What is the cheapest airline that flies from Philadelphia to Idaho Falls Fanning Field?

Alaska Airlines, American Airlines, and United Airlines are the most popular carriers operating from Philadelphia to Idaho Falls Fanning Field

What airlines fly to Idaho Falls?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Idaho Falls from Philadelphia according to our data. United Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Idaho Falls. Keep in mind that there are 3 different airlines that fly to Idaho Falls on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Philadelphia Airport to Idaho Falls Fanning Field Airport refresh daily.

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

The number of operators available for flights from Philadelphia Airport to Idaho Falls Fanning Field Airport is 2 as of November 2026.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Idaho Falls Fanning Field Airport.

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

The travel and health documents you'll need for your trip to Idaho Falls Fanning Field Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho Falls Fanning Field Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$198 Cheap Flights from Philadelphia to Idaho Falls in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Philadelphia to Idaho Falls

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7:00 am - 12:15 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

7h 15m1 stop Salt Lake City

1:00 pm - 11:57 pmIDA Idaho Falls Fanning Field-PHL Philadelphia

8h 57m1 stop Salt Lake City

$474Delta

Sun, Feb 21 - Thu, Feb 25

6:14 pm - 3:21 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

23h 07m1 stop Seattle/Tacoma Intl

8:00 am - 5:11 pmIDA Idaho Falls Fanning Field-PHL Philadelphia

31h 11m1 stop Seattle/Tacoma Intl

$479Alaska Airlines

Thu, Jan 14 - Mon, Jan 18

12:31 pm - 10:42 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

12h 11m2 stops Detroit Metropolitan Wayne County Salt Lake City

1:10 pm - 11:58 pmIDA Idaho Falls Fanning Field-PHL Philadelphia

8h 48m1 stop Salt Lake City

$509Delta

Thu, Jan 14 - Mon, Jan 18

12:32 pm - 10:25 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

11h 53m2 stops Detroit Metropolitan Wayne County Salt Lake City

1:10 pm - 11:58 pmIDA Idaho Falls Fanning Field-PHL Philadelphia

8h 48m1 stop Salt Lake City

$509Delta

Sat, Jan 23 - Sun, Jan 24

3:27 pm - 9:13 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

7h 46m1 stop Denver Intl

7:00 am - 9:40 pmIDA Idaho Falls Fanning Field-PHL Philadelphia

12h 40m2 stops Denver Intl Chicago O'Hare Intl

$514United Airlines

Tue, Feb 2 - Sat, Feb 6

7:46 am - 3:31 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

9h 45m1 stop Denver Intl

7:00 am - 9:40 pmIDA Idaho Falls Fanning Field-PHL Philadelphia

12h 40m2 stops Denver Intl Chicago O'Hare Intl

$514United Airlines

Tue, Feb 2 - Sat, Feb 6

1:19 pm - 9:13 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

9h 54m2 stops Chicago O'Hare Intl Denver Intl

7:00 am - 9:40 pmIDA Idaho Falls Fanning Field-PHL Philadelphia

12h 40m2 stops Denver Intl Chicago O'Hare Intl

$519United Airlines

Tue, Feb 2 - Sat, Feb 6

5:34 pm - 11:56 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

8h 22m1 stop Phoenix Sky Harbor Intl

5:51 pm - 5:11 amIDA Idaho Falls Fanning Field-PHL Philadelphia

9h 20m1 stop Phoenix Sky Harbor Intl

$678American Airlines

Sat, Dec 19 - Mon, Jan 4

5:34 pm - 11:56 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

8h 22m1 stop Phoenix Sky Harbor Intl

5:51 pm - 5:11 amIDA Idaho Falls Fanning Field-PHL Philadelphia

9h 20m1 stop Phoenix Sky Harbor Intl

$708American Airlines

Sat, Dec 19 - Mon, Jan 4

5:34 pm - 11:56 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

8h 22m1 stop Phoenix Sky Harbor Intl

5:51 pm - 5:11 amIDA Idaho Falls Fanning Field-PHL Philadelphia

9h 20m1 stop Phoenix Sky Harbor Intl

$737American Airlines

Sat, Dec 19 - Mon, Jan 4

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United Airlines flights from Philadelphia to Idaho Falls

Our best United Airlines deals on Philadelphia to Idaho Falls flight tickets

United Airlines

Feb 2

PHL3:27 pmPhiladelphia

7h 46m

1 stop

IDA9:13 pmIdaho Falls Fanning Field

Feb 6

IDA7:00 amIdaho Falls Fanning Field

12h 40m

2 stops

PHL9:40 pmPhiladelphia

$514

United Airlines

Feb 2

PHL1:19 pmPhiladelphia

9h 54m

2 stops

IDA9:13 pmIdaho Falls Fanning Field

Feb 6

IDA7:00 amIdaho Falls Fanning Field

12h 40m

2 stops

PHL9:40 pmPhiladelphia

$519

United Airlines

Nov 22

PHL7:45 amPhiladelphia

7h 43m

1 stop

IDA1:28 pmIdaho Falls Fanning Field

Nov 26

IDA10:35 amIdaho Falls Fanning Field

6h 56m

1 stop

PHL7:31 pmPhiladelphia

$523

Delta flights from Philadelphia to Idaho Falls

Our best Delta deals on Philadelphia to Idaho Falls flight tickets

Delta

Feb 21

PHL7:00 amPhiladelphia

7h 15m

1 stop

IDA12:15 pmIdaho Falls Fanning Field

Feb 25

IDA1:00 pmIdaho Falls Fanning Field

8h 57m

1 stop

PHL11:57 pmPhiladelphia

$474

Delta

Jan 14

PHL12:31 pmPhiladelphia

12h 11m

2 stops

IDA10:42 pmIdaho Falls Fanning Field

Jan 18

IDA1:10 pmIdaho Falls Fanning Field

8h 48m

1 stop

PHL11:58 pmPhiladelphia

$509

Delta

Jan 23

PHL12:32 pmPhiladelphia

11h 53m

2 stops

IDA10:25 pmIdaho Falls Fanning Field

Jan 24

IDA6:59 pmIdaho Falls Fanning Field

12h 30m

2 stops

PHL9:29 amPhiladelphia

$515

momondo Fare Finder

Use the filters below to find and compare flights from Philadelphia to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PhiladelphiaIdaho Falls

PHL Philadelphia - IDA Idaho Falls Fanning Field

PHLIDA

Philadelphia

Sun 2/21

7:00 am-12:15 pm

1 stop7h 15m

Idaho Falls Fanning Field

Thu 2/25

1:00 pm-11:57 pm

1 stop8h 57m

$474

PhiladelphiaIdaho Falls

PHL Philadelphia - IDA Idaho Falls Fanning Field

PHLIDA

Philadelphia

Thu 1/14

6:14 pm-3:21 pm

1 stop23h 07m

Idaho Falls Fanning Field

Mon 1/18

8:00 am-5:11 pm

1 stop31h 11m

$479

PhiladelphiaIdaho Falls

PHL Philadelphia - IDA Idaho Falls Fanning Field

PHLIDA

Philadelphia

Thu 1/14

12:31 pm-10:42 pm

2 stops12h 11m

Idaho Falls Fanning Field

Mon 1/18

1:10 pm-11:58 pm

1 stop8h 48m

$509

PhiladelphiaIdaho Falls

PHL Philadelphia - IDA Idaho Falls Fanning Field

PHLIDA

Philadelphia

Sat 1/23

12:32 pm-10:25 pm

2 stops11h 53m

Idaho Falls Fanning Field

Sun 1/24

1:10 pm-11:58 pm

1 stop8h 48m

$509

PhiladelphiaIdaho Falls

PHL Philadelphia - IDA Idaho Falls Fanning Field

PHLIDA

Philadelphia

Tue 2/2

3:27 pm-9:13 pm

1 stop7h 46m

Idaho Falls Fanning Field

Sat 2/6

7:00 am-9:40 pm

2 stops12h 40m

$514

PhiladelphiaIdaho Falls

PHL Philadelphia - IDA Idaho Falls Fanning Field

PHLIDA

Philadelphia

Tue 2/2

7:46 am-3:31 pm

1 stop9h 45m

Idaho Falls Fanning Field

Sat 2/6

7:00 am-9:40 pm

2 stops12h 40m

$514

PhiladelphiaIdaho Falls

PHL Philadelphia - IDA Idaho Falls Fanning Field

PHLIDA

Philadelphia

Tue 2/2

1:19 pm-9:13 pm

2 stops9h 54m

Idaho Falls Fanning Field

Sat 2/6

7:00 am-9:40 pm

2 stops12h 40m

$519

PhiladelphiaIdaho Falls

PHL Philadelphia - IDA Idaho Falls Fanning Field

PHLIDA

Philadelphia

Sat 12/19

5:34 pm-11:56 pm

1 stop8h 22m

Idaho Falls Fanning Field

Mon 1/4

5:51 pm-5:11 am

1 stop9h 20m

$678

PhiladelphiaIdaho Falls

PHL Philadelphia - IDA Idaho Falls Fanning Field

PHLIDA

Philadelphia

Sat 12/19

5:34 pm-11:56 pm

1 stop8h 22m

Idaho Falls Fanning Field

Mon 1/4

5:51 pm-5:11 am

1 stop9h 20m

$708

PhiladelphiaIdaho Falls

PHL Philadelphia - IDA Idaho Falls Fanning Field

PHLIDA

Philadelphia

Sat 12/19

5:34 pm-11:56 pm

1 stop8h 22m

Idaho Falls Fanning Field

Mon 1/4

5:51 pm-5:11 am

1 stop9h 20m

$737

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 Philadelphia 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

Prices

Airlines

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 March is also cheap. Prices for this month can be found on momondo for an average of $469.

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

You could potentially save up to 71% on your flight if you consider stops on a Philadelphia to Idaho Falls flight.

When to book flights from Philadelphia to Idaho Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Idaho Falls according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Philadelphia to Idaho Falls (PHL to IDA) flight deals and tips

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

Best Price Found	$198
Fastest flight time	7h 29m
Direct flights	None

The best one-way flight to Idaho Falls from Philadelphia in the past 72 hours is $198. The best round-trip flight deal from Philadelphia to Idaho Falls found on momondo in the last 72 hours is $474.

The fastest flight from Philadelphia to Idaho Falls takes 7h 29m

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

Search flight deals

Frequently asked questions about flying from Philadelphia to Idaho Falls

How far is Philadelphia to Idaho Falls Fanning Field by plane?
There are 1900.6 mi between Philadelphia and Idaho Falls Fanning Field. 7h 29m is a normal flight duration for this route.
When did momondo last update prices for flights from Philadelphia Airport to Idaho Falls Fanning Field Airport?
Prices for flights from Philadelphia Airport to Idaho Falls Fanning Field Airport refresh daily.
How many operators does momondo search for flights from Philadelphia Airport to Idaho Falls Fanning Field Airport?
The number of operators available for flights from Philadelphia Airport to Idaho Falls Fanning Field Airport is 2 as of November 2026.
How old do you have to be to fly from Philadelphia Airport to Idaho Falls Fanning Field Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Idaho Falls Fanning Field Airport.
What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?
The travel and health documents you'll need for your trip to Idaho Falls Fanning Field Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho Falls Fanning Field Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Philadelphia to Idaho Falls?
Based on momondo bookings for flights between Philadelphia and Idaho Falls, the leading airline is American Airlines, making up 45% of the total bookings. Other popular airlines include United Airlines with 37% and Delta with 18%.

Best airlines flying from Philadelphia to Idaho Falls

Compare and see reviews for airlines that fly from Philadelphia to Idaho Falls with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $354	Free Cancellation	Rating 7.8 8,700 reviews	Search Delta flights
United Airlines	PriceFrom $379	Free Cancellation	Rating 7.3 10,475 reviews	Search United Airlines flights
American Airlines	PriceFrom $413	Free Cancellation	Rating 7.0 12,225 reviews	Search American Airlines flights

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Why use momondo?

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

Finding the right flight to Idaho Falls from Philadelphia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Idaho Falls quick and easy, saving you time and money.

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

Flights from Philadelphia to Idaho Falls with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Philadelphia to Idaho Falls flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Philadelphia to Idaho Falls now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Idaho Falls and let you know when they change.

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Boise Air Term. Gowen Fld Airport

Lewiston Nez Perce Rgnl Airport

Pocatello Airport

Hailey Sun Valley-Friedman Airport

Twin Falls Joslin Airport

Cheap flights from Philadelphia 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 Philadelphia to Idaho Falls departing on 12/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Philadelphia to Idaho Falls

Our best United Airlines deals on Philadelphia to Idaho Falls flight tickets

Delta flights from Philadelphia to Idaho Falls

Our best Delta deals on Philadelphia to Idaho Falls flight tickets

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Use the filters below to find and compare flights from Philadelphia to Idaho Falls that are best for you.

See travel insights to Idaho Falls from

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

What is the cheapest month to fly to Idaho Falls?

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

What is the cheapest airline that flies from Philadelphia to Idaho Falls Fanning Field?

What airlines fly to Idaho Falls?

When to book flights from Philadelphia to Idaho Falls

Cheap Philadelphia to Idaho Falls (PHL to IDA) flight deals and tips

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Frequently asked questions about flying from Philadelphia to Idaho Falls

Best airlines flying from Philadelphia to Idaho Falls

Compare and see reviews for airlines that fly from Philadelphia to Idaho Falls with momondo

Traveling to a place near Idaho Falls?

Why use momondo?

An easier way to manage your Idaho Falls trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Idaho

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in Idaho Falls. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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