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$582+ Cheap flights from Lisbon (LIS) to Portland, ME (PWM)

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 6/28. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — PWM
Apr 13 — Apr 201
Mon 4/13
Mon 4/20
1 adult, Economy
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Cheap 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 March 14, 2026.

This American Airlines deal was found by Cheapflights users on 3/11. 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 10/28:25 am
LIS
-
PWM
2 stops20h 26m
American Airlines
Tue 10/611:01 am
PWM
-
LIS
2 stops23h 34m
American Airlines
Deal found 3/11$939
This United Airlines deal was found by Cheapflights users on 3/12. 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 10/210:25 am
LIS
-
PWM
1 stop13h 02m
United Airlines
Tue 10/63:15 pm
PWM
-
LIS
2 stops14h 15m
United Airlines
Deal found 3/12$968
This Delta deal was found by Cheapflights users on 3/13. 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 3/165:30 am
LIS
-
PWM
2 stops22h 29m
Delta
Sun 3/224:48 pm
PWM
-
LIS
2 stops20h 42m
Delta
Deal found 3/13$1,022

Find 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 March 14, 2026.

Round-trip from

$1,251
(United Airlines)

One-way from

$582
(Expedia)
From Lisbon Humberto Delgado to Portland
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One-way flight from Lisbon Humberto Delgado to Portland
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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 March 14, 2026.
Use the filters below to find and compare flights from Lisbon to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Sun 3/29

10:25 am-10:22 am

2 stops28h 57m

Portland

Thu 4/2

11:09 am-10:30 am

2 stops18h 21m

$1,251
Quickest round-trip

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Sun 3/29

7:40 am-11:28 pm

3 stops20h 48m

Portland

Thu 4/2

2:12 pm-11:05 am

2 stops15h 53m

$2,659
Cheapest one-way

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Sun 6/28

6:00 pm-2:31 pm

3 stops49h 31m

$665

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Sun 6/28

6:10 am-11:55 am

2 stops34h 45m

$680

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Sun 7/5

6:35 am-9:12 am

3 stops31h 37m

$765
Quickest one-way

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Sun 6/28

5:00 pm-11:57 pm

1 stop11h 57m

$787

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Sat 7/4

5:00 pm-11:57 pm

1 stop11h 57m

$790

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Tue 6/2

7:25 pm-1:24 pm

2 stops46h 59m

$1,293

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Tue 6/2

5:00 pm-1:24 pm

1 stop25h 24m

$2,326

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Tue 6/2

7:40 am-11:30 pm

3 stops20h 50m

$3,365

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

Sorted by cheapest first

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, July is the cheapest month in which you can book a flight from Lisbon to Portland, Maine (average of $325). Flying from Lisbon to Portland, Maine in June is currently the most expensive (average of $541). 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?

    United Airlines can get you from Lisbon to Portland, Maine in just under 28h 57m. Your travel time can differ by up to . There are 3123 mi between Lisbon and Portland, Maine.

  • 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, July is the cheapest month in which you can book a flight from Lisbon to Portland, Maine (average of $325). Flying from Lisbon to Portland, Maine in June is currently the most expensive (average of $541). 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
North Conway
Brunswick
Auburn
Lewiston
Conway

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Alternative routes for Lisbon to Portland

See prices for flight routes from nearby airports that may be better suited for you.
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