$255+ 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 28 — Jul 51
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 29, 2026.
Explore the most affordable flight options available from Maine to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 29, 2026.
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 10/1111:35 pm
BOS
- FAO
1 stop29h 10m
LEVEL
Sun 10/1812:05 pm
FAO
- BOS
1 stop14h 40m
LEVEL
Deal found 5/25![LEVEL logo]()
$572
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
This FlightHub deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:35 pm
BOS
- FNC
1 stop15h 35m
Scandinavian Airlines
Tue 11/243:55 pm
FNC
- BOS
2 stops52h 45m
Scandinavian Airlines
Deal found 5/27![Scandinavian Airlines logo]()
$618
This oojo 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 oojo 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
Mon 11/22:55 pm
TER
- BOS
1 stop33h 50m
TAP AIR PORTUGAL
Deal found 5/25![TAP AIR PORTUGAL logo]()
$626
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
Sat 12/124:25 pm
FNC
- BOS
1 stop28h 15m
Scandinavian Airlines
Deal found 5/24![Scandinavian Airlines logo]()
$630
This oojo deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo 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
Tue 11/311:50 am
TER
- BOS
1 stop30h 50m
TAP AIR PORTUGAL
Deal found 5/28![TAP AIR PORTUGAL logo]()
$638
This Iberia 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 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 9/249:40 am
FAO
- BOS
1 stop16h 25m
Iberia
Deal found 5/26![Iberia logo]()
$638
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 oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2410:45 pm
BOS
- TER
1 stop11h 20m
TAP AIR PORTUGAL
Tue 12/111:50 am
TER
- BOS
1 stop30h 50m
TAP AIR PORTUGAL
Deal found 5/24![TAP AIR PORTUGAL logo]()
$642
This LEVEL deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/611:35 pm
BOS
- FAO
1 stop29h 10m
LEVEL
Sun 9/2012:05 pm
FAO
- BOS
1 stop14h 40m
LEVEL
Deal found 5/28![LEVEL logo]()
$644
This Scandinavian Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/105:35 pm
BOS
- FNC
2 stops39h 10m
Scandinavian Airlines
Tue 12/153:00 pm
FNC
- BOS
1 stop29h 40m
Scandinavian Airlines
Deal found 5/27![Scandinavian Airlines logo]()
$647
This FlightHub 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 FlightHub 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
Mon 11/22:55 pm
TER
- BOS
1 stop33h 50m
TAP AIR PORTUGAL
Deal found 5/24![TAP AIR PORTUGAL logo]()
$652
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 29, 2026.
Discover carefully curated flight deals from Maine to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 29, 2026.
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 10/1111:35 pm
BOS
- FAO
1 stop29h 10m
LEVEL
Sun 10/1812:05 pm
FAO
- BOS
1 stop14h 40m
LEVEL
Deal found 5/25![LEVEL logo]()
$572
This Scandinavian Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:35 pm
BOS
- FNC
2 stops16h 30m
Scandinavian Airlines
Tue 11/243:55 pm
FNC
- BOS
2 stops52h 45m
Scandinavian Airlines
Deal found 5/27![Scandinavian Airlines logo]()
$654
This United Airlines deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/105:45 am
BOS
- OPO
2 stops20h 15m
United Airlines
Wed 8/2611:20 am
OPO
- BOS
2 stops27h 28m
United Airlines
Deal found 5/28![United Airlines logo]()
$679
This TAP AIR PORTUGAL deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 11/2011:50 am
TER
- BOS
1 stop12h 05m
TAP AIR PORTUGAL
Deal found 5/28![TAP AIR PORTUGAL logo]()
$772
This KLM deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:55 pm
BOS
- FAO
1 stop11h 55m
KLM
Sat 11/219:25 am
FAO
- BOS
1 stop33h 00m
KLM
Deal found 5/27![KLM logo]()
$815
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:40 pm
BOS
- FAO
2 stops14h 55m
SWISS
Mon 10/51:05 pm
FAO
- BOS
2 stops31h 05m
SWISS
Deal found 5/26![SWISS logo]()
$824
This Delta deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2011:25 pm
BOS
- LIS
Nonstop6h 20m
Delta
Tue 8/412:45 pm
LIS
- BOS
Nonstop7h 30m
Delta
Deal found 5/28![Delta logo]()
$862
This KLM deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:10 pm
BOS
- LIS
1 stop13h 05m
Multiple Airlines
Wed 8/1212:45 pm
LIS
- BOS
Nonstop7h 30m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$881
This Air Transat deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2310:05 am
BOS
- OPO
1 stop20h 40m
Air Transat
Tue 8/48:25 am
OPO
- BOS
1 stop17h 30m
Air Transat
Deal found 5/27![Air Transat logo]()
$895
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 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/258:27 pm
BOS
- OPO
1 stop29h 28m
United Airlines
Sat 9/1912:20 pm
OPO
- BOS
1 stop31h 21m
United Airlines
Deal found 5/27![United Airlines logo]()
$731
This Cheapflightsfares deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:15 pm
BOS
- FNC
1 stop17h 35m
TAP AIR PORTUGAL
Mon 9/149:55 pm
FNC
- BOS
1 stop21h 50m
TAP AIR PORTUGAL
Deal found 5/28![TAP AIR PORTUGAL logo]()
$808
This KLM 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 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
1 stop23h 35m
KLM
Deal found 5/25![KLM logo]()
$820
This United Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Sun 8/2312:15 pm
OPO
- BOS
1 stop10h 52m
United Airlines
Deal found 5/27![United Airlines logo]()
$748
This Scandinavian 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:35 pm
BOS
- LIS
2 stops19h 20m
Multiple Airlines
Fri 10/307:05 am
LIS
- BOS
2 stops19h 21m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$882
This Delta deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/811:25 pm
BOS
- LIS
Nonstop6h 20m
Delta
Fri 10/1612:45 pm
LIS
- BOS
Nonstop7h 40m
Delta
Deal found 5/27![Delta logo]()
$886
This KLM 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 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 10/46:55 pm
FAO
- BOS
1 stop23h 20m
KLM
Deal found 5/25![KLM logo]()
$836
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 United Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 am
PWM
- LIS
1 stop21h 10m
United Airlines
Thu 11/51:00 pm
LIS
- PWM
2 stops37h 27m
United Airlines
Deal found 5/27![United Airlines logo]()
$780
This Air Transat 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 Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/196:35 pm
BOS
- OPO
1 stop12h 10m
Air Transat
Thu 7/91:30 pm
OPO
- BOS
1 stop24h 35m
Air Transat
Deal found 5/26![Air Transat logo]()
$954
This Gotogate deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2610:40 pm
BOS
- PDL
1 stop21h 05m
Multiple Airlines
Fri 7/318:35 am
PDL
- BOS
Nonstop5h 45m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$889
This Delta deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/611:25 pm
BOS
- LIS
Nonstop6h 20m
Delta
Thu 10/1510:00 am
LIS
- BOS
1 stop13h 27m
Delta
Deal found 5/27![Delta logo]()
$907
This KLM deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:00 pm
BOS
- FAO
1 stop33h 10m
KLM
Sun 10/49:20 am
FAO
- BOS
1 stop32h 55m
KLM
Deal found 5/27![KLM logo]()
$836
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.
Sat 10/246:05 pm
BOS
- TER
1 stop13h 55m
TAP AIR PORTUGAL
Wed 11/411:50 am
TER
- BOS
2 stops15h 58m
TAP AIR PORTUGAL
Deal found 5/24![TAP AIR PORTUGAL logo]()
$862
This United Airlines deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/162:16 pm
BOS
- OPO
2 stops14h 14m
United Airlines
Fri 11/2012:35 pm
OPO
- BOS
2 stops17h 27m
United Airlines
Deal found 5/28![United Airlines logo]()
$805
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/139:45 pm
BOS
- LIS
1 stop12h 10m
Multiple Airlines
Mon 7/2012:45 pm
LIS
- BOS
Nonstop7h 25m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$905
This Delta deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/39:29 pm
BOS
- OPO
1 stop31h 51m
Delta
Thu 7/169:25 am
OPO
- BOS
2 stops18h 18m
Delta
Deal found 5/27![Delta logo]()
$936
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:25 pm
BOS
- LIS
Nonstop6h 20m
KLM
Fri 9/1812:45 pm
LIS
- BOS
Nonstop7h 35m
KLM
Deal found 5/26![KLM logo]()
$860
This TAP AIR PORTUGAL deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:00 pm
BOS
- FNC
1 stop18h 10m
TAP AIR PORTUGAL
Sun 11/228:45 am
FNC
- BOS
1 stop17h 00m
TAP AIR PORTUGAL
Deal found 5/27![TAP AIR PORTUGAL logo]()
$870
This United Airlines deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:50 pm
BOS
- OPO
1 stop31h 10m
United Airlines
Tue 8/1112:15 pm
OPO
- BOS
2 stops28h 02m
United Airlines
Deal found 5/28![United Airlines logo]()
$834
Last-minute flights from Maine to PortugalDiscover last-minute flight deals from Maine to Portugal. Data last updated May 29, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to Portugal. Data last updated May 29, 2026 and is based on user searches.
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 Mytrip deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/104:45 pm
BOS
- OPO
2 stops18h 25m
Multiple Airlines
Wed 6/179:00 am
OPO
- BOS
3 stops34h 45m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$735
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 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 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
Sun 11/155:50 pm
OPO
- BOS
Nonstop7h 55m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$761
This Kiwi.com deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2811:30 pm
BOS
- OPO
1 stop13h 15m
Multiple Airlines
Wed 7/1512:00 pm
OPO
- BOS
1 stop14h 05m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$727
This Iberia deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” 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 stop10h 25m
Iberia
Wed 7/292:05 pm
OPO
- BOS
1 stop12h 00m
Iberia
Deal found 5/29![Iberia logo]()
$685
This Iberia 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 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 5/26![Iberia logo]()
$697
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 29, 2026.
Search for one-way flight options from Maine to Portugal. Find affordable one-way fares based on user searches. Data last updated May 29, 2026.
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:05 pm
BOS
- PDL
1 stop11h 40m
TAP AIR PORTUGAL
Deal found 5/26![TAP AIR PORTUGAL logo]()
$255
This Booking.com deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 stop15h 55m
TAP AIR PORTUGAL
Deal found 5/28![TAP AIR PORTUGAL logo]()
$257
This Booking.com deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:05 pm
BOS
- PDL
1 stop25h 40m
TAP AIR PORTUGAL
Deal found 5/28![TAP AIR PORTUGAL logo]()
$258
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:00 pm
BOS
- PDL
1 stop25h 45m
TAP AIR PORTUGAL
Deal found 5/25![TAP AIR PORTUGAL logo]()
$263
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.
Thu 10/1510:20 pm
BOS
- PDL
1 stop21h 25m
TAP AIR PORTUGAL
Deal found 5/24![TAP AIR PORTUGAL logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:50 pm
BOS
- FAO
3 stops18h 35m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$291
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:20 pm
BOS
- TER
1 stop10h 35m
TAP AIR PORTUGAL
Deal found 5/24![TAP AIR PORTUGAL logo]()
$297
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.
Wed 10/288:50 pm
BOS
- FAO
3 stops21h 50m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$298
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.
Sat 9/58:50 pm
BOS
- FAO
3 stops19h 35m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$307
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 Cheapflightsfares deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:15 pm
BOS
- TER
Nonstop5h 05m
Azores Airlines
Deal found 5/28![Azores Airlines logo]()
$325
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 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $572 (LEVEL) |
One-way from | $255 (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 May 29, 2026.
Use the filters below to find and compare flights from Maine to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonFaro
BOS - FAO
BOSFAO
Boston Logan Intl
Sun 10/11
11:35 pm-9:45 am
1 stop29h 10m
Faro
Sun 10/18
12:05 pm-9:45 pm
1 stop14h 40m
$572
BostonFunchal
BOS - FNC
BOSFNC
Boston Logan Intl
Mon 11/16
5:35 pm-3:05 pm
2 stops16h 30m
Funchal Madeira
Tue 11/24
3:55 pm-3:40 pm
2 stops52h 45m
$654
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Mon 8/10
5:45 am-7:00 am
2 stops20h 15m
Porto
Wed 8/26
11:20 am-9:48 am
2 stops27h 28m
$679
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Sat 7/25
8:27 pm-6:55 am
1 stop29h 28m
Porto
Sat 9/19
12:20 pm-2:41 pm
1 stop31h 21m
$731
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Wed 8/19
10:40 am-7:00 am
1 stop15h 20m
Porto
Sun 8/23
12:15 pm-6:07 pm
1 stop10h 52m
$748
BostonLajes
BOS - TER
BOSTER
Boston Logan Intl
Mon 11/16
6:00 pm-11:00 am
1 stop13h 00m
Lajes
Fri 11/20
11:50 am-7:55 pm
1 stop12h 05m
$772
PortlandLisbon
PWM - LIS
PWMLIS
Portland
Sun 11/1
6:00 am-8:10 am
1 stop21h 10m
Lisbon Humberto Delgado
Thu 11/5
1:00 pm-9:27 pm
2 stops37h 27m
$780
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Mon 11/16
2:16 pm-9:30 am
2 stops14h 14m
Porto
Fri 11/20
12:35 pm-1:02 am
2 stops17h 27m
$805
BostonFunchal
BOS - FNC
BOSFNC
Boston Logan Intl
Wed 9/9
11:15 pm-9:50 pm
1 stop17h 35m
Funchal Madeira
Mon 9/14
9:55 pm-2:45 pm
1 stop21h 50m
$808
BostonFaro
BOS - FAO
BOSFAO
Boston Logan Intl
Fri 11/13
8:55 pm-1:50 pm
1 stop11h 55m
Faro
Sat 11/21
9:25 am-1:25 pm
1 stop33h 00m
$815
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-PDL
BOS-FAO
BOS-LIS
BOS-OPO
PWM-LIS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Maine to Portugal
USME-PT0
BOS-PDL
BOS-FAO
BOS-LIS
BOS-OPO
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Maine to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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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 29, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Portugal
Find the right flight back to Maine after your stay in Portugal
Maine to Portugal flights
Consider these flights traveling from Maine to Portugal.
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top airline flying from Maine to Portugal
Discover the top airline that operate flights from Maine to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$550 | Average$721 | FlexibilityNo cancel fee | On-time69% |