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?

United Airlines, 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 April 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.

$233 Cheap Flights from Idaho to Puerto Rico in 2026

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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.

5:40 am - 11:59 pm

BOI

SJU

16h 19m

2 stops

1:25 pm - 11:57 pm

SJU

BOI

12h 32m

2 stops

$466Delta

Sun, Apr 26 - Wed, Apr 29

5:30 am - 11:59 pm

GEG

SJU

15h 29m

2 stops

2:45 pm - 9:31 pm

SJU

GEG

9h 46m

1 stop

$466Delta

Sat, Apr 25 - Thu, Apr 30

6:00 am - 4:32 am

GEG

SJU

19h 32m

1 stop

6:45 am - 8:33 pm

SJU

GEG

16h 48m

1 stop

$481American Airlines

Sat, Apr 25 - Thu, Apr 30

5:05 am - 5:38 pm

GEG

SJU

9h 33m

1 stop

7:20 am - 9:11 pm

SJU

GEG

16h 51m

2 stops

$485United Airlines

Tue, Apr 14 - Sat, Apr 18

6:05 am - 9:25 pm

BOI

SJU

13h 20m

2 stops

5:05 am - 7:00 pm

SJU

BOI

15h 55m

2 stops

$486Southwest

Sat, May 2 - Tue, May 12

6:00 am - 11:02 pm

GEG

SJU

14h 02m

1 stop

6:45 am - 8:33 pm

SJU

GEG

16h 48m

1 stop

$494American Airlines

Sat, Apr 25 - Thu, Apr 30

11:39 pm - 12:01 pm

BOI

SJU

10h 22m

1 stop

6:15 am - 9:44 pm

SJU

BOI

17h 29m

2 stops

$496Delta

Sun, May 10 - Fri, May 15

5:05 am - 5:38 pm

GEG

SJU

9h 33m

1 stop

1:00 am - 12:40 pm

SJU

GEG

14h 40m

2 stops

$497United Airlines

Sun, Apr 12 - Wed, Apr 15

5:05 am - 11:50 pm

GEG

SJU

15h 45m

2 stops

7:00 am - 6:51 pm

SJU

GEG

14h 51m

2 stops

$500United Airlines

Thu, Apr 16 - Wed, Apr 22

11:00 am - 11:40 pm

BOI

SJU

10h 40m

2 stops

10:00 am - 9:55 pm

SJU

BOI

13h 55m

2 stops

$542Southwest

Sat, Apr 25 - Sat, May 2

Delta flights from Idaho to Puerto Rico

Our best Delta deals on Idaho to Puerto Rico flight tickets

Delta

Apr 25

GEG5:30 amSpokane

15h 29m

2 stops

SJU11:59 pmSan Juan Luis Munoz Marin Intl

Apr 30

SJU2:45 pmSan Juan Luis Munoz Marin Intl

9h 46m

1 stop

GEG9:31 pmSpokane

$466

Delta

May 10

BOI11:39 pmBoise Air Term. Gowen Fld

10h 22m

1 stop

SJU12:01 pmSan Juan Luis Munoz Marin Intl

May 15

SJU6:15 amSan Juan Luis Munoz Marin Intl

17h 29m

2 stops

BOI9:44 pmBoise Air Term. Gowen Fld

$496

Delta

Apr 13

GEG10:40 pmSpokane

10h 05m

1 stop

SJU11:45 amSan Juan Luis Munoz Marin Intl

Apr 17

SJU6:15 amSan Juan Luis Munoz Marin Intl

17h 47m

2 stops

GEG9:02 pmSpokane

$542

American Airlines flights from Idaho to Puerto Rico

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

American Airlines

Apr 25

GEG6:00 amSpokane

19h 32m

1 stop

SJU4:32 amSan Juan Luis Munoz Marin Intl

Apr 30

SJU6:45 amSan Juan Luis Munoz Marin Intl

16h 48m

1 stop

GEG8:33 pmSpokane

$481

American Airlines

Apr 25

GEG6:00 amSpokane

14h 02m

1 stop

SJU11:02 pmSan Juan Luis Munoz Marin Intl

Apr 30

SJU6:45 amSan Juan Luis Munoz Marin Intl

16h 48m

1 stop

GEG8:33 pmSpokane

$494

American Airlines

Apr 21

BOI6:00 amBoise Air Term. Gowen Fld

15h 02m

1 stop

SJU11:02 pmSan Juan Luis Munoz Marin Intl

Apr 28

SJU5:45 amSan Juan Luis Munoz Marin Intl

16h 33m

2 stops

BOI8:18 pmBoise Air Term. Gowen Fld

$506

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sun 4/26

5:40 am-11:59 pm

2 stops16h 19m

San Juan Luis Munoz Marin Intl

Wed 4/29

1:25 pm-11:57 pm

2 stops12h 32m

$466

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Sat 4/25

5:30 am-11:59 pm

2 stops15h 29m

San Juan Luis Munoz Marin Intl

Thu 4/30

2:45 pm-9:31 pm

1 stop9h 46m

$466

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Sat 4/25

6:00 am-4:32 am

1 stop19h 32m

San Juan Luis Munoz Marin Intl

Thu 4/30

6:45 am-8:33 pm

1 stop16h 48m

$481

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Tue 4/14

5:05 am-5:38 pm

1 stop9h 33m

San Juan Luis Munoz Marin Intl

Sat 4/18

7:20 am-9:11 pm

2 stops16h 51m

$485

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sat 5/2

6:05 am-9:25 pm

2 stops13h 20m

San Juan Luis Munoz Marin Intl

Tue 5/12

5:05 am-7:00 pm

2 stops15h 55m

$486

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Sat 4/25

6:00 am-11:02 pm

1 stop14h 02m

San Juan Luis Munoz Marin Intl

Thu 4/30

6:45 am-8:33 pm

1 stop16h 48m

$494

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sun 5/10

11:39 pm-12:01 pm

1 stop10h 22m

San Juan Luis Munoz Marin Intl

Fri 5/15

6:15 am-9:44 pm

2 stops17h 29m

$496

Quickest round-trip

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Sun 4/12

5:05 am-5:38 pm

1 stop9h 33m

San Juan Luis Munoz Marin Intl

Wed 4/15

1:00 am-12:40 pm

2 stops14h 40m

$497

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Thu 4/16

5:05 am-11:50 pm

2 stops15h 45m

San Juan Luis Munoz Marin Intl

Wed 4/22

7:00 am-6:51 pm

2 stops14h 51m

$500

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sat 4/25

11:00 am-11:40 pm

2 stops10h 40m

San Juan Luis Munoz Marin Intl

Sat 5/2

10:00 am-9:55 pm

2 stops13h 55m

$542

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 September, then you should wait until January to fly from Idaho, when ticket prices are also cheap, with an average price of $554.

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

Fastest flight time	9h 33m
Direct flights	None

The fastest flight from Idaho to Puerto Rico takes 9h 33m

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 April 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 $208	Free Cancellation	Rating 7.9 8,368 reviews	Search Delta flights
United Airlines	PriceFrom $442	Free Cancellation	Rating 7.4 9,529 reviews	Search United Airlines flights
Southwest	PriceFrom $473	Free Cancellation	Rating 8.0 4,335 reviews	Search Southwest flights
American Airlines	PriceFrom $499	Free Cancellation	Rating 7.1 11,544 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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Popular cities

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Airlines

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Complete your trip

Feeling lucky

Popular cities in Puerto Rico

Flights to San Juanfrom $99

Flights to Aguadillafrom $191

Flights to Poncefrom $176

Flights to Mayagüezfrom $363

Flights to Culebrafrom $403

Cheap flights from Idaho to Puerto Rico from $233

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 5/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

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Filter for what you want

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Delta flights from Idaho to Puerto Rico

Our best Delta deals on Idaho to Puerto Rico flight tickets

American Airlines flights from Idaho to Puerto Rico

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

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

What is the cheapest month to fly to Puerto Rico?

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

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

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