Cheap flights from Calgary to North Keystone

View AU$177 flight on Sun, 7 Sep. 2025Opens in a new window

Popular airlines from Calgary to North Keystone

  • American Airlines

    American Airlines

  • Air Canada

    Air Canada

  • Delta

    Delta

  • United

    United

  • WestJet

    WestJet

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Cheap Flights from Calgary (YYC) to North Keystone (DEN)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

WestJet
Sat, 6 Sep. - Sun, 7 Sep.
YYC
Calgary
DEN
Denver
AU$283 Return, found 1 day ago
AU$283
Return
found 1 day ago
Select WestJet flight, departing Sat, 6 Sep. from Calgary to Denver, returning Sun, 7 Sep., priced at AU$283 found 1 day ago
United
Thu, 2 Oct. - Fri, 10 Oct.
YYC
Calgary
DEN
Denver
AU$299 Return, found 6 hours ago
AU$299
Return
found 6 hours ago
Select United flight, departing Thu, 2 Oct. from Calgary to Denver, returning Fri, 10 Oct., priced at AU$299 found 6 hours ago
WestJet
Sat, 6 Sep. - Sun, 7 Sep.
YYC
Calgary
DEN
Denver
AU$300 Return, found 1 day ago
AU$300
Return
found 1 day ago
Select WestJet flight, departing Sat, 6 Sep. from Calgary to Denver, returning Sun, 7 Sep., priced at AU$300 found 1 day ago
Air Canada
Thu, 2 Oct. - Fri, 10 Oct.
YYC
Calgary
DEN
Denver
AU$328 Return, found 6 hours ago
AU$328
Return
found 6 hours ago
Select Air Canada flight, departing Thu, 2 Oct. from Calgary to Denver, returning Fri, 10 Oct., priced at AU$328 found 6 hours ago
Delta
Sat, 6 Sep. - Sun, 7 Sep.
YYC
Calgary
DEN
Denver
AU$336 Return, found 1 day ago
AU$336
Return
found 1 day ago
Select Delta flight, departing Sat, 6 Sep. from Calgary to Denver, returning Sun, 7 Sep., priced at AU$336 found 1 day ago
Alaska Airlines
Sat, 23 Aug. - Mon, 25 Aug.
YYC
Calgary
DEN
Denver
AU$556 Return, found 5 days ago
AU$556
Return
found 5 days ago
Select Alaska Airlines flight, departing Sat, 23 Aug. from Calgary to Denver, returning Mon, 25 Aug., priced at AU$556 found 5 days ago

Find the cheapest month to fly from Calgary (YYC) to Denver (DEN)

May is typically the cheapest month to fly

From AU$201 - AU$427 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.