How long does it take to fly to Philadelphia?

If you’re flying from a popular airport in Idaho, such as Twin Falls or Boise, and flying into Philadelphia, then you can expect flight times to average 6h 22m and 7h 39m, respectively.

What is the cheapest airline that flies from Idaho to Philadelphia?

Southwest, Delta, and United Airlines are the most popular carriers operating from Idaho to Philadelphia

What airlines fly to Philadelphia?

Delta, United Airlines and American Airlines are the top three most popular airlines that fly to Philadelphia from Idaho according to our data. Delta is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Philadelphia. Keep in mind that there are 5 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Idaho to Philadelphia Airport?

Prices for flights from Idaho to Philadelphia Airport refresh daily.

How many operators does momondo search for flights from Idaho to Philadelphia Airport?

As of June 2026, there are 5 operators available to choose from for flights from Idaho to Philadelphia Airport.

How old do you have to be to fly from Idaho to Philadelphia Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Philadelphia Airport.

What documentation or ID do you need to fly to Philadelphia Airport?

The necessary travel and health documents for your Philadelphia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$126 Cheap Flights from Idaho to Philadelphia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Idaho to Philadelphia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:09 pm - 12:12 am

GEG

PHL

7h 03m

1 stop

7:25 am - 1:19 pm

PHL

GEG

8h 54m

1 stop

$287American Airlines

Wed, Sep 9 - Sat, Sep 12

1:37 pm - 11:44 pm

GEG

PHL

7h 07m

1 stop

1:30 pm - 9:14 pm

PHL

GEG

10h 44m

2 stops

$292United Airlines

Wed, Sep 9 - Sat, Sep 12

6:01 pm - 5:40 am

BOI

PHL

9h 39m

1 stop

7:00 am - 3:23 pm

PHL

BOI

10h 23m

1 stop

$295Alaska Airlines

Wed, Oct 28 - Thu, Oct 29

11:10 pm - 9:38 am

BOI

PHL

8h 28m

1 stop

6:55 pm - 11:59 pm

PHL

BOI

7h 04m

1 stop

$301Delta

Thu, Aug 20 - Tue, Aug 25

3:12 pm - 12:46 am

BOI

PHL

7h 34m

1 stop

7:30 am - 2:02 pm

PHL

BOI

8h 32m

1 stop

$304American Airlines

Sat, Jul 11 - Sat, Aug 15

7:28 pm - 5:29 am

BOI

PHL

8h 01m

1 stop

5:40 am - 10:57 am

PHL

BOI

7h 17m

1 stop

$307Delta

Thu, Jul 9 - Sun, Jul 12

10:45 pm - 11:02 am

GEG

PHL

9h 17m

1 stop

7:05 am - 2:45 pm

PHL

GEG

10h 40m

1 stop

$311Delta

Thu, Oct 15 - Mon, Oct 19

6:55 am - 9:05 pm

GEG

PHL

11h 10m

2 stops

5:25 am - 10:15 am

PHL

GEG

7h 50m

1 stop

$316Southwest

Thu, Sep 3 - Mon, Sep 7

2:15 pm - 12:11 am

GEG

PHL

6h 56m

1 stop

5:10 pm - 11:09 pm

PHL

GEG

8h 59m

1 stop

$323American Airlines

Wed, Oct 21 - Sun, Nov 1

6:09 am - 5:39 pm

IDA

PHL

9h 30m

1 stop

7:00 am - 3:35 pm

PHL

IDA

10h 35m

1 stop

$384Alaska Airlines

Tue, Oct 27 - Sat, Oct 31

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American Airlines flights from Idaho to Philadelphia

Our best American Airlines deals on Idaho to Philadelphia flight tickets

American Airlines

Sep 9

GEG2:09 pmSpokane

7h 03m

1 stop

PHL12:12 amPhiladelphia

Sep 12

PHL7:25 amPhiladelphia

8h 54m

1 stop

GEG1:19 pmSpokane

$287

American Airlines

Jul 11

BOI3:12 pmBoise Air Term. Gowen Fld

7h 34m

1 stop

PHL12:46 amPhiladelphia

Aug 15

PHL7:30 amPhiladelphia

8h 32m

1 stop

BOI2:02 pmBoise Air Term. Gowen Fld

$304

American Airlines

Oct 21

GEG2:15 pmSpokane

6h 56m

1 stop

PHL12:11 amPhiladelphia

Nov 1

PHL5:10 pmPhiladelphia

8h 59m

1 stop

GEG11:09 pmSpokane

$323

United Airlines flights from Idaho to Philadelphia

Our best United Airlines deals on Idaho to Philadelphia flight tickets

United Airlines

Sep 9

GEG1:37 pmSpokane

7h 07m

1 stop

PHL11:44 pmPhiladelphia

Sep 12

PHL1:30 pmPhiladelphia

10h 44m

2 stops

GEG9:14 pmSpokane

$292

United Airlines

Oct 28

BOI2:39 pmBoise Air Term. Gowen Fld

7h 07m

1 stop

PHL11:46 pmPhiladelphia

Oct 29

PHL6:25 amPhiladelphia

7h 16m

1 stop

BOI11:41 amBoise Air Term. Gowen Fld

$359

United Airlines

Aug 25

IDA10:35 amIdaho Falls Fanning Field

12h 24m

2 stops

PHL12:59 amPhiladelphia

Aug 29

PHL6:25 amPhiladelphia

7h 13m

1 stop

IDA11:38 amIdaho Falls Fanning Field

$415

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SpokanePhiladelphia

GEG - PHL

GEGPHL

Spokane

Wed 9/9

2:09 pm-12:12 am

1 stop7h 03m

Philadelphia

Sat 9/12

7:25 am-1:19 pm

1 stop8h 54m

$287

SpokanePhiladelphia

GEG - PHL

GEGPHL

Spokane

Wed 9/9

1:37 pm-11:44 pm

1 stop7h 07m

Philadelphia

Sat 9/12

1:30 pm-9:14 pm

2 stops10h 44m

$292

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Wed 10/28

6:01 pm-5:40 am

1 stop9h 39m

Philadelphia

Thu 10/29

7:00 am-3:23 pm

1 stop10h 23m

$295

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Thu 8/20

11:10 pm-9:38 am

1 stop8h 28m

Philadelphia

Tue 8/25

6:55 pm-11:59 pm

1 stop7h 04m

$301

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Sat 7/11

3:12 pm-12:46 am

1 stop7h 34m

Philadelphia

Sat 8/15

7:30 am-2:02 pm

1 stop8h 32m

$304

Quickest round-trip

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Thu 7/9

7:28 pm-5:29 am

1 stop8h 01m

Philadelphia

Sun 7/12

5:40 am-10:57 am

1 stop7h 17m

$307

SpokanePhiladelphia

GEG - PHL

GEGPHL

Spokane

Thu 10/15

10:45 pm-11:02 am

1 stop9h 17m

Philadelphia

Mon 10/19

7:05 am-2:45 pm

1 stop10h 40m

$311

SpokanePhiladelphia

GEG - PHL

GEGPHL

Spokane

Thu 9/3

6:55 am-9:05 pm

2 stops11h 10m

Philadelphia

Mon 9/7

5:25 am-10:15 am

1 stop7h 50m

$316

SpokanePhiladelphia

GEG - PHL

GEGPHL

Spokane

Wed 10/21

2:15 pm-12:11 am

1 stop6h 56m

Philadelphia

Sun 11/1

5:10 pm-11:09 pm

1 stop8h 59m

$323

Idaho FallsPhiladelphia

IDA - PHL

IDAPHL

Idaho Falls Fanning Field

Tue 10/27

6:09 am-5:39 pm

1 stop9h 30m

Philadelphia

Sat 10/31

7:00 am-3:35 pm

1 stop10h 35m

$384

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Idaho to Philadelphia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from Idaho is in May. Flight prices, which tend to average around $208, are often lower during this time because this is during the off-season. The month of April is another great option to travel to Philadelphia, with average flight prices from Idaho averaging around $257.

Can stopping save me money on Idaho to Philadelphia flights?

You could potentially save up to 65% on your flight if you consider stops on a Idaho to Philadelphia flight.

Cheap Idaho to Philadelphia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Philadelphia

Fastest flight time	6h 18m
Direct flights	None

The fastest flight from Idaho to Philadelphia takes 6h 18m

There are no direct flights from Idaho to Philadelphia. There are no popular flight routes from Idaho to Philadelphia.

Search flight deals

Frequently asked questions about flying from Idaho to Philadelphia

When did momondo last update prices for flights from Idaho to Philadelphia Airport?
Prices for flights from Idaho to Philadelphia Airport refresh daily.
How many operators does momondo search for flights from Idaho to Philadelphia Airport?
As of June 2026, there are 5 operators available to choose from for flights from Idaho to Philadelphia Airport.
How old do you have to be to fly from Idaho to Philadelphia Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Philadelphia Airport.
What documentation or ID do you need to fly to Philadelphia Airport?
The necessary travel and health documents for your Philadelphia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Idaho to Philadelphia

Compare and see reviews for airlines that fly from Idaho to Philadelphia with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $257	Free Cancellation	Rating 7.4 9,894 reviews	Search United Airlines flights
Delta	PriceFrom $259	Free Cancellation	Rating 7.8 8,449 reviews	Search Delta flights
American Airlines	PriceFrom $306	Free Cancellation	Rating 7.1 11,770 reviews	Search American Airlines flights
Southwest	PriceFrom $348	Free Cancellation	Rating 7.9 4,246 reviews	Search Southwest flights

Wildwood

Rehoboth Beach

Cape May

Wildwood Crest

Ocean City

Cherry Hill

King of Prussia

Newark

Reading

Dewey Beach

Dover

Essington

North Wildwood

Avalon

New Castle

Lewes

Stone Harbor

Vineland

Chester

Pottstown

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to Philadelphia?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Idaho to Philadelphia. momondo saves you time and could save you money on your trip.

Can I find flights from Idaho to Philadelphia with flexible booking policies on momondo?

Yes. All flights to Philadelphia from Idaho on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Idaho to Philadelphia?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Philadelphia from Idaho.

I’m not ready to book a flight from Idaho to Philadelphia right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Philadelphia from Idaho. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.