$247+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LIS
Jul 31 — Aug 71
Round-trip
1 adult, Economy
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Find cheap flights from Maine to Portugal with Cheapflights
1. Tell us where you want to go
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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 July 1, 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 July 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/26. 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.
Sun 10/411:35 pm
BOS
- FAO
1 stop29h 10m
Multiple Airlines
Thu 10/159:40 am
FAO
- BOS
1 stop16h 25m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$506
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 10/710:55 pm
BOS
- FAO
1 stop14h 10m
Multiple Airlines
Thu 10/151:35 pm
FAO
- BOS
1 stop12h 30m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$538
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 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
Wed 9/306:45 am
FAO
- BOS
2 stops19h 20m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$547
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 10/710:55 pm
BOS
- FAO
1 stop14h 10m
Multiple Airlines
Wed 10/146:45 am
FAO
- BOS
2 stops19h 20m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$548
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 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 10/11:35 pm
FAO
- BOS
1 stop12h 30m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$549
This Mytrip deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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.
Thu 8/204:55 pm
BOS
- FAO
2 stops23h 40m
Multiple Airlines
Thu 9/38:45 pm
FAO
- BOS
2 stops24h 18m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$560
This FlightHub deal was found by Cheapflights users on 6/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:25 pm
BOS
- SMA
1 stop14h 00m
Multiple Airlines
Mon 11/236:45 pm
SMA
- BOS
2 stops29h 15m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$562
This Cheapflightsfares deal was found by Cheapflights users on 6/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:25 pm
BOS
- TER
Nonstop4h 55m
Azores Airlines
Tue 11/175:50 pm
TER
- BOS
Nonstop6h 10m
Azores Airlines
Deal found 6/29![Azores Airlines logo]()
$562
This FlightHub deal was found by Cheapflights users on 6/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:25 pm
BOS
- TER
1 stop12h 55m
Multiple Airlines
Tue 11/175:50 pm
TER
- BOS
Nonstop6h 10m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$571
This FlightHub deal was found by Cheapflights users on 6/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/149:25 pm
BOS
- PIX
2 stops8h 30m
Multiple Airlines
Wed 11/185:30 pm
PIX
- BOS
2 stops54h 30m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$580
This FlightHub deal was found by Cheapflights users on 6/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:25 pm
BOS
- SJZ
2 stops38h 35m
Multiple Airlines
Sat 11/710:30 am
SJZ
- BOS
2 stops37h 30m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$580
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 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
2 stops19h 25m
Multiple Airlines
Thu 9/179:40 am
FAO
- BOS
1 stop16h 25m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$580
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 July 1, 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 July 1, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 6/29. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:35 pm
BOS
- FNC
2 stops40h 30m
Scandinavian Airlines
Sat 11/73:35 pm
FNC
- BOS
2 stops29h 05m
Scandinavian Airlines
Deal found 6/29![Scandinavian Airlines logo]()
$710
This United Airlines deal was found by Cheapflights users on 6/26. 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.
Mon 8/178:31 pm
BOS
- FNC
2 stops30h 34m
United Airlines
Wed 9/29:40 am
FNC
- BOS
2 stops28h 56m
United Airlines
Deal found 6/26![United Airlines logo]()
$740
This Mytrip deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 9/96:05 pm
BOS
- TER
1 stop25h 10m
Multiple Airlines
Wed 9/166:10 pm
TER
- BOS
3 stops27h 32m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$749
This Delta deal was found by Cheapflights users on 6/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:15 pm
PWM
- OPO
2 stops18h 10m
Delta
Fri 10/2311:25 am
OPO
- PWM
2 stops17h 45m
Delta
Deal found 6/29![Delta logo]()
$778
This TAP AIR PORTUGAL deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 9/296:05 pm
BOS
- TER
1 stop14h 45m
TAP AIR PORTUGAL
Wed 10/147:15 am
TER
- BOS
1 stop17h 05m
TAP AIR PORTUGAL
Deal found 6/30![TAP AIR PORTUGAL logo]()
$806
This SWISS deal was found by Cheapflights users on 6/27. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:10 pm
BOS
- FAO
1 stop20h 10m
SWISS
Sun 8/237:00 pm
FAO
- BOS
1 stop29h 55m
SWISS
Deal found 6/27![SWISS logo]()
$814
This KLM deal was found by Cheapflights users on 6/29. 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 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 10/46:55 pm
FAO
- BOS
1 stop26h 41m
KLM
Deal found 6/29![KLM logo]()
$834
This Air Transat deal was found by Cheapflights users on 6/28. 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 Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:45 pm
BOS
- OPO
1 stop11h 10m
Air Transat
Sun 7/198:25 am
OPO
- BOS
1 stop17h 30m
Air Transat
Deal found 6/28![Air Transat logo]()
$933
This United Airlines deal was found by Cheapflights users on 6/26. 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.
Mon 8/108:27 pm
BOS
- FNC
1 stop30h 38m
United Airlines
Wed 8/269:40 am
FNC
- BOS
1 stop32h 07m
United Airlines
Deal found 6/26![United Airlines logo]()
$741
This United deal was found by Cheapflights users on 6/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:41 pm
BOS
- FAO
1 stop15h 29m
Multiple Airlines
Mon 9/283:55 pm
FAO
- BOS
1 stop30h 45m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$754
This KLM deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 stop26h 41m
KLM
Deal found 7/1![KLM logo]()
$834
This TAP AIR PORTUGAL deal was found by Cheapflights users on 6/27. 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 9/91:00 pm
BOS
- TER
2 stops19h 55m
TAP AIR PORTUGAL
Mon 9/141:40 pm
TER
- BOS
1 stop29h 05m
TAP AIR PORTUGAL
Deal found 6/27![TAP AIR PORTUGAL logo]()
$837
This KAYAK deal was found by Cheapflights users on 6/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:55 pm
PWM
- OPO
1 stop9h 50m
Multiple Airlines
Fri 10/2312:35 pm
OPO
- PWM
1 stop15h 53m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$781
This Delta deal was found by Cheapflights users on 6/26. 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.
Wed 9/3011:25 pm
BOS
- LIS
Nonstop6h 20m
Delta
Thu 10/1512:45 pm
LIS
- BOS
Nonstop7h 40m
Delta
Deal found 6/26![Delta logo]()
$870
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 9/87:23 pm
BOS
- FAO
2 stops33h 27m
United Airlines
Thu 9/1711:40 am
FAO
- BOS
1 stop11h 12m
United Airlines
Deal found 6/30![United Airlines logo]()
$809
This TAP AIR PORTUGAL deal was found by Cheapflights users on 6/27. 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 9/94:00 pm
BOS
- TER
2 stops27h 15m
TAP AIR PORTUGAL
Wed 9/167:15 am
TER
- BOS
1 stop17h 05m
TAP AIR PORTUGAL
Deal found 6/27![TAP AIR PORTUGAL logo]()
$865
This Delta deal was found by Cheapflights users on 6/27. 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.
Wed 9/2311:25 pm
BOS
- LIS
Nonstop6h 20m
Delta
Fri 10/212:45 pm
LIS
- BOS
Nonstop7h 40m
Delta
Deal found 6/27![Delta logo]()
$870
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 7/145:44 pm
BOS
- FNC
1 stop9h 21m
United Airlines
Fri 7/249:40 am
FNC
- BOS
1 stop14h 48m
United Airlines
Deal found 6/30![United Airlines logo]()
$814
This FlightHub deal was found by Cheapflights users on 6/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:15 pm
BOS
- SMA
2 stops16h 15m
Multiple Airlines
Mon 9/281:10 pm
SMA
- BOS
1 stop10h 40m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$815
This Air Transat deal was found by Cheapflights users on 6/26. 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.
Wed 7/810:05 am
BOS
- OPO
1 stop20h 50m
Air Transat
Sat 7/111:30 pm
OPO
- BOS
1 stop24h 35m
Air Transat
Deal found 6/26![Air Transat logo]()
$1,018
This FlightHub deal was found by Cheapflights users on 6/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/510:40 pm
BOS
- TER
1 stop32h 20m
TAP AIR PORTUGAL
Sun 7/127:10 am
TER
- BOS
1 stop11h 30m
TAP AIR PORTUGAL
Deal found 6/26![TAP AIR PORTUGAL logo]()
$865
This Delta deal was found by Cheapflights users on 6/27. 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 7/2311:25 pm
BOS
- LIS
Nonstop6h 20m
Delta
Sun 8/25:00 am
LIS
- BOS
1 stop13h 18m
Delta
Deal found 6/27![Delta logo]()
$875
This United Airlines deal was found by Cheapflights users on 6/27. 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.
Tue 9/86:00 pm
BOS
- FNC
1 stop9h 05m
United Airlines
Wed 9/169:40 am
FNC
- BOS
2 stops18h 50m
United Airlines
Deal found 6/27![United Airlines logo]()
$818
This Gotogate deal was found by Cheapflights users on 6/28. 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.
Tue 9/229:15 pm
BOS
- SJZ
2 stops9h 15m
Multiple Airlines
Sun 9/2710:55 am
SJZ
- BOS
1 stop12h 55m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$820
This TAP AIR PORTUGAL deal was found by Cheapflights users on 6/29. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/12:40 pm
BOS
- PDL
2 stops29h 05m
TAP AIR PORTUGAL
Mon 9/710:45 am
PDL
- BOS
1 stop13h 35m
TAP AIR PORTUGAL
Deal found 6/29![TAP AIR PORTUGAL logo]()
$871
This Delta deal was found by Cheapflights users on 6/27. 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.
Sat 8/155:10 pm
BOS
- LIS
1 stop10h 40m
Delta
Sun 8/2312:45 pm
LIS
- BOS
Nonstop7h 30m
Delta
Deal found 6/27![Delta logo]()
$883
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 7/219:50 am
BOS
- FNC
2 stops17h 15m
United Airlines
Wed 7/299:40 am
FNC
- BOS
1 stop11h 58m
United Airlines
Deal found 6/30![United Airlines logo]()
$818
This KLM deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 7/295:10 pm
BOS
- LIS
1 stop13h 05m
Multiple Airlines
Thu 8/612:45 pm
LIS
- BOS
Nonstop7h 30m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$859
This TAP AIR PORTUGAL deal was found by Cheapflights users on 6/27. 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.
Tue 8/112:45 pm
BOS
- TER
2 stops28h 30m
TAP AIR PORTUGAL
Tue 8/187:05 am
TER
- BOS
1 stop17h 15m
TAP AIR PORTUGAL
Deal found 6/27![TAP AIR PORTUGAL logo]()
$878
This Delta deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:10 pm
BOS
- LIS
1 stop13h 05m
Delta
Wed 7/2212:45 pm
LIS
- BOS
Nonstop7h 25m
Delta
Deal found 6/30![Delta logo]()
$883
Last-minute flights from Maine to PortugalDiscover last-minute flight deals from Maine to Portugal. Data last updated July 1, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to Portugal. Data last updated July 1, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 6/28. 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 7/610:45 pm
BOS
- OPO
1 stop16h 40m
TAP AIR PORTUGAL
Fri 9/47:00 am
OPO
- BOS
1 stop18h 20m
TAP AIR PORTUGAL
Deal found 6/28![TAP AIR PORTUGAL logo]()
$734
This FlightHub deal was found by Cheapflights users on 6/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/610:45 pm
BOS
- OPO
1 stop19h 10m
TAP AIR PORTUGAL
Mon 8/319:15 pm
OPO
- BOS
1 stop28h 05m
TAP AIR PORTUGAL
Deal found 6/28![TAP AIR PORTUGAL logo]()
$749
This Cheapflightsfares deal was found by Cheapflights users on 6/28. 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 7/610:45 pm
BOS
- OPO
1 stop19h 10m
TAP AIR PORTUGAL
Sat 9/59:00 am
OPO
- BOS
1 stop16h 20m
TAP AIR PORTUGAL
Deal found 6/28![TAP AIR PORTUGAL logo]()
$754
This Rumbo deal was found by Cheapflights users on 6/27. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/136:05 pm
BOS
- TER
1 stop12h 55m
TAP AIR PORTUGAL
Tue 7/217:05 am
TER
- BOS
1 stop17h 15m
TAP AIR PORTUGAL
Deal found 6/27![TAP AIR PORTUGAL logo]()
$716
This Gotogate deal was found by Cheapflights users on 6/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/136:05 pm
BOS
- TER
1 stop12h 55m
Multiple Airlines
Tue 7/216:05 pm
TER
- BOS
Nonstop5h 45m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$738
This FlightHub deal was found by Cheapflights users on 6/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1510:45 pm
BOS
- OPO
1 stop11h 15m
TAP AIR PORTUGAL
Tue 11/178:30 am
OPO
- BOS
1 stop11h 10m
TAP AIR PORTUGAL
Deal found 6/28![TAP AIR PORTUGAL logo]()
$732
This FlightHub deal was found by Cheapflights users on 6/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1510:45 pm
BOS
- OPO
1 stop13h 15m
TAP AIR PORTUGAL
Sun 11/155:50 pm
OPO
- BOS
Nonstop7h 55m
TAP AIR PORTUGAL
Deal found 6/28![TAP AIR PORTUGAL logo]()
$733
This Mytrip deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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.
Sun 7/195:45 am
BOS
- FAO
2 stops33h 10m
Multiple Airlines
Wed 7/298:05 pm
FAO
- BOS
2 stops26h 35m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$744
This oojo deal was found by Cheapflights users on 6/28. 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.
Wed 7/2210:45 pm
BOS
- TER
1 stop20h 30m
TAP AIR PORTUGAL
Mon 7/271:40 pm
TER
- BOS
1 stop29h 05m
TAP AIR PORTUGAL
Deal found 6/28![TAP AIR PORTUGAL logo]()
$711
This oojo deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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.
Sat 7/2510:45 pm
BOS
- OPO
1 stop13h 15m
TAP AIR PORTUGAL
Sat 9/195:40 pm
OPO
- BOS
Nonstop7h 40m
TAP AIR PORTUGAL
Deal found 7/1![TAP AIR PORTUGAL logo]()
$713
This Kiwi.com deal was found by Cheapflights users on 6/27. 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.
Mon 7/279:20 pm
BOS
- OPO
1 stop28h 25m
Multiple Airlines
Mon 8/1710:25 pm
OPO
- BOS
2 stops26h 16m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$744
This Kiwi.com deal was found by Cheapflights users on 6/27. 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.
Tue 7/289:20 pm
BOS
- OPO
1 stop15h 30m
Multiple Airlines
Mon 8/1710:25 pm
OPO
- BOS
2 stops26h 16m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$748
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 July 1, 2026.
Search for one-way flight options from Maine to Portugal. Find affordable one-way fares based on user searches. Data last updated July 1, 2026.
This Trip.com deal was found by Cheapflights users on 6/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:05 am
BOS
- PDL
1 stop18h 05m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$247
This oojo deal was found by Cheapflights users on 6/28. 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.
Tue 7/286:05 pm
BOS
- PDL
1 stop11h 40m
TAP AIR PORTUGAL
Deal found 6/28![TAP AIR PORTUGAL logo]()
$253
This oojo deal was found by Cheapflights users on 6/28. 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.
Tue 8/2510:45 pm
BOS
- PDL
1 stop10h 30m
TAP AIR PORTUGAL
Deal found 6/28![TAP AIR PORTUGAL logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 6/27. 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.
Mon 9/710:05 am
BOS
- PDL
1 stop19h 00m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:30 pm
BOS
- PDL
1 stop32h 40m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$258
This Booking.com deal was found by Cheapflights users on 6/26. 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.
Mon 7/2710:45 pm
BOS
- PDL
1 stop31h 00m
TAP AIR PORTUGAL
Deal found 6/26![TAP AIR PORTUGAL logo]()
$259
This FlightHub deal was found by Cheapflights users on 6/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/310:45 pm
BOS
- PDL
1 stop31h 00m
TAP AIR PORTUGAL
Deal found 6/28![TAP AIR PORTUGAL logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1910:40 pm
BOS
- PDL
1 stop31h 05m
TAP AIR PORTUGAL
Deal found 6/30![TAP AIR PORTUGAL logo]()
$269
This Iberia deal was found by Cheapflights users on 6/26. 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.
Wed 9/2310:55 pm
BOS
- OPO
1 stop17h 25m
Iberia
Deal found 6/26![Iberia logo]()
$271
This oojo deal was found by Cheapflights users on 6/28. 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.
Sat 8/226:05 pm
BOS
- PDL
1 stop11h 40m
TAP AIR PORTUGAL
Deal found 6/28![TAP AIR PORTUGAL logo]()
$272
This oojo deal was found by Cheapflights users on 6/26. 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.
Tue 7/146:05 pm
BOS
- TER
1 stop25h 10m
TAP AIR PORTUGAL
Deal found 6/26![TAP AIR PORTUGAL logo]()
$276
This oojo deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 7/2910:45 pm
BOS
- TER
1 stop20h 30m
TAP AIR PORTUGAL
Deal found 6/30![TAP AIR PORTUGAL logo]()
$277
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 July 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $506 (Kiwi.com) |
One-way from | $247 (Trip.com) |
Popular in | December |
Cheapest in | February |
Average price | $1,131 |
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 July 1, 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
BostonFunchal
BOS - FNC
BOSFNC
Boston Logan Intl
Sun 11/1
5:35 pm-3:05 pm
2 stops40h 30m
Funchal Madeira
Sat 11/7
3:35 pm-3:40 pm
2 stops29h 05m
$710
BostonFunchal
BOS - FNC
BOSFNC
Boston Logan Intl
Mon 8/17
8:31 pm-8:05 am
2 stops30h 34m
Funchal Madeira
Wed 9/2
9:40 am-9:36 am
2 stops28h 56m
$740
BostonFunchal
BOS - FNC
BOSFNC
Boston Logan Intl
Mon 8/10
8:27 pm-8:05 am
1 stop30h 38m
Funchal Madeira
Wed 8/26
9:40 am-12:47 pm
1 stop32h 07m
$741
BostonLajes
BOS - TER
BOSTER
Boston Logan Intl
Wed 9/9
6:05 pm-11:15 pm
1 stop25h 10m
Lajes
Wed 9/16
6:10 pm-5:42 pm
3 stops27h 32m
$749
BostonFaro
BOS - FAO
BOSFAO
Boston Logan Intl
Mon 9/21
12:41 pm-9:10 am
1 stop15h 29m
Faro
Mon 9/28
3:55 pm-5:40 pm
1 stop30h 45m
$754
PortlandPorto
PWM - OPO
PWMOPO
Portland
Mon 10/19
4:15 pm-3:25 pm
2 stops18h 10m
Porto
Fri 10/23
11:25 am-12:10 am
2 stops17h 45m
$778
PortlandPorto
PWM - OPO
PWMOPO
Portland
Mon 10/19
6:55 pm-9:45 am
1 stop9h 50m
Porto
Fri 10/23
12:35 pm-11:28 pm
1 stop15h 53m
$781
BostonLajes
BOS - TER
BOSTER
Boston Logan Intl
Tue 9/29
6:05 pm-12:50 pm
1 stop14h 45m
Lajes
Wed 10/14
7:15 am-8:20 pm
1 stop17h 05m
$806
BostonFaro
BOS - FAO
BOSFAO
Boston Logan Intl
Tue 9/8
7:23 pm-9:50 am
2 stops33h 27m
Faro
Thu 9/17
11:40 am-5:52 pm
1 stop11h 12m
$809
BostonFaro
BOS - FAO
BOSFAO
Boston Logan Intl
Mon 8/17
5:10 pm-6:20 pm
1 stop20h 10m
Faro
Sun 8/23
7:00 pm-7:55 pm
1 stop29h 55m
$814
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Maine to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from Maine with our price prediction graph.
BOS-FAO
BOS-SMA
BOS-TER
BOS-PIX
BOS-SJZ
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Maine to Portugal
USME-PT0
BOS-FAO
BOS-SMA
BOS-TER
BOS-PIX
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Maine to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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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 July 1, 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 July 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$550 | Average$707 | FlexibilityNo cancel fee | On-time69% |