What airlines fly to Idaho?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Idaho from Pennsylvania according to our data. American Airlines is the first choice among our users, with 31% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 4 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.

How long is the flight from Pennsylvania to Idaho?

Flight times from Pennsylvania to Idaho vary, but if you’re flying out of Pittsburgh and flying into Boise (one of the most popular routes), then the duration is 6h 14m on average. Another popular route from Pennsylvania to Idaho is flying from Philadelphia to Boise, which will take roughly 7h 01m. Keep in mind that layovers or delays could extend your travel time.

What is the cheapest airline that flies from Pennsylvania to Idaho?

Frontier, Alaska Airlines, and United Airlines are the most popular carriers operating from Pennsylvania to Idaho

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

Prices for flights from Pennsylvania to Idaho refresh daily.

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

As of December 2025, there are 5 operators available to choose from for flights from Pennsylvania to Idaho.

How old do you have to be to fly from Pennsylvania to Idaho?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pennsylvania to Idaho.

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

The travel and health documents required for your trip to Idaho can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Idaho. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$72 Cheap Flights from Pennsylvania to Idaho in 2025/26

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Find the cheapest flights from Pennsylvania to Idaho

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:22 pm - 11:59 pm

JFK

BOI

9h 37m1 stop

11:35 am - 10:52 pm

BOI

JFK

9h 17m1 stop

$236Alaska Airlines

Thu, Jan 8 - Mon, Jan 12

6:00 am - 2:02 pm

LGA

BOI

10h 02m1 stop

3:01 pm - 11:39 pm

BOI

LGA

6h 38m1 stop

$237Delta

Mon, Jan 5 - Mon, Jan 12

8:29 am - 7:25 pm

JFK

BOI

12h 56m2 stops

7:20 am - 5:17 pm

BOI

JFK

7h 57m1 stop

$242American Airlines

Tue, Jan 6 - Tue, Jan 13

11:30 am - 9:05 pm

JFK

BOI

11h 35m1 stop

11:35 am - 10:52 pm

BOI

JFK

9h 17m1 stop

$244Hawaiian Airlines

Wed, Jan 28 - Wed, Feb 4

8:29 am - 7:25 pm

JFK

BOI

12h 56m2 stops

7:20 am - 8:03 pm

BOI

JFK

10h 43m2 stops

$247American Airlines

Tue, Jan 6 - Tue, Jan 13

4:30 pm - 11:10 pm

LGA

BOI

8h 40m1 stop

11:20 am - 10:40 pm

BOI

LGA

9h 20m1 stop

$263Southwest

Wed, Jan 28 - Tue, Feb 3

6:15 am - 12:39 pm

LGA

BOI

8h 24m1 stop

10:28 am - 9:14 pm

BOI

LGA

8h 46m2 stops

$268United Airlines

Wed, Jan 28 - Tue, Feb 3

4:22 pm - 11:01 pm

JFK

BOI

8h 39m1 stop

9:02 am - 7:28 pm

BOI

JFK

8h 26m1 stop

$271Hawaiian Airlines

Thu, Jan 29 - Thu, Feb 5

1:15 pm - 9:52 pm

LGA

BOI

10h 37m2 stops

12:19 pm - 9:14 pm

BOI

LGA

6h 55m1 stop

$272United Airlines

Tue, Jan 6 - Sat, Jan 10

4:30 pm - 11:10 pm

LGA

BOI

8h 40m1 stop

7:45 am - 4:25 pm

BOI

LGA

6h 40m1 stop

$293Southwest

Tue, Jan 27 - Sun, Feb 1

Alaska Airlines flights from Pennsylvania to Idaho

Our best Alaska Airlines deals on Pennsylvania to Idaho flight tickets

Alaska Airlines

Jan 8

JFK4:22 pmNew York John F Kennedy Intl

9h 37m

1 stop

BOI11:59 pmBoise Air Term. Gowen Fld

Jan 12

BOI11:35 amBoise Air Term. Gowen Fld

9h 17m

1 stop

JFK10:52 pmNew York John F Kennedy Intl

$236

Find similar

Alaska Airlines

Jan 6

JFK7:00 amNew York John F Kennedy Intl

11h 06m

1 stop

BOI4:06 pmBoise Air Term. Gowen Fld

Jan 13

BOI6:23 amBoise Air Term. Gowen Fld

11h 05m

1 stop

JFK7:28 pmNew York John F Kennedy Intl

$262

Find similar

Alaska Airlines

Jan 15

JFK4:22 pmNew York John F Kennedy Intl

9h 37m

1 stop

BOI11:59 pmBoise Air Term. Gowen Fld

Jan 19

BOI7:59 pmBoise Air Term. Gowen Fld

17h 19m

1 stop

JFK3:18 pmNew York John F Kennedy Intl

$286

Find similar

Hawaiian Airlines flights from Pennsylvania to Idaho

Our best Hawaiian Airlines deals on Pennsylvania to Idaho flight tickets

Hawaiian Airlines

Jan 28

JFK11:30 amNew York John F Kennedy Intl

11h 35m

1 stop

BOI9:05 pmBoise Air Term. Gowen Fld

Feb 4

BOI11:35 amBoise Air Term. Gowen Fld

9h 17m

1 stop

JFK10:52 pmNew York John F Kennedy Intl

$244

Find similar

Hawaiian Airlines

Jan 29

JFK4:22 pmNew York John F Kennedy Intl

8h 39m

1 stop

BOI11:01 pmBoise Air Term. Gowen Fld

Feb 5

BOI9:02 amBoise Air Term. Gowen Fld

8h 26m

1 stop

JFK7:28 pmNew York John F Kennedy Intl

$271

Find similar

Hawaiian Airlines

Jan 29

JFK4:22 pmNew York John F Kennedy Intl

8h 39m

1 stop

BOI11:01 pmBoise Air Term. Gowen Fld

Feb 5

BOI9:02 amBoise Air Term. Gowen Fld

8h 26m

1 stop

JFK7:28 pmNew York John F Kennedy Intl

$278

Find similar

Fly from

Fly to

Route

Depart

Return

Price

New YorkBoise

JFK - BOI

JFKBOI

New York John F Kennedy Intl

Thu 1/8

4:22 pm-11:59 pm

1 stop9h 37m

Boise Air Term. Gowen Fld

Mon 1/12

11:35 am-10:52 pm

1 stop9h 17m

$236

New YorkBoise

LGA - BOI

LGABOI

New York LaGuardia

Mon 1/5

6:00 am-2:02 pm

1 stop10h 02m

Boise Air Term. Gowen Fld

Mon 1/12

3:01 pm-11:39 pm

1 stop6h 38m

$237

New YorkBoise

JFK - BOI

JFKBOI

New York John F Kennedy Intl

Tue 1/6

8:29 am-7:25 pm

2 stops12h 56m

Boise Air Term. Gowen Fld

Tue 1/13

7:20 am-5:17 pm

1 stop7h 57m

$242

New YorkBoise

JFK - BOI

JFKBOI

New York John F Kennedy Intl

Wed 1/28

11:30 am-9:05 pm

1 stop11h 35m

Boise Air Term. Gowen Fld

Wed 2/4

11:35 am-10:52 pm

1 stop9h 17m

$244

New YorkBoise

JFK - BOI

JFKBOI

New York John F Kennedy Intl

Tue 1/6

8:29 am-7:25 pm

2 stops12h 56m

Boise Air Term. Gowen Fld

Tue 1/13

7:20 am-8:03 pm

2 stops10h 43m

$247

New YorkBoise

LGA - BOI

LGABOI

New York LaGuardia

Wed 1/28

4:30 pm-11:10 pm

1 stop8h 40m

Boise Air Term. Gowen Fld

Tue 2/3

11:20 am-10:40 pm

1 stop9h 20m

$263

New YorkBoise

LGA - BOI

LGABOI

New York LaGuardia

Wed 1/28

6:15 am-12:39 pm

1 stop8h 24m

Boise Air Term. Gowen Fld

Tue 2/3

10:28 am-9:14 pm

2 stops8h 46m

$268

New YorkBoise

JFK - BOI

JFKBOI

New York John F Kennedy Intl

Thu 1/29

4:22 pm-11:01 pm

1 stop8h 39m

Boise Air Term. Gowen Fld

Thu 2/5

9:02 am-7:28 pm

1 stop8h 26m

$271

New YorkBoise

LGA - BOI

LGABOI

New York LaGuardia

Tue 1/6

1:15 pm-9:52 pm

2 stops10h 37m

Boise Air Term. Gowen Fld

Sat 1/10

12:19 pm-9:14 pm

1 stop6h 55m

$272

New YorkBoise

LGA - BOI

LGABOI

New York LaGuardia

Tue 1/27

4:30 pm-11:10 pm

1 stop8h 40m

Boise Air Term. Gowen Fld

Sun 2/1

7:45 am-4:25 pm

1 stop6h 40m

$293

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 Pennsylvania 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

Other information

What is the cheapest month to fly to Idaho?

In general, September is the cheapest month to fly from Pennsylvania to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $359. If you don’t want to visit Idaho in September, then you should wait until August to fly from Pennsylvania, when ticket prices are also cheap, with an average price of $365.

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

Our data shows that Tuesday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $421. On the other hand, Sunday is the most expensive day to depart from Pennsylvania because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $618.

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 at noon. momondo users have found flights departing from Pennsylvania to Idaho at noon for as low as $302. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the evening is when there is more demand to fly to Idaho, so prices are often more expensive at around $655 per ticket.

How far in advance should I book a flight to Idaho?

You are more likely to see cheaper flights to Idaho from Pennsylvania when booking weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $464 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from Pennsylvania for as low as $393 on momondo.

Can stopping save me money on Pennsylvania to Idaho flights?

You could potentially save up to 4% on your flight if you consider stops on a Pennsylvania to Idaho flight.

Cheap Pennsylvania to Idaho flight deals and tips

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

Fastest flight time	4h 30m
Direct flights	Every day
Airports in Idaho	27 airports

The fastest flight from Pennsylvania to Idaho takes 4h 30m

Direct flights go from Pennsylvania to Idaho every day.

There are 27 airports in Idaho. From Pennsylvania there are direct flights to Jackson Hole (JAC).

Search flight deals

When did momondo last update prices for flights from Pennsylvania to Idaho?
Prices for flights from Pennsylvania to Idaho refresh daily.
How many operators does momondo search for flights from Pennsylvania to Idaho?
As of December 2025, there are 5 operators available to choose from for flights from Pennsylvania to Idaho.
How old do you have to be to fly from Pennsylvania to Idaho?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pennsylvania to Idaho.
What documentation or ID do you need to fly to Idaho?
The travel and health documents required for your trip to Idaho can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Idaho. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Pennsylvania to Idaho

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $223	Free Cancellation	Rating 7.9 8,007 reviews	Search Delta flights
American Airlines	PriceFrom $232	Free Cancellation	Rating 7.2 11,052 reviews	Search American Airlines flights
United Airlines	PriceFrom $248	Free Cancellation	Rating 7.4 9,092 reviews	Search United Airlines flights
Southwest	PriceFrom $358	Free Cancellation	Rating 7.9 4,250 reviews	Search Southwest flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Pennsylvania to Idaho. momondo saves you time and could save you money on your trip.

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

All flight searches from Pennsylvania to Idaho on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Pennsylvania to Idaho?

momondo provides multiple filters to help you find the best flight to Idaho from Pennsylvania. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Idaho from Pennsylvania 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.