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Maine

$208+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — PWM
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
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 June 18, 2025.

Round-trip from

$457
(Booking.com)

One-way from

$208
(Kiwi.com)
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 June 18, 2025.

This Booking.com deal was found by Cheapflights users on 6/17. 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.
Wed 9/106:10 pmOPO - BOS
Nonstop7h 35mTAP AIR PORTUGAL
Wed 9/1711:05 pmBOS - OPO
Nonstop6h 40mTAP AIR PORTUGAL
Deal found 6/17$457
This Travelocity deal was found by Cheapflights users on 6/16. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/118:15 amOPO - BOS
1 stop16h 35mBritish Airways
Thu 9/254:30 pmBOS - OPO
2 stops22h 50mBritish Airways
Deal found 6/16$527
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 11/59:05 pmLIS - BOS
1 stop28h 50mMultiple Airlines
Sat 11/159:20 pmBOS - LIS
2 stops13h 05mMultiple Airlines
Deal found 6/16$539
This American Airlines deal was found by Cheapflights users on 6/15. 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 11/2710:40 amLIS - BOS
2 stops18h 04mAmerican Airlines
Thu 12/47:25 pmBOS - LIS
1 stop11h 45mAmerican Airlines
Deal found 6/15$546
This Delta deal was found by Cheapflights users on 6/16. 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.
Thu 9/114:20 pmOPO - BOS
2 stops20h 05mDelta
Thu 9/259:55 amBOS - OPO
2 stops17h 30mDelta
Deal found 6/16$551
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 11/65:15 pmLIS - BOS
Nonstop7h 55mTAP AIR PORTUGAL
Sat 11/156:05 pmBOS - LIS
Nonstop6h 30mTAP AIR PORTUGAL
Deal found 6/16$556
This British Airways deal was found by Cheapflights users on 6/16. 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.
Sat 11/88:20 amLIS - BOS
1 stop11h 55mBritish Airways
Sat 11/156:25 pmBOS - LIS
1 stop12h 45mBritish Airways
Deal found 6/16$557
This Travelocity deal was found by Cheapflights users on 6/17. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2812:30 pmLIS - BOS
2 stops15h 49mIberia
Wed 11/59:20 pmBOS - LIS
1 stop15h 45mIberia
Deal found 6/17$558
This American Airlines deal was found by Cheapflights users on 6/17. 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.
Wed 9/108:15 amOPO - BOS
1 stop16h 35mAmerican Airlines
Wed 9/171:00 pmBOS - OPO
2 stops13h 35mAmerican Airlines
Deal found 6/17$586
This Mytrip deal was found by Cheapflights users on 6/17. 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 9/108:40 amOPO - BOS
3 stops34h 40mMultiple Airlines
Wed 9/176:10 pmBOS - OPO
2 stops16h 15mMultiple Airlines
Deal found 6/17$590
This United Airlines deal was found by Cheapflights users on 6/16. 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 11/75:00 amLIS - BOS
1 stop13h 25mUnited Airlines
Sat 11/154:20 pmBOS - LIS
2 stops12h 55mUnited Airlines
Deal found 6/16$625
This Rumbo deal was found by Cheapflights users on 6/17. 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.
Wed 9/1012:20 pmOPO - BOS
2 stops15h 30mIberia
Wed 9/171:00 pmBOS - OPO
2 stops13h 35mIberia
Deal found 6/17$626

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 June 18, 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

Wed 9/10

6:10 pm-8:45 pm

Nonstop7h 35m

Boston Logan Intl

Wed 9/17

11:05 pm-10:45 am

Nonstop6h 40m

$457

PortoBoston

OPO - BOS

OPOBOS

Porto

Thu 9/11

8:15 am-7:50 pm

1 stop16h 35m

Boston Logan Intl

Thu 9/25

4:30 pm-8:20 pm

2 stops22h 50m

$527

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Wed 11/5

9:05 pm-8:55 pm

1 stop28h 50m

Boston Logan Intl

Sat 11/15

9:20 pm-3:25 pm

2 stops13h 05m

$539

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Thu 11/27

10:40 am-11:44 pm

2 stops18h 04m

Boston Logan Intl

Thu 12/4

7:25 pm-12:10 pm

1 stop11h 45m

$546

PortoBoston

OPO - BOS

OPOBOS

Porto

Thu 9/11

4:20 pm-7:25 am

2 stops20h 05m

Boston Logan Intl

Thu 9/25

9:55 am-8:25 am

2 stops17h 30m

$551

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Thu 11/6

5:15 pm-8:10 pm

Nonstop7h 55m

Boston Logan Intl

Sat 11/15

6:05 pm-5:35 am

Nonstop6h 30m

$556

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Sat 11/8

8:20 am-3:15 pm

1 stop11h 55m

Boston Logan Intl

Sat 11/15

6:25 pm-12:10 pm

1 stop12h 45m

$557

LisbonBoston

LIS - BOS

LISBOS

Lisbon Humberto Delgado

Tue 10/28

12:30 pm-12:19 am

2 stops15h 49m

Boston Logan Intl

Wed 11/5

9:20 pm-6:05 pm

1 stop15h 45m

$558

PortoBoston

OPO - BOS

OPOBOS

Porto

Wed 9/10

8:15 am-7:50 pm

1 stop16h 35m

Boston Logan Intl

Wed 9/17

1:00 pm-7:35 am

2 stops13h 35m

$586

PortoBoston

OPO - BOS

OPOBOS

Porto

Wed 9/10

8:40 am-2:20 pm

3 stops34h 40m

Boston Logan Intl

Wed 9/17

6:10 pm-3:25 pm

2 stops16h 15m

$590

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 57 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 June 18, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Air Transat 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
7,964 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,364 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Transat
7.8
Good
398 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Azores Airlines
7.6
Good
66 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,467 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $236. Azores Airlines flights start at $337 while deals on Iberia start at $352 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 July is currently the most expensive (average of $394). 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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