United Flight 6628 Deals & Information (2026/2027)

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United Flight 6628 Route Deals From $318

The cheapest prices found with in the last 7 days for return flights were $605 and $318 for one-way flights to Pierre Elliott Trudeau Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Dec 12 - Wed, Dec 16
PHL
Philadelphia Intl.
YUL
Pierre Elliott Trudeau Intl.
$605 Roundtrip, found 5 hours ago
$605
Roundtrip
found 5 hours ago
Select United flight, departing Sat, Dec 12 from Philadelphia Intl. to Pierre Elliott Trudeau Intl., returning Wed, Dec 16, priced at $605 found 5 hours ago
Sat, Dec 12 - Wed, Dec 16
PHL
Philadelphia Intl.
YUL
Pierre Elliott Trudeau Intl.
$622 Roundtrip, found 5 hours ago
$622
Roundtrip
found 5 hours ago
Select United flight, departing Sat, Dec 12 from Philadelphia Intl. to Pierre Elliott Trudeau Intl., returning Wed, Dec 16, priced at $622 found 5 hours ago
Fri, Nov 27 - Sun, Nov 29
PHL
Philadelphia Intl.
YUL
Pierre Elliott Trudeau Intl.
$637 Roundtrip, just found
$637
Roundtrip
just found
Select United flight, departing Fri, Nov 27 from Philadelphia Intl. to Pierre Elliott Trudeau Intl., returning Sun, Nov 29, priced at $637 just found