What is the cheapest airline that flies from Boise Air Term. Gowen Fld to Philadelphia?

Frontier and Delta are the most popular carriers operating from Boise Air Term. Gowen Fld to Philadelphia

What airlines fly to Philadelphia?

Delta, American Airlines and Alaska Airlines are the top three most popular airlines that fly to Philadelphia from Boise according to our data. Delta is the first choice among our users, with 36% 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 Boise Air Term. Gowen Fld Airport to Philadelphia Airport?

Prices for flights from Boise Air Term. Gowen Fld Airport to Philadelphia Airport are updated daily.

How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Philadelphia Airport?

The number of operators available for flights from Boise Air Term. Gowen Fld Airport to Philadelphia Airport is 5 as of October 2026.

How old do you have to be to fly from Boise Air Term. Gowen Fld Airport 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 Boise Air Term. Gowen Fld Airport to Philadelphia Airport.

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

The required travel and health documents for your Philadelphia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Philadelphia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$121 Cheap Flights from Boise to Philadelphia in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boise to Philadelphia

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

3:05 pm - 12:54 amBOI Boise Air Term. Gowen Fld-PHL Philadelphia

7h 49m1 stop Minneapolis St Paul

7:00 am - 12:17 pmPHL Philadelphia-BOI Boise Air Term. Gowen Fld

7h 17m1 stop Salt Lake City

$219Delta

Mon, Jan 4 - Thu, Jan 7

3:05 pm - 12:54 amBOI Boise Air Term. Gowen Fld-PHL Philadelphia

7h 49m1 stop Minneapolis St Paul

7:00 am - 12:17 pmPHL Philadelphia-BOI Boise Air Term. Gowen Fld

7h 17m1 stop Salt Lake City

$312Delta

Mon, Jan 4 - Sat, Jan 9

1:39 pm - 12:24 amBOI Boise Air Term. Gowen Fld-PHL Philadelphia

8h 45m1 stop Chicago O'Hare Intl

5:34 pm - 11:33 pmPHL Philadelphia-BOI Boise Air Term. Gowen Fld

7h 59m1 stop Phoenix Sky Harbor Intl

$321American Airlines

Thu, Dec 10 - Thu, Dec 17

1:39 pm - 10:34 pmBOI Boise Air Term. Gowen Fld-PHL Philadelphia

6h 55m1 stop Chicago O'Hare Intl

12:59 pm - 7:31 pmPHL Philadelphia-BOI Boise Air Term. Gowen Fld

8h 32m1 stop Phoenix Sky Harbor Intl

$331American Airlines

Thu, Dec 10 - Mon, Dec 14

5:00 pm - 5:42 amBOI Boise Air Term. Gowen Fld-PHL Philadelphia

10h 42m1 stop Seattle/Tacoma Intl

6:14 pm - 10:23 amPHL Philadelphia-BOI Boise Air Term. Gowen Fld

18h 09m1 stop Seattle/Tacoma Intl

$360Alaska Airlines

Mon, Jan 4 - Fri, Jan 8

5:33 pm - 5:11 amBOI Boise Air Term. Gowen Fld-PHL Philadelphia

9h 38m1 stop Las Vegas Harry Reid Intl

7:16 am - 7:49 pmPHL Philadelphia-BOI Boise Air Term. Gowen Fld

38h 33m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl

$364Frontier

Mon, Jan 4 - Sat, Jan 9

12:06 pm - 5:55 amBOI Boise Air Term. Gowen Fld-PHL Philadelphia

15h 49m1 stop Seattle/Tacoma Intl

7:00 am - 4:11 pmPHL Philadelphia-BOI Boise Air Term. Gowen Fld

11h 11m1 stop Seattle/Tacoma Intl

$365Alaska Airlines

Thu, Mar 18 - Thu, Mar 25

3:55 pm - 12:10 amBOI Boise Air Term. Gowen Fld-PHL Philadelphia

6h 15m1 stop Denver Intl

5:00 am - 10:40 amPHL Philadelphia-BOI Boise Air Term. Gowen Fld

7h 40m1 stop Denver Intl

$375Southwest

Fri, Dec 11 - Sun, Dec 13

4:15 pm - 12:55 amBOI Boise Air Term. Gowen Fld-PHL Philadelphia

6h 40m1 stop Denver Intl

5:00 am - 10:40 amPHL Philadelphia-BOI Boise Air Term. Gowen Fld

7h 40m1 stop Denver Intl

$380Southwest

Mon, Mar 1 - Fri, Mar 5

5:33 pm - 5:11 amBOI Boise Air Term. Gowen Fld-PHL Philadelphia

9h 38m1 stop Las Vegas Harry Reid Intl

10:51 am - 7:49 pmPHL Philadelphia-BOI Boise Air Term. Gowen Fld

34h 58m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl

$415Frontier

Mon, Jan 4 - Thu, Jan 7

Cheap last minute flights

Enter your travel dates to find the best prices.

6:17 am - 4:25 pmBOI Boise Air Term. Gowen Fld-PHL Philadelphia

8h 08m1 stop Phoenix Sky Harbor Intl

7:00 am - 1:51 pmPHL Philadelphia-BOI Boise Air Term. Gowen Fld

8h 51m1 stop Dallas/Fort Worth

$580American Airlines

Sat, Oct 31 - Tue, Nov 10

11:32 am - 12:56 amBOI Boise Air Term. Gowen Fld-PHL Philadelphia

11h 24m2 stops Salt Lake City Atlanta Hartsfield-Jackson

7:11 pm - 11:59 pmPHL Philadelphia-BOI Boise Air Term. Gowen Fld

6h 48m1 stop Minneapolis St Paul

$585Delta

Sat, Oct 31 - Tue, Nov 10

1:06 pm - 12:56 amBOI Boise Air Term. Gowen Fld-PHL Philadelphia

9h 50m2 stops Salt Lake City Atlanta Hartsfield-Jackson

9:45 am - 5:55 pmPHL Philadelphia-BOI Boise Air Term. Gowen Fld

10h 10m2 stops Detroit Metropolitan Wayne County Salt Lake City

$590Delta

Sat, Oct 31 - Tue, Nov 10

12:31 pm - 9:38 pmBOI Boise Air Term. Gowen Fld-PHL Philadelphia

7h 07m1 stop Chicago O'Hare Intl

10:00 am - 6:03 pmPHL Philadelphia-BOI Boise Air Term. Gowen Fld

10h 03m1 stop Denver Intl

$607United Airlines

Tue, Nov 3 - Wed, Nov 4

6:20 am - 5:15 pmBOI Boise Air Term. Gowen Fld-PHL Philadelphia

8h 55m1 stop San Francisco

3:35 pm - 9:32 pmPHL Philadelphia-BOI Boise Air Term. Gowen Fld

7h 57m1 stop Denver Intl

$607United Airlines

Sat, Oct 31 - Tue, Nov 3

6:21 pm - 5:32 amBOI Boise Air Term. Gowen Fld-PHL Philadelphia

9h 11m1 stop Seattle/Tacoma Intl

5:49 pm - 9:07 amPHL Philadelphia-BOI Boise Air Term. Gowen Fld

17h 18m1 stop Seattle/Tacoma Intl

$607Alaska Airlines

Tue, Nov 3 - Wed, Nov 4

7:00 am - 4:33 pmBOI Boise Air Term. Gowen Fld-PHL Philadelphia

7h 33m1 stop Dallas/Fort Worth

7:00 am - 1:51 pmPHL Philadelphia-BOI Boise Air Term. Gowen Fld

8h 51m1 stop Dallas/Fort Worth

$607American Airlines

Sat, Oct 31 - Tue, Nov 3

8:10 am - 6:05 pmBOI Boise Air Term. Gowen Fld-PHL Philadelphia

7h 55m2 stops Denver Intl Nashville Intl

5:00 am - 11:00 amPHL Philadelphia-BOI Boise Air Term. Gowen Fld

8h 00m1 stop Denver Intl

$612Southwest

Sat, Oct 31 - Tue, Nov 3

11:25 am - 11:25 pmBOI Boise Air Term. Gowen Fld-PHL Philadelphia

10h 00m2 stops Las Vegas Harry Reid Intl Denver Intl

1:25 pm - 9:40 pmPHL Philadelphia-BOI Boise Air Term. Gowen Fld

10h 15m2 stops Chicago Midway Phoenix Sky Harbor Intl

$617Southwest

Tue, Nov 3 - Wed, Nov 4

8:00 am - 7:50 pmBOI Boise Air Term. Gowen Fld-PHL Philadelphia

9h 50m1 stop Phoenix Sky Harbor Intl

5:52 am - 12:37 pmPHL Philadelphia-BOI Boise Air Term. Gowen Fld

8h 45m1 stop Chicago O'Hare Intl

$695American Airlines

Mon, Nov 2 - Wed, Nov 4

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United Airlines flights from Boise to Philadelphia

Our best United Airlines deals on Boise to Philadelphia flight tickets

United Airlines

Dec 11

BOI2:48 pmBoise Air Term. Gowen Fld

6h 53m

1 stop

PHL11:41 pmPhiladelphia

Dec 13

PHL6:24 amPhiladelphia

9h 15m

2 stops

BOI1:39 pmBoise Air Term. Gowen Fld

$380

United Airlines

Jan 26

BOI6:20 amBoise Air Term. Gowen Fld

9h 24m

2 stops

PHL5:44 pmPhiladelphia

Jan 27

PHL7:46 amPhiladelphia

7h 43m

1 stop

BOI1:29 pmBoise Air Term. Gowen Fld

$446

United Airlines

Jan 26

BOI6:20 amBoise Air Term. Gowen Fld

9h 24m

2 stops

PHL5:44 pmPhiladelphia

Jan 27

PHL6:24 amPhiladelphia

12h 22m

2 stops

BOI4:46 pmBoise Air Term. Gowen Fld

$452

Delta flights from Boise to Philadelphia

Our best Delta deals on Boise to Philadelphia flight tickets

Delta

Jan 4

BOI3:05 pmBoise Air Term. Gowen Fld

7h 49m

1 stop

PHL12:54 amPhiladelphia

Jan 7

PHL7:00 amPhiladelphia

7h 17m

1 stop

BOI12:17 pmBoise Air Term. Gowen Fld

$219

Delta

Jan 4

BOI3:05 pmBoise Air Term. Gowen Fld

7h 49m

1 stop

PHL12:54 amPhiladelphia

Jan 9

PHL7:00 amPhiladelphia

7h 17m

1 stop

BOI12:17 pmBoise Air Term. Gowen Fld

$312

Delta

Nov 18

BOI5:59 pmBoise Air Term. Gowen Fld

9h 44m

1 stop

PHL5:43 amPhiladelphia

Nov 21

PHL7:00 amPhiladelphia

11h 05m

1 stop

BOI4:05 pmBoise Air Term. Gowen Fld

$321

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoisePhiladelphia

BOI Boise Air Term. Gowen Fld - PHL Philadelphia

BOIPHL

Boise Air Term. Gowen Fld

Mon 1/4

3:05 pm-12:54 am

1 stop7h 49m

Philadelphia

Thu 1/7

7:00 am-12:17 pm

1 stop7h 17m

$219

BoisePhiladelphia

BOI Boise Air Term. Gowen Fld - PHL Philadelphia

BOIPHL

Boise Air Term. Gowen Fld

Mon 1/4

3:05 pm-12:54 am

1 stop7h 49m

Philadelphia

Sat 1/9

7:00 am-12:17 pm

1 stop7h 17m

$312

BoisePhiladelphia

BOI Boise Air Term. Gowen Fld - PHL Philadelphia

BOIPHL

Boise Air Term. Gowen Fld

Thu 12/10

1:39 pm-12:24 am

1 stop8h 45m

Philadelphia

Thu 12/17

5:34 pm-11:33 pm

1 stop7h 59m

$321

BoisePhiladelphia

BOI Boise Air Term. Gowen Fld - PHL Philadelphia

BOIPHL

Boise Air Term. Gowen Fld

Thu 12/10

1:39 pm-10:34 pm

1 stop6h 55m

Philadelphia

Mon 12/14

12:59 pm-7:31 pm

1 stop8h 32m

$331

BoisePhiladelphia

BOI Boise Air Term. Gowen Fld - PHL Philadelphia

BOIPHL

Boise Air Term. Gowen Fld

Mon 1/4

5:00 pm-5:42 am

1 stop10h 42m

Philadelphia

Fri 1/8

6:14 pm-10:23 am

1 stop18h 09m

$360

BoisePhiladelphia

BOI Boise Air Term. Gowen Fld - PHL Philadelphia

BOIPHL

Boise Air Term. Gowen Fld

Mon 1/4

5:33 pm-5:11 am

1 stop9h 38m

Philadelphia

Sat 1/9

7:16 am-7:49 pm

2 stops38h 33m

$364

BoisePhiladelphia

BOI Boise Air Term. Gowen Fld - PHL Philadelphia

BOIPHL

Boise Air Term. Gowen Fld

Thu 3/18

12:06 pm-5:55 am

1 stop15h 49m

Philadelphia

Thu 3/25

7:00 am-4:11 pm

1 stop11h 11m

$365

Quickest round-trip

BoisePhiladelphia

BOI Boise Air Term. Gowen Fld - PHL Philadelphia

BOIPHL

Boise Air Term. Gowen Fld

Fri 12/11

3:55 pm-12:10 am

1 stop6h 15m

Philadelphia

Sun 12/13

5:00 am-10:40 am

1 stop7h 40m

$375

BoisePhiladelphia

BOI Boise Air Term. Gowen Fld - PHL Philadelphia

BOIPHL

Boise Air Term. Gowen Fld

Mon 3/1

4:15 pm-12:55 am

1 stop6h 40m

Philadelphia

Fri 3/5

5:00 am-10:40 am

1 stop7h 40m

$380

BoisePhiladelphia

BOI Boise Air Term. Gowen Fld - PHL Philadelphia

BOIPHL

Boise Air Term. Gowen Fld

Mon 1/4

5:33 pm-5:11 am

1 stop9h 38m

Philadelphia

Thu 1/7

10:51 am-7:49 pm

2 stops34h 58m

$415

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 Boise 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

What is the typical price of a round-trip flight between Boise and Philadelphia?

Prices are currently low for flights on this route.

Typical prices usually range from $362 to $755.
The lowest price recently found on this route was $219.

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from Boise is in August. Flight prices, which tend to average around $368, are often lower during this time because this is during the off-season. The month of September is another great option to travel to Philadelphia, with average flight prices from Boise averaging around $388.

How far in advance should I book a flight from Boise to Philadelphia?

You are more likely to see cheaper flights to Philadelphia from Boise when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $463 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Boise for as low as $349 on momondo.

How have Boise to Philadelphia flight prices changed over time?

As of October 2026, prices for Boise to Philadelphia flights are approximately 22% cheaper when compared to flights at the same time last year.

When to book flights from Boise to Philadelphia

Are you open to changing your travel dates? Check out the ideal times to fly from Boise to Philadelphia according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Boise to Philadelphia (BOI to PHL) flight deals and tips

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

Best Price Found	$121
Fastest flight time	6h 00m
Direct flights	None

The best one-way flight to Philadelphia from Boise in the past 72 hours is $121. The best round-trip flight deal from Boise to Philadelphia found on momondo in the last 72 hours is $219.

The fastest flight from Boise to Philadelphia takes 6h 00m

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

Search flight deals

Frequently asked questions about flying from Boise to Philadelphia

How far is Boise Air Term. Gowen Fld to Philadelphia by plane?
The straight-line distance from Boise Air Term. Gowen Fld to Philadelphia is 2106.8 mi. By plane, this route typically takes 6h 00m.
When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Philadelphia Airport?
Prices for flights from Boise Air Term. Gowen Fld Airport to Philadelphia Airport are updated daily.
How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Philadelphia Airport?
The number of operators available for flights from Boise Air Term. Gowen Fld Airport to Philadelphia Airport is 5 as of October 2026.
How old do you have to be to fly from Boise Air Term. Gowen Fld Airport 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 Boise Air Term. Gowen Fld Airport to Philadelphia Airport.
What documentation or ID do you need to fly to Philadelphia Airport?
The required travel and health documents for your Philadelphia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Philadelphia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Boise to Philadelphia?
momondo data reveals that the most frequently booked airline on the route from Boise to Philadelphia is Delta, representing 39% of all bookings. The subsequent popular airlines are American Airlines at 27%, Southwest at 16%, and United Airlines at 11%.

Best airlines flying from Boise to Philadelphia

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $257	Free Cancellation	Rating 7.8 8,691 reviews	Search Delta flights
United Airlines	PriceFrom $257	Free Cancellation	Rating 7.3 10,454 reviews	Search United Airlines flights
American Airlines	PriceFrom $278	Free Cancellation	Rating 7.0 12,209 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $310	Free Cancellation	Rating 7.9 13,135 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $348	Free Cancellation	Rating 7.9 4,217 reviews	Search Southwest flights

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Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Philadelphia from Boise.

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

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

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

Once you have performed a search for Boise to Philadelphia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Philadelphia, momondo offers a useful price alert feature which will track prices for flights to Philadelphia from Boise and alert you when they change.