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Cheap flights from Pennsylvania to Idaho Falls from $149

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 7/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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.
Delta Logo
6:00 am - 10:43 am
JFK
-
IDA
6h 43m
1 stop
Delta Logo
7:00 pm - 6:23 am
IDA
-
JFK
9h 23m
1 stop
$297Delta
Mon, Jun 8 - Wed, Jun 17
American Airlines Logo
6:30 am - 12:12 pm
DCA
-
IDA
7h 42m
1 stop
American Airlines Logo
1:43 pm - 11:35 pm
IDA
-
DCA
7h 52m
1 stop
$349American Airlines
Wed, Sep 23 - Tue, Oct 6
Alaska Airlines Logo
4:44 pm - 1:06 pm
PHL
-
IDA
22h 22m
1 stop
Alaska Airlines Logo
4:14 pm - 3:44 pm
IDA
-
PHL
21h 30m
1 stop
$349Alaska Airlines
Sun, Sep 13 - Fri, Sep 25
Alaska Airlines Logo
5:41 pm - 2:27 pm
EWR
-
IDA
22h 46m
1 stop
Alaska Airlines Logo
4:03 pm - 6:04 am
IDA
-
EWR
12h 01m
1 stop
$349Alaska Airlines
Fri, Oct 16 - Wed, Oct 21
United Airlines Logo
6:30 am - 1:24 pm
IAD
-
IDA
8h 54m
1 stop
United Airlines Logo
4:10 pm - 12:40 am
IDA
-
IAD
6h 30m
1 stop
$349United Airlines
Tue, Sep 1 - Sat, Sep 12
American Airlines Logo
6:30 am - 1:44 pm
LGA
-
IDA
9h 14m
1 stop
American Airlines Logo
7:00 am - 6:26 pm
IDA
-
LGA
9h 26m
1 stop
$349American Airlines
Sat, Oct 24 - Tue, Oct 27
Alaska Airlines Logo
7:00 am - 3:26 pm
PIT
-
IDA
10h 26m
1 stop
Alaska Airlines Logo
6:00 am - 5:56 pm
IDA
-
PIT
9h 56m
1 stop
$349Alaska Airlines
Sun, May 31 - Mon, Jun 8
Alaska Airlines Logo
9:55 am - 1:06 pm
JFK
-
IDA
29h 11m
1 stop
Alaska Airlines Logo
4:14 pm - 6:04 am
IDA
-
JFK
11h 50m
1 stop
$349Alaska Airlines
Mon, Aug 31 - Sun, Sep 6
United Airlines Logo
10:00 am - 3:23 pm
LGA
-
IDA
7h 23m
1 stop
United Airlines Logo
5:00 am - 5:09 pm
IDA
-
LGA
10h 09m
2 stops
$392United Airlines
Sat, Oct 24 - Tue, Oct 27
Multiple Airlines Logo
7:27 pm - 8:55 am
PHL
-
IDA
39h 28m
2 stops
Multiple Airlines Logo
10:47 pm - 6:22 am
IDA
-
PHL
29h 35m
1 stop
$435Multiple Airlines
Tue, Jul 14 - Mon, Jul 27

United Airlines flights from Pennsylvania to Idaho Falls

Our best United Airlines deals on Pennsylvania to Idaho Falls flight tickets
United Airlines
Sep 1
IAD6:30 amWashington, D.C. Dulles Intl
8h 54m
1 stop
IDA1:24 pmIdaho Falls Fanning Field
Sep 12
IDA4:10 pmIdaho Falls Fanning Field
6h 30m
1 stop
IAD12:40 amWashington, D.C. Dulles Intl
$349
United Airlines
Oct 24
LGA10:00 amNew York LaGuardia
7h 23m
1 stop
IDA3:23 pmIdaho Falls Fanning Field
Oct 27
IDA5:00 amIdaho Falls Fanning Field
10h 09m
2 stops
LGA5:09 pmNew York LaGuardia
$392
United Airlines
Oct 24
LGA7:29 amNew York LaGuardia
8h 00m
1 stop
IDA1:29 pmIdaho Falls Fanning Field
Oct 27
IDA2:35 pmIdaho Falls Fanning Field
6h 41m
1 stop
LGA11:16 pmNew York LaGuardia
$397

Alaska Airlines flights from Pennsylvania to Idaho Falls

Our best Alaska Airlines deals on Pennsylvania to Idaho Falls flight tickets
Alaska Airlines
Oct 16
EWR5:41 pmNewark
22h 46m
1 stop
IDA2:27 pmIdaho Falls Fanning Field
Oct 21
IDA4:03 pmIdaho Falls Fanning Field
12h 01m
1 stop
EWR6:04 amNewark
$349
Alaska Airlines
Sep 5
PIT7:00 amPittsburgh
10h 37m
1 stop
IDA3:37 pmIdaho Falls Fanning Field
Sep 9
IDA1:45 pmIdaho Falls Fanning Field
13h 40m
1 stop
PIT5:25 amPittsburgh
$384
Alaska Airlines
May 28
EWR5:08 pmNewark
22h 09m
1 stop
IDA1:17 pmIdaho Falls Fanning Field
Jun 1
IDA6:00 amIdaho Falls Fanning Field
8h 56m
1 stop
EWR4:56 pmNewark
$389

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 May 7, 2026.
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

Cheapest round-trip

New YorkIdaho Falls

JFK - IDA

JFKIDA

New York John F Kennedy Intl

Mon 6/8

6:00 am-10:43 am

1 stop6h 43m

Idaho Falls Fanning Field

Wed 6/17

7:00 pm-6:23 am

1 stop9h 23m

$297

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Wed 9/23

6:30 am-12:12 pm

1 stop7h 42m

Idaho Falls Fanning Field

Tue 10/6

1:43 pm-11:35 pm

1 stop7h 52m

$349

PhiladelphiaIdaho Falls

PHL - IDA

PHLIDA

Philadelphia

Sun 9/13

4:44 pm-1:06 pm

1 stop22h 22m

Idaho Falls Fanning Field

Fri 9/25

4:14 pm-3:44 pm

1 stop21h 30m

$349

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Fri 10/16

5:41 pm-2:27 pm

1 stop22h 46m

Idaho Falls Fanning Field

Wed 10/21

4:03 pm-6:04 am

1 stop12h 01m

$349
Quickest round-trip

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Tue 9/1

6:30 am-1:24 pm

1 stop8h 54m

Idaho Falls Fanning Field

Sat 9/12

4:10 pm-12:40 am

1 stop6h 30m

$349

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Sat 10/24

6:30 am-1:44 pm

1 stop9h 14m

Idaho Falls Fanning Field

Tue 10/27

7:00 am-6:26 pm

1 stop9h 26m

$349

PittsburghIdaho Falls

PIT - IDA

PITIDA

Pittsburgh

Sun 5/31

7:00 am-3:26 pm

1 stop10h 26m

Idaho Falls Fanning Field

Mon 6/8

6:00 am-5:56 pm

1 stop9h 56m

$349

New YorkIdaho Falls

JFK - IDA

JFKIDA

New York John F Kennedy Intl

Mon 8/31

9:55 am-1:06 pm

1 stop29h 11m

Idaho Falls Fanning Field

Sun 9/6

4:14 pm-6:04 am

1 stop11h 50m

$349

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Sat 10/24

10:00 am-3:23 pm

1 stop7h 23m

Idaho Falls Fanning Field

Tue 10/27

5:00 am-5:09 pm

2 stops10h 09m

$392

PhiladelphiaIdaho Falls

PHL - IDA

PHLIDA

Philadelphia

Tue 7/14

7:27 pm-8:55 am

2 stops39h 28m

Idaho Falls Fanning Field

Mon 7/27

10:47 pm-6:22 am

1 stop29h 35m

$435

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 April, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $199.

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

You could potentially save up to 28% 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

Fastest flight time

6h 05m

Direct flights

None
The fastest flight from Pennsylvania to Idaho Falls takes 6h 05m
There are no direct flights from Pennsylvania to Idaho Falls. There are no popular flight routes from Pennsylvania to Idaho Falls.
Search flight deals

Frequently asked questions about flying from Pennsylvania to Idaho Falls

  • 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 $200Free CancellationRating
7.9
8,459 reviews
Search Delta flights
United AirlinesPriceFrom $379Free CancellationRating
7.4
9,690 reviews
Search United Airlines flights
American AirlinesPriceFrom $398Free CancellationRating
7.1
11,669 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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