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Cheap flights from Pennsylvania to Idaho Falls from $105

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 8/16. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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 - 10:50 am
JFK
-
IDA
6h 50m
1 stop
Delta Logo
7:00 pm - 6:18 am
IDA
-
JFK
9h 18m
1 stop
$333Delta
Wed, Aug 19 - Tue, Aug 25
United Airlines Logo
6:30 am - 1:25 pm
IAD
-
IDA
8h 55m
1 stop
United Airlines Logo
4:14 pm - 12:45 am
IDA
-
IAD
6h 31m
1 stop
$374United Airlines
Tue, Jul 7 - Fri, Jul 10
United Airlines Logo
8:32 am - 3:23 pm
PIT
-
IDA
8h 51m
1 stop
United Airlines Logo
2:28 pm - 10:44 pm
IDA
-
PIT
6h 16m
1 stop
$378United Airlines
Sat, Sep 19 - Sat, Sep 26
Delta Logo
5:40 pm - 10:32 pm
PIT
-
IDA
6h 52m
1 stop
Delta Logo
11:25 am - 12:04 am
IDA
-
PIT
10h 39m
2 stops
$379Delta
Fri, Jul 24 - Thu, Jul 30
Alaska Airlines Logo
4:46 pm - 1:24 pm
JFK
-
IDA
22h 38m
1 stop
Alaska Airlines Logo
3:57 pm - 6:01 am
IDA
-
JFK
12h 04m
1 stop
$383Alaska Airlines
Sat, Sep 12 - Sat, Sep 19
Alaska Airlines Logo
7:00 am - 3:35 pm
PHL
-
IDA
10h 35m
1 stop
Alaska Airlines Logo
6:09 am - 5:39 pm
IDA
-
PHL
9h 30m
1 stop
$384Alaska Airlines
Tue, Oct 27 - Sat, Oct 31
Delta Logo
6:00 am - 10:50 am
JFK
-
IDA
6h 50m
1 stop
Delta Logo
7:00 pm - 6:18 am
IDA
-
JFK
9h 18m
1 stop
$384Delta
Tue, Aug 18 - Tue, Sep 1
American Airlines Logo
5:23 am - 1:28 pm
EWR
-
IDA
10h 05m
1 stop
American Airlines Logo
1:58 pm - 11:59 pm
IDA
-
EWR
8h 01m
1 stop
$392American Airlines
Fri, Sep 11 - Wed, Sep 16
Multiple Airlines Logo
9:50 am - 4:05 pm
IAD
-
IDA
8h 15m
1 stop
Multiple Airlines Logo
10:54 pm - 12:47 pm
IDA
-
IAD
35h 53m
2 stops
$434Multiple Airlines
Mon, Aug 10 - Fri, Aug 14
American Airlines Logo
6:10 am - 1:09 pm
LGA
-
IDA
8h 59m
1 stop
American Airlines Logo
12:06 pm - 9:29 pm
IDA
-
LGA
7h 23m
1 stop
$435American Airlines
Tue, Aug 18 - Tue, Sep 1

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Alaska Airlines flights from Pennsylvania to Idaho Falls

Our best Alaska Airlines deals on Pennsylvania to Idaho Falls flight tickets
Alaska Airlines
Sep 12
JFK4:46 pmNew York John F Kennedy Intl
22h 38m
1 stop
IDA1:24 pmIdaho Falls Fanning Field
Sep 19
IDA3:57 pmIdaho Falls Fanning Field
12h 04m
1 stop
JFK6:01 amNew York John F Kennedy Intl
$383
Alaska Airlines
Oct 27
PHL7:00 amPhiladelphia
10h 35m
1 stop
IDA3:35 pmIdaho Falls Fanning Field
Oct 31
IDA6:09 amIdaho Falls Fanning Field
9h 30m
1 stop
PHL5:39 pmPhiladelphia
$384
Alaska Airlines
Nov 14
EWR4:00 pmNewark
9h 42m
1 stop
IDA11:42 pmIdaho Falls Fanning Field
Nov 18
IDA6:04 amIdaho Falls Fanning Field
10h 52m
1 stop
EWR6:56 pmNewark
$435

American Airlines flights from Pennsylvania to Idaho Falls

Our best American Airlines deals on Pennsylvania to Idaho Falls flight tickets
American Airlines
Sep 11
EWR5:23 amNewark
10h 05m
1 stop
IDA1:28 pmIdaho Falls Fanning Field
Sep 16
IDA1:58 pmIdaho Falls Fanning Field
8h 01m
1 stop
EWR11:59 pmNewark
$392
American Airlines
Aug 18
LGA6:10 amNew York LaGuardia
8h 59m
1 stop
IDA1:09 pmIdaho Falls Fanning Field
Sep 1
IDA12:06 pmIdaho Falls Fanning Field
7h 23m
1 stop
LGA9:29 pmNew York LaGuardia
$435
American Airlines
Aug 18
LGA7:29 amNew York LaGuardia
8h 21m
1 stop
IDA1:50 pmIdaho Falls Fanning Field
Sep 1
IDA12:06 pmIdaho Falls Fanning Field
9h 38m
2 stops
LGA11:44 pmNew York LaGuardia
$440

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 June 23, 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

Wed 8/19

6:00 am-10:50 am

1 stop6h 50m

Idaho Falls Fanning Field

Tue 8/25

7:00 pm-6:18 am

1 stop9h 18m

$333

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Tue 7/7

6:30 am-1:25 pm

1 stop8h 55m

Idaho Falls Fanning Field

Fri 7/10

4:14 pm-12:45 am

1 stop6h 31m

$374
Quickest round-trip

PittsburghIdaho Falls

PIT - IDA

PITIDA

Pittsburgh

Sat 9/19

8:32 am-3:23 pm

1 stop8h 51m

Idaho Falls Fanning Field

Sat 9/26

2:28 pm-10:44 pm

1 stop6h 16m

$378

PittsburghIdaho Falls

PIT - IDA

PITIDA

Pittsburgh

Fri 7/24

5:40 pm-10:32 pm

1 stop6h 52m

Idaho Falls Fanning Field

Thu 7/30

11:25 am-12:04 am

2 stops10h 39m

$379

New YorkIdaho Falls

JFK - IDA

JFKIDA

New York John F Kennedy Intl

Sat 9/12

4:46 pm-1:24 pm

1 stop22h 38m

Idaho Falls Fanning Field

Sat 9/19

3:57 pm-6:01 am

1 stop12h 04m

$383

PhiladelphiaIdaho Falls

PHL - IDA

PHLIDA

Philadelphia

Tue 10/27

7:00 am-3:35 pm

1 stop10h 35m

Idaho Falls Fanning Field

Sat 10/31

6:09 am-5:39 pm

1 stop9h 30m

$384

New YorkIdaho Falls

JFK - IDA

JFKIDA

New York John F Kennedy Intl

Tue 8/18

6:00 am-10:50 am

1 stop6h 50m

Idaho Falls Fanning Field

Tue 9/1

7:00 pm-6:18 am

1 stop9h 18m

$384

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Fri 9/11

5:23 am-1:28 pm

1 stop10h 05m

Idaho Falls Fanning Field

Wed 9/16

1:58 pm-11:59 pm

1 stop8h 01m

$392

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Mon 8/10

9:50 am-4:05 pm

1 stop8h 15m

Idaho Falls Fanning Field

Fri 8/14

10:54 pm-12:47 pm

2 stops35h 53m

$434

New YorkIdaho Falls

LGA - IDA

LGAIDA

New York LaGuardia

Tue 8/18

6:10 am-1:09 pm

1 stop8h 59m

Idaho Falls Fanning Field

Tue 9/1

12:06 pm-9:29 pm

1 stop7h 23m

$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 November, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $318.

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

You could potentially save up to 12% 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 26m

Direct flights

None
The fastest flight from Pennsylvania to Idaho Falls takes 6h 26m
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 $354Free CancellationRating
7.8
8,424 reviews
Search Delta flights
United AirlinesPriceFrom $379Free CancellationRating
7.4
9,875 reviews
Search United Airlines flights
American AirlinesPriceFrom $400Free CancellationRating
7.1
11,745 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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