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

Delta, American Airlines, and Alaska Airlines are the most popular carriers operating from Pennsylvania to Idaho

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 25m on average. Another popular route from Pennsylvania to Idaho is flying from Philadelphia to Boise, which will take roughly 6h 50m. Keep in mind that layovers or delays could extend your travel time.

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 36% 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.

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 May 2026, 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.

$132 Cheap Flights from Pennsylvania to Idaho in 2026

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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.

7:15 am - 12:12 pm

IAD

JAC

6h 57m

1 stop

1:10 pm - 11:46 pm

JAC

IAD

8h 36m

1 stop

$241Delta

Sat, Oct 31 - Fri, Nov 6

6:00 am - 1:51 pm

IAD

BOI

9h 51m

1 stop

11:42 pm - 9:26 am

BOI

IAD

7h 44m

1 stop

$263Delta

Sat, Jul 4 - Tue, Jul 14

3:08 pm - 12:04 am

IAD

BOI

10h 56m

2 stops

11:39 pm - 9:16 am

BOI

IAD

7h 37m

1 stop

$268Delta

Wed, May 27 - Mon, Jun 1

6:00 am - 2:43 pm

IAD

BOI

10h 43m

2 stops

9:18 pm - 11:18 am

BOI

IAD

12h 00m

2 stops

$273Delta

Wed, May 27 - Mon, Jun 1

2:53 pm - 8:42 pm

IAD

GEG

8h 49m

1 stop

6:00 am - 5:54 pm

GEG

IAD

8h 54m

1 stop

$277American Airlines

Sat, Sep 5 - Sat, Sep 12

2:53 pm - 8:42 pm

IAD

GEG

8h 49m

1 stop

6:00 am - 5:54 pm

GEG

IAD

8h 54m

1 stop

$283American Airlines

Sat, Sep 5 - Sat, Sep 12

10:00 am - 5:52 pm

LGA

JAC

9h 52m

2 stops

2:40 pm - 11:16 pm

JAC

LGA

6h 36m

1 stop

$306United Airlines

Sat, Oct 24 - Tue, Oct 27

9:34 am - 5:52 pm

PHL

JAC

10h 18m

2 stops

2:40 pm - 10:46 pm

JAC

PHL

6h 06m

1 stop

$316United Airlines

Tue, Oct 20 - Tue, Oct 27

7:20 am - 3:30 pm

EWR

BOI

10h 10m

1 stop

1:29 pm - 11:29 pm

BOI

EWR

8h 00m

1 stop

$339Alaska Airlines

Tue, Sep 8 - Sun, Sep 13

9:55 am - 1:30 pm

JFK

JAC

29h 35m

1 stop

2:10 pm - 7:27 pm

JAC

JFK

27h 17m

1 stop

$359Alaska Airlines

Fri, Sep 25 - Wed, Sep 30

Alaska Airlines flights from Pennsylvania to Idaho

Our best Alaska Airlines deals on Pennsylvania to Idaho flight tickets

Alaska Airlines

Aug 25

IAD5:44 pmWashington, D.C. Dulles Intl

7h 41m

1 stop

GEG10:25 pmSpokane

Sep 1

GEG1:24 pmSpokane

7h 35m

1 stop

IAD11:59 pmWashington, D.C. Dulles Intl

$305

Alaska Airlines

May 28

IAD5:35 pmWashington, D.C. Dulles Intl

8h 01m

1 stop

GEG10:36 pmSpokane

Jun 2

GEG12:46 pmSpokane

8h 13m

1 stop

IAD11:59 pmWashington, D.C. Dulles Intl

$320

Alaska Airlines

Sep 6

IAD7:00 amWashington, D.C. Dulles Intl

10h 47m

1 stop

GEG2:47 pmSpokane

Sep 12

GEG6:00 amSpokane

9h 14m

1 stop

IAD6:14 pmWashington, D.C. Dulles Intl

$322

American Airlines flights from Pennsylvania to Idaho

Our best American Airlines deals on Pennsylvania to Idaho flight tickets

American Airlines

Sep 5

IAD2:53 pmWashington, D.C. Dulles Intl

8h 49m

1 stop

GEG8:42 pmSpokane

Sep 12

GEG6:00 amSpokane

8h 54m

1 stop

IAD5:54 pmWashington, D.C. Dulles Intl

$277

American Airlines

Sep 5

IAD2:53 pmWashington, D.C. Dulles Intl

8h 49m

1 stop

GEG8:42 pmSpokane

Sep 12

GEG6:00 amSpokane

8h 54m

1 stop

IAD5:54 pmWashington, D.C. Dulles Intl

$283

American Airlines

Aug 25

IAD6:10 amWashington, D.C. Dulles Intl

10h 09m

2 stops

GEG1:19 pmSpokane

Sep 1

GEG5:40 amSpokane

9h 47m

1 stop

IAD6:27 pmWashington, D.C. Dulles Intl

$289

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Washington, D.C.Jackson

IAD - JAC

IADJAC

Washington, D.C. Dulles Intl

Sat 10/31

7:15 am-12:12 pm

1 stop6h 57m

Jackson Hole

Fri 11/6

1:10 pm-11:46 pm

1 stop8h 36m

$241

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Sat 7/4

6:00 am-1:51 pm

1 stop9h 51m

Boise Air Term. Gowen Fld

Tue 7/14

11:42 pm-9:26 am

1 stop7h 44m

$263

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Wed 5/27

3:08 pm-12:04 am

2 stops10h 56m

Boise Air Term. Gowen Fld

Mon 6/1

11:39 pm-9:16 am

1 stop7h 37m

$268

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Wed 5/27

6:00 am-2:43 pm

2 stops10h 43m

Boise Air Term. Gowen Fld

Mon 6/1

9:18 pm-11:18 am

2 stops12h 00m

$273

Washington, D.C.Spokane

IAD - GEG

IADGEG

Washington, D.C. Dulles Intl

Sat 9/5

2:53 pm-8:42 pm

1 stop8h 49m

Spokane

Sat 9/12

6:00 am-5:54 pm

1 stop8h 54m

$277

Washington, D.C.Spokane

IAD - GEG

IADGEG

Washington, D.C. Dulles Intl

Sat 9/5

2:53 pm-8:42 pm

1 stop8h 49m

Spokane

Sat 9/12

6:00 am-5:54 pm

1 stop8h 54m

$283

New YorkJackson

LGA - JAC

LGAJAC

New York LaGuardia

Sat 10/24

10:00 am-5:52 pm

2 stops9h 52m

Jackson Hole

Tue 10/27

2:40 pm-11:16 pm

1 stop6h 36m

$306

PhiladelphiaJackson

PHL - JAC

PHLJAC

Philadelphia

Tue 10/20

9:34 am-5:52 pm

2 stops10h 18m

Jackson Hole

Tue 10/27

2:40 pm-10:46 pm

1 stop6h 06m

$316

NewarkBoise

EWR - BOI

EWRBOI

Newark

Tue 9/8

7:20 am-3:30 pm

1 stop10h 10m

Boise Air Term. Gowen Fld

Sun 9/13

1:29 pm-11:29 pm

1 stop8h 00m

$339

New YorkJackson

JFK - JAC

JFKJAC

New York John F Kennedy Intl

Fri 9/25

9:55 am-1:30 pm

1 stop29h 35m

Jackson Hole

Wed 9/30

2:10 pm-7:27 pm

1 stop27h 17m

$359

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 $88. 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 $131.

What is the cheapest Pennsylvania to Idaho flight route?

Fly from Philadelphia to Boise Air Term. Gowen Fld for the best Pennsylvania - Idaho flight prices

How far in advance should I book a flight from Pennsylvania 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 $452 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 $301 on momondo.

Can stopping save me money on Pennsylvania to Idaho flights?

You could potentially save up to 19% 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 53m
Direct flights	Every day
Airports in Idaho	27 airports

The fastest flight from Pennsylvania to Idaho takes 4h 53m

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

Frequently asked questions about flying 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 May 2026, 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 $175	Free Cancellation	Rating 7.9 8,455 reviews	Search Delta flights
American Airlines	PriceFrom $232	Free Cancellation	Rating 7.1 11,662 reviews	Search American Airlines flights
United Airlines	PriceFrom $237	Free Cancellation	Rating 7.4 9,726 reviews	Search United Airlines flights
Southwest	PriceFrom $371	Free Cancellation	Rating 8.0 4,295 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.