$387 Cheap United flights St. Louis (STL) to Calgary (YYC)

View $387 flight on Thu, Sep 17, 2026Opens in a new window

$387 Cheap United flights St. Louis (STL) to Calgary (YYC)

Prices were available within the past 7 days and start at $387 for one-way flights and $666 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Sep 17 - Tue, Sep 22
STL
St. Louis
YYC
Calgary
$666 Roundtrip, found 21 hours ago
$666
Roundtrip
found 21 hours ago
Select United flight, departing Thu, Sep 17 from St. Louis to Calgary, returning Tue, Sep 22, priced at $666 found 21 hours ago

Find the cheapest month to fly from St. Louis (STL) to Calgary (YYC)

January is typically the cheapest month to fly

From $325 - $708 per traveler.
Flights from St. Louis (STL) to Calgary (YYC)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Calgary Intl.
Airlines serving
Air Canada, Alaska Airlines, American Airlines, Delta, United, WestJet
Popular airline
WestJet
Distance
2284 km