Air Canada Flight 865 Deals & Information (2026/2027)

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Air Canada Flight 865 Route Deals From $929

The cheapest prices found with in the last 7 days for return flights were $439 and $929 for one-way flights to Pierre Elliott Trudeau Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Oct 12 - Wed, Oct 28
LHR
Heathrow
YUL
Pierre Elliott Trudeau Intl.
$439 Roundtrip, found 1 day ago
$439
Roundtrip
found 1 day ago
Select Air Canada flight, departing Mon, Oct 12 from Heathrow to Pierre Elliott Trudeau Intl., returning Wed, Oct 28, priced at $439 found 1 day ago
Mon, Oct 12 - Wed, Oct 28
LHR
Heathrow
YUL
Pierre Elliott Trudeau Intl.
$468 Roundtrip, found 1 day ago
$468
Roundtrip
found 1 day ago
Select Air Canada flight, departing Mon, Oct 12 from Heathrow to Pierre Elliott Trudeau Intl., returning Wed, Oct 28, priced at $468 found 1 day ago
Thu, Oct 22 - Wed, Oct 28
LHR
Heathrow
YUL
Pierre Elliott Trudeau Intl.
$472 Roundtrip, found 4 days ago
$472
Roundtrip
found 4 days ago
Select Air Canada flight, departing Thu, Oct 22 from Heathrow to Pierre Elliott Trudeau Intl., returning Wed, Oct 28, priced at $472 found 4 days ago
Wed, Oct 21 - Sun, Oct 25
LHR
Heathrow
YUL
Pierre Elliott Trudeau Intl.
$476 Roundtrip, found 2 days ago
$476
Roundtrip
found 2 days ago
Select Air Canada flight, departing Wed, Oct 21 from Heathrow to Pierre Elliott Trudeau Intl., returning Sun, Oct 25, priced at $476 found 2 days ago
Wed, Oct 21 - Sun, Oct 25
LHR
Heathrow
YUL
Pierre Elliott Trudeau Intl.
$496 Roundtrip, found 2 days ago
$496
Roundtrip
found 2 days ago
Select Air Canada flight, departing Wed, Oct 21 from Heathrow to Pierre Elliott Trudeau Intl., returning Sun, Oct 25, priced at $496 found 2 days ago
Mon, Oct 19 - Mon, Oct 26
LHR
Heathrow
YUL
Pierre Elliott Trudeau Intl.
$509 Roundtrip, found 3 days ago
$509
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Oct 19 from Heathrow to Pierre Elliott Trudeau Intl., returning Mon, Oct 26, priced at $509 found 3 days ago
Thu, Oct 22 - Wed, Oct 28
LHR
Heathrow
YUL
Pierre Elliott Trudeau Intl.
$510 Roundtrip, found 4 days ago
$510
Roundtrip
found 4 days ago
Select Air Canada flight, departing Thu, Oct 22 from Heathrow to Pierre Elliott Trudeau Intl., returning Wed, Oct 28, priced at $510 found 4 days ago