What airlines fly to Idaho?

American Airlines, United Airlines and Delta 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 32% 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 47m on average. Another popular route from Pennsylvania to Idaho is flying from Allentown to Boise, which will take roughly 7h 16m. Keep in mind that layovers or delays could extend your travel time.

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

United Airlines, Delta, and Alaska 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 November 2026, there are 4 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.

$171 Cheap Flights from Pennsylvania to Idaho in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Pennsylvania to Idaho

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:30 am - 12:50 pmABE Allentown-Bethlehem-BOI Boise Air Term. Gowen Fld

9h 20m1 stop Chicago O'Hare Intl

1:39 pm - 11:20 pmBOI Boise Air Term. Gowen Fld-ABE Allentown-Bethlehem

7h 41m1 stop Chicago O'Hare Intl

$311American Airlines

Sat, Dec 5 - Sat, Dec 12

1:20 pm - 9:05 pmPHL Philadelphia-BOI Boise Air Term. Gowen Fld

9h 45m1 stop Phoenix Sky Harbor Intl

12:28 pm - 10:59 pmBOI Boise Air Term. Gowen Fld-PHL Philadelphia

8h 31m1 stop Phoenix Sky Harbor Intl

$311American Airlines

Thu, Jan 14 - Thu, Jan 21

7:00 am - 12:17 pmPHL Philadelphia-BOI Boise Air Term. Gowen Fld

7h 17m1 stop Salt Lake City

3:05 pm - 11:53 pmBOI Boise Air Term. Gowen Fld-PHL Philadelphia

6h 48m1 stop Minneapolis St Paul

$311Delta

Wed, Jan 27 - Sat, Jan 30

5:34 am - 12:42 pmPHL Philadelphia-BOI Boise Air Term. Gowen Fld

9h 08m1 stop Minneapolis St Paul

1:47 pm - 12:57 amBOI Boise Air Term. Gowen Fld-PHL Philadelphia

9h 10m1 stop Atlanta Hartsfield-Jackson

$311Delta

Fri, Dec 4 - Fri, Dec 11

6:11 pm - 9:30 amPHL Philadelphia-BOI Boise Air Term. Gowen Fld

17h 19m1 stop Seattle/Tacoma Intl

2:05 pm - 5:40 amBOI Boise Air Term. Gowen Fld-PHL Philadelphia

13h 35m1 stop Seattle/Tacoma Intl

$311Alaska Airlines

Wed, Dec 2 - Tue, Dec 8

5:15 pm - 11:10 pmPHL Philadelphia-BOI Boise Air Term. Gowen Fld

7h 55m1 stop Denver Intl

2:50 pm - 12:15 amBOI Boise Air Term. Gowen Fld-PHL Philadelphia

7h 25m1 stop Denver Intl

$341Southwest

Wed, Feb 3 - Wed, Feb 10

5:20 pm - 1:45 amPHL Philadelphia-BOI Boise Air Term. Gowen Fld

10h 25m2 stops Denver Intl Las Vegas Harry Reid Intl

5:30 am - 4:40 pmBOI Boise Air Term. Gowen Fld-PHL Philadelphia

9h 10m2 stops Las Vegas Harry Reid Intl Chicago Midway

$351Southwest

Thu, Feb 18 - Mon, Feb 22

7:00 am - 2:19 pmPHL Philadelphia-BOI Boise Air Term. Gowen Fld

9h 19m1 stop Seattle/Tacoma Intl

7:45 pm - 5:40 amBOI Boise Air Term. Gowen Fld-PHL Philadelphia

7h 55m1 stop Seattle/Tacoma Intl

$355Alaska Airlines

Sat, Dec 12 - Mon, Dec 14

4:46 pm - 9:33 pmPIT Pittsburgh-BOI Boise Air Term. Gowen Fld

6h 47m1 stop Denver Intl

2:35 pm - 10:57 pmBOI Boise Air Term. Gowen Fld-PIT Pittsburgh

6h 22m1 stop Denver Intl

$392United Airlines

Wed, Jan 6 - Tue, Jan 19

4:46 pm - 9:33 pmPIT Pittsburgh-BOI Boise Air Term. Gowen Fld

6h 47m1 stop Denver Intl

2:35 pm - 10:57 pmBOI Boise Air Term. Gowen Fld-PIT Pittsburgh

6h 22m1 stop Denver Intl

$392United Airlines

Wed, Jan 6 - Tue, Jan 19

Cheap last minute flights

Enter your travel dates to find the best prices.

8:08 am - 3:18 pmPIT Pittsburgh-IDA Idaho Falls Fanning Field

9h 10m1 stop Seattle/Tacoma Intl

1:53 pm - 8:36 pmIDA Idaho Falls Fanning Field-PIT Pittsburgh

28h 43m1 stop Seattle/Tacoma Intl

$539Alaska Airlines

Thu, Nov 12 - Sun, Nov 15

3:14 pm - 9:43 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

8h 29m1 stop Dallas/Fort Worth

8:00 am - 5:55 pmIDA Idaho Falls Fanning Field-PHL Philadelphia

7h 55m1 stop Dallas/Fort Worth

$549American Airlines

Sat, Nov 14 - Tue, Nov 17

8:08 am - 3:18 pmPIT Pittsburgh-IDA Idaho Falls Fanning Field

9h 10m1 stop Seattle/Tacoma Intl

6:04 am - 8:36 pmIDA Idaho Falls Fanning Field-PIT Pittsburgh

12h 32m1 stop Seattle/Tacoma Intl

$549Alaska Airlines

Thu, Nov 12 - Sun, Nov 15

3:34 pm - 9:43 pmPIT Pittsburgh-IDA Idaho Falls Fanning Field

8h 09m1 stop Dallas/Fort Worth

1:35 pm - 10:38 pmIDA Idaho Falls Fanning Field-PIT Pittsburgh

7h 03m1 stop Dallas/Fort Worth

$549American Airlines

Thu, Nov 12 - Mon, Nov 16

7:45 am - 1:28 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

7h 43m1 stop Denver Intl

7:00 am - 9:38 pmIDA Idaho Falls Fanning Field-PHL Philadelphia

12h 38m2 stops Denver Intl Chicago O'Hare Intl

$554United Airlines

Sat, Nov 14 - Tue, Nov 17

12:20 pm - 10:22 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

12h 02m2 stops Detroit Metropolitan Wayne County Salt Lake City

6:00 am - 6:19 pmIDA Idaho Falls Fanning Field-PHL Philadelphia

10h 19m2 stops Salt Lake City Minneapolis St Paul

$559Delta

Sat, Nov 14 - Tue, Nov 17

8:30 am - 1:28 pmPIT Pittsburgh-IDA Idaho Falls Fanning Field

6h 58m1 stop Denver Intl

7:00 am - 4:55 pmIDA Idaho Falls Fanning Field-PIT Pittsburgh

7h 55m2 stops Denver Intl Chicago O'Hare Intl

$584United Airlines

Tue, Nov 10 - Thu, Nov 12

5:28 pm - 9:59 pmPIT Pittsburgh-IDA Idaho Falls Fanning Field

6h 31m1 stop Salt Lake City

6:57 pm - 11:35 amIDA Idaho Falls Fanning Field-PIT Pittsburgh

14h 38m2 stops Salt Lake City New York John F Kennedy Intl

$584Delta

Tue, Nov 10 - Thu, Nov 12

2:45 pm - 9:40 pmPHL Philadelphia-BOI Boise Air Term. Gowen Fld

8h 55m2 stops Lambert-St Louis Denver Intl

11:40 am - 11:30 pmBOI Boise Air Term. Gowen Fld-PHL Philadelphia

9h 50m2 stops Phoenix Sky Harbor Intl Denver Intl

$627Southwest

Sat, Nov 14 - Tue, Nov 17

7:45 pm - 1:30 amPIT Pittsburgh-BOI Boise Air Term. Gowen Fld

7h 45m1 stop Las Vegas Harry Reid Intl

5:35 am - 2:50 pmBOI Boise Air Term. Gowen Fld-PIT Pittsburgh

7h 15m1 stop Las Vegas Harry Reid Intl

$775Southwest

Fri, Nov 13 - Sun, Nov 15

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Alaska Airlines flights from Pennsylvania to Idaho

Our best Alaska Airlines deals on Pennsylvania to Idaho flight tickets

Alaska Airlines

Dec 12

PHL7:00 amPhiladelphia

9h 19m

1 stop

BOI2:19 pmBoise Air Term. Gowen Fld

Dec 14

BOI7:45 pmBoise Air Term. Gowen Fld

7h 55m

1 stop

PHL5:40 amPhiladelphia

$378

Alaska Airlines

Dec 25

PHL7:02 amPhiladelphia

9h 16m

1 stop

BOI2:18 pmBoise Air Term. Gowen Fld

Dec 31

BOI5:00 pmBoise Air Term. Gowen Fld

10h 42m

1 stop

PHL5:42 amPhiladelphia

$429

Alaska Airlines

Dec 24

PIT8:00 amPittsburgh

9h 27m

1 stop

BOI3:27 pmBoise Air Term. Gowen Fld

Dec 31

BOI8:21 amBoise Air Term. Gowen Fld

10h 09m

1 stop

PIT8:30 pmPittsburgh

$441

American Airlines flights from Pennsylvania to Idaho

Our best American Airlines deals on Pennsylvania to Idaho flight tickets

American Airlines

Dec 5

ABE5:30 amAllentown-Bethlehem

9h 20m

1 stop

BOI12:50 pmBoise Air Term. Gowen Fld

Dec 12

BOI1:39 pmBoise Air Term. Gowen Fld

7h 41m

1 stop

ABE11:20 pmAllentown-Bethlehem

$311

American Airlines

Dec 5

ABE12:47 pmAllentown-Bethlehem

11h 59m

2 stops

BOI10:46 pmBoise Air Term. Gowen Fld

Dec 12

BOI1:39 pmBoise Air Term. Gowen Fld

7h 41m

1 stop

ABE11:20 pmAllentown-Bethlehem

$316

American Airlines

Jan 21

PHL9:00 amPhiladelphia

11h 07m

1 stop

BOI6:07 pmBoise Air Term. Gowen Fld

Jan 24

BOI12:28 pmBoise Air Term. Gowen Fld

8h 31m

1 stop

PHL10:59 pmPhiladelphia

$370

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AllentownBoise

ABE Allentown-Bethlehem - BOI Boise Air Term. Gowen Fld

ABEBOI

Allentown-Bethlehem

Sat 12/5

5:30 am-12:50 pm

1 stop9h 20m

Boise Air Term. Gowen Fld

Sat 12/12

1:39 pm-11:20 pm

1 stop7h 41m

$311

PhiladelphiaBoise

PHL Philadelphia - BOI Boise Air Term. Gowen Fld

PHLBOI

Philadelphia

Thu 1/14

1:20 pm-9:05 pm

1 stop9h 45m

Boise Air Term. Gowen Fld

Thu 1/21

12:28 pm-10:59 pm

1 stop8h 31m

$311

PhiladelphiaBoise

PHL Philadelphia - BOI Boise Air Term. Gowen Fld

PHLBOI

Philadelphia

Wed 1/27

7:00 am-12:17 pm

1 stop7h 17m

Boise Air Term. Gowen Fld

Sat 1/30

3:05 pm-11:53 pm

1 stop6h 48m

$311

PhiladelphiaBoise

PHL Philadelphia - BOI Boise Air Term. Gowen Fld

PHLBOI

Philadelphia

Fri 12/4

5:34 am-12:42 pm

1 stop9h 08m

Boise Air Term. Gowen Fld

Fri 12/11

1:47 pm-12:57 am

1 stop9h 10m

$311

PhiladelphiaBoise

PHL Philadelphia - BOI Boise Air Term. Gowen Fld

PHLBOI

Philadelphia

Wed 12/2

6:11 pm-9:30 am

1 stop17h 19m

Boise Air Term. Gowen Fld

Tue 12/8

2:05 pm-5:40 am

1 stop13h 35m

$311

PhiladelphiaBoise

PHL Philadelphia - BOI Boise Air Term. Gowen Fld

PHLBOI

Philadelphia

Wed 2/3

5:15 pm-11:10 pm

1 stop7h 55m

Boise Air Term. Gowen Fld

Wed 2/10

2:50 pm-12:15 am

1 stop7h 25m

$341

PhiladelphiaBoise

PHL Philadelphia - BOI Boise Air Term. Gowen Fld

PHLBOI

Philadelphia

Thu 2/18

5:20 pm-1:45 am

2 stops10h 25m

Boise Air Term. Gowen Fld

Mon 2/22

5:30 am-4:40 pm

2 stops9h 10m

$351

PhiladelphiaBoise

PHL Philadelphia - BOI Boise Air Term. Gowen Fld

PHLBOI

Philadelphia

Sat 12/12

7:00 am-2:19 pm

1 stop9h 19m

Boise Air Term. Gowen Fld

Mon 12/14

7:45 pm-5:40 am

1 stop7h 55m

$355

Quickest round-trip

PittsburghBoise

PIT Pittsburgh - BOI Boise Air Term. Gowen Fld

PITBOI

Pittsburgh

Wed 1/6

4:46 pm-9:33 pm

1 stop6h 47m

Boise Air Term. Gowen Fld

Tue 1/19

2:35 pm-10:57 pm

1 stop6h 22m

$392

PittsburghBoise

PIT Pittsburgh - BOI Boise Air Term. Gowen Fld

PITBOI

Pittsburgh

Wed 1/6

4:46 pm-9:33 pm

1 stop6h 47m

Boise Air Term. Gowen Fld

Tue 1/19

2:35 pm-10:57 pm

1 stop6h 22m

$392

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, April 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 $460. If you don’t want to visit Idaho in April, then you should wait until May to fly from Pennsylvania, when ticket prices are also cheap, with an average price of $474.

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 $483 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 $287 on momondo.

Can stopping save me money on Pennsylvania to Idaho flights?

You could potentially save up to 22% 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	$171
Fastest flight time	4h 49m
Direct flights	None

The best one-way flight to Idaho from Pennsylvania in the past 72 hours is $171. The best round-trip flight deal from Pennsylvania to Idaho found on momondo in the last 72 hours is $311.

The fastest flight from Pennsylvania to Idaho takes 4h 49m

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

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 November 2026, there are 4 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 $174	Free Cancellation	Rating 7.8 8,699 reviews	Search Delta flights
United Airlines	PriceFrom $237	Free Cancellation	Rating 7.3 10,470 reviews	Search United Airlines flights
American Airlines	PriceFrom $283	Free Cancellation	Rating 7.0 12,228 reviews	Search American Airlines flights
Southwest	PriceFrom $326	Free Cancellation	Rating 8.0 4,216 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.