IDA - PHL

$196 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
$359
Typical prices: $448-$846
Alaska Airlines
Tue 10/2Fri 10/5
IDA - PHL • 1 stop
Cheapest one-way
$196
Typical prices: $290-$395
Multiple Airlines
Tue 10/9
IDA - PHL • 2 stops
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
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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

Fri, Oct 2 - Mon, Oct 5
Alaska Airlines Logo
3:57 pm - 3:14 pmIDA  Idaho Falls Fanning Field-PHL Philadelphia
21h 17m1 stop Portland
Alaska Airlines Logo
4:17 pm - 1:21 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
23h 04m1 stop Portland
$359Alaska Airlines
Sat, Oct 17 - Mon, Oct 19
Alaska Airlines Logo
3:57 pm - 3:14 pmIDA  Idaho Falls Fanning Field-PHL Philadelphia
21h 17m1 stop Portland
Alaska Airlines Logo
7:02 am - 3:20 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
10h 18m1 stop Seattle/Tacoma Intl
$389Alaska Airlines
Fri, Oct 23 - Mon, Oct 26
Alaska Airlines Logo
1:58 pm - 5:41 amIDA  Idaho Falls Fanning Field-PHL Philadelphia
13h 43m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
4:17 pm - 1:21 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
23h 04m1 stop Portland
$389Alaska Airlines
Wed, Sep 9 - Sun, Sep 13
United Airlines Logo
2:25 pm - 11:44 pmIDA  Idaho Falls Fanning Field-PHL Philadelphia
7h 19m1 stop Denver Intl
United Airlines Logo
8:00 am - 1:29 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
7h 29m1 stop Denver Intl
$429United 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 - 3:38 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
9h 53m1 stop Denver Intl
$459United 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
6:15 am - 3:38 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
11h 23m2 stops Chicago O'Hare Intl Denver Intl
$464United Airlines
Thu, Oct 1 - Sun, Oct 4
American Airlines Logo
2:08 pm - 12:22 amIDA  Idaho Falls Fanning Field-PHL Philadelphia
8h 14m1 stop Dallas/Fort Worth
American Airlines Logo
7:00 am - 1:28 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
8h 28m1 stop Chicago O'Hare Intl
$480American Airlines
Thu, Sep 17 - Sun, Sep 20
American Airlines Logo
2:08 pm - 12:22 amIDA  Idaho Falls Fanning Field-PHL Philadelphia
8h 14m1 stop Dallas/Fort Worth
American Airlines Logo
5:00 am - 11:45 amPHL  Philadelphia-IDA Idaho Falls Fanning Field
8h 45m1 stop Dallas/Fort Worth
$497American Airlines
Fri, Sep 18 - Tue, Sep 22
Delta Logo
6:57 pm - 6:05 amIDA  Idaho Falls Fanning Field-PHL Philadelphia
9h 08m1 stop Salt Lake City
Delta Logo
7:20 am - 12:15 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
6h 55m1 stop Salt Lake City
$549Delta
Fri, Sep 18 - Tue, Sep 22
Delta Logo
6:57 pm - 6:05 amIDA  Idaho Falls Fanning Field-PHL Philadelphia
9h 08m1 stop Salt Lake City
Delta Logo
7:05 am - 6:17 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
13h 12m2 stops Seattle/Tacoma Intl Salt Lake City
$563Delta
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 from Idaho Falls to Philadelphia with more confidence.

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

Round-trip flights from Idaho Falls to Philadelphia start at $359. Prices are below average for this route right now, with typical round-trip fares ranging from $448 to $846. The lowest price found in the past 5 days was $359 on Alaska Airlines.

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

Saturday is the cheapest day of the week to fly from Idaho Falls to Philadelphia, it is 35% cheaper than the average day. Monday is the most expensive day with flight prices 76% higher than average. Based on deals found by KAYAK users in the last 12 months.

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Key details for Idaho Falls to Philadelphia flights

Low season

November

Cheapest flight

$196
Best time to beat the crowds but there is an average 31% increase in price.
Most popular time to fly and prices are also 40% lower on average.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

  • 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.

  • 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

    Denver Intl (DEN) handles the largest share of one-stop connections on this route.

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

    On the Idaho Falls to Philadelphia route, being flexible with your departure day can save you up to 64%. Saturday is the cheapest day at $418 round-trip on average, while Monday is the most expensive at $1,138: a $720 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • 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.

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

    A nonstop flight from Idaho Falls to Philadelphia takes 0h 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.

  • 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 $359 to $1,953. That means the highest observed fare was about 5x 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 $367.

  • 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 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

  • 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.

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 can be flexible, aim for a Saturday departure instead of Monday. On this route, Saturday flights average $418 - about $720 less than Monday (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

Everything you need to know for your flight from Idaho Falls to Philadelphia

Information on your arrival and departure airports

Idaho Falls (IDA)
Philadelphia (PHL)