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Cheap flights from Portugal to Portland from $445

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

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Find the cheapest flights from Portugal to Portland

Recent round-trip flight deals from Portugal to Portland

Enter your travel dates to find the best prices.
United Airlines Logo
6:45 am - 8:02 pm
LIS
-
PWM
18h 17m
2 stops
United Airlines Logo
5:30 am - 8:10 am
PWM
-
LIS
22h 40m
2 stops
$994United Airlines
Wed, Oct 21 - Sun, Oct 25
United Airlines Logo
5:05 am - 9:23 am
LIS
-
PWM
33h 18m
2 stops
United Airlines Logo
6:00 am - 8:10 am
PWM
-
LIS
22h 10m
1 stop
$996United Airlines
Wed, Oct 21 - Sun, Oct 25
United Airlines Logo
6:45 am - 9:23 am
LIS
-
PWM
31h 38m
2 stops
United Airlines Logo
5:06 pm - 8:10 am
PWM
-
LIS
11h 04m
1 stop
$997United Airlines
Wed, Oct 21 - Sun, Oct 25
United Airlines Logo
6:45 am - 8:02 pm
LIS
-
PWM
18h 17m
2 stops
United Airlines Logo
5:30 am - 8:10 am
PWM
-
LIS
22h 40m
2 stops
$1,011United Airlines
Wed, Oct 21 - Sun, Oct 25
United Airlines Logo
10:25 am - 6:14 pm
LIS
-
PWM
12h 49m
1 stop
United Airlines Logo
3:15 pm - 8:10 am
PWM
-
LIS
12h 55m
1 stop
$1,021United Airlines
Wed, Oct 21 - Sun, Oct 25
American Airlines Logo
6:35 am - 11:24 pm
LIS
-
PWM
21h 49m
2 stops
American Airlines Logo
3:03 pm - 2:50 pm
PWM
-
LIS
19h 47m
2 stops
$1,023American Airlines
Wed, Oct 21 - Sun, Oct 25
United Airlines Logo
10:25 am - 6:14 pm
LIS
-
PWM
12h 49m
1 stop
United Airlines Logo
5:06 pm - 8:10 am
PWM
-
LIS
11h 04m
1 stop
$1,024United Airlines
Wed, Oct 21 - Sun, Oct 25
United Airlines Logo
10:25 am - 6:35 pm
LIS
-
PWM
13h 10m
1 stop
United Airlines Logo
7:16 pm - 10:30 am
PWM
-
LIS
10h 14m
1 stop
$1,067United Airlines
Wed, Jun 10 - Sun, Jun 14
American Airlines Logo
11:05 am - 6:25 pm
LIS
-
PWM
12h 20m
1 stop
American Airlines Logo
3:03 pm - 9:05 am
PWM
-
LIS
14h 02m
1 stop
$1,093American Airlines
Wed, Oct 21 - Sun, Oct 25
United Airlines Logo
10:25 am - 7:27 pm
LIS
-
PWM
14h 02m
2 stops
United Airlines Logo
3:46 pm - 10:30 am
PWM
-
LIS
13h 44m
2 stops
$1,393United Airlines
Mon, Jul 6 - Mon, Jul 13

American Airlines flights from Portugal to Portland, Maine

Our best American Airlines deals on Portugal to Portland, Maine flight tickets
American Airlines
Oct 21
LIS6:35 amLisbon Humberto Delgado
21h 49m
2 stops
PWM11:24 pmPortland
Oct 25
PWM3:03 pmPortland
19h 47m
2 stops
LIS2:50 pmLisbon Humberto Delgado
$1,023
American Airlines
Oct 21
LIS11:05 amLisbon Humberto Delgado
12h 20m
1 stop
PWM6:25 pmPortland
Oct 25
PWM3:03 pmPortland
14h 02m
1 stop
LIS9:05 amLisbon Humberto Delgado
$1,093

United Airlines flights from Portugal to Portland, Maine

Our best United Airlines deals on Portugal to Portland, Maine flight tickets
United Airlines
Oct 21
LIS6:45 amLisbon Humberto Delgado
18h 17m
2 stops
PWM8:02 pmPortland
Oct 25
PWM5:30 amPortland
22h 40m
2 stops
LIS8:10 amLisbon Humberto Delgado
$994
United Airlines
Oct 21
LIS5:05 amLisbon Humberto Delgado
33h 18m
2 stops
PWM9:23 amPortland
Oct 25
PWM6:00 amPortland
22h 10m
1 stop
LIS8:10 amLisbon Humberto Delgado
$996
United Airlines
Oct 21
LIS6:45 amLisbon Humberto Delgado
31h 38m
2 stops
PWM9:23 amPortland
Oct 25
PWM5:06 pmPortland
11h 04m
1 stop
LIS8:10 amLisbon Humberto Delgado
$997

momondo Fare Finder

 
Customize your flight search to find flights from Portugal 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 27, 2026.
Use the filters below to find and compare flights from Portugal 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

Wed 10/21

6:45 am-8:02 pm

2 stops18h 17m

Portland

Sun 10/25

5:30 am-8:10 am

2 stops22h 40m

$994

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Wed 10/21

5:05 am-9:23 am

2 stops33h 18m

Portland

Sun 10/25

6:00 am-8:10 am

1 stop22h 10m

$996

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Wed 10/21

6:45 am-9:23 am

2 stops31h 38m

Portland

Sun 10/25

5:06 pm-8:10 am

1 stop11h 04m

$997

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Wed 10/21

6:45 am-8:02 pm

2 stops18h 17m

Portland

Sun 10/25

5:30 am-8:10 am

2 stops22h 40m

$1,011

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Wed 10/21

10:25 am-6:14 pm

1 stop12h 49m

Portland

Sun 10/25

3:15 pm-8:10 am

1 stop12h 55m

$1,021

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Wed 10/21

6:35 am-11:24 pm

2 stops21h 49m

Portland

Sun 10/25

3:03 pm-2:50 pm

2 stops19h 47m

$1,023

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Wed 10/21

10:25 am-6:14 pm

1 stop12h 49m

Portland

Sun 10/25

5:06 pm-8:10 am

1 stop11h 04m

$1,024
Quickest round-trip

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Wed 6/10

10:25 am-6:35 pm

1 stop13h 10m

Portland

Sun 6/14

7:16 pm-10:30 am

1 stop10h 14m

$1,067

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Wed 10/21

11:05 am-6:25 pm

1 stop12h 20m

Portland

Sun 10/25

3:03 pm-9:05 am

1 stop14h 02m

$1,093

LisbonPortland

LIS - PWM

LISPWM

Lisbon Humberto Delgado

Mon 7/6

10:25 am-7:27 pm

2 stops14h 02m

Portland

Mon 7/13

3:46 pm-10:30 am

2 stops13h 44m

$1,393

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portland from

How to get the cheapest flight ticket from Portugal 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 Portugal to Portland?

WestJet is the most popular carrier operating from Portugal 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 Portugal according to our data. TAP AIR PORTUGAL is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 7 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.

Cheap Portugal to Portland, Maine flight deals and tips

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

Fastest flight time

23h 25m

Direct flights

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

Frequently asked questions about flying from Portugal to Portland, Maine

  • When did momondo last update prices for flights from Portugal to Portland Airport?

    Prices for flights from Portugal to Portland Airport were last updated today.

  • How old do you have to be to fly from Portugal to Portland Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portugal to Portland Airport.

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

    The travel and health documents you'll need for your trip to Portland Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portland Airport. It is always advisable to seek 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
Lewiston
Conway
Freeport
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 Portugal to Portland?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portland from Portugal.

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

All flight searches from Portugal to Portland on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Portugal to Portland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Portugal to Portland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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