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Cheap flights from Lisbon to Portland from $571

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Lisbon to Portland departing on 6/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:00 am - 11:09 pm
LIS
-
PWM
18h 09m
2 stops
Multiple Airlines Logo
2:38 pm - 10:45 am
PWM
-
LIS
15h 07m
2 stops
$1,032Multiple Airlines
Sat, May 23 - Wed, May 27
Multiple Airlines Logo
11:25 am - 11:51 pm
LIS
-
PWM
17h 26m
2 stops
Multiple Airlines Logo
9:10 am - 9:20 am
PWM
-
LIS
19h 10m
3 stops
$1,099Multiple Airlines
Sat, May 23 - Wed, May 27
United Airlines Logo
5:05 am - 11:30 pm
LIS
-
PWM
23h 25m
2 stops
United Airlines Logo
9:55 am - 8:20 am
PWM
-
LIS
17h 25m
2 stops
$1,100United Airlines
Sun, May 24 - Thu, May 28
Multiple Airlines Logo
5:55 am - 12:21 pm
LIS
-
PWM
35h 26m
2 stops
Multiple Airlines Logo
6:00 am - 11:20 pm
PWM
-
LIS
36h 20m
2 stops
$1,173Multiple Airlines
Mon, Jul 6 - Fri, Jul 10
United Airlines Logo
12:20 pm - 11:51 pm
LIS
-
PWM
16h 31m
1 stop
United Airlines Logo
2:20 pm - 10:30 am
PWM
-
LIS
15h 10m
1 stop
$1,262United Airlines
Sun, May 24 - Thu, May 28
Multiple Airlines Logo
11:25 am - 11:30 pm
LIS
-
PWM
17h 05m
2 stops
Multiple Airlines Logo
10:55 am - 9:20 am
PWM
-
LIS
17h 25m
3 stops
$1,301Multiple Airlines
Sun, May 24 - Thu, May 28
American Airlines Logo
11:05 am - 10:33 pm
LIS
-
PWM
16h 28m
1 stop
American Airlines Logo
2:56 pm - 9:05 am
PWM
-
LIS
13h 09m
1 stop
$1,319American Airlines
Mon, Jul 13 - Sat, Jul 18
Multiple Airlines Logo
6:35 am - 10:33 pm
LIS
-
PWM
20h 58m
2 stops
Multiple Airlines Logo
8:00 am - 9:05 am
PWM
-
LIS
20h 05m
1 stop
$1,330Multiple Airlines
Mon, Jul 13 - Sat, Jul 18
Multiple Airlines Logo
6:35 am - 10:33 pm
LIS
-
PWM
20h 58m
2 stops
Multiple Airlines Logo
8:00 am - 9:05 am
PWM
-
LIS
20h 05m
1 stop
$1,371Multiple Airlines
Mon, Jul 6 - Fri, Jul 10
American Airlines Logo
11:05 am - 10:33 pm
LIS
-
PWM
16h 28m
1 stop
American Airlines Logo
8:00 am - 9:05 am
PWM
-
LIS
20h 05m
1 stop
$1,430American Airlines
Mon, Jul 6 - Fri, Jul 10

United Airlines flights from Lisbon to Portland, Maine

Our best United Airlines deals on Lisbon to Portland, Maine flight tickets
United Airlines
May 24
LIS5:05 amLisbon Humberto Delgado
23h 25m
2 stops
PWM11:30 pmPortland
May 28
PWM9:55 amPortland
17h 25m
2 stops
LIS8:20 amLisbon Humberto Delgado
$1,100
United Airlines
May 24
LIS12:20 pmLisbon Humberto Delgado
16h 31m
1 stop
PWM11:51 pmPortland
May 28
PWM2:20 pmPortland
15h 10m
1 stop
LIS10:30 amLisbon Humberto Delgado
$1,262

Air Canada flights from Lisbon to Portland, Maine

Our best Air Canada deals on Lisbon to Portland, Maine flight tickets
Air Canada
May 24
LIS7:35 amLisbon Humberto Delgado
20h 55m
3 stops
PWM11:30 pmPortland
May 28
PWM10:55 amPortland
17h 25m
3 stops
LIS9:20 amLisbon Humberto Delgado
$1,537
Air Canada
May 23
LIS7:35 amLisbon Humberto Delgado
20h 55m
3 stops
PWM11:30 pmPortland
May 27
PWM9:10 amPortland
19h 10m
3 stops
LIS9:20 amLisbon Humberto Delgado
$1,766
Air Canada
Jul 6
LIS7:50 amLisbon Humberto Delgado
20h 40m
3 stops
PWM11:30 pmPortland
Jul 10
PWM10:55 amPortland
17h 25m
3 stops
LIS9:20 amLisbon Humberto Delgado
$2,368

momondo Fare Finder

 
Customize your flight search to find flights from Lisbon to Portland, Maine 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, momondo users made 832,500 searches. Data last updated May 9, 2026.
Use the filters below to find and compare flights from Lisbon to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Sat 5/23

10:00 am-11:09 pm

2 stops18h 09m

Portland

Wed 5/27

2:38 pm-10:45 am

2 stops15h 07m

$1,032

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Sat 5/23

11:25 am-11:51 pm

2 stops17h 26m

Portland

Wed 5/27

9:10 am-9:20 am

3 stops19h 10m

$1,099

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Sun 5/24

5:05 am-11:30 pm

2 stops23h 25m

Portland

Thu 5/28

9:55 am-8:20 am

2 stops17h 25m

$1,100

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Mon 7/6

5:55 am-12:21 pm

2 stops35h 26m

Portland

Fri 7/10

6:00 am-11:20 pm

2 stops36h 20m

$1,173

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Sun 5/24

12:20 pm-11:51 pm

1 stop16h 31m

Portland

Thu 5/28

2:20 pm-10:30 am

1 stop15h 10m

$1,262

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Sun 5/24

11:25 am-11:30 pm

2 stops17h 05m

Portland

Thu 5/28

10:55 am-9:20 am

3 stops17h 25m

$1,301
Quickest round-trip

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Mon 7/13

11:05 am-10:33 pm

1 stop16h 28m

Portland

Sat 7/18

2:56 pm-9:05 am

1 stop13h 09m

$1,319

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Mon 7/13

6:35 am-10:33 pm

2 stops20h 58m

Portland

Sat 7/18

8:00 am-9:05 am

1 stop20h 05m

$1,330

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Mon 7/6

6:35 am-10:33 pm

2 stops20h 58m

Portland

Fri 7/10

8:00 am-9:05 am

1 stop20h 05m

$1,371

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Mon 7/6

11:05 am-10:33 pm

1 stop16h 28m

Portland

Fri 7/10

8:00 am-9:05 am

1 stop20h 05m

$1,430

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Portland from

How to get the cheapest flight ticket from Lisbon to Portland, Maine

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Lisbon Humberto Delgado to Portland?

Royal Air Maroc and TAP AIR PORTUGAL are the most popular carriers operating from Lisbon Humberto Delgado to Portland

What airlines fly to Portland, Maine?

TAP AIR PORTUGAL, Delta and Air France are the top three most popular airlines that fly to Portland, Maine from Lisbon according to our data. TAP AIR PORTUGAL is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 6 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.

When to book flights from Lisbon to Portland, Maine

Are you open to changing your travel dates? Check out the ideal times to fly from Lisbon to Portland, Maine according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Lisbon to Portland, Maine (LIS to PWM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Lisbon to Portland, Maine

Fastest flight time

23h 25m

Direct flights

None
The fastest flight from Lisbon to Portland, Maine takes 23h 25m
There are no direct flights from Lisbon to Portland, Maine. There are no popular flight routes from Lisbon to Portland, Maine.
Search flight deals

Frequently asked questions about flying from Lisbon to Portland, Maine

  • How far is Lisbon Humberto Delgado to Portland by plane?

    The distance between Lisbon Humberto Delgado and Portland is about 3121.9 mi. Typically, this will take 23h 25m by plane in normal conditions.

  • When did momondo last update prices for flights from Lisbon Humberto Delgado Airport to Portland Airport?

    Prices for flights from Lisbon Humberto Delgado Airport to Portland Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Lisbon Humberto Delgado Airport to Portland Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lisbon Humberto Delgado Airport to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Boothbay Harbor
Jackson
Freeport
Conway
Lewiston
Brunswick
Bartlett
Gorham
Auburn
Windham
Intervale
Bath
Oxford
Georgetown
Falmouth
Tamworth

Why use momondo?

Why should I use momondo to find a flight deal from Lisbon to Portland?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Lisbon to Portland for you.

Can I find flights from Lisbon to Portland with flexible booking policies on momondo?

momondo does allow users to show only those flights to Portland from Lisbon which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Lisbon to Portland?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Portland from Lisbon.

I’m not ready to book a flight from Lisbon to Portland right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Lisbon to Portland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portland and let you know when they change.

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