Flights to Island Park from St. Louis - $98

Cheap Flights from St. Louis to Island Park (STL-IDA)

Prices were available within the past 7 days and start at $98 for one-way flights and $242 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Aug 19 - Wed, Sep 3

STL

St. Louis

WYS

West Yellowstone

$242 Roundtrip, found 3 days ago

$242

Roundtrip

found 3 days ago

Select Delta flight, departing Tue, Aug 19 from St. Louis to West Yellowstone, returning Wed, Sep 3, priced at $242 found 3 days ago

Sun, Aug 17 - Wed, Sep 3

STL

St. Louis

WYS

West Yellowstone

$243 Roundtrip, found 3 days ago

$243

Roundtrip

found 3 days ago

Select Delta flight, departing Sun, Aug 17 from St. Louis to West Yellowstone, returning Wed, Sep 3, priced at $243 found 3 days ago

Thu, Aug 7 - Tue, Aug 12

STL

St. Louis

IDA

Idaho Falls

$329 Roundtrip, found 3 days ago

$329

Roundtrip

found 3 days ago

Select United flight, departing Thu, Aug 7 from St. Louis to Idaho Falls, returning Tue, Aug 12, priced at $329 found 3 days ago

Mon, Sep 15 - Mon, Sep 22

STL

St. Louis

IDA

Idaho Falls

$350 Roundtrip, found 3 days ago

$350

Roundtrip

found 3 days ago

Select Hawaiian Airlines flight, departing Mon, Sep 15 from St. Louis to Idaho Falls, returning Mon, Sep 22, priced at $350 found 3 days ago

Thu, Oct 2 - Thu, Oct 9

STL

St. Louis

IDA

Idaho Falls

$351 Roundtrip, found 22 hours ago

$351

Roundtrip

found 22 hours ago

Select American Airlines flight, departing Thu, Oct 2 from St. Louis to Idaho Falls, returning Thu, Oct 9, priced at $351 found 22 hours ago

Thu, Sep 18 - Mon, Sep 22

STL

St. Louis

IDA

Idaho Falls

$353 Roundtrip, found 13 hours ago

$353

Roundtrip

found 13 hours ago

Select Alaska Airlines flight, departing Thu, Sep 18 from St. Louis to Idaho Falls, returning Mon, Sep 22, priced at $353 found 13 hours ago