$288+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LIS
may. 8 — may. 151
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 abril 8, 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 abril 8, 2026.
This Super.com deal was found by Cheapflights users on 4/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/310:45 pm
BOS
- OPO
Nonstop6h 45m
TAP AIR PORTUGAL
mar. 11/106:00 pm
OPO
- BOS
Nonstop7h 45m
TAP AIR PORTUGAL
Deal found 4/6![TAP AIR PORTUGAL logo]()
$456
This FlightHub deal was found by Cheapflights users on 4/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/306:00 pm
BOS
- OPO
1 stop12h 05m
TAP AIR PORTUGAL
mar. 12/86:00 pm
OPO
- BOS
Nonstop7h 45m
TAP AIR PORTUGAL
Deal found 4/5![TAP AIR PORTUGAL logo]()
$459
This oojo deal was found by Cheapflights users on 4/5. 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.
mar. 12/16:00 pm
BOS
- OPO
1 stop23h 00m
TAP AIR PORTUGAL
mié. 12/95:00 am
OPO
- BOS
1 stop14h 40m
TAP AIR PORTUGAL
Deal found 4/5![TAP AIR PORTUGAL logo]()
$463
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/310:45 pm
BOS
- OPO
Nonstop6h 45m
TAP AIR PORTUGAL
dom. 11/156:00 pm
OPO
- BOS
Nonstop7h 45m
TAP AIR PORTUGAL
Deal found 4/6![TAP AIR PORTUGAL logo]()
$464
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/86:00 pm
BOS
- OPO
1 stop11h 00m
TAP AIR PORTUGAL
mar. 11/176:00 pm
OPO
- BOS
Nonstop7h 45m
TAP AIR PORTUGAL
Deal found 4/6![TAP AIR PORTUGAL logo]()
$466
This Super.com deal was found by Cheapflights users on 4/4. 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.
mar. 10/2711:45 pm
BOS
- OPO
Nonstop6h 45m
TAP AIR PORTUGAL
dom. 11/16:00 pm
OPO
- BOS
Nonstop7h 45m
TAP AIR PORTUGAL
Deal found 4/4![TAP AIR PORTUGAL logo]()
$476
This Booking.com deal was found by Cheapflights users on 4/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/610:30 pm
BOS
- OPO
Nonstop6h 40m
TAP AIR PORTUGAL
mié. 4/156:00 pm
OPO
- BOS
Nonstop7h 20m
TAP AIR PORTUGAL
Deal found 4/4![TAP AIR PORTUGAL logo]()
$478
This FlightHub deal was found by Cheapflights users on 4/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/306:00 pm
BOS
- OPO
1 stop12h 05m
TAP AIR PORTUGAL
mié. 12/98:55 am
OPO
- BOS
1 stop10h 45m
TAP AIR PORTUGAL
Deal found 4/5![TAP AIR PORTUGAL logo]()
$479
This Super.com deal was found by Cheapflights users on 4/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/1210:10 pm
BOS
- OPO
1 stop11h 50m
TAP AIR PORTUGAL
lun. 11/165:55 pm
OPO
- BOS
1 stop25h 45m
TAP AIR PORTUGAL
Deal found 4/5![TAP AIR PORTUGAL logo]()
$481
This oojo deal was found by Cheapflights users on 4/4. 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.
vie. 12/46:00 pm
BOS
- OPO
1 stop10h 50m
TAP AIR PORTUGAL
lun. 12/145:55 pm
OPO
- BOS
1 stop25h 45m
TAP AIR PORTUGAL
Deal found 4/4![TAP AIR PORTUGAL logo]()
$483
This Booking.com deal was found by Cheapflights users on 4/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/266:35 pm
BOS
- FNC
2 stops16h 30m
Scandinavian Airlines
sáb. 10/314:10 pm
FNC
- BOS
1 stop28h 30m
Scandinavian Airlines
Deal found 4/5![Scandinavian Airlines logo]()
$583
This oojo deal was found by Cheapflights users on 4/3. 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.
dom. 5/1011:00 pm
BOS
- FNC
1 stop10h 15m
TAP AIR PORTUGAL
mar. 5/1910:45 pm
FNC
- BOS
1 stop26h 35m
TAP AIR PORTUGAL
Deal found 4/3![TAP AIR PORTUGAL logo]()
$587
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 abril 8, 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 abril 8, 2026.
This United Airlines deal was found by Cheapflights users on 4/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/115:45 am
BOS
- OPO
1 stop20h 15m
United Airlines
jue. 9/311:50 am
OPO
- BOS
1 stop11h 17m
United Airlines
Deal found 4/6![United Airlines logo]()
$647
This Booking.com deal was found by Cheapflights users on 4/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/49:15 pm
BOS
- PIX
1 stop10h 00m
Multiple Airlines
lun. 5/115:50 pm
PIX
- BOS
1 stop30h 00m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$684
This Delta deal was found by Cheapflights users on 4/3. 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.
lun. 5/47:00 pm
BOS
- OPO
1 stop15h 25m
Delta
lun. 5/186:30 am
OPO
- BOS
2 stops17h 33m
Delta
Deal found 4/3![Delta logo]()
$715
This KLM deal was found by Cheapflights users on 4/4. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/292:51 pm
PWM
- LIS
2 stops18h 44m
KLM
lun. 5/47:45 pm
LIS
- PWM
2 stops25h 12m
KLM
Deal found 4/4![KLM logo]()
$768
This Turkish Airlines deal was found by Cheapflights users on 4/6. 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.
jue. 9/176:00 am
PWM
- LIS
2 stops22h 50m
Turkish Airlines
mar. 9/225:55 am
LIS
- PWM
2 stops46h 57m
Turkish Airlines
Deal found 4/6![Turkish Airlines logo]()
$804
This British Airways deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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.
vie. 4/249:50 pm
BOS
- FNC
1 stop33h 45m
British Airways
lun. 5/46:55 pm
FNC
- BOS
1 stop30h 10m
British Airways
Deal found 4/7![British Airways logo]()
$1,201
This Scandinavian Airlines deal was found by Cheapflights users on 4/3. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/221:29 pm
BOS
- LIS
2 stops21h 41m
Scandinavian Airlines
vie. 5/299:15 pm
LIS
- BOS
1 stop23h 20m
Scandinavian Airlines
Deal found 4/3![Scandinavian Airlines logo]()
$1,417
This oojo deal was found by Cheapflights users on 4/2. 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.
sáb. 4/259:15 pm
BOS
- GRW
2 stops15h 35m
Multiple Airlines
vie. 5/19:20 am
GRW
- BOS
2 stops14h 30m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$740
This Delta deal was found by Cheapflights users on 4/3. 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.
lun. 5/47:00 pm
BOS
- OPO
1 stop15h 25m
Delta
dom. 5/1011:45 am
OPO
- BOS
2 stops17h 03m
Delta
Deal found 4/3![Delta logo]()
$750
This United Airlines deal was found by Cheapflights users on 4/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/15:45 am
BOS
- FAO
2 stops24h 35m
United Airlines
jue. 9/1011:40 am
FAO
- BOS
1 stop12h 48m
United Airlines
Deal found 4/6![United Airlines logo]()
$766
This oojo deal was found by Cheapflights users on 4/3. 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.
dom. 5/1011:27 am
BOS
- TER
2 stops19h 13m
TAP AIR PORTUGAL
lun. 5/111:40 pm
TER
- BOS
2 stops34h 14m
TAP AIR PORTUGAL
Deal found 4/3![TAP AIR PORTUGAL logo]()
$1,570
This KLM deal was found by Cheapflights users on 4/3. 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.
dom. 9/207:00 pm
BOS
- FAO
1 stop33h 10m
KLM
dom. 10/49:20 am
FAO
- BOS
1 stop32h 55m
KLM
Deal found 4/3![KLM logo]()
$795
This Scandinavian Airlines deal was found by Cheapflights users on 4/4. 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.
mar. 9/155:40 pm
BOS
- LIS
2 stops17h 20m
Multiple Airlines
mié. 9/307:15 am
LIS
- BOS
2 stops20h 21m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$769
This United Airlines deal was found by Cheapflights users on 4/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/237:00 pm
BOS
- FAO
1 stop9h 50m
United Airlines
lun. 8/3111:40 am
FAO
- BOS
2 stops18h 25m
United Airlines
Deal found 4/5![United Airlines logo]()
$779
This KLM deal was found by Cheapflights users on 4/6. 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.
mar. 9/14:40 pm
BOS
- FAO
1 stop21h 50m
KLM
vie. 9/118:50 am
FAO
- BOS
1 stop14h 40m
KLM
Deal found 4/6![KLM logo]()
$806
This Gotogate deal was found by Cheapflights users on 4/5. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/259:15 pm
BOS
- SJZ
1 stop14h 25m
Multiple Airlines
mié. 5/2711:20 am
SJZ
- BOS
2 stops36h 30m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$776
This KLM deal was found by Cheapflights users on 4/4. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/144:40 pm
BOS
- FAO
1 stop11h 30m
KLM
mar. 9/2910:00 am
FAO
- BOS
2 stops17h 36m
KLM
Deal found 4/4![KLM logo]()
$816
This United Airlines deal was found by Cheapflights users on 4/3. 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.
mar. 5/129:30 am
BOS
- PDL
2 stops19h 10m
United Airlines
lun. 5/1811:00 am
PDL
- BOS
1 stop9h 24m
United Airlines
Deal found 4/3![United Airlines logo]()
$817
This Gotogate deal was found by Cheapflights users on 4/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/209:15 pm
BOS
- SJZ
1 stop14h 40m
Multiple Airlines
jue. 4/233:20 pm
SJZ
- BOS
1 stop8h 30m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$778
This Air Canada deal was found by Cheapflights users on 4/5. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/156:50 pm
BOS
- TER
2 stops14h 00m
Air Canada
lun. 6/297:05 am
TER
- BOS
3 stops18h 22m
Air Canada
Deal found 4/5![Air Canada logo]()
$2,082
This Delta deal was found by Cheapflights users on 4/5. 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.
dom. 5/178:25 pm
BOS
- OPO
1 stop20h 50m
Delta
lun. 6/811:25 am
OPO
- BOS
1 stop30h 40m
Delta
Deal found 4/5![Delta logo]()
$953
This United Airlines deal was found by Cheapflights users on 4/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/1710:35 am
BOS
- OPO
1 stop15h 25m
United Airlines
jue. 9/1711:50 am
OPO
- BOS
2 stops29h 57m
United Airlines
Deal found 4/6![United Airlines logo]()
$827
This KLM deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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.
sáb. 8/17:05 pm
BOS
- FAO
1 stop21h 05m
KLM
lun. 8/249:45 pm
FAO
- BOS
1 stop23h 52m
KLM
Deal found 4/7![KLM logo]()
$846
This Delta deal was found by Cheapflights users on 4/5. 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.
dom. 8/165:00 pm
BOS
- OPO
1 stop12h 25m
Delta
vie. 8/2111:25 am
OPO
- BOS
2 stops16h 11m
Delta
Deal found 4/5![Delta logo]()
$964
This oojo deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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.
sáb. 9/59:15 pm
BOS
- GRW
2 stops9h 10m
Multiple Airlines
mar. 9/88:55 am
GRW
- BOS
1 stop14h 55m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$798
This KLM deal was found by Cheapflights users on 4/5. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/311:25 pm
BOS
- LIS
Nonstop6h 20m
KLM
dom. 5/105:00 am
LIS
- BOS
1 stop13h 16m
KLM
Deal found 4/5![KLM logo]()
$852
This United Airlines deal was found by Cheapflights users on 4/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/65:44 pm
BOS
- PDL
1 stop10h 56m
United Airlines
mié. 7/1511:00 am
PDL
- BOS
1 stop9h 38m
United Airlines
Deal found 4/5![United Airlines logo]()
$895
This oojo deal was found by Cheapflights users on 4/4. 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.
jue. 5/78:23 pm
BOS
- PIX
2 stops32h 47m
Multiple Airlines
lun. 5/115:50 pm
PIX
- BOS
1 stop30h 00m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$820
This Delta deal was found by Cheapflights users on 4/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/411:25 pm
BOS
- LIS
Nonstop6h 20m
Delta
dom. 5/105:00 am
LIS
- BOS
1 stop13h 16m
Delta
Deal found 4/6![Delta logo]()
$1,002
This United Airlines deal was found by Cheapflights users on 4/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/55:44 pm
BOS
- PDL
1 stop10h 56m
United Airlines
jue. 7/1611:00 am
PDL
- BOS
1 stop9h 38m
United Airlines
Deal found 4/5![United Airlines logo]()
$895
Last-minute flights from Maine to PortugalDiscover last-minute flight deals from Maine to Portugal. Data last updated abril 8, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to Portugal. Data last updated abril 8, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 4/4. 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.
sáb. 4/2510:45 pm
BOS
- LIS
Nonstop6h 35m
TAP AIR PORTUGAL
sáb. 5/27:30 pm
LIS
- BOS
1 stop29h 50m
TAP AIR PORTUGAL
Deal found 4/4![TAP AIR PORTUGAL logo]()
$612
This Super.com deal was found by Cheapflights users on 4/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/2610:30 pm
BOS
- OPO
Nonstop6h 35m
TAP AIR PORTUGAL
mié. 9/309:00 am
OPO
- BOS
1 stop10h 45m
TAP AIR PORTUGAL
Deal found 4/6![TAP AIR PORTUGAL logo]()
$568
This FlightHub deal was found by Cheapflights users on 4/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/2610:30 pm
BOS
- OPO
Nonstop6h 35m
TAP AIR PORTUGAL
jue. 10/19:00 am
OPO
- BOS
1 stop16h 20m
TAP AIR PORTUGAL
Deal found 4/6![TAP AIR PORTUGAL logo]()
$584
This FlightHub deal was found by Cheapflights users on 4/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/276:05 pm
BOS
- OPO
1 stop10h 55m
TAP AIR PORTUGAL
mié. 9/309:00 am
OPO
- BOS
1 stop10h 45m
TAP AIR PORTUGAL
Deal found 4/6![TAP AIR PORTUGAL logo]()
$557
This oojo deal was found by Cheapflights users on 4/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/2810:45 pm
BOS
- OPO
1 stop13h 15m
TAP AIR PORTUGAL
jue. 5/147:00 am
OPO
- BOS
1 stop18h 20m
TAP AIR PORTUGAL
Deal found 4/6![TAP AIR PORTUGAL logo]()
$588
This oojo deal was found by Cheapflights users on 4/5. 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.
mié. 4/2910:45 pm
BOS
- OPO
1 stop13h 15m
TAP AIR PORTUGAL
mié. 5/66:00 pm
OPO
- BOS
Nonstop7h 20m
TAP AIR PORTUGAL
Deal found 4/5![TAP AIR PORTUGAL logo]()
$524
This FlightHub deal was found by Cheapflights users on 4/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/510:45 pm
BOS
- OPO
1 stop16h 40m
TAP AIR PORTUGAL
mié. 5/2011:00 am
OPO
- BOS
1 stop14h 20m
TAP AIR PORTUGAL
Deal found 4/6![TAP AIR PORTUGAL logo]()
$560
This oojo deal was found by Cheapflights users on 4/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/510:45 pm
BOS
- OPO
1 stop16h 40m
TAP AIR PORTUGAL
sáb. 10/1712:00 pm
OPO
- BOS
1 stop13h 20m
TAP AIR PORTUGAL
Deal found 4/6![TAP AIR PORTUGAL logo]()
$561
This Kiwi.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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. 5/510:45 pm
BOS
- OPO
1 stop20h 55m
TAP AIR PORTUGAL
mié. 5/1311:00 am
OPO
- BOS
1 stop14h 20m
TAP AIR PORTUGAL
Deal found 4/7![TAP AIR PORTUGAL logo]()
$567
This FlightHub deal was found by Cheapflights users on 4/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/510:45 pm
BOS
- OPO
1 stop16h 40m
TAP AIR PORTUGAL
dom. 10/49:00 am
OPO
- BOS
1 stop10h 40m
TAP AIR PORTUGAL
Deal found 4/6![TAP AIR PORTUGAL logo]()
$577
This oojo deal was found by Cheapflights users on 4/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/66:05 pm
BOS
- OPO
1 stop11h 05m
TAP AIR PORTUGAL
mié. 5/2010:00 am
OPO
- BOS
1 stop15h 20m
TAP AIR PORTUGAL
Deal found 4/6![TAP AIR PORTUGAL logo]()
$541
This oojo deal was found by Cheapflights users on 4/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/116:05 pm
BOS
- OPO
1 stop19h 55m
TAP AIR PORTUGAL
lun. 5/185:50 pm
OPO
- BOS
Nonstop7h 30m
TAP AIR PORTUGAL
Deal found 4/6![TAP AIR PORTUGAL logo]()
$496
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 abril 8, 2026.
Search for one-way flight options from Maine to Portugal. Find affordable one-way fares based on user searches. Data last updated abril 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
lun. 4/208:50 pm
BOS
- FNC
3 stops33h 45m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 4/2. 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.
lun. 4/2011:00 pm
BOS
- OPO
3 stops30h 10m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$297
This SmartFares deal was found by Cheapflights users on 4/4. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/209:15 pm
BOS
- PIX
1 stop10h 30m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/48:50 pm
BOS
- OPO
3 stops21h 50m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$322
This Mytrip deal was found by Cheapflights users on 4/4. 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.
lun. 8/319:15 pm
BOS
- LIS
1 stop19h 20m
Azores Airlines
Deal found 4/4![Azores Airlines logo]()
$323
This oojo deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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.
dom. 9/279:15 pm
BOS
- FNC
2 stops23h 20m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/38:50 pm
BOS
- OPO
3 stops45h 50m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$326
This Booking.com deal was found by Cheapflights users on 4/3. 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.
lun. 10/59:15 pm
BOS
- LIS
1 stop19h 20m
Azores Airlines
Deal found 4/3![Azores Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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.
dom. 4/128:50 pm
BOS
- OPO
3 stops42h 15m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$329
This Mytrip deal was found by Cheapflights users on 4/2. 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.
jue. 4/2311:00 pm
BOS
- OPO
3 stops28h 45m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$331
This Booking.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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.
dom. 9/2711:45 am
BOS
- FNC
1 stop19h 40m
Azores Airlines
Deal found 4/7![Azores Airlines logo]()
$332
This Booking.com deal was found by Cheapflights users on 4/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/219:15 pm
BOS
- LIS
1 stop19h 20m
Azores Airlines
Deal found 4/4![Azores Airlines logo]()
$334
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 abril 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $496 (oojo) |
One-way from | $288 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $1,233 |
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 abril 8, 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
mar. 8/11
5:45 am-7:00 am
1 stop20h 15m
Porto
jue. 9/3
11:50 am-6:07 pm
1 stop11h 17m
$647
BostonPico Island
BOS - PIX
BOSPIX
Boston Logan Intl
lun. 5/4
9:15 pm-11:15 am
1 stop10h 00m
Pico Island
lun. 5/11
5:50 pm-7:50 pm
1 stop30h 00m
$684
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
lun. 5/4
7:00 pm-3:25 pm
1 stop15h 25m
Porto
lun. 5/18
6:30 am-7:03 pm
2 stops17h 33m
$715
BostonSanta Cruz da Graciosa
BOS - GRW
BOSGRW
Boston Logan Intl
sáb. 4/25
9:15 pm-4:50 pm
2 stops15h 35m
Santa Cruz da Graciosa Graciosa Island
vie. 5/1
9:20 am-7:50 pm
2 stops14h 30m
$740
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
lun. 5/4
7:00 pm-3:25 pm
1 stop15h 25m
Porto
dom. 5/10
11:45 am-11:48 pm
2 stops17h 03m
$750
BostonFaro
BOS - FAO
BOSFAO
Boston Logan Intl
mar. 9/1
5:45 am-11:20 am
2 stops24h 35m
Faro
jue. 9/10
11:40 am-7:28 pm
1 stop12h 48m
$766
PortlandLisbon
PWM - LIS
PWMLIS
Portland
mié. 4/29
2:51 pm-2:35 pm
2 stops18h 44m
Lisbon Humberto Delgado
lun. 5/4
7:45 pm-3:57 pm
2 stops25h 12m
$768
BostonLisbon
BOS - LIS
BOSLIS
Boston Logan Intl
mar. 9/15
5:40 pm-4:00 pm
2 stops17h 20m
Lisbon Humberto Delgado
mié. 9/30
7:15 am-10:36 pm
2 stops20h 21m
$769
BostonVelas
BOS - SJZ
BOSSJZ
Boston Logan Intl
lun. 5/25
9:15 pm-3:40 pm
1 stop14h 25m
Velas Sao Jorge Island
mié. 5/27
11:20 am-7:50 pm
2 stops36h 30m
$776
BostonVelas
BOS - SJZ
BOSSJZ
Boston Logan Intl
lun. 4/20
9:15 pm-3:55 pm
1 stop14h 40m
Velas Sao Jorge Island
jue. 4/23
3:20 pm-7:50 pm
1 stop8h 30m
$778
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-PIX
PWM-LIS
BOS-FNC
BOS-LIS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Maine to Portugal
USME-PT0
BOS-OPO
BOS-PIX
PWM-LIS
BOS-FNC
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 abril 8, 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 abril 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$550 | Average$721 | FlexibilityNo cancel fee | On-time69% |