Flights from Sun Valley to St. Louis

Cheapest flights from Sun Valley

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.

Tue, Sep 30 - Tue, Oct 7

BOI

Boise

STL

Lambert-St. Louis Intl.

$279 Roundtrip, found 1 day ago

$279

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Tue, Sep 30 from Boise to Lambert-St. Louis Intl., returning Tue, Oct 7, priced at $279 found 1 day ago

Sat, Sep 27 - Tue, Oct 7

BOI

Boise

STL

Lambert-St. Louis Intl.

$283 Roundtrip, found 1 day ago

$283

Roundtrip

found 1 day ago

Select Hawaiian Airlines flight, departing Sat, Sep 27 from Boise to Lambert-St. Louis Intl., returning Tue, Oct 7, priced at $283 found 1 day ago

Tue, Sep 30 - Mon, Oct 6

BOI

Boise

STL

Lambert-St. Louis Intl.

$283 Roundtrip, found 1 day ago

$283

Roundtrip

found 1 day ago

Select United flight, departing Tue, Sep 30 from Boise to Lambert-St. Louis Intl., returning Mon, Oct 6, priced at $283 found 1 day ago

Tue, Sep 30 - Mon, Oct 6

BOI

Boise

STL

Lambert-St. Louis Intl.

$283 Roundtrip, found 1 day ago

$283

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Sep 30 from Boise to Lambert-St. Louis Intl., returning Mon, Oct 6, priced at $283 found 1 day ago

Sat, Sep 27 - Sat, Oct 4

BOI

Boise

STL

Lambert-St. Louis Intl.

$287 Roundtrip, found 1 day ago

$287

Roundtrip

found 1 day ago

Select Hawaiian Airlines flight, departing Sat, Sep 27 from Boise to Lambert-St. Louis Intl., returning Sat, Oct 4, priced at $287 found 1 day ago

Tue, Sep 30 - Mon, Oct 6

BOI

Boise

STL

Lambert-St. Louis Intl.

$288 Roundtrip, found 1 day ago

$288

Roundtrip

found 1 day ago

Select United flight, departing Tue, Sep 30 from Boise to Lambert-St. Louis Intl., returning Mon, Oct 6, priced at $288 found 1 day ago

Tue, Sep 30 - Mon, Oct 6

BOI

Boise

STL

Lambert-St. Louis Intl.

$297 Roundtrip, found 1 day ago

$297

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Sep 30 from Boise to Lambert-St. Louis Intl., returning Mon, Oct 6, priced at $297 found 1 day ago

Tue, Sep 30 - Sun, Oct 5

BOI

Boise

STL

Lambert-St. Louis Intl.

$302 Roundtrip, found 1 day ago

$302

Roundtrip

found 1 day ago

Select Hawaiian Airlines flight, departing Tue, Sep 30 from Boise to Lambert-St. Louis Intl., returning Sun, Oct 5, priced at $302 found 1 day ago

Sat, Sep 27 - Sun, Oct 5

BOI

Boise

STL

Lambert-St. Louis Intl.

$306 Roundtrip, found 1 day ago

$306

Roundtrip

found 1 day ago

Select Hawaiian Airlines flight, departing Sat, Sep 27 from Boise to Lambert-St. Louis Intl., returning Sun, Oct 5, priced at $306 found 1 day ago

Tue, Sep 30 - Thu, Oct 9

BOI

Boise

STL

Lambert-St. Louis Intl.

$319 Roundtrip, found 1 day ago

$319

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Sep 30 from Boise to Lambert-St. Louis Intl., returning Thu, Oct 9, priced at $319 found 1 day ago

Sat, Sep 27 - Thu, Oct 9

BOI

Boise

STL

Lambert-St. Louis Intl.

$323 Roundtrip, found 1 day ago

$323

Roundtrip

found 1 day ago

Select Delta flight, departing Sat, Sep 27 from Boise to Lambert-St. Louis Intl., returning Thu, Oct 9, priced at $323 found 1 day ago

Tue, Sep 30 - Mon, Oct 6

BOI

Boise

STL

Lambert-St. Louis Intl.

$331 Roundtrip, found 1 day ago

$331

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Sep 30 from Boise to Lambert-St. Louis Intl., returning Mon, Oct 6, priced at $331 found 1 day ago

Tue, Sep 30 - Mon, Oct 6

BOI

Boise

STL

Lambert-St. Louis Intl.

$333 Roundtrip, found 1 day ago

$333

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Tue, Sep 30 from Boise to Lambert-St. Louis Intl., returning Mon, Oct 6, priced at $333 found 1 day ago

Tue, Sep 30 - Mon, Oct 6

BOI

Boise

STL

Lambert-St. Louis Intl.

$339 Roundtrip, found 1 day ago

$339

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Sep 30 from Boise to Lambert-St. Louis Intl., returning Mon, Oct 6, priced at $339 found 1 day ago

Tue, Sep 30 - Mon, Oct 6

BOI

Boise

STL

Lambert-St. Louis Intl.

$357 Roundtrip, found 1 day ago

$357

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Tue, Sep 30 from Boise to Lambert-St. Louis Intl., returning Mon, Oct 6, priced at $357 found 1 day ago

Tue, Sep 30 - Mon, Oct 6

BOI

Boise

STL

Lambert-St. Louis Intl.

$359 Roundtrip, found 1 day ago

$359

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Tue, Sep 30 from Boise to Lambert-St. Louis Intl., returning Mon, Oct 6, priced at $359 found 1 day ago

Fri, Oct 3 - Fri, Oct 3

BOI

Boise

STL

Lambert-St. Louis Intl.

$360 Roundtrip, found 1 day ago

$360

Roundtrip

found 1 day ago

Select Hawaiian Airlines flight, departing Fri, Oct 3 from Boise to Lambert-St. Louis Intl., returning Fri, Oct 3, priced at $360 found 1 day ago

Tue, Sep 30 - Mon, Oct 6

BOI

Boise

STL

Lambert-St. Louis Intl.

$363 Roundtrip, found 1 day ago

$363

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Sep 30 from Boise to Lambert-St. Louis Intl., returning Mon, Oct 6, priced at $363 found 1 day ago

Tue, Sep 30 - Mon, Oct 6

BOI

Boise

STL

Lambert-St. Louis Intl.

$368 Roundtrip, found 1 day ago

$368

Roundtrip

found 1 day ago

Select United flight, departing Tue, Sep 30 from Boise to Lambert-St. Louis Intl., returning Mon, Oct 6, priced at $368 found 1 day ago

Tue, Sep 30 - Mon, Oct 6

BOI

Boise

STL

Lambert-St. Louis Intl.

$370 Roundtrip, found 1 day ago

$370

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Sep 30 from Boise to Lambert-St. Louis Intl., returning Mon, Oct 6, priced at $370 found 1 day ago