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Cheap flights from Portland, Maine to Europe from $313

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 Europe departing on 10/15. 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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Find the cheapest flights from Portland, Maine to Europe

Cheap round-trip flights

KLM Logo
6:50 am - 9:15 amPWM-DUB
21h 25m1 stop
KLM Logo
10:45 am - 12:05 amDUB-PWM
18h 20m1 stop
$496KLM
Find Deal
Sun, Oct 19 - Tue, Nov 4
KLM Logo
2:30 pm - 8:45 amPWM-DUB
13h 15m1 stop
KLM Logo
10:45 am - 11:54 pmDUB-PWM
18h 09m1 stop
$503KLM
Find Deal
Tue, Nov 11 - Tue, Nov 18
United Airlines Logo
9:45 am - 9:55 amPWM-DUB
19h 10m2 stops
United Airlines Logo
9:00 am - 1:36 pmDUB-PWM
33h 36m2 stops
$509United Airlines
Find Deal
Wed, Nov 19 - Wed, Nov 26
Delta Logo
6:00 am - 7:45 amPWM-DUB
20h 45m1 stop
Delta Logo
9:45 am - 2:07 pmDUB-PWM
33h 22m2 stops
$518Delta
Find Deal
Wed, Nov 19 - Thu, Nov 27
Delta Logo
6:00 am - 6:25 amPWM-LHR
19h 25m1 stop
Delta Logo
6:20 am - 11:54 pmLHR-PWM
22h 34m2 stops
$525Delta
Find Deal
Tue, Nov 11 - Fri, Nov 21
United Airlines Logo
3:00 pm - 7:30 amPWM-DUB
11h 30m1 stop
United Airlines Logo
12:05 pm - 6:59 pmDUB-PWM
11h 54m1 stop
$532United Airlines
Find Deal
Wed, Nov 19 - Thu, Nov 27
American Airlines Logo
3:52 pm - 10:15 amPWM-DUB
13h 23m2 stops
American Airlines Logo
11:30 am - 10:54 pmDUB-PWM
16h 24m1 stop
$580American Airlines
Find Deal
Fri, Nov 14 - Tue, Nov 18
American Airlines Logo
3:52 pm - 11:15 amPWM-DUB
14h 23m2 stops
American Airlines Logo
11:30 am - 11:59 pmDUB-PWM
17h 29m2 stops
$585American Airlines
Find Deal
Fri, Nov 14 - Tue, Nov 18
JetBlue Logo
2:17 pm - 8:20 amPWM-DUB
13h 03m1 stop
JetBlue Logo
11:30 am - 10:59 pmDUB-PWM
16h 29m1 stop
$625JetBlue
Find Deal
Sat, Oct 18 - Sat, Oct 25
JetBlue Logo
7:09 am - 8:20 amPWM-DUB
20h 11m1 stop
JetBlue Logo
11:30 am - 1:22 pmDUB-PWM
30h 52m1 stop
$680JetBlue
Find Deal
Wed, Oct 15 - Sun, Oct 19

Air Canada flights from Portland, Maine to Europe

Our best Air Canada deals on Portland, Maine to Europe flight tickets
Air Canada
Nov 26
PWM6:00 amPortland
21h 55m
2 stops
MXP9:55 amMilan Malpensa
Dec 2
MXP1:05 pmMilan Malpensa
40h 04m
2 stops
PWM11:09 pmPortland
$561
Find similar
Air Canada
Nov 26
PWM6:00 amPortland
21h 55m
3 stops
MXP9:55 amMilan Malpensa
Dec 2
MXP1:05 pmMilan Malpensa
40h 04m
2 stops
PWM11:09 pmPortland
$567
Find similar
Air Canada
Oct 30
PWM3:00 pmPortland
35h 10m
2 stops
DUB6:10 amDublin
Nov 3
DUB9:00 amDublin
37h 48m
2 stops
PWM5:48 pmPortland
$599
Find similar

United Airlines flights from Portland, Maine to Europe

Our best United Airlines deals on Portland, Maine to Europe flight tickets
United Airlines
Nov 19
PWM9:45 amPortland
19h 10m
2 stops
DUB9:55 amDublin
Nov 26
DUB9:00 amDublin
33h 36m
2 stops
PWM1:36 pmPortland
$509
Find similar
United Airlines
Nov 19
PWM3:00 pmPortland
11h 30m
1 stop
DUB7:30 amDublin
Nov 27
DUB12:05 pmDublin
11h 54m
1 stop
PWM6:59 pmPortland
$532
Find similar
United Airlines
Nov 14
PWM9:45 amPortland
17h 25m
1 stop
DUB8:10 amDublin
Nov 18
DUB12:05 pmDublin
11h 54m
1 stop
PWM6:59 pmPortland
$583
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine to Europe 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 September 19, 2025.
Use the filters below to find and compare flights from Portland, Maine to Europe that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 10/19

6:50 am-9:15 am

1 stop21h 25m

Dublin

Tue 11/4

10:45 am-12:05 am

1 stop18h 20m

$496

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 11/11

2:30 pm-8:45 am

1 stop13h 15m

Dublin

Tue 11/18

10:45 am-11:54 pm

1 stop18h 09m

$503

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 11/19

9:45 am-9:55 am

2 stops19h 10m

Dublin

Wed 11/26

9:00 am-1:36 pm

2 stops33h 36m

$509

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 11/19

6:00 am-7:45 am

1 stop20h 45m

Dublin

Thu 11/27

9:45 am-2:07 pm

2 stops33h 22m

$518

PortlandLondon

PWM - LHR

PWMLHR

Portland

Tue 11/11

6:00 am-6:25 am

1 stop19h 25m

London Heathrow

Fri 11/21

6:20 am-11:54 pm

2 stops22h 34m

$525

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 11/19

3:00 pm-7:30 am

1 stop11h 30m

Dublin

Thu 11/27

12:05 pm-6:59 pm

1 stop11h 54m

$532

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 11/14

3:52 pm-10:15 am

2 stops13h 23m

Dublin

Tue 11/18

11:30 am-10:54 pm

1 stop16h 24m

$580

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 11/14

3:52 pm-11:15 am

2 stops14h 23m

Dublin

Tue 11/18

11:30 am-11:59 pm

2 stops17h 29m

$585

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 10/18

2:17 pm-8:20 am

1 stop13h 03m

Dublin

Sat 10/25

11:30 am-10:59 pm

1 stop16h 29m

$625

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 10/15

7:09 am-8:20 am

1 stop20h 11m

Dublin

Sun 10/19

11:30 am-1:22 pm

1 stop30h 52m

$680

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Portland, Maine to Europe

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 Europe?

The cheapest day to depart from Portland, Maine to Europe is on a Tuesday. Travelers who choose to depart for Europe on a Tuesday will often find tickets for as low as $788. Flights from Portland, Maine to Europe on a Friday will generally be more expensive and average around $936. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Europe is at noon. momondo users have found flights departing from Portland, Maine to Europe at noon for as low as $827. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the afternoon because they tend to be around $869. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on Portland, Maine to Europe flights?

You could potentially save up to 4% on your flight if you consider stops on a Portland, Maine to Europe flight.

Cheap Portland, Maine to Europe flight deals and tips

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

Direct flights

None
There are no direct flights from Portland, Maine to Europe. There are no popular flight routes from Portland, Maine to Europe.
Search flight deals

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

    Prices for flights from Portland Airport to Europe are updated daily.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Europe.

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

    The travel and health documents you'll need for your trip to Europe 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 Europe. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Portland, Maine to Europe

Compare and see reviews for airlines that fly from Portland, Maine to Europe with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $152Free CancellationRating
7.9
7,964 reviews
Search Delta flights
United AirlinesPriceFrom $578Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
JetBluePriceFrom $586Free CancellationRating
7.2
2,911 reviews
Search JetBlue flights
American AirlinesPriceFrom $586Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

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

Finding the right flight to Europe from Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Europe quick and easy, saving you time and money.

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

Yes. All flights to Europe from Portland on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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 Europe from Portland.

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

If you are simply researching potential flights to Europe, momondo offers a useful price alert feature which will track prices for flights to Europe from Portland and alert you when they change.

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Sun 10/19
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