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Maine

$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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — PWM
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$516
(Iberia)

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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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 May 1, 2025.

This Iberia deal was found by Cheapflights users on 5/1. 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.
Thu 5/2912:20 pmOPO - BOS
1 stop12h 30mMultiple Airlines
Thu 6/59:55 pmBOS - OPO
1 stop17h 25mMultiple Airlines
Deal found 5/1$516
This British Airways deal was found by Cheapflights users on 5/1. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1912:20 pmOPO - BOS
2 stops15h 29mBritish Airways
Sun 5/257:25 amBOS - OPO
1 stop22h 25mBritish Airways
Deal found 5/1$520
This Iberia deal was found by Cheapflights users on 4/30. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1212:20 pmOPO - BOS
1 stop12h 30mIberia
Sat 10/254:30 pmBOS - OPO
1 stop15h 15mIberia
Deal found 4/30$533
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/710:15 pmLIS - BOS
2 stops24h 35mMultiple Airlines
Tue 5/137:15 pmBOS - LIS
2 stops15h 25mMultiple Airlines
Deal found 4/30$547
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/176:35 amLIS - BOS
2 stops17h 49mAmerican Airlines
Mon 5/267:00 amBOS - LIS
1 stop21h 05mAmerican Airlines
Deal found 4/30$550
This Finnair deal was found by Cheapflights users on 5/1. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/176:35 amLIS - BOS
1 stop13h 25mFinnair
Mon 5/2610:00 pmBOS - LIS
1 stop20h 10mFinnair
Deal found 5/1$559
This Air France deal was found by Cheapflights users on 4/30. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/105:40 amLIS - BOS
1 stop12h 55mAir France
Tue 5/137:20 pmBOS - LIS
1 stop10h 55mAir France
Deal found 4/30$561
This Delta deal was found by Cheapflights users on 4/30. 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.
Sat 5/175:40 amLIS - BOS
1 stop12h 55mDelta
Mon 5/265:20 pmBOS - LIS
1 stop12h 55mDelta
Deal found 4/30$562
This Iberia deal was found by Cheapflights users on 5/1. 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.
Thu 5/158:25 amLIS - BOS
1 stop16h 25mIberia
Sat 5/319:20 pmBOS - LIS
1 stop21h 05mIberia
Deal found 5/1$566
This AirNGo deal was found by Cheapflights users on 5/1. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/77:10 amLIS - BOS
2 stops15h 07mBritish Airways
Sun 7/138:05 pmBOS - LIS
1 stop15h 15mBritish Airways
Deal found 5/1$569
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/126:00 pmOPO - BOS
Nonstop7h 40mTAP AIR PORTUGAL
Sat 10/256:10 pmBOS - OPO
1 stop15h 50mTAP AIR PORTUGAL
Deal found 4/30$573
This KLM deal was found by Cheapflights users on 4/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/88:20 pmOPO - BOS
1 stop25h 05mKLM
Thu 5/155:20 pmBOS - OPO
1 stop10h 05mKLM
Deal found 4/30$575

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 May 1, 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 5/29

12:20 pm-7:50 pm

1 stop12h 30m

Boston Logan Intl

Thu 6/5

9:55 pm-8:20 pm

1 stop17h 25m

$516

PortoBoston

OPO - BOS

OPOBOS

Porto

Mon 5/19

12:20 pm-10:49 pm

2 stops15h 29m

Boston Logan Intl

Sun 5/25

7:25 am-10:50 am

1 stop22h 25m

$520

PortoBoston

OPO - BOS

OPOBOS

Porto

Sun 10/12

12:20 pm-7:50 pm

1 stop12h 30m

Boston Logan Intl

Sat 10/25

4:30 pm-12:45 pm

1 stop15h 15m

$533

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Sat 5/17

6:35 am-7:24 pm

2 stops17h 49m

Boston Logan Intl

Mon 5/26

7:00 am-9:05 am

1 stop21h 05m

$550

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Fri 5/30

6:35 am-7:50 pm

1 stop18h 15m

Boston Logan Intl

Thu 8/28

7:30 am-11:10 pm

1 stop10h 40m

$556

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Sat 5/17

6:35 am-3:00 pm

1 stop13h 25m

Boston Logan Intl

Mon 5/26

10:00 pm-11:10 pm

1 stop20h 10m

$559

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Sat 5/17

5:40 am-1:35 pm

1 stop12h 55m

Boston Logan Intl

Mon 5/26

5:20 pm-11:15 am

1 stop12h 55m

$562

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Fri 5/23

5:40 am-1:35 pm

1 stop12h 55m

Boston Logan Intl

Fri 6/6

11:25 pm-11:00 am

Nonstop6h 35m

$565

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Thu 5/15

8:25 am-7:50 pm

1 stop16h 25m

Boston Logan Intl

Sat 5/31

9:20 pm-11:25 pm

1 stop21h 05m

$566

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Sat 6/7

7:10 am-5:17 pm

2 stops15h 07m

Boston Logan Intl

Sun 7/13

8:05 pm-4:20 pm

1 stop15h 15m

$569

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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 May 1, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Azores Airlines 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
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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
7.6
Good
66 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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
SWISS
7.5
Good
1,589 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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 Vueling, which is currently one of the cheapest options available, starting at $314. Azores Airlines flights start at $315 while deals on TAP AIR PORTUGAL start at $326 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 $405). 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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