Air Canada Flight AC854 Deals & Information (2025/2026)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Air Canada Flight 854 Route Deals From $297

The cheapest prices found with in the last 7 days for return flights were $609 and $297 for one-way flights to Heathrow for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jan 12 - Fri, Jan 23
YYZ
Pearson Intl.
LHR
Heathrow
$609 Roundtrip, found 12 hours ago
$609
Roundtrip
found 12 hours ago
Select Air Canada flight, departing Mon, Jan 12 from Pearson Intl. to Heathrow, returning Fri, Jan 23, priced at $609 found 12 hours ago