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Lisbon

$291+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LIS
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
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 January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$495
(United Airlines)

One-way from

$291
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$622
Provider with most accurate pricing for Portland-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Portland-Lisbon Humberto Delgado flights.
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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. 39% potential increase in price ($770 potential increase over avg. RT price).
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Cheapest flight prices on average. 45% potential price decrease ($375 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 15, 2026.

This United Airlines deal was found by Cheapflights users on 1/14. 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.
Sat 2/283:05 pm
PWM
-
LIS
1 stop12h 05m
United Airlines
Sat 3/75:00 am
LIS
-
PWM
2 stops18h 25m
United Airlines
Deal found 1/14$495
This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
Sun 3/87:05 pm
BOS
-
LIS
Nonstop6h 30m
TAP AIR PORTUGAL
Tue 3/1711:50 am
LIS
-
BOS
Nonstop7h 55m
TAP AIR PORTUGAL
Deal found 1/14$499
This TAP AIR PORTUGAL deal was found by Cheapflights users on 1/15. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/206:05 pm
BOS
-
LIS
Nonstop6h 30m
TAP AIR PORTUGAL
Sat 2/285:15 pm
LIS
-
BOS
Nonstop7h 55m
TAP AIR PORTUGAL
Deal found 1/15$500
This oojo deal was found by Cheapflights users on 1/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/236:35 pm
BOS
-
LIS
1 stop22h 55m
Scandinavian Airlines
Tue 3/314:25 pm
LIS
-
BOS
1 stop28h 10m
Scandinavian Airlines
Deal found 1/14$501
This KAYAK deal was found by Cheapflights users on 1/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/168:11 am
BOS
-
LIS
1 stop18h 59m
Lufthansa
Mon 3/26:10 am
LIS
-
BOS
1 stop17h 25m
Lufthansa
Deal found 1/15$502
This Virgin Atlantic deal was found by Cheapflights users on 1/15. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/208:40 pm
BOS
-
LIS
Nonstop6h 20m
Virgin Atlantic
Wed 2/2510:00 am
LIS
-
BOS
1 stop13h 21m
Virgin Atlantic
Deal found 1/15$503
This Delta deal was found by Cheapflights users on 1/14. 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.
Thu 2/198:40 pm
BOS
-
LIS
Nonstop6h 20m
Delta
Sat 2/285:30 am
LIS
-
BOS
1 stop15h 50m
Delta
Deal found 1/14$504
This FlightHub deal was found by Cheapflights users on 1/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:35 pm
BOS
-
LIS
2 stops17h 50m
Scandinavian Airlines
Wed 4/14:25 pm
LIS
-
BOS
1 stop28h 10m
Scandinavian Airlines
Deal found 1/13$505
This United Airlines deal was found by Cheapflights users on 1/14. 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.
Sun 3/86:15 am
BOS
-
LIS
1 stop23h 05m
United Airlines
Tue 3/176:10 am
LIS
-
BOS
1 stop17h 25m
United Airlines
Deal found 1/14$506
This United Airlines deal was found by Cheapflights users on 1/15. 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 2/174:15 pm
BOS
-
LIS
1 stop10h 55m
United Airlines
Sun 3/111:55 am
LIS
-
BOS
1 stop17h 02m
United Airlines
Deal found 1/15$507
This FlightHub deal was found by Cheapflights users on 1/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:35 pm
BOS
-
LIS
1 stop34h 20m
Scandinavian Airlines
Sun 3/2911:55 pm
LIS
-
BOS
1 stop20h 40m
Scandinavian Airlines
Deal found 1/14$508
This FlightHub deal was found by Cheapflights users on 1/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/176:35 pm
BOS
-
LIS
2 stops23h 15m
Scandinavian Airlines
Mon 3/235:20 pm
LIS
-
BOS
1 stop27h 30m
Scandinavian Airlines
Deal found 1/13$509

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 15, 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

Sat 2/28

3:05 pm-8:10 am

1 stop12h 05m

Lisbon Humberto Delgado

Sat 3/7

5:00 am-6:25 pm

2 stops18h 25m

$495

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Fri 2/20

8:40 pm-8:00 am

Nonstop6h 20m

Lisbon Humberto Delgado

Wed 2/25

10:00 am-6:21 pm

1 stop13h 21m

$503

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Tue 2/17

4:15 pm-8:10 am

1 stop10h 55m

Lisbon Humberto Delgado

Fri 2/27

6:10 am-6:35 pm

1 stop17h 25m

$503

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Thu 2/26

9:30 am-10:15 am

1 stop19h 45m

Lisbon Humberto Delgado

Tue 3/3

6:10 am-6:35 pm

1 stop17h 25m

$503

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Tue 4/14

8:30 am-9:20 am

2 stops19h 50m

Lisbon Humberto Delgado

Thu 4/23

11:25 am-5:57 pm

1 stop11h 32m

$504

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Tue 3/17

9:40 pm-8:00 am

Nonstop6h 20m

Lisbon Humberto Delgado

Tue 3/24

4:50 pm-2:20 pm

1 stop25h 30m

$505

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Wed 2/25

12:35 pm-10:15 am

2 stops16h 40m

Lisbon Humberto Delgado

Thu 3/12

6:10 am-7:35 pm

1 stop17h 25m

$507

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Thu 2/19

7:05 am-7:55 am

2 stops19h 50m

Lisbon Humberto Delgado

Mon 2/23

11:55 am-11:57 pm

1 stop17h 02m

$511

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Tue 2/10

8:40 pm-11:30 pm

1 stop21h 50m

Lisbon Humberto Delgado

Tue 2/17

11:20 am-7:42 pm

1 stop13h 22m

$520

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Thu 3/5

5:35 pm-4:25 pm

2 stops17h 50m

Lisbon Humberto Delgado

Sun 3/8

6:00 pm-4:50 pm

1 stop26h 50m

$522

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

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

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.

  • 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 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$578Average$772FlexibilityNo cancel feeOn-time69%

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