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 $244 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Aug 14 - Wed, Sep 3

STL

St. Louis

WYS

West Yellowstone

$244 Roundtrip, found 1 day ago

$244

Roundtrip

found 1 day ago

Select Delta flight, departing Thu, Aug 14 from St. Louis to West Yellowstone, returning Wed, Sep 3, priced at $244 found 1 day ago

Sat, Aug 16 - Thu, Sep 4

STL

St. Louis

WYS

West Yellowstone

$254 Roundtrip, found 1 day ago

$254

Roundtrip

found 1 day ago

Select Delta flight, departing Sat, Aug 16 from St. Louis to West Yellowstone, returning Thu, Sep 4, priced at $254 found 1 day ago

Thu, Aug 7 - Tue, Aug 12

STL

St. Louis

IDA

Idaho Falls

$329 Roundtrip, found 5 days ago

$329

Roundtrip

found 5 days ago

Select United flight, departing Thu, Aug 7 from St. Louis to Idaho Falls, returning Tue, Aug 12, priced at $329 found 5 days ago

Wed, Oct 8 - Fri, Oct 31

STL

St. Louis

IDA

Idaho Falls

$349 Roundtrip, found 11 hours ago

$349

Roundtrip

found 11 hours ago

Select Alaska Airlines flight, departing Wed, Oct 8 from St. Louis to Idaho Falls, returning Fri, Oct 31, priced at $349 found 11 hours ago

Thu, Oct 30 - Mon, Nov 17

STL

St. Louis

IDA

Idaho Falls

$350 Roundtrip, found 11 hours ago

$350

Roundtrip

found 11 hours ago

Select Hawaiian Airlines flight, departing Thu, Oct 30 from St. Louis to Idaho Falls, returning Mon, Nov 17, priced at $350 found 11 hours ago

Mon, Aug 25 - Fri, Aug 29

STL

St. Louis

IDA

Idaho Falls

$351 Roundtrip, found 12 hours ago

$351

Roundtrip

found 12 hours ago

Select American Airlines flight, departing Mon, Aug 25 from St. Louis to Idaho Falls, returning Fri, Aug 29, priced at $351 found 12 hours ago