Cheap flights from Newark to Southwest Idaho

View AU$207 flight on Wed, 27 Aug. 2025Opens in a new window

Popular airlines from Newark to Southwest Idaho

  • American Airlines

    American Airlines

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • United

    United

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Cheap Flights from Newark (NYC) to Southwest Idaho (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.

American Airlines
Wed, 27 Aug. - Thu, 28 Aug.
JFK
New York
BOI
Boise
AU$574 Return, found 1 day ago
AU$574
Return
found 1 day ago
Select American Airlines flight, departing Wed, 27 Aug. from New York to Boise, returning Thu, 28 Aug., priced at AU$574 found 1 day ago
American Airlines
Mon, 25 Aug. - Fri, 29 Aug.
LGA
New York
BOI
Boise
AU$641 Return, found 6 days ago
AU$641
Return
found 6 days ago
Select American Airlines flight, departing Mon, 25 Aug. from New York to Boise, returning Fri, 29 Aug., priced at AU$641 found 6 days ago
American Airlines
Wed, 27 Aug. - Thu, 28 Aug.
JFK
New York
BOI
Boise
AU$656 Return, found 1 day ago
AU$656
Return
found 1 day ago
Select American Airlines flight, departing Wed, 27 Aug. from New York to Boise, returning Thu, 28 Aug., priced at AU$656 found 1 day ago
Delta
Mon, 25 Aug. - Fri, 29 Aug.
LGA
New York
BOI
Boise
AU$663 Return, found 6 days ago
AU$663
Return
found 6 days ago
Select Delta flight, departing Mon, 25 Aug. from New York to Boise, returning Fri, 29 Aug., priced at AU$663 found 6 days ago
Alaska Airlines
Wed, 27 Aug. - Thu, 28 Aug.
EWR
New York
BOI
Boise
AU$718 Return, found 1 day ago
AU$718
Return
found 1 day ago
Select Alaska Airlines flight, departing Wed, 27 Aug. from New York to Boise, returning Thu, 28 Aug., priced at AU$718 found 1 day ago
United
Mon, 25 Aug. - Fri, 29 Aug.
LGA
New York
BOI
Boise
AU$732 Return, found 6 days ago
AU$732
Return
found 6 days ago
Select United flight, departing Mon, 25 Aug. from New York to Boise, returning Fri, 29 Aug., priced at AU$732 found 6 days ago

Find the cheapest month to fly from New York (EWR) to Boise (BOI)

September is typically the cheapest month to fly

From AU$275 - AU$611 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.