YUL to OPO from $270 in economy – flightdeals.net

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Air Transat

One Way•Economy

Montréal-Pierre Elliott Trudeau International Airport

Montreal, Canada

Francisco Sá Carneiro Airport

Porto, Portugal

$511 USD

-47%$270 USD

Verified about 13 hours ago

September 2026

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31$270 1$291 2$537 3$270 4$611 5$412 6$278 7$278 8$291 9$278 10$278 11$579 12$394 13$278 14$278 15$270 16$278 17$394 18$278 19$394 20$278 21$270 22$270 23$278 24$270 25$278 26$270 27$278 28$270 29$270 30$278 1$394 2$278 3$270 4$278

Fair Availability

39% of dates checked are available within 10% of the lowest price

Monday, September 21st, 2026

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