PHL

$131 Find Cheap Flights from Idaho 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 to Philadelphia departing on 9/1. 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

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Flight Deals

Cheap Flights from Idaho to Philadelphia

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Idaho 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 to Philadelphia

Tue, Oct 20 - Thu, Oct 29
American Airlines Logo
12:49 pm - 12:25 am
GEG
-
PHL
8h 36m
1 stop
American Airlines Logo
5:43 am - 1:21 pm
PHL
-
GEG
10h 38m
1 stop
$289American Airlines
Thu, Oct 15 - Mon, Oct 19
American Airlines Logo
2:15 pm - 12:11 am
GEG
-
PHL
6h 56m
1 stop
American Airlines Logo
5:43 am - 1:21 pm
PHL
-
GEG
10h 38m
1 stop
$289American Airlines
Sat, Sep 19 - Sat, Sep 26
United Airlines Logo
1:37 pm - 11:44 pm
GEG
-
PHL
7h 07m
1 stop
United Airlines Logo
9:27 am - 6:31 pm
PHL
-
GEG
12h 04m
1 stop
$289United Airlines
Sat, Sep 5 - Wed, Sep 9
Southwest Logo
12:45 pm - 10:55 pm
GEG
-
PHL
7h 10m
1 stop
Southwest Logo
5:10 pm - 10:30 pm
PHL
-
GEG
8h 20m
1 stop
$289Southwest
Wed, Sep 16 - Mon, Sep 21
Delta Logo
5:49 pm - 5:50 am
GEG
-
PHL
9h 01m
1 stop
Delta Logo
6:52 pm - 11:29 pm
PHL
-
GEG
7h 37m
1 stop
$289Delta
Mon, Sep 28 - Mon, Oct 5
Delta Logo
5:49 pm - 5:50 am
GEG
-
PHL
9h 01m
1 stop
Delta Logo
6:52 pm - 11:29 pm
PHL
-
GEG
7h 37m
1 stop
$289Delta
Tue, Aug 25 - Tue, Sep 1
United Airlines Logo
1:37 pm - 11:44 pm
GEG
-
PHL
7h 07m
1 stop
United Airlines Logo
1:30 pm - 8:46 pm
PHL
-
GEG
10h 16m
2 stops
$294United Airlines
Sat, Sep 5 - Wed, Sep 9
Southwest Logo
8:00 am - 10:55 pm
GEG
-
PHL
11h 55m
2 stops
Southwest Logo
5:10 pm - 10:30 pm
PHL
-
GEG
8h 20m
1 stop
$294Southwest
Wed, Sep 30 - Tue, Oct 6
Alaska Airlines Logo
6:00 am - 3:45 pm
BOI
-
PHL
7h 45m
1 stop
Alaska Airlines Logo
6:41 pm - 9:56 am
PHL
-
BOI
17h 15m
1 stop
$311Alaska Airlines
Mon, Sep 14 - Thu, Sep 17
Alaska Airlines Logo
8:25 pm - 3:45 pm
BOI
-
PHL
17h 20m
1 stop
Alaska Airlines Logo
7:00 am - 3:30 pm
PHL
-
BOI
10h 30m
1 stop
$311Alaska Airlines
Useful Info

Good to know

Low season

January

Cheapest flight

$131
Best time to beat the crowds with an average 12% drop in price.
Most popular time to fly with an average 14% increase in price.
Flight from Boise to Philadelphia

FAQs for booking flights from Idaho to Philadelphia

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

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Philadelphia from Idaho 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 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 with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho 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 up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood Crest
Newark
Essington
North Wildwood
Vineland
West Chester
Elkton
Pottstown
Somers Point
Willow Grove
Kennett Square
Voorhees
Middletown
Wyomissing
Glen Mills
Blackwood
Phoenixville
Millville
Springfield
Strasburg

Everything you need to know for your flight to Philadelphia

Information on the airport you'll fly into in Philadelphia

Philadelphia (PHL)