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Cheap flights from Portland, Maine to Portugal from $668

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 9/19. 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.
United Airlines Logo
3:15 pm - 6:50 amPWM-OPO
10h 35m1 stop
United Airlines Logo
6:00 am - 11:54 pmOPO-PWM
22h 54m2 stops
$832United Airlines
Find Deal
vie., sep. 19 - dom., oct. 5
United Airlines Logo
6:00 am - 6:50 amPWM-OPO
19h 50m2 stops
United Airlines Logo
6:00 am - 11:54 pmOPO-PWM
22h 54m2 stops
$836United Airlines
Find Deal
vie., sep. 19 - dom., oct. 5
Delta Logo
2:30 pm - 10:55 amPWM-LIS
15h 25m2 stops
Delta Logo
5:00 am - 12:14 amLIS-PWM
24h 14m2 stops
$930Delta
Find Deal
vie., may. 16 - vie., may. 23
United Airlines Logo
3:15 pm - 6:50 amPWM-OPO
10h 35m1 stop
United Airlines Logo
6:00 am - 9:58 amOPO-PWM
32h 58m2 stops
$938United Airlines
Find Deal
vie., sep. 19 - dom., oct. 5
Delta Logo
2:30 pm - 8:00 amPWM-LIS
12h 30m1 stop
Delta Logo
5:00 am - 12:14 amLIS-PWM
24h 14m2 stops
$1,166Delta
Find Deal
vie., may. 16 - vie., may. 23
 Logo
3:43 pm - 9:20 amPWM-LIS
36h 37m2 stops
 Logo
8:15 am - 11:27 pmLIS-PWM
20h 12m2 stops
$1,321
Find Deal
sáb., may. 17 - mié., may. 21
American Airlines Logo
4:01 pm - 9:05 amPWM-LIS
12h 04m1 stop
American Airlines Logo
11:05 am - 10:45 pmLIS-PWM
16h 40m1 stop
$1,324American Airlines
Find Deal
vie., may. 16 - vie., may. 23
 Logo
2:20 pm - 6:35 pmPWM-PDL
24h 15m2 stops
 Logo
6:30 am - 10:46 pmPDL-PWM
20h 16m2 stops
$1,326
Find Deal
lun., ago. 18 - vie., ago. 22
Scandinavian Airlines Logo
6:35 am - 10:05 pmPWM-LIS
34h 30m2 stops
Scandinavian Airlines Logo
7:15 am - 12:14 amLIS-PWM
21h 59m2 stops
$1,379Scandinavian Airlines
Find Deal
sáb., may. 17 - mié., may. 21
American Airlines Logo
1:07 pm - 9:05 amPWM-LIS
14h 58m1 stop
American Airlines Logo
6:35 am - 10:45 pmLIS-PWM
21h 10m2 stops
$1,622American Airlines
Find Deal
sáb., may. 17 - mié., may. 21

United Airlines flights from Portland, Maine to Portugal

Our best United Airlines deals on Portland, Maine to Portugal flight tickets
United Airlines
Sep 19
PWM3:15 pmPortland
10h 35m
1 stop
OPO6:50 amPorto
Oct 5
OPO6:00 amPorto
22h 54m
2 stops
PWM11:54 pmPortland
United Airlines
Sep 19
PWM6:00 amPortland
19h 50m
2 stops
OPO6:50 amPorto
Oct 5
OPO6:00 amPorto
22h 54m
2 stops
PWM11:54 pmPortland
United Airlines
Sep 19
PWM3:15 pmPortland
10h 35m
1 stop
OPO6:50 amPorto
Oct 5
OPO6:00 amPorto
32h 58m
2 stops
PWM9:58 amPortland

Delta flights from Portland, Maine to Portugal

Our best Delta deals on Portland, Maine to Portugal flight tickets
Delta
May 16
PWM2:30 pmPortland
15h 25m
2 stops
LIS10:55 amLisbon Humberto Delgado
May 23
LIS5:00 amLisbon Humberto Delgado
24h 14m
2 stops
PWM12:14 amPortland
Delta
May 16
PWM2:30 pmPortland
12h 30m
1 stop
LIS8:00 amLisbon Humberto Delgado
May 23
LIS5:00 amLisbon Humberto Delgado
24h 14m
2 stops
PWM12:14 amPortland

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

$668

Fastest flight time

10h 35m

Direct flights

None

Airports in Portugal

3 airports
The best one-way flight to Portugal from Portland, Maine in the past 72 hours is $668. The best round-trip flight deal from Portland, Maine to Portugal found on momondo in the last 72 hours is $832.
The fastest flight from Portland, Maine to Portugal takes 10h 35m
There are no direct flights from Portland, Maine to Portugal. Popular non-direct routes for this connection are Portland Airport - Porto Airport, Portland Airport - Lisbon Humberto Delgado Airport and Portland Airport - Ponta Delgada Nordela Airport.
There are 3 airports near Portugal: Lisbon Humberto Delgado (LIS), Ponta Delgada Nordela (PDL), 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
8,667 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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