Flights to Southwest Illinois from Calgary - $180

Cheap Flights from Calgary to Southwest Illinois (YYC-STL)

Prices were available within the past 7 days and start at $180 for one-way flights and $308 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 16 - Wed, Oct 1

YYC

Calgary

STL

St. Louis

$308 Roundtrip, found 7 hours ago

$308

Roundtrip

found 7 hours ago

Select American Airlines flight, departing Tue, Sep 16 from Calgary to St. Louis, returning Wed, Oct 1, priced at $308 found 7 hours ago

Tue, Sep 16 - Sat, Oct 4

YYC

Calgary

STL

St. Louis

$313 Roundtrip, found 7 hours ago

$313

Roundtrip

found 7 hours ago

Select American Airlines flight, departing Tue, Sep 16 from Calgary to St. Louis, returning Sat, Oct 4, priced at $313 found 7 hours ago

Wed, Oct 29 - Tue, Nov 11

YYC

Calgary

STL

St. Louis

$365 Roundtrip, found 7 hours ago

$365

Roundtrip

found 7 hours ago

Select United flight, departing Wed, Oct 29 from Calgary to St. Louis, returning Tue, Nov 11, priced at $365 found 7 hours ago

Fri, Aug 29 - Sat, Aug 30

YYC

Calgary

STL

St. Louis

$371 Roundtrip, found 2 days ago

$371

Roundtrip

found 2 days ago

Select Air Canada flight, departing Fri, Aug 29 from Calgary to St. Louis, returning Sat, Aug 30, priced at $371 found 2 days ago

Wed, Dec 3 - Thu, Dec 11

YYC

Calgary

STL

St. Louis

$385 Roundtrip, found 2 days ago

$385

Roundtrip

found 2 days ago

Select Delta flight, departing Wed, Dec 3 from Calgary to St. Louis, returning Thu, Dec 11, priced at $385 found 2 days ago

Sat, Sep 20 - Sat, Sep 27

YYC

Calgary

STL

St. Louis

$409 Roundtrip, found 18 hours ago

$409

Roundtrip

found 18 hours ago

Select Alaska Airlines flight, departing Sat, Sep 20 from Calgary to St. Louis, returning Sat, Sep 27, priced at $409 found 18 hours ago