IDA - PHL

$387 Find Cheap Flights from Idaho Falls to Philadelphia - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$387
Typical prices: $448-$846
American Airlines
Fri 12/7Thu 12/13
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 • 40% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Salt Lake City (SLC)
Cheapest • Avg $555 (round-trip)
Denver Intl (DEN)
Shortest trip • 7h 19m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Philadelphia!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Idaho Falls to Philadelphia (IDA-PHL)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Idaho Falls to Philadelphia

Mon, Dec 7 - Sun, Dec 13
American Airlines Logo
5:35 pm - 5:10 amIDA  Idaho Falls Fanning Field-PHL Philadelphia
9h 35m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
9:27 am - 4:59 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
9h 32m1 stop Phoenix Sky Harbor Intl
$387American Airlines
Mon, Dec 21 - Wed, Dec 30
American Airlines Logo
5:50 pm - 5:10 amIDA  Idaho Falls Fanning Field-PHL Philadelphia
9h 20m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
5:34 pm - 11:46 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
8h 12m1 stop Phoenix Sky Harbor Intl
$448American Airlines
Sat, Nov 7 - Wed, Nov 11
Alaska Airlines Logo
6:04 am - 4:45 pmIDA  Idaho Falls Fanning Field-PHL Philadelphia
8h 41m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:02 am - 3:18 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
10h 16m1 stop Seattle/Tacoma Intl
$459Alaska Airlines
Mon, Oct 19 - Mon, Oct 26
American Airlines Logo
1:50 pm - 10:52 pmIDA  Idaho Falls Fanning Field-PHL Philadelphia
7h 02m1 stop Chicago O'Hare Intl
American Airlines Logo
5:43 am - 1:20 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
9h 37m1 stop Chicago O'Hare Intl
$467American Airlines
Sat, Nov 7 - Wed, Nov 11
Alaska Airlines Logo
6:04 am - 4:45 pmIDA  Idaho Falls Fanning Field-PHL Philadelphia
8h 41m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:02 am - 3:18 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
10h 16m1 stop Seattle/Tacoma Intl
$485Alaska Airlines
Sat, Nov 7 - Wed, Nov 11
Alaska Airlines Logo
6:04 am - 4:45 pmIDA  Idaho Falls Fanning Field-PHL Philadelphia
8h 41m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:02 am - 3:18 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
10h 16m1 stop Seattle/Tacoma Intl
$489Alaska Airlines
Sat, Nov 7 - Wed, Nov 11
United Airlines Logo
2:35 pm - 11:39 pmIDA  Idaho Falls Fanning Field-PHL Philadelphia
7h 04m1 stop Denver Intl
United Airlines Logo
7:45 am - 1:28 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
7h 43m1 stop Denver Intl
$499United Airlines
Sat, Nov 7 - Wed, Nov 11
United Airlines Logo
10:35 am - 10:57 pmIDA  Idaho Falls Fanning Field-PHL Philadelphia
10h 22m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
7:45 am - 3:38 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
9h 53m1 stop Denver Intl
$504United Airlines
Mon, Dec 7 - Sun, Dec 13
Delta Logo
6:59 pm - 9:29 amIDA  Idaho Falls Fanning Field-PHL Philadelphia
12h 30m2 stops Salt Lake City Atlanta Hartsfield-Jackson
Delta Logo
7:10 am - 12:17 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
7h 07m1 stop Salt Lake City
$547Delta
Mon, Oct 19 - Mon, Oct 26
Delta Logo
6:56 pm - 9:29 amIDA  Idaho Falls Fanning Field-PHL Philadelphia
12h 33m2 stops Salt Lake City Atlanta Hartsfield-Jackson
Delta Logo
3:05 pm - 10:10 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
9h 05m2 stops Minneapolis St Paul Salt Lake City
$779Delta
Booking Insights

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 $448 to $846. The lowest price found in the past 5 days was $387, on American Airlines.

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 76% higher.

Find deals

Key details for Idaho Falls to Philadelphia flights

Low season

November

Cheapest flight

$387
Beat the crowds with an average 55% drop in travelers.
The most popular month to fly with an average 82% increase in travelers.
Round-trip 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 $448 to $846, with an average of $643 over the past 12 months. Anything below $448 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 $387 to $1,118. That means the highest observed fare was about 3x higher than the lowest one.

  • 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
    • Budget

  • 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) - 46% of one-stop connections
    • Dallas/Fort Worth (DFW) - 15% of one-stop connections
    • Salt Lake City (SLC) - 15% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 12% 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 19m, compared with 7h 25m via Chicago O'Hare Intl (ORD) and 8h 27m via Salt Lake City (SLC).

  • 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
    • DoubleTree by Hilton Philadelphia Airport
    • Microtel Inn & Suites by Wyndham 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