is by far the best month, wherein you can get cheapest flights for Porto to Lisbon. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
Disclaimer - All the mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

Toronto
20:45
Lester B Pearson International Airport [YYZ]
Sun , 03 May 2026

Ponta Delgada
11:55
Joao Paulo II Airport [PDL]
Mon, 04 May 2026

Toronto
20:45
Lester B Pearson International Airport [YYZ]
Mon , 04 May 2026

Paris
13:35
Charles de Gaulle International Airport [CDG]
Tue, 05 May 2026

Toronto
20:45
Lester B Pearson International Airport [YYZ]
Mon , 04 May 2026

Fiumicino
00:15
Fiumicino Leonardo Da Vinci International Airport [FCO]
Wed, 06 May 2026

Fiumicino
20:05
Fiumicino Leonardo Da Vinci International Airport [FCO]
Mon , 11 May 2026

Toronto
19:30
Lester B Pearson International Airport [YYZ]
Tue, 12 May 2026

Paris
07:40
Paris Orly Airport [ORY]
Tue , 12 May 2026

Toronto
19:30
Lester B Pearson International Airport [YYZ]
Tue, 12 May 2026

Toronto
20:45
Lester B Pearson International Airport [YYZ]
Mon , 04 May 2026

London
17:45
London Heathrow Airport [LHR]
Tue, 05 May 2026

Paris
14:30
Charles de Gaulle International Airport [CDG]
Sat , 02 May 2026

Lisbon
23:00
Humberto Delgado Airport [LIS]
Sat, 02 May 2026

Toronto
20:45
Lester B Pearson International Airport [YYZ]
Thu , 07 May 2026

Lisbon
13:05
Humberto Delgado Airport [LIS]
Fri, 08 May 2026

Toronto
20:45
Lester B Pearson International Airport [YYZ]
Wed , 06 May 2026

Lisbon
01:05
Humberto Delgado Airport [LIS]
Fri, 08 May 2026

Toronto
20:45
Lester B Pearson International Airport [YYZ]
Wed , 06 May 2026

Lisbon
11:40
Humberto Delgado Airport [LIS]
Thu, 07 May 2026