$259+ 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 3/27. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LIS
Apr 23 — Apr 301
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 March 24, 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 March 24, 2026.
This Super.com deal was found by Cheapflights users on 3/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:00 pm
BOS
- OPO
1 stop10h 50m
TAP AIR PORTUGAL
Tue 11/248:00 pm
OPO
- BOS
1 stop23h 40m
TAP AIR PORTUGAL
Deal found 3/19![TAP AIR PORTUGAL logo]()
$431
This Kiwi.com deal was found by Cheapflights users on 3/21. 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.
Thu 4/98:05 pm
BOS
- FAO
1 stop14h 00m
Lufthansa
Wed 4/223:55 pm
FAO
- BOS
1 stop30h 45m
Lufthansa
Deal found 3/21![Lufthansa logo]()
$431
This oojo deal was found by Cheapflights users on 3/19. 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.
Fri 11/1310:10 pm
BOS
- OPO
1 stop14h 50m
TAP AIR PORTUGAL
Wed 11/188:55 am
OPO
- BOS
1 stop10h 45m
TAP AIR PORTUGAL
Deal found 3/19![TAP AIR PORTUGAL logo]()
$433
This Flighttix deal was found by Cheapflights users on 3/20. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:30 am
BOS
- FAO
2 stops31h 45m
Multiple Airlines
Wed 4/223:55 pm
FAO
- BOS
1 stop30h 45m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$439
This Super.com deal was found by Cheapflights users on 3/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:00 pm
BOS
- OPO
1 stop14h 05m
TAP AIR PORTUGAL
Sun 11/86:00 pm
OPO
- BOS
Nonstop7h 45m
TAP AIR PORTUGAL
Deal found 3/19![TAP AIR PORTUGAL logo]()
$444
This oojo deal was found by Cheapflights users on 3/19. 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 10/146:05 pm
BOS
- OPO
1 stop11h 55m
TAP AIR PORTUGAL
Wed 10/2110:30 pm
OPO
- BOS
1 stop26h 50m
TAP AIR PORTUGAL
Deal found 3/19![TAP AIR PORTUGAL logo]()
$450
This BusinessClass deal was found by Cheapflights users on 3/20. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:05 pm
BOS
- FAO
1 stop14h 00m
Multiple Airlines
Tue 5/1911:40 am
FAO
- BOS
1 stop11h 40m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$454
This FlightHub deal was found by Cheapflights users on 3/19. 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 4/2710:45 pm
BOS
- OPO
1 stop13h 15m
TAP AIR PORTUGAL
Mon 5/255:50 pm
OPO
- BOS
Nonstop7h 30m
TAP AIR PORTUGAL
Deal found 3/19![TAP AIR PORTUGAL logo]()
$459
This BusinessClass deal was found by Cheapflights users on 3/20. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:05 pm
BOS
- FAO
1 stop14h 00m
Lufthansa
Tue 5/1911:40 am
FAO
- BOS
2 stops17h 19m
Lufthansa
Deal found 3/20![Lufthansa logo]()
$459
This Super.com deal was found by Cheapflights users on 3/21. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1010:45 pm
BOS
- OPO
Nonstop6h 45m
TAP AIR PORTUGAL
Sun 11/152:50 pm
OPO
- BOS
1 stop10h 20m
TAP AIR PORTUGAL
Deal found 3/21![TAP AIR PORTUGAL logo]()
$464
This KAYAK deal was found by Cheapflights users on 3/21. 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 4/88:05 pm
BOS
- FAO
1 stop14h 00m
Lufthansa
Wed 4/153:55 pm
FAO
- BOS
2 stops28h 45m
Lufthansa
Deal found 3/21![Lufthansa logo]()
$464
This Mytrip deal was found by Cheapflights users on 3/23. 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 11/246:00 pm
BOS
- OPO
1 stop25h 25m
TAP AIR PORTUGAL
Tue 12/86:55 am
OPO
- BOS
1 stop12h 45m
TAP AIR PORTUGAL
Deal found 3/23![TAP AIR PORTUGAL logo]()
$465
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 March 24, 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 March 24, 2026.
This Gotogate deal was found by Cheapflights users on 3/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/69:15 pm
BOS
- GRW
1 stop10h 00m
Multiple Airlines
Sat 4/111:50 pm
GRW
- BOS
2 stops10h 00m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$612
This KLM deal was found by Cheapflights users on 3/21. 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.
Sun 4/56:55 pm
BOS
- FAO
1 stop33h 15m
KLM
Mon 4/139:45 pm
FAO
- BOS
1 stop20h 28m
KLM
Deal found 3/21![KLM logo]()
$655
This Delta deal was found by Cheapflights users on 3/22. 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.
Sun 4/56:55 pm
BOS
- OPO
1 stop18h 15m
Delta
Mon 4/136:30 am
OPO
- BOS
2 stops18h 05m
Delta
Deal found 3/22![Delta logo]()
$666
This oojo deal was found by Cheapflights users on 3/19. 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 7/2910:45 pm
BOS
- TER
1 stop20h 30m
TAP AIR PORTUGAL
Tue 10/137:05 am
TER
- BOS
1 stop11h 40m
TAP AIR PORTUGAL
Deal found 3/19![TAP AIR PORTUGAL logo]()
$728
This LEVEL deal was found by Cheapflights users on 3/21. 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.
Fri 5/810:50 pm
BOS
- LIS
1 stop14h 50m
LEVEL
Fri 5/159:15 pm
LIS
- BOS
1 stop28h 50m
LEVEL
Deal found 3/21![LEVEL logo]()
$736
This United Airlines deal was found by Cheapflights users on 3/19. 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 4/293:22 pm
PWM
- LIS
2 stops17h 18m
United Airlines
Wed 5/65:05 am
LIS
- PWM
2 stops23h 54m
United Airlines
Deal found 3/19![United Airlines logo]()
$759
This Icelandair deal was found by Cheapflights users on 3/22. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:50 pm
BOS
- LIS
2 stops20h 15m
Icelandair
Sat 5/97:00 am
LIS
- BOS
2 stops16h 50m
Icelandair
Deal found 3/22![Icelandair logo]()
$837
This British Airways deal was found by Cheapflights users on 3/23. 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.
Fri 5/19:50 pm
BOS
- FNC
1 stop33h 45m
British Airways
Thu 5/71:15 pm
FNC
- BOS
1 stop32h 40m
British Airways
Deal found 3/23![British Airways logo]()
$922
This Gotogate deal was found by Cheapflights users on 3/23. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/219:15 pm
BOS
- TER
1 stop13h 00m
Multiple Airlines
Tue 4/287:10 pm
TER
- BOS
1 stop28h 40m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$655
This Delta deal was found by Cheapflights users on 3/21. 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.
Sat 8/19:05 am
BOS
- OPO
1 stop20h 15m
Delta
Fri 8/215:55 am
OPO
- BOS
1 stop18h 40m
Delta
Deal found 3/21![Delta logo]()
$670
This KLM deal was found by Cheapflights users on 3/22. 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 5/136:50 pm
BOS
- FAO
1 stop19h 40m
KLM
Tue 5/198:15 pm
FAO
- BOS
1 stop21h 55m
KLM
Deal found 3/22![KLM logo]()
$685
This oojo deal was found by Cheapflights users on 3/19. 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.
Sat 9/59:15 pm
BOS
- GRW
2 stops14h 40m
Multiple Airlines
Tue 9/88:55 am
GRW
- BOS
1 stop14h 55m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$679
This United Airlines deal was found by Cheapflights users on 3/21. 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.
Thu 8/137:15 pm
BOS
- PDL
1 stop9h 05m
United Airlines
Fri 8/219:35 am
PDL
- BOS
1 stop10h 33m
United Airlines
Deal found 3/21![United Airlines logo]()
$764
This KLM deal was found by Cheapflights users on 3/23. 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 5/76:50 pm
BOS
- FAO
1 stop18h 50m
KLM
Tue 5/128:15 pm
FAO
- BOS
1 stop25h 10m
KLM
Deal found 3/23![KLM logo]()
$705
This Delta deal was found by Cheapflights users on 3/21. 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 5/111:29 pm
BOS
- OPO
2 stops16h 11m
Delta
Wed 5/2011:45 am
OPO
- BOS
2 stops16h 52m
Delta
Deal found 3/21![Delta logo]()
$726
This oojo deal was found by Cheapflights users on 3/21. 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 4/269:15 pm
BOS
- SMA
1 stop19h 25m
Multiple Airlines
Mon 5/47:25 am
SMA
- BOS
2 stops40h 25m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$682
This Cheapflightsfares deal was found by Cheapflights users on 3/21. 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 5/411:15 pm
BOS
- FNC
1 stop17h 35m
TAP AIR PORTUGAL
Sun 5/1012:40 pm
FNC
- BOS
2 stops24h 01m
TAP AIR PORTUGAL
Deal found 3/21![TAP AIR PORTUGAL logo]()
$834
This United Airlines deal was found by Cheapflights users on 3/20. 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 5/197:26 pm
BOS
- PDL
1 stop9h 14m
United Airlines
Fri 6/199:35 am
PDL
- BOS
2 stops29h 41m
United Airlines
Deal found 3/20![United Airlines logo]()
$764
This Delta deal was found by Cheapflights users on 3/21. 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.
Wed 5/67:00 pm
BOS
- OPO
1 stop15h 25m
Delta
Mon 5/115:00 am
OPO
- BOS
2 stops19h 03m
Delta
Deal found 3/21![Delta logo]()
$739
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Wed 5/139:30 am
BOS
- FAO
2 stops20h 50m
United Airlines
Tue 5/1911:40 am
FAO
- BOS
2 stops26h 45m
United Airlines
Deal found 3/24![United Airlines logo]()
$765
This TAP AIR PORTUGAL deal was found by Cheapflights users on 3/19. 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.
Sun 9/1311:00 pm
BOS
- TER
1 stop14h 05m
TAP AIR PORTUGAL
Sat 9/197:05 am
TER
- BOS
1 stop11h 40m
TAP AIR PORTUGAL
Deal found 3/19![TAP AIR PORTUGAL logo]()
$850
This oojo deal was found by Cheapflights users on 3/20. 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.
Fri 4/247:45 am
BOS
- SMA
2 stops31h 45m
Multiple Airlines
Mon 4/279:05 pm
SMA
- BOS
2 stops26h 45m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$706
This KLM deal was found by Cheapflights users on 3/21. 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.
Mon 4/272:51 pm
PWM
- LIS
1 stop12h 09m
KLM
Mon 5/410:00 am
LIS
- PWM
1 stop19h 46m
KLM
Deal found 3/21![KLM logo]()
$798
This British Airways deal was found by Cheapflights users on 3/21. 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.
Tue 7/2112:38 pm
BOS
- LIS
1 stop15h 27m
British Airways
Tue 8/1111:05 am
LIS
- BOS
1 stop11h 09m
British Airways
Deal found 3/21![British Airways logo]()
$1,011
This United Airlines deal was found by Cheapflights users on 3/19. 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 4/293:22 pm
PWM
- LIS
2 stops17h 18m
United Airlines
Mon 5/411:25 am
LIS
- PWM
2 stops27h 53m
United Airlines
Deal found 3/19![United Airlines logo]()
$774
This British Airways deal was found by Cheapflights users on 3/21. 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 4/293:02 pm
PWM
- LIS
2 stops18h 08m
Multiple Airlines
Mon 5/47:10 am
LIS
- PWM
2 stops21h 17m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$716
This oojo deal was found by Cheapflights users on 3/23. 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.
Fri 5/87:26 pm
BOS
- FNC
2 stops22h 59m
TAP AIR PORTUGAL
Fri 5/1510:45 pm
FNC
- BOS
1 stop26h 35m
TAP AIR PORTUGAL
Deal found 3/23![TAP AIR PORTUGAL logo]()
$877
This Delta deal was found by Cheapflights users on 3/21. 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.
Wed 4/292:51 pm
PWM
- LIS
2 stops19h 04m
Delta
Mon 5/410:00 am
LIS
- PWM
1 stop19h 46m
Delta
Deal found 3/21![Delta logo]()
$802
This KLM deal was found by Cheapflights users on 3/23. 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 4/292:51 pm
PWM
- LIS
2 stops18h 44m
KLM
Mon 5/410:00 am
LIS
- PWM
1 stop19h 46m
KLM
Deal found 3/23![KLM logo]()
$806
This LEVEL deal was found by Cheapflights users on 3/19. 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.
Thu 6/2510:50 pm
BOS
- LIS
1 stop17h 40m
LEVEL
Fri 7/310:10 pm
LIS
- BOS
1 stop28h 05m
LEVEL
Deal found 3/19![LEVEL logo]()
$1,074
Last-minute flights from Maine to PortugalDiscover last-minute flight deals from Maine to Portugal. Data last updated March 24, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to Portugal. Data last updated March 24, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 3/21. 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 4/88:05 pm
BOS
- FAO
1 stop14h 00m
Lufthansa
Wed 4/153:55 pm
FAO
- BOS
2 stops28h 45m
Lufthansa
Deal found 3/21![Lufthansa logo]()
$464
This Kiwi.com deal was found by Cheapflights users on 3/21. 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.
Wed 4/88:05 pm
BOS
- FAO
1 stop14h 00m
Multiple Airlines
Wed 4/157:05 pm
FAO
- BOS
1 stop25h 05m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$475
This Kiwi.com deal was found by Cheapflights users on 3/21. 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.
Thu 4/98:05 pm
BOS
- FAO
1 stop14h 00m
Lufthansa
Wed 4/223:55 pm
FAO
- BOS
1 stop30h 45m
Lufthansa
Deal found 3/21![Lufthansa logo]()
$431
This Flighttix deal was found by Cheapflights users on 3/20. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:30 am
BOS
- FAO
2 stops31h 45m
Multiple Airlines
Wed 4/223:55 pm
FAO
- BOS
1 stop30h 45m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$439
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 4/135:20 pm
BOS
- FAO
1 stop20h 00m
SWISS
Tue 4/287:05 pm
FAO
- BOS
1 stop25h 05m
SWISS
Deal found 3/23![SWISS logo]()
$488
This BusinessClass deal was found by Cheapflights users on 3/20. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:05 pm
BOS
- FAO
1 stop14h 00m
Multiple Airlines
Tue 5/1911:40 am
FAO
- BOS
1 stop11h 40m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$454
This BusinessClass deal was found by Cheapflights users on 3/20. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:05 pm
BOS
- FAO
1 stop14h 00m
Lufthansa
Tue 5/1911:40 am
FAO
- BOS
2 stops17h 19m
Lufthansa
Deal found 3/20![Lufthansa logo]()
$459
This Kiwi.com deal was found by Cheapflights users on 3/22. 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.
Tue 4/218:05 pm
BOS
- OPO
1 stop22h 20m
Multiple Airlines
Tue 4/281:30 pm
OPO
- BOS
1 stop29h 20m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$516
This FlightHub deal was found by Cheapflights users on 3/19. 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 4/2710:45 pm
BOS
- OPO
1 stop13h 15m
TAP AIR PORTUGAL
Mon 5/255:50 pm
OPO
- BOS
Nonstop7h 30m
TAP AIR PORTUGAL
Deal found 3/19![TAP AIR PORTUGAL logo]()
$459
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/2710:45 pm
BOS
- OPO
1 stop13h 15m
TAP AIR PORTUGAL
Tue 5/59:15 pm
OPO
- BOS
1 stop22h 30m
TAP AIR PORTUGAL
Deal found 3/20![TAP AIR PORTUGAL logo]()
$469
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 4/2710:45 pm
BOS
- OPO
1 stop13h 15m
TAP AIR PORTUGAL
Wed 5/276:00 pm
OPO
- BOS
Nonstop7h 20m
TAP AIR PORTUGAL
Deal found 3/19![TAP AIR PORTUGAL logo]()
$494
This FlightHub deal was found by Cheapflights users on 3/19. 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 4/2710:45 pm
BOS
- OPO
1 stop13h 15m
TAP AIR PORTUGAL
Sun 5/245:50 pm
OPO
- BOS
Nonstop7h 30m
TAP AIR PORTUGAL
Deal found 3/19![TAP AIR PORTUGAL logo]()
$507
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 March 24, 2026.
Search for one-way flight options from Maine to Portugal. Find affordable one-way fares based on user searches. Data last updated March 24, 2026.
This Booking.com deal was found by Cheapflights users on 3/20. 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.
Fri 3/2710:25 pm
BOS
- PDL
Nonstop4h 55m
Azores Airlines
Deal found 3/20![Azores Airlines logo]()
$259
This Booking.com deal was found by Cheapflights users on 3/19. 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 5/49:15 pm
BOS
- TER
Nonstop5h 05m
Azores Airlines
Deal found 3/19![Azores Airlines logo]()
$259
This Booking.com deal was found by Cheapflights users on 3/20. 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 4/279:15 pm
BOS
- PDL
1 stop12h 10m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$260
This Mytrip deal was found by Cheapflights users on 3/21. 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 4/69:15 pm
BOS
- GRW
1 stop16h 30m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$263
This Booking.com deal was found by Cheapflights users on 3/19. 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.
Sun 6/711:45 am
BOS
- PDL
Nonstop5h 05m
Azores Airlines
Deal found 3/19![Azores Airlines logo]()
$264
This Booking.com deal was found by Cheapflights users on 3/20. 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 4/69:15 pm
BOS
- PDL
1 stop12h 10m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$266
This Mytrip deal was found by Cheapflights users on 3/20. 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 3/309:15 pm
BOS
- GRW
1 stop10h 00m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$266
This Booking.com deal was found by Cheapflights users on 3/19. 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.
Fri 3/2710:25 pm
BOS
- TER
1 stop19h 20m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$268
This Booking.com deal was found by Cheapflights users on 3/19. 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 6/19:15 pm
BOS
- TER
Nonstop5h 05m
Azores Airlines
Deal found 3/19![Azores Airlines logo]()
$269
This SmartFares deal was found by Cheapflights users on 3/22. 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 4/39:15 pm
BOS
- PDL
Nonstop5h 05m
Azores Airlines
Deal found 3/22![Azores Airlines logo]()
$271
This SmartFares deal was found by Cheapflights users on 3/21. 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.
Mon 5/49:15 pm
BOS
- PDL
1 stop18h 40m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$274
This Mytrip deal was found by Cheapflights users on 3/22. 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 9/1311:45 am
BOS
- FNC
1 stop8h 25m
Azores Airlines
Deal found 3/22![Azores Airlines logo]()
$289
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 March 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $431 (Kiwi.com) |
One-way from | $259 (Booking.com) |
Popular in | December |
Cheapest in | February |
Average price | $678 |
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 March 24, 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
BostonSanta Cruz da Graciosa
BOS - GRW
BOSGRW
Boston Logan Intl
Mon 4/6
9:15 pm-11:15 am
1 stop10h 00m
Santa Cruz da Graciosa Graciosa Island
Sat 4/11
1:50 pm-7:50 pm
2 stops10h 00m
$612
BostonFaro
BOS - FAO
BOSFAO
Boston Logan Intl
Sun 4/5
6:55 pm-9:10 am
1 stop33h 15m
Faro
Mon 4/13
9:45 pm-1:13 pm
1 stop20h 28m
$655
BostonLajes
BOS - TER
BOSTER
Boston Logan Intl
Tue 4/21
9:15 pm-2:15 pm
1 stop13h 00m
Lajes
Tue 4/28
7:10 pm-7:50 pm
1 stop28h 40m
$655
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Sun 4/5
6:55 pm-6:10 pm
1 stop18h 15m
Porto
Mon 4/13
6:30 am-7:35 pm
2 stops18h 05m
$666
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Sat 8/1
9:05 am-10:20 am
1 stop20h 15m
Porto
Fri 8/21
5:55 am-7:35 pm
1 stop18h 40m
$670
BostonSanta Cruz da Graciosa
BOS - GRW
BOSGRW
Boston Logan Intl
Sat 9/5
9:15 pm-3:55 pm
2 stops14h 40m
Santa Cruz da Graciosa Graciosa Island
Tue 9/8
8:55 am-7:50 pm
1 stop14h 55m
$679
BostonVila do Porto
BOS - SMA
BOSSMA
Boston Logan Intl
Sun 4/26
9:15 pm-8:40 pm
1 stop19h 25m
Vila do Porto Santa Maria
Mon 5/4
7:25 am-7:50 pm
2 stops40h 25m
$682
BostonFaro
BOS - FAO
BOSFAO
Boston Logan Intl
Wed 5/13
6:50 pm-7:30 pm
1 stop19h 40m
Faro
Tue 5/19
8:15 pm-1:10 pm
1 stop21h 55m
$685
BostonFaro
BOS - FAO
BOSFAO
Boston Logan Intl
Thu 5/7
6:50 pm-6:40 pm
1 stop18h 50m
Faro
Tue 5/12
8:15 pm-4:25 pm
1 stop25h 10m
$705
BostonVila do Porto
BOS - SMA
BOSSMA
Boston Logan Intl
Fri 4/24
7:45 am-7:30 pm
2 stops31h 45m
Vila do Porto Santa Maria
Mon 4/27
9:05 pm-7:50 pm
2 stops26h 45m
$706
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-GRW
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 March 24, 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 March 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$550 | Average$721 | FlexibilityNo cancel fee | On-time69% |