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Lisbon

$290+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LIS
Dec 25 — Jan 11
Thu 12/25
Thu 1/1
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 November 25, 2025.

This lol.travel deal was found by Cheapflights users on 11/24. 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.
Thu 11/2710:45 pmBOS - LIS
Nonstop6h 30mTAP AIR PORTUGAL
Fri 12/511:40 amLIS - BOS
Nonstop7h 55mTAP AIR PORTUGAL
Deal found 11/24$505
This Delta deal was found by Cheapflights users on 11/24. 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 12/307:00 amBOS - LIS
1 stop21h 00mDelta
Fri 2/1310:00 amLIS - BOS
1 stop17h 25mDelta
Deal found 11/24$511
This Delta deal was found by Cheapflights users on 11/24. 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
Sat 2/711:25 amLIS - BOS
2 stops26h 02mDelta
Deal found 11/24$513
This Kiwi.com deal was found by Cheapflights users on 11/25. 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.
Tue 12/210:40 pmBOS - LIS
1 stop13h 15mMultiple Airlines
Thu 12/111:15 pmLIS - BOS
1 stop12h 40mMultiple Airlines
Deal found 11/25$515
This Mytrip deal was found by Cheapflights users on 11/25. 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.
Tue 12/29:20 pmBOS - LIS
1 stop17h 30mMultiple Airlines
Tue 12/98:55 pmLIS - BOS
1 stop22h 00mMultiple Airlines
Deal found 11/25$518
This CheapOair deal was found by Cheapflights users on 11/24. 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.
Mon 12/295:20 pmBOS - LIS
1 stop11h 50mAer Lingus
Thu 4/3011:25 amLIS - BOS
1 stop15h 35mAer Lingus
Deal found 11/24$521
This Delta deal was found by Cheapflights users on 11/24. 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 12/307:00 amBOS - LIS
1 stop21h 00mDelta
Mon 2/95:30 amLIS - BOS
2 stops16h 52mDelta
Deal found 11/24$522
This LEVEL deal was found by Cheapflights users on 11/24. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/210:40 pmBOS - LIS
1 stop16h 45mLEVEL
Wed 12/105:40 pmLIS - BOS
1 stop32h 15mLEVEL
Deal found 11/24$528
This United Airlines deal was found by Cheapflights users on 11/24. 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 12/13:20 pmPWM - LIS
1 stop11h 50mUnited Airlines
Mon 12/811:20 amLIS - PWM
2 stops38h 57mUnited Airlines
Deal found 11/24$582
This United Airlines deal was found by Cheapflights users on 11/25. 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 12/53:20 pmPWM - LIS
1 stop11h 50mUnited Airlines
Fri 12/125:00 amLIS - PWM
2 stops18h 42mUnited Airlines
Deal found 11/25$585
This KLM deal was found by Cheapflights users on 11/24. 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.
Mon 12/12:30 pmPWM - LIS
1 stop13h 30mKLM
Mon 12/810:00 amLIS - PWM
1 stop18h 59mKLM
Deal found 11/24$599
This Air France deal was found by Cheapflights users on 11/25. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/12:30 pmPWM - LIS
2 stops12h 30mMultiple Airlines
Mon 12/811:25 amLIS - PWM
2 stops17h 34mMultiple Airlines
Deal found 11/25$753

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 November 25, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$496
(KAYAK)

One-way from

$290
(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 November 25, 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

2:35 pm-8:00 am

1 stop12h 25m

Lisbon Humberto Delgado

Tue 2/3

5:00 am-12:03 pm

2 stops36h 03m

$496

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Fri 1/23

5:05 pm-8:00 am

1 stop9h 55m

Lisbon Humberto Delgado

Tue 2/17

5:30 am-9:27 pm

2 stops20h 57m

$517

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sun 4/12

5:40 pm-4:00 pm

2 stops17h 20m

Lisbon Humberto Delgado

Mon 4/20

4:25 pm-3:35 pm

1 stop28h 10m

$522

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Fri 1/23

5:05 pm-3:10 pm

2 stops17h 05m

Lisbon Humberto Delgado

Fri 2/13

10:00 am-6:21 pm

1 stop13h 21m

$524

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Tue 5/5

10:50 pm-9:30 pm

1 stop17h 40m

Lisbon Humberto Delgado

Tue 5/12

10:10 pm-9:05 pm

1 stop27h 55m

$533

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Tue 4/14

5:40 pm-3:35 pm

1 stop16h 55m

Lisbon Humberto Delgado

Sat 4/18

4:25 pm-3:35 pm

1 stop28h 10m

$538

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Fri 4/10

5:40 pm-3:35 pm

1 stop16h 55m

Lisbon Humberto Delgado

Sat 4/18

4:25 pm-3:35 pm

1 stop28h 10m

$538

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Mon 4/13

5:40 pm-3:35 pm

1 stop16h 55m

Lisbon Humberto Delgado

Wed 4/22

4:25 pm-3:35 pm

1 stop28h 10m

$538

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Mon 4/13

5:40 pm-3:35 pm

1 stop16h 55m

Lisbon Humberto Delgado

Mon 4/20

4:25 pm-3:35 pm

1 stop28h 10m

$538

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Tue 1/27

1:25 pm-4:05 pm

2 stops21h 40m

Lisbon Humberto Delgado

Wed 2/4

7:05 am-10:22 pm

2 stops20h 17m

$544

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

Showing 1-10 of 25 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 November 25, 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.

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 12h 25m. 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
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 November 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$578Average$778FlexibilityNo cancel feeOn-time69%

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