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Maine

$290+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — PWM
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
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Cheap flight deals from Portugal to Maine

Keep the following information in mind while searching for Portugal to Maine flight deals. Data was last updated April 2, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$429
(Booking.com)

One-way from

$290
(Mytrip)
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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Find 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 April 2, 2025.

This Booking.com deal was found by Cheapflights users on 3/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/19:10 pmOPO - BOS
1 stop25h 40mPLAY
Sat 5/107:15 pmBOS - OPO
1 stop19h 50mPLAY
Deal found 3/31$429
This Booking.com deal was found by Cheapflights users on 4/1. 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.
Thu 9/256:05 pmPDL - BOS
Nonstop5h 45mAzores Airlines
Thu 10/29:15 pmBOS - PDL
Nonstop5h 05mAzores Airlines
Deal found 4/1$523
This Booking.com deal was found by Cheapflights users on 4/1. 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.
Thu 9/256:30 amPDL - BOS
1 stop11h 45mMultiple Airlines
Thu 10/29:15 pmBOS - PDL
Nonstop5h 05mMultiple Airlines
Deal found 4/1$539
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Sat 5/178:15 amOPO - BOS
1 stop16h 35mMultiple Airlines
Mon 5/268:05 pmBOS - OPO
1 stop18h 45mMultiple Airlines
Deal found 4/1$543
This Cheapflightsfares deal was found by Cheapflights users on 4/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1411:45 amLIS - BOS
Nonstop7h 30mTAP AIR PORTUGAL
Sat 10/256:10 pmBOS - LIS
Nonstop6h 30mTAP AIR PORTUGAL
Deal found 4/1$544
This KLM deal was found by Cheapflights users on 3/31. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/218:10 pmOPO - BOS
1 stop22h 25mKLM
Wed 6/46:50 pmBOS - OPO
1 stop15h 40mKLM
Deal found 3/31$544
This Air France deal was found by Cheapflights users on 4/1. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1812:45 pmLIS - BOS
Nonstop7h 35mAir France
Sun 4/2710:20 pmBOS - LIS
1 stop11h 30mAir France
Deal found 4/1$545
This KLM deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/157:30 pmLIS - BOS
1 stop23h 05mKLM
Sat 5/314:40 pmBOS - LIS
1 stop16h 55mKLM
Deal found 4/1$546
This Delta deal was found by Cheapflights users on 4/1. 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.
Fri 4/1812:45 pmLIS - BOS
Nonstop7h 35mDelta
Sun 4/277:20 pmBOS - LIS
1 stop10h 55mDelta
Deal found 4/1$548
This American Airlines deal was found by Cheapflights users on 3/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1011:05 amLIS - BOS
1 stop26h 27mAmerican Airlines
Sat 4/198:00 pmBOS - LIS
1 stop22h 10mAmerican Airlines
Deal found 3/31$550
This Booking.com deal was found by Cheapflights users on 4/1. 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.
Sat 5/175:40 pmOPO - BOS
Nonstop7h 40mTAP AIR PORTUGAL
Mon 5/2611:15 pmBOS - OPO
Nonstop6h 40mTAP AIR PORTUGAL
Deal found 4/1$550
This Virgin Atlantic deal was found by Cheapflights users on 4/1. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1812:45 pmLIS - BOS
Nonstop7h 35mVirgin Atlantic
Sun 4/2711:25 pmBOS - LIS
Nonstop6h 20mVirgin Atlantic
Deal found 4/1$552

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 April 2, 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

Thu 5/1

9:10 pm-5:50 pm

1 stop25h 40m

Boston Logan Intl

Sat 5/10

7:15 pm-8:05 pm

1 stop19h 50m

$429

Ponta DelgadaBoston

PDL - BOS

PDLBOS

Ponta Delgada Nordela

Thu 9/25

6:05 pm-7:50 pm

Nonstop5h 45m

Boston Logan Intl

Thu 10/2

9:15 pm-6:20 am

Nonstop5h 05m

$523

Ponta DelgadaBoston

PDL - BOS

PDLBOS

Ponta Delgada Nordela

Thu 9/25

6:30 am-2:15 pm

1 stop11h 45m

Boston Logan Intl

Thu 10/2

9:15 pm-6:20 am

Nonstop5h 05m

$539

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Sat 4/12

7:30 pm-4:25 pm

1 stop25h 55m

Boston Logan Intl

Sat 4/19

11:25 pm-10:45 am

Nonstop6h 20m

$540

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Wed 5/7

9:00 am-3:00 pm

1 stop11h 00m

Boston Logan Intl

Mon 5/19

8:05 pm-11:10 pm

1 stop22h 05m

$543

PortoBoston

OPO - BOS

OPOBOS

Porto

Sat 5/17

8:15 am-7:50 pm

1 stop16h 35m

Boston Logan Intl

Mon 5/26

8:05 pm-7:50 pm

1 stop18h 45m

$543

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Sun 9/14

11:45 am-2:15 pm

Nonstop7h 30m

Boston Logan Intl

Sat 10/25

6:10 pm-5:40 am

Nonstop6h 30m

$544

PortoBoston

OPO - BOS

OPOBOS

Porto

Wed 5/21

8:10 pm-1:35 pm

1 stop22h 25m

Boston Logan Intl

Wed 6/4

6:50 pm-3:30 pm

1 stop15h 40m

$544

PortoBoston

OPO - BOS

OPOBOS

Porto

Sat 5/17

5:40 pm-8:20 pm

Nonstop7h 40m

Boston Logan Intl

Mon 5/26

11:15 pm-10:55 am

Nonstop6h 40m

$550

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Tue 6/10

8:25 am-5:17 pm

2 stops13h 52m

Boston Logan Intl

Tue 6/24

7:25 am-11:10 pm

1 stop10h 45m

$552

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

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

Rainfall in Maine by month

Plan your trip to Maine by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Maine ranges from 2.9 - 4.5 inches per month. November is typically the wettest month, when rainfall can reach 4.5 in. August is typically the driest time to visit Maine when rainfall is around 2.9 in.

Temperature in Maine by month

Plan your trip to Maine by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Maine, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Maine

Get insights into the airlines that provide service to Maine. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Maine. Reviews last updated April 2, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Portugal to Maine to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
771 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Azores Airlines
7.5
Good
64 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines to fly from Portugal to Maine one-way?

    To fly one-way, consider booking your trip with Azores Airlines, which is currently one of the cheapest options available, starting at $311. TAP AIR PORTUGAL flights start at $315 while deals on PLAY start at $399 one-way.

  • 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.

  • What is the cheapest month to book a flight from Portugal to Maine?

    Currently, January is the cheapest month in which you can book a flight from Portugal to Maine (average of $296). Flying from Portugal to Maine in May is currently the most expensive (average of $416). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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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