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Portugal

$236+ Cheap flights from Maine to Portugal

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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LIS
abr. 7 — abr. 141
lun. 4/7
lun. 4/14
1 adult, Economy
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Cheap flight deals from Maine to Portugal

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

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$427
(Mytrip)

One-way from

$236
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$981
Provider with most accurate pricing for Portland-Lisbon Humberto Delgado flight deals.
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From Maine to Portugal
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One-way flight from Maine to Portugal
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Highest demand for flights based on searches. 39% potential increase in price ($607 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($73 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Maine to Portugal

Cheapest flights from Maine to Portugal
Explore the most affordable flight options available from Maine to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 2, 2025.

This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/27:15 pmBOS - FAO
1 stop20h 30mPLAY
mié. 5/79:45 pmFAO - BOS
1 stop25h 05mPLAY
Deal found 4/1$427
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/57:15 pmBOS - FNC
1 stop14h 40mPLAY
mar. 5/203:55 pmFNC - BOS
1 stop30h 55mPLAY
Deal found 4/1$489
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/99:15 pmBOS - TER
1 stop13h 00mMultiple Airlines
jue. 10/1612:40 pmTER - BOS
1 stop11h 10mMultiple Airlines
Deal found 4/1$508
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.
jue. 10/99:15 pmBOS - HOR
1 stop8h 20mMultiple Airlines
mié. 10/1512:30 pmHOR - BOS
1 stop11h 20mMultiple Airlines
Deal found 4/1$517
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/99:15 pmBOS - PIX
1 stop17h 15mMultiple Airlines
mié. 10/159:25 amPIX - BOS
1 stop14h 25mMultiple Airlines
Deal found 4/1$519
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/2611:15 pmBOS - OPO
Nonstop6h 40mTAP AIR PORTUGAL
mié. 6/46:10 pmOPO - BOS
Nonstop7h 35mTAP AIR PORTUGAL
Deal found 4/1$539
This Air Canada 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/263:20 pmBOS - OPO
2 stops19h 55mMultiple Airlines
lun. 11/37:30 pmOPO - BOS
2 stops29h 48mMultiple Airlines
Deal found 4/1$548
This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/1310:40 pmBOS - PDL
1 stop12h 05mTAP AIR PORTUGAL
jue. 10/236:30 amPDL - BOS
1 stop17h 20mTAP AIR PORTUGAL
Deal found 3/31$551
This FlightHub deal was found by Cheapflights users on 4/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/265:40 pmBOS - OPO
1 stop12h 20mScandinavian Airlines
mié. 9/1011:50 amOPO - BOS
1 stop32h 45mScandinavian Airlines
Deal found 4/2$554
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/27:15 pmBOS - FAO
2 stops21h 25mMultiple Airlines
vie. 5/910:00 pmFAO - BOS
2 stops24h 50mMultiple Airlines
Deal found 3/31$554
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/119:20 pmBOS - LIS
2 stops19h 55mMultiple Airlines
mar. 11/185:50 pmLIS - BOS
1 stop31h 15mMultiple Airlines
Deal found 4/1$561
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/2810:20 pmBOS - PDL
Nonstop4h 55mAzores Airlines
sáb. 11/85:55 pmPDL - BOS
Nonstop6h 10mAzores Airlines
Deal found 4/1$561

Cheapflights Fare Finder

Customize your flight search to find flights from Maine to Portugal 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 abril 2, 2025.
Use the filters below to find and compare flights from Maine to Portugal that are best for you.

Fly from

Maine

Fly to

Portugal

Route

Depart

Return

Price

BostonFaro

BOS - FAO

BOSFAO

Boston Logan Intl

vie. 5/2

7:15 pm-8:45 pm

1 stop20h 30m

Faro

mié. 5/7

9:45 pm-5:50 pm

1 stop25h 05m

$427

BostonFunchal

BOS - FNC

BOSFNC

Boston Logan Intl

lun. 5/5

7:15 pm-2:55 pm

1 stop14h 40m

Funchal Madeira

mar. 5/20

3:55 pm-5:50 pm

1 stop30h 55m

$489

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

lun. 5/26

11:15 pm-10:55 am

Nonstop6h 40m

Porto

mié. 6/4

6:10 pm-8:45 pm

Nonstop7h 35m

$539

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

mar. 8/26

5:40 pm-11:00 am

1 stop12h 20m

Porto

mié. 9/10

11:50 am-3:35 pm

1 stop32h 45m

$554

BostonFaro

BOS - FAO

BOSFAO

Boston Logan Intl

vie. 5/2

7:15 pm-9:40 pm

2 stops21h 25m

Faro

vie. 5/9

10:00 pm-5:50 pm

2 stops24h 50m

$554

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

mié. 7/23

4:30 pm-7:35 am

1 stop10h 05m

Porto

lun. 8/25

8:35 pm-3:00 pm

1 stop23h 25m

$561

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

mar. 4/29

11:55 pm-5:05 pm

1 stop12h 10m

Lisbon Humberto Delgado

mié. 5/7

2:00 pm-9:05 pm

1 stop12h 05m

$564

BostonPonta Delgada

BOS - PDL

BOSPDL

Boston Logan Intl

lun. 4/28

9:15 pm-8:05 pm

1 stop18h 50m

Ponta Delgada Nordela

lun. 5/5

8:15 pm-7:50 pm

1 stop27h 35m

$564

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

dom. 5/4

7:15 pm-10:00 pm

2 stops21h 45m

Lisbon Humberto Delgado

sáb. 5/10

9:55 pm-5:50 pm

2 stops24h 55m

$568

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

dom. 4/27

10:20 pm-3:30 pm

1 stop12h 10m

Porto

mar. 5/6

4:20 pm-1:35 pm

1 stop26h 15m

$569

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 Maine to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Maine 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 Maine to Portugal

What is the cheapest time of day to fly from ME to PT?

Find hourly flight availability from Maine to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 2, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Maine to Portugal as you normally would.

Rainfall in Portugal by month

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

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

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

If weather is an important factor for your trip to Portugal, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated abril 2, 2025.
To help decide which airline to fly from Maine to Portugal, see what other customers have to say about Delta, KLM and Azores Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,898 reviews

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,898 reviews
Delta
8.0
Very good
7,898 reviews

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,898 reviews

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Azores Airlines
7.5
Good
64 reviews
Delta
8.0
Very good
7,898 reviews

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,572 reviews
Delta
8.0
Very good
7,898 reviews

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,427 reviews
Delta
8.0
Very good
7,898 reviews

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Maine to Portugal. 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 Maine to Portugal one-way?

    For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as $236. Users have also found prices from $248 and $280 on Azores Airlines and Iberia, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Maine to Portugal 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 Maine to Portugal?

    Currently, January is the cheapest month in which you can book a flight from Maine to Portugal (average of $612). Flying from Maine to Portugal in June is currently the most expensive (average of $1,203). 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 Maine to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Maine to Portugal

Discover the top airline that operate flights from Maine to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated abril 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$550Average$981FlexibilityNo cancel feeOn-time69%

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