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IDA - PHL

$198 Find Cheap Flights from Idaho Falls to Philadelphia - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$384
Typical prices: $429-$846
Delta
Thu 11/8Thu 11/15
IDA - PHL • 1 stop
Cheapest one-way
$198
Typical prices: $317-$395
American Airlines
Wed 11/14
IDA - PHL • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Idaho Falls and Philadelphia. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
April
Cheapest • 39% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Salt Lake City (SLC)
Cheapest • Avg $526 (round-trip)
Denver Intl (DEN)
Shortest trip • 7h 17m (one-way)
Insights
Insights
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Cheap Flights from Idaho Falls to Philadelphia (IDA-PHL)

 

Cheap flights from Idaho Falls to Philadelphia with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Sun, Nov 8 - Sun, Nov 15
Delta Logo
6:56 pm - 6:00 amIDA  Idaho Falls Fanning Field-PHL Philadelphia
9h 04m1 stop Salt Lake City
Delta Logo
5:15 am - 12:15 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
9h 00m2 stops Atlanta Hartsfield-Jackson Salt Lake City
$384Delta
Thu, Jan 21 - Mon, Jan 25
United Airlines Logo
7:00 am - 3:49 pmIDA  Idaho Falls Fanning Field-PHL Philadelphia
6h 49m1 stop Denver Intl
United Airlines Logo
1:19 pm - 9:10 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
9h 51m2 stops Chicago O'Hare Intl Denver Intl
$384United Airlines
Thu, Jan 21 - Mon, Jan 25
United Airlines Logo
7:00 am - 5:44 pmIDA  Idaho Falls Fanning Field-PHL Philadelphia
8h 44m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
10:25 am - 9:10 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
12h 45m2 stops Washington, D.C. Dulles Intl Denver Intl
$389United Airlines
Fri, Oct 23 - Mon, Nov 9
Delta Logo
6:56 pm - 6:05 amIDA  Idaho Falls Fanning Field-PHL Philadelphia
9h 09m1 stop Salt Lake City
Delta Logo
7:15 am - 12:15 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
7h 00m1 stop Salt Lake City
$414Delta
Sun, Nov 8 - Sun, Nov 15
Delta Logo
6:56 pm - 6:00 amIDA  Idaho Falls Fanning Field-PHL Philadelphia
9h 04m1 stop Salt Lake City
Delta Logo
7:00 am - 6:17 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
13h 17m2 stops Seattle/Tacoma Intl Salt Lake City
$446Delta
Tue, Oct 20 - Sat, Oct 24
United Airlines Logo
10:35 am - 7:33 pmIDA  Idaho Falls Fanning Field-PHL Philadelphia
6h 58m1 stop Denver Intl
United Airlines Logo
3:52 pm - 8:54 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
7h 02m1 stop Denver Intl
$449United Airlines
Mon, Nov 23 - Wed, Dec 2
Multiple Airlines Logo
10:25 pm - 6:01 amIDA  Idaho Falls Fanning Field-PHL Philadelphia
29h 36m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
6:40 pm - 12:51 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
44h 11m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl
$486Multiple Airlines
Fri, Nov 13 - Sat, Nov 21
American Airlines Logo
1:35 pm - 12:17 amIDA  Idaho Falls Fanning Field-PHL Philadelphia
8h 42m1 stop Dallas/Fort Worth
American Airlines Logo
3:05 pm - 9:51 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
8h 46m1 stop Dallas/Fort Worth
$502American Airlines
Fri, Nov 13 - Sat, Nov 21
American Airlines Logo
8:00 am - 5:55 pmIDA  Idaho Falls Fanning Field-PHL Philadelphia
7h 55m1 stop Dallas/Fort Worth
American Airlines Logo
1:53 pm - 10:31 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
10h 38m2 stops Charlotte Douglas Phoenix Sky Harbor Intl
$507American Airlines
Sun, Nov 8 - Sun, Nov 15
Alaska Airlines Logo
1:53 pm - 5:32 amIDA  Idaho Falls Fanning Field-PHL Philadelphia
13h 39m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:02 am - 10:54 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
17h 52m1 stop Seattle/Tacoma Intl
$596Alaska Airlines

Price, demand and travel trends for Idaho Falls to Philadelphia flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Idaho Falls to Philadelphia?

Round-trip flights from Idaho Falls to Philadelphia typically range from $429 to $846. The lowest price found in the past 5 days was $384, on Delta.

What's the cheapest day of the week to fly from Idaho Falls to Philadelphia?

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from Idaho Falls to Philadelphia. It’s 35% cheaper than the average day, while Monday is the most expensive, with prices 79% higher.

Find deals

Key details for Idaho Falls to Philadelphia flights

Low season

November

Cheapest flight

$198
Beat the crowds with an average 77% drop in travelers.
The most popular month to fly with an average 86% increase in travelers.
One-way flight from Idaho Falls to Philadelphia

When to book flights from Idaho Falls to Philadelphia

Are your dates flexible? Find out the best times to travel from Idaho Falls to Philadelphia based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Idaho Falls to Philadelphia flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Idaho Falls to Philadelphia?

    Only Economy Class is available on flights from Idaho Falls to Philadelphia.

  • How long is a flight from Idaho Falls to Philadelphia?

    A nonstop flight from Idaho Falls to Philadelphia takes 00m, covering 1,899 miles.

  • Do I need a passport to fly from Idaho Falls to Philadelphia?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Idaho Falls to Philadelphia flight?

    Round-trip flights from Idaho Falls to Philadelphia range from $429 to $846, with an average of $634 over the past 12 months. Anything below $429 counts as a good deal.

  • Have flight prices from Idaho Falls to Philadelphia changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $384 to $1,512. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Idaho Falls to Philadelphia looking right now?

    One-way fares from Idaho Falls to Philadelphia are currently in line with typical prices for this route. Average one-way fares are about $371.

  • What car rental options are available at Philadelphia Airport (PHL)?

    Philadelphia Airport (PHL) hosts 5 major car rental companies, with daily rates starting from around $28 for economy cars. Top options include:

    • Payless
    • Dollar
    • Hertz
    • Thrifty
    • Alamo

  • Which airports can I use when flying from Idaho Falls to Philadelphia?

    Flights from Idaho Falls to Philadelphia usually depart from Idaho Falls Fanning Field (IDA) and arrive at Philadelphia (PHL).

  • Which airports do connecting flights from Idaho Falls to Philadelphia pass through?

    One-stop flights from Idaho Falls to Philadelphia most commonly connect through:

    • Denver Intl (DEN) - 49% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 14% of one-stop connections
    • Salt Lake City (SLC) - 14% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 11% of one-stop connections

  • Can I save money by using flexible dates for flights from Idaho Falls to Philadelphia?

    Yes. Flexible dates can save you up to 64% on flights from Idaho Falls to Philadelphia. Saturday is the cheapest departure day at $418 round-trip on average, while Monday is the most expensive at $1,138, a difference of $720.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different layover airport from Idaho Falls to Philadelphia?

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 7h 17m, compared with 7h 25m via Chicago O'Hare Intl (ORD) and 8h 26m via Dallas/Fort Worth (DFW).

  • What is the time difference between Idaho Falls and Philadelphia?

    Philadelphia is 2 hours ahead of Idaho Falls (Eastern Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Philadelphia?

    Some of the most popular sights in Philadelphia are Philadelphia Convention Center, Rittenhouse Square and Philadelphia Stadium. These are among the most viewed places in Philadelphia on KAYAK.

Your guide to booking Idaho Falls to Philadelphia flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Saturday departure and avoid flying on Monday. On this route, Saturday flights average $418, about $720 less than Monday fares (63% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Idaho Falls to Philadelphia trip for April. Fares historically average $389 round-trip in that month - typically $760 less than the most expensive month, which is May (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Philadelphia Airport.

    • Embassy Suites by Hilton Philadelphia Airport
    • Sonesta Select Philadelphia Airport
    • DoubleTree by Hilton Philadelphia Airport

More options for your flight from Idaho Falls to Philadelphia

Complete your trip to Philadelphia with a hotel stay or car rental

Car rentals in Philadelphia
Hotels in Philadelphia
Vacations in Philadelphia