What airlines fly to Philadelphia?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Philadelphia from Idaho Falls according to our data. United Airlines is the first choice among our users, with 69% of people opting to fly with this airline when traveling to Philadelphia. Keep in mind that there are 3 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

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

United Airlines is the most popular carrier operating from Idaho Falls Fanning Field to Philadelphia

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

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

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

The number of operators available for flights from Idaho Falls Fanning Field Airport to Philadelphia Airport is 3 as of November 2026.

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

What documentation or ID do you need to fly to Philadelphia Airport?

The travel and health documents required for your trip to Philadelphia Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Philadelphia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$249 Cheap Flights from Idaho Falls to Philadelphia in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Idaho Falls to Philadelphia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:42 pm - 10:37 pmIDA Idaho Falls Fanning Field-PHL Philadelphia

6h 55m1 stop Dallas/Fort Worth

5:26 pm - 11:40 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

8h 14m1 stop Phoenix Sky Harbor Intl

$379American Airlines

Thu, Jan 14 - Sun, Jan 17

6:18 am - 4:12 pmIDA Idaho Falls Fanning Field-PHL Philadelphia

7h 54m1 stop Phoenix Sky Harbor Intl

4:00 pm - 11:11 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

9h 11m1 stop Phoenix Sky Harbor Intl

$379American Airlines

Thu, Jan 28 - Mon, Feb 1

6:45 pm - 5:41 amIDA Idaho Falls Fanning Field-PHL Philadelphia

8h 56m1 stop Salt Lake City

7:00 am - 12:27 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

7h 27m1 stop Salt Lake City

$379Delta

Wed, Mar 17 - Wed, Mar 24

2:30 pm - 11:37 pmIDA Idaho Falls Fanning Field-PHL Philadelphia

7h 07m1 stop Denver Intl

9:55 am - 9:10 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

13h 15m2 stops Chicago O'Hare Intl Denver Intl

$384United Airlines

Sat, Jan 30 - Sat, Feb 6

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

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

9:55 am - 9:10 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

13h 15m2 stops Chicago O'Hare Intl Denver Intl

$389United Airlines

Sat, Jan 30 - Sat, Feb 6

6:59 pm - 9:29 amIDA Idaho Falls Fanning Field-PHL Philadelphia

12h 30m2 stops Salt Lake City Atlanta Hartsfield-Jackson

10:36 am - 10:42 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

14h 06m2 stops Atlanta Hartsfield-Jackson Salt Lake City

$389Delta

Thu, Jan 28 - Mon, Feb 1

8:00 am - 5:55 pmIDA Idaho Falls Fanning Field-PHL Philadelphia

7h 55m1 stop Dallas/Fort Worth

3:14 pm - 9:43 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

8h 29m1 stop Dallas/Fort Worth

$449American Airlines

Sat, Nov 14 - Wed, Nov 18

6:45 pm - 5:41 amIDA Idaho Falls Fanning Field-PHL Philadelphia

8h 56m1 stop Salt Lake City

8:25 am - 6:14 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

11h 49m2 stops Atlanta Hartsfield-Jackson Salt Lake City

$469Delta

Wed, Mar 17 - Wed, Mar 24

1:56 pm - 5:11 pmIDA Idaho Falls Fanning Field-PHL Philadelphia

25h 15m1 stop Seattle/Tacoma Intl

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

23h 07m1 stop Seattle/Tacoma Intl

$514Alaska Airlines

Fri, Jan 15 - Sun, Jan 17

6:15 am - 4:56 pmIDA Idaho Falls Fanning Field-PHL Philadelphia

8h 41m1 stop Seattle/Tacoma Intl

7:00 am - 3:29 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

10h 29m1 stop Seattle/Tacoma Intl

$579Alaska Airlines

Wed, Mar 17 - Wed, Mar 24

Cheap last minute flights

Enter your travel dates to find the best prices.

1:53 pm - 5:32 amIDA Idaho Falls Fanning Field-PHL Philadelphia

13h 39m1 stop Seattle/Tacoma Intl

7:02 am - 3:18 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

10h 16m1 stop Seattle/Tacoma Intl

$578Alaska Airlines

Wed, Nov 4 - Sat, Nov 7

6:36 am - 7:56 pmIDA Idaho Falls Fanning Field-PHL Philadelphia

11h 20m2 stops Phoenix Sky Harbor Intl Charlotte Douglas

3:14 pm - 9:43 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

8h 29m1 stop Dallas/Fort Worth

$587American Airlines

Wed, Nov 4 - Sat, Nov 7

6:36 am - 7:56 pmIDA Idaho Falls Fanning Field-PHL Philadelphia

11h 20m2 stops Phoenix Sky Harbor Intl Charlotte Douglas

12:47 pm - 9:43 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

10h 56m2 stops Chicago O'Hare Intl Dallas/Fort Worth

$608American Airlines

Wed, Nov 4 - Sat, Nov 7

1:35 pm - 12:17 amIDA Idaho Falls Fanning Field-PHL Philadelphia

8h 42m1 stop Dallas/Fort Worth

5:00 am - 1:05 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

10h 05m1 stop Dallas/Fort Worth

$628American Airlines

Sun, Nov 8 - Sun, Nov 15

2:35 pm - 11:39 pmIDA Idaho Falls Fanning Field-PHL Philadelphia

7h 04m1 stop Denver Intl

7:45 am - 3:38 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

9h 53m1 stop Denver Intl

$727United Airlines

Sun, Nov 8 - Sun, Nov 15

2:35 pm - 11:39 pmIDA Idaho Falls Fanning Field-PHL Philadelphia

7h 04m1 stop Denver Intl

7:45 am - 1:28 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

7h 43m1 stop Denver Intl

$753United Airlines

Wed, Nov 4 - Fri, Nov 6

2:35 pm - 11:39 pmIDA Idaho Falls Fanning Field-PHL Philadelphia

7h 04m1 stop Denver Intl

6:00 am - 1:28 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

9h 28m2 stops Washington, D.C. Dulles Intl Denver Intl

$783United Airlines

Sun, Nov 8 - Sun, Nov 15

1:53 pm - 5:32 amIDA Idaho Falls Fanning Field-PHL Philadelphia

13h 39m1 stop Seattle/Tacoma Intl

7:02 am - 1:16 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

32h 14m2 stops Seattle/Tacoma Intl Portland

$841Alaska Airlines

Sun, Nov 8 - Sun, Nov 15

6:56 pm - 6:00 amIDA Idaho Falls Fanning Field-PHL Philadelphia

9h 04m1 stop Salt Lake City

12:00 pm - 9:59 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

11h 59m2 stops Atlanta Hartsfield-Jackson Salt Lake City

$849Delta

Sun, Nov 8 - Sun, Nov 15

1:53 pm - 5:32 amIDA Idaho Falls Fanning Field-PHL Philadelphia

13h 39m1 stop Seattle/Tacoma Intl

7:02 am - 1:16 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

32h 14m2 stops Seattle/Tacoma Intl Portland

$876Alaska Airlines

Sun, Nov 8 - Sun, Nov 15

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Delta flights from Idaho Falls to Philadelphia

Our best Delta deals on Idaho Falls to Philadelphia flight tickets

Delta

Jan 28

IDA6:59 pmIdaho Falls Fanning Field

12h 30m

2 stops

PHL9:29 amPhiladelphia

Feb 1

PHL10:36 amPhiladelphia

14h 06m

2 stops

IDA10:42 pmIdaho Falls Fanning Field

$389

Delta

Mar 17

IDA6:45 pmIdaho Falls Fanning Field

8h 56m

1 stop

PHL5:41 amPhiladelphia

Mar 24

PHL8:25 amPhiladelphia

11h 49m

2 stops

IDA6:14 pmIdaho Falls Fanning Field

$469

Delta

Nov 8

IDA6:56 pmIdaho Falls Fanning Field

9h 04m

1 stop

PHL6:00 amPhiladelphia

Nov 15

PHL12:00 pmPhiladelphia

11h 59m

2 stops

IDA9:59 pmIdaho Falls Fanning Field

$849

United Airlines flights from Idaho Falls to Philadelphia

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

United Airlines

Jan 30

IDA2:30 pmIdaho Falls Fanning Field

7h 07m

1 stop

PHL11:37 pmPhiladelphia

Feb 6

PHL9:55 amPhiladelphia

13h 15m

2 stops

IDA9:10 pmIdaho Falls Fanning Field

$384

United Airlines

Jan 28

IDA2:30 pmIdaho Falls Fanning Field

7h 07m

1 stop

PHL11:37 pmPhiladelphia

Feb 1

PHL1:19 pmPhiladelphia

9h 51m

2 stops

IDA9:10 pmIdaho Falls Fanning Field

$394

United Airlines

Jan 14

IDA7:00 amIdaho Falls Fanning Field

8h 44m

2 stops

PHL5:44 pmPhiladelphia

Jan 17

PHL11:39 amPhiladelphia

11h 31m

2 stops

IDA9:10 pmIdaho Falls Fanning Field

$398

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Idaho FallsPhiladelphia

IDA Idaho Falls Fanning Field - PHL Philadelphia

IDAPHL

Idaho Falls Fanning Field

Thu 1/14

1:42 pm-10:37 pm

1 stop6h 55m

Philadelphia

Sun 1/17

5:26 pm-11:40 pm

1 stop8h 14m

$379

Idaho FallsPhiladelphia

IDA Idaho Falls Fanning Field - PHL Philadelphia

IDAPHL

Idaho Falls Fanning Field

Thu 1/28

6:18 am-4:12 pm

1 stop7h 54m

Philadelphia

Mon 2/1

4:00 pm-11:11 pm

1 stop9h 11m

$379

Idaho FallsPhiladelphia

IDA Idaho Falls Fanning Field - PHL Philadelphia

IDAPHL

Idaho Falls Fanning Field

Wed 3/17

6:45 pm-5:41 am

1 stop8h 56m

Philadelphia

Wed 3/24

7:00 am-12:27 pm

1 stop7h 27m

$379

Idaho FallsPhiladelphia

IDA Idaho Falls Fanning Field - PHL Philadelphia

IDAPHL

Idaho Falls Fanning Field

Sat 1/30

2:30 pm-11:37 pm

1 stop7h 07m

Philadelphia

Sat 2/6

9:55 am-9:10 pm

2 stops13h 15m

$384

Idaho FallsPhiladelphia

IDA Idaho Falls Fanning Field - PHL Philadelphia

IDAPHL

Idaho Falls Fanning Field

Sat 1/30

7:00 am-9:40 pm

2 stops12h 40m

Philadelphia

Sat 2/6

9:55 am-9:10 pm

2 stops13h 15m

$389

Idaho FallsPhiladelphia

IDA Idaho Falls Fanning Field - PHL Philadelphia

IDAPHL

Idaho Falls Fanning Field

Thu 1/28

6:59 pm-9:29 am

2 stops12h 30m

Philadelphia

Mon 2/1

10:36 am-10:42 pm

2 stops14h 06m

$389

Idaho FallsPhiladelphia

IDA Idaho Falls Fanning Field - PHL Philadelphia

IDAPHL

Idaho Falls Fanning Field

Sat 11/14

8:00 am-5:55 pm

1 stop7h 55m

Philadelphia

Wed 11/18

3:14 pm-9:43 pm

1 stop8h 29m

$449

Idaho FallsPhiladelphia

IDA Idaho Falls Fanning Field - PHL Philadelphia

IDAPHL

Idaho Falls Fanning Field

Wed 3/17

6:45 pm-5:41 am

1 stop8h 56m

Philadelphia

Wed 3/24

8:25 am-6:14 pm

2 stops11h 49m

$469

Idaho FallsPhiladelphia

IDA Idaho Falls Fanning Field - PHL Philadelphia

IDAPHL

Idaho Falls Fanning Field

Fri 1/15

1:56 pm-5:11 pm

1 stop25h 15m

Philadelphia

Sun 1/17

6:14 pm-3:21 pm

1 stop23h 07m

$514

Idaho FallsPhiladelphia

IDA Idaho Falls Fanning Field - PHL Philadelphia

IDAPHL

Idaho Falls Fanning Field

Wed 3/17

6:15 am-4:56 pm

1 stop8h 41m

Philadelphia

Wed 3/24

7:00 am-3:29 pm

1 stop10h 29m

$579

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 Idaho Falls to Philadelphia

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 Philadelphia?

The cheapest month to fly to Philadelphia from Idaho Falls is in November. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. The month of October is another great option to travel to Philadelphia, with average flight prices from Idaho Falls averaging around $0.

When to book flights from Idaho Falls to Philadelphia

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

Estimated round-trip price

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

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

Best Price Found	$249
Fastest flight time	7h 01m
Direct flights	None

The best one-way flight to Philadelphia from Idaho Falls in the past 72 hours is $249. The best round-trip flight deal from Idaho Falls to Philadelphia found on momondo in the last 72 hours is $379.

The fastest flight from Idaho Falls to Philadelphia takes 7h 01m

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

Search flight deals

Frequently asked questions about flying from Idaho Falls to Philadelphia

How far is Idaho Falls Fanning Field to Philadelphia by plane?
A flight from Idaho Falls Fanning Field to Philadelphia will travel around 1900.6 mi. A reasonable flight in good conditions will take 7h 01m.
When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Philadelphia Airport?
Prices for flights from Idaho Falls Fanning Field Airport to Philadelphia Airport are updated daily.
How many operators does momondo search for flights from Idaho Falls Fanning Field Airport to Philadelphia Airport?
The number of operators available for flights from Idaho Falls Fanning Field Airport to Philadelphia Airport is 3 as of November 2026.
How old do you have to be to fly from Idaho Falls Fanning Field Airport to Philadelphia 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 Idaho Falls Fanning Field Airport to Philadelphia Airport.
What documentation or ID do you need to fly to Philadelphia Airport?
The travel and health documents required for your trip to Philadelphia Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Philadelphia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Idaho Falls to Philadelphia?
Based on momondo bookings for flights between Idaho Falls and Philadelphia, the leading airline is United Airlines, making up 43% of the total bookings. Other popular airlines include American Airlines with 31% and Delta with 26%.

Best airlines flying from Idaho Falls to Philadelphia

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $354	Free Cancellation	Rating 7.8 8,696 reviews	Search Delta flights
United Airlines	PriceFrom $418	Free Cancellation	Rating 7.3 10,459 reviews	Search United Airlines flights
American Airlines	PriceFrom $508	Free Cancellation	Rating 7.0 12,229 reviews	Search American Airlines flights

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Why use momondo?

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

Finding the right flight to Philadelphia from Idaho Falls 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 Philadelphia quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Philadelphia from Idaho Falls which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Philadelphia from Idaho Falls.

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

Of course. momondo tracks the price of Idaho Falls to Philadelphia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.