$243+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LIS
Apr 5 — Apr 121
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 March 6, 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 March 6, 2026.
This Mytrip deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” 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 4/2611:00 pm
BOS
- FAO
1 stop32h 50m
Icelandair
Mon 5/111:50 pm
FAO
- BOS
1 stop12h 55m
Icelandair
Deal found 3/4![Icelandair logo]()
$369
This Super.com deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:00 pm
BOS
- OPO
1 stop18h 00m
TAP AIR PORTUGAL
Sun 12/66:55 am
OPO
- BOS
1 stop12h 45m
TAP AIR PORTUGAL
Deal found 3/2![TAP AIR PORTUGAL logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 3/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3010:45 pm
BOS
- OPO
1 stop13h 15m
TAP AIR PORTUGAL
Tue 4/75:05 am
OPO
- BOS
1 stop14h 40m
TAP AIR PORTUGAL
Deal found 3/1![TAP AIR PORTUGAL logo]()
$391
This Super.com deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:45 pm
BOS
- OPO
1 stop19h 25m
TAP AIR PORTUGAL
Mon 10/1910:30 pm
OPO
- BOS
1 stop26h 50m
TAP AIR PORTUGAL
Deal found 3/4![TAP AIR PORTUGAL logo]()
$399
This Super.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/610:45 pm
BOS
- OPO
1 stop16h 40m
TAP AIR PORTUGAL
Wed 4/155:05 am
OPO
- BOS
1 stop20h 15m
TAP AIR PORTUGAL
Deal found 3/3![TAP AIR PORTUGAL logo]()
$410
This FlightHub deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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 4/276:05 pm
BOS
- OPO
1 stop9h 55m
TAP AIR PORTUGAL
Thu 10/19:00 am
OPO
- BOS
1 stop10h 45m
TAP AIR PORTUGAL
Deal found 3/2![TAP AIR PORTUGAL logo]()
$411
This oojo deal was found by Cheapflights users on 3/1. 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.
Mon 4/610:45 pm
BOS
- OPO
1 stop15h 15m
TAP AIR PORTUGAL
Mon 4/139:15 pm
OPO
- BOS
1 stop22h 30m
TAP AIR PORTUGAL
Deal found 3/1![TAP AIR PORTUGAL logo]()
$412
This oojo deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” 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.
Sun 11/110:10 pm
BOS
- OPO
1 stop9h 50m
TAP AIR PORTUGAL
Fri 11/1312:00 pm
OPO
- BOS
1 stop13h 10m
TAP AIR PORTUGAL
Deal found 3/4![TAP AIR PORTUGAL logo]()
$415
This United Airlines deal was found by Cheapflights users on 3/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:27 pm
BOS
- OPO
1 stop10h 03m
United Airlines
Tue 3/1712:35 pm
OPO
- BOS
1 stop11h 40m
United Airlines
Deal found 3/1![United Airlines logo]()
$416
This Iberia deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 10/285:45 pm
BOS
- OPO
1 stop14h 00m
Iberia
Wed 11/48:20 am
OPO
- BOS
1 stop11h 55m
Iberia
Deal found 3/3![Iberia logo]()
$419
This United Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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 3/39:40 am
BOS
- OPO
2 stops18h 50m
United Airlines
Tue 3/1712:35 pm
OPO
- BOS
1 stop11h 40m
United Airlines
Deal found 3/2![United Airlines logo]()
$421
This oojo deal was found by Cheapflights users on 3/1. 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.
Tue 4/285:40 pm
BOS
- LIS
2 stops23h 25m
Multiple Airlines
Fri 5/159:15 pm
LIS
- BOS
1 stop23h 20m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$502
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 March 6, 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 March 6, 2026.
This Delta deal was found by Cheapflights users on 3/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:55 pm
BOS
- OPO
1 stop18h 25m
Delta
Wed 4/155:55 am
OPO
- BOS
1 stop12h 38m
Delta
Deal found 3/1![Delta logo]()
$447
This KLM deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/109:30 pm
BOS
- OPO
1 stop33h 00m
Multiple Airlines
Tue 3/179:55 am
OPO
- BOS
1 stop32h 25m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$488
This United Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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 4/279:30 am
BOS
- OPO
2 stops19h 15m
United Airlines
Fri 5/86:00 am
OPO
- BOS
2 stops37h 26m
United Airlines
Deal found 3/2![United Airlines logo]()
$528
This KLM deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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 5/134:35 pm
BOS
- FAO
1 stop33h 35m
KLM
Tue 5/198:15 pm
FAO
- BOS
1 stop27h 15m
KLM
Deal found 3/2![KLM logo]()
$598
This Turkish Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/79:50 pm
BOS
- LIS
1 stop36h 45m
Turkish Airlines
Fri 5/154:45 pm
LIS
- BOS
1 stop32h 10m
Turkish Airlines
Deal found 3/6![Turkish Airlines logo]()
$599
This KAYAK deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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.
Wed 5/66:05 pm
BOS
- TER
1 stop14h 50m
TAP AIR PORTUGAL
Thu 5/141:50 pm
TER
- BOS
1 stop28h 55m
TAP AIR PORTUGAL
Deal found 3/3![TAP AIR PORTUGAL logo]()
$648
This LEVEL deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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.
Fri 5/1510:50 pm
BOS
- LIS
1 stop28h 40m
LEVEL
Thu 5/217:05 pm
LIS
- BOS
1 stop31h 00m
LEVEL
Deal found 3/2![LEVEL logo]()
$686
This Booking.com deal was found by Cheapflights users on 3/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/209:15 pm
BOS
- TER
Nonstop5h 05m
Azores Airlines
Tue 4/2811:20 am
TER
- BOS
2 stops36h 30m
Azores Airlines
Deal found 3/1![Azores Airlines logo]()
$692
This Scandinavian Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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.
Fri 4/249:05 am
BOS
- FNC
2 stops25h 00m
Scandinavian Airlines
Sat 5/25:40 pm
FNC
- BOS
2 stops26h 55m
Scandinavian Airlines
Deal found 3/2![Scandinavian Airlines logo]()
$769
This British Airways deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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.
Tue 3/248:30 am
BOS
- FNC
1 stop26h 40m
British Airways
Mon 3/306:55 pm
FNC
- BOS
1 stop26h 55m
British Airways
Deal found 3/2![British Airways logo]()
$964
This Delta deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” 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 4/287:05 pm
BOS
- OPO
1 stop15h 20m
Delta
Thu 5/145:00 am
OPO
- BOS
1 stop16h 25m
Delta
Deal found 3/5![Delta logo]()
$514
This United Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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 4/279:30 am
BOS
- OPO
2 stops19h 15m
United Airlines
Wed 9/302:25 pm
OPO
- BOS
1 stop24h 25m
United Airlines
Deal found 3/2![United Airlines logo]()
$535
This Mytrip deal was found by Cheapflights users on 3/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/149:15 pm
BOS
- SJZ
1 stop14h 40m
Multiple Airlines
Tue 4/219:25 am
SJZ
- BOS
1 stop14h 25m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$554
This oojo deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 6/29:15 pm
BOS
- SJZ
1 stop7h 35m
Multiple Airlines
Tue 6/1612:10 pm
SJZ
- BOS
1 stop11h 40m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$566
This Turkish Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/199:00 pm
BOS
- OPO
1 stop38h 10m
Turkish Airlines
Mon 3/2310:55 am
OPO
- BOS
1 stop36h 10m
Turkish Airlines
Deal found 3/2![Turkish Airlines logo]()
$628
This KLM deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 4/116:55 pm
BOS
- FAO
1 stop31h 15m
KLM
Sat 4/189:55 pm
FAO
- BOS
1 stop25h 35m
KLM
Deal found 3/3![KLM logo]()
$647
This TAP AIR PORTUGAL deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 5/66:05 pm
BOS
- TER
1 stop14h 50m
TAP AIR PORTUGAL
Wed 5/131:40 pm
TER
- BOS
1 stop29h 05m
TAP AIR PORTUGAL
Deal found 3/3![TAP AIR PORTUGAL logo]()
$663
This oojo deal was found by Cheapflights users on 3/1. 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.
Sun 3/2210:25 pm
BOS
- TER
1 stop12h 55m
Multiple Airlines
Tue 3/316:05 pm
TER
- BOS
Nonstop5h 45m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$577
This United Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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 5/137:27 pm
BOS
- FAO
2 stops34h 53m
United Airlines
Mon 5/1811:40 am
FAO
- BOS
2 stops28h 21m
United Airlines
Deal found 3/2![United Airlines logo]()
$668
This TAP AIR PORTUGAL deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/310:40 pm
BOS
- PDL
1 stop16h 10m
TAP AIR PORTUGAL
Fri 5/87:40 pm
PDL
- BOS
1 stop23h 05m
TAP AIR PORTUGAL
Deal found 3/4![TAP AIR PORTUGAL logo]()
$692
This Mytrip deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/209:15 pm
BOS
- TER
Nonstop5h 05m
Multiple Airlines
Tue 4/218:15 pm
TER
- BOS
1 stop27h 35m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$580
This Delta deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” 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 4/246:55 pm
BOS
- OPO
1 stop22h 20m
Delta
Mon 10/512:15 pm
OPO
- BOS
1 stop15h 21m
Delta
Deal found 3/4![Delta logo]()
$707
This KLM deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/78:25 pm
BOS
- FAO
1 stop30h 00m
KLM
Sun 8/237:00 pm
FAO
- BOS
1 stop28h 30m
KLM
Deal found 3/2![KLM logo]()
$718
This Scandinavian Airlines deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” 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 8/25:40 pm
BOS
- FAO
2 stops34h 50m
Scandinavian Airlines
Sat 8/2210:25 am
FAO
- BOS
2 stops34h 10m
Scandinavian Airlines
Deal found 3/4![Scandinavian Airlines logo]()
$802
This United Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 4/147:15 am
BOS
- FAO
2 stops25h 35m
United Airlines
Tue 6/911:40 am
FAO
- BOS
1 stop11h 17m
United Airlines
Deal found 3/3![United Airlines logo]()
$688
This oojo deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” 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.
Sun 5/36:05 pm
BOS
- PXO
1 stop12h 05m
TAP AIR PORTUGAL
Mon 5/1112:00 pm
PXO
- BOS
1 stop13h 20m
TAP AIR PORTUGAL
Deal found 3/5![TAP AIR PORTUGAL logo]()
$702
This Booking.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 4/29:15 pm
BOS
- PIX
2 stops40h 35m
Multiple Airlines
Thu 4/99:25 am
PIX
- BOS
1 stop14h 25m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$590
This Delta deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 5/74:35 pm
BOS
- OPO
1 stop20h 40m
Delta
Sun 10/49:25 am
OPO
- BOS
2 stops18h 11m
Delta
Deal found 3/3![Delta logo]()
$723
This KLM deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 5/146:50 pm
BOS
- FAO
1 stop31h 20m
KLM
Wed 9/98:50 am
FAO
- BOS
1 stop12h 45m
KLM
Deal found 3/6![KLM logo]()
$735
This Scandinavian Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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.
Fri 6/55:40 pm
BOS
- LIS
1 stop16h 55m
Scandinavian Airlines
Mon 9/77:15 am
LIS
- BOS
1 stop13h 20m
Scandinavian Airlines
Deal found 3/2![Scandinavian Airlines logo]()
$809
Last-minute flights from Maine to PortugalDiscover last-minute flight deals from Maine to Portugal. Data last updated March 6, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to Portugal. Data last updated March 6, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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 3/86:00 am
BOS
- OPO
2 stops23h 30m
United Airlines
Tue 3/1712:35 pm
OPO
- BOS
2 stops15h 22m
United Airlines
Deal found 3/2![United Airlines logo]()
$421
This United Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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 3/96:30 pm
BOS
- OPO
1 stop11h 00m
United Airlines
Tue 3/1712:35 pm
OPO
- BOS
1 stop11h 40m
United Airlines
Deal found 3/2![United Airlines logo]()
$416
This oojo deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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.
Sun 3/227:05 pm
BOS
- LIS
Nonstop6h 30m
TAP AIR PORTUGAL
Fri 5/225:40 pm
LIS
- BOS
Nonstop7h 40m
TAP AIR PORTUGAL
Deal found 3/2![TAP AIR PORTUGAL logo]()
$503
This Kiwi.com deal was found by Cheapflights users on 3/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3010:45 pm
BOS
- OPO
1 stop13h 15m
TAP AIR PORTUGAL
Tue 4/75:05 am
OPO
- BOS
1 stop14h 40m
TAP AIR PORTUGAL
Deal found 3/1![TAP AIR PORTUGAL logo]()
$391
This Super.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/610:45 pm
BOS
- OPO
1 stop16h 40m
TAP AIR PORTUGAL
Wed 4/155:05 am
OPO
- BOS
1 stop20h 15m
TAP AIR PORTUGAL
Deal found 3/3![TAP AIR PORTUGAL logo]()
$410
This oojo deal was found by Cheapflights users on 3/1. 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.
Mon 4/610:45 pm
BOS
- OPO
1 stop15h 15m
TAP AIR PORTUGAL
Mon 4/139:15 pm
OPO
- BOS
1 stop22h 30m
TAP AIR PORTUGAL
Deal found 3/1![TAP AIR PORTUGAL logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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 4/610:45 pm
BOS
- PDL
1 stop31h 00m
TAP AIR PORTUGAL
Mon 4/133:50 pm
PDL
- BOS
1 stop26h 55m
TAP AIR PORTUGAL
Deal found 3/2![TAP AIR PORTUGAL logo]()
$502
This Mytrip deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” 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 4/2611:00 pm
BOS
- FAO
1 stop32h 50m
Icelandair
Mon 5/111:50 pm
FAO
- BOS
1 stop12h 55m
Icelandair
Deal found 3/4![Icelandair logo]()
$369
This American Airlines deal was found by Cheapflights users on 3/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/265:40 pm
BOS
- OPO
1 stop17h 20m
American Airlines
Thu 5/78:20 am
OPO
- BOS
2 stops15h 28m
American Airlines
Deal found 3/1![American Airlines logo]()
$429
This FlightHub deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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 4/276:05 pm
BOS
- OPO
1 stop9h 55m
TAP AIR PORTUGAL
Thu 10/19:00 am
OPO
- BOS
1 stop10h 45m
TAP AIR PORTUGAL
Deal found 3/2![TAP AIR PORTUGAL logo]()
$411
This oojo deal was found by Cheapflights users on 3/1. 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.
Tue 4/285:40 pm
BOS
- LIS
2 stops23h 25m
Multiple Airlines
Fri 5/159:15 pm
LIS
- BOS
1 stop23h 20m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$502
This Iberia deal was found by Cheapflights users on 3/1. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/295:40 pm
BOS
- OPO
1 stop21h 20m
Iberia
Wed 5/612:25 pm
OPO
- BOS
2 stops16h 27m
Iberia
Deal found 3/1![Iberia logo]()
$437
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 March 6, 2026.
Search for one-way flight options from Maine to Portugal. Find affordable one-way fares based on user searches. Data last updated March 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 4/2611:00 pm
BOS
- FNC
2 stops45h 10m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 4/128:50 pm
BOS
- OPO
3 stops45h 50m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” 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 4/128:50 pm
BOS
- FAO
3 stops43h 25m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 4/138:50 pm
BOS
- OPO
3 stops45h 10m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$246
This Mytrip deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:50 pm
BOS
- FNC
2 stops23h 05m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$251
This SmartFares deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1610:40 pm
BOS
- PDL
1 stop12h 20m
TAP AIR PORTUGAL
Deal found 3/3![TAP AIR PORTUGAL logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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 5/410:50 pm
BOS
- OPO
1 stop27h 00m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$252
This oojo deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 stop15h 55m
TAP AIR PORTUGAL
Deal found 3/3![TAP AIR PORTUGAL logo]()
$253
This oojo deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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 5/66:05 pm
BOS
- TER
1 stop25h 10m
TAP AIR PORTUGAL
Deal found 3/2![TAP AIR PORTUGAL logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 5/911:00 pm
BOS
- OPO
2 stops40h 40m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$254
This Booking.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2211:45 pm
BOS
- TER
1 stop32h 15m
TAP AIR PORTUGAL
Deal found 3/3![TAP AIR PORTUGAL logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/811:00 pm
BOS
- FAO
3 stops29h 30m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$255
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 March 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $369 (Mytrip) |
One-way from | $217 (oojo) |
Popular in | December |
Cheapest in | February |
Average price | $762 |
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 March 6, 2026.
Use the filters below to find and compare flights from Maine to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Wed 4/8
6:55 pm-6:20 pm
1 stop18h 25m
Porto
Wed 4/15
5:55 am-1:33 pm
1 stop12h 38m
$447
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Tue 3/10
9:30 pm-10:30 am
1 stop33h 00m
Porto
Tue 3/17
9:55 am-2:20 pm
1 stop32h 25m
$488
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Tue 4/28
7:05 pm-3:25 pm
1 stop15h 20m
Porto
Thu 5/14
5:00 am-4:25 pm
1 stop16h 25m
$514
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Mon 4/27
9:30 am-9:45 am
2 stops19h 15m
Porto
Fri 5/8
6:00 am-2:26 pm
2 stops37h 26m
$528
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Mon 4/27
9:30 am-9:45 am
2 stops19h 15m
Porto
Wed 9/30
2:25 pm-9:50 am
1 stop24h 25m
$535
BostonVelas
BOS - SJZ
BOSSJZ
Boston Logan Intl
Tue 4/14
9:15 pm-3:55 pm
1 stop14h 40m
Velas Sao Jorge Island
Tue 4/21
9:25 am-7:50 pm
1 stop14h 25m
$554
BostonVelas
BOS - SJZ
BOSSJZ
Boston Logan Intl
Tue 6/2
9:15 pm-8:50 am
1 stop7h 35m
Velas Sao Jorge Island
Tue 6/16
12:10 pm-7:50 pm
1 stop11h 40m
$566
Quickest round-trip
BostonLajes
BOS - TER
BOSTER
Boston Logan Intl
Sun 3/22
10:25 pm-2:20 pm
1 stop12h 55m
Lajes
Tue 3/31
6:05 pm-7:50 pm
Nonstop5h 45m
$577
BostonLajes
BOS - TER
BOSTER
Boston Logan Intl
Mon 4/20
9:15 pm-6:20 am
Nonstop5h 05m
Lajes
Tue 4/21
8:15 pm-7:50 pm
1 stop27h 35m
$580
BostonPico Island
BOS - PIX
BOSPIX
Boston Logan Intl
Thu 4/2
9:15 pm-5:50 pm
2 stops40h 35m
Pico Island
Thu 4/9
9:25 am-7:50 pm
1 stop14h 25m
$590
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-OPO
BOS-LIS
BOS-PDL
BOS-TER
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-OPO
BOS-LIS
BOS-PDL
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 March 6, 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 March 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$550 | Average$721 | FlexibilityNo cancel fee | On-time69% |