Cheap flights from Baltimore to Lake Louise

View AU$143 flight on Sun, 21 Sep. 2025Opens in a new window

Popular airlines from Baltimore to Lake Louise

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Cheap Flights from Baltimore (WAS) to Lake Louise (YYC)

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.

United
Sun, 21 Sep. - Tue, 30 Sep.
DCA
Washington
YYC
Calgary
AU$364 Return, found 4 days ago
AU$364
Return
found 4 days ago
Select United flight, departing Sun, 21 Sep. from Washington to Calgary, returning Tue, 30 Sep., priced at AU$364 found 4 days ago
United
Sun, 21 Sep. - Tue, 30 Sep.
DCA
Washington
YYC
Calgary
AU$374 Return, found 4 days ago
AU$374
Return
found 4 days ago
Select United flight, departing Sun, 21 Sep. from Washington to Calgary, returning Tue, 30 Sep., priced at AU$374 found 4 days ago
Air Canada
Mon, 25 Aug. - Fri, 29 Aug.
DCA
Washington
YYC
Calgary
AU$406 Return, found 5 days ago
AU$406
Return
found 5 days ago
Select Air Canada flight, departing Mon, 25 Aug. from Washington to Calgary, returning Fri, 29 Aug., priced at AU$406 found 5 days ago
Delta
Mon, 25 Aug. - Fri, 29 Aug.
DCA
Washington
YYC
Calgary
AU$413 Return, found 5 days ago
AU$413
Return
found 5 days ago
Select Delta flight, departing Mon, 25 Aug. from Washington to Calgary, returning Fri, 29 Aug., priced at AU$413 found 5 days ago
American Airlines
Sun, 21 Sep. - Tue, 30 Sep.
DCA
Washington
YYC
Calgary
AU$418 Return, found 4 days ago
AU$418
Return
found 4 days ago
Select American Airlines flight, departing Sun, 21 Sep. from Washington to Calgary, returning Tue, 30 Sep., priced at AU$418 found 4 days ago
WestJet
Sun, 21 Sep. - Tue, 30 Sep.
BWI
Baltimore
YYC
Calgary
AU$626 Return, found 4 days ago
AU$626
Return
found 4 days ago
Select WestJet flight, departing Sun, 21 Sep. from Baltimore to Calgary, returning Tue, 30 Sep., priced at AU$626 found 4 days ago

Find the cheapest month to fly from Baltimore (BWI) to Calgary (YYC)

March is typically the cheapest month to fly

From AU$430 - AU$1,122 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.