$206+ 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
Sep 28 — Oct 51
Round-trip
1 adult, Economy
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Find cheap flights from Maine to Portugal with Cheapflights
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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 29, 2026.
Explore the most affordable flight options available from Maine to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 29, 2026.
This Booking.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/219:25 pm -
1 stop19h 20m
Tue 11/245:50 pm -
Nonstop6h 10m
Deal found 8/27![Multiple Airlines logo]()
$568
This Mytrip deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/149:25 pm -
1 stop8h 10m
Fri 11/203:00 pm -
1 stop9h 00m
Deal found 8/28![Multiple Airlines logo]()
$579
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:25 pm -
1 stop23h 05m
Thu 10/229:40 am -
1 stop16h 25m
Deal found 8/24![Multiple Airlines logo]()
$603
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1811:35 pm -
1 stop26h 35m
Tue 11/172:10 pm -
1 stop10h 50m
Deal found 8/27![Multiple Airlines logo]()
$626
This FlightHub deal was found by Cheapflights users on 8/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2011:00 pm -
Nonstop6h 30m
Tue 10/139:15 pm -
1 stop22h 30m
Deal found 8/23![TAP AIR PORTUGAL logo]()
$627
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 9/285:40 pm -
1 stop10h 45m
Thu 10/221:45 pm -
1 stop12h 20m
Deal found 8/23![Multiple Airlines logo]()
$628
This FlightHub deal was found by Cheapflights users on 8/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:00 pm -
1 stop20h 00m
Sun 11/296:00 pm -
1 stop25h 40m
Deal found 8/23![TAP AIR PORTUGAL logo]()
$629
This Ovago deal was found by Cheapflights users on 8/23. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:05 pm -
1 stop10h 05m
Thu 10/159:00 am -
1 stop10h 45m
Deal found 8/23![TAP AIR PORTUGAL logo]()
$630
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:55 pm -
1 stop14h 10m
Thu 11/191:25 pm -
1 stop11h 35m
Deal found 8/27![Multiple Airlines logo]()
$630
This Justfly.com deal was found by Cheapflights users on 8/24. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:05 pm -
1 stop11h 05m
Wed 9/1610:30 pm -
1 stop26h 50m
Deal found 8/24![TAP AIR PORTUGAL logo]()
$632
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:00 pm -
1 stop11h 00m
Sat 11/212:30 pm -
1 stop10h 25m
Deal found 8/24![TAP AIR PORTUGAL logo]()
$633
This Booking.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:00 pm -
1 stop13h 00m
Fri 12/116:40 am -
1 stop17h 15m
Deal found 8/26![TAP AIR PORTUGAL logo]()
$633
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 29, 2026.
Discover carefully curated flight deals from Maine to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 29, 2026.
This Mytrip deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/149:25 pm -
1 stop8h 10m
Fri 11/203:00 pm -
1 stop9h 00m
Deal found 8/28![Multiple Airlines logo]()
$579
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:50 am -
1 stop20h 10m
Thu 11/1912:35 pm -
2 stops17h 11m
Deal found 8/28![United Airlines logo]()
$659
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:35 pm -
1 stop15h 55m
Fri 11/135:55 am -
1 stop13h 34m
Deal found 8/28![Delta logo]()
$660
This KLM deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2311:25 pm -
Nonstop6h 20m
Wed 11/2510:00 am -
1 stop13h 27m
Deal found 8/25![KLM logo]()
$696
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:10 pm -
1 stop21h 35m
Mon 11/96:30 am -
2 stops21h 18m
Deal found 8/26![TAP AIR PORTUGAL logo]()
$760
This American Airlines deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:47 pm -
1 stop9h 18m
Sun 11/1511:05 am -
2 stops16h 34m
Deal found 8/26![American Airlines logo]()
$781
This Scandinavian Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/238:10 pm -
2 stops61h 00m
Sat 1/304:25 pm -
1 stop28h 30m
Deal found 8/27![Scandinavian Airlines logo]()
$796
This SWISS deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/69:40 pm -
1 stop15h 40m
Mon 10/121:05 pm -
2 stops35h 50m
Deal found 8/28![SWISS logo]()
$808
This KAYAK deal was found by Cheapflights users on 8/23. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/79:30 am -
2 stops26h 20m
Thu 10/155:40 pm -
1 stop31h 30m
Deal found 8/23![Lufthansa logo]()
$858
This British Airways deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:35 pm -
1 stop18h 35m
Mon 11/231:40 pm -
1 stop13h 10m
Deal found 8/27![British Airways logo]()
$859
This LEVEL deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:55 pm -
1 stop12h 15m
Sat 9/1210:00 pm -
1 stop28h 45m
Deal found 8/26![LEVEL logo]()
$903
This Ovago deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:15 pm -
2 stops32h 55m
Mon 10/268:25 am -
2 stops16h 35m
Deal found 8/28![Azores Airlines logo]()
$1,227
This Gotogate deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/19:25 pm -
1 stop10h 30m
Tue 2/93:30 pm -
1 stop8h 30m
Deal found 8/27![Multiple Airlines logo]()
$659
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:00 am -
2 stops19h 50m
Wed 11/1812:35 pm -
1 stop28h 51m
Deal found 8/28![United Airlines logo]()
$659
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:05 pm -
1 stop12h 25m
Fri 11/135:55 am -
1 stop13h 34m
Deal found 8/28![Delta logo]()
$660
This KLM deal was found by Cheapflights users on 8/24. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/161:35 pm -
2 stops19h 15m
Mon 11/232:40 pm -
1 stop28h 33m
Deal found 8/24![KLM logo]()
$740
This CheapOair deal was found by Cheapflights users on 8/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:11 pm -
2 stops37h 34m
Mon 10/193:50 pm -
1 stop32h 30m
Deal found 8/23![TAP AIR PORTUGAL logo]()
$760
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:25 pm -
2 stops53h 25m
Mon 11/1612:30 pm -
2 stops51h 21m
Deal found 8/28![United Airlines logo]()
$696
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:05 pm -
1 stop12h 25m
Sat 11/1410:15 am -
1 stop13h 44m
Deal found 8/28![Delta logo]()
$706
This FlightHub deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/269:25 pm -
2 stops32h 55m
Tue 1/512:20 pm -
1 stop11h 40m
Deal found 8/27![Multiple Airlines logo]()
$710
This Scandinavian Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:10 am -
2 stops43h 50m
Sat 10/245:40 pm -
2 stops52h 05m
Deal found 8/27![Scandinavian Airlines logo]()
$801
This United Airlines deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/255:30 am -
2 stops23h 00m
Wed 12/212:35 pm -
2 stops34h 23m
Deal found 8/26![United Airlines logo]()
$696
This KLM deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/315:00 pm -
2 stops59h 35m
Sun 2/1410:10 am -
2 stops34h 12m
Deal found 8/28![KLM logo]()
$767
This American Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:47 pm -
1 stop9h 18m
Sun 11/1511:05 am -
1 stop12h 12m
Deal found 8/28![American Airlines logo]()
$848
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/216:00 pm -
1 stop20h 35m
Sat 2/279:30 am -
2 stops26h 13m
Deal found 8/26![TAP AIR PORTUGAL logo]()
$788
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/219:35 pm -
Nonstop6h 20m
Wed 3/311:15 am -
Nonstop7h 45m
Deal found 8/28![Delta logo]()
$720
This Scandinavian Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/78:55 pm -
2 stops60h 15m
Sat 11/142:35 pm -
2 stops30h 10m
Deal found 8/27![Scandinavian Airlines logo]()
$803
This Air France deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:03 pm -
1 stop10h 57m
Sun 11/155:00 am -
2 stops24h 19m
Deal found 8/24![Multiple Airlines logo]()
$767
This Delta deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/221:35 pm -
1 stop13h 25m
Wed 11/411:15 am -
Nonstop7h 44m
Deal found 8/26![Delta logo]()
$720
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:00 pm -
2 stops30h 45m
Mon 11/27:25 pm -
1 stop23h 15m
Deal found 8/25![TAP AIR PORTUGAL logo]()
$793
Last-minute flights from Maine to PortugalDiscover last-minute flight deals from Maine to Portugal. Data last updated August 29, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to Portugal. Data last updated August 29, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 8/24. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:05 pm -
1 stop11h 05m
Wed 9/1610:30 pm -
1 stop26h 50m
Deal found 8/24![TAP AIR PORTUGAL logo]()
$632
This FlightHub deal was found by Cheapflights users on 8/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2011:00 pm -
Nonstop6h 30m
Tue 10/139:15 pm -
1 stop22h 30m
Deal found 8/23![TAP AIR PORTUGAL logo]()
$627
This Cheapflightsfares deal was found by Cheapflights users on 8/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2011:00 pm -
Nonstop6h 30m
Wed 10/146:00 pm -
Nonstop7h 20m
Deal found 8/23![TAP AIR PORTUGAL logo]()
$642
This Ovago deal was found by Cheapflights users on 8/23. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:05 pm -
1 stop10h 05m
Thu 10/159:00 am -
1 stop10h 45m
Deal found 8/23![TAP AIR PORTUGAL logo]()
$630
This Justfly.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:05 pm -
1 stop10h 05m
Tue 10/610:30 pm -
1 stop21h 15m
Deal found 8/25![TAP AIR PORTUGAL logo]()
$635
This Justfly.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2610:45 pm -
1 stop20h 55m
Wed 10/79:00 am -
1 stop16h 20m
Deal found 8/28![TAP AIR PORTUGAL logo]()
$633
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:40 pm -
1 stop10h 30m
Tue 10/206:35 pm -
1 stop31h 30m
Deal found 8/26![Multiple Airlines logo]()
$638
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 9/285:40 pm -
1 stop10h 45m
Thu 10/221:45 pm -
1 stop12h 20m
Deal found 8/23![Multiple Airlines logo]()
$628
This FlightHub deal was found by Cheapflights users on 8/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:05 pm -
1 stop10h 55m
Mon 10/511:50 pm -
1 stop25h 30m
Deal found 8/24![TAP AIR PORTUGAL logo]()
$634
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 9/285:25 pm -
1 stop14h 15m
Wed 10/219:10 am -
1 stop16h 55m
Deal found 8/23![Multiple Airlines logo]()
$637
This Kiwi.com deal was found by Cheapflights users on 8/23. 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.
Tue 9/299:15 pm -
1 stop12h 20m
Thu 10/229:10 am -
1 stop16h 55m
Deal found 8/23![Multiple Airlines logo]()
$641
This FlightHub deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 8/26![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 29, 2026.
Search for one-way flight options from Maine to Portugal. Find affordable one-way fares based on user searches. Data last updated August 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1811:35 pm -
1 stop27h 25m
Deal found 8/26![LEVEL logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:55 pm -
1 stop28h 05m
Deal found 8/26![LEVEL logo]()
$207
This LEVEL deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:55 pm -
1 stop17h 25m
Deal found 8/26![LEVEL logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:55 pm -
1 stop32h 05m
Deal found 8/26![Multiple Airlines logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:55 pm -
2 stops17h 10m
Deal found 8/28![Multiple Airlines logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1811:35 pm -
2 stops16h 35m
Deal found 8/25![Multiple Airlines logo]()
$252
This SmartFares deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1310:45 pm -
1 stop10h 30m
Deal found 8/25![TAP AIR PORTUGAL logo]()
$253
This Booking.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:05 pm -
1 stop20h 30m
Deal found 8/27![TAP AIR PORTUGAL logo]()
$257
This FlightHub deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:05 pm -
1 stop20h 30m
Deal found 8/27![JetBlue logo]()
$267
This SmartFares deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:00 pm -
1 stop10h 20m
Deal found 8/25![TAP AIR PORTUGAL logo]()
$273
This Booking.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/3110:10 pm -
1 stop30h 10m
Deal found 8/25![TAP AIR PORTUGAL logo]()
$277
This Cheapflightsfares deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/110:10 pm -
1 stop21h 35m
Deal found 8/28![TAP AIR PORTUGAL logo]()
$283
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 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $568 (Booking.com) |
One-way from | $206 (Kiwi.com) |
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 29, 2026.
Use the filters below to find and compare flights from Maine to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonHorta
BOS Boston Logan Intl - HOR Horta
BOSHOR
Boston Logan Intl
Sat 11/14
9:25 pm-9:35 am
1 stop8h 10m
Horta
Fri 11/20
3:00 pm-8:00 pm
1 stop9h 00m
$579
BostonPorto
BOS Boston Logan Intl - OPO Porto
BOSOPO
Boston Logan Intl
Wed 10/14
5:50 am-7:00 am
1 stop20h 10m
Porto
Thu 11/19
12:35 pm-12:46 am
2 stops17h 11m
$659
BostonSanta Cruz da Graciosa
BOS Boston Logan Intl - GRW Santa Cruz da Graciosa Graciosa Island
BOSGRW
Boston Logan Intl
Mon 2/1
9:25 pm-11:55 am
1 stop10h 30m
Santa Cruz da Graciosa Graciosa Island
Tue 2/9
3:30 pm-8:00 pm
1 stop8h 30m
$659
BostonPorto
BOS Boston Logan Intl - OPO Porto
BOSOPO
Boston Logan Intl
Mon 10/19
6:00 am-6:50 am
2 stops19h 50m
Porto
Wed 11/18
12:35 pm-12:26 pm
1 stop28h 51m
$659
BostonPorto
BOS Boston Logan Intl - OPO Porto
BOSOPO
Boston Logan Intl
Tue 10/20
1:35 pm-10:30 am
1 stop15h 55m
Porto
Fri 11/13
5:55 am-2:29 pm
1 stop13h 34m
$660
BostonPorto
BOS Boston Logan Intl - OPO Porto
BOSOPO
Boston Logan Intl
Mon 10/19
5:05 pm-10:30 am
1 stop12h 25m
Porto
Fri 11/13
5:55 am-2:29 pm
1 stop13h 34m
$660
BostonLisbon
BOS Boston Logan Intl - LIS Lisbon Humberto Delgado
BOSLIS
Boston Logan Intl
Fri 10/23
11:25 pm-10:45 am
Nonstop6h 20m
Lisbon Humberto Delgado
Wed 11/25
10:00 am-6:27 pm
1 stop13h 27m
$696
BostonPorto
BOS Boston Logan Intl - OPO Porto
BOSOPO
Boston Logan Intl
Sat 10/17
8:25 pm-6:50 am
2 stops53h 25m
Porto
Mon 11/16
12:30 pm-10:51 am
2 stops51h 21m
$696
BostonPorto
BOS Boston Logan Intl - OPO Porto
BOSOPO
Boston Logan Intl
Wed 11/25
5:30 am-9:30 am
2 stops23h 00m
Porto
Wed 12/2
12:35 pm-5:58 pm
2 stops34h 23m
$696
BostonPorto
BOS Boston Logan Intl - OPO Porto
BOSOPO
Boston Logan Intl
Mon 10/19
5:05 pm-10:30 am
1 stop12h 25m
Porto
Sat 11/14
10:15 am-6:59 pm
1 stop13h 44m
$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-HOR
BOS-OPO
BOS-LIS
BOS-PDL
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-HOR
BOS-OPO
BOS-LIS
BOS-PDL
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 29, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Portugal
Find the right flight back to Maine after your stay in Portugal
Maine to Portugal flights
Consider these flights traveling from Maine to Portugal.
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top airline flying from Maine to Portugal
Discover the top airline that operate flights from Maine to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$550 | Average$679 | FlexibilityNo cancel fee | On-time69% |