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Lisbon

$325+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LIS
Jul 27 — Aug 31
Mon 7/27
Mon 8/3
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 June 27, 2026.

This KLM deal was found by Cheapflights users on 6/22. 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 10/196:30 am
PWM
-
LIS
1 stop20h 30m
KLM
Fri 10/235:00 am
LIS
-
PWM
2 stops23h 49m
KLM
Deal found 6/22$772
This United Airlines deal was found by Cheapflights users on 6/24. 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.
Fri 10/166:00 am
PWM
-
LIS
1 stop21h 20m
United Airlines
Fri 10/2311:25 am
LIS
-
PWM
2 stops41h 03m
United Airlines
Deal found 6/24$792
This Air France deal was found by Cheapflights users on 6/22. 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 10/196:30 am
PWM
-
LIS
1 stop20h 30m
Multiple Airlines
Sun 10/2510:00 am
LIS
-
PWM
1 stop17h 49m
Multiple Airlines
Deal found 6/22$827
This FlightHub deal was found by Cheapflights users on 6/22. 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.
Sun 10/186:00 am
PWM
-
LIS
2 stops24h 05m
Air Canada
Sun 10/251:00 pm
LIS
-
PWM
2 stops38h 23m
Air Canada
Deal found 6/22$838
This FlightHub deal was found by Cheapflights users on 6/22. 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.
Sat 10/176:00 am
PWM
-
LIS
2 stops46h 20m
Air Canada
Sun 10/251:00 pm
LIS
-
PWM
2 stops38h 23m
Air Canada
Deal found 6/22$839
This Air Canada deal was found by Cheapflights users on 6/22. 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.
Sun 10/186:00 am
PWM
-
LIS
2 stops22h 20m
Air Canada
Fri 10/2311:25 am
LIS
-
PWM
2 stops31h 26m
Air Canada
Deal found 6/22$840
This FlightHub deal was found by Cheapflights users on 6/22. 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.
Sat 10/176:00 am
PWM
-
LIS
2 stops46h 20m
Air Canada
Fri 10/2311:25 am
LIS
-
PWM
2 stops41h 03m
Air Canada
Deal found 6/22$845
This British Airways deal was found by Cheapflights users on 6/26. 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 10/137:25 am
BOS
-
LIS
1 stop10h 45m
British Airways
Wed 10/213:15 pm
LIS
-
BOS
1 stop12h 20m
British Airways
Deal found 6/26$847
This British Airways deal was found by Cheapflights users on 6/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:50 pm
BOS
-
LIS
1 stop12h 40m
British Airways
Fri 11/137:05 am
LIS
-
BOS
1 stop12h 15m
British Airways
Deal found 6/25$848
This KLM deal was found by Cheapflights users on 6/26. 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.
Fri 8/1411:20 pm
BOS
-
LIS
Nonstop6h 25m
KLM
Mon 8/3112:45 pm
LIS
-
BOS
Nonstop7h 30m
KLM
Deal found 6/26$849
This Delta deal was found by Cheapflights users on 6/26. 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.
Fri 7/2411:25 pm
BOS
-
LIS
Nonstop6h 20m
Delta
Wed 7/2910:00 am
LIS
-
BOS
1 stop17h 33m
Delta
Deal found 6/26$850
This Delta deal was found by Cheapflights users on 6/22. 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 10/192:35 pm
PWM
-
LIS
2 stops15h 20m
Delta
Sun 10/2511:15 am
LIS
-
PWM
2 stops26h 15m
Delta
Deal found 6/22$850

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 June 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$772
(KLM)

One-way from

$325
(Kiwi.com)

Popular in

December

Cheapest in

February
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. 8% potential increase in price ($110 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($116 potential savings vs. average RT price).
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 June 27, 2026.
Use the filters below to find and compare flights from Maine to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandLisbon

PWM - LIS

PWMLIS

Portland

Mon 10/19

2:35 pm-10:55 am

2 stops15h 20m

Lisbon Humberto Delgado

Fri 10/23

11:55 am-11:49 pm

2 stops16h 54m

$781

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Tue 8/4

11:20 pm-10:45 am

Nonstop6h 25m

Lisbon Humberto Delgado

Thu 8/13

10:00 am-9:47 pm

1 stop16h 47m

$850

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Fri 8/21

5:45 am-10:30 am

1 stop23h 45m

Lisbon Humberto Delgado

Fri 8/28

11:25 am-9:50 am

1 stop27h 25m

$855

PortlandLisbon

PWM - LIS

PWMLIS

Portland

Sat 10/17

7:58 am-8:20 am

2 stops19h 22m

Lisbon Humberto Delgado

Sat 10/24

5:05 am-11:59 pm

2 stops23h 54m

$859
Quickest round-trip

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sun 7/26

11:25 pm-10:45 am

Nonstop6h 20m

Lisbon Humberto Delgado

Sun 8/2

12:45 pm-3:15 pm

Nonstop7h 30m

$863

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Mon 8/17

11:20 pm-10:45 am

Nonstop6h 25m

Lisbon Humberto Delgado

Mon 8/24

12:45 pm-3:15 pm

Nonstop7h 30m

$864

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Wed 7/29

9:05 am-8:50 am

2 stops18h 45m

Lisbon Humberto Delgado

Tue 8/11

12:45 pm-3:15 pm

Nonstop7h 30m

$864

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Wed 10/14

6:50 pm-9:20 am

1 stop9h 30m

Lisbon Humberto Delgado

Fri 10/23

11:25 am-6:07 pm

1 stop11h 42m

$866

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Wed 9/23

11:25 pm-10:45 am

Nonstop6h 20m

Lisbon Humberto Delgado

Fri 10/2

12:45 pm-3:25 pm

Nonstop7h 40m

$871

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Wed 8/26

11:20 pm-10:45 am

Nonstop6h 25m

Lisbon Humberto Delgado

Fri 9/4

10:00 am-6:40 pm

1 stop13h 40m

$875

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

Showing 1-10 of 38 resultsSorted by cheapest first
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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
Ericeira
Oeiras
Beja
Torres Vedras
Nazaré
Colares
Sesimbra

Browse thousands of different options on Cheapflights for your next trip

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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 June 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$550Average$679FlexibilityNo cancel feeOn-time69%

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