Air Canada Flight BA859 Deals & Information (2025/2026)

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Air Canada Flight 859 Route Deals From $1,416

The cheapest prices found with in the last 7 days for return flights were $477 and $1,416 for one-way flights to Pearson Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Dec 7 - Sun, Jan 18
LHR
Heathrow
YYZ
Pearson Intl.
$477 Roundtrip, just found
$477
Roundtrip
just found
Select Air Canada flight, departing Sun, Dec 7 from Heathrow to Pearson Intl., returning Sun, Jan 18, priced at $477 just found