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Cheap flights from Pennsylvania to Idaho Falls from $154

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to Idaho Falls departing on 2/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Pennsylvania to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
6:55 pm - 3:38 pmJFK-IDA
22h 43m1 stop
Alaska Airlines Logo
3:50 pm - 7:53 amIDA-JFK
14h 03m1 stop
$355Alaska Airlines
Find Deal
Fri, Oct 24 - Mon, Oct 27
Multiple Airlines Logo
5:21 pm - 1:07 pmPIT-IDA
21h 46m1 stop
Multiple Airlines Logo
10:56 pm - 5:26 pmIDA-PIT
16h 30m1 stop
$360Multiple Airlines
Find Deal
Sun, Nov 9 - Fri, Nov 14
Multiple Airlines Logo
10:15 am - 2:55 pmPIT-IDA
54h 40m2 stops
Multiple Airlines Logo
10:56 pm - 5:26 pmIDA-PIT
16h 30m1 stop
$376Multiple Airlines
Find Deal
Wed, Nov 5 - Fri, Nov 14
American Airlines Logo
6:00 am - 12:24 pmMDT-IDA
8h 24m1 stop
American Airlines Logo
12:55 pm - 11:48 pmIDA-MDT
8h 53m1 stop
$379American Airlines
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Tue, Oct 28 - Sat, Nov 1
Alaska Airlines Logo
7:28 pm - 3:13 pmPIT-IDA
21h 45m1 stop
Alaska Airlines Logo
6:05 am - 6:32 pmIDA-PIT
10h 27m1 stop
$382Alaska Airlines
Find Deal
Tue, Nov 4 - Wed, Nov 12
Delta Logo
5:30 pm - 10:27 pmPIT-IDA
6h 57m1 stop
Delta Logo
6:57 pm - 10:38 amIDA-PIT
13h 41m2 stops
$388Delta
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Sat, Nov 8 - Tue, Nov 11
Delta Logo
6:55 am - 12:33 pmEWR-IDA
7h 38m1 stop
Delta Logo
6:57 pm - 5:36 amIDA-EWR
8h 39m1 stop
$393Delta
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Tue, Nov 4 - Tue, Nov 11
American Airlines Logo
5:00 am - 12:25 pmDCA-IDA
9h 25m1 stop
American Airlines Logo
1:34 pm - 12:40 amIDA-DCA
9h 06m1 stop
$414American Airlines
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Wed, Feb 18 - Fri, Feb 27
United Airlines Logo
10:49 am - 9:16 pmPIT-IDA
12h 27m2 stops
United Airlines Logo
10:51 am - 11:28 pmIDA-PIT
10h 37m2 stops
$449United Airlines
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Fri, Jan 9 - Sun, Jan 18
United Airlines Logo
9:45 am - 5:46 pmPHL-IDA
10h 01m1 stop
United Airlines Logo
10:50 am - 7:27 pmIDA-PHL
6h 37m1 stop
$451United Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 8

Delta flights from Pennsylvania to Idaho Falls

Our best Delta deals on Pennsylvania to Idaho Falls flight tickets
Delta
Nov 8
PIT5:30 pmPittsburgh
6h 57m
1 stop
IDA10:27 pmIdaho Falls Fanning Field
Nov 11
IDA6:57 pmIdaho Falls Fanning Field
13h 41m
2 stops
PIT10:38 amPittsburgh
$388
Find similar
Delta
Nov 4
EWR6:55 amNewark
7h 38m
1 stop
IDA12:33 pmIdaho Falls Fanning Field
Nov 11
IDA6:57 pmIdaho Falls Fanning Field
8h 39m
1 stop
EWR5:36 amNewark
$393
Find similar
Delta
Nov 4
EWR6:55 amNewark
7h 38m
1 stop
IDA12:33 pmIdaho Falls Fanning Field
Nov 11
IDA6:57 pmIdaho Falls Fanning Field
12h 39m
2 stops
EWR9:36 amNewark
$398
Find similar

Alaska Airlines flights from Pennsylvania to Idaho Falls

Our best Alaska Airlines deals on Pennsylvania to Idaho Falls flight tickets
Alaska Airlines
Oct 24
JFK6:55 pmNew York John F Kennedy Intl
22h 43m
1 stop
IDA3:38 pmIdaho Falls Fanning Field
Oct 27
IDA3:50 pmIdaho Falls Fanning Field
14h 03m
1 stop
JFK7:53 amNew York John F Kennedy Intl
$355
Find similar
Alaska Airlines
Nov 4
PIT7:28 pmPittsburgh
21h 45m
1 stop
IDA3:13 pmIdaho Falls Fanning Field
Nov 12
IDA6:05 amIdaho Falls Fanning Field
10h 27m
1 stop
PIT6:32 pmPittsburgh
$382
Find similar
Alaska Airlines
Nov 3
PIT7:28 pmPittsburgh
21h 45m
1 stop
IDA3:13 pmIdaho Falls Fanning Field
Nov 12
IDA6:05 amIdaho Falls Fanning Field
10h 27m
1 stop
PIT6:32 pmPittsburgh
$392
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Pennsylvania to Idaho Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated October 2, 2025.
Use the filters below to find and compare flights from Pennsylvania to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkIdaho Falls

JFK - IDA

JFKIDA

New York John F Kennedy Intl

Fri 10/24

6:55 pm-3:38 pm

1 stop22h 43m

Idaho Falls Fanning Field

Mon 10/27

3:50 pm-7:53 am

1 stop14h 03m

$355

PittsburghIdaho Falls

PIT - IDA

PITIDA

Pittsburgh

Sun 11/9

5:21 pm-1:07 pm

1 stop21h 46m

Idaho Falls Fanning Field

Fri 11/14

10:56 pm-5:26 pm

1 stop16h 30m

$360

PittsburghIdaho Falls

PIT - IDA

PITIDA

Pittsburgh

Wed 11/5

10:15 am-2:55 pm

2 stops54h 40m

Idaho Falls Fanning Field

Fri 11/14

10:56 pm-5:26 pm

1 stop16h 30m

$376

HarrisburgIdaho Falls

MDT - IDA

MDTIDA

Harrisburg

Tue 10/28

6:00 am-12:24 pm

1 stop8h 24m

Idaho Falls Fanning Field

Sat 11/1

12:55 pm-11:48 pm

1 stop8h 53m

$379

PittsburghIdaho Falls

PIT - IDA

PITIDA

Pittsburgh

Tue 11/4

7:28 pm-3:13 pm

1 stop21h 45m

Idaho Falls Fanning Field

Wed 11/12

6:05 am-6:32 pm

1 stop10h 27m

$382

PittsburghIdaho Falls

PIT - IDA

PITIDA

Pittsburgh

Sat 11/8

5:30 pm-10:27 pm

1 stop6h 57m

Idaho Falls Fanning Field

Tue 11/11

6:57 pm-10:38 am

2 stops13h 41m

$388

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Tue 11/4

6:55 am-12:33 pm

1 stop7h 38m

Idaho Falls Fanning Field

Tue 11/11

6:57 pm-5:36 am

1 stop8h 39m

$393

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Wed 2/18

5:00 am-12:25 pm

1 stop9h 25m

Idaho Falls Fanning Field

Fri 2/27

1:34 pm-12:40 am

1 stop9h 06m

$414

PittsburghIdaho Falls

PIT - IDA

PITIDA

Pittsburgh

Fri 1/9

10:49 am-9:16 pm

2 stops12h 27m

Idaho Falls Fanning Field

Sun 1/18

10:51 am-11:28 pm

2 stops10h 37m

$449

PhiladelphiaIdaho Falls

PHL - IDA

PHLIDA

Philadelphia

Sat 11/1

9:45 am-5:46 pm

1 stop10h 01m

Idaho Falls Fanning Field

Sat 11/8

10:50 am-7:27 pm

1 stop6h 37m

$451

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Idaho Falls from

How to get the cheapest flight ticket from Pennsylvania to Idaho Falls

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

What is the cheapest month to fly to Idaho Falls?

If you aren’t able to travel to Idaho Falls during the month of February, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $505.

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

Our data shows that Thursday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $574. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Monday is $938.

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

Our most recent data shows that the best time of day to fly to Idaho Falls is at noon. Flights from Pennsylvania to Idaho Falls during this time can be as low as $557. Try not to purchase tickets in the afternoon because they tend to be around $686. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on Pennsylvania to Idaho Falls flights?

You could potentially save up to 38% on your flight if you consider stops on a Pennsylvania to Idaho Falls flight.

Cheap Pennsylvania to Idaho Falls flight deals and tips

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

Direct flights

None
There are no direct flights from Pennsylvania to Idaho Falls. There are no popular flight routes from Pennsylvania to Idaho Falls.
Search flight deals

  • When did momondo last update prices for flights from Pennsylvania to Idaho Falls Fanning Field Airport?

    Prices for flights from Pennsylvania to Idaho Falls Fanning Field Airport were last updated today.

  • How many operators does momondo search for flights from Pennsylvania to Idaho Falls Fanning Field Airport?

  • How old do you have to be to fly from Pennsylvania to Idaho Falls Fanning Field Airport?

    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 Pennsylvania to Idaho Falls Fanning Field Airport.

  • What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

    The required travel and health documents for your Idaho Falls Fanning Field Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho Falls Fanning Field Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Pennsylvania to Idaho Falls

Compare and see reviews for airlines that fly from Pennsylvania to Idaho Falls with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $223Free CancellationRating
7.9
7,962 reviews
Search Delta flights
United AirlinesPriceFrom $248Free CancellationRating
7.4
8,933 reviews
Search United Airlines flights
American AirlinesPriceFrom $288Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Pennsylvania to Idaho Falls for you.

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

Yes. All flights to Idaho Falls from Pennsylvania on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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 Pennsylvania to Idaho Falls.

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

Yes. momondo can track prices for Pennsylvania to Idaho Falls flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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