$211+ 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 9 — Sep 161
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 10, 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 10, 2026.
This oojo deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2410:45 pm -
1 stop11h 20m
Mon 11/3012:35 pm -
1 stop30h 05m
Deal found 8/6![TAP AIR PORTUGAL logo]()
$616
This Cheapflightsfares deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 8/2310:40 pm -
1 stop19h 20m
Tue 10/275:50 pm -
Nonstop7h 55m
Deal found 8/6![TAP AIR PORTUGAL logo]()
$640
This Cheapflightsfares deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:15 pm -
Nonstop6h 40m
Wed 9/99:00 am -
1 stop10h 45m
Deal found 8/7![TAP AIR PORTUGAL logo]()
$641
This Cheapflightsfares deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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.
Thu 11/1210:10 pm -
Nonstop6h 35m
Mon 11/165:00 pm -
Nonstop7h 55m
Deal found 8/10![TAP AIR PORTUGAL logo]()
$642
This oojo deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/216:05 pm -
1 stop10h 55m
Mon 9/289:15 pm -
1 stop28h 05m
Deal found 8/6![TAP AIR PORTUGAL logo]()
$642
This Gotogate deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 10/2610:25 pm -
1 stop11h 00m
Mon 12/75:55 pm -
1 stop30h 05m
Deal found 8/10![Multiple Airlines logo]()
$642
This Booking.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:10 pm -
1 stop32h 50m
Mon 11/92:55 pm -
1 stop33h 50m
Deal found 8/9![TAP AIR PORTUGAL logo]()
$642
This Justfly.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/610:40 pm -
1 stop16h 55m
Tue 11/175:00 am -
1 stop14h 40m
Deal found 8/10![TAP AIR PORTUGAL logo]()
$643
This Booking.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 11/610:10 pm -
1 stop32h 50m
Tue 11/1711:50 am -
1 stop30h 50m
Deal found 8/7![TAP AIR PORTUGAL logo]()
$643
This FlightHub deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 8/2311:00 pm -
Nonstop6h 30m
Wed 10/288:00 pm -
1 stop23h 40m
Deal found 8/6![TAP AIR PORTUGAL logo]()
$644
This Cheapflightsfares deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1910:45 pm -
1 stop20h 30m
Fri 10/306:40 am -
1 stop17h 15m
Deal found 8/8![TAP AIR PORTUGAL logo]()
$645
This Booking.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 stop25h 10m
Tue 10/207:05 am -
1 stop17h 15m
Deal found 8/6![TAP AIR PORTUGAL logo]()
$646
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 10, 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 10, 2026.
This United Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 10/289:00 am -
1 stop20h 30m
Tue 2/2312:35 pm -
1 stop26h 20m
Deal found 8/5![United Airlines logo]()
$655
This FlightHub deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 8/7![Multiple Airlines logo]()
$674
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 8/2311:20 pm -
Nonstop6h 25m
Tue 9/112:45 pm -
Nonstop7h 35m
Deal found 8/7![Delta logo]()
$694
This KLM deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 11/68:55 pm -
1 stop31h 25m
Fri 11/136:00 pm -
1 stop25h 13m
Deal found 8/5![KLM logo]()
$706
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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.
Wed 11/46:00 pm -
1 stop13h 00m
Wed 11/1811:50 am -
1 stop30h 50m
Deal found 8/7![TAP AIR PORTUGAL logo]()
$709
This Cheapflightsfares deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 11/19:25 pm -
1 stop9h 00m
Mon 11/912:05 pm -
1 stop12h 55m
Deal found 8/10![Azores Airlines logo]()
$745
This SWISS deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/295:10 pm -
1 stop20h 10m
Mon 10/129:10 am -
1 stop35h 00m
Deal found 8/7![SWISS logo]()
$774
This Scandinavian Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 10/155:50 pm -
1 stop35h 10m
Tue 10/273:55 pm -
2 stops52h 45m
Deal found 8/5![Scandinavian Airlines logo]()
$835
This British Airways deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 8/6![British Airways logo]()
$883
This LEVEL deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 8/2610:55 pm -
1 stop28h 05m
Sat 8/2910:00 pm -
1 stop28h 55m
Deal found 8/8![LEVEL logo]()
$1,019
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 11/33:41 pm -
2 stops13h 24m
Fri 11/2011:20 am -
1 stop12h 42m
Deal found 8/10![United Airlines logo]()
$676
This FlightHub deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/219:25 pm -
2 stops40h 05m
Sat 11/284:50 pm -
2 stops31h 10m
Deal found 8/9![Multiple Airlines logo]()
$690
This Delta deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 10/2510:40 pm -
Nonstop6h 20m
Sun 11/15:00 am -
1 stop14h 13m
Deal found 8/9![Delta logo]()
$705
This Cheapflightsfares deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:05 pm -
1 stop12h 05m
Wed 9/3012:00 pm -
1 stop13h 20m
Deal found 8/10![TAP AIR PORTUGAL logo]()
$713
This KLM deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 11/28:55 pm -
1 stop31h 40m
Sun 11/810:10 am -
1 stop13h 51m
Deal found 8/8![KLM logo]()
$737
This United Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 10/1810:40 am -
1 stop17h 40m
Sun 11/15:00 am -
1 stop13h 45m
Deal found 8/5![United Airlines logo]()
$681
This FlightHub deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 11/229:25 pm -
1 stop7h 25m
Sat 11/289:45 am -
1 stop14h 15m
Deal found 8/9![Multiple Airlines logo]()
$734
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/1011:25 pm -
Nonstop6h 20m
Wed 9/305:35 am -
1 stop13h 04m
Deal found 8/7![Delta logo]()
$735
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 10/1910:45 pm -
1 stop20h 30m
Wed 10/2811:50 am -
1 stop30h 50m
Deal found 8/8![TAP AIR PORTUGAL logo]()
$739
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 10/128:25 pm -
1 stop30h 55m
Wed 11/1111:55 am -
2 stops24h 48m
Deal found 8/6![United Airlines logo]()
$688
This KLM deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 9/1211:25 pm -
Nonstop6h 20m
Sat 9/198:55 am -
1 stop12h 40m
Deal found 8/8![KLM logo]()
$794
This Delta deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:10 pm -
1 stop14h 45m
Sun 8/309:50 am -
1 stop34h 05m
Deal found 8/5![Delta logo]()
$738
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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.
Wed 10/76:05 pm -
1 stop24h 05m
Sun 10/116:00 pm -
Nonstop7h 20m
Deal found 8/10![TAP AIR PORTUGAL logo]()
$747
This British Airways deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 10/85:28 pm -
2 stops14h 37m
Tue 10/1311:30 am -
2 stops16h 55m
Deal found 8/8![British Airways logo]()
$904
This United deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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.
Sun 9/209:33 am -
1 stop19h 22m
Wed 9/307:05 pm -
1 stop29h 50m
Deal found 8/9![Multiple Airlines logo]()
$759
This United Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 10/318:05 pm -
1 stop9h 25m
Fri 2/2612:35 pm -
1 stop15h 42m
Deal found 8/5![United Airlines logo]()
$705
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2011:00 pm -
Nonstop6h 30m
Sun 9/276:00 pm -
1 stop31h 20m
Deal found 8/9![TAP AIR PORTUGAL logo]()
$759
This FlightHub deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 12/229:25 pm -
2 stops15h 40m
Sun 1/310:20 am -
2 stops37h 40m
Deal found 8/8![Multiple Airlines logo]()
$768
This KLM deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 8/7![KLM logo]()
$849
This Delta deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 9/2311:25 pm -
Nonstop6h 20m
Tue 9/295:35 am -
1 stop13h 04m
Deal found 8/8![Delta logo]()
$794
Last-minute flights from Maine to PortugalDiscover last-minute flight deals from Maine to Portugal. Data last updated August 10, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to Portugal. Data last updated August 10, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:15 pm -
Nonstop6h 40m
Wed 9/99:00 am -
1 stop10h 45m
Deal found 8/7![TAP AIR PORTUGAL logo]()
$641
This Mytrip deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:05 pm -
1 stop14h 50m
Thu 9/37:15 am -
1 stop17h 05m
Deal found 8/6![TAP AIR PORTUGAL logo]()
$650
This Cheapflightsfares deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 8/2310:40 pm -
1 stop19h 20m
Tue 10/275:50 pm -
Nonstop7h 55m
Deal found 8/6![TAP AIR PORTUGAL logo]()
$640
This FlightHub deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 8/2311:00 pm -
Nonstop6h 30m
Wed 10/288:00 pm -
1 stop23h 40m
Deal found 8/6![TAP AIR PORTUGAL logo]()
$644
This Justfly.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/610:40 pm -
1 stop16h 55m
Tue 11/175:00 am -
1 stop14h 40m
Deal found 8/10![TAP AIR PORTUGAL logo]()
$643
This Gotogate deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/611:00 pm -
Nonstop6h 30m
Sun 12/1312:00 pm -
1 stop12h 55m
Deal found 8/8![TAP AIR PORTUGAL logo]()
$654
This FlightHub deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/810:45 pm -
1 stop19h 00m
Tue 9/156:00 pm -
1 stop25h 45m
Deal found 8/6![TAP AIR PORTUGAL logo]()
$653
This Justfly.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 stop16h 55m
Mon 9/286:00 pm -
1 stop31h 20m
Deal found 8/9![TAP AIR PORTUGAL logo]()
$650
This oojo deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/216:05 pm -
1 stop10h 55m
Mon 9/289:15 pm -
1 stop28h 05m
Deal found 8/6![TAP AIR PORTUGAL logo]()
$642
This Mytrip deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:40 pm -
3 stops35h 20m
Wed 9/3010:45 am -
3 stops33h 50m
Deal found 8/9![Multiple Airlines logo]()
$647
This LEVEL deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/2310:55 pm -
1 stop12h 15m
Wed 10/1410:00 pm -
1 stop28h 05m
Deal found 8/7![LEVEL logo]()
$649
This Kiwi.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 8/9![Multiple Airlines logo]()
$648
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 10, 2026.
Search for one-way flight options from Maine to Portugal. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 8/9![LEVEL logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 stop12h 15m
Deal found 8/8![LEVEL logo]()
$212
This Mytrip deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 stop10h 30m
Deal found 8/9![TAP AIR PORTUGAL logo]()
$251
This Mytrip deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:05 pm -
1 stop20h 30m
Deal found 8/7![TAP AIR PORTUGAL logo]()
$258
This Booking.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 10/1410:45 pm -
1 stop31h 00m
Deal found 8/9![TAP AIR PORTUGAL logo]()
$259
This oojo deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:45 pm -
1 stop16h 05m
Deal found 8/5![TAP AIR PORTUGAL logo]()
$260
This Mytrip deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1710:45 pm -
1 stop31h 00m
Deal found 8/7![TAP AIR PORTUGAL logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 8/9![Multiple Airlines logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 -
2 stops19h 15m
Deal found 8/8![Multiple Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 10/511:00 pm -
2 stops42h 55m
Deal found 8/8![Multiple Airlines logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 stops20h 05m
Deal found 8/9![Multiple Airlines logo]()
$277
This oojo deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:45 pm -
1 stop12h 15m
Deal found 8/5![TAP AIR PORTUGAL logo]()
$280
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 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $616 (oojo) |
One-way from | $211 (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 2,558,603 searches. Data last updated August 10, 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
BostonPorto
BOS Boston Logan Intl - OPO Porto
BOSOPO
Boston Logan Intl
Wed 10/28
9:00 am-9:30 am
1 stop20h 30m
Porto
Tue 2/23
12:35 pm-9:55 am
1 stop26h 20m
$655
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
Tue 11/3
3:41 pm-10:05 am
2 stops13h 24m
Lisbon Humberto Delgado
Fri 11/20
11:20 am-7:02 pm
1 stop12h 42m
$676
BostonLisbon
BOS Boston Logan Intl - LIS Lisbon Humberto Delgado
BOSLIS
Boston Logan Intl
Sun 10/18
10:40 am-9:20 am
1 stop17h 40m
Lisbon Humberto Delgado
Sun 11/1
5:00 am-2:45 pm
1 stop13h 45m
$681
BostonLisbon
BOS Boston Logan Intl - LIS Lisbon Humberto Delgado
BOSLIS
Boston Logan Intl
Mon 10/12
8:25 pm-8:20 am
1 stop30h 55m
Lisbon Humberto Delgado
Wed 11/11
11:55 am-7:43 am
2 stops24h 48m
$688
BostonPico Island
BOS Boston Logan Intl - PIX Pico Island
BOSPIX
Boston Logan Intl
Sat 11/21
9:25 pm-5:30 pm
2 stops40h 05m
Pico Island
Sat 11/28
4:50 pm-8:00 pm
2 stops31h 10m
$690
Quickest round-trip
BostonLisbon
BOS Boston Logan Intl - LIS Lisbon Humberto Delgado
BOSLIS
Boston Logan Intl
Sun 8/23
11:20 pm-10:45 am
Nonstop6h 25m
Lisbon Humberto Delgado
Tue 9/1
12:45 pm-3:20 pm
Nonstop7h 35m
$694
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-3:13 pm
1 stop14h 13m
$705
BostonPorto
BOS Boston Logan Intl - OPO Porto
BOSOPO
Boston Logan Intl
Sat 10/31
8:05 pm-9:30 am
1 stop9h 25m
Porto
Fri 2/26
12:35 pm-11:17 pm
1 stop15h 42m
$705
BostonFunchal
BOS Boston Logan Intl - FNC Funchal Madeira
BOSFNC
Boston Logan Intl
Fri 11/6
8:55 pm-9:20 am
1 stop31h 25m
Funchal Madeira
Fri 11/13
6:00 pm-2:13 pm
1 stop25h 13m
$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-TER
BOS-OPO
BOS-LIS
BOS-PIX
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-TER
BOS-OPO
BOS-LIS
BOS-PIX
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 10, 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 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$550 | Average$707 | FlexibilityNo cancel fee | On-time69% |