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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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LIS
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
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 January 21, 2026.

This British Airways deal was found by Cheapflights users on 1/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2412:49 pm
PWM
-
LIS
2 stops23h 51m
Multiple Airlines
Tue 3/37:05 am
LIS
-
PWM
2 stops21h 45m
Multiple Airlines
Deal found 1/21$474
This United Airlines deal was found by Cheapflights users on 1/21. 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 2/243:05 pm
PWM
-
LIS
1 stop12h 05m
United Airlines
Tue 3/35:00 am
LIS
-
PWM
2 stops21h 09m
United Airlines
Deal found 1/21$495
This Delta deal was found by Cheapflights users on 1/19. 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.
Wed 3/46:30 am
PWM
-
LIS
1 stop21h 10m
Delta
Wed 3/185:00 am
LIS
-
PWM
2 stops22h 22m
Delta
Deal found 1/19$498
This Booking.com deal was found by Cheapflights users on 1/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/205:10 pm
BOS
-
LIS
1 stop12h 00m
Aer Lingus
Fri 2/2710:50 am
LIS
-
BOS
1 stop13h 09m
Aer Lingus
Deal found 1/21$499
This United Airlines deal was found by Cheapflights users on 1/19. 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 3/33:05 pm
PWM
-
LIS
2 stops14h 10m
United Airlines
Wed 3/185:00 am
LIS
-
PWM
2 stops17h 25m
United Airlines
Deal found 1/19$499
This United Airlines deal was found by Cheapflights users on 1/20. 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 2/174:15 pm
BOS
-
LIS
1 stop10h 55m
United Airlines
Thu 2/2611:20 am
LIS
-
BOS
1 stop13h 22m
United Airlines
Deal found 1/20$500
This United Airlines deal was found by Cheapflights users on 1/20. 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 2/1910:15 am
BOS
-
LIS
1 stop16h 40m
United Airlines
Thu 3/56:10 am
LIS
-
BOS
1 stop17h 25m
United Airlines
Deal found 1/20$501
This Delta deal was found by Cheapflights users on 1/19. 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.
Mon 3/92:30 pm
PWM
-
LIS
2 stops20h 40m
Delta
Wed 3/1811:25 am
LIS
-
PWM
2 stops40h 34m
Delta
Deal found 1/19$501
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Sat 2/214:15 pm
BOS
-
LIS
1 stop10h 55m
United Airlines
Fri 3/66:10 am
LIS
-
BOS
1 stop17h 25m
United Airlines
Deal found 1/20$502
This Delta deal was found by Cheapflights users on 1/19. 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 3/36:00 am
PWM
-
LIS
2 stops21h 00m
Delta
Thu 3/195:00 am
LIS
-
PWM
2 stops22h 22m
Delta
Deal found 1/19$502
This Delta deal was found by Cheapflights users on 1/20. 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.
Wed 2/258:40 pm
BOS
-
LIS
Nonstop6h 20m
Delta
Mon 3/210:00 am
LIS
-
BOS
1 stop14h 22m
Delta
Deal found 1/20$503
This Delta deal was found by Cheapflights users on 1/19. 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 3/32:35 pm
PWM
-
LIS
1 stop13h 25m
Delta
Tue 3/2412:20 pm
LIS
-
PWM
2 stops29h 30m
Delta
Deal found 1/19$503

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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$474
(British Airways)

One-way from

$290
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$622
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. 39% potential increase in price ($770 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 45% potential price decrease ($375 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 21, 2026.
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

Wed 2/25

5:40 pm-9:50 pm

2 stops23h 10m

Lisbon Humberto Delgado

Wed 3/4

7:05 am-10:59 pm

2 stops20h 54m

$474

PortlandLisbon

PWM - LIS

PWMLIS

Portland

Tue 2/24

12:49 pm-5:40 pm

2 stops23h 51m

Lisbon Humberto Delgado

Tue 3/3

7:05 am-11:50 pm

2 stops21h 45m

$474

PortlandLisbon

PWM - LIS

PWMLIS

Portland

Wed 2/25

3:05 pm-8:10 am

1 stop12h 05m

Lisbon Humberto Delgado

Wed 3/4

5:00 am-9:09 pm

2 stops21h 09m

$495

PortlandLisbon

PWM - LIS

PWMLIS

Portland

Tue 2/24

3:05 pm-8:10 am

1 stop12h 05m

Lisbon Humberto Delgado

Tue 3/3

5:00 am-9:09 pm

2 stops21h 09m

$495

PortlandLisbon

PWM - LIS

PWMLIS

Portland

Wed 3/4

6:30 am-8:40 am

1 stop21h 10m

Lisbon Humberto Delgado

Wed 3/18

5:00 am-11:22 pm

2 stops22h 22m

$498

PortlandLisbon

PWM - LIS

PWMLIS

Portland

Wed 3/4

3:05 pm-10:15 am

2 stops14h 10m

Lisbon Humberto Delgado

Wed 3/18

5:00 am-6:25 pm

2 stops17h 25m

$499

PortlandLisbon

PWM - LIS

PWMLIS

Portland

Mon 3/9

2:30 pm-3:10 pm

2 stops20h 40m

Lisbon Humberto Delgado

Wed 3/18

11:25 am-11:59 pm

2 stops40h 34m

$501

PortlandLisbon

PWM - LIS

PWMLIS

Portland

Mon 3/9

2:30 pm-3:10 pm

2 stops20h 40m

Lisbon Humberto Delgado

Thu 3/19

5:00 am-11:59 pm

2 stops22h 59m

$501

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Fri 2/20

4:15 pm-8:10 am

1 stop10h 55m

Lisbon Humberto Delgado

Wed 2/25

6:10 am-6:35 pm

1 stop17h 25m

$502

PortlandLisbon

PWM - LIS

PWMLIS

Portland

Wed 3/4

2:35 pm-8:00 am

2 stops12h 25m

Lisbon Humberto Delgado

Thu 3/19

5:00 am-11:59 pm

2 stops22h 59m

$502

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 46 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
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 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.

  • 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
Beja
Costa da Caparica
Torres Vedras
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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$578Average$772FlexibilityNo cancel feeOn-time69%

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