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

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

When did momondo last update prices for flights from Puerto Rico to Idaho?

Prices for flights from Puerto Rico to Idaho were last updated today.

How many operators does momondo search for flights from Puerto Rico to Idaho?

The number of operators available for flights from Puerto Rico to Idaho is 1 as of November 2025.

How old do you have to be to fly from Puerto Rico to Idaho?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Puerto Rico to Idaho.

What documentation or ID do you need to fly to Idaho?

The travel and health documents you'll need for your trip to Idaho may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$162 Cheap Flights from Puerto Rico to Idaho in 2025/26

1 adult

0 bags

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Find the cheapest flights from Puerto Rico to Idaho

Round-trip

One-way

Recent round-trip flight deals from Puerto Rico to Idaho

Enter your travel dates to find the best prices.

10:50 am - 11:35 pmSJU-GEG

16h 45m2 stops

2:45 pm - 9:55 amGEG-SJU

15h 10m2 stops

$428Southwest

Find Deal

Fri, Feb 20 - Sat, Feb 28

1:15 pm - 12:19 amSJU-GEG

14h 04m2 stops

7:21 pm - 11:46 amGEG-SJU

13h 25m2 stops

$431Delta

Find Deal

Sat, May 2 - Tue, May 5

1:15 pm - 12:19 amSJU-GEG

14h 04m2 stops

10:45 pm - 11:46 amGEG-SJU

10h 01m1 stop

$478Delta

Find Deal

Sat, May 2 - Tue, May 5

7:00 am - 12:19 amSJU-GEG

20h 19m2 stops

7:07 pm - 11:58 amGEG-SJU

13h 51m2 stops

$503Delta

Find Deal

Sat, May 2 - Tue, May 5

7:30 am - 9:13 pmSJU-GEG

17h 43m1 stop

5:51 am - 11:27 pmGEG-SJU

13h 36m2 stops

$575American Airlines

Find Deal

Fri, Feb 20 - Sat, Feb 28

5:45 pm - 12:03 pmSJU-JAC

20h 18m2 stops

4:11 pm - 2:35 pmJAC-SJU

20h 24m2 stops

$578American Airlines

Find Deal

Tue, Mar 31 - Mon, Apr 6

6:54 am - 9:15 pmSJU-BOI

16h 21m1 stop

1:44 pm - 3:55 amBOI-SJU

12h 11m1 stop

$628Alaska Airlines

Find Deal

Tue, Mar 10 - Wed, Mar 11

1:05 am - 10:55 amSJU-GEG

12h 50m2 stops

5:00 am - 5:30 pmGEG-SJU

9h 30m1 stop

$633United Airlines

Find Deal

Fri, May 1 - Tue, May 5

1:05 am - 1:39 pmSJU-BOI

14h 34m2 stops

2:43 pm - 11:49 amBOI-SJU

19h 06m2 stops

$635United Airlines

Find Deal

Mon, Mar 9 - Wed, Mar 11

6:30 am - 7:44 pmSJU-GEG

17h 14m2 stops

5:06 am - 11:33 pmGEG-SJU

14h 27m3 stops

$1,251Alaska Airlines

Find Deal

Fri, Feb 20 - Sat, Feb 28

Alaska Airlines flights from Puerto Rico to Idaho

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

Alaska Airlines

Mar 10

SJU6:54 amSan Juan Luis Munoz Marin Intl

16h 21m

1 stop

BOI9:15 pmBoise Air Term. Gowen Fld

Mar 11

BOI1:44 pmBoise Air Term. Gowen Fld

12h 11m

1 stop

SJU3:55 amSan Juan Luis Munoz Marin Intl

$628

Find similar

Alaska Airlines

Feb 20

SJU6:30 amSan Juan Luis Munoz Marin Intl

17h 14m

2 stops

GEG7:44 pmSpokane

Feb 28

GEG5:06 amSpokane

14h 27m

3 stops

SJU11:33 pmSan Juan Luis Munoz Marin Intl

$1,251

Find similar

United Airlines flights from Puerto Rico to Idaho

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

United Airlines

May 1

SJU1:05 amSan Juan Luis Munoz Marin Intl

12h 50m

2 stops

GEG10:55 amSpokane

May 5

GEG5:00 amSpokane

9h 30m

1 stop

SJU5:30 pmSan Juan Luis Munoz Marin Intl

$633

Find similar

United Airlines

Mar 9

SJU1:05 amSan Juan Luis Munoz Marin Intl

14h 34m

2 stops

BOI1:39 pmBoise Air Term. Gowen Fld

Mar 11

BOI2:43 pmBoise Air Term. Gowen Fld

19h 06m

2 stops

SJU11:49 amSan Juan Luis Munoz Marin Intl

$635

Find similar

United Airlines

Feb 20

SJU8:35 amSan Juan Luis Munoz Marin Intl

17h 17m

1 stop

GEG9:52 pmSpokane

Feb 28

GEG5:00 amSpokane

9h 25m

1 stop

SJU6:25 pmSan Juan Luis Munoz Marin Intl

$668

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San JuanSpokane

SJU - GEG

SJUGEG

San Juan Luis Munoz Marin Intl

Fri 2/20

10:50 am-11:35 pm

2 stops16h 45m

Spokane

Sat 2/28

2:45 pm-9:55 am

2 stops15h 10m

$428

San JuanSpokane

SJU - GEG

SJUGEG

San Juan Luis Munoz Marin Intl

Sat 5/2

1:15 pm-12:19 am

2 stops14h 04m

Spokane

Tue 5/5

7:21 pm-11:46 am

2 stops13h 25m

$431

San JuanSpokane

SJU - GEG

SJUGEG

San Juan Luis Munoz Marin Intl

Sat 5/2

1:15 pm-12:19 am

2 stops14h 04m

Spokane

Tue 5/5

10:45 pm-11:46 am

1 stop10h 01m

$478

San JuanSpokane

SJU - GEG

SJUGEG

San Juan Luis Munoz Marin Intl

Sat 5/2

7:00 am-12:19 am

2 stops20h 19m

Spokane

Tue 5/5

7:07 pm-11:58 am

2 stops13h 51m

$503

San JuanSpokane

SJU - GEG

SJUGEG

San Juan Luis Munoz Marin Intl

Fri 2/20

7:30 am-9:13 pm

1 stop17h 43m

Spokane

Sat 2/28

5:51 am-11:27 pm

2 stops13h 36m

$575

San JuanJackson

SJU - JAC

SJUJAC

San Juan Luis Munoz Marin Intl

Tue 3/31

5:45 pm-12:03 pm

2 stops20h 18m

Jackson Hole

Mon 4/6

4:11 pm-2:35 pm

2 stops20h 24m

$578

San JuanBoise

SJU - BOI

SJUBOI

San Juan Luis Munoz Marin Intl

Tue 3/10

6:54 am-9:15 pm

1 stop16h 21m

Boise Air Term. Gowen Fld

Wed 3/11

1:44 pm-3:55 am

1 stop12h 11m

$628

San JuanSpokane

SJU - GEG

SJUGEG

San Juan Luis Munoz Marin Intl

Fri 5/1

1:05 am-10:55 am

2 stops12h 50m

Spokane

Tue 5/5

5:00 am-5:30 pm

1 stop9h 30m

$633

San JuanBoise

SJU - BOI

SJUBOI

San Juan Luis Munoz Marin Intl

Mon 3/9

1:05 am-1:39 pm

2 stops14h 34m

Boise Air Term. Gowen Fld

Wed 3/11

2:43 pm-11:49 am

2 stops19h 06m

$635

San JuanSpokane

SJU - GEG

SJUGEG

San Juan Luis Munoz Marin Intl

Fri 2/20

6:30 am-7:44 pm

2 stops17h 14m

Spokane

Sat 2/28

5:06 am-11:33 pm

3 stops14h 27m

$1,251

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 Puerto Rico to Idaho

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 day to depart on your flight to Idaho?

Our data shows that Wednesday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $400. On the other hand, Friday is the most expensive day to depart from Puerto Rico because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $839.

What is the cheapest time of day to depart on your flight to Idaho?

According to our data, the cheapest time of day to fly to Idaho is in the afternoon. momondo users have found flights departing from Puerto Rico to Idaho in the afternoon for as low as $398. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Idaho, so prices are often more expensive at around $821 per ticket.

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

You could potentially save up to 27% on your flight if you consider stops on a Puerto Rico to Idaho flight.

Cheap Puerto Rico to Idaho flight deals and tips

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

Direct flights	None

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

Search flight deals

When did momondo last update prices for flights from Puerto Rico to Idaho?
Prices for flights from Puerto Rico to Idaho were last updated today.
How many operators does momondo search for flights from Puerto Rico to Idaho?
The number of operators available for flights from Puerto Rico to Idaho is 1 as of November 2025.
How old do you have to be to fly from Puerto Rico to Idaho?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Puerto Rico to Idaho.
What documentation or ID do you need to fly to Idaho?
The travel and health documents you'll need for your trip to Idaho may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Puerto Rico to Idaho

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $779	Free Cancellation	Rating 7.4 8,997 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Puerto Rico to Idaho?

Finding the right flight to Idaho from Puerto Rico 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 Idaho quick and easy, saving you time and money.

Can I find flights from Puerto Rico to Idaho with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Puerto Rico to Idaho flights to just show those with flexible booking policies.

How can momondo help me find flights from Puerto Rico to Idaho?

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 Puerto Rico to Idaho.

I’m not ready to book a flight from Puerto Rico to Idaho right now. Can momondo alert me if prices change?

Price alerts on flights to Idaho from Puerto Rico 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.