Earn point on your loyalty program!arrow arc left

Cheap flights from Boise (BOI) to Philadelphia (PHL)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Boise (BOI) to Philadelphia (PHL)

How to find the cheapest flight from Boise (BOI) to Philadelphia (PHL)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boise (BOI) to Philadelphia (PHL)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boise (BOI) to Philadelphia (PHL)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Boise to Philadelphia in June , July 2026

30 Jun - 11 Jul $ 432.00
BOI
Boise
Alaska Airlines
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
Alaska Airlines
1 STOPS
BOI
Boise
Pick dates
30 Jun - 09 Jul $ 432.00
BOI
Boise
Alaska Airlines
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
Alaska Airlines
1 STOPS
BOI
Boise
Pick dates
30 Jun - 09 Jul $ 432.00
BOI
Boise
Alaska Airlines
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
Alaska Airlines
1 STOPS
BOI
Boise
Pick dates

Last minute flights from Boise to Philadelphia

29 Jun - 30 Jun $ 645.00
BOI
Boise
Alaska Airlines
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
Alaska Airlines
1 STOPS
BOI
Boise
Pick dates
30 Jun - 30 Jun $ 708.00
BOI
Boise
Alaska Airlines
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
Alaska Airlines
1 STOPS
BOI
Boise
Pick dates
30 Jun - 02 Jul $ 1,955.00
BOI
Boise
Alaska Airlines
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
Alaska Airlines
3 STOPS
BOI
Boise
Pick dates

One-way flights to Philadelphia from Boise

6:23 AM - 8:28 AM
Alaska Airlines
1 Stops
8h 20m
BOI - PHL
$ 279
Kiwi
Pick dates
8:47 PM - 10:02 PM
Alaska Airlines
1 Stops
7h 26m
BOI - PHL
$ 280
Kiwi
Pick dates
6:30 AM - 9:35 AM
United Airlines
1 Stops
6h 42m
BOI - PHL
$ 334
Kiwi
Pick dates

How to find the cheapest flight from Boise (BOI) to Philadelphia (PHL)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boise (BOI) to Philadelphia (PHL)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boise (BOI) to Philadelphia (PHL)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.