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$307+ 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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — PWM
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
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 December 4, 2025.

This Iberia deal was found by Cheapflights users on 12/3. 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.
Tue 12/166:30 amLIS - BOS
1 stop13h 45mIberia
Thu 1/2210:40 pmBOS - LIS
1 stop16h 45mIberia
Deal found 12/3$589
This American Airlines deal was found by Cheapflights users on 12/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1411:05 amLIS - BOS
2 stops13h 49mAmerican Airlines
Wed 1/712:56 pmBOS - LIS
1 stop12h 59mAmerican Airlines
Deal found 12/2$591
This Rumbo deal was found by Cheapflights users on 12/2. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:55 amLIS - BOS
1 stop12h 42mBritish Airways
Fri 1/2311:10 amBOS - LIS
2 stops19h 55mBritish Airways
Deal found 12/2$599
This Kiwi.com deal was found by Cheapflights users on 12/2. 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.
Wed 12/249:05 pmLIS - BOS
1 stop28h 50mMultiple Airlines
Sun 1/49:25 pmBOS - LIS
2 stops43h 50mMultiple Airlines
Deal found 12/2$600
This Kiwi.com deal was found by Cheapflights users on 12/2. 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.
Thu 12/251:55 pmLIS - BOS
1 stop12h 00mMultiple Airlines
Fri 1/239:15 pmBOS - LIS
2 stops21h 00mMultiple Airlines
Deal found 12/2$601
This Finnair deal was found by Cheapflights users on 12/2. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2010:40 amLIS - BOS
1 stop12h 23mMultiple Airlines
Wed 1/217:15 pmBOS - LIS
1 stop11h 55mMultiple Airlines
Deal found 12/2$609
This AirNGo deal was found by Cheapflights users on 12/2. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:00 amLIS - BOS
1 stop14h 00mBritish Airways
Wed 2/412:56 pmBOS - LIS
2 stops20h 54mBritish Airways
Deal found 12/2$620
This Cheapflightsfares deal was found by Cheapflights users on 12/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/65:15 pmLIS - BOS
Nonstop7h 55mTAP AIR PORTUGAL
Sun 12/710:45 pmBOS - LIS
Nonstop6h 30mTAP AIR PORTUGAL
Deal found 12/2$621
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/225:00 amLIS - BOS
1 stop13h 25mLufthansa
Wed 1/218:40 pmBOS - LIS
1 stop21h 50mLufthansa
Deal found 12/3$623
This Rumbo deal was found by Cheapflights users on 12/2. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:15 pmLIS - BOS
Nonstop7h 55mTAP AIR PORTUGAL
Fri 1/2310:45 pmBOS - LIS
Nonstop6h 30mTAP AIR PORTUGAL
Deal found 12/2$628
This Rumbo deal was found by Cheapflights users on 12/3. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1611:50 amLIS - BOS
Nonstop7h 55mTAP AIR PORTUGAL
Thu 1/226:05 pmBOS - LIS
Nonstop6h 30mTAP AIR PORTUGAL
Deal found 12/3$630
This KLM deal was found by Cheapflights users on 12/3. 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.
Thu 12/2511:15 amOPO - BOS
1 stop31h 05mKLM
Sat 1/108:20 pmBOS - OPO
1 stop33h 10mKLM
Deal found 12/3$638

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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$333
(Kiwi.com)

One-way from

$307
(SmartFares)
Provider with most accurate pricing for Lisbon Humberto Delgado-Portland flight deals.
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Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Portland flights.
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From Portugal to Maine
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One-way flight from Portugal to Maine
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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 December 4, 2025.
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

Tue 3/3

8:45 am-8:55 pm

1 stop17h 10m

Boston Logan Intl

Tue 3/17

11:40 pm-9:15 pm

1 stop17h 35m

$508

Ponta DelgadaBoston

PDL - BOS

PDLBOS

Ponta Delgada Nordela

Mon 1/12

8:05 pm-7:55 pm

1 stop27h 50m

Boston Logan Intl

Sun 1/18

6:05 pm-8:20 am

1 stop10h 15m

$517

PortoBoston

OPO - BOS

OPOBOS

Porto

Mon 3/2

9:40 am-8:55 pm

1 stop16h 15m

Boston Logan Intl

Sun 3/15

7:05 pm-10:00 am

1 stop10h 55m

$526

FunchalBoston

FNC - BOS

FNCBOS

Funchal Madeira

Wed 1/28

1:10 pm-8:55 pm

2 stops36h 45m

Boston Logan Intl

Sun 2/8

7:25 pm-2:35 pm

1 stop14h 10m

$531

FunchalBoston

FNC - BOS

FNCBOS

Funchal Madeira

Wed 1/28

1:10 pm-8:55 pm

2 stops36h 45m

Boston Logan Intl

Thu 2/5

7:25 pm-1:35 pm

1 stop13h 10m

$531

FunchalBoston

FNC - BOS

FNCBOS

Funchal Madeira

Thu 1/29

9:25 pm-8:55 pm

2 stops52h 30m

Boston Logan Intl

Sun 2/8

7:25 pm-2:35 pm

1 stop14h 10m

$536

PortoBoston

OPO - BOS

OPOBOS

Porto

Wed 1/21

8:00 pm-2:35 pm

1 stop23h 35m

Boston Logan Intl

Tue 1/27

6:05 pm-10:00 pm

1 stop22h 55m

$552

FunchalBoston

FNC - BOS

FNCBOS

Funchal Madeira

Sat 1/31

6:30 am-8:55 pm

2 stops19h 25m

Boston Logan Intl

Sun 2/8

7:25 pm-2:35 pm

1 stop14h 10m

$555

FunchalBoston

FNC - BOS

FNCBOS

Funchal Madeira

Fri 1/23

9:15 pm-8:55 pm

2 stops52h 40m

Boston Logan Intl

Tue 1/27

5:10 pm-1:50 pm

1 stop15h 40m

$556

PortoBoston

OPO - BOS

OPOBOS

Porto

Sun 3/1

6:00 am-1:10 pm

1 stop12h 10m

Boston Logan Intl

Wed 3/18

7:45 pm-9:30 am

1 stop9h 45m

$561

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

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?

    TAP AIR PORTUGAL, United Airlines, and Delta can get you from Portugal to Maine in just under 12h 10m. Your travel time can differ by up to 11h 25m. 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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