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 37% 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?

American Airlines, Southwest, and United Airlines 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 May 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.

$299 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.

8:25 am - 10:29 pm

BOI

SJU

12h 04m

2 stops

12:56 pm - 11:59 pm

SJU

BOI

13h 03m

2 stops

$526Delta

Thu, Aug 20 - Wed, Aug 26

6:30 am - 8:05 pm

BOI

SJU

11h 35m

2 stops

11:35 am - 10:35 pm

SJU

BOI

13h 00m

2 stops

$536Southwest

Mon, Aug 31 - Mon, Sep 14

12:10 pm - 11:33 pm

BOI

SJU

9h 23m

1 stop

6:44 am - 10:03 pm

SJU

BOI

18h 19m

1 stop

$542American Airlines

Tue, Oct 27 - Tue, Nov 3

5:40 pm - 11:56 am

GEG

SJU

15h 16m

2 stops

2:31 pm - 9:37 pm

SJU

GEG

10h 06m

1 stop

$542Delta

Mon, Oct 19 - Mon, Oct 26

12:17 pm - 9:43 am

BOI

SJU

19h 26m

2 stops

12:59 am - 2:14 pm

SJU

BOI

15h 15m

1 stop

$547American Airlines

Wed, Aug 19 - Tue, Aug 25

6:30 am - 5:38 pm

BOI

SJU

9h 08m

1 stop

1:00 am - 11:32 am

SJU

BOI

12h 32m

2 stops

$550United Airlines

Mon, Jun 29 - Fri, Jul 3

1:54 pm - 9:43 am

BOI

SJU

17h 49m

2 stops

10:33 am - 10:58 pm

SJU

BOI

14h 25m

2 stops

$552American Airlines

Sun, Aug 9 - Thu, Aug 13

5:35 pm - 10:50 am

GEG

SJU

14h 15m

2 stops

6:00 am - 4:55 pm

SJU

GEG

13h 55m

2 stops

$552Southwest

Fri, Aug 7 - Mon, Aug 10

6:25 am - 10:15 pm

BOI

SJU

13h 50m

2 stops

9:55 am - 10:10 pm

SJU

BOI

14h 15m

2 stops

$561Southwest

Tue, Oct 13 - Tue, Oct 20

1:41 pm - 5:29 am

GEG

SJU

12h 48m

2 stops

1:40 pm - 9:05 pm

SJU

GEG

10h 25m

1 stop

$573United Airlines

Fri, Aug 7 - Mon, Aug 10

Delta flights from Idaho to Puerto Rico

Our best Delta deals on Idaho to Puerto Rico flight tickets

Delta

Aug 20

BOI8:25 amBoise Air Term. Gowen Fld

12h 04m

2 stops

SJU10:29 pmSan Juan Luis Munoz Marin Intl

Aug 26

SJU12:56 pmSan Juan Luis Munoz Marin Intl

13h 03m

2 stops

BOI11:59 pmBoise Air Term. Gowen Fld

$526

Delta

Oct 19

GEG5:40 pmSpokane

15h 16m

2 stops

SJU11:56 amSan Juan Luis Munoz Marin Intl

Oct 26

SJU2:31 pmSan Juan Luis Munoz Marin Intl

10h 06m

1 stop

GEG9:37 pmSpokane

$542

Delta

Aug 17

BOI6:49 amBoise Air Term. Gowen Fld

13h 40m

2 stops

SJU10:29 pmSan Juan Luis Munoz Marin Intl

Aug 26

SJU6:48 amSan Juan Luis Munoz Marin Intl

19h 11m

2 stops

BOI11:59 pmBoise Air Term. Gowen Fld

$581

American Airlines flights from Idaho to Puerto Rico

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

American Airlines

Oct 27

BOI12:10 pmBoise Air Term. Gowen Fld

9h 23m

1 stop

SJU11:33 pmSan Juan Luis Munoz Marin Intl

Nov 3

SJU6:44 amSan Juan Luis Munoz Marin Intl

18h 19m

1 stop

BOI10:03 pmBoise Air Term. Gowen Fld

$542

American Airlines

Aug 19

BOI12:17 pmBoise Air Term. Gowen Fld

19h 26m

2 stops

SJU9:43 amSan Juan Luis Munoz Marin Intl

Aug 25

SJU12:59 amSan Juan Luis Munoz Marin Intl

15h 15m

1 stop

BOI2:14 pmBoise Air Term. Gowen Fld

$547

American Airlines

Oct 19

GEG3:44 pmSpokane

17h 56m

2 stops

SJU12:40 pmSan Juan Luis Munoz Marin Intl

Oct 26

SJU8:35 amSan Juan Luis Munoz Marin Intl

17h 25m

2 stops

GEG11:00 pmSpokane

$552

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Thu 8/20

8:25 am-10:29 pm

2 stops12h 04m

San Juan Luis Munoz Marin Intl

Wed 8/26

12:56 pm-11:59 pm

2 stops13h 03m

$526

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 8/31

6:30 am-8:05 pm

2 stops11h 35m

San Juan Luis Munoz Marin Intl

Mon 9/14

11:35 am-10:35 pm

2 stops13h 00m

$536

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Tue 10/27

12:10 pm-11:33 pm

1 stop9h 23m

San Juan Luis Munoz Marin Intl

Tue 11/3

6:44 am-10:03 pm

1 stop18h 19m

$542

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Mon 10/19

5:40 pm-11:56 am

2 stops15h 16m

San Juan Luis Munoz Marin Intl

Mon 10/26

2:31 pm-9:37 pm

1 stop10h 06m

$542

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Wed 8/19

12:17 pm-9:43 am

2 stops19h 26m

San Juan Luis Munoz Marin Intl

Tue 8/25

12:59 am-2:14 pm

1 stop15h 15m

$547

Quickest round-trip

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Mon 6/29

6:30 am-5:38 pm

1 stop9h 08m

San Juan Luis Munoz Marin Intl

Fri 7/3

1:00 am-11:32 am

2 stops12h 32m

$550

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Sun 8/9

1:54 pm-9:43 am

2 stops17h 49m

San Juan Luis Munoz Marin Intl

Thu 8/13

10:33 am-10:58 pm

2 stops14h 25m

$552

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Fri 8/7

5:35 pm-10:50 am

2 stops14h 15m

San Juan Luis Munoz Marin Intl

Mon 8/10

6:00 am-4:55 pm

2 stops13h 55m

$552

BoiseSan Juan

BOI - SJU

BOISJU

Boise Air Term. Gowen Fld

Tue 10/13

6:25 am-10:15 pm

2 stops13h 50m

San Juan Luis Munoz Marin Intl

Tue 10/20

9:55 am-10:10 pm

2 stops14h 15m

$561

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Fri 8/7

1:41 pm-5:29 am

2 stops12h 48m

San Juan Luis Munoz Marin Intl

Mon 8/10

1:40 pm-9:05 pm

1 stop10h 25m

$573

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 December, then you should wait until January to fly from Idaho, when ticket prices are also cheap, with an average price of $395.

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

Fastest flight time	10h 06m
Direct flights	None

The fastest flight from Idaho to Puerto Rico takes 10h 06m

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 May 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 $338	Free Cancellation	Rating 7.9 8,455 reviews	Search Delta flights
United Airlines	PriceFrom $442	Free Cancellation	Rating 7.4 9,726 reviews	Search United Airlines flights
Southwest	PriceFrom $452	Free Cancellation	Rating 8.0 4,295 reviews	Search Southwest flights
American Airlines	PriceFrom $499	Free Cancellation	Rating 7.1 11,662 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

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Puerto Rico

Flights to San Juanfrom $179

Flights to Aguadillafrom $222

Flights to Poncefrom $232

Flights to Culebrafrom $515

Flights to Mayagüezfrom $474

Cheap flights from Idaho to Puerto Rico from $299

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 6/11. 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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Find the cheapest flights from Idaho to Puerto Rico

Cheap round-trip flights

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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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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

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