$150 Cheap United flights St. Louis (STL) to Idaho Falls (IDA)

$150 Cheap United flights St. Louis (STL) to Idaho Falls (IDA)

Prices were available within the past 7 days and start at $150 for one-way flights and $378 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jul 9 - Sun, Jul 13

STL

St. Louis

IDA

Idaho Falls

$378 Roundtrip, found 2 days ago

$378

Roundtrip

found 2 days ago

Select United flight, departing Wed, Jul 9 from St. Louis to Idaho Falls, returning Sun, Jul 13, priced at $378 found 2 days ago

Wed, Jul 9 - Sun, Jul 13

STL

St. Louis

IDA

Idaho Falls

$418 Roundtrip, found 2 days ago

$418

Roundtrip

found 2 days ago

Select United flight, departing Wed, Jul 9 from St. Louis to Idaho Falls, returning Sun, Jul 13, priced at $418 found 2 days ago

Thu, Jul 10 - Thu, Jul 10

STL

St. Louis

IDA

Idaho Falls

$431 Roundtrip, found 2 days ago

$431

Roundtrip

found 2 days ago

Select United flight, departing Thu, Jul 10 from St. Louis to Idaho Falls, returning Thu, Jul 10, priced at $431 found 2 days ago

Fri, Jul 11 - Tue, Jul 15

STL

St. Louis

IDA

Idaho Falls

$448 Roundtrip, found 2 days ago

$448

Roundtrip

found 2 days ago

Select United flight, departing Fri, Jul 11 from St. Louis to Idaho Falls, returning Tue, Jul 15, priced at $448 found 2 days ago

Wed, Jul 9 - Sun, Jul 13

STL

St. Louis

IDA

Idaho Falls

$458 Roundtrip, found 2 days ago

$458

Roundtrip

found 2 days ago

Select United flight, departing Wed, Jul 9 from St. Louis to Idaho Falls, returning Sun, Jul 13, priced at $458 found 2 days ago

Fri, Jul 11 - Mon, Jul 14

STL

St. Louis

IDA

Idaho Falls

$465 Roundtrip, found 2 days ago

$465

Roundtrip

found 2 days ago

Select United flight, departing Fri, Jul 11 from St. Louis to Idaho Falls, returning Mon, Jul 14, priced at $465 found 2 days ago