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Maine

$321+ Cheap flights from Portugal to Maine

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 2/16. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — PWM
Mar 2 — Mar 91
Mon 3/2
Mon 3/9
1 adult, Economy
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Cheap flight deals from Portugal to Maine

Cheapest flights from Portugal to Maine
Explore the most affordable flight options available from Portugal to Maine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 31, 2026.

This Mytrip deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 2/196:00 am
OPO
-
BOS
2 stops17h 35m
Lufthansa
Wed 2/254:15 pm
BOS
-
OPO
1 stop14h 25m
Lufthansa
Deal found 1/31$431
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Sat 2/146:00 am
OPO
-
BOS
1 stop12h 35m
Lufthansa
Sat 2/218:40 pm
BOS
-
OPO
1 stop11h 10m
Lufthansa
Deal found 1/28$447
This Kiwi.com deal was found by Cheapflights users on 1/30. 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 2/156:00 am
OPO
-
BOS
1 stop12h 35m
Lufthansa
Sat 2/218:40 pm
BOS
-
OPO
1 stop11h 10m
Lufthansa
Deal found 1/30$450
This United Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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.
Thu 2/196:00 am
OPO
-
BOS
1 stop12h 35m
United Airlines
Wed 2/259:30 am
BOS
-
OPO
2 stops19h 00m
United Airlines
Deal found 1/31$459
This United Airlines deal was found by Cheapflights users on 1/30. 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.
Sun 2/156:00 am
OPO
-
BOS
1 stop12h 35m
United Airlines
Sat 2/214:15 pm
BOS
-
OPO
1 stop12h 15m
United Airlines
Deal found 1/30$461
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/66:00 am
OPO
-
BOS
1 stop12h 10m
United Airlines
Mon 3/92:15 pm
BOS
-
OPO
2 stops15h 15m
United Airlines
Deal found 1/28$462
This Mytrip deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 3/176:00 am
OPO
-
BOS
1 stop12h 10m
Multiple Airlines
Tue 3/245:30 am
BOS
-
OPO
2 stops25h 45m
Multiple Airlines
Deal found 1/31$463
This United Airlines deal was found by Cheapflights users on 1/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/146:00 am
OPO
-
BOS
2 stops37h 29m
United Airlines
Sat 2/217:19 pm
BOS
-
OPO
2 stops33h 11m
United Airlines
Deal found 1/29$467
This Delta deal was found by Cheapflights users on 1/30. 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.
Sun 2/85:00 am
OPO
-
BOS
1 stop13h 25m
Delta
Wed 3/41:04 pm
BOS
-
OPO
2 stops16h 26m
Delta
Deal found 1/30$469
This flugladen.de deal was found by Cheapflights users on 1/28. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/154:10 am
FNC
-
BOS
1 stop15h 25m
TAP AIR PORTUGAL
Sun 3/227:05 pm
BOS
-
FNC
1 stop10h 10m
TAP AIR PORTUGAL
Deal found 1/28$513
This Trip.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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.
Fri 2/2010:55 am
LIS
-
BOS
Nonstop7h 50m
Virgin Atlantic
Thu 2/266:00 am
BOS
-
LIS
1 stop21h 55m
Virgin Atlantic
Deal found 1/31$515
This Mytrip deal was found by Cheapflights users on 1/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/153:20 pm
FNC
-
BOS
1 stop27h 15m
Multiple Airlines
Sun 2/2210:10 pm
BOS
-
FNC
1 stop33h 55m
Multiple Airlines
Deal found 1/29$515

Find flight deals from Portugal to Maine

Keep the following information in mind while searching for Portugal to Maine flight deals. Data was last updated January 31, 2026.

Round-trip from

$431
(Mytrip)

One-way from

$321
(Mytrip)
From Portugal to Maine
Search Deals
One-way flight from Portugal to Maine
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portugal to Maine 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 January 31, 2026.
Use the filters below to find and compare flights from Portugal to Maine that are best for you.

Fly from

Portugal

Fly to

Maine

Route

Depart

Return

Price

PortoBoston

OPO - BOS

OPOBOS

Porto

Thu 2/19

6:00 am-6:35 pm

2 stops17h 35m

Boston Logan Intl

Wed 2/25

4:15 pm-11:40 am

1 stop14h 25m

$431

PortoBoston

OPO - BOS

OPOBOS

Porto

Thu 2/19

6:00 am-1:35 pm

1 stop12h 35m

Boston Logan Intl

Wed 2/25

9:30 am-9:30 am

2 stops19h 00m

$459

PortoBoston

OPO - BOS

OPOBOS

Porto

Fri 3/6

6:00 am-1:10 pm

1 stop12h 10m

Boston Logan Intl

Mon 3/9

2:15 pm-9:30 am

2 stops15h 15m

$459

PortoBoston

OPO - BOS

OPOBOS

Porto

Sun 2/15

6:00 am-1:35 pm

1 stop12h 35m

Boston Logan Intl

Sat 2/21

6:25 pm-9:30 am

1 stop10h 05m

$461

PortoBoston

OPO - BOS

OPOBOS

Porto

Sat 2/14

6:00 am-1:35 pm

1 stop12h 35m

Boston Logan Intl

Sat 2/21

4:15 pm-9:30 am

1 stop12h 15m

$462

PortoBoston

OPO - BOS

OPOBOS

Porto

Tue 3/17

6:00 am-2:10 pm

1 stop12h 10m

Boston Logan Intl

Tue 3/24

5:30 am-11:15 am

2 stops25h 45m

$463

FunchalBoston

FNC - BOS

FNCBOS

Funchal Madeira

Sun 3/15

4:10 am-3:35 pm

1 stop15h 25m

Boston Logan Intl

Sun 3/22

7:05 pm-9:15 am

1 stop10h 10m

$513

FunchalBoston

FNC - BOS

FNCBOS

Funchal Madeira

Sun 2/15

3:20 pm-1:35 pm

1 stop27h 15m

Boston Logan Intl

Sun 2/22

10:10 pm-1:05 pm

1 stop33h 55m

$515

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Sun 2/22

11:55 am-10:36 am

1 stop27h 41m

Boston Logan Intl

Sun 3/1

8:40 pm-11:30 pm

1 stop21h 50m

$516

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Tue 2/17

11:05 am-11:23 pm

1 stop17h 18m

Boston Logan Intl

Sat 3/7

9:35 pm-10:30 pm

1 stop19h 55m

$519

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 60 results
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Best time to book a flight from Portugal to Maine

Have a flexible travel schedule? Discover the best time to fly to Maine from Portugal with our price prediction graph.
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 Portugal to Maine
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 Portugal to Maine. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portugal to Maine?

    Lufthansa, United Airlines, and TAP AIR PORTUGAL can get you from Portugal to Maine in just under 12h 35m. Your travel time can differ by up to 5h. Airlines will cover a distance of 3134 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Portugal to Maine that include hotel bookings?

    Yes. In addition to deals on Portugal to Maine flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portugal to Maine?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portugal to Maine.

  • Can I find deals for business class flights from Portugal to Maine?

    Yes. Cheapflights offers flight deals from Portugal to Maine by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Portugal to Maine

See prices for flight routes from nearby airports that may be better suited for you.
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