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Cheap flights from Idaho Falls to Philadelphia from $463

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Philadelphia departing on 3/31. 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 Idaho Falls to Philadelphia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:45 pm - 5:39 amIDA-PHL
8h 54m1 stop
Delta Logo
1:00 pm - 10:21 pmPHL-IDA
11h 21m2 stops
$463Delta
Find Deal
Tue, Mar 31 - Wed, Apr 1
Alaska Airlines Logo
4:00 pm - 5:23 amIDA-PHL
11h 23m1 stop
Alaska Airlines Logo
6:35 pm - 3:20 pmPHL-IDA
22h 45m1 stop
$469Alaska Airlines
Find Deal
Sat, Apr 4 - Tue, Apr 7
Delta Logo
1:05 pm - 12:22 amIDA-PHL
9h 17m2 stops
Delta Logo
1:00 pm - 10:21 pmPHL-IDA
11h 21m2 stops
$498Delta
Find Deal
Tue, Mar 31 - Wed, Apr 1
Delta Logo
1:05 pm - 12:22 amIDA-PHL
9h 17m2 stops
Delta Logo
1:00 pm - 10:21 pmPHL-IDA
11h 21m2 stops
$507Delta
Find Deal
Tue, Mar 31 - Wed, Apr 1
Multiple Airlines Logo
10:51 pm - 4:45 amIDA-PHL
27h 54m2 stops
Multiple Airlines Logo
9:48 am - 7:08 pmPHL-IDA
11h 20m1 stop
$533Multiple Airlines
Find Deal
Wed, Nov 26 - Mon, Dec 1
United Airlines Logo
2:35 pm - 10:41 pmIDA-PHL
6h 06m1 stop
United Airlines Logo
8:00 am - 1:29 pmPHL-IDA
7h 29m1 stop
$548United Airlines
Find Deal
Tue, Mar 31 - Wed, Apr 1
Multiple Airlines Logo
10:51 pm - 9:20 amIDA-PHL
32h 29m3 stops
Multiple Airlines Logo
9:48 am - 7:08 pmPHL-IDA
11h 20m1 stop
$577Multiple Airlines
Find Deal
Wed, Nov 26 - Mon, Dec 1
United Airlines Logo
5:57 pm - 2:22 pmIDA-PHL
18h 25m2 stops
United Airlines Logo
8:00 am - 1:29 pmPHL-IDA
7h 29m1 stop
$628United Airlines
Find Deal
Sat, Apr 4 - Tue, Apr 7
American Airlines Logo
7:10 am - 5:37 pmIDA-PHL
8h 27m1 stop
American Airlines Logo
9:09 pm - 1:27 pmPHL-IDA
18h 18m1 stop
$817American Airlines
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Tue, Nov 25 - Mon, Dec 1
American Airlines Logo
7:10 am - 5:37 pmIDA-PHL
8h 27m1 stop
American Airlines Logo
9:09 pm - 1:27 pmPHL-IDA
18h 18m1 stop
$869American Airlines
Find Deal
Tue, Nov 25 - Mon, Dec 1

Delta flights from Idaho Falls to Philadelphia

Our best Delta deals on Idaho Falls to Philadelphia flight tickets
Delta
Mar 31
IDA6:45 pmIdaho Falls Fanning Field
8h 54m
1 stop
PHL5:39 amPhiladelphia
Apr 1
PHL1:00 pmPhiladelphia
11h 21m
2 stops
IDA10:21 pmIdaho Falls Fanning Field
$463
Find similar
Delta
Mar 31
IDA1:05 pmIdaho Falls Fanning Field
9h 17m
2 stops
PHL12:22 amPhiladelphia
Apr 1
PHL1:00 pmPhiladelphia
11h 21m
2 stops
IDA10:21 pmIdaho Falls Fanning Field
$498
Find similar
Delta
Mar 31
IDA1:05 pmIdaho Falls Fanning Field
9h 17m
2 stops
PHL12:22 amPhiladelphia
Apr 1
PHL1:00 pmPhiladelphia
11h 21m
2 stops
IDA10:21 pmIdaho Falls Fanning Field
$507
Find similar

Alaska Airlines flights from Idaho Falls to Philadelphia

Our best Alaska Airlines deals on Idaho Falls to Philadelphia flight tickets
Alaska Airlines
Apr 4
IDA4:00 pmIdaho Falls Fanning Field
11h 23m
1 stop
PHL5:23 amPhiladelphia
Apr 7
PHL6:35 pmPhiladelphia
22h 45m
1 stop
IDA3:20 pmIdaho Falls Fanning Field
$469
Find similar
Alaska Airlines
Apr 4
IDA4:00 pmIdaho Falls Fanning Field
11h 23m
1 stop
PHL5:23 amPhiladelphia
Apr 7
PHL7:25 amPhiladelphia
17h 10m
2 stops
IDA10:35 pmIdaho Falls Fanning Field
$600
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Philadelphia 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 November 3, 2025.
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

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Tue 3/31

6:45 pm-5:39 am

1 stop8h 54m

Philadelphia

Wed 4/1

1:00 pm-10:21 pm

2 stops11h 21m

$463

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Sat 4/4

4:00 pm-5:23 am

1 stop11h 23m

Philadelphia

Tue 4/7

6:35 pm-3:20 pm

1 stop22h 45m

$469

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Tue 3/31

1:05 pm-12:22 am

2 stops9h 17m

Philadelphia

Wed 4/1

1:00 pm-10:21 pm

2 stops11h 21m

$498

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Tue 3/31

1:05 pm-12:22 am

2 stops9h 17m

Philadelphia

Wed 4/1

1:00 pm-10:21 pm

2 stops11h 21m

$507

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Wed 11/26

10:51 pm-4:45 am

2 stops27h 54m

Philadelphia

Mon 12/1

9:48 am-7:08 pm

1 stop11h 20m

$533

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Tue 3/31

2:35 pm-10:41 pm

1 stop6h 06m

Philadelphia

Wed 4/1

8:00 am-1:29 pm

1 stop7h 29m

$548

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Wed 11/26

10:51 pm-9:20 am

3 stops32h 29m

Philadelphia

Mon 12/1

9:48 am-7:08 pm

1 stop11h 20m

$577

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Sat 4/4

5:57 pm-2:22 pm

2 stops18h 25m

Philadelphia

Tue 4/7

8:00 am-1:29 pm

1 stop7h 29m

$628

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Tue 11/25

7:10 am-5:37 pm

1 stop8h 27m

Philadelphia

Mon 12/1

9:09 pm-1:27 pm

1 stop18h 18m

$817

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Tue 11/25

7:10 am-5:37 pm

1 stop8h 27m

Philadelphia

Mon 12/1

9:09 pm-1:27 pm

1 stop18h 18m

$869

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Philadelphia from

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

What is the typical price of a round-trip flight between Idaho Falls and Philadelphia?

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 $279, are often lower during this time because this is during the off-season. The month of February is another great option to travel to Philadelphia, with average flight prices from Idaho Falls averaging around $476.

What is the cheapest day to depart on your flight to Philadelphia?

The cheapest day to depart from Idaho Falls to Philadelphia is on a Friday. Travelers who choose to depart for Philadelphia on a Friday will often find tickets for as low as $608. On the other hand, Saturday is the most expensive day to depart from Idaho Falls because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $985.

What is the cheapest time of day to depart on your flight to Philadelphia?

According to our data, the cheapest time of day to fly to Philadelphia is at noon. momondo users have found flights departing from Idaho Falls to Philadelphia at noon for as low as $623. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is in the morning when prices are around $1,041.

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

Direct flights

None
There are no direct flights from Idaho Falls to Philadelphia. There are no popular flight routes from Idaho Falls to Philadelphia.
Search flight deals

  • 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 06m.

  • 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?

  • 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?

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
DeltaPriceFrom $259Free CancellationRating
7.9
8,002 reviews
Search Delta flights
American AirlinesPriceFrom $475Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
United AirlinesPriceFrom $587Free CancellationRating
7.4
8,997 reviews
Search United Airlines flights

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Cape May
Rehoboth Beach
Ocean City
Wildwood Crest
King of Prussia
Dewey Beach
Cherry Hill
Reading
Newark
North Wildwood
Dover
Avalon
Lewes
Stone Harbor
Vineland
Essington
Pottstown
New Castle
Somers Point

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.

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