What airlines fly to Puerto Rico?

United Airlines, Southwest and Delta are the top three most popular airlines that fly to Puerto Rico from Idaho according to our data. United Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Puerto Rico. Keep in mind that there are 4 different airlines that fly to Puerto Rico on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Idaho to Puerto Rico?

Southwest, American Airlines, and Delta are the most popular carriers operating from Idaho to Puerto Rico

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?

As of August 2026, there are 4 operators available to choose from 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.

$248 Cheap Flights from Idaho to Puerto Rico in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Idaho to Puerto Rico

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:14 pm - 10:44 amBOI Boise Air Term. Gowen Fld-SJU San Juan Luis Munoz Marin Intl

20h 30m2 stops Dallas/Fort Worth Miami

6:28 am - 7:24 pmSJU San Juan Luis Munoz Marin Intl-BOI Boise Air Term. Gowen Fld

15h 56m2 stops Charlotte Douglas Phoenix Sky Harbor Intl

$446American Airlines

Sat, Oct 31 - Sat, Nov 14

2:02 pm - 11:31 amBOI Boise Air Term. Gowen Fld-SJU San Juan Luis Munoz Marin Intl

19h 29m2 stops Phoenix Sky Harbor Intl Miami

6:00 am - 1:51 pmSJU San Juan Luis Munoz Marin Intl-BOI Boise Air Term. Gowen Fld

9h 51m1 stop Dallas/Fort Worth

$446American Airlines

Tue, Oct 13 - Sat, Oct 17

6:25 am - 10:05 pmBOI Boise Air Term. Gowen Fld-SJU San Juan Luis Munoz Marin Intl

13h 40m2 stops San Diego Orlando

1:20 pm - 11:15 pmSJU San Juan Luis Munoz Marin Intl-BOI Boise Air Term. Gowen Fld

11h 55m2 stops Tampa Denver Intl

$496Southwest

Tue, Sep 15 - Tue, Sep 22

6:25 am - 10:05 pmBOI Boise Air Term. Gowen Fld-SJU San Juan Luis Munoz Marin Intl

13h 40m2 stops San Diego Orlando

1:20 pm - 11:15 pmSJU San Juan Luis Munoz Marin Intl-BOI Boise Air Term. Gowen Fld

11h 55m2 stops Tampa Denver Intl

$496Southwest

Tue, Sep 15 - Tue, Sep 22

5:10 am - 11:49 pmGEG Spokane-SJU San Juan Luis Munoz Marin Intl

15h 39m2 stops Seattle/Tacoma Intl New York John F Kennedy Intl

7:00 am - 10:54 pmSJU San Juan Luis Munoz Marin Intl-GEG Spokane

18h 54m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul

$538Delta

Tue, Sep 15 - Wed, Sep 23

5:10 am - 11:49 pmGEG Spokane-SJU San Juan Luis Munoz Marin Intl

15h 39m2 stops Seattle/Tacoma Intl New York John F Kennedy Intl

2:59 pm - 9:37 pmSJU San Juan Luis Munoz Marin Intl-GEG Spokane

9h 38m1 stop Atlanta Hartsfield-Jackson

$538Delta

Tue, Sep 15 - Fri, Sep 25

5:00 am - 5:25 pmBOI Boise Air Term. Gowen Fld-SJU San Juan Luis Munoz Marin Intl

10h 25m1 stop Denver Intl

2:05 am - 1:45 pmSJU San Juan Luis Munoz Marin Intl-BOI Boise Air Term. Gowen Fld

14h 40m2 stops Newark Denver Intl

$538United Airlines

Sat, Oct 31 - Fri, Nov 13

6:50 pm - 12:34 pmBOI Boise Air Term. Gowen Fld-SJU San Juan Luis Munoz Marin Intl

15h 44m2 stops San Francisco Washington, D.C. Dulles Intl

1:00 am - 11:28 amSJU San Juan Luis Munoz Marin Intl-BOI Boise Air Term. Gowen Fld

12h 28m2 stops Newark Chicago O'Hare Intl

$538United Airlines

Tue, Oct 13 - Fri, Oct 16

7:00 am - 12:16 amBOI Boise Air Term. Gowen Fld-SJU San Juan Luis Munoz Marin Intl

14h 16m1 stop Dallas/Fort Worth

6:50 am - 10:32 pmSJU San Juan Luis Munoz Marin Intl-BOI Boise Air Term. Gowen Fld

18h 42m1 stop Dallas/Fort Worth

$678Alaska Airlines

Fri, Jan 29 - Sat, Feb 6

7:00 am - 12:16 amBOI Boise Air Term. Gowen Fld-SJU San Juan Luis Munoz Marin Intl

14h 16m1 stop Dallas/Fort Worth

6:50 am - 10:32 pmSJU San Juan Luis Munoz Marin Intl-BOI Boise Air Term. Gowen Fld

18h 42m1 stop Dallas/Fort Worth

$678Alaska Airlines

Fri, Jan 29 - Sat, Feb 6

Cheap last minute flights

Enter your travel dates to find the best prices.

12:44 pm - 9:43 amGEG Spokane-SJU San Juan Luis Munoz Marin Intl

17h 59m2 stops Dallas/Fort Worth Miami

6:00 am - 8:42 pmSJU San Juan Luis Munoz Marin Intl-GEG Spokane

17h 42m2 stops Miami Dallas/Fort Worth

$662American Airlines

Sat, Aug 22 - Sat, Aug 29

12:44 pm - 9:43 amGEG Spokane-SJU San Juan Luis Munoz Marin Intl

17h 59m2 stops Dallas/Fort Worth Miami

12:55 am - 1:37 pmSJU San Juan Luis Munoz Marin Intl-GEG Spokane

15h 42m1 stop Chicago O'Hare Intl

$662American Airlines

Sat, Aug 22 - Fri, Aug 28

12:44 pm - 9:43 amGEG Spokane-SJU San Juan Luis Munoz Marin Intl

17h 59m2 stops Dallas/Fort Worth Miami

12:55 am - 1:37 pmSJU San Juan Luis Munoz Marin Intl-GEG Spokane

15h 42m1 stop Chicago O'Hare Intl

$669American Airlines

Sat, Aug 22 - Fri, Aug 28

12:44 pm - 9:43 amGEG Spokane-SJU San Juan Luis Munoz Marin Intl

17h 59m2 stops Dallas/Fort Worth Miami

6:00 am - 8:42 pmSJU San Juan Luis Munoz Marin Intl-GEG Spokane

17h 42m2 stops Miami Dallas/Fort Worth

$669American Airlines

Sat, Aug 22 - Sat, Aug 29

5:00 am - 5:38 pmGEG Spokane-SJU San Juan Luis Munoz Marin Intl

9h 38m1 stop Denver Intl

2:00 pm - 8:46 pmSJU San Juan Luis Munoz Marin Intl-GEG Spokane

9h 46m1 stop Denver Intl

$679United Airlines

Sat, Aug 22 - Sat, Aug 29

5:00 am - 5:38 pmGEG Spokane-SJU San Juan Luis Munoz Marin Intl

9h 38m1 stop Denver Intl

2:00 pm - 8:46 pmSJU San Juan Luis Munoz Marin Intl-GEG Spokane

9h 46m1 stop Denver Intl

$679United Airlines

Sat, Aug 22 - Sat, Aug 29

5:00 am - 5:38 pmGEG Spokane-SJU San Juan Luis Munoz Marin Intl

9h 38m1 stop Denver Intl

2:00 pm - 8:46 pmSJU San Juan Luis Munoz Marin Intl-GEG Spokane

9h 46m1 stop Denver Intl

$724United Airlines

Sat, Aug 22 - Sat, Aug 29

5:12 am - 10:54 pmGEG Spokane-SJU San Juan Luis Munoz Marin Intl

14h 42m2 stops Portland Chicago O'Hare Intl

12:55 am - 4:20 pmSJU San Juan Luis Munoz Marin Intl-GEG Spokane

18h 25m3 stops Chicago O'Hare Intl San Diego Boise Air Term. Gowen Fld

$1,256Alaska Airlines

Sat, Aug 22 - Fri, Aug 28

5:12 am - 10:54 pmGEG Spokane-SJU San Juan Luis Munoz Marin Intl

14h 42m2 stops Portland Chicago O'Hare Intl

12:55 am - 4:20 pmSJU San Juan Luis Munoz Marin Intl-GEG Spokane

18h 25m3 stops Chicago O'Hare Intl San Diego Boise Air Term. Gowen Fld

$1,256Alaska Airlines

Sat, Aug 22 - Fri, Aug 28

3:44 pm - 11:15 pmGEG Spokane-SJU San Juan Luis Munoz Marin Intl

28h 31m3 stops Seattle/Tacoma Intl San Diego Chicago O'Hare Intl

12:55 am - 5:41 pmSJU San Juan Luis Munoz Marin Intl-GEG Spokane

19h 46m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

$1,270Alaska Airlines

Sat, Aug 22 - Fri, Aug 28

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American Airlines flights from Idaho to Puerto Rico

Our best American Airlines deals on Idaho to Puerto Rico flight tickets

American Airlines

Oct 13

BOI2:02 pmBoise Air Term. Gowen Fld

19h 29m

2 stops

SJU11:31 amSan Juan Luis Munoz Marin Intl

Oct 17

SJU6:00 amSan Juan Luis Munoz Marin Intl

9h 51m

1 stop

BOI1:51 pmBoise Air Term. Gowen Fld

$446

American Airlines

Oct 13

BOI2:02 pmBoise Air Term. Gowen Fld

17h 44m

2 stops

SJU9:46 amSan Juan Luis Munoz Marin Intl

Oct 17

SJU6:00 amSan Juan Luis Munoz Marin Intl

13h 04m

2 stops

BOI5:04 pmBoise Air Term. Gowen Fld

$481

American Airlines

Oct 7

BOI5:29 pmBoise Air Term. Gowen Fld

14h 17m

2 stops

SJU9:46 amSan Juan Luis Munoz Marin Intl

Oct 16

SJU6:00 amSan Juan Luis Munoz Marin Intl

9h 51m

1 stop

BOI1:51 pmBoise Air Term. Gowen Fld

$543

United Airlines flights from Idaho to Puerto Rico

Our best United Airlines deals on Idaho to Puerto Rico flight tickets

United Airlines

Oct 6

GEG5:00 amSpokane

9h 38m

1 stop

SJU5:38 pmSan Juan Luis Munoz Marin Intl

Oct 10

SJU2:00 pmSan Juan Luis Munoz Marin Intl

9h 49m

1 stop

GEG8:49 pmSpokane

$558

United Airlines

Oct 24

GEG5:00 amSpokane

15h 50m

2 stops

SJU11:50 pmSan Juan Luis Munoz Marin Intl

Oct 27

SJU1:05 amSan Juan Luis Munoz Marin Intl

14h 24m

2 stops

GEG12:29 pmSpokane

$586

United Airlines

Jan 14

GEG5:00 amSpokane

9h 25m

1 stop

SJU6:25 pmSan Juan Luis Munoz Marin Intl

Jan 20

SJU2:05 amSan Juan Luis Munoz Marin Intl

14h 13m

2 stops

GEG12:18 pmSpokane

$587

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseSan Juan

BOI Boise Air Term. Gowen Fld - SJU San Juan Luis Munoz Marin Intl

BOISJU

Boise Air Term. Gowen Fld

Sat 10/31

12:14 pm-10:44 am

2 stops20h 30m

San Juan Luis Munoz Marin Intl

Sat 11/14

6:28 am-7:24 pm

2 stops15h 56m

$446

BoiseSan Juan

BOI Boise Air Term. Gowen Fld - SJU San Juan Luis Munoz Marin Intl

BOISJU

Boise Air Term. Gowen Fld

Tue 10/13

2:02 pm-11:31 am

2 stops19h 29m

San Juan Luis Munoz Marin Intl

Sat 10/17

6:00 am-1:51 pm

1 stop9h 51m

$446

BoiseSan Juan

BOI Boise Air Term. Gowen Fld - SJU San Juan Luis Munoz Marin Intl

BOISJU

Boise Air Term. Gowen Fld

Tue 9/15

6:25 am-10:05 pm

2 stops13h 40m

San Juan Luis Munoz Marin Intl

Tue 9/22

1:20 pm-11:15 pm

2 stops11h 55m

$496

BoiseSan Juan

BOI Boise Air Term. Gowen Fld - SJU San Juan Luis Munoz Marin Intl

BOISJU

Boise Air Term. Gowen Fld

Tue 9/15

6:25 am-10:05 pm

2 stops13h 40m

San Juan Luis Munoz Marin Intl

Tue 9/22

1:20 pm-11:15 pm

2 stops11h 55m

$496

SpokaneSan Juan

GEG Spokane - SJU San Juan Luis Munoz Marin Intl

GEGSJU

Spokane

Tue 9/15

5:10 am-11:49 pm

2 stops15h 39m

San Juan Luis Munoz Marin Intl

Wed 9/23

7:00 am-10:54 pm

2 stops18h 54m

$538

SpokaneSan Juan

GEG Spokane - SJU San Juan Luis Munoz Marin Intl

GEGSJU

Spokane

Tue 9/15

5:10 am-11:49 pm

2 stops15h 39m

San Juan Luis Munoz Marin Intl

Fri 9/25

2:59 pm-9:37 pm

1 stop9h 38m

$538

Quickest round-trip

BoiseSan Juan

BOI Boise Air Term. Gowen Fld - SJU San Juan Luis Munoz Marin Intl

BOISJU

Boise Air Term. Gowen Fld

Sat 10/31

5:00 am-5:25 pm

1 stop10h 25m

San Juan Luis Munoz Marin Intl

Fri 11/13

2:05 am-1:45 pm

2 stops14h 40m

$538

BoiseSan Juan

BOI Boise Air Term. Gowen Fld - SJU San Juan Luis Munoz Marin Intl

BOISJU

Boise Air Term. Gowen Fld

Tue 10/13

6:50 pm-12:34 pm

2 stops15h 44m

San Juan Luis Munoz Marin Intl

Fri 10/16

1:00 am-11:28 am

2 stops12h 28m

$538

BoiseSan Juan

BOI Boise Air Term. Gowen Fld - SJU San Juan Luis Munoz Marin Intl

BOISJU

Boise Air Term. Gowen Fld

Fri 1/29

7:00 am-12:16 am

1 stop14h 16m

San Juan Luis Munoz Marin Intl

Sat 2/6

6:50 am-10:32 pm

1 stop18h 42m

$678

BoiseSan Juan

BOI Boise Air Term. Gowen Fld - SJU San Juan Luis Munoz Marin Intl

BOISJU

Boise Air Term. Gowen Fld

Fri 1/29

7:00 am-12:16 am

1 stop14h 16m

San Juan Luis Munoz Marin Intl

Sat 2/6

6:50 am-10:32 pm

1 stop18h 42m

$678

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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 $556.

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

You could potentially save up to 40% 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	$248
Fastest flight time	8h 56m
Direct flights	None

The best one-way flight to Puerto Rico from Idaho in the past 72 hours is $248. The best round-trip flight deal from Idaho to Puerto Rico found on momondo in the last 72 hours is $446.

The fastest flight from Idaho to Puerto Rico takes 8h 56m

There are no direct flights from Idaho to Puerto Rico. There are no popular flight routes from Idaho to Puerto Rico.

Search flight deals

Frequently asked questions about flying from Idaho to Puerto Rico

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?
As of August 2026, there are 4 operators available to choose from 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
Delta	PriceFrom $368	Free Cancellation	Rating 7.8 8,499 reviews	Search Delta flights
United Airlines	PriceFrom $429	Free Cancellation	Rating 7.4 10,104 reviews	Search United Airlines flights
Southwest	PriceFrom $473	Free Cancellation	Rating 8.0 4,219 reviews	Search Southwest flights
American Airlines	PriceFrom $499	Free Cancellation	Rating 7.1 11,961 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

Popular cities

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Complete your trip

Feeling lucky

Popular cities in Puerto Rico

Flights to San Juanfrom $94

Flights to Aguadillafrom $238

Flights to Poncefrom $228

Flights to Viequesfrom $540

Flights to Culebrafrom $463

Flights to Mayagüezfrom $318

Cheap flights from Idaho to Puerto Rico from $248

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 9/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Idaho to Puerto Rico

Cheap round-trip flights

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Cheap last minute flights

Big names and deals

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Filter for what you want

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American Airlines flights from Idaho to Puerto Rico

Our best American Airlines deals on Idaho to Puerto Rico flight tickets

United Airlines flights from Idaho to Puerto Rico

Our best United Airlines deals on Idaho to Puerto Rico flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Idaho to Puerto Rico that are best for you.

See travel insights to Puerto Rico from

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

What is the cheapest month to fly to Puerto Rico?

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

What is the cheapest airline that flies from Idaho to Puerto Rico?

What airlines fly to Puerto Rico?

Cheap Idaho to Puerto Rico flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Idaho to Puerto Rico

Best airlines flying from Idaho to Puerto Rico

Compare and see reviews for airlines that fly from Idaho to Puerto Rico with momondo

Why use momondo?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Puerto Rico

Popular cities in Puerto Rico

Popular flights according to clicks in the last 7 days on momondo

Idaho flight routes

According to popular flight searches on momondo this year

Puerto Rico flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Puerto Rico

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Puerto Rico

List of cabin classes available on flights landing in Puerto Rico. Availability may vary depending on flight origin and airline.

Complete your trip to Puerto Rico

Explore popular destinations other users love

According to popular flight searches on momondo this year