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$765+ Cheap flights from Lisbon (LIS) to Portland, ME (PWM)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — PWM
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Lisbon to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Lisbon (LIS) to Portland (PWM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$765
(Delta)
From Lisbon Humberto Delgado to Portland
Search Deals

Find flight deals from Lisbon to Portland

Cheapest flights from Lisbon to Portland
Explore the most affordable flight options available from Lisbon to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Delta deal was found by Cheapflights users on 9/10. 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 9/2612:10 pmLIS - PWM
2 stops17h 24mDelta
Tue 9/302:41 pmPWM - LIS
2 stops15h 14mDelta
Deal found 9/10$765
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/2610:25 amLIS - PWM
2 stops18h 34mUnited Airlines
Tue 9/3010:40 amPWM - LIS
1 stop16h 40mUnited Airlines
Deal found 9/10$866
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 9/2610:15 pmLIS - PWM
2 stops24h 40mAmerican Airlines
Tue 9/302:30 pmPWM - LIS
2 stops20h 35mAmerican Airlines
Deal found 9/10$969
This Air Canada deal was found by Cheapflights users on 9/10. 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.
Fri 9/2611:25 amLIS - PWM
2 stops17h 34mMultiple Airlines
Tue 9/3010:40 amPWM - LIS
3 stops17h 40mMultiple Airlines
Deal found 9/10$1,677
This Air Canada deal was found by Cheapflights users on 9/10. 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.
Fri 9/267:55 amLIS - PWM
3 stops20h 16mAir Canada
Tue 9/3010:40 amPWM - LIS
3 stops17h 40mAir Canada
Deal found 9/10$3,032

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lisbon to Portland 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 September 11, 2025.
Use the filters below to find and compare flights from Lisbon to Portland that are best for you.

Fly from

Lisbon

Fly to

Portland

Route

Depart

Return

Price

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Fri 9/26

12:10 pm-12:34 am

2 stops17h 24m

Portland

Tue 9/30

2:41 pm-10:55 am

2 stops15h 14m

$765

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Wed 2/18

11:15 am-3:02 pm

1 stop32h 47m

Portland

Sun 2/22

4:14 pm-9:05 am

1 stop11h 51m

$781

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Fri 9/26

10:25 am-6:23 pm

1 stop12h 58m

Portland

Tue 9/30

8:00 am-8:20 am

1 stop19h 20m

$866

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Fri 9/26

10:15 pm-5:55 pm

2 stops24h 40m

Portland

Tue 9/30

2:30 pm-4:05 pm

2 stops20h 35m

$969

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Fri 9/26

11:25 am-11:59 pm

2 stops17h 34m

Portland

Tue 9/30

10:40 am-9:20 am

3 stops17h 40m

$1,677

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Lisbon to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Lisbon 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 Lisbon to Portland

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

Currently, January is the cheapest month in which you can book a flight from Lisbon to Portland, Maine (average of $296). Flying from Lisbon to Portland, Maine in July is currently the most expensive (average of $394). 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.

Related info for your journey

Find useful and relevant information for your journey from Lisbon to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Lisbon to Portland, Maine?

    Delta and American Airlines can get you from Lisbon to Portland, Maine in just under 17h 24m. Your travel time can differ by up to 15h 23m. There are 3123 mi between Lisbon and Portland, Maine. This flight may include one or multiple stops.

  • Can I find deals for flights from Lisbon to Portland that include hotel bookings?

    Yes. In addition to deals on Lisbon to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Lisbon to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lisbon to Portland.

  • Can I find deals for business class flights from Lisbon to Portland?

    Yes. Cheapflights offers flight deals from Lisbon to Portland 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 Lisbon to Portland, Maine?

    Currently, January is the cheapest month in which you can book a flight from Lisbon to Portland, Maine (average of $296). Flying from Lisbon to Portland, Maine in July is currently the most expensive (average of $394). 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 Portland?

Book flights to Portland if you plan to visit one of these locations
Brunswick
North Conway
Auburn
Conway
Lewiston

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Alternative routes for Lisbon to Portland

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