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Cheap flights from Portland, Maine to Portugal from $342

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Portugal departing on 4/7. 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 Portland, Maine to Portugal

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Portland, Maine to Portugal.
2:30 pm - 8:55 amPWM-LIS
37h 25m2 stops
7:00 am - 12:14 amLIS-PWM
22h 14m2 stops
木, 5月 8 - 木, 5月 15
2:30 pm - 2:35 pmPWM-LIS
19h 05m2 stops
10:00 am - 12:14 amLIS-PWM
19h 14m1 stop
$890KLM
Find Deal
木, 5月 8 - 木, 5月 15
6:35 am - 4:00 pmPWM-LIS
28h 25m2 stops
7:00 am - 12:14 amLIS-PWM
22h 14m2 stops
日, 5月 11 - 土, 5月 31
2:35 pm - 3:35 pmPWM-OPO
20h 00m2 stops
11:35 am - 11:31 pmOPO-PWM
16h 56m2 stops
$950Delta
Find Deal
金, 9月 19 - 日, 10月 5
3:15 pm - 6:50 amPWM-OPO
10h 35m1 stop
12:10 pm - 10:44 amOPO-PWM
51h 34m2 stops
$953United Airlines
Find Deal
金, 9月 19 - 日, 10月 5
6:00 am - 9:35 amPWM-OPO
46h 35m3 stops
12:10 pm - 9:27 pmOPO-PWM
38h 17m2 stops
$961United Airlines
Find Deal
金, 9月 19 - 日, 10月 5
7:15 pm - 10:30 amPWM-LIS
10h 15m1 stop
11:25 am - 10:01 pmLIS-PWM
39h 36m2 stops
$973United Airlines
Find Deal
日, 8月 3 - 火, 8月 12
10:05 am - 11:05 amPWM-LIS
20h 00m2 stops
11:25 am - 10:01 pmLIS-PWM
39h 36m2 stops
$980United Airlines
Find Deal
日, 8月 3 - 火, 8月 12
3:15 pm - 2:55 pmPWM-OPO
18h 40m3 stops
10:00 am - 10:48 amOPO-PWM
29h 48m3 stops
$1,350Air Canada
Find Deal
金, 9月 19 - 日, 10月 5
3:43 pm - 4:30 pmPWM-LIS
19h 47m3 stops
7:55 am - 11:27 pmLIS-PWM
20h 32m3 stops
$1,641Air Canada
Find Deal
木, 5月 8 - 木, 5月 15

KLM flights from Portland, Maine to Portugal

Our best KLM deals on Portland, Maine to Portugal flight tickets
KLM
May 8
PWM2:30 pmPortland
19h 05m
2 stops
LIS2:35 pmLisbon Humberto Delgado
May 15
LIS10:00 amLisbon Humberto Delgado
19h 14m
1 stop
PWM12:14 amPortland
KLM
May 8
PWM2:30 pmPortland
12h 30m
1 stop
LIS8:00 amLisbon Humberto Delgado
May 15
LIS10:00 amLisbon Humberto Delgado
19h 14m
1 stop
PWM12:14 amPortland
KLM
May 11
PWM2:30 pmPortland
19h 05m
2 stops
LIS2:35 pmLisbon Humberto Delgado
May 31
LIS10:00 amLisbon Humberto Delgado
19h 14m
1 stop
PWM12:14 amPortland

Air Canada flights from Portland, Maine to Portugal

Our best Air Canada deals on Portland, Maine to Portugal flight tickets
Air Canada
Sep 19
PWM3:15 pmPortland
18h 40m
3 stops
OPO2:55 pmPorto
Oct 5
OPO10:00 amPorto
29h 48m
3 stops
PWM10:48 amPortland
Air Canada
May 8
PWM3:43 pmPortland
19h 47m
3 stops
LIS4:30 pmLisbon Humberto Delgado
May 15
LIS7:55 amLisbon Humberto Delgado
20h 32m
3 stops
PWM11:27 pmPortland
Air Canada
May 11
PWM3:43 pmPortland
19h 47m
3 stops
LIS4:30 pmLisbon Humberto Delgado
May 31
LIS7:55 amLisbon Humberto Delgado
21h 04m
3 stops
PWM11:59 pmPortland

See travel insights to Portugal from

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

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 day to depart on your flight to Portugal?

According to our data, Sunday is the cheapest day to fly to Portugal from Portland, Maine. The lowest ticket price found for a Sunday departure recently was $681. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Thursday, with ticket prices averaging around $1,357.

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is in the evening. Flights from Portland, Maine to Portugal during this time can be as low as $722. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,096 per ticket.

Cheap Portland, Maine to Portugal flight deals and tips

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

Best Price Found

$342

Fastest flight time

10h 15m

Direct flights

None

Airports in Portugal

2 airports
The best one-way flight to Portugal from Portland, Maine in the past 72 hours is $342. The best round-trip flight deal from Portland, Maine to Portugal found on momondo in the last 72 hours is $884.
The fastest flight from Portland, Maine to Portugal takes 10h 15m
There are no direct flights from Portland, Maine to Portugal. Popular non-direct routes for this connection are Portland Airport - Porto Airport and Portland Airport - Lisbon Humberto Delgado Airport.
There are 2 airports near Portugal: Lisbon Humberto Delgado (LIS), Porto (OPO)

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

    Prices for flights from Portland Airport to Portugal are refreshed on a daily basis.

  • How many operators does momondo search for flights from Portland Airport to Portugal?

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

    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 Portland Airport to Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The travel and health documents required for your trip to Portugal can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portugal. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Best airlines flying from Portland, Maine to Portugal

Compare and see reviews for airlines that fly from Portland, Maine to Portugal with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $550Free CancellationRating
7.4
8,614 reviews
Search United Airlines flights

Why use momondo?

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

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 Portland to Portugal for you.

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

Flights from Portland to Portugal with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Portland to Portugal flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Portugal from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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