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 68% 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 August 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.

$359 Cheap Flights from Idaho Falls to Philadelphia in 2026

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.

1:43 pm - 11:59 pm-

8h 16m

5:43 am - 1:09 pm-

9h 26m

$359American Airlines

Wed, Aug 26 - Mon, Aug 31

3:57 pm - 3:45 pm-

21h 48m

4:48 pm - 1:24 pm-

22h 36m

$359Alaska Airlines

Sat, Sep 12 - Fri, Sep 25

1:58 pm - 10:49 pm-

6h 51m

5:43 am - 1:20 pm-

9h 37m

$379American Airlines

Fri, Oct 2 - Mon, Oct 5

3:57 pm - 3:45 pm-

21h 48m

4:48 pm - 1:24 pm-

22h 36m

$389Alaska Airlines

Fri, Sep 18 - Mon, Sep 21

3:57 pm - 3:45 pm-

21h 48m

4:48 pm - 1:24 pm-

22h 36m

$394Alaska Airlines

Fri, Sep 18 - Mon, Sep 21

10:35 am - 12:59 am-

12h 24m

3:48 pm - 9:18 pm-

7h 30m

$399United Airlines

Wed, Aug 26 - Mon, Aug 31

2:28 pm - 11:20 pm-

6h 52m

8:00 am - 3:24 pm-

9h 24m

$457United Airlines

Fri, Oct 2 - Sun, Oct 4

1:43 pm - 11:59 pm-

8h 16m

5:43 am - 1:09 pm-

9h 26m

$535American Airlines

Fri, Aug 28 - Fri, Sep 4

6:57 pm - 6:05 am-

9h 08m

7:05 am - 6:17 pm-

13h 12m

$582Delta

Fri, Oct 2 - Sun, Oct 4

7:00 pm - 6:05 am-

9h 05m

7:20 am - 2:35 pm-

9h 15m

$805Delta

Sun, Aug 16 - Thu, Aug 20

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Alaska Airlines flights from Idaho Falls to Philadelphia

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

Alaska Airlines

Sep 18

IDA3:57 pmIdaho Falls Fanning Field

21h 48m

1 stop

PHL3:45 pmPhiladelphia

Sep 21

PHL4:48 pmPhiladelphia

22h 36m

1 stop

IDA1:24 pmIdaho Falls Fanning Field

$389

Alaska Airlines

Sep 18

IDA3:57 pmIdaho Falls Fanning Field

21h 48m

1 stop

PHL3:45 pmPhiladelphia

Sep 21

PHL4:48 pmPhiladelphia

22h 36m

1 stop

IDA1:24 pmIdaho Falls Fanning Field

$394

Alaska Airlines

Oct 2

IDA2:01 pmIdaho Falls Fanning Field

13h 39m

1 stop

PHL5:40 amPhiladelphia

Oct 5

PHL4:17 pmPhiladelphia

23h 04m

1 stop

IDA1:21 pmIdaho Falls Fanning Field

$419

American Airlines flights from Idaho Falls to Philadelphia

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

American Airlines

Aug 26

IDA1:43 pmIdaho Falls Fanning Field

8h 16m

1 stop

PHL11:59 pmPhiladelphia

Aug 31

PHL5:43 amPhiladelphia

9h 26m

1 stop

IDA1:09 pmIdaho Falls Fanning Field

$359

American Airlines

Aug 28

IDA1:43 pmIdaho Falls Fanning Field

8h 16m

1 stop

PHL11:59 pmPhiladelphia

Sep 4

PHL5:43 amPhiladelphia

9h 26m

1 stop

IDA1:09 pmIdaho Falls Fanning Field

$535

American Airlines

Aug 6

IDA2:20 pmIdaho Falls Fanning Field

7h 59m

1 stop

PHL12:19 amPhiladelphia

Aug 9

PHL5:43 amPhiladelphia

9h 26m

1 stop

IDA1:09 pmIdaho Falls Fanning Field

$640

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Wed 8/26

1:43 pm-11:59 pm

1 stop8h 16m

Philadelphia

Mon 8/31

5:43 am-1:09 pm

1 stop9h 26m

$359

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Sat 9/12

3:57 pm-3:45 pm

1 stop21h 48m

Philadelphia

Fri 9/25

4:48 pm-1:24 pm

1 stop22h 36m

$359

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Fri 10/2

1:58 pm-10:49 pm

1 stop6h 51m

Philadelphia

Mon 10/5

5:43 am-1:20 pm

1 stop9h 37m

$379

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Fri 9/18

3:57 pm-3:45 pm

1 stop21h 48m

Philadelphia

Mon 9/21

4:48 pm-1:24 pm

1 stop22h 36m

$389

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Fri 9/18

3:57 pm-3:45 pm

1 stop21h 48m

Philadelphia

Mon 9/21

4:48 pm-1:24 pm

1 stop22h 36m

$394

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Wed 8/26

10:35 am-12:59 am

2 stops12h 24m

Philadelphia

Mon 8/31

3:48 pm-9:18 pm

1 stop7h 30m

$399

Quickest round-trip

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Fri 10/2

2:28 pm-11:20 pm

1 stop6h 52m

Philadelphia

Sun 10/4

8:00 am-3:24 pm

1 stop9h 24m

$457

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Fri 8/28

1:43 pm-11:59 pm

1 stop8h 16m

Philadelphia

Fri 9/4

5:43 am-1:09 pm

1 stop9h 26m

$535

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Fri 10/2

6:57 pm-6:05 am

1 stop9h 08m

Philadelphia

Sun 10/4

7:05 am-6:17 pm

2 stops13h 12m

$582

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Sun 8/16

7:00 pm-6:05 am

1 stop9h 05m

Philadelphia

Thu 8/20

7:20 am-2:35 pm

1 stop9h 15m

$805

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 typical price of a round-trip flight between Idaho Falls and Philadelphia?

Prices are currently low for flights on this route.

Typical prices usually range from $429 to $600.
The lowest price recently found on this route was $359.

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 $488.

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

Fastest flight time	6h 11m
Direct flights	None

The fastest flight from Idaho Falls to Philadelphia takes 6h 11m

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 11m.
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 August 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 47% of the total bookings. Other popular airlines include American Airlines with 33% and Delta with 21%.

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 8,483 reviews	Search Delta flights
United Airlines	PriceFrom $418	Free Cancellation	Rating 7.4 10,059 reviews	Search United Airlines flights
American Airlines	PriceFrom $475	Free Cancellation	Rating 7.1 11,845 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.