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Lisbon

$305+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LIS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This oojo deal was found by Cheapflights users on 12/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:22 pmBOS - LIS
1 stop12h 33mBritish Airways
Thu 1/812:55 pmLIS - BOS
1 stop14h 00mBritish Airways
Deal found 12/17$664
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/312:15 pmBOS - LIS
1 stop15h 00mUnited Airlines
Tue 1/2011:20 amLIS - BOS
2 stops31h 57mUnited Airlines
Deal found 12/16$687
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/305:30 amBOS - LIS
1 stop22h 50mUnited Airlines
Tue 1/2011:20 amLIS - BOS
1 stop13h 22mUnited Airlines
Deal found 12/16$698
This Delta deal was found by Cheapflights users on 12/16. 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.
Tue 12/308:35 pmBOS - LIS
Nonstop6h 25mDelta
Tue 1/2010:00 amLIS - BOS
1 stop17h 22mDelta
Deal found 12/16$702
This KLM deal was found by Cheapflights users on 12/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:35 pmBOS - LIS
Nonstop6h 25mMultiple Airlines
Tue 1/205:30 amLIS - BOS
1 stop13h 10mMultiple Airlines
Deal found 12/17$703
This Air Canada deal was found by Cheapflights users on 12/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:15 amBOS - LIS
2 stops22h 05mAir Canada
Tue 1/2011:20 amLIS - BOS
2 stops16h 17mAir Canada
Deal found 12/16$711
This Gotogate deal was found by Cheapflights users on 12/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:40 pmBOS - LIS
2 stops21h 10mMultiple Airlines
Thu 1/812:40 pmLIS - BOS
2 stops26h 22mMultiple Airlines
Deal found 12/16$802
This CheapOair deal was found by Cheapflights users on 12/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:45 amBOS - LIS
2 stops23h 05mAir Canada
Thu 1/812:40 pmLIS - BOS
2 stops26h 22mAir Canada
Deal found 12/16$826
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/3110:19 amPWM - LIS
1 stop18h 56mUnited Airlines
Tue 1/611:20 amLIS - PWM
2 stops31h 36mUnited Airlines
Deal found 12/16$1,273
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2310:19 amPWM - LIS
1 stop18h 56mUnited Airlines
Thu 1/110:15 amLIS - PWM
1 stop12h 56mUnited Airlines
Deal found 12/17$2,079
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/231:03 pmPWM - LIS
1 stop14h 57mDelta
Thu 1/15:00 amLIS - PWM
2 stops22h 43mDelta
Deal found 12/17$2,536
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Mon 12/227:30 pmPWM - LIS
1 stop9h 45mUnited Airlines
Sat 1/310:15 amLIS - PWM
1 stop13h 12mUnited Airlines
Deal found 12/16$2,784

Find flight deals from Maine to Lisbon

Keep the following information in mind while searching for Maine to Lisbon flight deals. Data was last updated December 18, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$490
(United Airlines)

One-way from

$305
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$869
Provider with most accurate pricing for Boston Logan Intl-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-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. 13% potential increase in price ($119 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 18, 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

PortlandLisbon

PWM - LIS

PWMLIS

Portland

Fri 1/30

3:12 pm-8:10 am

1 stop11h 58m

Lisbon Humberto Delgado

Fri 2/6

10:55 am-6:54 pm

2 stops36h 59m

$490

PortlandLisbon

PWM - LIS

PWMLIS

Portland

Wed 1/21

7:27 pm-9:20 am

2 stops32h 53m

Lisbon Humberto Delgado

Sun 1/25

10:50 am-11:30 pm

2 stops41h 40m

$493

PortlandLisbon

PWM - LIS

PWMLIS

Portland

Fri 1/23

3:12 pm-8:10 am

1 stop11h 58m

Lisbon Humberto Delgado

Tue 1/27

10:15 am-2:31 pm

2 stops33h 16m

$511

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Wed 2/18

12:35 pm-8:10 am

2 stops14h 35m

Lisbon Humberto Delgado

Wed 2/25

6:10 am-6:35 pm

1 stop17h 25m

$516

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Thu 3/12

9:30 pm-5:30 pm

1 stop16h 00m

Lisbon Humberto Delgado

Mon 3/16

10:00 am-6:27 pm

1 stop12h 27m

$521

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Tue 3/3

7:45 am-9:20 am

2 stops20h 35m

Lisbon Humberto Delgado

Mon 3/16

11:20 am-2:31 pm

2 stops31h 11m

$522

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sun 2/22

9:45 am-10:15 am

2 stops19h 30m

Lisbon Humberto Delgado

Sun 3/1

10:50 am-10:36 am

2 stops28h 46m

$523

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sun 2/22

5:35 pm-4:30 pm

1 stop17h 55m

Lisbon Humberto Delgado

Thu 2/26

6:55 pm-3:50 pm

1 stop25h 55m

$529

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sun 3/15

6:35 pm-4:30 pm

1 stop17h 55m

Lisbon Humberto Delgado

Fri 3/20

6:55 am-10:54 pm

2 stops19h 59m

$557

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Tue 1/20

6:05 pm-5:35 am

Nonstop6h 30m

Lisbon Humberto Delgado

Mon 2/2

11:40 am-2:35 pm

Nonstop7h 55m

$561

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 30 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 December 18, 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 11h 58m. There are 3123 mi between Maine and Lisbon. This flight may include one or multiple stops.

  • 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
Fátima
Oeiras
Ericeira
Costa da Caparica
Torres Vedras
Beja
Nazaré
Sesimbra
Colares

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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$578Average$778FlexibilityNo cancel feeOn-time69%

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