Cheap flights from Baltimore to Lake Louise from CA $135

View CA $135 flight on Sun, Sep. 28, 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 and start at CA $135 for one-way flights and CA $320 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, Sep. 7 - Tue, Sep. 16
DCA
Washington
YYC
Calgary
CA $320 Roundtrip, found 1 hour ago
CA $320
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sun, Sep. 7 from Washington to Calgary, returning Tue, Sep. 16, priced at CA $320 found 1 hour ago
United
Sun, Sep. 7 - Tue, Sep. 16
DCA
Washington
YYC
Calgary
CA $327 Roundtrip, found 1 hour ago
CA $327
Roundtrip
found 1 hour ago
Select United flight, departing Sun, Sep. 7 from Washington to Calgary, returning Tue, Sep. 16, priced at CA $327 found 1 hour ago
United
Mon, Aug. 18 - Fri, Aug. 29
DCA
Washington
YYC
Calgary
CA $333 Roundtrip, found 1 hour ago
CA $333
Roundtrip
found 1 hour ago
Select United flight, departing Mon, Aug. 18 from Washington to Calgary, returning Fri, Aug. 29, priced at CA $333 found 1 hour ago
Air Canada
Mon, Aug. 18 - Fri, Aug. 29
DCA
Washington
YYC
Calgary
CA $355 Roundtrip, found 1 hour ago
CA $355
Roundtrip
found 1 hour ago
Select Air Canada flight, departing Mon, Aug. 18 from Washington to Calgary, returning Fri, Aug. 29, priced at CA $355 found 1 hour ago
Delta
Mon, Sep. 8 - Fri, Sep. 12
DCA
Washington
YYC
Calgary
CA $373 Roundtrip, found 1 hour ago
CA $373
Roundtrip
found 1 hour ago
Select Delta flight, departing Mon, Sep. 8 from Washington to Calgary, returning Fri, Sep. 12, priced at CA $373 found 1 hour ago
Alaska Airlines
Tue, Aug. 26 - Tue, Sep. 2
BWI
Baltimore
YYC
Calgary
CA $496 Roundtrip, found 5 days ago
CA $496
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Aug. 26 from Baltimore to Calgary, returning Tue, Sep. 2, priced at CA $496 found 5 days ago

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

March is typically the cheapest month to fly

From CA $383 - CA $999 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.