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Lisbon

$306+ Cheap flights from Maine to Lisbon (LIS)

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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LIS
déc. 16 — déc. 231
mar. 12/16
mar. 12/23
1 adult, Economy
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Find flight deals from Maine to Lisbon

Cheapest flights from Maine to Lisbon
Explore the most affordable flight options available from Maine to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on novembre 16, 2025.

This Mytrip deal was found by Cheapflights users on 11/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 11/2810:45 amBOS - LIS
2 stops29h 25mMultiple Airlines
jeu. 12/48:30 pmLIS - BOS
3 stops27h 42mMultiple Airlines
Deal found 11/15$491
This American Airlines deal was found by Cheapflights users on 11/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 12/118:00 amBOS - LIS
1 stop20h 05mAmerican Airlines
jeu. 12/188:20 amLIS - BOS
1 stop11h 55mAmerican Airlines
Deal found 11/14$494
This Kiwi.com deal was found by Cheapflights users on 11/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/94:45 pmBOS - LIS
1 stop20h 20mIberia
mar. 12/169:05 amLIS - BOS
1 stop16h 50mIberia
Deal found 11/14$499
This KLM deal was found by Cheapflights users on 11/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/308:35 pmBOS - LIS
Nonstop6h 25mMultiple Airlines
jeu. 2/1910:00 amLIS - BOS
1 stop13h 24mMultiple Airlines
Deal found 11/14$501
This Mytrip deal was found by Cheapflights users on 11/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 11/285:10 pmBOS - LIS
1 stop12h 00mAer Lingus
jeu. 12/410:50 amLIS - BOS
1 stop13h 05mAer Lingus
Deal found 11/15$502
This Mytrip deal was found by Cheapflights users on 11/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 11/2910:15 amBOS - LIS
3 stops27h 00mMultiple Airlines
sam. 12/69:45 pmLIS - BOS
2 stops23h 12mMultiple Airlines
Deal found 11/15$503
This Delta deal was found by Cheapflights users on 11/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/315:00 pmBOS - LIS
1 stop10h 40mDelta
dim. 2/1510:00 amLIS - BOS
1 stop13h 24mDelta
Deal found 11/14$506
This KLM deal was found by Cheapflights users on 11/12. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/102:34 pmPWM - LIS
1 stop13h 06mKLM
mer. 12/1710:00 amLIS - PWM
1 stop19h 04mKLM
Deal found 11/12$506
This KLM deal was found by Cheapflights users on 11/12. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/102:34 pmPWM - LIS
1 stop13h 06mMultiple Airlines
mer. 12/1711:15 amLIS - PWM
2 stops17h 49mMultiple Airlines
Deal found 11/12$510
This American Airlines deal was found by Cheapflights users on 11/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/105:46 amPWM - LIS
2 stops20h 09mAmerican Airlines
mer. 12/1711:05 amLIS - PWM
2 stops17h 32mAmerican Airlines
Deal found 11/12$553
This United Airlines deal was found by Cheapflights users on 11/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/13:20 pmPWM - LIS
1 stop11h 50mUnited Airlines
lun. 12/811:20 amLIS - PWM
2 stops31h 18mUnited Airlines
Deal found 11/13$582
This Delta deal was found by Cheapflights users on 11/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/14:53 pmPWM - LIS
2 stops17h 17mDelta
lun. 12/811:25 amLIS - PWM
2 stops17h 34mDelta
Deal found 11/13$593

Cheap flight deals from Maine to Lisbon

Keep the following information in mind while searching for Maine to Lisbon flight deals. Data was last updated novembre 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$491
(Delta)

One-way from

$306
(Mytrip)

Popular in

December

Cheapest in

February

Average price

$728
Provider with most accurate pricing for Portland-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Lisbon Humberto Delgado flights.
Search Deals
From Maine to Lisbon Humberto Delgado
Search Deals
One-way flight from Maine to Lisbon Humberto Delgado
Search Deals
Highest demand for flights based on searches. 47% potential increase in price ($1,337 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 62% potential price decrease ($555 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Maine to Lisbon 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 novembre 16, 2025.
Use the filters below to find and compare flights from Maine to Lisbon that are best for you.

Fly from

Maine

Fly to

Lisbon

Route

Depart

Return

Price

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

sam. 2/21

5:10 pm-9:05 am

1 stop10h 55m

Lisbon Humberto Delgado

sam. 2/28

6:30 am-7:50 pm

1 stop18h 20m

$494

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

ven. 1/9

6:54 pm-8:50 am

1 stop8h 56m

Lisbon Humberto Delgado

ven. 1/16

6:30 am-7:50 pm

1 stop18h 20m

$494

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

jeu. 2/19

8:40 pm-8:00 am

Nonstop6h 20m

Lisbon Humberto Delgado

jeu. 2/26

10:00 am-10:21 pm

1 stop17h 21m

$501

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

ven. 2/20

8:40 pm-8:00 am

Nonstop6h 20m

Lisbon Humberto Delgado

sam. 2/28

5:30 am-4:20 pm

1 stop15h 50m

$502

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

jeu. 2/19

8:40 pm-8:00 am

Nonstop6h 20m

Lisbon Humberto Delgado

sam. 2/28

5:30 am-4:20 pm

1 stop15h 50m

$502

PortlandLisbon

PWM - LIS

PWMLIS

Portland

mer. 12/10

2:34 pm-8:40 am

1 stop13h 06m

Lisbon Humberto Delgado

mer. 12/17

10:00 am-12:04 am

1 stop19h 04m

$506

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

mar. 1/6

10:03 am-8:00 am

1 stop16h 57m

Lisbon Humberto Delgado

sam. 1/17

5:30 am-6:30 pm

2 stops18h 00m

$517

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

dim. 1/18

5:05 pm-8:00 am

1 stop9h 55m

Lisbon Humberto Delgado

jeu. 1/29

5:30 am-6:30 pm

2 stops18h 00m

$517

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

dim. 1/18

5:05 pm-3:10 pm

2 stops17h 05m

Lisbon Humberto Delgado

dim. 1/25

5:30 am-6:30 pm

2 stops18h 00m

$536

PortlandLisbon

PWM - LIS

PWMLIS

Portland

jeu. 1/8

3:12 pm-8:10 am

1 stop11h 58m

Lisbon Humberto Delgado

jeu. 1/15

5:00 am-6:50 pm

2 stops18h 50m

$574

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/15

Showing 1-10 of 32 results
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Best time to book a flight from Maine to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon 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 Lisbon

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

Find hourly flight availability from Maine to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated novembre 16, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 36% on flights from Maine to Lisbon by exploring options for tickets in the evening.

How much does it cost to fly round-trip from Maine to Lisbon?

Related info for your journey

Find useful and relevant information for your journey from Maine to Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Lisbon from Maine?

    If you book a flight to Lisbon from Maine, you will be flying to Humberto Delgado, which is the city’s only airport. Lisbon Humberto Delgado (LIS) is located 4.2 mi from the center of Lisbon.

  • How long is the flight from Maine to Lisbon?

    Departing from Maine to Lisbon will take you 6h 20m. There are 3182 mi between Maine and Lisbon. This flight may include one or multiple stops.

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

    One-way options have recently been found by users for as low as $309 on LEVEL. Other airlines that offer cheap prices include Scandinavian Airlines from $377 and KLM from $419 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Maine to Lisbon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Fátima
Oeiras
Ericeira
Nazaré
Costa da Caparica
Torres Vedras
Beja
Sesimbra
Colares

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Maine to Lisbon

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 Lisbon

Discover the top airline that operate flights from Maine to Lisbon. 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 novembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$578Average$778FlexibilityNo cancel feeOn-time69%

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