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Lisbon

$311+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LIS
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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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 September 16, 2025.

Round-trip from

$497
(Kiwi.com)

One-way from

$311
(United Airlines)

Popular in

May

Cheapest in

February

Average price

$825
From Maine to Lisbon Humberto Delgado
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One-way flight from Maine to Lisbon Humberto Delgado
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Highest demand for flights based on searches. 31% potential increase in price ($391 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($72 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 16, 2025.

This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/88:05 pmBOS - LIS
2 stops20h 45mMultiple Airlines
Tue 10/1410:05 pmLIS - BOS
2 stops22h 20mMultiple Airlines
Deal found 9/16$496
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/148:05 pmBOS - LIS
1 stop12h 35mMultiple Airlines
Wed 10/225:55 amLIS - BOS
1 stop14h 30mMultiple Airlines
Deal found 9/15$497
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:40 pmBOS - LIS
1 stop9h 40mUnited Airlines
Tue 12/211:20 amLIS - BOS
1 stop15h 07mUnited Airlines
Deal found 9/14$498
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:40 pmBOS - LIS
1 stop9h 40mMultiple Airlines
Tue 11/1112:35 pmLIS - BOS
1 stop12h 45mMultiple Airlines
Deal found 9/14$499
This Icelandair deal was found by Cheapflights users on 9/16. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/158:50 pmBOS - LIS
1 stop19h 30mIcelandair
Sun 10/1910:25 pmLIS - BOS
1 stop25h 25mIcelandair
Deal found 9/16$500
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/169:25 pmBOS - LIS
1 stop19h 10mAer Lingus
Thu 10/2311:25 amLIS - BOS
1 stop12h 20mAer Lingus
Deal found 9/14$501
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/96:55 pmBOS - LIS
1 stop11h 10mUnited Airlines
Fri 10/1712:20 pmLIS - BOS
2 stops15h 37mUnited Airlines
Deal found 9/15$502
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/213:15 pmBOS - LIS
1 stop13h 05mUnited Airlines
Fri 11/76:10 amLIS - BOS
1 stop17h 25mUnited Airlines
Deal found 9/15$503
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/88:05 pmBOS - LIS
1 stop12h 35mLufthansa
Fri 10/246:15 amLIS - BOS
1 stop16h 25mLufthansa
Deal found 9/13$504
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:00 amBOS - LIS
2 stops24h 05mUnited Airlines
Wed 10/226:15 amLIS - BOS
1 stop16h 25mUnited Airlines
Deal found 9/14$505
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:55 pmBOS - LIS
2 stops32h 25mMultiple Airlines
Tue 11/2512:35 pmLIS - BOS
1 stop12h 45mMultiple Airlines
Deal found 9/14$506
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/78:05 pmBOS - LIS
1 stop20h 45mUnited Airlines
Sat 10/186:15 amLIS - BOS
1 stop16h 25mUnited Airlines
Deal found 9/14$507

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 September 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

Wed 10/22

8:00 am-9:20 am

2 stops20h 20m

Lisbon Humberto Delgado

Wed 10/29

6:10 am-7:35 pm

1 stop17h 25m

$498

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Wed 10/8

8:05 pm-1:40 pm

1 stop12h 35m

Lisbon Humberto Delgado

Sat 10/18

6:15 am-5:40 pm

1 stop16h 25m

$507

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Fri 10/17

6:00 am-11:05 am

1 stop24h 05m

Lisbon Humberto Delgado

Wed 10/22

6:45 am-8:10 pm

1 stop18h 25m

$508

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Thu 10/30

10:25 am-10:15 am

2 stops19h 50m

Lisbon Humberto Delgado

Tue 3/31

6:15 am-5:40 pm

1 stop16h 25m

$513

PortlandLisbon

PWM - LIS

PWMLIS

Portland

Mon 12/1

2:30 pm-9:00 am

1 stop13h 30m

Lisbon Humberto Delgado

Mon 12/8

10:00 am-11:59 pm

1 stop18h 59m

$527

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sat 12/13

5:30 am-8:10 am

2 stops21h 40m

Lisbon Humberto Delgado

Sat 12/20

11:20 am-9:32 am

1 stop27h 12m

$541

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Thu 11/6

8:40 pm-1:20 pm

1 stop11h 40m

Lisbon Humberto Delgado

Tue 11/18

5:00 am-5:15 pm

2 stops17h 15m

$543

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Mon 11/17

9:50 pm-11:25 am

1 stop32h 35m

Lisbon Humberto Delgado

Sun 11/30

1:35 pm-8:20 pm

2 stops35h 45m

$544

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sun 11/2

5:30 am-8:10 am

2 stops21h 40m

Lisbon Humberto Delgado

Tue 3/31

10:25 am-11:54 pm

2 stops18h 29m

$546

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Thu 10/23

5:00 pm-8:00 am

1 stop10h 00m

Lisbon Humberto Delgado

Sun 11/2

5:00 am-2:20 pm

1 stop13h 20m

$551

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 28 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 September 16, 2025.

When flying from Maine to Lisbon, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 13h 30m. There are 3123 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 $311 on United Airlines. Other airlines that offer cheap prices include Icelandair from $312 and TAP AIR PORTUGAL from $316 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.

  • What is the cheapest month to book a flight from Maine to Lisbon?

    Currently, January is the cheapest month in which you can book a flight from Maine to Lisbon (average of $612). Flying from Maine to Lisbon in June is currently the most expensive (average of $1,127). 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

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Fátima
Oeiras
Beja
Nazaré
Ericeira
Costa da Caparica
Torres Vedras
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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$578Average$777FlexibilityNo cancel feeOn-time69%

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