$259+ 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
Jun 25 — Jul 21
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 May 26, 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 May 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2011:35 pm
BOS
- FAO
1 stop29h 10m
Multiple Airlines
Thu 10/89:40 am
FAO
- BOS
1 stop16h 25m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$490
This Kiwi.com deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:55 pm
BOS
- FAO
1 stop14h 10m
Multiple Airlines
Tue 10/66:45 pm
FAO
- BOS
1 stop31h 20m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$493
This Kiwi.com deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:55 pm
BOS
- FAO
1 stop18h 50m
Multiple Airlines
Thu 10/81:35 pm
FAO
- BOS
1 stop12h 30m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$503
This Kiwi.com deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:55 pm
BOS
- FAO
1 stop14h 10m
Multiple Airlines
Thu 10/81:35 pm
FAO
- BOS
1 stop12h 30m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$504
This Kiwi.com deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:55 pm
BOS
- FAO
1 stop18h 50m
Multiple Airlines
Thu 10/11:35 pm
FAO
- BOS
1 stop12h 30m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$507
This Kiwi.com deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 10/710:55 pm
BOS
- FAO
1 stop14h 10m
Multiple Airlines
Thu 10/151:35 pm
FAO
- BOS
1 stop12h 30m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$514
This Kiwi.com deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:55 pm
BOS
- FAO
1 stop14h 10m
Multiple Airlines
Thu 10/11:35 pm
FAO
- BOS
1 stop12h 30m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$520
This Kiwi.com deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 10/710:55 pm
BOS
- FAO
1 stop14h 10m
Multiple Airlines
Tue 10/136:45 pm
FAO
- BOS
1 stop31h 20m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$522
This Kiwi.com deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 10/810:55 pm
BOS
- FAO
1 stop32h 05m
Multiple Airlines
Thu 10/151:35 pm
FAO
- BOS
1 stop12h 30m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$523
This Iberia deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1311:35 pm
BOS
- FAO
1 stop29h 10m
Iberia
Thu 10/19:40 am
FAO
- BOS
1 stop16h 25m
Iberia
Deal found 5/21![Iberia logo]()
$542
This oojo deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 12/26:00 pm
BOS
- TER
1 stop13h 00m
TAP AIR PORTUGAL
Thu 12/1711:50 am
TER
- BOS
1 stop30h 50m
TAP AIR PORTUGAL
Deal found 5/22![TAP AIR PORTUGAL logo]()
$607
This Scandinavian Airlines deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:35 pm
BOS
- FNC
2 stops39h 10m
Scandinavian Airlines
Tue 12/153:00 pm
FNC
- BOS
1 stop29h 40m
Scandinavian Airlines
Deal found 5/24![Scandinavian Airlines logo]()
$614
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 May 26, 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 May 26, 2026.
This United Airlines deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:40 am
BOS
- OPO
1 stop15h 20m
United Airlines
Wed 9/212:45 pm
OPO
- BOS
2 stops29h 02m
United Airlines
Deal found 5/21![United Airlines logo]()
$674
This LEVEL deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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
- FAO
1 stop29h 10m
LEVEL
Sat 7/256:25 pm
FAO
- BOS
1 stop32h 20m
LEVEL
Deal found 5/22![LEVEL logo]()
$684
This Delta deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/44:00 pm
BOS
- OPO
1 stop13h 30m
Delta
Fri 8/2812:45 pm
OPO
- BOS
1 stop13h 00m
Delta
Deal found 5/21![Delta logo]()
$696
This SWISS deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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.
Wed 8/125:20 pm
BOS
- FAO
1 stop19h 20m
SWISS
Thu 8/206:30 pm
FAO
- BOS
1 stop25h 40m
SWISS
Deal found 5/22![SWISS logo]()
$756
This TAP AIR PORTUGAL deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:00 pm
BOS
- TER
1 stop13h 00m
TAP AIR PORTUGAL
Fri 11/206:40 am
TER
- BOS
1 stop17h 15m
TAP AIR PORTUGAL
Deal found 5/25![TAP AIR PORTUGAL logo]()
$772
This Mytrip deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/85:10 am
BOS
- TER
2 stops25h 50m
Multiple Airlines
Tue 6/161:40 pm
TER
- BOS
2 stops32h 19m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$787
This Air Transat deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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.
Mon 6/86:35 pm
BOS
- OPO
1 stop12h 10m
Air Transat
Fri 6/128:25 am
OPO
- BOS
1 stop17h 30m
Air Transat
Deal found 5/22![Air Transat logo]()
$817
This KLM deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 8/1411:20 pm
BOS
- LIS
Nonstop6h 25m
KLM
Mon 8/3112:45 pm
LIS
- BOS
Nonstop7h 30m
KLM
Deal found 5/22![KLM logo]()
$860
This Virgin Atlantic deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3011:25 pm
BOS
- LIS
Nonstop6h 20m
Virgin Atlantic
Mon 8/312:45 pm
LIS
- BOS
Nonstop7h 30m
Virgin Atlantic
Deal found 5/25![Virgin Atlantic logo]()
$886
This Scandinavian Airlines deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:50 pm
BOS
- LIS
2 stops47h 15m
Scandinavian Airlines
Sun 11/17:05 am
LIS
- BOS
2 stops37h 35m
Scandinavian Airlines
Deal found 5/21![Scandinavian Airlines logo]()
$886
This British Airways deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/129:55 pm
BOS
- FNC
1 stop32h 35m
British Airways
Mon 7/276:55 pm
FNC
- BOS
1 stop30h 10m
British Airways
Deal found 5/25![British Airways logo]()
$970
This United Airlines deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:50 pm
BOS
- OPO
1 stop31h 20m
United Airlines
Wed 8/262:25 pm
OPO
- BOS
2 stops24h 23m
United Airlines
Deal found 5/21![United Airlines logo]()
$734
This LEVEL deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 stop27h 25m
LEVEL
Wed 7/292:05 pm
OPO
- BOS
1 stop12h 00m
LEVEL
Deal found 5/25![LEVEL logo]()
$738
This Mytrip deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:05 am
BOS
- HOR
3 stops44h 25m
Multiple Airlines
Wed 7/154:25 pm
HOR
- BOS
3 stops30h 50m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$792
This United Airlines deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:40 am
BOS
- OPO
1 stop15h 20m
United Airlines
Sun 8/2312:15 pm
OPO
- BOS
1 stop10h 52m
United Airlines
Deal found 5/25![United Airlines logo]()
$748
This TAP AIR PORTUGAL deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:45 pm
BOS
- TER
1 stop11h 20m
TAP AIR PORTUGAL
Wed 11/411:50 am
TER
- BOS
2 stops15h 58m
TAP AIR PORTUGAL
Deal found 5/24![TAP AIR PORTUGAL logo]()
$842
This Air Transat deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/38:10 pm
BOS
- LIS
1 stop32h 25m
Air Transat
Wed 7/88:15 am
LIS
- BOS
1 stop17h 40m
Air Transat
Deal found 5/25![Air Transat logo]()
$856
This KLM deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:20 pm
BOS
- LIS
Nonstop6h 25m
KLM
Sat 8/2912:45 pm
LIS
- BOS
Nonstop7h 30m
KLM
Deal found 5/24![KLM logo]()
$861
This Virgin Atlantic deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1611:20 pm
BOS
- LIS
Nonstop6h 25m
Virgin Atlantic
Sun 8/2312:45 pm
LIS
- BOS
Nonstop7h 30m
Virgin Atlantic
Deal found 5/25![Virgin Atlantic logo]()
$886
This Delta deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 8/149:05 am
BOS
- FAO
2 stops21h 35m
Delta
Wed 8/196:40 pm
FAO
- BOS
2 stops26h 33m
Delta
Deal found 5/22![Delta logo]()
$902
This United Airlines deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 8/193:35 pm
BOS
- OPO
1 stop10h 25m
United Airlines
Sun 8/2312:15 pm
OPO
- BOS
1 stop10h 52m
United Airlines
Deal found 5/22![United Airlines logo]()
$748
This TAP AIR PORTUGAL deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:00 pm
BOS
- TER
1 stop13h 45m
TAP AIR PORTUGAL
Wed 11/411:50 am
TER
- BOS
2 stops15h 58m
TAP AIR PORTUGAL
Deal found 5/24![TAP AIR PORTUGAL logo]()
$842
This KLM deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2211:25 pm
BOS
- LIS
Nonstop6h 20m
KLM
Wed 7/2912:45 pm
LIS
- BOS
Nonstop7h 25m
KLM
Deal found 5/24![KLM logo]()
$862
This Gotogate deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:15 pm
BOS
- HOR
1 stop16h 50m
Multiple Airlines
Fri 10/305:15 pm
HOR
- BOS
2 stops30h 45m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$867
This Virgin Atlantic deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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.
Sun 9/65:00 pm
BOS
- LIS
1 stop10h 00m
Virgin Atlantic
Sun 9/1312:45 pm
LIS
- BOS
Nonstop7h 35m
Virgin Atlantic
Deal found 5/22![Virgin Atlantic logo]()
$895
This SWISS deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/179:40 pm
BOS
- FAO
1 stop15h 00m
SWISS
Wed 6/247:05 pm
FAO
- BOS
1 stop29h 50m
SWISS
Deal found 5/24![SWISS logo]()
$986
This Delta deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 7/185:10 pm
BOS
- LIS
1 stop13h 05m
Delta
Sun 7/2612:45 pm
LIS
- BOS
Nonstop7h 25m
Delta
Deal found 5/22![Delta logo]()
$905
This United Airlines deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/63:35 pm
BOS
- OPO
1 stop10h 25m
United Airlines
Sat 9/512:10 pm
OPO
- BOS
1 stop10h 57m
United Airlines
Deal found 5/25![United Airlines logo]()
$748
This Air Transat deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/108:10 pm
BOS
- LIS
1 stop32h 25m
Air Transat
Sun 7/198:15 am
LIS
- BOS
1 stop17h 40m
Air Transat
Deal found 5/24![Air Transat logo]()
$908
This TAP AIR PORTUGAL deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:00 pm
BOS
- TER
1 stop13h 00m
TAP AIR PORTUGAL
Wed 11/411:50 am
TER
- BOS
2 stops15h 58m
TAP AIR PORTUGAL
Deal found 5/24![TAP AIR PORTUGAL logo]()
$842
Last-minute flights from Maine to PortugalDiscover last-minute flight deals from Maine to Portugal. Data last updated May 26, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to Portugal. Data last updated May 26, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 5/309:15 pm
BOS
- TER
1 stop10h 10m
Multiple Airlines
Sun 6/76:50 am
TER
- BOS
1 stop7h 30m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$806
This Gotogate deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 6/69:15 pm
BOS
- PDL
Nonstop5h 05m
Azores Airlines
Fri 6/128:35 am
PDL
- BOS
Nonstop5h 45m
Azores Airlines
Deal found 5/22![Azores Airlines logo]()
$811
This KAYAK deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/89:15 pm
BOS
- TER
Nonstop5h 05m
Multiple Airlines
Tue 6/161:00 pm
TER
- BOS
1 stop23h 30m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$639
This Cheapflightsfares deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/89:15 pm
BOS
- TER
Nonstop5h 05m
Azores Airlines
Tue 6/166:05 pm
TER
- BOS
Nonstop5h 45m
Azores Airlines
Deal found 5/26![Azores Airlines logo]()
$707
This Kiwi.com deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/1411:30 pm
BOS
- OPO
1 stop26h 40m
Multiple Airlines
Tue 11/172:10 pm
OPO
- BOS
1 stop10h 50m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$778
This Mytrip deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/155:50 am
BOS
- OPO
3 stops35h 10m
Multiple Airlines
Mon 6/229:25 pm
OPO
- BOS
3 stops26h 40m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$756
This Kiwi.com deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1611:15 am
BOS
- OPO
3 stops30h 45m
Multiple Airlines
Sun 11/155:50 pm
OPO
- BOS
Nonstop7h 55m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$759
This Kiwi.com deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/177:10 am
BOS
- OPO
2 stops33h 10m
Multiple Airlines
Tue 11/172:10 pm
OPO
- BOS
1 stop10h 50m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$733
This Kiwi.com deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/177:10 am
BOS
- OPO
2 stops33h 10m
Multiple Airlines
Thu 11/1912:40 pm
OPO
- BOS
1 stop12h 20m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$743
This Kiwi.com deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/177:10 am
BOS
- OPO
2 stops33h 10m
Multiple Airlines
Sat 11/1412:40 pm
OPO
- BOS
1 stop12h 20m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$749
This Iberia deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2910:50 pm
BOS
- OPO
1 stop12h 20m
Iberia
Wed 7/152:05 pm
OPO
- BOS
1 stop12h 00m
Iberia
Deal found 5/25![Iberia logo]()
$702
This Iberia deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2910:50 pm
BOS
- OPO
1 stop12h 20m
Iberia
Wed 7/292:05 pm
OPO
- BOS
1 stop12h 00m
Iberia
Deal found 5/25![Iberia logo]()
$744
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 May 26, 2026.
Search for one-way flight options from Maine to Portugal. Find affordable one-way fares based on user searches. Data last updated May 26, 2026.
This Booking.com deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:05 pm
BOS
- PDL
1 stop20h 45m
TAP AIR PORTUGAL
Deal found 5/24![TAP AIR PORTUGAL logo]()
$259
This Booking.com deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:45 pm
BOS
- PDL
1 stop31h 00m
TAP AIR PORTUGAL
Deal found 5/24![TAP AIR PORTUGAL logo]()
$260
This Gotogate deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:05 pm
BOS
- PDL
1 stop11h 40m
TAP AIR PORTUGAL
Deal found 5/24![TAP AIR PORTUGAL logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 pm
BOS
- PDL
1 stop20h 35m
TAP AIR PORTUGAL
Deal found 5/25![TAP AIR PORTUGAL logo]()
$271
This Booking.com deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:45 pm
BOS
- PDL
1 stop16h 00m
TAP AIR PORTUGAL
Deal found 5/24![TAP AIR PORTUGAL logo]()
$280
This FlightHub deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/510:10 pm
BOS
- PDL
1 stop16h 25m
TAP AIR PORTUGAL
Deal found 5/25![TAP AIR PORTUGAL logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/610:10 pm
BOS
- PDL
1 stop16h 25m
TAP AIR PORTUGAL
Deal found 5/25![TAP AIR PORTUGAL logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/1410:05 am
BOS
- FAO
2 stops46h 30m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/68:50 pm
BOS
- FAO
3 stops21h 25m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1811:35 pm
BOS
- FNC
2 stops38h 40m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:35 pm
BOS
- FNC
2 stops38h 40m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/58:50 pm
BOS
- FAO
3 stops44h 55m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$337
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 May 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $490 (Kiwi.com) |
One-way from | $259 (Booking.com) |
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 May 26, 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 - OPO
BOSOPO
Boston Logan Intl
Wed 8/19
10:40 am-7:00 am
1 stop15h 20m
Porto
Wed 9/2
12:45 pm-12:47 pm
2 stops29h 02m
$674
BostonFaro
BOS - FAO
BOSFAO
Boston Logan Intl
Sun 7/12
11:35 pm-9:45 am
1 stop29h 10m
Faro
Sat 7/25
6:25 pm-9:45 pm
1 stop32h 20m
$684
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Tue 8/4
4:00 pm-10:30 am
1 stop13h 30m
Porto
Fri 8/28
12:45 pm-8:45 pm
1 stop13h 00m
$696
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Thu 8/13
6:50 pm-7:10 am
1 stop31h 20m
Porto
Wed 8/26
2:25 pm-9:48 am
2 stops24h 23m
$734
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Sun 7/12
11:35 pm-8:00 am
1 stop27h 25m
Porto
Wed 7/29
2:05 pm-9:05 pm
1 stop12h 00m
$738
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Wed 8/12
10:40 am-7:00 am
1 stop15h 20m
Porto
Sun 8/23
12:15 pm-6:07 pm
1 stop10h 52m
$748
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Wed 8/19
3:35 pm-7:00 am
1 stop10h 25m
Porto
Sun 8/23
12:15 pm-6:07 pm
1 stop10h 52m
$748
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Mon 7/6
3:35 pm-7:00 am
1 stop10h 25m
Porto
Sat 9/5
12:10 pm-6:07 pm
1 stop10h 57m
$748
BostonFaro
BOS - FAO
BOSFAO
Boston Logan Intl
Wed 8/12
5:20 pm-5:40 pm
1 stop19h 20m
Faro
Thu 8/20
6:30 pm-3:10 pm
1 stop25h 40m
$756
BostonLajes
BOS - TER
BOSTER
Boston Logan Intl
Mon 11/16
6:00 pm-11:00 am
1 stop13h 00m
Lajes
Fri 11/20
6:40 am-7:55 pm
1 stop17h 15m
$772
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-PDL
BOS-FAO
BOS-LIS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Maine to Portugal
USME-PT0
BOS-TER
BOS-OPO
BOS-PDL
BOS-FAO
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 May 26, 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 May 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$550 | Average$721 | FlexibilityNo cancel fee | On-time69% |