$201+ 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LIS
Aug 22 — Aug 291
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 23, 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 23, 2026.
This Mytrip deal was found by Cheapflights users on 7/21. 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.
Tue 12/19:25 pm
BOS
- TER
1 stop12h 40m
Multiple Airlines
Tue 1/125:50 pm
TER
- BOS
Nonstop6h 10m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$456
This Mytrip deal was found by Cheapflights users on 7/21. 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.
Thu 11/199:25 pm
BOS
- TER
1 stop19h 20m
Multiple Airlines
Sat 11/285:55 pm
TER
- BOS
1 stop30h 05m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$471
This Mytrip deal was found by Cheapflights users on 7/21. 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 11/309:25 pm
BOS
- SJZ
1 stop8h 40m
Multiple Airlines
Sun 12/62:50 pm
SJZ
- BOS
2 stops33h 10m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$489
This FlightHub deal was found by Cheapflights users on 7/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:25 pm
BOS
- SMA
1 stop16h 55m
Multiple Airlines
Sat 11/283:50 pm
SMA
- BOS
1 stop8h 10m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$490
This Justfly.com deal was found by Cheapflights users on 7/22. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:25 pm
BOS
- FNC
1 stop9h 00m
Multiple Airlines
Tue 11/1011:55 am
FNC
- BOS
2 stops13h 05m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$546
This Mytrip deal was found by Cheapflights users on 7/22. 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.
Wed 12/99:25 pm
BOS
- TER
1 stop7h 10m
Multiple Airlines
Tue 1/55:50 pm
TER
- BOS
Nonstop6h 10m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$565
This oojo deal was found by Cheapflights users on 7/19. 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.
Tue 9/2910:45 pm
BOS
- FAO
1 stop20h 05m
TAP AIR PORTUGAL
Wed 10/76:10 pm
FAO
- BOS
1 stop25h 35m
TAP AIR PORTUGAL
Deal found 7/19![TAP AIR PORTUGAL logo]()
$569
This oojo deal was found by Cheapflights users on 7/19. 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 10/317:00 pm
BOS
- FAO
1 stop24h 50m
TAP AIR PORTUGAL
Sun 11/86:05 am
FAO
- BOS
1 stop13h 35m
TAP AIR PORTUGAL
Deal found 7/19![TAP AIR PORTUGAL logo]()
$570
This Gotogate deal was found by Cheapflights users on 7/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/59:25 pm
BOS
- FNC
1 stop9h 00m
Azores Airlines
Sat 12/1211:55 am
FNC
- BOS
1 stop13h 05m
Azores Airlines
Deal found 7/20![Azores Airlines logo]()
$573
This Gotogate deal was found by Cheapflights users on 7/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:25 pm
BOS
- FNC
1 stop9h 00m
Azores Airlines
Sat 11/1411:55 am
FNC
- BOS
1 stop13h 05m
Azores Airlines
Deal found 7/21![Azores Airlines logo]()
$578
This Gotogate deal was found by Cheapflights users on 7/22. 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.
Thu 11/129:25 pm
BOS
- FNC
1 stop9h 00m
Azores Airlines
Fri 11/2012:05 pm
FNC
- BOS
1 stop12h 55m
Azores Airlines
Deal found 7/22![Azores Airlines logo]()
$580
This oojo deal was found by Cheapflights users on 7/19. 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.
Sun 9/611:00 pm
BOS
- FNC
1 stop10h 15m
TAP AIR PORTUGAL
Sun 9/1311:40 pm
FNC
- BOS
1 stop25h 40m
TAP AIR PORTUGAL
Deal found 7/19![TAP AIR PORTUGAL logo]()
$582
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 23, 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 23, 2026.
This oojo deal was found by Cheapflights users on 7/18. 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 10/711:15 pm
BOS
- FNC
1 stop17h 35m
TAP AIR PORTUGAL
Sun 10/118:45 am
FNC
- BOS
1 stop16h 35m
TAP AIR PORTUGAL
Deal found 7/18![TAP AIR PORTUGAL logo]()
$582
This United Airlines deal was found by Cheapflights users on 7/19. 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.
Tue 1/128:30 am
BOS
- OPO
3 stops22h 15m
United Airlines
Mon 1/1812:35 pm
OPO
- BOS
2 stops36h 45m
United Airlines
Deal found 7/19![United Airlines logo]()
$708
This SWISS deal was found by Cheapflights users on 7/21. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/199:50 pm
BOS
- FAO
1 stop11h 35m
SWISS
Thu 4/16:30 pm
FAO
- BOS
1 stop30h 25m
SWISS
Deal found 7/21![SWISS logo]()
$718
This British Airways deal was found by Cheapflights users on 7/23. 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.
Sat 10/177:35 pm
BOS
- LIS
1 stop17h 30m
British Airways
Sat 11/2112:55 pm
LIS
- BOS
1 stop11h 45m
British Airways
Deal found 7/23![British Airways logo]()
$732
This Delta deal was found by Cheapflights users on 7/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:10 pm
BOS
- LIS
1 stop10h 40m
Delta
Sat 11/145:00 am
LIS
- BOS
1 stop13h 25m
Delta
Deal found 7/23![Delta logo]()
$767
This FlightHub deal was found by Cheapflights users on 7/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/269:25 pm
BOS
- HOR
2 stops32h 00m
Multiple Airlines
Tue 1/510:20 am
HOR
- BOS
2 stops37h 40m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$774
This Scandinavian Airlines deal was found by Cheapflights users on 7/21. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:40 pm
BOS
- FAO
2 stops20h 05m
Scandinavian Airlines
Sat 10/107:35 pm
FAO
- BOS
2 stops25h 00m
Scandinavian Airlines
Deal found 7/21![Scandinavian Airlines logo]()
$779
This KLM deal was found by Cheapflights users on 7/22. 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.
Thu 1/74:40 pm
BOS
- FAO
2 stops16h 10m
KLM
Thu 1/142:40 pm
FAO
- BOS
2 stops29h 42m
KLM
Deal found 7/22![KLM logo]()
$783
This Air Transat deal was found by Cheapflights users on 7/19. 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 Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3110:05 am
BOS
- LIS
1 stop18h 30m
Air Transat
Wed 9/28:15 am
LIS
- BOS
1 stop17h 40m
Air Transat
Deal found 7/19![Air Transat logo]()
$816
This Turkish Airlines deal was found by Cheapflights users on 7/21. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:50 pm
BOS
- LIS
1 stop36h 45m
Turkish Airlines
Fri 9/184:45 pm
LIS
- BOS
1 stop32h 10m
Turkish Airlines
Deal found 7/21![Turkish Airlines logo]()
$861
This FlightHub deal was found by Cheapflights users on 7/19. 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.
Sat 11/2110:10 pm
BOS
- TER
2 stops35h 55m
TAP AIR PORTUGAL
Sun 11/292:05 pm
TER
- BOS
2 stops52h 35m
TAP AIR PORTUGAL
Deal found 7/19![TAP AIR PORTUGAL logo]()
$668
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Sun 8/237:05 am
BOS
- PDL
2 stops21h 35m
United Airlines
Wed 9/211:00 am
PDL
- BOS
2 stops12h 19m
United Airlines
Deal found 7/21![United Airlines logo]()
$766
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/21. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:05 pm
BOS
- OPO
1 stop21h 20m
TAP AIR PORTUGAL
Mon 10/125:50 pm
OPO
- BOS
Nonstop7h 30m
TAP AIR PORTUGAL
Deal found 7/21![TAP AIR PORTUGAL logo]()
$699
This Delta deal was found by Cheapflights users on 7/18. 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 8/3111:20 pm
BOS
- LIS
Nonstop6h 25m
Delta
Mon 9/711:55 am
LIS
- BOS
1 stop30h 24m
Delta
Deal found 7/18![Delta logo]()
$769
This Gotogate deal was found by Cheapflights users on 7/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/119:15 pm
BOS
- HOR
1 stop8h 35m
Multiple Airlines
Sat 10/177:30 pm
HOR
- BOS
1 stop28h 20m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$774
This KLM deal was found by Cheapflights users on 7/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:25 pm
BOS
- FNC
1 stop32h 10m
KLM
Sun 9/136:40 pm
FNC
- BOS
1 stop23h 39m
KLM
Deal found 7/19![KLM logo]()
$804
This SWISS deal was found by Cheapflights users on 7/21. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/199:50 pm
BOS
- FAO
1 stop11h 35m
SWISS
Fri 4/27:00 pm
FAO
- BOS
1 stop29h 55m
SWISS
Deal found 7/21![SWISS logo]()
$808
This Delta deal was found by Cheapflights users on 7/18. 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 8/2611:20 pm
BOS
- LIS
Nonstop6h 25m
Delta
Sat 9/55:00 am
LIS
- BOS
1 stop13h 19m
Delta
Deal found 7/18![Delta logo]()
$773
This Gotogate deal was found by Cheapflights users on 7/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/219:25 pm
BOS
- HOR
1 stop15h 50m
Multiple Airlines
Sat 1/212:50 pm
HOR
- BOS
1 stop11h 10m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$777
This United Airlines deal was found by Cheapflights users on 7/19. 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.
Fri 10/167:38 am
BOS
- OPO
2 stops18h 32m
United Airlines
Wed 10/2111:20 am
OPO
- BOS
2 stops29h 04m
United Airlines
Deal found 7/19![United Airlines logo]()
$798
This oojo deal was found by Cheapflights users on 7/20. 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.
Tue 8/186:05 pm
BOS
- TER
1 stop25h 10m
TAP AIR PORTUGAL
Mon 8/317:05 am
TER
- BOS
1 stop17h 15m
TAP AIR PORTUGAL
Deal found 7/20![TAP AIR PORTUGAL logo]()
$728
This KLM deal was found by Cheapflights users on 7/22. 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.
Tue 11/173:34 pm
BOS
- FAO
2 stops17h 16m
KLM
Fri 11/272:40 pm
FAO
- BOS
1 stop27h 45m
KLM
Deal found 7/22![KLM logo]()
$818
This Delta deal was found by Cheapflights users on 7/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:25 pm
BOS
- LIS
Nonstop6h 20m
Delta
Tue 10/275:00 am
LIS
- BOS
1 stop13h 25m
Delta
Deal found 7/23![Delta logo]()
$778
This Booking.com deal was found by Cheapflights users on 7/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:05 pm
BOS
- TER
1 stop14h 45m
TAP AIR PORTUGAL
Fri 9/117:10 am
TER
- BOS
1 stop17h 10m
TAP AIR PORTUGAL
Deal found 7/22![TAP AIR PORTUGAL logo]()
$734
This KLM deal was found by Cheapflights users on 7/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/34:45 pm
BOS
- FNC
1 stop12h 35m
KLM
Sun 8/96:35 pm
FNC
- BOS
1 stop23h 43m
KLM
Deal found 7/19![KLM logo]()
$819
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Tue 9/812:37 pm
BOS
- FNC
2 stops14h 28m
United Airlines
Wed 9/169:40 am
FNC
- BOS
2 stops14h 39m
United Airlines
Deal found 7/21![United Airlines logo]()
$819
This Mytrip deal was found by Cheapflights users on 7/18. 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 10/78:50 pm
BOS
- FNC
3 stops30h 30m
Multiple Airlines
Sun 10/1111:40 pm
FNC
- BOS
1 stop25h 40m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$822
This Delta deal was found by Cheapflights users on 7/18. 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 8/179:45 pm
BOS
- LIS
1 stop12h 10m
Delta
Fri 8/2810:00 am
LIS
- BOS
1 stop14h 15m
Delta
Deal found 7/18![Delta logo]()
$787
This United Airlines deal was found by Cheapflights users on 7/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/92:35 pm
BOS
- OPO
2 stops13h 55m
United Airlines
Fri 11/1312:35 pm
OPO
- BOS
2 stops16h 05m
United Airlines
Deal found 7/22![United Airlines logo]()
$830
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/20. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/164:00 pm
BOS
- PDL
2 stops22h 35m
TAP AIR PORTUGAL
Fri 11/206:30 am
PDL
- BOS
1 stop12h 10m
TAP AIR PORTUGAL
Deal found 7/20![TAP AIR PORTUGAL logo]()
$762
Last-minute flights from Maine to PortugalDiscover last-minute flight deals from Maine to Portugal. Data last updated July 23, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to Portugal. Data last updated July 23, 2026 and is based on user searches.
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/22. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1710:45 pm
BOS
- OPO
1 stop16h 40m
TAP AIR PORTUGAL
Mon 9/215:50 pm
OPO
- BOS
Nonstop7h 30m
TAP AIR PORTUGAL
Deal found 7/22![TAP AIR PORTUGAL logo]()
$676
This oojo deal was found by Cheapflights users on 7/21. 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.
Fri 8/2110:45 pm
BOS
- TER
1 stop20h 30m
TAP AIR PORTUGAL
Wed 9/91:40 pm
TER
- BOS
1 stop29h 05m
TAP AIR PORTUGAL
Deal found 7/21![TAP AIR PORTUGAL logo]()
$635
This oojo deal was found by Cheapflights users on 7/21. 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 8/2311:00 pm
BOS
- TER
1 stop14h 05m
TAP AIR PORTUGAL
Wed 9/97:15 am
TER
- BOS
1 stop17h 05m
TAP AIR PORTUGAL
Deal found 7/21![TAP AIR PORTUGAL logo]()
$607
This LEVEL deal was found by Cheapflights users on 7/22. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2311:35 pm
BOS
- OPO
1 stop16h 45m
LEVEL
Sun 9/68:35 am
OPO
- BOS
1 stop18h 10m
LEVEL
Deal found 7/22![LEVEL logo]()
$685
This oojo deal was found by Cheapflights users on 7/20. 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.
Mon 8/246:05 pm
BOS
- FAO
1 stop11h 20m
TAP AIR PORTUGAL
Wed 9/96:10 pm
FAO
- BOS
1 stop25h 35m
TAP AIR PORTUGAL
Deal found 7/20![TAP AIR PORTUGAL logo]()
$577
This Mytrip deal was found by Cheapflights users on 7/20. 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 8/248:50 pm
BOS
- FAO
2 stops17h 25m
Multiple Airlines
Wed 9/98:05 pm
FAO
- BOS
3 stops31h 35m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$681
This oojo deal was found by Cheapflights users on 7/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:05 pm
BOS
- OPO
1 stop9h 55m
TAP AIR PORTUGAL
Mon 8/319:15 pm
OPO
- BOS
1 stop28h 05m
TAP AIR PORTUGAL
Deal found 7/22![TAP AIR PORTUGAL logo]()
$686
This Cheapflightsfares deal was found by Cheapflights users on 7/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:45 pm
BOS
- OPO
1 stop19h 25m
TAP AIR PORTUGAL
Tue 10/275:50 pm
OPO
- BOS
Nonstop7h 55m
TAP AIR PORTUGAL
Deal found 7/20![TAP AIR PORTUGAL logo]()
$687
This Kissandfly.com deal was found by Cheapflights users on 7/23. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:15 pm
BOS
- FNC
1 stop17h 35m
TAP AIR PORTUGAL
Sun 9/1311:40 pm
FNC
- BOS
1 stop25h 40m
TAP AIR PORTUGAL
Deal found 7/23![TAP AIR PORTUGAL logo]()
$590
This Mytrip deal was found by Cheapflights users on 7/22. 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.
Mon 8/318:50 pm
BOS
- OPO
2 stops21h 40m
Multiple Airlines
Fri 9/118:55 pm
OPO
- BOS
3 stops30h 45m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$675
This Justfly.com deal was found by Cheapflights users on 7/21. 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 Justfly.com 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
Mon 9/710:30 pm
OPO
- BOS
1 stop26h 50m
TAP AIR PORTUGAL
Deal found 7/21![TAP AIR PORTUGAL logo]()
$681
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/318:50 pm
BOS
- OPO
2 stops21h 40m
Multiple Airlines
Tue 10/272:10 pm
OPO
- BOS
1 stop10h 50m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$682
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 23, 2026.
Search for one-way flight options from Maine to Portugal. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Sun 10/1811:35 pm
BOS
- OPO
1 stop27h 25m
LEVEL
Deal found 7/20![LEVEL logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Wed 10/2110:55 pm
BOS
- OPO
1 stop17h 25m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Sun 10/1811:35 pm
BOS
- OPO
2 stops33h 50m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$213
This Mytrip deal was found by Cheapflights users on 7/20. 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.
Sun 1/109:25 pm
BOS
- FNC
1 stop9h 00m
Azores Airlines
Deal found 7/20![Azores Airlines logo]()
$242
This Mytrip deal was found by Cheapflights users on 7/21. 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.
Sat 10/3110:25 pm
BOS
- OPO
1 stop11h 25m
Azores Airlines
Deal found 7/21![Azores Airlines logo]()
$244
This KAYAK deal was found by Cheapflights users on 7/21. 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.
Fri 11/69:25 pm
BOS
- OPO
1 stop9h 25m
Azores Airlines
Deal found 7/21![Azores Airlines logo]()
$249
This KAYAK deal was found by Cheapflights users on 7/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/209:25 pm
BOS
- OPO
1 stop18h 40m
Azores Airlines
Deal found 7/22![Azores Airlines logo]()
$251
This oojo deal was found by Cheapflights users on 7/22. 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 oojo 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 7/22![TAP AIR PORTUGAL logo]()
$252
This oojo deal was found by Cheapflights users on 7/21. 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.
Wed 11/46:00 pm
BOS
- PDL
1 stop10h 20m
TAP AIR PORTUGAL
Deal found 7/21![TAP AIR PORTUGAL logo]()
$254
This oojo deal was found by Cheapflights users on 7/21. 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.
Tue 8/2510:45 pm
BOS
- PDL
1 stop10h 30m
TAP AIR PORTUGAL
Deal found 7/21![TAP AIR PORTUGAL logo]()
$256
This oojo deal was found by Cheapflights users on 7/23. 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.
Tue 8/1110:45 pm
BOS
- PDL
1 stop21h 00m
TAP AIR PORTUGAL
Deal found 7/23![TAP AIR PORTUGAL logo]()
$258
This Mytrip deal was found by Cheapflights users on 7/21. 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.
Tue 8/1810:45 pm
BOS
- PDL
1 stop31h 00m
TAP AIR PORTUGAL
Deal found 7/21![TAP AIR PORTUGAL logo]()
$262
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 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $456 (Mytrip) |
One-way from | $201 (Kiwi.com) |
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 23, 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
BostonFunchal
BOS - FNC
BOSFNC
Boston Logan Intl
Wed 10/7
11:15 pm-9:50 pm
1 stop17h 35m
Funchal Madeira
Sun 10/11
8:45 am-8:20 pm
1 stop16h 35m
$582
BostonLajes
BOS - TER
BOSTER
Boston Logan Intl
Sat 11/21
10:10 pm-2:05 pm
2 stops35h 55m
Lajes
Sun 11/29
2:05 pm-2:40 pm
2 stops52h 35m
$668
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Tue 10/6
6:05 pm-8:25 pm
1 stop21h 20m
Porto
Mon 10/12
5:50 pm-8:20 pm
Nonstop7h 30m
$699
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Tue 1/12
8:30 am-11:45 am
3 stops22h 15m
Porto
Mon 1/18
12:35 pm-8:20 pm
2 stops36h 45m
$708
BostonFaro
BOS - FAO
BOSFAO
Boston Logan Intl
Tue 1/19
9:50 pm-2:25 pm
1 stop11h 35m
Faro
Thu 4/1
6:30 pm-7:55 pm
1 stop30h 25m
$718
BostonLajes
BOS - TER
BOSTER
Boston Logan Intl
Tue 8/18
6:05 pm-11:15 pm
1 stop25h 10m
Lajes
Mon 8/31
7:05 am-8:20 pm
1 stop17h 15m
$728
BostonLisbon
BOS - LIS
BOSLIS
Boston Logan Intl
Sat 10/17
7:35 pm-6:05 pm
1 stop17h 30m
Lisbon Humberto Delgado
Sat 11/21
12:55 pm-7:40 pm
1 stop11h 45m
$732
BostonLajes
BOS - TER
BOSTER
Boston Logan Intl
Sun 9/6
6:05 pm-12:50 pm
1 stop14h 45m
Lajes
Fri 9/11
7:10 am-8:20 pm
1 stop17h 10m
$734
BostonPonta Delgada
BOS - PDL
BOSPDL
Boston Logan Intl
Mon 11/16
4:00 pm-6:35 pm
2 stops22h 35m
Ponta Delgada Nordela
Fri 11/20
6:30 am-2:40 pm
1 stop12h 10m
$762
BostonPonta Delgada
BOS - PDL
BOSPDL
Boston Logan Intl
Sun 8/23
7:05 am-8:40 am
2 stops21h 35m
Ponta Delgada Nordela
Wed 9/2
11:00 am-7:19 pm
2 stops12h 19m
$766
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-TER
BOS-SJZ
BOS-SMA
BOS-FNC
BOS-FAO
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-TER
BOS-SJZ
BOS-SMA
BOS-FNC
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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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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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 23, 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 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$550 | Average$707 | FlexibilityNo cancel fee | On-time69% |