$242+ 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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LIS
Sep 20 — Sep 271
Round-trip
1 adult, Economy
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Find cheap flights from Maine to Portugal with Cheapflights
1. Tell us where you want to go
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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 August 21, 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 August 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Sun 9/2711:45 am -
1 stop8h 25m
Thu 10/86:05 am -
1 stop17h 45m
Deal found 8/21![Multiple Airlines logo]()
$575
This FlightHub deal was found by Cheapflights users on 8/16. 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 12/76:00 pm -
1 stop13h 00m
Mon 12/1412:35 pm -
1 stop30h 05m
Deal found 8/16![TAP AIR PORTUGAL logo]()
$618
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:05 pm -
1 stop15h 55m
Tue 10/65:05 am -
1 stop20h 15m
Deal found 8/18![TAP AIR PORTUGAL logo]()
$631
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:05 pm -
1 stop17h 55m
Mon 10/511:50 pm -
1 stop25h 30m
Deal found 8/18![TAP AIR PORTUGAL logo]()
$632
This Booking.com deal was found by Cheapflights users on 8/17. 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.
Thu 11/125:45 am -
1 stop22h 35m
Sun 11/1510:40 am -
1 stop28h 18m
Deal found 8/17![Multiple Airlines logo]()
$634
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2610:45 pm -
1 stop16h 40m
Wed 10/1410:30 pm -
1 stop21h 15m
Deal found 8/18![TAP AIR PORTUGAL logo]()
$634
This Justfly.com deal was found by Cheapflights users on 8/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:50 pm -
1 stop12h 00m
Thu 11/192:00 pm -
1 stop32h 50m
Deal found 8/19![Icelandair logo]()
$635
This Booking.com deal was found by Cheapflights users on 8/20. 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.
Sat 10/310:45 pm -
1 stop16h 40m
Mon 10/195:50 pm -
Nonstop7h 30m
Deal found 8/20![TAP AIR PORTUGAL logo]()
$635
This Vliegwinkel deal was found by Cheapflights users on 8/20. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:05 pm -
Nonstop6h 35m
Thu 10/225:40 pm -
Nonstop7h 40m
Deal found 8/20![TAP AIR PORTUGAL logo]()
$636
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/410:40 pm -
1 stop11h 20m
Thu 10/2211:00 am -
1 stop14h 20m
Deal found 8/18![TAP AIR PORTUGAL logo]()
$636
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 10/1210:45 pm -
Nonstop6h 35m
Mon 10/1911:00 pm -
3 stops51h 05m
Deal found 8/17![Multiple Airlines logo]()
$637
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Sat 10/35:40 pm -
1 stop10h 30m
Wed 10/218:35 am -
1 stop17h 30m
Deal found 8/19![Multiple Airlines logo]()
$637
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 August 21, 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 August 21, 2026.
This Gotogate deal was found by Cheapflights users on 8/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:25 pm -
1 stop8h 35m
Tue 1/1212:50 pm -
1 stop11h 10m
Deal found 8/18![Multiple Airlines logo]()
$656
This United Airlines deal was found by Cheapflights users on 8/16. 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 1/276:00 am -
1 stop21h 10m
Tue 2/211:20 am -
1 stop32h 33m
Deal found 8/16![United Airlines logo]()
$659
This Delta deal was found by Cheapflights users on 8/16. 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 11/161:35 pm -
1 stop13h 25m
Tue 11/2411:15 am -
Nonstop7h 44m
Deal found 8/16![Delta logo]()
$668
This FlightHub deal was found by Cheapflights users on 8/21. 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.
Fri 10/236:05 pm -
1 stop14h 45m
Fri 10/3011:50 am -
1 stop12h 05m
Deal found 8/21![TAP AIR PORTUGAL logo]()
$682
This KLM deal was found by Cheapflights users on 8/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:40 pm -
Nonstop6h 20m
Sun 11/111:15 am -
Nonstop7h 44m
Deal found 8/18![KLM logo]()
$694
This Scandinavian Airlines deal was found by Cheapflights users on 8/19. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/145:35 pm -
2 stops39h 10m
Tue 1/193:00 pm -
1 stop29h 40m
Deal found 8/19![Scandinavian Airlines logo]()
$716
This SWISS deal was found by Cheapflights users on 8/20. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/199:50 pm -
1 stop11h 35m
Thu 4/16:30 pm -
1 stop30h 25m
Deal found 8/20![SWISS logo]()
$718
This Air Canada deal was found by Cheapflights users on 8/17. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:50 am -
2 stops23h 50m
Fri 11/2011:20 am -
2 stops41h 01m
Deal found 8/17![Air Canada logo]()
$773
This Gotogate deal was found by Cheapflights users on 8/16. 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 8/249:15 pm -
Nonstop5h 05m
Tue 9/16:05 pm -
Nonstop5h 45m
Deal found 8/16![Azores Airlines logo]()
$790
This British Airways deal was found by Cheapflights users on 8/16. 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 2/49:25 pm -
1 stop15h 55m
Mon 2/86:25 pm -
1 stop30h 15m
Deal found 8/16![British Airways logo]()
$869
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Sun 11/85:30 am -
2 stops23h 00m
Tue 11/2412:35 pm -
2 stops17h 11m
Deal found 8/20![United Airlines logo]()
$660
This Delta deal was found by Cheapflights users on 8/21. 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 11/49:10 am -
1 stop18h 05m
Wed 11/115:55 am -
2 stops17h 59m
Deal found 8/21![Delta logo]()
$670
This FlightHub deal was found by Cheapflights users on 8/16. 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 10/2610:25 pm -
1 stop11h 00m
Mon 12/145:55 pm -
1 stop30h 05m
Deal found 8/16![Multiple Airlines logo]()
$674
This KLM deal was found by Cheapflights users on 8/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/312:50 pm -
2 stops16h 40m
Thu 1/1411:30 am -
2 stops17h 19m
Deal found 8/18![KLM logo]()
$725
This United Airlines deal was found by Cheapflights users on 8/21. 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.
Wed 12/22:36 pm -
2 stops13h 54m
Wed 12/1612:35 pm -
2 stops16h 14m
Deal found 8/21![United Airlines logo]()
$660
This FlightHub deal was found by Cheapflights users on 8/17. 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 -
1 stop11h 00m
Mon 1/115:55 pm -
1 stop30h 05m
Deal found 8/17![Multiple Airlines logo]()
$674
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/20. 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.
Thu 10/156:05 pm -
1 stop14h 35m
Thu 10/2210:45 am -
2 stops17h 09m
Deal found 8/20![TAP AIR PORTUGAL logo]()
$761
This United Airlines deal was found by Cheapflights users on 8/19. 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 10/289:30 am -
2 stops20h 00m
Fri 11/66:00 am -
1 stop12h 45m
Deal found 8/19![United Airlines logo]()
$667
This Delta deal was found by Cheapflights users on 8/16. 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 8/318:25 pm -
1 stop17h 20m
Wed 9/1610:00 am -
1 stop18h 10m
Deal found 8/16![Delta logo]()
$735
This KLM deal was found by Cheapflights users on 8/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/208:55 pm -
1 stop11h 55m
Wed 3/318:10 am -
1 stop15h 10m
Deal found 8/18![KLM logo]()
$735
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/18. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:10 pm -
1 stop21h 35m
Mon 11/99:30 am -
2 stops26h 22m
Deal found 8/18![TAP AIR PORTUGAL logo]()
$761
This FlightHub deal was found by Cheapflights users on 8/16. 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 10/2510:25 pm -
1 stop10h 15m
Sat 10/319:50 am -
2 stops38h 10m
Deal found 8/16![Multiple Airlines logo]()
$698
This British Airways deal was found by Cheapflights users on 8/16. 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 10/107:25 am -
1 stop28h 30m
Sat 10/248:00 pm -
1 stop31h 50m
Deal found 8/16![British Airways logo]()
$884
This Delta deal was found by Cheapflights users on 8/16. 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 9/17:00 pm -
1 stop10h 55m
Tue 9/85:00 am -
1 stop13h 19m
Deal found 8/16![Delta logo]()
$736
This SWISS deal was found by Cheapflights users on 8/17. 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 10/45:10 pm -
2 stops15h 35m
Sun 12/277:20 pm -
1 stop30h 00m
Deal found 8/17![SWISS logo]()
$894
This United Airlines deal was found by Cheapflights users on 8/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/172:40 pm -
2 stops12h 30m
Sun 11/2210:40 am -
1 stop13h 22m
Deal found 8/18![United Airlines logo]()
$676
This KLM deal was found by Cheapflights users on 8/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/194:40 pm -
2 stops16h 10m
Thu 4/18:30 am -
1 stop13h 10m
Deal found 8/20![KLM logo]()
$744
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/21. 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.
Mon 11/161:00 pm -
2 stops39h 20m
Mon 11/237:25 pm -
1 stop23h 15m
Deal found 8/21![TAP AIR PORTUGAL logo]()
$762
This Finnair deal was found by Cheapflights users on 8/19. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/298:00 pm -
1 stop19h 00m
Sun 1/1712:25 pm -
2 stops15h 31m
Deal found 8/19![Multiple Airlines logo]()
$718
This KLM deal was found by Cheapflights users on 8/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/228:55 pm -
1 stop31h 25m
Wed 2/1010:25 am -
1 stop13h 36m
Deal found 8/20![KLM logo]()
$747
Last-minute flights from Maine to PortugalDiscover last-minute flight deals from Maine to Portugal. Data last updated August 21, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to Portugal. Data last updated August 21, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 9/710:45 pm -
Nonstop6h 35m
Mon 9/1411:00 pm -
2 stops24h 50m
Deal found 8/20![Multiple Airlines logo]()
$640
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Sun 9/206:05 pm -
Nonstop6h 35m
Mon 9/286:40 am -
1 stop13h 15m
Deal found 8/21![Multiple Airlines logo]()
$639
This Justfly.com deal was found by Cheapflights users on 8/17. 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.
Sun 9/2010:40 pm -
1 stop19h 20m
Mon 9/2810:30 pm -
1 stop26h 50m
Deal found 8/17![TAP AIR PORTUGAL logo]()
$641
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2011:35 pm -
1 stop26h 35m
Thu 10/17:15 am -
1 stop18h 50m
Deal found 8/18![Multiple Airlines logo]()
$642
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Thu 9/246:05 pm -
1 stop23h 55m
Thu 10/159:00 am -
1 stop10h 45m
Deal found 8/19![TAP AIR PORTUGAL logo]()
$636
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2610:45 pm -
1 stop16h 40m
Wed 10/1410:30 pm -
1 stop21h 15m
Deal found 8/18![TAP AIR PORTUGAL logo]()
$634
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Sun 9/2711:45 am -
1 stop8h 25m
Thu 10/86:05 am -
1 stop17h 45m
Deal found 8/21![Multiple Airlines logo]()
$575
This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2710:40 pm -
Nonstop6h 35m
Thu 10/155:40 pm -
Nonstop7h 40m
Deal found 8/18![TAP AIR PORTUGAL logo]()
$642
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:05 pm -
1 stop15h 55m
Tue 10/65:05 am -
1 stop20h 15m
Deal found 8/18![TAP AIR PORTUGAL logo]()
$631
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:05 pm -
1 stop17h 55m
Mon 10/511:50 pm -
1 stop25h 30m
Deal found 8/18![TAP AIR PORTUGAL logo]()
$632
This Booking.com deal was found by Cheapflights users on 8/20. 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 9/286:05 pm -
Nonstop6h 35m
Thu 10/155:40 pm -
Nonstop7h 40m
Deal found 8/20![TAP AIR PORTUGAL logo]()
$638
This FlightHub deal was found by Cheapflights users on 8/19. 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.
Wed 9/3010:45 pm -
1 stop19h 25m
Mon 10/1910:30 pm -
1 stop26h 50m
Deal found 8/19![TAP AIR PORTUGAL logo]()
$640
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 August 21, 2026.
Search for one-way flight options from Maine to Portugal. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
This SmartFares deal was found by Cheapflights users on 8/20. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1210:45 pm -
1 stop12h 00m
Deal found 8/20![TAP AIR PORTUGAL logo]()
$242
This SmartFares deal was found by Cheapflights users on 8/17. 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.
Tue 11/36:00 pm -
1 stop10h 20m
Deal found 8/17![TAP AIR PORTUGAL logo]()
$253
This Mytrip deal was found by Cheapflights users on 8/17. 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 8/2510:45 pm -
1 stop15h 55m
Deal found 8/17![TAP AIR PORTUGAL logo]()
$259
This Booking.com deal was found by Cheapflights users on 8/19. 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 8/2410:45 pm -
1 stop21h 00m
Deal found 8/19![TAP AIR PORTUGAL logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 -
2 stops34h 20m
Deal found 8/16![Multiple Airlines logo]()
$262
This FlightHub deal was found by Cheapflights users on 8/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:45 pm -
1 stop15h 55m
Deal found 8/20![JetBlue logo]()
$267
This Booking.com deal was found by Cheapflights users on 8/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:00 pm -
1 stop10h 20m
Deal found 8/18![TAP AIR PORTUGAL logo]()
$277
This Booking.com deal was found by Cheapflights users on 8/20. 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.
Sat 10/176:05 pm -
1 stop20h 45m
Deal found 8/20![TAP AIR PORTUGAL logo]()
$278
This Booking.com deal was found by Cheapflights users on 8/20. 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 10/236:05 pm -
1 stop25h 40m
Deal found 8/20![TAP AIR PORTUGAL logo]()
$281
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:10 pm -
1 stop21h 35m
Deal found 8/18![TAP AIR PORTUGAL logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Sun 11/157:50 pm -
3 stops35h 45m
Deal found 8/19![Multiple Airlines logo]()
$297
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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.
Fri 8/286:05 pm -
1 stop14h 45m
Deal found 8/17![TAP AIR PORTUGAL logo]()
$302
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 August 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $575 (Kiwi.com) |
One-way from | $242 (SmartFares) |
Popular in | December |
Cheapest in | February |
Average price | $1,116 |
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 7,457,451 searches. Data last updated August 21, 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
BostonPico Island
BOS Boston Logan Intl - PIX Pico Island
BOSPIX
Boston Logan Intl
Tue 11/10
9:25 pm-10:00 am
1 stop8h 35m
Pico Island
Tue 1/12
12:50 pm-8:00 pm
1 stop11h 10m
$656
BostonLisbon
BOS Boston Logan Intl - LIS Lisbon Humberto Delgado
BOSLIS
Boston Logan Intl
Wed 1/27
6:00 am-8:10 am
1 stop21h 10m
Lisbon Humberto Delgado
Tue 2/2
11:20 am-2:53 pm
1 stop32h 33m
$659
BostonPorto
BOS Boston Logan Intl - OPO Porto
BOSOPO
Boston Logan Intl
Sun 11/8
5:30 am-9:30 am
2 stops23h 00m
Porto
Tue 11/24
12:35 pm-12:46 am
2 stops17h 11m
$660
BostonPorto
BOS Boston Logan Intl - OPO Porto
BOSOPO
Boston Logan Intl
Wed 12/2
2:36 pm-9:30 am
2 stops13h 54m
Porto
Wed 12/16
12:35 pm-11:49 pm
2 stops16h 14m
$660
BostonPorto
BOS Boston Logan Intl - OPO Porto
BOSOPO
Boston Logan Intl
Wed 10/28
9:30 am-9:30 am
2 stops20h 00m
Porto
Fri 11/6
6:00 am-1:45 pm
1 stop12h 45m
$667
BostonLisbon
BOS Boston Logan Intl - LIS Lisbon Humberto Delgado
BOSLIS
Boston Logan Intl
Mon 11/16
1:35 pm-8:00 am
1 stop13h 25m
Lisbon Humberto Delgado
Tue 11/24
11:15 am-1:59 pm
Nonstop7h 44m
$668
BostonPorto
BOS Boston Logan Intl - OPO Porto
BOSOPO
Boston Logan Intl
Wed 11/4
9:10 am-8:15 am
1 stop18h 05m
Porto
Wed 11/11
5:55 am-6:54 pm
2 stops17h 59m
$670
BostonPico Island
BOS Boston Logan Intl - PIX Pico Island
BOSPIX
Boston Logan Intl
Mon 10/26
10:25 pm-12:25 pm
1 stop11h 00m
Pico Island
Mon 12/14
5:55 pm-8:00 pm
1 stop30h 05m
$674
BostonPico Island
BOS Boston Logan Intl - PIX Pico Island
BOSPIX
Boston Logan Intl
Mon 11/2
9:25 pm-12:25 pm
1 stop11h 00m
Pico Island
Mon 1/11
5:55 pm-8:00 pm
1 stop30h 05m
$674
BostonLisbon
BOS Boston Logan Intl - LIS Lisbon Humberto Delgado
BOSLIS
Boston Logan Intl
Tue 11/17
2:40 pm-8:10 am
2 stops12h 30m
Lisbon Humberto Delgado
Sun 11/22
10:40 am-7:02 pm
1 stop13h 22m
$676
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-FAO
BOS-PDL
BOS-LIS
PWM-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-TER
BOS-FAO
BOS-PDL
BOS-LIS
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 August 21, 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 7,457,451 searches. Data last updated August 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$550 | Average$679 | FlexibilityNo cancel fee | On-time69% |