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Lisbon

$307+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LIS
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$548
(FlightHub)

One-way from

$307
(Kiwi.com)

Popular in

May

Cheapest in

February

Average price

$1,357
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. 27% potential increase in price ($316 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($56 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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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 May 1, 2025.

This Iberia deal was found by Cheapflights users on 4/29. 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 9/2111:00 pmBOS - LIS
1 stop13h 05mIberia
Sun 9/289:10 amLIS - BOS
1 stop17h 05mIberia
Deal found 4/29$542
This Scandinavian Airlines deal was found by Cheapflights users on 4/29. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/55:40 pmBOS - LIS
1 stop34h 20mScandinavian Airlines
Mon 11/34:55 pmLIS - BOS
1 stop27h 55mScandinavian Airlines
Deal found 4/29$546
This FlightHub deal was found by Cheapflights users on 4/30. 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.
Wed 5/1411:35 pmBOS - LIS
1 stop16h 45mIcelandair
Sun 5/1810:25 pmLIS - BOS
1 stop25h 25mIcelandair
Deal found 4/30$548
This Vueling Global deal was found by Cheapflights users on 4/29. 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 Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2311:00 pmBOS - LIS
1 stop16h 35mMultiple Airlines
Thu 10/29:10 amLIS - BOS
1 stop17h 05mMultiple Airlines
Deal found 4/29$560
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/257:25 amBOS - LIS
1 stop10h 45mAmerican Airlines
Sun 10/512:30 pmLIS - BOS
1 stop12h 20mAmerican Airlines
Deal found 4/29$583
This oojo deal was found by Cheapflights users on 4/29. 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 11/76:10 pmBOS - LIS
Nonstop6h 30mTAP AIR PORTUGAL
Sun 11/235:10 pmLIS - BOS
Nonstop7h 55mTAP AIR PORTUGAL
Deal found 4/29$585
This Booking.com deal was found by Cheapflights users on 4/30. 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.
Thu 8/149:25 pmBOS - LIS
1 stop19h 10mAer Lingus
Wed 8/2710:15 pmLIS - BOS
1 stop21h 25mAer Lingus
Deal found 4/30$588
This Delta deal was found by Cheapflights users on 4/29. 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 11/69:35 pmBOS - LIS
Nonstop6h 25mDelta
Thu 11/1311:15 amLIS - BOS
Nonstop8h 05mDelta
Deal found 4/29$589
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/14:18 pmPWM - LIS
2 stops17h 37mAmerican Airlines
Mon 12/811:05 amLIS - PWM
1 stop16h 24mAmerican Airlines
Deal found 4/30$591
This United Airlines deal was found by Cheapflights users on 4/30. 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 8/175:30 amBOS - LIS
1 stop24h 00mUnited Airlines
Mon 9/111:25 amLIS - BOS
1 stop32h 06mUnited Airlines
Deal found 4/30$602
This Air Canada deal was found by Cheapflights users on 4/30. 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.
Wed 9/2410:40 amBOS - LIS
1 stop19h 25mAir Canada
Fri 10/1711:25 amLIS - BOS
1 stop11h 27mAir Canada
Deal found 4/30$616
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Mon 5/510:50 pmBOS - LIS
1 stop13h 15mVueling
Mon 5/1210:10 pmLIS - BOS
1 stop27h 55mVueling
Deal found 4/30$618

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 May 1, 2025.
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

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Wed 5/14

11:35 pm-9:20 pm

1 stop16h 45m

Lisbon Humberto Delgado

Sun 5/18

10:25 pm-6:50 pm

1 stop25h 25m

$548

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Thu 5/8

4:15 pm-8:35 pm

2 stops23h 20m

Lisbon Humberto Delgado

Wed 5/14

9:10 pm-2:00 pm

2 stops21h 50m

$556

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sun 5/4

7:15 pm-8:40 pm

1 stop20h 25m

Lisbon Humberto Delgado

Fri 5/9

9:20 pm-5:50 pm

1 stop25h 30m

$564

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Mon 5/5

10:50 pm-5:05 pm

1 stop13h 15m

Lisbon Humberto Delgado

Wed 5/14

10:05 pm-9:05 pm

1 stop28h 00m

$569

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Mon 7/28

5:40 pm-5:05 pm

2 stops18h 25m

Lisbon Humberto Delgado

Mon 8/18

8:15 pm-3:35 pm

1 stop24h 20m

$578

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Wed 5/28

10:50 pm-8:35 pm

1 stop16h 45m

Lisbon Humberto Delgado

Wed 9/10

2:00 pm-9:15 pm

1 stop12h 15m

$590

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Thu 5/15

10:20 am-1:35 pm

2 stops22h 15m

Lisbon Humberto Delgado

Mon 5/19

5:05 am-9:57 pm

2 stops21h 52m

$624

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Thu 5/15

9:40 pm-5:20 pm

1 stop14h 40m

Lisbon Humberto Delgado

Fri 5/23

5:55 am-3:25 pm

1 stop14h 30m

$629

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Wed 7/2

8:05 pm-9:50 pm

1 stop20h 45m

Lisbon Humberto Delgado

Tue 8/19

11:25 am-11:12 am

2 stops28h 47m

$668

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Tue 5/13

11:25 pm-10:45 am

Nonstop6h 20m

Lisbon Humberto Delgado

Wed 5/21

12:45 pm-3:20 pm

Nonstop7h 35m

$677

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 26 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

What is the cheapest time of day to fly from ME to LIS?

Find hourly flight availability from Maine to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

When flying from Maine to Lisbon, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Lisbon by month

Plan your trip to Lisbon by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Lisbon ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Lisbon when rainfall is around 0.2 in.

Temperature in Lisbon by month

Plan your trip to Lisbon by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Lisbon, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Lisbon. Reviews last updated May 1, 2025.
To help decide which airline to fly from Maine to Lisbon, see what other customers have to say about Delta, KLM and Azores Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Azores Airlines
7.6
Good
66 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines to fly from Maine to Lisbon one-way?

    One-way options have recently been found by users for as low as $308 on Iberia. Other airlines that offer cheap prices include Vueling from $317 and TAP AIR PORTUGAL from $319 one-way.

  • 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.

  • What is the cheapest month to book a flight from Maine to Lisbon?

    Currently, January is the cheapest month in which you can book a flight from Maine to Lisbon (average of $612). Flying from Maine to Lisbon in June is currently the most expensive (average of $1,178). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Maine?

Book flights to Maine if you plan to visit one of these locations
Sintra
Beja
Nazaré
Costa da Caparica
Evora
Torres Vedras
Oeiras
Sesimbra
Fátima

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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$550Average$981FlexibilityNo cancel feeOn-time69%

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