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Cheap flights from Pennsylvania to Idaho Falls from $198

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 2/1. 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

Logo
10:21 am - 4:05 pmPHL-IDA
31h 44m2 stops
Logo
10:55 pm - 8:51 pmIDA-PHL
19h 56m1 stop
$325
Find Deal
Thu, Sep 4 - Fri, Sep 19
Delta Logo
3:41 pm - 10:25 pmJFK-IDA
8h 44m1 stop
Delta Logo
6:53 pm - 6:25 amIDA-JFK
9h 32m1 stop
$335Delta
Find Deal
Tue, Sep 30 - Tue, Oct 7
Logo
6:45 am - 4:05 pmPHL-IDA
11h 20m2 stops
Logo
10:55 pm - 8:51 pmIDA-PHL
19h 56m1 stop
$336
Find Deal
Fri, Sep 5 - Fri, Sep 19
Alaska Airlines Logo
7:02 am - 3:13 pmPHL-IDA
10h 11m1 stop
Alaska Airlines Logo
3:50 pm - 6:40 amIDA-PHL
12h 50m1 stop
$369Alaska Airlines
Find Deal
Thu, Oct 30 - Sat, Nov 1
American Airlines Logo
7:30 am - 12:24 pmEWR-IDA
6h 54m1 stop
American Airlines Logo
12:55 pm - 11:59 pmIDA-EWR
9h 04m1 stop
$371American Airlines
Find Deal
Tue, Sep 30 - Tue, Oct 7
American Airlines Logo
6:44 am - 12:25 pmMDT-IDA
7h 41m1 stop
American Airlines Logo
12:55 pm - 11:48 pmIDA-MDT
8h 53m1 stop
$379American Airlines
Find Deal
Tue, Oct 28 - Sat, Nov 1
United Airlines Logo
8:15 am - 5:46 pmMDT-IDA
11h 31m2 stops
United Airlines Logo
8:30 am - 9:04 pmIDA-MDT
10h 34m2 stops
$389United Airlines
Find Deal
Tue, Oct 28 - Sat, Nov 1
Alaska Airlines Logo
6:25 am - 3:38 pmIAD-IDA
11h 13m1 stop
Alaska Airlines Logo
6:00 am - 6:28 pmIDA-IAD
10h 28m1 stop
$394Alaska Airlines
Find Deal
Tue, Oct 14 - Sat, Oct 18
United Airlines Logo
8:15 am - 1:30 pmIAD-IDA
7h 15m1 stop
United Airlines Logo
5:00 am - 3:34 pmIDA-IAD
8h 34m1 stop
$428United Airlines
Find Deal
Tue, Sep 2 - Fri, Sep 5
Hawaiian Airlines Logo
4:00 pm - 10:39 pmEWR-IDA
8h 39m1 stop
Hawaiian Airlines Logo
6:13 am - 6:29 pmIDA-EWR
10h 16m1 stop
$517Hawaiian Airlines
Find Deal
Wed, Sep 10 - Wed, Sep 17

Delta flights from Pennsylvania to Idaho Falls

Our best Delta deals on Pennsylvania to Idaho Falls flight tickets
Delta
Sep 30
JFK3:41 pmNew York John F Kennedy Intl
8h 44m
1 stop
IDA10:25 pmIdaho Falls Fanning Field
Oct 7
IDA6:53 pmIdaho Falls Fanning Field
9h 32m
1 stop
JFK6:25 amNew York John F Kennedy Intl
$335
Find similar
Delta
Sep 26
LGA2:40 pmNew York LaGuardia
9h 45m
2 stops
IDA10:25 pmIdaho Falls Fanning Field
Sep 30
IDA6:51 pmIdaho Falls Fanning Field
11h 20m
2 stops
LGA8:11 amNew York LaGuardia
$387
Find similar
Delta
Nov 24
DCA5:00 pmWashington, D.C. Reagan-National
7h 20m
1 stop
IDA10:20 pmIdaho Falls Fanning Field
Nov 28
IDA6:05 amIdaho Falls Fanning Field
8h 14m
1 stop
DCA4:19 pmWashington, D.C. Reagan-National
$395
Find similar

American Airlines flights from Pennsylvania to Idaho Falls

Our best American Airlines deals on Pennsylvania to Idaho Falls flight tickets
American Airlines
Sep 30
EWR7:30 amNewark
6h 54m
1 stop
IDA12:24 pmIdaho Falls Fanning Field
Oct 7
IDA12:55 pmIdaho Falls Fanning Field
9h 04m
1 stop
EWR11:59 pmNewark
$371
Find similar
American Airlines
Oct 28
MDT6:44 amHarrisburg
7h 41m
1 stop
IDA12:25 pmIdaho Falls Fanning Field
Nov 1
IDA12:55 pmIdaho Falls Fanning Field
8h 53m
1 stop
MDT11:48 pmHarrisburg
$379
Find similar
American Airlines
Oct 28
MDT11:25 amHarrisburg
12h 23m
2 stops
IDA9:48 pmIdaho Falls Fanning Field
Nov 1
IDA12:55 pmIdaho Falls Fanning Field
8h 53m
1 stop
MDT11:48 pmHarrisburg
$384
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 August 18, 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

PhiladelphiaIdaho Falls

PHL - IDA

PHLIDA

Philadelphia

Thu 9/4

10:21 am-4:05 pm

2 stops31h 44m

Idaho Falls Fanning Field

Fri 9/19

10:55 pm-8:51 pm

1 stop19h 56m

$325

New YorkIdaho Falls

JFK - IDA

JFKIDA

New York John F Kennedy Intl

Tue 9/30

3:41 pm-10:25 pm

1 stop8h 44m

Idaho Falls Fanning Field

Tue 10/7

6:53 pm-6:25 am

1 stop9h 32m

$335

PhiladelphiaIdaho Falls

PHL - IDA

PHLIDA

Philadelphia

Fri 9/5

6:45 am-4:05 pm

2 stops11h 20m

Idaho Falls Fanning Field

Fri 9/19

10:55 pm-8:51 pm

1 stop19h 56m

$336

PhiladelphiaIdaho Falls

PHL - IDA

PHLIDA

Philadelphia

Thu 10/30

7:02 am-3:13 pm

1 stop10h 11m

Idaho Falls Fanning Field

Sat 11/1

3:50 pm-6:40 am

1 stop12h 50m

$369

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Tue 9/30

7:30 am-12:24 pm

1 stop6h 54m

Idaho Falls Fanning Field

Tue 10/7

12:55 pm-11:59 pm

1 stop9h 04m

$371

HarrisburgIdaho Falls

MDT - IDA

MDTIDA

Harrisburg

Tue 10/28

6:44 am-12:25 pm

1 stop7h 41m

Idaho Falls Fanning Field

Sat 11/1

12:55 pm-11:48 pm

1 stop8h 53m

$379

HarrisburgIdaho Falls

MDT - IDA

MDTIDA

Harrisburg

Tue 10/28

8:15 am-5:46 pm

2 stops11h 31m

Idaho Falls Fanning Field

Sat 11/1

8:30 am-9:04 pm

2 stops10h 34m

$389

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Tue 10/14

6:25 am-3:38 pm

1 stop11h 13m

Idaho Falls Fanning Field

Sat 10/18

6:00 am-6:28 pm

1 stop10h 28m

$394

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Tue 9/2

8:15 am-1:30 pm

1 stop7h 15m

Idaho Falls Fanning Field

Fri 9/5

5:00 am-3:34 pm

1 stop8h 34m

$428

NewarkIdaho Falls

EWR - IDA

EWRIDA

Newark

Wed 9/10

4:00 pm-10:39 pm

1 stop8h 39m

Idaho Falls Fanning Field

Wed 9/17

6:13 am-6:29 pm

1 stop10h 16m

$517

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 January is also cheap. Prices for this month can be found on momondo for an average of $520.

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 40% 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

Best Price Found

$198

Fastest flight time

6h 29m

Direct flights

None

Airports in Idaho Falls

1 airport
The best one-way flight to Idaho Falls from Pennsylvania in the past 72 hours is $198. The best round-trip flight deal from Pennsylvania to Idaho Falls found on momondo in the last 72 hours is $325.
The fastest flight from Pennsylvania to Idaho Falls takes 6h 29m
There are no direct flights from Pennsylvania to Idaho Falls. Popular non-direct routes for this connection are Newark Airport - Idaho Falls Fanning Field Airport, Philadelphia Airport - Idaho Falls Fanning Field Airport and Washington, D.C. Dulles Intl Airport - Idaho Falls Fanning Field Airport.
There is 1 airport near Idaho Falls: Idaho Falls Fanning Field (IDA)
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
8.0
7,981 reviews
Search Delta flights
American AirlinesPriceFrom $288Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $414Free CancellationRating
7.4
8,925 reviews
Search United 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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