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$308+ 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 12/19. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — PWM
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
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 August 14, 2025.

Round-trip from

$450
(lol.travel)

One-way from

$308
(Flightnetwork)
From Portugal to Maine
Search Deals
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 August 14, 2025.

This lol.travel deal was found by Cheapflights users on 8/12. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/156:05 pmOPO - BOS
Nonstop7h 40mTAP AIR PORTUGAL
Mon 9/2211:15 pmBOS - OPO
Nonstop6h 40mTAP AIR PORTUGAL
Deal found 8/12$450
This oojo deal was found by Cheapflights users on 8/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/156:05 pmOPO - BOS
Nonstop7h 40mTAP AIR PORTUGAL
Sat 10/1111:15 pmBOS - OPO
Nonstop6h 40mTAP AIR PORTUGAL
Deal found 8/13$464
This oojo deal was found by Cheapflights users on 8/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1210:00 amOPO - BOS
1 stop15h 05mTAP AIR PORTUGAL
Wed 9/2411:05 pmBOS - OPO
Nonstop6h 40mTAP AIR PORTUGAL
Deal found 8/12$482
This Mytrip deal was found by Cheapflights users on 8/12. 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.
Sun 9/75:45 pmOPO - BOS
Nonstop7h 40mTAP AIR PORTUGAL
Sat 9/136:10 pmBOS - OPO
1 stop17h 50mTAP AIR PORTUGAL
Deal found 8/12$493
This oojo deal was found by Cheapflights users on 8/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/198:00 pmOPO - BOS
1 stop23h 35mTAP AIR PORTUGAL
Wed 1/146:05 pmBOS - OPO
1 stop19h 55mTAP AIR PORTUGAL
Deal found 8/12$496
This oojo deal was found by Cheapflights users on 8/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/259:00 amOPO - BOS
1 stop10h 20mTAP AIR PORTUGAL
Thu 10/910:25 pmBOS - OPO
1 stop17h 00mTAP AIR PORTUGAL
Deal found 8/12$497
This Gotogate deal was found by Cheapflights users on 8/14. 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.
Sat 12/2012:40 pmOPO - BOS
1 stop12h 25mMultiple Airlines
Sun 12/288:40 pmBOS - OPO
1 stop11h 10mMultiple Airlines
Deal found 8/14$517
This FlightHub deal was found by Cheapflights users on 8/12. 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.
Tue 11/189:00 amOPO - BOS
1 stop10h 35mTAP AIR PORTUGAL
Thu 1/156:05 pmBOS - OPO
1 stop10h 50mTAP AIR PORTUGAL
Deal found 8/12$521
This AirNGo deal was found by Cheapflights users on 8/13. 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.
Mon 9/86:05 pmOPO - BOS
Nonstop7h 40mTAP AIR PORTUGAL
Mon 9/156:10 pmBOS - OPO
1 stop21h 15mTAP AIR PORTUGAL
Deal found 8/13$522
This Gotogate deal was found by Cheapflights users on 8/13. 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.
Sun 11/169:30 amPDL - BOS
1 stop14h 40mTAP AIR PORTUGAL
Sun 12/710:45 pmBOS - PDL
1 stop29h 30mTAP AIR PORTUGAL
Deal found 8/13$538
This Ticket deal was found by Cheapflights users on 8/14. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/116:05 pmPDL - BOS
Nonstop5h 45mAzores Airlines
Wed 9/179:15 pmBOS - PDL
Nonstop5h 05mAzores Airlines
Deal found 8/14$545
This oojo deal was found by Cheapflights users on 8/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/126:30 amPDL - BOS
1 stop17h 35mTAP AIR PORTUGAL
Thu 12/46:05 pmBOS - PDL
1 stop20h 25mTAP AIR PORTUGAL
Deal found 8/14$546

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 August 14, 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

Mon 9/15

6:05 pm-8:45 pm

Nonstop7h 40m

Boston Logan Intl

Mon 9/22

11:15 pm-10:55 am

Nonstop6h 40m

$450

PortoBoston

OPO - BOS

OPOBOS

Porto

Mon 9/15

6:05 pm-8:45 pm

Nonstop7h 40m

Boston Logan Intl

Sat 10/11

11:15 pm-10:55 am

Nonstop6h 40m

$464

PortoBoston

OPO - BOS

OPOBOS

Porto

Sun 9/28

9:15 pm-2:20 pm

1 stop22h 05m

Boston Logan Intl

Sun 10/5

10:55 pm-10:35 am

Nonstop6h 40m

$482

PortoBoston

OPO - BOS

OPOBOS

Porto

Fri 9/12

10:00 am-8:05 pm

1 stop15h 05m

Boston Logan Intl

Wed 9/24

11:05 pm-10:45 am

Nonstop6h 40m

$482

PortoBoston

OPO - BOS

OPOBOS

Porto

Sun 9/14

5:45 pm-8:25 pm

Nonstop7h 40m

Boston Logan Intl

Sat 9/20

6:10 pm-7:00 pm

1 stop19h 50m

$493

PortoBoston

OPO - BOS

OPOBOS

Porto

Sun 9/7

5:45 pm-8:25 pm

Nonstop7h 40m

Boston Logan Intl

Sat 9/13

6:10 pm-5:00 pm

1 stop17h 50m

$493

PortoBoston

OPO - BOS

OPOBOS

Porto

Wed 11/19

8:00 pm-2:35 pm

1 stop23h 35m

Boston Logan Intl

Wed 1/14

6:05 pm-7:00 pm

1 stop19h 55m

$496

PortoBoston

OPO - BOS

OPOBOS

Porto

Thu 9/25

9:00 am-2:20 pm

1 stop10h 20m

Boston Logan Intl

Thu 10/9

10:25 pm-8:25 pm

1 stop17h 00m

$497

Ponta DelgadaBoston

PDL - BOS

PDLBOS

Ponta Delgada Nordela

Sun 11/16

9:30 am-8:10 pm

1 stop14h 40m

Boston Logan Intl

Sun 12/7

10:45 pm-8:15 am

1 stop29h 30m

$538

Ponta DelgadaBoston

PDL - BOS

PDLBOS

Ponta Delgada Nordela

Thu 9/11

6:05 pm-7:50 pm

Nonstop5h 45m

Boston Logan Intl

Wed 9/17

9:15 pm-6:20 am

Nonstop5h 05m

$545

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 59 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.

  • 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 $308. Iberia flights start at $321 while deals on TAP AIR PORTUGAL start at $375 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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