBoise Air Term. Gowen Fld
19h 29m
2 stops
SJU4:29 pmSan Juan Luis Munoz Marin Intl
Mar 11
SJU7:30 amSan Juan Luis Munoz Marin Intl
16h 35m
2 stops
BOI10:05 pmBoise Air Term. Gowen Fld
$483
Find similar
Delta
Oct 17
BOI11:39 pmBoise Air Term. Gowen Fld
9h 57m
1 stop
SJU11:36 amSan Juan Luis Munoz Marin Intl
Oct 24
SJU1:06 pmSan Juan Luis Munoz Marin Intl
12h 53m
2 stops
BOI11:59 pmBoise Air Term. Gowen Fld
$540
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 September 22, 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

6:15 am-5:25 pm

1 stop9h 10m

San Juan Luis Munoz Marin Intl

Fri 10/31

7:10 am-11:28 pm

2 stops18h 18m

$395

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Mon 10/13

7:05 pm-11:56 am

2 stops13h 51m

San Juan Luis Munoz Marin Intl

Thu 10/30

7:00 am-10:48 pm

2 stops18h 48m

$431

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 10/27

6:20 am-9:22 pm

2 stops13h 02m

San Juan Luis Munoz Marin Intl

Fri 10/31

1:05 am-1:29 pm

2 stops14h 24m

$432

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Sat 1/24

3:51 pm-12:00 pm

2 stops16h 09m

San Juan Luis Munoz Marin Intl

Mon 2/2

6:45 am-8:45 pm

1 stop18h 00m

$470

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sat 3/7

6:00 pm-4:29 pm

2 stops19h 29m

San Juan Luis Munoz Marin Intl

Wed 3/11

7:30 am-10:05 pm

2 stops16h 35m

$483

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 12/1

8:45 pm-1:15 pm

2 stops13h 30m

San Juan Luis Munoz Marin Intl

Fri 12/5

5:45 am-3:05 pm

2 stops12h 20m

$490

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Thu 1/22

7:45 am-11:10 pm

2 stops12h 25m

San Juan Luis Munoz Marin Intl

Sun 2/1

7:00 am-3:50 pm

2 stops11h 50m

$535

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Tue 3/3

3:55 pm-9:36 am

2 stops13h 41m

San Juan Luis Munoz Marin Intl

Wed 3/4

12:50 pm-11:04 pm

2 stops14h 14m

$536

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Thu 1/22

7:32 am-10:14 pm

1 stop11h 42m

San Juan Luis Munoz Marin Intl

Sun 2/1

6:45 am-9:18 pm

1 stop17h 33m

$695

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sun 11/30

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

$715

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 September, then you should wait until October to fly from Idaho, when ticket prices are also cheap, with an average price of $504.

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 $631 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 $496 on momondo.

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

You could potentially save up to 39% 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

Direct flights

None
There are no direct flights from Idaho to Puerto Rico. There are no popular flight routes from Idaho to Puerto Rico.
Search flight deals

  • 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 $287Free CancellationRating
7.9
7,971 reviews
Search Delta flights
United AirlinesPriceFrom $484Free CancellationRating
7.4
8,922 reviews
Search United Airlines flights
SouthwestPriceFrom $495Free CancellationRating
8.0
4,244 reviews
Search Southwest flights
American AirlinesPriceFrom $530Free 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.
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Find better results for your trip to Puerto Rico

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