October is by far the best month, wherein you can get cheapest flights for Lisbon to Porto. Meanwhile, July 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.
May- During this month the footfall is less so, the flight is gradually inexpensive.
May - is the cheapest month to book round trip flights.
Cheapest Fare- Currently, this is the fare price based on the current demand.
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.

NAT
17:05
Natal Augusto Severo International Airport
Wed , 07 May 2025

MCZ
18:10
Maceio Zumbi dos Palmares Airport
Wed, 07 May 2025

MCZ
19:40
Maceio Zumbi dos Palmares Airport
Wed , 07 May 2025

NAT
20:45
Natal Augusto Severo International Airport
Wed, 07 May 2025

LIS
11:45
Lisbon Humberto Delgado Airport
Wed , 07 May 2025

BOS
14:10
Boston General Edward Lawrence Logan International Airport
Wed, 07 May 2025

LIS
17:10
Lisbon Humberto Delgado Airport
Wed , 07 May 2025

JFK
20:05
New York John F Kennedy International Airport
Wed, 07 May 2025

LIS
12:20
Lisbon Humberto Delgado Airport
Wed , 07 May 2025

EWR
15:20
Newark Newark Liberty International Airport
Wed, 07 May 2025

OPO
18:45
Porto Francisco Sa Carneiro Airport
Wed , 07 May 2025

EWR
22:00
Newark Newark Liberty International Airport
Wed, 07 May 2025

LIS
12:15
Lisbon Humberto Delgado Airport
Wed , 07 May 2025

NAT
15:35
Natal Augusto Severo International Airport
Wed, 07 May 2025

LIS
17:10
Lisbon Humberto Delgado Airport
Wed , 07 May 2025

REC
20:50
Recife Recife Guararapes Gilberto Freyre International Airport
Wed, 07 May 2025

LIS
17:25
Lisbon Humberto Delgado Airport
Wed , 07 May 2025

FOR
21:05
Fortaleza Pinto Martins International Airport
Wed, 07 May 2025

LIS
10:35
Lisbon Humberto Delgado Airport
Wed , 07 May 2025

MIA
14:35
Miami Miami International Airport
Wed, 07 May 2025