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

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

How many flights depart from Pennsylvania to Idaho on average per week?

As of June 2025, there are 22 flights per week flying from Pennsylvania to Idaho. The most common day of the week flights depart is Mon, with 18% of flights taking off on this day.

What airlines fly to Idaho?

Delta, United Airlines and American Airlines are the top three most popular airlines that fly to Idaho from Pennsylvania according to our data. Delta is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 5 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 25m on average. Another popular route from Pennsylvania to Idaho is flying from Philadelphia to Boise, which will take roughly 7h. Keep in mind that layovers or delays could extend your travel time.

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 June 2025, there are 6 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.

$100 Cheap Flights from Pennsylvania to Idaho in 2025

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Find the cheapest flights from Pennsylvania to Idaho

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

5:00 am - 12:44 pmEWR-GEG

10h 44m2 stops

1:30 pm - 11:59 pmGEG-EWR

7h 29m1 stop

$204American Airlines

Find Deal

Sun, Sep 21 - Wed, Sep 24

7:30 am - 12:44 pmEWR-GEG

8h 14m1 stop

1:30 pm - 11:59 pmGEG-EWR

7h 29m1 stop

$239American Airlines

Find Deal

Sun, Sep 21 - Wed, Sep 24

7:20 am - 6:52 pmEWR-BOI

13h 32m1 stop

7:30 pm - 5:50 amBOI-EWR

8h 20m1 stop

$243Spirit Airlines

Find Deal

Mon, Aug 11 - Fri, Aug 15

6:52 pm - 11:56 pmEWR-BOI

7h 04m1 stop

5:30 am - 1:59 pmBOI-EWR

6h 29m1 stop

$259Delta

Find Deal

Sat, Aug 23 - Tue, Sep 9

4:59 pm - 11:56 pmEWR-BOI

8h 57m2 stops

3:06 pm - 11:25 pmBOI-EWR

6h 19m1 stop

$264Delta

Find Deal

Tue, Aug 26 - Sat, Sep 6

6:55 am - 6:26 pmEWR-BOI

13h 31m1 stop

7:30 pm - 5:50 amBOI-EWR

8h 20m1 stop

$267Spirit Airlines

Find Deal

Fri, Aug 15 - Fri, Aug 22

6:00 am - 10:56 amEWR-GEG

7h 56m1 stop

6:25 pm - 5:36 amGEG-EWR

8h 11m1 stop

$279United Airlines

Find Deal

Tue, Jul 8 - Fri, Jul 11

6:00 am - 11:31 amEWR-BOI

7h 31m1 stop

12:27 pm - 10:59 pmBOI-EWR

8h 32m1 stop

$288United Airlines

Find Deal

Mon, Aug 25 - Wed, Sep 3

6:40 pm - 12:05 amPHL-BOI

7h 25m1 stop

3:20 pm - 11:45 pmBOI-PHL

6h 25m1 stop

$377Southwest

Find Deal

Thu, Aug 7 - Sun, Aug 10

6:10 am - 5:05 pmPHL-BOI

12h 55m2 stops

6:00 am - 5:40 pmBOI-PHL

9h 40m2 stops

$387Southwest

Find Deal

Sat, Aug 2 - Tue, Aug 5

Spirit Airlines flights from Pennsylvania to Idaho

Our best Spirit Airlines deals on Pennsylvania to Idaho flight tickets

Spirit Airlines

Aug 11

EWR7:20 amNewark

13h 32m

1 stop

BOI6:52 pmBoise Air Term. Gowen Fld

Aug 15

BOI7:30 pmBoise Air Term. Gowen Fld

8h 20m

1 stop

EWR5:50 amNewark

$243

Find similar

Spirit Airlines

Aug 15

EWR6:55 amNewark

13h 31m

1 stop

BOI6:26 pmBoise Air Term. Gowen Fld

Aug 22

BOI7:30 pmBoise Air Term. Gowen Fld

8h 20m

1 stop

EWR5:50 amNewark

$267

Find similar

Spirit Airlines

Aug 25

EWR6:55 amNewark

13h 31m

1 stop

BOI6:26 pmBoise Air Term. Gowen Fld

Sep 7

BOI9:49 pmBoise Air Term. Gowen Fld

17h 40m

1 stop

EWR5:29 pmNewark

$270

Find similar

Hawaiian Airlines flights from Pennsylvania to Idaho

Our best Hawaiian Airlines deals on Pennsylvania to Idaho flight tickets

Hawaiian Airlines

Jul 9

JFK4:00 pmNew York John F Kennedy Intl

9h 30m

1 stop

BOI11:30 pmBoise Air Term. Gowen Fld

Jul 16

BOI7:55 pmBoise Air Term. Gowen Fld

8h 34m

1 stop

JFK6:29 amNew York John F Kennedy Intl

$372

Find similar

Hawaiian Airlines

Dec 6

EWR3:45 pmNewark

8h 35m

1 stop

BOI10:20 pmBoise Air Term. Gowen Fld

Jan 18

BOI6:00 amBoise Air Term. Gowen Fld

7h 32m

1 stop

EWR3:32 pmNewark

$422

Find similar

Hawaiian Airlines

Jun 17

EWR7:19 amNewark

10h 51m

1 stop

BOI4:10 pmBoise Air Term. Gowen Fld

Jun 19

BOI6:51 pmBoise Air Term. Gowen Fld

9h 08m

1 stop

EWR5:59 amNewark

$648

Find similar

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 $392. 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 $398.

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 19 weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $488 when searching 19 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 $270 on momondo.

Can stopping save me money on Pennsylvania to Idaho flights?

You could potentially save up to 12% 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

Best Price Found	$100
Fastest flight time	4h 46m
Direct flights	Every day
Airports in Idaho	3 airports

The best one-way flight to Idaho from Pennsylvania in the past 72 hours is $100. The best round-trip flight deal from Pennsylvania to Idaho found on momondo in the last 72 hours is $204.

The fastest flight from Pennsylvania to Idaho takes 4h 46m

Direct flights go from Pennsylvania to Idaho every day.

There are 3 airports near Idaho: Spokane (GEG), Boise Air Term. Gowen Fld (BOI), Jackson Hole (JAC)

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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 June 2025, there are 6 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
Spirit Airlines	PriceFrom $160	Free Cancellation	Rating 6.3 8,060 reviews	Search Spirit Airlines flights
Delta	PriceFrom $277	Free Cancellation	Rating 8.0 7,963 reviews	Search Delta flights
American Airlines	PriceFrom $288	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $308	Free Cancellation	Rating 7.4 8,801 reviews	Search United Airlines flights
Southwest	PriceFrom $362	Free Cancellation	Rating 8.0 4,278 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.