
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $504 (FlightHub) |
Popular in | May |
Cheapest in | February |
Average price | $945 |
Fly from
Fly to
Route
Depart
Return
Price
PortlandLisbon
PWM - LIS
PWMLIS
Portland
dom. 1/18
6:30 am-5:20 pm
2 stops29h 50m
Lisbon Humberto Delgado
dom. 1/25
4:55 pm-11:49 pm
2 stops35h 54m
PortlandLisbon
PWM - LIS
PWMLIS
Portland
mié. 12/3
10:02 am-10:15 am
1 stop19h 13m
Lisbon Humberto Delgado
lun. 12/8
5:00 am-9:17 pm
2 stops45h 17m
PortlandLisbon
PWM - LIS
PWMLIS
Portland
jue. 1/8
3:12 pm-8:10 am
1 stop11h 58m
Lisbon Humberto Delgado
jue. 1/15
5:00 am-6:50 pm
2 stops18h 50m
PortlandLisbon
PWM - LIS
PWMLIS
Portland
jue. 12/11
2:13 pm-10:15 am
1 stop15h 02m
Lisbon Humberto Delgado
jue. 12/18
10:55 am-11:59 pm
2 stops42h 04m
PortlandLisbon
PWM - LIS
PWMLIS
Portland
lun. 12/1
3:20 pm-8:10 am
1 stop11h 50m
Lisbon Humberto Delgado
lun. 12/8
11:20 am-9:17 pm
2 stops38h 57m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
Currently, February is the cheapest month in which you can book a flight from Portland, Maine to Lisbon (average of $339). Flying from Portland, Maine to Lisbon in June is currently the most expensive (average of $593). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s typically best to fly out from Portland, Maine to Lisbon in the evening. Doing so could potentially save you 34% on the flight price compared to flying in the afternoon, which is usually more expensive.
Comfort
Overall
Boarding
Crew
Food
Entertainment
Reviews
Sebrena,Oct 2025
IAH - RSW
Comfort
Overall
Boarding
Crew
Food
Entertainment
Reviews
Sebrena,Oct 2025
IAH - RSW
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$578 | Average$778 | FlexibilityNo cancel fee | On-time69% |