$254+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LIS
Jul 15 — Jul 221
Round-trip
1 adult, Economy
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Cheapest flights from Maine to PortugalExplore the most affordable flight options available from Maine to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 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 June 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:50 pm
BOS
- FAO
2 stops17h 35m
Multiple Airlines
Thu 9/249:40 am
FAO
- BOS
1 stop16h 25m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$596
This oojo deal was found by Cheapflights users on 6/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:45 pm
BOS
- TER
1 stop20h 30m
TAP AIR PORTUGAL
Tue 9/11:40 pm
TER
- BOS
1 stop29h 05m
TAP AIR PORTUGAL
Deal found 6/12![TAP AIR PORTUGAL logo]()
$632
This oojo deal was found by Cheapflights users on 6/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:05 pm
BOS
- TER
1 stop25h 10m
TAP AIR PORTUGAL
Mon 8/311:40 pm
TER
- BOS
1 stop29h 05m
TAP AIR PORTUGAL
Deal found 6/11![TAP AIR PORTUGAL logo]()
$667
This oojo deal was found by Cheapflights users on 6/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:45 pm
BOS
- PXO
1 stop31h 25m
TAP AIR PORTUGAL
Wed 9/3012:00 pm
PXO
- BOS
1 stop13h 20m
TAP AIR PORTUGAL
Deal found 6/12![TAP AIR PORTUGAL logo]()
$673
This oojo deal was found by Cheapflights users on 6/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:05 pm
BOS
- TER
1 stop12h 55m
TAP AIR PORTUGAL
Mon 9/147:05 am
TER
- BOS
1 stop17h 15m
TAP AIR PORTUGAL
Deal found 6/12![TAP AIR PORTUGAL logo]()
$674
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:35 pm
BOS
- OPO
1 stop12h 30m
Scandinavian Airlines
Sat 10/3112:00 pm
OPO
- BOS
1 stop32h 40m
Scandinavian Airlines
Deal found 6/11![Scandinavian Airlines logo]()
$696
This oojo deal was found by Cheapflights users on 6/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:05 pm
BOS
- TER
1 stop25h 10m
TAP AIR PORTUGAL
Mon 9/71:40 pm
TER
- BOS
1 stop29h 05m
TAP AIR PORTUGAL
Deal found 6/12![TAP AIR PORTUGAL logo]()
$696
This oojo deal was found by Cheapflights users on 6/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3110:45 pm
BOS
- OPO
1 stop13h 15m
TAP AIR PORTUGAL
Mon 9/79:15 pm
OPO
- BOS
1 stop28h 05m
TAP AIR PORTUGAL
Deal found 6/13![TAP AIR PORTUGAL logo]()
$697
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:20 pm
BOS
- OPO
1 stop13h 40m
American Airlines
Tue 10/612:25 pm
OPO
- BOS
1 stop12h 25m
American Airlines
Deal found 6/11![American Airlines logo]()
$698
This Justfly.com deal was found by Cheapflights users on 6/15. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:15 pm
BOS
- TER
1 stop16h 25m
Multiple Airlines
Tue 10/136:05 pm
TER
- BOS
Nonstop5h 45m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$698
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 8/55:40 pm
BOS
- OPO
1 stop11h 30m
Multiple Airlines
Wed 9/210:00 pm
OPO
- BOS
1 stop28h 05m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$699
This FlightHub deal was found by Cheapflights users on 6/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:05 pm
BOS
- PXO
1 stop12h 05m
TAP AIR PORTUGAL
Tue 10/2012:00 pm
PXO
- BOS
1 stop13h 20m
TAP AIR PORTUGAL
Deal found 6/14![TAP AIR PORTUGAL logo]()
$700
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 June 15, 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 June 15, 2026.
This oojo deal was found by Cheapflights users on 6/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:45 pm
BOS
- TER
1 stop20h 30m
TAP AIR PORTUGAL
Mon 8/317:05 am
TER
- BOS
1 stop11h 40m
TAP AIR PORTUGAL
Deal found 6/13![TAP AIR PORTUGAL logo]()
$679
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/183:34 pm
BOS
- OPO
1 stop12h 31m
Delta
Mon 11/2311:15 am
OPO
- BOS
2 stops18h 43m
Delta
Deal found 6/11![Delta logo]()
$700
This KLM deal was found by Cheapflights users on 6/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:55 pm
BOS
- FAO
1 stop19h 35m
KLM
Tue 11/242:40 pm
FAO
- BOS
1 stop27h 45m
KLM
Deal found 6/10![KLM logo]()
$715
This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/58:05 pm
BOS
- FAO
1 stop14h 00m
Lufthansa
Mon 8/173:55 pm
FAO
- BOS
1 stop30h 45m
Lufthansa
Deal found 6/10![Lufthansa logo]()
$825
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/199:15 pm
BOS
- PIX
2 stops17h 20m
Multiple Airlines
Sat 9/268:20 am
PIX
- BOS
2 stops30h 00m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$841
This United Airlines deal was found by Cheapflights users on 6/14. 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 9/246:50 pm
BOS
- LIS
1 stop9h 30m
United Airlines
Fri 10/211:25 am
LIS
- BOS
1 stop11h 42m
United Airlines
Deal found 6/14![United Airlines logo]()
$867
This Virgin Atlantic deal was found by Cheapflights users on 6/12. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:20 pm
BOS
- LIS
Nonstop6h 25m
Virgin Atlantic
Tue 12/2210:00 am
LIS
- BOS
1 stop13h 27m
Virgin Atlantic
Deal found 6/12![Virgin Atlantic logo]()
$870
This Delta deal was found by Cheapflights users on 6/14. 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.
Sun 7/269:05 am
BOS
- OPO
2 stops18h 25m
Delta
Thu 8/205:00 am
OPO
- BOS
2 stops16h 13m
Delta
Deal found 6/14![Delta logo]()
$729
This KLM deal was found by Cheapflights users on 6/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:55 pm
BOS
- FAO
1 stop33h 15m
KLM
Wed 10/282:40 pm
FAO
- BOS
1 stop27h 45m
KLM
Deal found 6/10![KLM logo]()
$745
This TAP AIR PORTUGAL deal was found by Cheapflights users on 6/12. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:15 pm
BOS
- OPO
Nonstop6h 40m
TAP AIR PORTUGAL
Tue 9/229:15 pm
OPO
- BOS
1 stop28h 05m
TAP AIR PORTUGAL
Deal found 6/12![TAP AIR PORTUGAL logo]()
$759
This Delta deal was found by Cheapflights users on 6/14. 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.
Sun 7/261:35 pm
BOS
- OPO
1 stop15h 50m
Delta
Sat 8/2212:55 pm
OPO
- BOS
1 stop14h 48m
Delta
Deal found 6/14![Delta logo]()
$755
This Gotogate deal was found by Cheapflights users on 6/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/249:15 pm
BOS
- SMA
2 stops19h 15m
Multiple Airlines
Fri 9/41:10 pm
SMA
- BOS
1 stop10h 40m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$851
This United Airlines deal was found by Cheapflights users on 6/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:50 pm
BOS
- LIS
1 stop9h 30m
United Airlines
Tue 10/611:25 am
LIS
- BOS
1 stop11h 42m
United Airlines
Deal found 6/12![United Airlines logo]()
$867
This Virgin Atlantic deal was found by Cheapflights users on 6/14. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:25 pm
BOS
- LIS
Nonstop6h 20m
Virgin Atlantic
Thu 10/1512:45 pm
LIS
- BOS
Nonstop7h 40m
Virgin Atlantic
Deal found 6/14![Virgin Atlantic logo]()
$885
This KLM deal was found by Cheapflights users on 6/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/314:40 pm
BOS
- FAO
2 stops17h 10m
KLM
Sun 11/86:50 pm
FAO
- BOS
2 stops25h 32m
KLM
Deal found 6/11![KLM logo]()
$829
This Delta deal was found by Cheapflights users on 6/14. 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.
Sun 7/195:10 pm
BOS
- OPO
1 stop10h 20m
Delta
Sat 8/225:00 am
OPO
- BOS
2 stops16h 13m
Delta
Deal found 6/14![Delta logo]()
$784
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 8/52:15 pm
BOS
- FAO
2 stops16h 05m
United Airlines
Mon 8/173:25 pm
FAO
- BOS
2 stops33h 30m
United Airlines
Deal found 6/10![United Airlines logo]()
$874
This Virgin Atlantic deal was found by Cheapflights users on 6/14. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:25 pm
BOS
- LIS
Nonstop6h 20m
Virgin Atlantic
Sun 10/1812:45 pm
LIS
- BOS
Nonstop7h 40m
Virgin Atlantic
Deal found 6/14![Virgin Atlantic logo]()
$885
This Mytrip deal was found by Cheapflights users on 6/14. 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.
Sat 8/87:15 pm
BOS
- FAO
2 stops23h 05m
Multiple Airlines
Wed 8/196:10 pm
FAO
- BOS
3 stops30h 05m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$895
This TAP AIR PORTUGAL deal was found by Cheapflights users on 6/13. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/610:45 pm
BOS
- FNC
1 stop19h 25m
TAP AIR PORTUGAL
Thu 12/106:10 pm
FNC
- BOS
1 stop25h 30m
TAP AIR PORTUGAL
Deal found 6/13![TAP AIR PORTUGAL logo]()
$921
This KLM deal was found by Cheapflights users on 6/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:00 pm
BOS
- FAO
1 stop33h 10m
KLM
Sun 10/49:20 am
FAO
- BOS
2 stops18h 50m
KLM
Deal found 6/11![KLM logo]()
$846
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Mon 7/2010:58 am
BOS
- LIS
1 stop16h 22m
United Airlines
Fri 7/317:25 am
LIS
- BOS
1 stop13h 15m
United Airlines
Deal found 6/14![United Airlines logo]()
$875
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/310:05 am
BOS
- FNC
2 stops31h 25m
Multiple Airlines
Tue 9/82:15 pm
FNC
- BOS
1 stop11h 05m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$913
This TAP AIR PORTUGAL deal was found by Cheapflights users on 6/15. 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 7/1911:00 pm
BOS
- TER
1 stop14h 05m
TAP AIR PORTUGAL
Thu 7/307:15 am
TER
- BOS
2 stops27h 59m
TAP AIR PORTUGAL
Deal found 6/15![TAP AIR PORTUGAL logo]()
$922
This Delta deal was found by Cheapflights users on 6/14. 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.
Wed 11/412:00 pm
BOS
- OPO
2 stops17h 35m
Delta
Sun 11/155:00 am
OPO
- BOS
2 stops18h 27m
Delta
Deal found 6/14![Delta logo]()
$844
This KLM deal was found by Cheapflights users on 6/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/24:45 pm
BOS
- FAO
1 stop11h 45m
KLM
Sat 10/109:55 pm
FAO
- BOS
1 stop20h 20m
KLM
Deal found 6/11![KLM logo]()
$895
This TAP AIR PORTUGAL deal was found by Cheapflights users on 6/12. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:05 pm
BOS
- PDL
1 stop11h 40m
TAP AIR PORTUGAL
Fri 10/233:20 pm
PDL
- BOS
1 stop33h 00m
TAP AIR PORTUGAL
Deal found 6/12![TAP AIR PORTUGAL logo]()
$923
This Delta deal was found by Cheapflights users on 6/12. 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.
Fri 9/411:25 pm
BOS
- LIS
Nonstop6h 20m
Delta
Wed 9/2310:00 am
LIS
- BOS
1 stop14h 08m
Delta
Deal found 6/12![Delta logo]()
$870
This KLM deal was found by Cheapflights users on 6/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:55 pm
BOS
- FAO
1 stop33h 15m
KLM
Fri 10/302:40 pm
FAO
- BOS
1 stop27h 45m
KLM
Deal found 6/13![KLM logo]()
$904
This KAYAK deal was found by Cheapflights users on 6/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1211:45 am
BOS
- HOR
1 stop24h 15m
Multiple Airlines
Mon 7/201:40 pm
HOR
- BOS
1 stop24h 40m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$1,005
Last-minute flights from Maine to PortugalDiscover last-minute flight deals from Maine to Portugal. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to Portugal. Data last updated June 15, 2026 and is based on user searches.
This Air France deal was found by Cheapflights users on 6/12. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/68:25 pm
BOS
- OPO
1 stop14h 05m
Multiple Airlines
Fri 9/412:45 pm
OPO
- BOS
1 stop14h 58m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$721
This Delta deal was found by Cheapflights users on 6/12. 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.
Mon 7/68:25 pm
BOS
- OPO
1 stop14h 05m
Delta
Fri 9/411:25 am
OPO
- BOS
2 stops16h 18m
Delta
Deal found 6/12![Delta logo]()
$736
This LEVEL deal was found by Cheapflights users on 6/10. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1211:35 pm
BOS
- OPO
1 stop16h 45m
LEVEL
Thu 7/168:35 am
OPO
- BOS
1 stop18h 10m
LEVEL
Deal found 6/10![LEVEL logo]()
$727
This LEVEL deal was found by Cheapflights users on 6/11. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1510:55 pm
BOS
- OPO
1 stop28h 05m
LEVEL
Wed 7/2210:00 pm
OPO
- BOS
1 stop28h 45m
LEVEL
Deal found 6/11![LEVEL logo]()
$734
This Orbitz deal was found by Cheapflights users on 6/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/198:45 pm
BOS
- OPO
1 stop14h 15m
Iberia
Mon 9/148:40 pm
OPO
- BOS
1 stop24h 30m
Iberia
Deal found 6/13![Iberia logo]()
$709
This Air France deal was found by Cheapflights users on 6/10. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:10 pm
BOS
- OPO
1 stop10h 20m
Air France
Thu 8/201:25 pm
OPO
- BOS
1 stop14h 18m
Air France
Deal found 6/10![Air France logo]()
$707
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:10 pm
BOS
- OPO
1 stop17h 15m
Delta
Tue 8/1811:30 am
OPO
- BOS
1 stop30h 48m
Delta
Deal found 6/10![Delta logo]()
$714
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/263:00 pm
BOS
- OPO
1 stop14h 25m
Delta
Tue 8/1811:30 am
OPO
- BOS
1 stop30h 48m
Delta
Deal found 6/10![Delta logo]()
$700
This Delta deal was found by Cheapflights users on 6/14. 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.
Sun 7/261:35 pm
BOS
- OPO
1 stop15h 50m
Delta
Thu 8/205:00 am
OPO
- BOS
2 stops19h 15m
Delta
Deal found 6/14![Delta logo]()
$710
This Delta deal was found by Cheapflights users on 6/14. 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.
Sun 7/269:05 am
BOS
- OPO
2 stops18h 25m
Delta
Fri 8/215:00 am
OPO
- BOS
2 stops22h 43m
Delta
Deal found 6/14![Delta logo]()
$729
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/268:50 pm
BOS
- FNC
2 stops23h 25m
Multiple Airlines
Fri 9/410:45 pm
FNC
- BOS
1 stop26h 35m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$810
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/295:10 pm
BOS
- OPO
1 stop10h 20m
Delta
Wed 8/195:00 am
OPO
- BOS
2 stops16h 13m
Delta
Deal found 6/11![Delta logo]()
$724
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 June 15, 2026.
Search for one-way flight options from Maine to Portugal. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:45 pm
BOS
- PDL
1 stop16h 05m
TAP AIR PORTUGAL
Deal found 6/10![TAP AIR PORTUGAL logo]()
$254
This oojo deal was found by Cheapflights users on 6/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:45 pm
BOS
- PDL
1 stop10h 30m
TAP AIR PORTUGAL
Deal found 6/11![TAP AIR PORTUGAL logo]()
$256
This Booking.com deal was found by Cheapflights users on 6/12. 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.
Sun 8/2310:40 pm
BOS
- PDL
1 stop31h 05m
TAP AIR PORTUGAL
Deal found 6/12![TAP AIR PORTUGAL logo]()
$260
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 8/2410:45 pm
BOS
- PDL
1 stop12h 00m
TAP AIR PORTUGAL
Deal found 6/10![TAP AIR PORTUGAL logo]()
$264
This FlightHub deal was found by Cheapflights users on 6/12. 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 10/186:05 pm
BOS
- PDL
1 stop20h 45m
TAP AIR PORTUGAL
Deal found 6/12![TAP AIR PORTUGAL logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Mon 10/1910:45 pm
BOS
- PDL
1 stop15h 50m
TAP AIR PORTUGAL
Deal found 6/12![TAP AIR PORTUGAL logo]()
$270
This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:45 pm
BOS
- PDL
1 stop12h 15m
TAP AIR PORTUGAL
Deal found 6/10![TAP AIR PORTUGAL logo]()
$274
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 8/2410:45 pm
BOS
- TER
1 stop20h 30m
TAP AIR PORTUGAL
Deal found 6/10![TAP AIR PORTUGAL logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 10/1510:20 pm
BOS
- PDL
1 stop21h 25m
TAP AIR PORTUGAL
Deal found 6/12![TAP AIR PORTUGAL logo]()
$290
This Booking.com deal was found by Cheapflights users on 6/12. 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.
Sun 9/610:40 pm
BOS
- PDL
1 stop21h 05m
TAP AIR PORTUGAL
Deal found 6/12![TAP AIR PORTUGAL logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/238:50 pm
BOS
- FAO
2 stops31h 40m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 6/15. 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.
Sat 9/128:50 pm
BOS
- FAO
2 stops19h 25m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$301
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 June 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $476 (LEVEL) |
One-way from | $254 (oojo) |
Popular in | December |
Cheapest in | February |
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 June 15, 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
BostonLajes
BOS - TER
BOSTER
Boston Logan Intl
Tue 8/18
10:45 pm-11:15 pm
1 stop20h 30m
Lajes
Mon 8/31
7:05 am-2:45 pm
1 stop11h 40m
$679
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Wed 11/18
3:34 pm-9:05 am
1 stop12h 31m
Porto
Mon 11/23
11:15 am-12:58 am
2 stops18h 43m
$700
BostonFaro
BOS - FAO
BOSFAO
Boston Logan Intl
Tue 10/13
6:55 pm-7:30 pm
1 stop19h 35m
Faro
Tue 11/24
2:40 pm-1:25 pm
1 stop27h 45m
$715
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Sun 7/26
9:05 am-8:30 am
2 stops18h 25m
Porto
Thu 8/20
5:00 am-4:13 pm
2 stops16h 13m
$729
BostonFaro
BOS - FAO
BOSFAO
Boston Logan Intl
Sun 10/18
6:55 pm-9:10 am
1 stop33h 15m
Faro
Wed 10/28
2:40 pm-2:25 pm
1 stop27h 45m
$745
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Sun 7/26
1:35 pm-10:25 am
1 stop15h 50m
Porto
Sat 8/22
12:55 pm-10:43 pm
1 stop14h 48m
$755
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Mon 8/31
11:15 pm-10:55 am
Nonstop6h 40m
Porto
Tue 9/22
9:15 pm-8:20 pm
1 stop28h 05m
$759
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Sun 7/19
5:10 pm-8:30 am
1 stop10h 20m
Porto
Sat 8/22
5:00 am-4:13 pm
2 stops16h 13m
$784
BostonFaro
BOS - FAO
BOSFAO
Boston Logan Intl
Wed 8/5
8:05 pm-3:05 pm
1 stop14h 00m
Faro
Mon 8/17
3:55 pm-5:40 pm
1 stop30h 45m
$825
BostonFaro
BOS - FAO
BOSFAO
Boston Logan Intl
Sat 10/31
4:40 pm-1:50 pm
2 stops17h 10m
Faro
Sun 11/8
6:50 pm-3:22 pm
2 stops25h 32m
$829
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-FAO
BOS-TER
BOS-PXO
BOS-OPO
BOS-PIX
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-FAO
BOS-TER
BOS-PXO
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.
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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 June 15, 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 June 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$550 | Average$679 | FlexibilityNo cancel fee | On-time69% |