Cheap flights from Philadelphia to Basque Block

View AU$237 flight on Thu, 28 Aug. 2025Opens in a new window

Popular airlines from Philadelphia to Basque Block

  • Jetstar

    Jetstar

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    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from Philadelphia (ILG) to Basque Block (BOI)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 28 Aug. - Thu, 4 Sep.
PHL
Philadelphia
BOI
Boise
AU$474 Return, found 4 days ago
AU$474
Return
found 4 days ago
Select Delta flight, departing Thu, 28 Aug. from Philadelphia to Boise, returning Thu, 4 Sep., priced at AU$474 found 4 days ago
American Airlines
Thu, 28 Aug. - Thu, 4 Sep.
PHL
Philadelphia
BOI
Boise
AU$536 Return, found 4 days ago
AU$536
Return
found 4 days ago
Select American Airlines flight, departing Thu, 28 Aug. from Philadelphia to Boise, returning Thu, 4 Sep., priced at AU$536 found 4 days ago
Delta
Thu, 28 Aug. - Thu, 4 Sep.
PHL
Philadelphia
BOI
Boise
AU$551 Return, found 4 days ago
AU$551
Return
found 4 days ago
Select Delta flight, departing Thu, 28 Aug. from Philadelphia to Boise, returning Thu, 4 Sep., priced at AU$551 found 4 days ago
Delta
Thu, 28 Aug. - Thu, 4 Sep.
PHL
Philadelphia
BOI
Boise
AU$559 Return, found 4 days ago
AU$559
Return
found 4 days ago
Select Delta flight, departing Thu, 28 Aug. from Philadelphia to Boise, returning Thu, 4 Sep., priced at AU$559 found 4 days ago
Alaska Airlines
Thu, 28 Aug. - Thu, 4 Sep.
PHL
Philadelphia
BOI
Boise
AU$607 Return, found 4 days ago
AU$607
Return
found 4 days ago
Select Alaska Airlines flight, departing Thu, 28 Aug. from Philadelphia to Boise, returning Thu, 4 Sep., priced at AU$607 found 4 days ago
United
Thu, 28 Aug. - Thu, 4 Sep.
PHL
Philadelphia
BOI
Boise
AU$637 Return, found 4 days ago
AU$637
Return
found 4 days ago
Select United flight, departing Thu, 28 Aug. from Philadelphia to Boise, returning Thu, 4 Sep., priced at AU$637 found 4 days ago

Find the cheapest month to fly from Philadelphia (PHL) to Boise (BOI)

April is typically the cheapest month to fly

From AU$287 - AU$792 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.