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Lisbon

$322+ 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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LIS
Apr 28 — May 51
Tue 4/28
Tue 5/5
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 March 29, 2026.

This LEVEL deal was found by Cheapflights users on 3/23. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2211:00 pm
BOS
-
LIS
1 stop13h 10m
LEVEL
Sat 9/267:20 pm
LIS
-
BOS
1 stop31h 45m
LEVEL
Deal found 3/23$580
This Iberia deal was found by Cheapflights users on 3/26. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2011:50 pm
BOS
-
LIS
1 stop12h 20m
Iberia
Sat 10/32:00 pm
LIS
-
BOS
1 stop12h 15m
Iberia
Deal found 3/26$584
This Iberia deal was found by Cheapflights users on 3/24. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2811:00 pm
BOS
-
LIS
1 stop14h 25m
Iberia
Thu 10/159:15 pm
LIS
-
BOS
1 stop29h 00m
Iberia
Deal found 3/24$585
This Iberia deal was found by Cheapflights users on 3/25. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/710:50 pm
BOS
-
LIS
1 stop16h 45m
Iberia
Sun 9/2710:10 pm
LIS
-
BOS
1 stop28h 05m
Iberia
Deal found 3/25$586
This Gotogate deal was found by Cheapflights users on 3/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/119:25 pm
BOS
-
LIS
2 stops19h 50m
Multiple Airlines
Wed 11/254:15 pm
LIS
-
BOS
2 stops32h 45m
Multiple Airlines
Deal found 3/24$587
This oojo deal was found by Cheapflights users on 3/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:50 pm
BOS
-
LIS
1 stop16h 45m
Scandinavian Airlines
Sun 11/14:55 pm
LIS
-
BOS
1 stop27h 45m
Scandinavian Airlines
Deal found 3/25$588
This LEVEL deal was found by Cheapflights users on 3/24. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:00 pm
BOS
-
LIS
1 stop16h 35m
LEVEL
Fri 10/99:10 am
LIS
-
BOS
1 stop17h 05m
LEVEL
Deal found 3/24$590
This Iberia deal was found by Cheapflights users on 3/25. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:00 pm
BOS
-
LIS
1 stop13h 10m
Iberia
Tue 9/292:00 pm
LIS
-
BOS
1 stop12h 15m
Iberia
Deal found 3/25$591
This Iberia deal was found by Cheapflights users on 3/26. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:00 pm
BOS
-
LIS
1 stop13h 15m
Iberia
Sun 10/189:10 am
LIS
-
BOS
1 stop17h 55m
Iberia
Deal found 3/26$592
This FlightHub deal was found by Cheapflights users on 3/23. 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 4/35:40 pm
BOS
-
LIS
1 stop23h 25m
Scandinavian Airlines
Fri 4/109:15 pm
LIS
-
BOS
1 stop23h 20m
Scandinavian Airlines
Deal found 3/23$593
This Super.com deal was found by Cheapflights users on 3/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:05 pm
BOS
-
LIS
Nonstop6h 35m
TAP AIR PORTUGAL
Sat 9/196:00 pm
LIS
-
BOS
1 stop31h 20m
TAP AIR PORTUGAL
Deal found 3/25$594
This oojo deal was found by Cheapflights users on 3/27. 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.
Sat 9/2610:45 pm
BOS
-
LIS
Nonstop6h 35m
TAP AIR PORTUGAL
Sat 10/310:00 pm
LIS
-
BOS
1 stop27h 20m
TAP AIR PORTUGAL
Deal found 3/27$595

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 March 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$580
(LEVEL)

One-way from

$322
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$678
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. 34% potential increase in price ($677 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 39% potential price decrease ($366 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 29, 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

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sun 5/3

1:30 pm-3:35 pm

2 stops21h 05m

Lisbon Humberto Delgado

Sun 5/10

7:00 am-11:48 pm

2 stops21h 48m

$702

PortlandLisbon

PWM - LIS

PWMLIS

Portland

Wed 4/29

2:51 pm-2:55 pm

2 stops19h 04m

Lisbon Humberto Delgado

Mon 5/4

5:00 am-12:46 am

2 stops24h 46m

$720

PortlandLisbon

PWM - LIS

PWMLIS

Portland

Wed 4/29

2:51 pm-10:55 am

2 stops15h 04m

Lisbon Humberto Delgado

Mon 5/4

5:00 am-12:46 am

2 stops24h 46m

$725

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Wed 5/27

10:50 pm-6:25 pm

1 stop14h 35m

Lisbon Humberto Delgado

Tue 6/2

9:15 pm-9:05 pm

1 stop28h 50m

$754

PortlandLisbon

PWM - LIS

PWMLIS

Portland

Wed 4/29

7:28 am-3:45 pm

2 stops51h 17m

Lisbon Humberto Delgado

Mon 5/4

5:55 am-11:03 pm

2 stops46h 08m

$764

PortlandLisbon

PWM - LIS

PWMLIS

Portland

Wed 4/8

7:23 pm-5:55 pm

2 stops17h 32m

Lisbon Humberto Delgado

Thu 4/16

11:05 am-11:27 pm

1 stop17h 22m

$766

PortlandLisbon

PWM - LIS

PWMLIS

Portland

Wed 4/29

3:02 pm-2:10 pm

2 stops18h 08m

Lisbon Humberto Delgado

Mon 5/4

7:10 am-11:27 pm

2 stops21h 17m

$787

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Mon 4/20

11:25 pm-10:45 am

Nonstop6h 20m

Lisbon Humberto Delgado

Thu 4/30

12:45 pm-3:21 pm

Nonstop7h 36m

$841
Quickest round-trip

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Tue 4/28

11:25 pm-10:45 am

Nonstop6h 20m

Lisbon Humberto Delgado

Sat 5/9

12:45 pm-3:15 pm

Nonstop7h 30m

$841

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Fri 4/24

11:25 pm-10:45 am

Nonstop6h 20m

Lisbon Humberto Delgado

Fri 5/1

12:45 pm-3:15 pm

Nonstop7h 30m

$841

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 31 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

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 14h 35m. 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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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 March 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$550Average$721FlexibilityNo cancel feeOn-time69%

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