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Lisbon

$317+ 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LIS
Mar 23 — Mar 301
Mon 3/23
Mon 3/30
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 February 21, 2026.

This United Airlines deal was found by Cheapflights users on 2/21. 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 4/76:18 pm
PWM
-
LIS
2 stops34h 02m
United Airlines
Tue 4/1411:25 am
LIS
-
PWM
2 stops39h 15m
United Airlines
Deal found 2/21$491
This United Airlines deal was found by Cheapflights users on 2/18. 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 10/285:30 am
PWM
-
LIS
1 stop24h 45m
United Airlines
Wed 11/45:00 am
LIS
-
PWM
2 stops18h 13m
United Airlines
Deal found 2/18$496
This oojo deal was found by Cheapflights users on 2/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/275:40 pm
BOS
-
LIS
2 stops23h 25m
Multiple Airlines
Fri 5/19:15 pm
LIS
-
BOS
1 stop23h 20m
Multiple Airlines
Deal found 2/19$503
This KAYAK deal was found by Cheapflights users on 2/18. 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.
Thu 4/95:40 pm
BOS
-
LIS
1 stop21h 45m
Scandinavian Airlines
Tue 4/145:00 pm
LIS
-
BOS
1 stop27h 35m
Scandinavian Airlines
Deal found 2/18$504
This FlightHub deal was found by Cheapflights users on 2/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1310:45 pm
BOS
-
LIS
Nonstop6h 35m
TAP AIR PORTUGAL
Thu 4/3012:00 pm
LIS
-
BOS
Nonstop7h 45m
TAP AIR PORTUGAL
Deal found 2/20$505
This United Airlines deal was found by Cheapflights users on 2/17. 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 4/273:28 pm
BOS
-
LIS
1 stop11h 52m
United Airlines
Tue 5/51:00 pm
LIS
-
BOS
1 stop14h 39m
United Airlines
Deal found 2/17$506
This FlightHub deal was found by Cheapflights users on 2/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:40 pm
BOS
-
LIS
1 stop22h 00m
Multiple Airlines
Mon 4/204:25 pm
LIS
-
BOS
1 stop28h 10m
Multiple Airlines
Deal found 2/19$507
This United Airlines deal was found by Cheapflights users on 2/18. 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 4/135:25 pm
BOS
-
LIS
1 stop9h 55m
United Airlines
Fri 5/110:25 am
LIS
-
BOS
1 stop12h 55m
United Airlines
Deal found 2/18$508
This FlightHub deal was found by Cheapflights users on 2/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/245:40 pm
BOS
-
LIS
2 stops41h 20m
Scandinavian Airlines
Tue 4/285:00 pm
LIS
-
BOS
1 stop27h 35m
Scandinavian Airlines
Deal found 2/19$509
This FlightHub deal was found by Cheapflights users on 2/17. 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 4/1410:45 pm
BOS
-
LIS
Nonstop6h 35m
TAP AIR PORTUGAL
Sat 4/1810:00 pm
LIS
-
BOS
1 stop27h 40m
TAP AIR PORTUGAL
Deal found 2/17$510
This FlightHub deal was found by Cheapflights users on 2/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/245:40 pm
BOS
-
LIS
1 stop34h 20m
Scandinavian Airlines
Fri 5/89:15 pm
LIS
-
BOS
1 stop23h 20m
Scandinavian Airlines
Deal found 2/20$511
This Expedia deal was found by Cheapflights users on 2/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2811:34 am
BOS
-
LIS
2 stops15h 11m
Iberia
Wed 5/68:55 am
LIS
-
BOS
1 stop12h 15m
Iberia
Deal found 2/18$512

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 February 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$491
(United Airlines)

One-way from

$316
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$656
Provider with most accurate pricing for Boston Logan Intl-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-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. 13% potential increase in price ($116 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 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

Tue 4/7

6:18 pm-9:20 am

2 stops34h 02m

Lisbon Humberto Delgado

Tue 4/14

11:25 am-9:40 pm

2 stops39h 15m

$491

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Wed 4/29

9:20 pm-11:25 pm

1 stop21h 05m

Lisbon Humberto Delgado

Wed 5/6

6:35 am-4:10 pm

1 stop14h 35m

$516

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Mon 4/27

7:05 pm-11:15 am

1 stop11h 10m

Lisbon Humberto Delgado

Thu 5/7

10:00 am-11:05 pm

1 stop18h 05m

$523

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Mon 3/23

5:45 am-10:15 am

1 stop24h 30m

Lisbon Humberto Delgado

Tue 3/31

11:25 am-9:49 am

1 stop27h 24m

$569

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Fri 5/1

10:50 pm-8:30 am

1 stop28h 40m

Lisbon Humberto Delgado

Wed 5/13

7:10 pm-9:05 pm

1 stop30h 55m

$587

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Mon 4/13

5:40 pm-8:40 pm

1 stop22h 00m

Lisbon Humberto Delgado

Sun 4/19

7:00 am-11:07 pm

2 stops21h 07m

$595

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sat 4/25

5:40 pm-3:45 pm

1 stop17h 05m

Lisbon Humberto Delgado

Sat 5/16

7:00 am-11:05 pm

2 stops21h 05m

$595

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Wed 5/13

10:50 pm-8:35 pm

1 stop16h 45m

Lisbon Humberto Delgado

Mon 5/18

9:20 pm-9:05 pm

1 stop28h 45m

$597

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Thu 4/9

5:45 pm-3:25 pm

1 stop16h 40m

Lisbon Humberto Delgado

Thu 4/30

12:20 pm-7:04 pm

1 stop11h 44m

$600

PortlandLisbon

PWM - LIS

PWMLIS

Portland

Tue 4/28

3:22 pm-3:35 pm

2 stops19h 13m

Lisbon Humberto Delgado

Thu 5/7

1:00 pm-9:19 pm

2 stops37h 19m

$600

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 34 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
Ericeira
Oeiras
Beja
Costa da Caparica
Torres Vedras
Nazaré
Colares
Sesimbra

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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 February 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$578Average$763FlexibilityNo cancel feeOn-time69%

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