$234+ Cheap flights from Maine to Portugal
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LIS
Aug 28 — Sep 41
Round-trip
1 adult, Economy
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Cheapest flights from Maine to PortugalExplore the most affordable flight options available from Maine to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2026.
Explore the most affordable flight options available from Maine to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2026.
This Mytrip deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/19:25 pm
BOS
- TER
1 stop19h 20m
Multiple Airlines
Tue 1/125:50 pm
TER
- BOS
Nonstop6h 10m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$455
This Mytrip deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:25 pm
BOS
- TER
1 stop12h 40m
Multiple Airlines
Tue 11/105:50 pm
TER
- BOS
Nonstop6h 10m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$456
This Mytrip deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:25 pm
BOS
- TER
1 stop7h 55m
Multiple Airlines
Sun 11/81:00 pm
TER
- BOS
1 stop11h 00m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$469
This Mytrip deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/69:25 pm
BOS
- HOR
1 stop8h 30m
Multiple Airlines
Fri 11/133:00 pm
HOR
- BOS
1 stop9h 00m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$476
This FlightHub deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:25 pm
BOS
- TER
Nonstop4h 55m
Azores Airlines
Tue 11/105:50 pm
TER
- BOS
Nonstop6h 10m
Azores Airlines
Deal found 7/27![Azores Airlines logo]()
$476
This FlightHub deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:25 pm
BOS
- SJZ
2 stops11h 00m
Multiple Airlines
Sun 11/82:50 pm
SJZ
- BOS
2 stops33h 10m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$479
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2610:25 pm
BOS
- TER
Nonstop4h 55m
Azores Airlines
Tue 11/35:50 pm
TER
- BOS
Nonstop6h 10m
Azores Airlines
Deal found 7/26![Azores Airlines logo]()
$482
This FlightHub deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:25 pm
BOS
- TER
Nonstop4h 55m
Multiple Airlines
Wed 11/116:35 pm
TER
- BOS
1 stop29h 25m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$490
This SmartFares deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/219:25 pm
BOS
- HOR
1 stop8h 10m
Multiple Airlines
Sun 11/296:00 pm
HOR
- BOS
1 stop30h 00m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$496
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2510:25 pm
BOS
- TER
1 stop7h 55m
Multiple Airlines
Tue 11/35:50 pm
TER
- BOS
Nonstop6h 10m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$509
This Mytrip deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:25 pm
BOS
- TER
2 stops39h 55m
Azores Airlines
Tue 11/105:50 pm
TER
- BOS
Nonstop6h 10m
Azores Airlines
Deal found 7/27![Azores Airlines logo]()
$521
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:25 pm
BOS
- TER
Nonstop4h 55m
Multiple Airlines
Sat 11/71:25 pm
TER
- BOS
1 stop10h 35m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$530
Best flights from Maine to PortugalDiscover carefully curated flight deals from Maine to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2026.
Discover carefully curated flight deals from Maine to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2026.
This oojo deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1410:45 pm
BOS
- TER
1 stop20h 30m
TAP AIR PORTUGAL
Tue 9/227:05 am
TER
- BOS
1 stop11h 40m
TAP AIR PORTUGAL
Deal found 7/24![TAP AIR PORTUGAL logo]()
$639
This Finnair deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:00 pm
BOS
- OPO
1 stop13h 45m
Multiple Airlines
Mon 11/238:40 pm
OPO
- BOS
2 stops31h 06m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$683
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:00 am
BOS
- OPO
2 stops22h 30m
United Airlines
Mon 12/712:35 pm
OPO
- BOS
1 stop30h 10m
United Airlines
Deal found 7/25![United Airlines logo]()
$691
This Virgin Atlantic deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1911:20 pm
BOS
- LIS
Nonstop6h 25m
Virgin Atlantic
Wed 8/2612:45 pm
LIS
- BOS
Nonstop7h 30m
Virgin Atlantic
Deal found 7/29![Virgin Atlantic logo]()
$693
This KLM deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:40 pm
BOS
- LIS
Nonstop6h 20m
KLM
Sun 11/111:15 am
LIS
- BOS
Nonstop7h 44m
KLM
Deal found 7/29![KLM logo]()
$693
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:20 pm
BOS
- LIS
Nonstop6h 25m
Delta
Tue 9/112:45 pm
LIS
- BOS
Nonstop7h 35m
Delta
Deal found 7/28![Delta logo]()
$698
This British Airways deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:35 pm
BOS
- LIS
1 stop12h 35m
British Airways
Sat 11/217:00 am
LIS
- BOS
1 stop17h 40m
British Airways
Deal found 7/24![British Airways logo]()
$732
This SWISS deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:50 pm
BOS
- OPO
2 stops31h 00m
SWISS
Mon 11/169:10 am
OPO
- BOS
2 stops40h 10m
SWISS
Deal found 7/27![SWISS logo]()
$793
This Air Transat deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:30 pm
BOS
- OPO
1 stop11h 25m
Air Transat
Tue 9/88:25 am
OPO
- BOS
1 stop17h 30m
Air Transat
Deal found 7/24![Air Transat logo]()
$803
This LEVEL deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:55 pm
BOS
- OPO
1 stop28h 05m
LEVEL
Wed 8/1910:00 pm
OPO
- BOS
1 stop28h 45m
LEVEL
Deal found 7/27![LEVEL logo]()
$851
This Lufthansa deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/105:45 pm
BOS
- FAO
2 stops16h 20m
Lufthansa
Mon 8/173:55 pm
FAO
- BOS
1 stop30h 45m
Lufthansa
Deal found 7/27![Lufthansa logo]()
$957
This Cheapflightsfares deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/149:15 pm
BOS
- TER
Nonstop5h 05m
Azores Airlines
Tue 9/226:05 pm
TER
- BOS
Nonstop5h 45m
Azores Airlines
Deal found 7/24![Azores Airlines logo]()
$1,012
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:00 am
BOS
- LIS
1 stop16h 00m
Delta
Wed 9/212:45 pm
LIS
- BOS
Nonstop7h 35m
Delta
Deal found 7/27![Delta logo]()
$698
This oojo deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:15 pm
BOS
- FNC
1 stop27h 35m
TAP AIR PORTUGAL
Tue 9/2210:45 pm
FNC
- BOS
1 stop26h 35m
TAP AIR PORTUGAL
Deal found 7/24![TAP AIR PORTUGAL logo]()
$704
This KLM deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:25 pm
BOS
- LIS
Nonstop6h 20m
KLM
Wed 9/1612:45 pm
LIS
- BOS
Nonstop7h 35m
KLM
Deal found 7/29![KLM logo]()
$723
This Booking.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/79:15 pm
BOS
- SJZ
2 stops10h 30m
Multiple Airlines
Tue 10/204:05 pm
SJZ
- BOS
1 stop7h 45m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$741
This Virgin Atlantic deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2311:25 pm
BOS
- LIS
Nonstop6h 20m
Virgin Atlantic
Wed 9/3012:45 pm
LIS
- BOS
Nonstop7h 35m
Virgin Atlantic
Deal found 7/25![Virgin Atlantic logo]()
$765
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1111:20 pm
BOS
- LIS
Nonstop6h 25m
Delta
Wed 8/2610:00 am
LIS
- BOS
1 stop13h 40m
Delta
Deal found 7/24![Delta logo]()
$709
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:30 am
BOS
- PDL
2 stops19h 10m
United Airlines
Tue 8/1811:00 am
PDL
- BOS
2 stops16h 59m
United Airlines
Deal found 7/27![United Airlines logo]()
$791
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:05 pm
BOS
- TER
1 stop14h 45m
TAP AIR PORTUGAL
Mon 11/22:55 pm
TER
- BOS
1 stop33h 50m
TAP AIR PORTUGAL
Deal found 7/26![TAP AIR PORTUGAL logo]()
$747
This British Airways deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:50 pm
BOS
- FAO
1 stop16h 15m
British Airways
Mon 11/91:40 pm
FAO
- BOS
1 stop29h 40m
British Airways
Deal found 7/24![British Airways logo]()
$829
This KLM deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:55 pm
BOS
- FAO
1 stop19h 35m
KLM
Mon 10/262:40 pm
FAO
- BOS
1 stop28h 33m
KLM
Deal found 7/29![KLM logo]()
$764
This Delta deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/299:35 pm
BOS
- LIS
Nonstop6h 25m
Delta
Wed 1/611:30 am
LIS
- BOS
1 stop31h 53m
Delta
Deal found 7/25![Delta logo]()
$709
This SWISS deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/99:40 pm
BOS
- FAO
2 stops39h 00m
SWISS
Tue 8/187:05 pm
FAO
- BOS
1 stop25h 05m
SWISS
Deal found 7/27![SWISS logo]()
$882
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:00 pm
BOS
- FAO
1 stop10h 10m
United Airlines
Tue 9/293:25 pm
FAO
- BOS
2 stops36h 20m
United Airlines
Deal found 7/24![United Airlines logo]()
$807
This FlightHub deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/39:15 pm
BOS
- SMA
1 stop18h 15m
Multiple Airlines
Sat 10/107:55 pm
SMA
- BOS
1 stop27h 55m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$818
This KLM deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/144:40 pm
BOS
- FAO
2 stops16h 10m
KLM
Mon 1/182:40 pm
FAO
- BOS
1 stop28h 43m
KLM
Deal found 7/25![KLM logo]()
$773
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:40 pm
BOS
- LIS
1 stop21h 05m
Delta
Fri 12/1810:00 am
LIS
- BOS
1 stop18h 23m
Delta
Deal found 7/24![Delta logo]()
$709
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:00 pm
BOS
- PDL
2 stops31h 45m
TAP AIR PORTUGAL
Mon 11/27:25 pm
PDL
- BOS
1 stop23h 15m
TAP AIR PORTUGAL
Deal found 7/26![TAP AIR PORTUGAL logo]()
$791
This British Airways deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:40 pm
BOS
- FAO
1 stop18h 25m
British Airways
Fri 9/252:00 pm
FAO
- BOS
1 stop13h 35m
British Airways
Deal found 7/24![British Airways logo]()
$891
Last-minute flights from Maine to PortugalDiscover last-minute flight deals from Maine to Portugal. Data last updated July 29, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to Portugal. Data last updated July 29, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:05 pm
BOS
- OPO
1 stop11h 05m
TAP AIR PORTUGAL
Wed 9/210:30 pm
OPO
- BOS
1 stop26h 50m
TAP AIR PORTUGAL
Deal found 7/28![TAP AIR PORTUGAL logo]()
$664
This oojo deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/910:40 pm
BOS
- OPO
1 stop13h 20m
TAP AIR PORTUGAL
Sun 12/68:00 pm
OPO
- BOS
1 stop23h 40m
TAP AIR PORTUGAL
Deal found 7/27![TAP AIR PORTUGAL logo]()
$646
This oojo deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/911:00 pm
BOS
- OPO
Nonstop6h 30m
TAP AIR PORTUGAL
Sat 12/128:00 pm
OPO
- BOS
1 stop23h 40m
TAP AIR PORTUGAL
Deal found 7/27![TAP AIR PORTUGAL logo]()
$667
This oojo deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:05 pm
BOS
- OPO
1 stop9h 55m
TAP AIR PORTUGAL
Wed 9/99:00 am
OPO
- BOS
1 stop10h 45m
TAP AIR PORTUGAL
Deal found 7/29![TAP AIR PORTUGAL logo]()
$655
This FlightHub deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:05 pm
BOS
- OPO
1 stop9h 55m
TAP AIR PORTUGAL
Fri 9/185:05 am
OPO
- BOS
1 stop20h 15m
TAP AIR PORTUGAL
Deal found 7/25![TAP AIR PORTUGAL logo]()
$668
This oojo deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:45 pm
BOS
- OPO
1 stop15h 15m
TAP AIR PORTUGAL
Wed 9/26:00 pm
OPO
- BOS
1 stop31h 20m
TAP AIR PORTUGAL
Deal found 7/28![TAP AIR PORTUGAL logo]()
$662
This oojo deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2311:00 pm
BOS
- OPO
Nonstop6h 30m
TAP AIR PORTUGAL
Mon 9/145:05 am
OPO
- BOS
1 stop20h 15m
TAP AIR PORTUGAL
Deal found 7/28![TAP AIR PORTUGAL logo]()
$650
This oojo deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:05 pm
BOS
- TER
1 stop12h 55m
TAP AIR PORTUGAL
Tue 9/227:05 am
TER
- BOS
1 stop17h 15m
TAP AIR PORTUGAL
Deal found 7/26![TAP AIR PORTUGAL logo]()
$638
This Mytrip deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:00 pm
BOS
- OPO
2 stops19h 20m
Multiple Airlines
Tue 9/2210:25 pm
OPO
- BOS
3 stops29h 15m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$658
This oojo deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:45 pm
BOS
- OPO
1 stop15h 15m
TAP AIR PORTUGAL
Wed 9/210:30 pm
OPO
- BOS
1 stop26h 50m
TAP AIR PORTUGAL
Deal found 7/27![TAP AIR PORTUGAL logo]()
$656
This oojo deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:05 pm
BOS
- TER
1 stop14h 50m
TAP AIR PORTUGAL
Thu 9/37:15 am
TER
- BOS
1 stop17h 05m
TAP AIR PORTUGAL
Deal found 7/28![TAP AIR PORTUGAL logo]()
$657
This oojo deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:15 pm
BOS
- OPO
Nonstop6h 40m
TAP AIR PORTUGAL
Sun 9/1310:30 pm
OPO
- BOS
1 stop21h 15m
TAP AIR PORTUGAL
Deal found 7/28![TAP AIR PORTUGAL logo]()
$648
One-way flights from Maine to PortugalSearch for one-way flight options from Maine to Portugal. Find affordable one-way fares based on user searches. Data last updated July 29, 2026.
Search for one-way flight options from Maine to Portugal. Find affordable one-way fares based on user searches. Data last updated July 29, 2026.
This Mytrip deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/99:25 pm
BOS
- OPO
1 stop9h 25m
Azores Airlines
Deal found 7/26![Azores Airlines logo]()
$234
This KAYAK deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/139:25 pm
BOS
- FAO
1 stop10h 00m
Azores Airlines
Deal found 7/25![Azores Airlines logo]()
$235
This SmartFares deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/89:25 pm
BOS
- OPO
1 stop9h 25m
Azores Airlines
Deal found 7/26![Azores Airlines logo]()
$237
This Mytrip deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/59:25 pm
BOS
- OPO
1 stop11h 25m
Azores Airlines
Deal found 7/26![Azores Airlines logo]()
$246
This Mytrip deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/89:25 pm
BOS
- OPO
1 stop18h 40m
Azores Airlines
Deal found 7/26![Azores Airlines logo]()
$248
This KAYAK deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/69:25 pm
BOS
- OPO
1 stop9h 25m
Azores Airlines
Deal found 7/29![Azores Airlines logo]()
$249
This Mytrip deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1110:45 pm
BOS
- PDL
1 stop21h 00m
TAP AIR PORTUGAL
Deal found 7/27![TAP AIR PORTUGAL logo]()
$255
This oojo deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:45 pm
BOS
- PDL
1 stop21h 00m
TAP AIR PORTUGAL
Deal found 7/29![TAP AIR PORTUGAL logo]()
$256
This Booking.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1310:45 pm
BOS
- PDL
1 stop10h 30m
TAP AIR PORTUGAL
Deal found 7/26![TAP AIR PORTUGAL logo]()
$257
This oojo deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1610:40 pm
BOS
- PDL
1 stop31h 05m
TAP AIR PORTUGAL
Deal found 7/25![TAP AIR PORTUGAL logo]()
$258
This Mytrip deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2310:40 pm
BOS
- PDL
1 stop12h 20m
TAP AIR PORTUGAL
Deal found 7/28![TAP AIR PORTUGAL logo]()
$262
This Cheapflightsfares deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:45 pm
BOS
- PDL
1 stop10h 30m
TAP AIR PORTUGAL
Deal found 7/29![TAP AIR PORTUGAL logo]()
$263
Find flight deals from Maine to Portugal
Keep the following information in mind while searching for Maine to Portugal flight deals. Data was last updated July 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $455 (Mytrip) |
One-way from | $234 (Mytrip) |
Popular in | December |
Cheapest in | February |
Average price | $1,131 |
Cheapflights Fare Finder
Customize your flight search to find flights from Maine to Portugal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2026.
Use the filters below to find and compare flights from Maine to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonLajes
BOS - TER
BOSTER
Boston Logan Intl
Mon 9/14
10:45 pm-11:15 pm
1 stop20h 30m
Lajes
Tue 9/22
7:05 am-2:45 pm
1 stop11h 40m
$639
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Wed 11/18
5:00 pm-11:45 am
1 stop13h 45m
Porto
Mon 11/23
8:40 pm-10:46 pm
2 stops31h 06m
$683
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Wed 12/2
6:00 am-9:30 am
2 stops22h 30m
Porto
Mon 12/7
12:35 pm-1:45 pm
1 stop30h 10m
$691
BostonLisbon
BOS - LIS
BOSLIS
Boston Logan Intl
Wed 8/19
11:20 pm-10:45 am
Nonstop6h 25m
Lisbon Humberto Delgado
Wed 8/26
12:45 pm-3:15 pm
Nonstop7h 30m
$693
BostonLisbon
BOS - LIS
BOSLIS
Boston Logan Intl
Wed 10/28
10:40 pm-9:00 am
Nonstop6h 20m
Lisbon Humberto Delgado
Sun 11/1
11:15 am-1:59 pm
Nonstop7h 44m
$693
BostonLisbon
BOS - LIS
BOSLIS
Boston Logan Intl
Mon 8/24
11:20 pm-10:45 am
Nonstop6h 25m
Lisbon Humberto Delgado
Tue 9/1
12:45 pm-3:20 pm
Nonstop7h 35m
$698
BostonLisbon
BOS - LIS
BOSLIS
Boston Logan Intl
Mon 8/24
11:00 am-8:00 am
1 stop16h 00m
Lisbon Humberto Delgado
Wed 9/2
12:45 pm-3:20 pm
Nonstop7h 35m
$698
BostonFunchal
BOS - FNC
BOSFNC
Boston Logan Intl
Wed 9/9
11:15 pm-7:50 am
1 stop27h 35m
Funchal Madeira
Tue 9/22
10:45 pm-8:20 pm
1 stop26h 35m
$704
BostonLisbon
BOS - LIS
BOSLIS
Boston Logan Intl
Tue 8/11
11:20 pm-10:45 am
Nonstop6h 25m
Lisbon Humberto Delgado
Wed 8/26
10:00 am-6:40 pm
1 stop13h 40m
$709
BostonLisbon
BOS - LIS
BOSLIS
Boston Logan Intl
Tue 12/29
9:35 pm-9:00 am
Nonstop6h 25m
Lisbon Humberto Delgado
Wed 1/6
11:30 am-2:23 pm
1 stop31h 53m
$709
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Maine to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from Maine with our price prediction graph.
BOS-OPO
BOS-FAO
BOS-PDL
BOS-TER
BOS-LIS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Maine to Portugal
USME-PT0
BOS-OPO
BOS-FAO
BOS-PDL
BOS-TER
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Maine to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Maine to Portugal
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Portugal by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Maine to Portugal by cabin class
Find flights from Maine to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Maine and Portugal flights
Browse other Maine and Portugal flight options. Last updated on July 29, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Portugal
Find the right flight back to Maine after your stay in Portugal
Maine to Portugal flights
Consider these flights traveling from Maine to Portugal.
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top airline flying from Maine to Portugal
Discover the top airline that operate flights from Maine to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$550 | Average$707 | FlexibilityNo cancel fee | On-time69% |