$213+ 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 16 — Sep 231
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Maine to Portugal with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Maine to Portugal
Cheapest
Best
Last-minute
One-way
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 17, 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 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 11/105:50 pm -
2 stops26h 10m
Sun 11/158:45 am -
1 stop17h 00m
Deal found 8/13![Multiple Airlines logo]()
$613
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 8/15. Clicking the “Pick Dates” 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 11/66:00 pm -
1 stop13h 00m
Fri 11/1311:50 am -
1 stop12h 05m
Deal found 8/15![TAP AIR PORTUGAL logo]()
$631
This Booking.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 10/295:45 am -
1 stop23h 35m
Tue 11/312:50 pm -
1 stop26h 08m
Deal found 8/15![Multiple Airlines logo]()
$634
This Gotogate deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/216:05 pm -
Nonstop6h 35m
Mon 10/265:00 pm -
Nonstop7h 55m
Deal found 8/14![TAP AIR PORTUGAL logo]()
$635
This Booking.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 11/65:50 pm -
1 stop11h 20m
Sat 11/1410:50 am -
1 stop13h 05m
Deal found 8/15![Aer Lingus logo]()
$636
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/2910:45 pm -
1 stop13h 15m
Thu 10/1512:35 pm -
1 stop12h 45m
Deal found 8/13![TAP AIR PORTUGAL logo]()
$636
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.
Tue 9/296:05 pm -
Nonstop6h 35m
Thu 12/35:00 pm -
Nonstop7h 55m
Deal found 8/16![TAP AIR PORTUGAL logo]()
$637
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.
Tue 10/277:00 pm -
1 stop11h 00m
Fri 11/68:00 pm -
1 stop23h 40m
Deal found 8/17![TAP AIR PORTUGAL logo]()
$637
This Gotogate deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 10/126:05 pm -
1 stop25h 10m
Tue 10/207:05 am -
1 stop11h 40m
Deal found 8/14![TAP AIR PORTUGAL logo]()
$637
This Mytrip deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 10/298:50 pm -
3 stops19h 35m
Sat 11/76:10 am -
2 stops16h 40m
Deal found 8/11![Multiple Airlines logo]()
$638
This Cheapflightsfares deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 8/2311:00 pm -
Nonstop6h 30m
Mon 10/195:50 pm -
Nonstop7h 30m
Deal found 8/12![TAP AIR PORTUGAL logo]()
$638
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 17, 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 17, 2026.
This United Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 stop22h 30m
Sun 11/1510:40 am -
1 stop13h 22m
Deal found 8/15![United Airlines 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 Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 10/3110:40 pm -
Nonstop6h 20m
Sun 11/85:00 am -
1 stop14h 13m
Deal found 8/12![Delta logo]()
$705
This KLM deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 10/2510:40 pm -
Nonstop6h 20m
Sun 11/15:00 am -
1 stop19h 01m
Deal found 8/14![KLM logo]()
$705
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:45 pm -
1 stop31h 25m
Wed 9/3012:00 pm -
1 stop13h 20m
Deal found 8/17![TAP AIR PORTUGAL logo]()
$725
This LEVEL 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:35 pm -
1 stop29h 10m
Sun 10/1112:05 pm -
1 stop14h 40m
Deal found 8/16![LEVEL logo]()
$748
This Scandinavian Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 11/135:35 pm -
2 stops16h 10m
Sat 11/214:25 pm -
1 stop28h 15m
Deal found 8/12![Scandinavian Airlines logo]()
$782
This SWISS deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/209:40 pm -
2 stops16h 40m
Fri 9/2512:15 pm -
1 stop12h 40m
Deal found 8/14![SWISS logo]()
$884
This British Airways deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 8/15![British Airways logo]()
$884
This FlightHub deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 11/309:25 pm -
2 stops31h 45m
Tue 12/82:30 pm -
2 stops34h 30m
Deal found 8/12![Azores Airlines logo]()
$997
This Air Transat deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:05 am -
1 stop20h 50m
Sat 9/191:30 pm -
1 stop24h 35m
Deal found 8/12![Air Transat logo]()
$1,104
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.
Sat 10/315:57 pm -
2 stops12h 23m
Mon 11/910:15 am -
2 stops13h 42m
Deal found 8/16![United Airlines logo]()
$683
This FlightHub deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 11/109:25 pm -
2 stops39h 45m
Sun 11/1511:50 am -
2 stops36h 10m
Deal found 8/13![Multiple Airlines logo]()
$696
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 stop13h 10m
Tue 9/1512:45 pm -
Nonstop7h 35m
Deal found 8/13![Delta logo]()
$724
This TAP AIR PORTUGAL 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/276:00 pm -
1 stop12h 00m
Tue 12/15:50 pm -
Nonstop7h 55m
Deal found 8/16![TAP AIR PORTUGAL logo]()
$742
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 10/148:25 pm -
1 stop30h 55m
Thu 10/2211:25 am -
1 stop32h 16m
Deal found 8/13![United Airlines logo]()
$689
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 Scandinavian Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 12/105:35 pm -
2 stops39h 10m
Sat 12/194:25 pm -
1 stop28h 15m
Deal found 8/12![Scandinavian Airlines logo]()
$792
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.
Wed 11/41:35 pm -
2 stops16h 00m
Mon 11/95:55 am -
2 stops18h 00m
Deal found 8/16![Delta logo]()
$739
This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:00 am -
1 stop21h 20m
Thu 10/2211:25 am -
1 stop27h 25m
Deal found 8/14![United Airlines logo]()
$689
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 8/14![TAP AIR PORTUGAL logo]()
$758
This KLM deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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.
Sat 10/315:25 pm -
2 stops16h 25m
Sun 11/86:50 pm -
2 stops24h 43m
Deal found 8/12![KLM logo]()
$849
This Gotogate deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 8/299:15 pm -
2 stops9h 15m
Tue 10/204:05 pm -
1 stop7h 45m
Deal found 8/15![Multiple Airlines logo]()
$705
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 12/710:10 pm -
1 stop32h 50m
Mon 12/146:40 am -
2 stops28h 59m
Deal found 8/14![TAP AIR PORTUGAL logo]()
$762
This United deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:42 am -
2 stops18h 48m
Tue 11/1012:05 pm -
1 stop13h 15m
Deal found 8/13![Multiple Airlines logo]()
$709
This British Airways deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:50 pm -
1 stop16h 15m
Fri 9/188:00 pm -
1 stop26h 05m
Deal found 8/12![British Airways logo]()
$944
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.
Sat 11/75:57 pm -
1 stop10h 33m
Fri 11/2012:35 pm -
2 stops17h 11m
Deal found 8/16![United Airlines logo]()
$710
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 10/211:25 pm -
Nonstop6h 20m
Mon 10/512:45 pm -
Nonstop7h 43m
Deal found 8/13![Delta logo]()
$783
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 11/2910:45 pm -
1 stop11h 20m
Thu 12/311:50 am -
1 stop12h 05m
Deal found 8/15![TAP AIR PORTUGAL logo]()
$771
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/217:05 pm -
1 stop11h 10m
Wed 9/305:00 am -
1 stop16h 35m
Deal found 8/14![Delta logo]()
$813
Last-minute flights from Maine to PortugalDiscover last-minute flight deals from Maine to Portugal. Data last updated August 17, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to Portugal. Data last updated August 17, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 8/2311:00 pm -
Nonstop6h 30m
Mon 10/195:50 pm -
Nonstop7h 30m
Deal found 8/12![TAP AIR PORTUGAL logo]()
$638
This Gotogate deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/216:05 pm -
Nonstop6h 35m
Mon 10/265:00 pm -
Nonstop7h 55m
Deal found 8/14![TAP AIR PORTUGAL logo]()
$635
This Justfly.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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:45 pm -
1 stop11h 15m
Mon 9/2810:30 pm -
1 stop26h 50m
Deal found 8/16![TAP AIR PORTUGAL logo]()
$639
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/2410:55 pm -
1 stop28h 05m
Tue 10/137:50 pm -
2 stops28h 40m
Deal found 8/12![Multiple Airlines logo]()
$646
This Kissandfly.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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.
Sun 9/2711:00 pm -
Nonstop6h 30m
Sun 10/49:15 pm -
1 stop22h 30m
Deal found 8/13![TAP AIR PORTUGAL logo]()
$641
This Cheapflightsfares deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/276:05 pm -
Nonstop6h 35m
Sun 11/85:00 pm -
Nonstop7h 55m
Deal found 8/13![TAP AIR PORTUGAL logo]()
$642
This FlightHub deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/2710:40 pm -
1 stop11h 20m
Sat 10/175:40 pm -
Nonstop7h 40m
Deal found 8/12![TAP AIR PORTUGAL logo]()
$644
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/2711:00 pm -
Nonstop6h 30m
Wed 10/216:00 pm -
Nonstop7h 20m
Deal found 8/13![TAP AIR PORTUGAL logo]()
$648
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/2910:45 pm -
1 stop13h 15m
Thu 10/1512:35 pm -
1 stop12h 45m
Deal found 8/13![TAP AIR PORTUGAL logo]()
$636
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.
Tue 9/296:05 pm -
Nonstop6h 35m
Thu 12/35:00 pm -
Nonstop7h 55m
Deal found 8/16![TAP AIR PORTUGAL logo]()
$637
This FlightHub deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/2910:45 pm -
1 stop13h 15m
Tue 10/209:00 am -
1 stop16h 20m
Deal found 8/12![TAP AIR PORTUGAL logo]()
$643
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/3010:55 pm -
1 stop12h 15m
Thu 10/221:45 pm -
1 stop12h 20m
Deal found 8/12![LEVEL logo]()
$642
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 17, 2026.
Search for one-way flight options from Maine to Portugal. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
This LEVEL deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 10/1811:35 pm -
1 stop27h 25m
Deal found 8/12![LEVEL logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 8/15![LEVEL logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 8/15![Multiple Airlines logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 stops34h 00m
Deal found 8/12![Multiple Airlines logo]()
$250
This Mytrip deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 8/14![TAP AIR PORTUGAL logo]()
$253
This FlightHub deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2310:40 pm -
1 stop31h 05m
Deal found 8/12![TAP AIR PORTUGAL logo]()
$258
This Booking.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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.
Wed 10/146:05 pm -
1 stop20h 45m
Deal found 8/11![TAP AIR PORTUGAL logo]()
$259
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 Booking.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 12/296:00 pm -
1 stop25h 45m
Deal found 8/12![TAP AIR PORTUGAL logo]()
$264
This Booking.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 8/226:05 pm -
1 stop11h 40m
Deal found 8/14![TAP AIR PORTUGAL logo]()
$273
This Mytrip deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 10/297:00 pm -
1 stop10h 20m
Deal found 8/14![TAP AIR PORTUGAL logo]()
$274
This Booking.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 10/3011:10 pm -
1 stop21h 35m
Deal found 8/13![TAP AIR PORTUGAL logo]()
$276
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 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $613 (Kiwi.com) |
One-way from | $213 (LEVEL) |
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 2,558,603 searches. Data last updated August 17, 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
BostonLisbon
BOS Boston Logan Intl - LIS Lisbon Humberto Delgado
BOSLIS
Boston Logan Intl
Wed 10/14
5:50 am-9:20 am
1 stop22h 30m
Lisbon Humberto Delgado
Sun 11/15
10:40 am-7:02 pm
1 stop13h 22m
$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
BostonLisbon
BOS Boston Logan Intl - LIS Lisbon Humberto Delgado
BOSLIS
Boston Logan Intl
Sat 10/31
5:57 pm-10:20 am
2 stops12h 23m
Lisbon Humberto Delgado
Mon 11/9
10:15 am-6:57 pm
2 stops13h 42m
$683
BostonLisbon
BOS Boston Logan Intl - LIS Lisbon Humberto Delgado
BOSLIS
Boston Logan Intl
Wed 10/14
8:25 pm-8:20 am
1 stop30h 55m
Lisbon Humberto Delgado
Thu 10/22
11:25 am-2:41 pm
1 stop32h 16m
$689
BostonLisbon
BOS Boston Logan Intl - LIS Lisbon Humberto Delgado
BOSLIS
Boston Logan Intl
Thu 10/15
6:00 am-8:20 am
1 stop21h 20m
Lisbon Humberto Delgado
Thu 10/22
11:25 am-9:50 am
1 stop27h 25m
$689
BostonHorta
BOS Boston Logan Intl - HOR Horta
BOSHOR
Boston Logan Intl
Tue 11/10
9:25 pm-5:10 pm
2 stops39h 45m
Horta
Sun 11/15
11:50 am-8:00 pm
2 stops36h 10m
$696
BostonHorta
BOS Boston Logan Intl - HOR Horta
BOSHOR
Boston Logan Intl
Sun 10/25
10:25 pm-11:40 am
1 stop10h 15m
Horta
Sat 10/31
9:50 am-9:00 pm
2 stops38h 10m
$698
BostonLisbon
BOS Boston Logan Intl - LIS Lisbon Humberto Delgado
BOSLIS
Boston Logan Intl
Sat 10/31
10:40 pm-9:00 am
Nonstop6h 20m
Lisbon Humberto Delgado
Sun 11/8
5:00 am-2:13 pm
1 stop14h 13m
$705
BostonLisbon
BOS Boston Logan Intl - LIS Lisbon Humberto Delgado
BOSLIS
Boston Logan Intl
Sun 10/25
10:40 pm-9:00 am
Nonstop6h 20m
Lisbon Humberto Delgado
Sun 11/1
5:00 am-8:01 pm
1 stop19h 01m
$705
BostonVelas
BOS Boston Logan Intl - SJZ Velas Sao Jorge Island
BOSSJZ
Boston Logan Intl
Sat 8/29
9:15 pm-10:30 am
2 stops9h 15m
Velas Sao Jorge Island
Tue 10/20
4:05 pm-7:50 pm
1 stop7h 45m
$705
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-FNC
BOS-TER
BOS-LIS
BOS-OPO
BOS-PDL
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-FNC
BOS-TER
BOS-LIS
BOS-OPO
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
Top regions
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 17, 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 August 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$550 | Average$707 | FlexibilityNo cancel fee | On-time69% |