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Cheap flights from Idaho Falls to Philadelphia from $199

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Philadelphia departing on 10/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Idaho Falls to Philadelphia

Cheap round-trip flights

Logo
5:41 pm - 11:30 amIDA-PHL
15h 49m2 stops
Logo
7:00 am - 11:46 amPHL-IDA
30h 46m2 stops
$395
Find Deal
Mon, Aug 25 - Sun, Aug 31
Alaska Airlines Logo
6:00 am - 6:11 pmIDA-PHL
10h 11m1 stop
Alaska Airlines Logo
7:00 am - 3:38 pmPHL-IDA
10h 38m1 stop
$398Alaska Airlines
Find Deal
Wed, Oct 8 - Sat, Oct 11
Logo
5:41 pm - 11:20 pmIDA-PHL
27h 39m3 stops
Logo
7:00 am - 11:46 amPHL-IDA
30h 46m2 stops
$399
Find Deal
Mon, Aug 25 - Sun, Aug 31
American Airlines Logo
1:17 pm - 10:57 pmIDA-PHL
7h 40m1 stop
American Airlines Logo
11:48 am - 9:19 pmPHL-IDA
11h 31m2 stops
$404American Airlines
Find Deal
Mon, Aug 25 - Sun, Aug 31
Logo
5:41 pm - 11:20 pmIDA-PHL
27h 39m3 stops
Logo
7:00 am - 11:46 amPHL-IDA
30h 46m3 stops
$418
Find Deal
Mon, Aug 25 - Sun, Aug 31
American Airlines Logo
1:58 pm - 7:57 amIDA-PHL
15h 59m2 stops
American Airlines Logo
1:45 pm - 10:34 pmPHL-IDA
10h 49m1 stop
$433American Airlines
Find Deal
Wed, Nov 12 - Mon, Nov 17
United Airlines Logo
7:00 am - 9:47 amIDA-PHL
24h 47m2 stops
United Airlines Logo
12:50 pm - 8:52 pmPHL-IDA
10h 02m2 stops
$522United Airlines
Find Deal
Wed, Oct 8 - Sat, Oct 11
United Airlines Logo
7:00 am - 9:47 amIDA-PHL
24h 47m2 stops
United Airlines Logo
8:00 am - 9:48 amPHL-IDA
27h 48m1 stop
$530United Airlines
Find Deal
Wed, Oct 8 - Thu, Oct 16
Delta Logo
6:52 pm - 5:45 amIDA-PHL
8h 53m1 stop
Delta Logo
7:00 am - 2:19 pmPHL-IDA
9h 19m1 stop
$586Delta
Find Deal
Sat, Aug 16 - Mon, Aug 18
Delta Logo
6:52 pm - 5:45 amIDA-PHL
8h 53m1 stop
Delta Logo
7:00 am - 2:19 pmPHL-IDA
9h 19m1 stop
$636Delta
Find Deal
Sat, Aug 16 - Wed, Aug 20

Delta flights from Idaho Falls to Philadelphia

Our best Delta deals on Idaho Falls to Philadelphia flight tickets
Delta
Aug 13
IDA6:52 pmIdaho Falls Fanning Field
8h 53m
1 stop
PHL5:45 amPhiladelphia
Aug 18
PHL7:00 amPhiladelphia
9h 19m
1 stop
IDA2:19 pmIdaho Falls Fanning Field
$536
Find similar
Delta
Aug 12
IDA11:20 amIdaho Falls Fanning Field
10h 30m
2 stops
PHL11:50 pmPhiladelphia
Aug 18
PHL7:00 amPhiladelphia
9h 19m
1 stop
IDA2:19 pmIdaho Falls Fanning Field
$541
Find similar
Delta
Aug 14
IDA6:52 pmIdaho Falls Fanning Field
8h 53m
1 stop
PHL5:45 amPhiladelphia
Aug 18
PHL7:00 amPhiladelphia
9h 19m
1 stop
IDA2:19 pmIdaho Falls Fanning Field
$561
Find similar

American Airlines flights from Idaho Falls to Philadelphia

Our best American Airlines deals on Idaho Falls to Philadelphia flight tickets
American Airlines
Aug 25
IDA1:17 pmIdaho Falls Fanning Field
7h 40m
1 stop
PHL10:57 pmPhiladelphia
Aug 31
PHL11:48 amPhiladelphia
11h 31m
2 stops
IDA9:19 pmIdaho Falls Fanning Field
$404
Find similar
American Airlines
Nov 12
IDA1:58 pmIdaho Falls Fanning Field
15h 59m
2 stops
PHL7:57 amPhiladelphia
Nov 17
PHL1:45 pmPhiladelphia
10h 49m
1 stop
IDA10:34 pmIdaho Falls Fanning Field
$433
Find similar
American Airlines
Nov 12
IDA7:15 amIdaho Falls Fanning Field
8h 22m
1 stop
PHL5:37 pmPhiladelphia
Nov 17
PHL11:03 amPhiladelphia
13h 31m
2 stops
IDA10:34 pmIdaho Falls Fanning Field
$456
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 August 6, 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

Mon 8/25

5:41 pm-11:30 am

2 stops15h 49m

Philadelphia

Sun 8/31

7:00 am-11:46 am

2 stops30h 46m

$395

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Wed 10/8

6:00 am-6:11 pm

1 stop10h 11m

Philadelphia

Sat 10/11

7:00 am-3:38 pm

1 stop10h 38m

$398

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Mon 8/25

5:41 pm-11:20 pm

3 stops27h 39m

Philadelphia

Sun 8/31

7:00 am-11:46 am

2 stops30h 46m

$399

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Mon 8/25

1:17 pm-10:57 pm

1 stop7h 40m

Philadelphia

Sun 8/31

11:48 am-9:19 pm

2 stops11h 31m

$404

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Mon 8/25

5:41 pm-11:20 pm

3 stops27h 39m

Philadelphia

Sun 8/31

7:00 am-11:46 am

3 stops30h 46m

$418

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Wed 11/12

1:58 pm-7:57 am

2 stops15h 59m

Philadelphia

Mon 11/17

1:45 pm-10:34 pm

1 stop10h 49m

$433

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Wed 10/8

7:00 am-9:47 am

2 stops24h 47m

Philadelphia

Sat 10/11

12:50 pm-8:52 pm

2 stops10h 02m

$522

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Wed 10/8

7:00 am-9:47 am

2 stops24h 47m

Philadelphia

Thu 10/16

8:00 am-9:48 am

1 stop27h 48m

$530

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Sat 8/16

6:52 pm-5:45 am

1 stop8h 53m

Philadelphia

Mon 8/18

7:00 am-2:19 pm

1 stop9h 19m

$586

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Sat 8/16

6:52 pm-5:45 am

1 stop8h 53m

Philadelphia

Wed 8/20

7:00 am-2:19 pm

1 stop9h 19m

$636

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 August is another great option to travel to Philadelphia, with average flight prices from Idaho Falls averaging around $526.

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

Best Price Found

$199

Fastest flight time

7h 40m

Direct flights

None

Airports in Philadelphia

1 airport
The best one-way flight to Philadelphia from Idaho Falls in the past 72 hours is $199. The best round-trip flight deal from Idaho Falls to Philadelphia found on momondo in the last 72 hours is $395.
The fastest flight from Idaho Falls to Philadelphia takes 7h 40m
There are no direct flights from Idaho Falls to Philadelphia. Popular non-direct route for this connection is Idaho Falls Fanning Field Airport - Philadelphia Airport.
There is 1 airport near Philadelphia: Philadelphia (PHL)
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 7h 40m.

  • 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
8.0
7,986 reviews
Search Delta flights
American AirlinesPriceFrom $454Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $502Free CancellationRating
7.4
8,915 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
Rehoboth Beach
Cape May
Ocean City
Wildwood Crest
King of Prussia
Reading
Dewey Beach
Newark
North Wildwood
Dover
Cherry Hill
Lewes
Avalon
Stone Harbor
Vineland
Exton
Essington
Pottstown
New Castle

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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