IDA - PHL

$274 Find Cheap Flights from Idaho Falls to Philadelphia - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Idaho Falls to Philadelphia departing on 9/13. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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
$364
Typical prices: $536-$846
Delta
Tue 11/17Thu 11/26
IDA - PHL • 2 stops
Cheapest one-way
$274
Typical prices: $395-$539
Multiple Airlines
Sun 9/13
IDA - PHL • 3 stops
Nonstop flights
Not available
There are currently no direct flights between Idaho Falls and Philadelphia. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Salt Lake City (SLC)
Cheapest • Avg $555 (round-trip)
Denver (DEN)
Shortest trip • 6h 57m (one-way)
Insights
Insights
Insights
Insights
When to travel
April
Cheapest • 51% price drop
October
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Idaho Falls to Philadelphia that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Idaho Falls to Philadelphia

Tue, Nov 17 - Thu, Nov 26
Delta Logo
1:11 pm - 12:55 amIDA  Idaho Falls Fanning Field-PHL Philadelphia
9h 44m2 stops Salt Lake City Atlanta Hartsfield-Jackson
Delta Logo
7:15 am - 12:15 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
7h 00m1 stop Salt Lake City
$364Delta
Thu, Nov 19 - Thu, Nov 26
Delta Logo
6:56 pm - 6:00 amIDA  Idaho Falls Fanning Field-PHL Philadelphia
9h 04m1 stop Salt Lake City
Delta Logo
7:15 am - 12:15 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
7h 00m1 stop Salt Lake City
$389Delta
Thu, Sep 17 - Mon, Sep 21
American Airlines Logo
12:15 pm - 12:22 amIDA  Idaho Falls Fanning Field-PHL Philadelphia
10h 07m1 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
$389American Airlines
Fri, Oct 2 - Mon, Oct 5
American Airlines Logo
1:58 pm - 10:49 pmIDA  Idaho Falls Fanning Field-PHL Philadelphia
6h 51m1 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
$389American Airlines
Sat, Oct 24 - Wed, Oct 28
Alaska Airlines Logo
6:09 am - 5:38 pmIDA  Idaho Falls Fanning Field-PHL Philadelphia
9h 29m1 stop Seattle/Tacoma Intl
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 2 - Mon, Oct 5
Alaska Airlines Logo
2:01 pm - 5:40 amIDA  Idaho Falls Fanning Field-PHL Philadelphia
13h 39m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:41 pm - 3:20 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
22h 39m1 stop Seattle/Tacoma Intl
$389Alaska Airlines
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
6:41 pm - 3:20 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
22h 39m1 stop Seattle/Tacoma Intl
$389Alaska Airlines
Fri, Aug 28 - Tue, Sep 1
United Airlines Logo
2:25 pm - 11:44 pmIDA  Idaho Falls Fanning Field-PHL Philadelphia
7h 19m1 stop Denver Intl
United Airlines Logo
1:30 pm - 9:18 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
9h 48m2 stops Chicago O'Hare Intl Denver Intl
$434United Airlines
Fri, Nov 20 - Thu, Nov 26
Delta Logo
6:56 pm - 6:00 amIDA  Idaho Falls Fanning Field-PHL Philadelphia
9h 04m1 stop Salt Lake City
Delta Logo
7:15 am - 12:15 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
7h 00m1 stop Salt Lake City
$509Delta
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
2:25 pm - 11:44 pmIDA  Idaho Falls Fanning Field-PHL Philadelphia
7h 19m1 stop Denver Intl
United Airlines Logo
10:05 am - 5:16 pmPHL  Philadelphia-IDA Idaho Falls Fanning Field
9h 11m1 stop Denver Intl
$529United Airlines
Booking Insights

KAYAK's insights & trends for Idaho Falls to Philadelphia flights

Get data-powered insights and trends into flights from Idaho Falls to Philadelphia to help you find the cheapest flights, the best time to fly and much more.

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

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Idaho Falls to Philadelphia departing in November.

Flight prices are below average for this route right now.

Flights to Philadelphia from Idaho Falls usually cost between $429 and $448 in November.
The lowest price found in the past 5 days was $364 on Delta (Nov 17-Nov 26).

What is the cheapest month to fly from Idaho Falls to Philadelphia?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Idaho Falls to Philadelphia, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Idaho Falls to Philadelphia is April, where tickets cost $389 (return) on average. On the other hand, the most expensive months are December and May, where the average cost of round-trip tickets is $1,469 and $1,149 respectively.

Find deals

Good to know

Low season

January

Cheapest flight

$274
Best time to beat the crowds with an average 37% drop in price.
Most popular time to fly and prices are also 7% 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
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Idaho Falls to Philadelphia

  • What is the cheapest flight from Idaho Falls to Philadelphia?

    In the last 5 days, the lowest price for a flight from Idaho Falls to Philadelphia was $274 for a one-way ticket and $364 for a round-trip.

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

    A passport is not required to fly from Idaho Falls to Philadelphia.

  • Which airports will I be using when flying from Idaho Falls to Philadelphia?

    When flying out of Idaho Falls you will be using Idaho Falls Fanning Field. You will be landing at Philadelphia, also known as Philadelphia.

  • Which aircraft models fly most regularly from Idaho Falls to Philadelphia?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Idaho Falls to Philadelphia?

    SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between Idaho Falls and Philadelphia, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from Idaho Falls to Philadelphia, Delta or United Airlines?

    The two airlines most popular with KAYAK users for flights from Idaho Falls to Philadelphia are Delta and United Airlines. With an average price for the route of $419 and an overall rating of 7.8, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $1,149 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Idaho Falls to Philadelphia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Idaho Falls to Philadelphia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho Falls to Philadelphia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Philadelphia from Idaho Falls is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Idaho Falls to Philadelphia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Philadelphia with an airline and back to Idaho Falls with another airline. Booking your flights between Idaho Falls and PHL can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho Falls to Philadelphia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Philadelphia from Idaho Falls up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

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)