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

United Airlines can get you from Lisbon to Portland, Maine in just under 33h 06m. Your travel time can differ by up to . There are 3123 mi between Lisbon and Portland, Maine.

In terms of precipitation, rainfall in Portland, Maine ranges from 2.9 - 4.5 inches per month. November is typically the wettest month, when rainfall can reach 4.5 in. August is typically the driest time to visit Portland, Maine when rainfall is around 2.9 in.

If weather is an important factor for your trip to Portland, Maine, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Lisbon to Portland, Maine as you normally would.

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.

$980+ Cheap Flights from Lisbon to Portland, ME

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Cheap flight deals from Lisbon to Portland

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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 July 29, 2026.

Fri 11/135:00 am

LIS

PWM

2 stops18h 52m

United Airlines

Tue 11/178:47 am

PWM

LIS

2 stops18h 23m

United Airlines

Deal found 7/25

$980

Thu 12/179:50 am

LIS

PWM

3 stops28h 16m

Air Canada

Wed 12/303:38 pm

PWM

LIS

3 stops18h 37m

Air Canada

Deal found 7/26

$1,631

Thu 12/179:50 am

LIS

PWM

3 stops28h 16m

Multiple Airlines

Wed 12/308:10 am

PWM

LIS

2 stops17h 45m

Multiple Airlines

Deal found 7/26

$2,011

Find flight deals from Lisbon to Portland

Round-trip from	$980 (United Airlines)

From Lisbon Humberto Delgado to Portland

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Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Thu 12/17

5:00 am-9:06 am

2 stops33h 06m

Portland

Wed 12/30

5:25 am-10:20 am

1 stop23h 55m

$980

Quickest round-trip

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Fri 11/13

5:00 am-6:52 pm

2 stops18h 52m

Portland

Tue 11/17

8:47 am-8:10 am

2 stops18h 23m

$981

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Thu 12/17

9:50 am-9:06 am

3 stops28h 16m

Portland

Wed 12/30

3:38 pm-3:15 pm

3 stops18h 37m

$1,631

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

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.

LIS-PWM

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.

Related info for your journey

How long is the flight from Lisbon to Portland, Maine?
United Airlines can get you from Lisbon to Portland, Maine in just under 33h 06m. 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.

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$980+ 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Lisbon to Portland with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Lisbon to Portland

Cheapest flights from Lisbon to PortlandExplore 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 July 29, 2026.

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 July 29, 2026.

Best flights from Lisbon to PortlandDiscover carefully curated flight deals from Lisbon to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2026.

Discover carefully curated flight deals from Lisbon to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2026.

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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.

Related info for your journey

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

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

How can I find direct flights from Lisbon to Portland?

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

Traveling to a place near Portland?

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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 July 29, 2026.

Best flights from Lisbon to Portland
Discover carefully curated flight deals from Lisbon to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2026.