Flights from Boise to Granite City

Cheapest flights from Boise

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Aug 21 - Wed, Aug 27

BOI

Boise

STL

Lambert-St. Louis Intl.

$238 Roundtrip, found 1 day ago

$238

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Aug 21 from Boise to Lambert-St. Louis Intl., returning Wed, Aug 27, priced at $238 found 1 day ago

Thu, Aug 21 - Thu, Aug 28

BOI

Boise

STL

Lambert-St. Louis Intl.

$328 Roundtrip, found 1 day ago

$328

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Aug 21 from Boise to Lambert-St. Louis Intl., returning Thu, Aug 28, priced at $328 found 1 day ago

Sat, Aug 23 - Sat, Aug 30

BOI

Boise

STL

Lambert-St. Louis Intl.

$536 Roundtrip, found 1 day ago

$536

Roundtrip

found 1 day ago

Select United flight, departing Sat, Aug 23 from Boise to Lambert-St. Louis Intl., returning Sat, Aug 30, priced at $536 found 1 day ago

Mon, Aug 25 - Sat, Aug 30

BOI

Boise

STL

Lambert-St. Louis Intl.

$630 Roundtrip, found 1 day ago

$630

Roundtrip

found 1 day ago

Select United flight, departing Mon, Aug 25 from Boise to Lambert-St. Louis Intl., returning Sat, Aug 30, priced at $630 found 1 day ago

Sat, Aug 23 - Tue, Aug 26

BOI

Boise

STL

Lambert-St. Louis Intl.

$690 Roundtrip, found 1 day ago

$690

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Sat, Aug 23 from Boise to Lambert-St. Louis Intl., returning Tue, Aug 26, priced at $690 found 1 day ago

Thu, Aug 21 - Tue, Aug 26

BOI

Boise

STL

Lambert-St. Louis Intl.

$784 Roundtrip, found 1 day ago

$784

Roundtrip

found 1 day ago

Select Hawaiian Airlines flight, departing Thu, Aug 21 from Boise to Lambert-St. Louis Intl., returning Tue, Aug 26, priced at $784 found 1 day ago

Fri, Aug 22 - Wed, Aug 27

BOI

Boise

STL

Lambert-St. Louis Intl.

$785 Roundtrip, found 1 day ago

$785

Roundtrip

found 1 day ago

Select American Airlines flight, departing Fri, Aug 22 from Boise to Lambert-St. Louis Intl., returning Wed, Aug 27, priced at $785 found 1 day ago

Fri, Aug 22 - Wed, Aug 27

BOI

Boise

STL

Lambert-St. Louis Intl.

$790 Roundtrip, found 1 day ago

$790

Roundtrip

found 1 day ago

Select United flight, departing Fri, Aug 22 from Boise to Lambert-St. Louis Intl., returning Wed, Aug 27, priced at $790 found 1 day ago

Fri, Aug 22 - Wed, Aug 27

BOI

Boise

STL

Lambert-St. Louis Intl.

$792 Roundtrip, found 1 day ago

$792

Roundtrip

found 1 day ago

Select United flight, departing Fri, Aug 22 from Boise to Lambert-St. Louis Intl., returning Wed, Aug 27, priced at $792 found 1 day ago

Fri, Aug 22 - Wed, Aug 27

BOI

Boise

STL

Lambert-St. Louis Intl.

$798 Roundtrip, found 1 day ago

$798

Roundtrip

found 1 day ago

Select United flight, departing Fri, Aug 22 from Boise to Lambert-St. Louis Intl., returning Wed, Aug 27, priced at $798 found 1 day ago

Sat, Aug 23 - Sun, Aug 24

BOI

Boise

STL

Lambert-St. Louis Intl.

$799 Roundtrip, found 1 day ago

$799

Roundtrip

found 1 day ago

Select Hawaiian Airlines flight, departing Sat, Aug 23 from Boise to Lambert-St. Louis Intl., returning Sun, Aug 24, priced at $799 found 1 day ago

Fri, Aug 22 - Wed, Aug 27

BOI

Boise

STL

Lambert-St. Louis Intl.

$799 Roundtrip, found 1 day ago

$799

Roundtrip

found 1 day ago

Select Delta flight, departing Fri, Aug 22 from Boise to Lambert-St. Louis Intl., returning Wed, Aug 27, priced at $799 found 1 day ago

Fri, Aug 22 - Wed, Aug 27

BOI

Boise

STL

Lambert-St. Louis Intl.

$830 Roundtrip, found 1 day ago

$830

Roundtrip

found 1 day ago

Select United flight, departing Fri, Aug 22 from Boise to Lambert-St. Louis Intl., returning Wed, Aug 27, priced at $830 found 1 day ago

Fri, Aug 22 - Wed, Aug 27

BOI

Boise

STL

Lambert-St. Louis Intl.

$832 Roundtrip, found 1 day ago

$832

Roundtrip

found 1 day ago

Select American Airlines flight, departing Fri, Aug 22 from Boise to Lambert-St. Louis Intl., returning Wed, Aug 27, priced at $832 found 1 day ago

Fri, Aug 22 - Wed, Aug 27

BOI

Boise

STL

Lambert-St. Louis Intl.

$835 Roundtrip, found 1 day ago

$835

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Fri, Aug 22 from Boise to Lambert-St. Louis Intl., returning Wed, Aug 27, priced at $835 found 1 day ago

Fri, Aug 22 - Wed, Aug 27

BOI

Boise

STL

Lambert-St. Louis Intl.

$841 Roundtrip, found 1 day ago

$841

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Fri, Aug 22 from Boise to Lambert-St. Louis Intl., returning Wed, Aug 27, priced at $841 found 1 day ago

Fri, Aug 22 - Wed, Aug 27

BOI

Boise

STL

Lambert-St. Louis Intl.

$846 Roundtrip, found 1 day ago

$846

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Fri, Aug 22 from Boise to Lambert-St. Louis Intl., returning Wed, Aug 27, priced at $846 found 1 day ago

Fri, Aug 22 - Wed, Aug 27

BOI

Boise

STL

Lambert-St. Louis Intl.

$855 Roundtrip, found 1 day ago

$855

Roundtrip

found 1 day ago

Select Delta flight, departing Fri, Aug 22 from Boise to Lambert-St. Louis Intl., returning Wed, Aug 27, priced at $855 found 1 day ago

Fri, Aug 22 - Wed, Aug 27

BOI

Boise

STL

Lambert-St. Louis Intl.

$860 Roundtrip, found 1 day ago

$860

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Fri, Aug 22 from Boise to Lambert-St. Louis Intl., returning Wed, Aug 27, priced at $860 found 1 day ago

Fri, Aug 22 - Wed, Aug 27

BOI

Boise

STL

Lambert-St. Louis Intl.

$862 Roundtrip, found 1 day ago

$862

Roundtrip

found 1 day ago

Select United flight, departing Fri, Aug 22 from Boise to Lambert-St. Louis Intl., returning Wed, Aug 27, priced at $862 found 1 day ago