United Flight 6628 Deals & Information (2026/2027)

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United Flight 6628 Route Deals From $268

The cheapest prices found with in the last 7 days for return flights were $511 and $268 for one-way flights to Pierre Elliott Trudeau Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Oct 30 - Tue, Nov 3
PHL
Philadelphia Intl.
YUL
Pierre Elliott Trudeau Intl.
$511 Roundtrip, found 6 days ago
$511
Roundtrip
found 6 days ago
Select United flight, departing Fri, Oct 30 from Philadelphia Intl. to Pierre Elliott Trudeau Intl., returning Tue, Nov 3, priced at $511 found 6 days ago
Sat, Dec 12 - Wed, Dec 16
PHL
Philadelphia Intl.
YUL
Pierre Elliott Trudeau Intl.
$530 Roundtrip, found 11 hours ago
$530
Roundtrip
found 11 hours ago
Select United flight, departing Sat, Dec 12 from Philadelphia Intl. to Pierre Elliott Trudeau Intl., returning Wed, Dec 16, priced at $530 found 11 hours ago
Fri, Oct 23 - Tue, Oct 27
PHL
Philadelphia Intl.
YUL
Pierre Elliott Trudeau Intl.
$541 Roundtrip, found 3 hours ago
$541
Roundtrip
found 3 hours ago
Select United flight, departing Fri, Oct 23 from Philadelphia Intl. to Pierre Elliott Trudeau Intl., returning Tue, Oct 27, priced at $541 found 3 hours ago
Sat, Dec 12 - Wed, Dec 16
PHL
Philadelphia Intl.
YUL
Pierre Elliott Trudeau Intl.
$551 Roundtrip, found 11 hours ago
$551
Roundtrip
found 11 hours ago
Select United flight, departing Sat, Dec 12 from Philadelphia Intl. to Pierre Elliott Trudeau Intl., returning Wed, Dec 16, priced at $551 found 11 hours ago
Fri, Oct 23 - Tue, Oct 27
PHL
Philadelphia Intl.
YUL
Pierre Elliott Trudeau Intl.
$557 Roundtrip, found 3 hours ago
$557
Roundtrip
found 3 hours ago
Select United flight, departing Fri, Oct 23 from Philadelphia Intl. to Pierre Elliott Trudeau Intl., returning Tue, Oct 27, priced at $557 found 3 hours ago