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

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

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 66% 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.

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 September 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.

$230 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

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:35 pm - 5:10 amIDA Idaho Falls Fanning Field-PHL Philadelphia

9h 35m1 stop Phoenix Sky Harbor Intl

9:27 am - 4:59 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

9h 32m1 stop Phoenix Sky Harbor Intl

$379American Airlines

Mon, Dec 7 - Sun, Dec 13

6:56 pm - 6:05 amIDA Idaho Falls Fanning Field-PHL Philadelphia

9h 09m1 stop Salt Lake City

7:20 am - 12:22 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

7h 02m1 stop Salt Lake City

$395Delta

Mon, Oct 12 - Thu, Oct 15

9:33 pm - 1:16 amIDA Idaho Falls Fanning Field-PHL Philadelphia

25h 43m2 stops Las Vegas Harry Reid Intl Denver Intl

8:44 pm - 4:00 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

21h 16m1 stop Las Vegas Harry Reid Intl

$432Multiple Airlines

Mon, Oct 12 - Thu, Oct 15

3:57 pm - 3:14 pmIDA Idaho Falls Fanning Field-PHL Philadelphia

21h 17m1 stop Portland

4:17 pm - 1:21 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

23h 04m1 stop Portland

$439Alaska Airlines

Tue, Oct 13 - Wed, Oct 14

5:35 pm - 5:10 amIDA Idaho Falls Fanning Field-PHL Philadelphia

9h 35m1 stop Phoenix Sky Harbor Intl

7:00 am - 1:05 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

8h 05m1 stop Dallas/Fort Worth

$470American Airlines

Mon, Dec 7 - Sun, Dec 13

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

$479United Airlines

Sat, Nov 7 - Wed, Nov 11

2:28 pm - 11:20 pmIDA Idaho Falls Fanning Field-PHL Philadelphia

6h 52m1 stop Denver Intl

11:05 am - 8:54 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

11h 49m2 stops Chicago O'Hare Intl Denver Intl

$480United Airlines

Fri, Oct 2 - Tue, Oct 6

6:56 pm - 6:05 amIDA Idaho Falls Fanning Field-PHL Philadelphia

9h 09m1 stop Salt Lake City

7:20 am - 12:22 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

7h 02m1 stop Salt Lake City

$481Delta

Sun, Oct 11 - Tue, Oct 13

6:56 pm - 6:05 amIDA Idaho Falls Fanning Field-PHL Philadelphia

9h 09m1 stop Salt Lake City

7:20 am - 12:22 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

7h 02m1 stop Salt Lake City

$481Delta

Sun, Oct 11 - Thu, Oct 15

5:50 pm - 5:10 amIDA Idaho Falls Fanning Field-PHL Philadelphia

9h 20m1 stop Phoenix Sky Harbor Intl

5:00 am - 1:13 pmPHL Philadelphia-IDA Idaho Falls Fanning Field

10h 13m1 stop Dallas/Fort Worth

$482American Airlines

Mon, Dec 21 - Wed, Dec 30

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American Airlines flights from Idaho Falls to Philadelphia

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

American Airlines

Dec 7

IDA5:35 pmIdaho Falls Fanning Field

9h 35m

1 stop

PHL5:10 amPhiladelphia

Dec 13

PHL9:27 amPhiladelphia

9h 32m

1 stop

IDA4:59 pmIdaho Falls Fanning Field

$379

American Airlines

Dec 7

IDA5:35 pmIdaho Falls Fanning Field

9h 35m

1 stop

PHL5:10 amPhiladelphia

Dec 13

PHL7:00 amPhiladelphia

8h 05m

1 stop

IDA1:05 pmIdaho Falls Fanning Field

$470

American Airlines

Dec 21

IDA5:50 pmIdaho Falls Fanning Field

9h 20m

1 stop

PHL5:10 amPhiladelphia

Dec 30

PHL5:00 amPhiladelphia

10h 13m

1 stop

IDA1:13 pmIdaho Falls Fanning Field

$482

Delta flights from Idaho Falls to Philadelphia

Our best Delta deals on Idaho Falls to Philadelphia flight tickets

Delta

Oct 12

IDA6:56 pmIdaho Falls Fanning Field

9h 09m

1 stop

PHL6:05 amPhiladelphia

Oct 15

PHL7:20 amPhiladelphia

7h 02m

1 stop

IDA12:22 pmIdaho Falls Fanning Field

$395

Delta

Oct 11

IDA6:56 pmIdaho Falls Fanning Field

9h 09m

1 stop

PHL6:05 amPhiladelphia

Oct 15

PHL7:20 amPhiladelphia

7h 02m

1 stop

IDA12:22 pmIdaho Falls Fanning Field

$481

Delta

Dec 7

IDA6:59 pmIdaho Falls Fanning Field

12h 31m

2 stops

PHL9:30 amPhiladelphia

Dec 13

PHL7:10 amPhiladelphia

7h 07m

1 stop

IDA12:17 pmIdaho Falls Fanning Field

$511

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

Idaho FallsPhiladelphia

IDA Idaho Falls Fanning Field - PHL Philadelphia

IDAPHL

Idaho Falls Fanning Field

Mon 12/7

5:35 pm-5:10 am

1 stop9h 35m

Philadelphia

Sun 12/13

9:27 am-4:59 pm

1 stop9h 32m

$379

Idaho FallsPhiladelphia

IDA Idaho Falls Fanning Field - PHL Philadelphia

IDAPHL

Idaho Falls Fanning Field

Mon 10/12

6:56 pm-6:05 am

1 stop9h 09m

Philadelphia

Thu 10/15

7:20 am-12:22 pm

1 stop7h 02m

$395

Idaho FallsPhiladelphia

IDA Idaho Falls Fanning Field - PHL Philadelphia

IDAPHL

Idaho Falls Fanning Field

Mon 10/12

9:33 pm-1:16 am

2 stops25h 43m

Philadelphia

Thu 10/15

8:44 pm-4:00 pm

1 stop21h 16m

$432

Idaho FallsPhiladelphia

IDA Idaho Falls Fanning Field - PHL Philadelphia

IDAPHL

Idaho Falls Fanning Field

Tue 10/13

3:57 pm-3:14 pm

1 stop21h 17m

Philadelphia

Wed 10/14

4:17 pm-1:21 pm

1 stop23h 04m

$439

Idaho FallsPhiladelphia

IDA Idaho Falls Fanning Field - PHL Philadelphia

IDAPHL

Idaho Falls Fanning Field

Mon 12/7

5:35 pm-5:10 am

1 stop9h 35m

Philadelphia

Sun 12/13

7:00 am-1:05 pm

1 stop8h 05m

$470

Quickest round-trip

Idaho FallsPhiladelphia

IDA Idaho Falls Fanning Field - PHL Philadelphia

IDAPHL

Idaho Falls Fanning Field

Sat 11/7

2:35 pm-11:39 pm

1 stop7h 04m

Philadelphia

Wed 11/11

7:45 am-1:28 pm

1 stop7h 43m

$479

Idaho FallsPhiladelphia

IDA Idaho Falls Fanning Field - PHL Philadelphia

IDAPHL

Idaho Falls Fanning Field

Fri 10/2

2:28 pm-11:20 pm

1 stop6h 52m

Philadelphia

Tue 10/6

11:05 am-8:54 pm

2 stops11h 49m

$480

Idaho FallsPhiladelphia

IDA Idaho Falls Fanning Field - PHL Philadelphia

IDAPHL

Idaho Falls Fanning Field

Sun 10/11

6:56 pm-6:05 am

1 stop9h 09m

Philadelphia

Tue 10/13

7:20 am-12:22 pm

1 stop7h 02m

$481

Idaho FallsPhiladelphia

IDA Idaho Falls Fanning Field - PHL Philadelphia

IDAPHL

Idaho Falls Fanning Field

Sun 10/11

6:56 pm-6:05 am

1 stop9h 09m

Philadelphia

Thu 10/15

7:20 am-12:22 pm

1 stop7h 02m

$481

Idaho FallsPhiladelphia

IDA Idaho Falls Fanning Field - PHL Philadelphia

IDAPHL

Idaho Falls Fanning Field

Mon 12/21

5:50 pm-5:10 am

1 stop9h 20m

Philadelphia

Wed 12/30

5:00 am-1:13 pm

1 stop10h 13m

$482

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 April. Flight prices, which tend to average around $389, are often lower during this time because this is during the off-season. The month of August is another great option to travel to Philadelphia, with average flight prices from Idaho Falls averaging around $429.

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	$230
Fastest flight time	6h 52m
Direct flights	None

The best one-way flight to Philadelphia from Idaho Falls in the past 72 hours is $230. 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 6h 52m

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 6h 52m.
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 September 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 48% of the total bookings. Other popular airlines include American Airlines with 29% and Delta with 23%.

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 8,586 reviews	Search Delta flights
United Airlines	PriceFrom $418	Free Cancellation	Rating 7.4 10,226 reviews	Search United Airlines flights
American Airlines	PriceFrom $508	Free Cancellation	Rating 7.1 12,080 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.