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Cheap flights from Idaho to Puerto Rico from $116

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 2/22. 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

Enter your travel dates to find the best prices.
Southwest Logo
5:20 pm - 10:30 amBOI-SJU
14h 10m2 stops
Southwest Logo
2:10 pm - 10:50 pmSJU-BOI
11h 40m2 stops
$395Southwest
Find Deal
dim., févr. 22 - sam., févr. 28
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
ven., févr. 27 - mer., mars 11
Delta Logo
7:17 pm - 12:58 pmGEG-SJU
13h 41m2 stops
Delta Logo
7:00 am - 8:56 pmSJU-GEG
17h 56m2 stops
$425Delta
Find Deal
dim., déc. 7 - jeu., déc. 11
American Airlines Logo
3:05 pm - 11:12 amGEG-SJU
16h 07m2 stops
American Airlines Logo
7:00 am - 9:43 pmSJU-GEG
18h 43m1 stop
$428American Airlines
Find Deal
lun., déc. 1 - sam., déc. 6
United Airlines Logo
6:20 am - 6:25 pmBOI-SJU
9h 05m1 stop
United Airlines Logo
8:30 am - 7:43 pmSJU-BOI
14h 13m2 stops
$431United Airlines
Find Deal
dim., déc. 7 - sam., déc. 13
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
$442American Airlines
Find Deal
dim., févr. 1 - mar., févr. 3
United Airlines Logo
7:00 am - 9:00 pmGEG-SJU
10h 00m1 stop
United Airlines Logo
1:05 am - 12:40 pmSJU-GEG
14h 35m2 stops
$459United Airlines
Find Deal
dim., mars 1 - mar., mars 10
Delta Logo
7:21 pm - 12:50 pmGEG-SJU
14h 29m2 stops
Delta Logo
12:50 pm - 12:19 amSJU-GEG
14h 29m2 stops
$525Delta
Find Deal
lun., avr. 20 - ven., mai 1
Multiple Airlines Logo
10:45 pm - 10:49 amBOI-SJU
33h 04m3 stops
Multiple Airlines Logo
11:54 am - 2:29 pmSJU-BOI
29h 35m3 stops
$552Multiple Airlines
Find Deal
ven., nov. 21 - mar., nov. 25
Multiple Airlines Logo
7:54 pm - 10:49 amGEG-SJU
34h 55m3 stops
Multiple Airlines Logo
5:15 pm - 8:23 pmSJU-GEG
31h 08m2 stops
$602Multiple Airlines
Find Deal
lun., déc. 1 - sam., déc. 6

Southwest flights from Idaho to Puerto Rico

Our best Southwest deals on Idaho to Puerto Rico flight tickets
Southwest
Feb 22
BOI5:20 pmBoise Air Term. Gowen Fld
14h 10m
2 stops
SJU10:30 amSan Juan Luis Munoz Marin Intl
Feb 28
SJU2:10 pmSan Juan Luis Munoz Marin Intl
11h 40m
2 stops
BOI10:50 pmBoise Air Term. Gowen Fld
$395
Find similar
Southwest
Feb 27
BOI5:20 pmBoise Air Term. Gowen Fld
13h 40m
2 stops
SJU10:00 amSan Juan Luis Munoz Marin Intl
Mar 11
SJU6:40 amSan Juan Luis Munoz Marin Intl
17h 40m
2 stops
BOI10:20 pmBoise Air Term. Gowen Fld
$413
Find similar
Southwest
Dec 5
BOI11:45 amBoise Air Term. Gowen Fld
9h 50m
2 stops
SJU12:35 amSan Juan Luis Munoz Marin Intl
Dec 12
SJU3:30 pmSan Juan Luis Munoz Marin Intl
12h 05m
2 stops
BOI12:35 amBoise Air Term. Gowen Fld
$490
Find similar

American Airlines flights from Idaho to Puerto Rico

Our best American Airlines deals on Idaho to Puerto Rico flight tickets
American Airlines
Dec 1
GEG3:05 pmSpokane
16h 07m
2 stops
SJU11:12 amSan Juan Luis Munoz Marin Intl
Dec 6
SJU7:00 amSan Juan Luis Munoz Marin Intl
18h 43m
1 stop
GEG9:43 pmSpokane
$428
Find similar
American Airlines
Feb 1
BOI7:20 amBoise Air Term. Gowen Fld
12h 06m
1 stop
SJU10:26 pmSan Juan Luis Munoz Marin Intl
Feb 3
SJU7:07 amSan Juan Luis Munoz Marin Intl
15h 18m
1 stop
BOI7:25 pmBoise Air Term. Gowen Fld
$442
Find similar
American Airlines
Jan 24
GEG6:00 amSpokane
13h 59m
2 stops
SJU11:59 pmSan Juan Luis Munoz Marin Intl
Feb 2
SJU7:07 amSan Juan Luis Munoz Marin Intl
15h 42m
1 stop
GEG6:49 pmSpokane
$465
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 novembre 6, 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

dim. 2/22

5:20 pm-10:30 am

2 stops14h 10m

San Juan Luis Munoz Marin Intl

sam. 2/28

2:10 pm-10:50 pm

2 stops11h 40m

$395

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

ven. 2/27

5:20 pm-10:00 am

2 stops13h 40m

San Juan Luis Munoz Marin Intl

mer. 3/11

6:40 am-10:20 pm

2 stops17h 40m

$413

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

dim. 12/7

7:17 pm-12:58 pm

2 stops13h 41m

San Juan Luis Munoz Marin Intl

jeu. 12/11

7:00 am-8:56 pm

2 stops17h 56m

$425

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

lun. 12/1

3:05 pm-11:12 am

2 stops16h 07m

San Juan Luis Munoz Marin Intl

sam. 12/6

7:00 am-9:43 pm

1 stop18h 43m

$428

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

dim. 12/7

6:20 am-6:25 pm

1 stop9h 05m

San Juan Luis Munoz Marin Intl

sam. 12/13

8:30 am-7:43 pm

2 stops14h 13m

$431

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

dim. 2/1

7:20 am-10:26 pm

1 stop12h 06m

San Juan Luis Munoz Marin Intl

mar. 2/3

7:07 am-7:25 pm

1 stop15h 18m

$442

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

dim. 3/1

7:00 am-9:00 pm

1 stop10h 00m

San Juan Luis Munoz Marin Intl

mar. 3/10

1:05 am-12:40 pm

2 stops14h 35m

$459

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

lun. 4/20

7:21 pm-12:50 pm

2 stops14h 29m

San Juan Luis Munoz Marin Intl

ven. 5/1

12:50 pm-12:19 am

2 stops14h 29m

$525

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

ven. 11/21

10:45 pm-10:49 am

3 stops33h 04m

San Juan Luis Munoz Marin Intl

mar. 11/25

11:54 am-2:29 pm

3 stops29h 35m

$552

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

lun. 12/1

7:54 pm-10:49 am

3 stops34h 55m

San Juan Luis Munoz Marin Intl

sam. 12/6

5:15 pm-8:23 pm

2 stops31h 08m

$602

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 $550.

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 $629 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 $444 on momondo.

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 $338Free CancellationRating
7.9
8,001 reviews
Search Delta flights
United AirlinesPriceFrom $449Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights
SouthwestPriceFrom $480Free CancellationRating
8.0
4,241 reviews
Search Southwest flights
American AirlinesPriceFrom $530Free CancellationRating
7.2
11,040 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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sam. 12/6
sam. 12/13
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