$260+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LIS
juin 26 — juil. 31
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Maine to Portugal with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Maine to Portugal
Cheapest
Best
Last-minute
One-way
Cheapest flights from Maine to PortugalExplore the most affordable flight options available from Maine to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mai 27, 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 mai 27, 2026.
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.
mer. 8/1210:55 pm
BOS
- FAO
1 stop14h 10m
Multiple Airlines
mer. 8/196:45 am
FAO
- BOS
2 stops19h 20m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$570
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.
dim. 10/1111:35 pm
BOS
- FAO
1 stop29h 10m
LEVEL
dim. 10/1812:05 pm
FAO
- BOS
1 stop14h 40m
LEVEL
Deal found 5/25![LEVEL logo]()
$572
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.
mer. 12/26:00 pm
BOS
- TER
1 stop13h 00m
TAP AIR PORTUGAL
jeu. 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.
jeu. 12/35:35 pm
BOS
- FNC
2 stops39h 10m
Scandinavian Airlines
mar. 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 5/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/110:45 pm
BOS
- TER
1 stop11h 20m
TAP AIR PORTUGAL
ven. 12/186:40 am
TER
- BOS
1 stop12h 00m
TAP AIR PORTUGAL
Deal found 5/22![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.
jeu. 12/35:35 pm
BOS
- FNC
2 stops39h 10m
Scandinavian Airlines
sam. 12/124:25 pm
FNC
- BOS
1 stop28h 15m
Scandinavian Airlines
Deal found 5/24![Scandinavian Airlines logo]()
$630
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/110:45 pm
BOS
- TER
1 stop11h 20m
TAP AIR PORTUGAL
mer. 12/1611:50 am
TER
- BOS
1 stop30h 50m
TAP AIR PORTUGAL
Deal found 5/22![TAP AIR PORTUGAL logo]()
$633
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.
dim. 9/1311:35 pm
BOS
- FAO
1 stop29h 10m
Iberia
jeu. 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.
lun. 6/89:15 pm
BOS
- TER
Nonstop5h 05m
Multiple Airlines
mar. 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.
mar. 11/2410:45 pm
BOS
- TER
1 stop11h 20m
TAP AIR PORTUGAL
mar. 12/111:50 am
TER
- BOS
1 stop30h 50m
TAP AIR PORTUGAL
Deal found 5/24![TAP AIR PORTUGAL logo]()
$642
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 12/310:10 pm
BOS
- TER
1 stop32h 50m
TAP AIR PORTUGAL
jeu. 12/1711:50 am
TER
- BOS
1 stop12h 05m
TAP AIR PORTUGAL
Deal found 5/22![TAP AIR PORTUGAL logo]()
$646
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.
lun. 10/267:00 pm
BOS
- TER
1 stop13h 00m
TAP AIR PORTUGAL
lun. 11/26:40 am
TER
- BOS
1 stop12h 00m
TAP AIR PORTUGAL
Deal found 5/24![TAP AIR PORTUGAL logo]()
$649
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 mai 27, 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 mai 27, 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.
dim. 10/1111:35 pm
BOS
- FAO
1 stop29h 10m
LEVEL
dim. 10/1812:05 pm
FAO
- BOS
1 stop14h 40m
LEVEL
Deal found 5/25![LEVEL logo]()
$572
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.
lun. 8/177:00 pm
BOS
- OPO
1 stop30h 15m
United Airlines
dim. 8/2312:15 pm
OPO
- BOS
1 stop26h 35m
United Airlines
Deal found 5/25![United Airlines logo]()
$731
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.
mer. 8/510:45 pm
BOS
- TER
1 stop20h 30m
TAP AIR PORTUGAL
mer. 8/192:10 pm
TER
- BOS
1 stop28h 35m
TAP AIR PORTUGAL
Deal found 5/26![TAP AIR PORTUGAL logo]()
$753
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.
mer. 8/194:45 pm
BOS
- FAO
1 stop16h 15m
KLM
mer. 9/308:50 am
FAO
- BOS
2 stops19h 20m
KLM
Deal found 5/27![KLM 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.
mer. 6/106:35 pm
BOS
- OPO
1 stop12h 20m
Air Transat
sam. 6/131:30 pm
OPO
- BOS
1 stop24h 35m
Air Transat
Deal found 5/22![Air Transat logo]()
$822
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.
mar. 6/910:05 am
BOS
- TER
2 stops31h 55m
Multiple Airlines
mar. 6/167:25 am
TER
- BOS
3 stops18h 02m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$835
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 8/1411:20 pm
BOS
- LIS
Nonstop6h 25m
Delta
lun. 8/3112:45 pm
LIS
- BOS
Nonstop7h 30m
Delta
Deal found 5/26![Delta logo]()
$860
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 10/115:20 pm
BOS
- FAO
2 stops13h 55m
SWISS
dim. 10/188:30 am
FAO
- BOS
2 stops35h 40m
SWISS
Deal found 5/25![SWISS logo]()
$884
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.
dim. 7/1211:25 pm
BOS
- LIS
Nonstop6h 20m
Virgin Atlantic
dim. 7/1912:45 pm
LIS
- BOS
Nonstop7h 25m
Virgin Atlantic
Deal found 5/25![Virgin Atlantic logo]()
$886
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/137:25 am
BOS
- FNC
1 stop23h 05m
British Airways
lun. 7/276:55 pm
FNC
- BOS
1 stop32h 40m
British Airways
Deal found 5/23![British Airways logo]()
$970
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 7/128:00 am
BOS
- OPO
1 stop20h 45m
United Airlines
dim. 9/2012:15 pm
OPO
- BOS
1 stop26h 35m
United Airlines
Deal found 5/24![United Airlines logo]()
$731
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.
ven. 11/138:55 pm
BOS
- FAO
1 stop11h 55m
KLM
sam. 11/219:25 am
FAO
- BOS
1 stop33h 00m
KLM
Deal found 5/24![KLM logo]()
$815
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 8/193:35 pm
BOS
- OPO
1 stop10h 25m
United Airlines
dim. 8/2312:15 pm
OPO
- BOS
1 stop14h 12m
United Airlines
Deal found 5/26![United Airlines logo]()
$748
This Air Transat 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 Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 7/510:05 am
BOS
- OPO
1 stop20h 40m
Air Transat
lun. 7/201:30 pm
OPO
- BOS
1 stop24h 35m
Air Transat
Deal found 5/23![Air Transat logo]()
$849
This TAP AIR PORTUGAL 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 11/186:00 pm
BOS
- FNC
1 stop11h 10m
TAP AIR PORTUGAL
dim. 11/228:45 am
FNC
- BOS
1 stop17h 00m
TAP AIR PORTUGAL
Deal found 5/26![TAP AIR PORTUGAL logo]()
$870
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 8/195:10 pm
BOS
- LIS
1 stop10h 40m
Delta
mer. 8/2612:45 pm
LIS
- BOS
Nonstop7h 30m
Delta
Deal found 5/24![Delta logo]()
$880
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.
lun. 7/135:10 pm
BOS
- LIS
1 stop13h 05m
Multiple Airlines
mer. 8/512:45 pm
LIS
- BOS
Nonstop7h 30m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$881
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.
sam. 10/314:40 pm
BOS
- FAO
2 stops17h 10m
KLM
dim. 11/82:40 pm
FAO
- BOS
1 stop27h 45m
KLM
Deal found 5/27![KLM logo]()
$820
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 11/16:00 am
PWM
- LIS
1 stop21h 10m
United Airlines
jeu. 11/51:00 pm
LIS
- PWM
2 stops38h 57m
United Airlines
Deal found 5/24![United Airlines logo]()
$780
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 7/225:10 pm
BOS
- LIS
1 stop13h 05m
Delta
jeu. 8/612:45 pm
LIS
- BOS
Nonstop7h 30m
Delta
Deal found 5/24![Delta logo]()
$881
This TAP AIR PORTUGAL 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/276:05 pm
BOS
- TER
1 stop12h 55m
TAP AIR PORTUGAL
mer. 8/57:15 am
TER
- BOS
1 stop11h 30m
TAP AIR PORTUGAL
Deal found 5/23![TAP AIR PORTUGAL logo]()
$890
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 8/2111:45 am
BOS
- FNC
1 stop19h 40m
Multiple Airlines
dim. 8/3011:40 pm
FNC
- BOS
1 stop25h 40m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$897
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 9/207:00 pm
BOS
- FAO
1 stop33h 10m
KLM
dim. 10/49:20 am
FAO
- BOS
1 stop32h 55m
KLM
Deal found 5/23![KLM logo]()
$836
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 8/1611:20 pm
BOS
- LIS
Nonstop6h 25m
Delta
dim. 8/2312:45 pm
LIS
- BOS
Nonstop7h 30m
Delta
Deal found 5/25![Delta logo]()
$886
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.
lun. 8/105:10 pm
BOS
- LIS
1 stop13h 05m
Multiple Airlines
lun. 8/1712:45 pm
LIS
- BOS
Nonstop7h 30m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$905
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.
mar. 8/2510:45 pm
BOS
- TER
1 stop20h 30m
TAP AIR PORTUGAL
mer. 9/27:15 am
TER
- BOS
2 stops27h 54m
TAP AIR PORTUGAL
Deal found 5/25![TAP AIR PORTUGAL logo]()
$912
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 7/118:27 pm
BOS
- OPO
1 stop32h 18m
United Airlines
mer. 7/2211:20 am
OPO
- BOS
1 stop27h 30m
United Airlines
Deal found 5/23![United Airlines logo]()
$831
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.
mer. 9/98:25 pm
BOS
- FAO
1 stop29h 45m
KLM
mer. 10/148:50 am
FAO
- BOS
1 stop14h 40m
KLM
Deal found 5/27![KLM logo]()
$841
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.
jeu. 7/235:10 pm
BOS
- LIS
1 stop13h 05m
Multiple Airlines
dim. 8/212:45 pm
LIS
- BOS
Nonstop7h 30m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$905
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.
mar. 7/213:35 pm
BOS
- OPO
1 stop10h 25m
United Airlines
jeu. 8/611:50 am
OPO
- BOS
2 stops28h 26m
United Airlines
Deal found 5/27![United Airlines logo]()
$834
Last-minute flights from Maine to PortugalDiscover last-minute flight deals from Maine to Portugal. Data last updated mai 27, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to Portugal. Data last updated mai 27, 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.
sam. 6/69:15 pm
BOS
- PDL
Nonstop5h 05m
Azores Airlines
ven. 6/128:35 am
PDL
- BOS
Nonstop5h 45m
Azores Airlines
Deal found 5/22![Azores Airlines logo]()
$811
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 6/69:15 pm
BOS
- PDL
Nonstop5h 05m
Azores Airlines
lun. 6/156:05 pm
PDL
- BOS
Nonstop5h 45m
Azores Airlines
Deal found 5/25![Azores Airlines logo]()
$832
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.
mar. 6/97:40 pm
BOS
- FNC
1 stop14h 45m
Multiple Airlines
sam. 6/135:35 am
FNC
- BOS
2 stops32h 30m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$819
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.
mer. 6/106:35 pm
BOS
- LIS
1 stop11h 40m
Multiple Airlines
mer. 6/1710:40 am
LIS
- BOS
1 stop11h 55m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$843
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.
dim. 6/1411:30 pm
BOS
- OPO
1 stop26h 40m
Multiple Airlines
mar. 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.
mar. 6/1611:15 am
BOS
- OPO
3 stops30h 45m
Multiple Airlines
dim. 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.
mer. 6/177:10 am
BOS
- OPO
2 stops33h 10m
Multiple Airlines
mar. 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.
mer. 6/177:10 am
BOS
- OPO
2 stops33h 10m
Multiple Airlines
jeu. 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.
mer. 6/177:10 am
BOS
- OPO
2 stops33h 10m
Multiple Airlines
dim. 11/1512:40 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 5/26. 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.
lun. 6/2910:50 pm
BOS
- OPO
1 stop12h 20m
Iberia
mer. 7/152:05 pm
OPO
- BOS
1 stop12h 00m
Iberia
Deal found 5/26![Iberia logo]()
$697
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.
lun. 6/2910:50 pm
BOS
- OPO
1 stop12h 20m
Iberia
mer. 7/292:05 pm
OPO
- BOS
1 stop12h 00m
Iberia
Deal found 5/25![Iberia logo]()
$744
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.
lun. 6/2910:50 pm
BOS
- OPO
1 stop12h 20m
Multiple Airlines
lun. 7/610:25 pm
OPO
- BOS
2 stops25h 50m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$786
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 mai 27, 2026.
Search for one-way flight options from Maine to Portugal. Find affordable one-way fares based on user searches. Data last updated mai 27, 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.
mar. 8/2510:45 pm
BOS
- PDL
1 stop31h 00m
TAP AIR PORTUGAL
Deal found 5/24![TAP AIR PORTUGAL logo]()
$260
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.
mer. 10/218:50 pm
BOS
- FAO
3 stops18h 35m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$291
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/286:05 pm
BOS
- PDL
1 stop15h 10m
TAP AIR PORTUGAL
Deal found 5/26![TAP AIR PORTUGAL logo]()
$294
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.
mer. 10/288:50 pm
BOS
- FAO
3 stops21h 50m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$298
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 7/87:10 am
BOS
- PDL
1 stop21h 00m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$299
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.
lun. 8/246:05 pm
BOS
- PDL
1 stop11h 40m
TAP AIR PORTUGAL
Deal found 5/25![TAP AIR PORTUGAL logo]()
$304
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 8/710:05 am
BOS
- PDL
1 stop19h 30m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$306
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.
sam. 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 5/27. 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.
ven. 8/2111:10 am
BOS
- PDL
1 stop18h 25m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$312
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 8/2010:20 pm
BOS
- PDL
1 stop31h 25m
TAP AIR PORTUGAL
Deal found 5/26![TAP AIR PORTUGAL logo]()
$315
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 8/810:45 pm
BOS
- PDL
1 stop21h 00m
TAP AIR PORTUGAL
Deal found 5/26![TAP AIR PORTUGAL logo]()
$316
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.
dim. 6/1410:05 am
BOS
- FAO
2 stops46h 30m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$316
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 mai 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $570 (Kiwi.com) |
One-way from | $260 (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 mai 27, 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
dim. 10/11
11:35 pm-9:45 am
1 stop29h 10m
Faro
dim. 10/18
12:05 pm-9:45 pm
1 stop14h 40m
$572
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
lun. 8/17
7:00 pm-6:15 am
1 stop30h 15m
Porto
dim. 8/23
12:15 pm-9:50 am
1 stop26h 35m
$731
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
dim. 7/12
8:00 am-9:45 am
1 stop20h 45m
Porto
dim. 9/20
12:15 pm-9:50 am
1 stop26h 35m
$731
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
mer. 8/19
3:35 pm-7:00 am
1 stop10h 25m
Porto
dim. 8/23
12:15 pm-9:27 pm
1 stop14h 12m
$748
BostonLajes
BOS - TER
BOSTER
Boston Logan Intl
mer. 8/5
10:45 pm-11:15 pm
1 stop20h 30m
Lajes
mer. 8/19
2:10 pm-2:45 pm
1 stop28h 35m
$753
PortlandLisbon
PWM - LIS
PWMLIS
Portland
dim. 11/1
6:00 am-8:10 am
1 stop21h 10m
Lisbon Humberto Delgado
jeu. 11/5
1:00 pm-10:57 pm
2 stops38h 57m
$780
BostonFaro
BOS - FAO
BOSFAO
Boston Logan Intl
mer. 8/19
4:45 pm-2:00 pm
1 stop16h 15m
Faro
mer. 9/30
8:50 am-11:10 pm
2 stops19h 20m
$787
BostonFaro
BOS - FAO
BOSFAO
Boston Logan Intl
ven. 11/13
8:55 pm-1:50 pm
1 stop11h 55m
Faro
sam. 11/21
9:25 am-1:25 pm
1 stop33h 00m
$815
BostonFaro
BOS - FAO
BOSFAO
Boston Logan Intl
sam. 10/31
4:40 pm-1:50 pm
2 stops17h 10m
Faro
dim. 11/8
2:40 pm-1:25 pm
1 stop27h 45m
$820
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
mer. 6/10
6:35 pm-11:55 am
1 stop12h 20m
Porto
sam. 6/13
1:30 pm-9:05 am
1 stop24h 35m
$822
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-OPO
BOS-PDL
BOS-FNC
BOS-LIS
BOS-FAO
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-OPO
BOS-PDL
BOS-FNC
BOS-LIS
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Maine to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
Top regions
Alternative routes for Maine to Portugal
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Portugal by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Maine to Portugal by cabin class
Find flights from Maine to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Maine and Portugal flights
Browse other Maine and Portugal flight options. Last updated on mai 27, 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 mai 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$550 | Average$721 | FlexibilityNo cancel fee | On-time69% |