Flights From Porto (OPO) to Waterloo (YUL)

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

Selected fares from Porto to Waterloo

The cheapest prices found with in the last 7 days for return flights were CA $583 and CA $330 for one-way flights to Waterloo for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Transat
Tue, Jun 9 - Thu, Jun 18
OPO
Dr. Francisco de Sa Carneiro
YUL
Pierre Elliott Trudeau Intl.
CA $583 Roundtrip, found 5 days ago
CA $583
Roundtrip
found 5 days ago
Select Air Transat flight, departing Tue, Jun 9 from Dr. Francisco de Sa Carneiro to Pierre Elliott Trudeau Intl., returning Thu, Jun 18, priced at CA $583 found 5 days ago
Air Transat
Sun, Jun 7 - Sat, Jun 13
OPO
Dr. Francisco de Sa Carneiro
YUL
Pierre Elliott Trudeau Intl.
CA $586 Roundtrip, found 15 hours ago
CA $586
Roundtrip
found 15 hours ago
Select Air Transat flight, departing Sun, Jun 7 from Dr. Francisco de Sa Carneiro to Pierre Elliott Trudeau Intl., returning Sat, Jun 13, priced at CA $586 found 15 hours ago
Lufthansa
Thu, Oct 8 - Sat, Oct 24
OPO
Dr. Francisco de Sa Carneiro
YUL
Pierre Elliott Trudeau Intl.
CA $626 Roundtrip, found 3 days ago
CA $626
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Thu, Oct 8 from Dr. Francisco de Sa Carneiro to Pierre Elliott Trudeau Intl., returning Sat, Oct 24, priced at CA $626 found 3 days ago