Air Canada Flight AC865 Deals & Information (2025/2026)

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Air Canada Flight 865 Route Deals From $1,126

The cheapest prices found with in the last 7 days for return flights were $491 and $1,126 for one-way flights to Pierre Elliott Trudeau Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 30 - Mon, Oct 6
LHR
Heathrow
YUL
Pierre Elliott Trudeau Intl.
$491 Roundtrip, found 3 hours ago
$491
Roundtrip
found 3 hours ago
Select Air Canada flight, departing Tue, Sep 30 from Heathrow to Pierre Elliott Trudeau Intl., returning Mon, Oct 6, priced at $491 found 3 hours ago
Tue, Sep 30 - Mon, Oct 6
LHR
Heathrow
YUL
Pierre Elliott Trudeau Intl.
$493 Roundtrip, found 3 hours ago
$493
Roundtrip
found 3 hours ago
Select Air Canada flight, departing Tue, Sep 30 from Heathrow to Pierre Elliott Trudeau Intl., returning Mon, Oct 6, priced at $493 found 3 hours ago
Wed, Oct 1 - Sat, Oct 18
LHR
Heathrow
YUL
Pierre Elliott Trudeau Intl.
$503 Roundtrip, found 1 day ago
$503
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Oct 1 from Heathrow to Pierre Elliott Trudeau Intl., returning Sat, Oct 18, priced at $503 found 1 day ago
Wed, Oct 1 - Sat, Oct 18
LHR
Heathrow
YUL
Pierre Elliott Trudeau Intl.
$509 Roundtrip, found 1 day ago
$509
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Oct 1 from Heathrow to Pierre Elliott Trudeau Intl., returning Sat, Oct 18, priced at $509 found 1 day ago
Wed, Oct 1 - Sat, Oct 18
LHR
Heathrow
YUL
Pierre Elliott Trudeau Intl.
$510 Roundtrip, found 1 day ago
$510
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Oct 1 from Heathrow to Pierre Elliott Trudeau Intl., returning Sat, Oct 18, priced at $510 found 1 day ago
Tue, Sep 30 - Mon, Oct 6
LHR
Heathrow
YUL
Pierre Elliott Trudeau Intl.
$514 Roundtrip, found 3 hours ago
$514
Roundtrip
found 3 hours ago
Select Air Canada flight, departing Tue, Sep 30 from Heathrow to Pierre Elliott Trudeau Intl., returning Mon, Oct 6, priced at $514 found 3 hours ago
Tue, Sep 30 - Mon, Oct 6
LHR
Heathrow
YUL
Pierre Elliott Trudeau Intl.
$519 Roundtrip, found 3 hours ago
$519
Roundtrip
found 3 hours ago
Select Air Canada flight, departing Tue, Sep 30 from Heathrow to Pierre Elliott Trudeau Intl., returning Mon, Oct 6, priced at $519 found 3 hours ago
Tue, Sep 30 - Mon, Oct 6
LHR
Heathrow
YUL
Pierre Elliott Trudeau Intl.
$522 Roundtrip, found 3 hours ago
$522
Roundtrip
found 3 hours ago
Select Air Canada flight, departing Tue, Sep 30 from Heathrow to Pierre Elliott Trudeau Intl., returning Mon, Oct 6, priced at $522 found 3 hours ago
Sat, Sep 27 - Sat, Oct 11
LHR
Heathrow
YUL
Pierre Elliott Trudeau Intl.
$522 Roundtrip, found 3 hours ago
$522
Roundtrip
found 3 hours ago
Select Air Canada flight, departing Sat, Sep 27 from Heathrow to Pierre Elliott Trudeau Intl., returning Sat, Oct 11, priced at $522 found 3 hours ago