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$383+ Cheap flights from Portland, ME (PWM) to Dublin (DUB)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DUB
Jan 9 — Jan 161
Fri 1/9
Fri 1/16
1 adult, Economy
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Cheap flight deals from Portland to Dublin

Best flights from Portland to Dublin
Discover carefully curated flight deals from Portland to Dublin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 10, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/212:35 pmPWM - DUB
2 stops16h 10mScandinavian Airlines
Sun 1/2510:10 amDUB - PWM
2 stops43h 10mScandinavian Airlines
Deal found 12/9$524
This Air Canada deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:37 pmPWM - DUB
2 stops55h 38mAir Canada
Sun 4/269:50 amDUB - PWM
2 stops42h 08mAir Canada
Deal found 12/9$619
This United Airlines deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2111:12 amPWM - DUB
2 stops15h 58mUnited Airlines
Sun 1/2510:40 amDUB - PWM
2 stops32h 51mUnited Airlines
Deal found 12/8$619
This Delta deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:30 amPWM - DUB
1 stop21h 45mDelta
Sat 5/21:15 pmDUB - PWM
1 stop15h 44mDelta
Deal found 12/8$642
This Air France deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/192:35 pmPWM - DUB
1 stop13h 40mAir France
Sun 4/261:15 pmDUB - PWM
1 stop29h 39mAir France
Deal found 12/9$658
This KAYAK deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:30 amPWM - DUB
2 stops45h 55mScandinavian Airlines
Sat 5/27:05 pmDUB - PWM
2 stops33h 54mScandinavian Airlines
Deal found 12/8$558
This United Airlines deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2410:05 amPWM - DUB
1 stop16h 15mUnited Airlines
Sat 5/29:50 amDUB - PWM
2 stops32h 48mUnited Airlines
Deal found 12/9$629
This Delta deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:30 amPWM - DUB
2 stops22h 55mDelta
Fri 5/86:00 amDUB - PWM
2 stops22h 59mDelta
Deal found 12/9$693
This Delta deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/192:35 pmPWM - DUB
1 stop13h 40mDelta
Sun 4/266:00 amDUB - PWM
2 stops21h 03mDelta
Deal found 12/9$724
This Delta deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/172:35 pmPWM - DUB
1 stop13h 40mDelta
Fri 4/241:15 pmDUB - PWM
2 stops27h 40mDelta
Deal found 12/8$742

Find flight deals from Portland to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 10, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$524
(Scandinavian Airlines)

One-way from

$383
(JetBlue)
Provider with most accurate pricing for Portland-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Dublin flights.
Search Deals
From Portland to Dublin
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One-way flight from Portland to Dublin
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Dublin 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, Cheapflights users made 2,558,603 searches. Data last updated December 10, 2025.
Use the filters below to find and compare flights from Portland to Dublin that are best for you.

Fly from

Portland

Fly to

Dublin

Route

Depart

Return

Price

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 1/21

2:35 pm-11:45 am

2 stops16h 10m

Dublin

Sun 1/25

10:10 am-12:20 am

2 stops43h 10m

$524

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 4/24

6:30 am-9:25 am

2 stops45h 55m

Dublin

Sat 5/2

7:05 pm-11:59 pm

2 stops33h 54m

$558

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 4/18

7:37 pm-8:15 am

2 stops55h 38m

Dublin

Sun 4/26

9:50 am-10:58 pm

2 stops42h 08m

$619

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 1/21

11:12 am-8:10 am

2 stops15h 58m

Dublin

Sun 1/25

10:40 am-2:31 pm

2 stops32h 51m

$619

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 4/24

10:05 am-7:20 am

1 stop16h 15m

Dublin

Sat 5/2

9:50 am-1:38 pm

2 stops32h 48m

$629

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 4/24

6:30 am-9:15 am

1 stop21h 45m

Dublin

Sat 5/2

1:15 pm-11:59 pm

1 stop15h 44m

$642

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 4/19

2:35 pm-9:15 am

1 stop13h 40m

Dublin

Sun 4/26

1:15 pm-1:54 pm

1 stop29h 39m

$658

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 5/1

6:30 am-10:25 am

2 stops22h 55m

Dublin

Fri 5/8

6:00 am-11:59 pm

2 stops22h 59m

$693

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 4/19

2:35 pm-9:15 am

1 stop13h 40m

Dublin

Sun 4/26

6:00 am-10:03 pm

2 stops21h 03m

$724

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 4/17

2:35 pm-9:15 am

1 stop13h 40m

Dublin

Fri 4/24

1:15 pm-11:55 am

2 stops27h 40m

$742

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 14 results
1
2

Compare providers for flights from Portland to Dublin

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Dublin in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland, Maine-Dublin flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland, Maine-Dublin flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Portland, Maine-Dublin flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland, Maine-Dublin flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland, Maine-Dublin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Dublin

What is the cheapest month to book a flight from Portland, Maine to Dublin?

Currently, November is the cheapest month in which you can book a flight from Portland, Maine to Dublin (average of $313). Flying from Portland, Maine to Dublin in June is currently the most expensive (average of $425). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PWM to DUB?

Find hourly flight availability from Portland to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 10, 2025.

A simple way to save on the total cost of your ticket is to fly from Portland, Maine to Dublin at noon. If you’re flexible enough to do this you can expect to save up to 8% on your trip compared to booking a flight in the morning.

Reviews of airlines servicing Dublin

Get insights into the airlines that provide service to Dublin. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dublin. Reviews last updated December 10, 2025.
Peruse reviews from past customers who have flown with United Airlines and JetBlue from Portland to Dublin to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,090 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,090 reviews
United Airlines
7.4
Good
9,090 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
JetBlue
7.2
Good
2,899 reviews
United Airlines
7.4
Good
9,090 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

Find useful and relevant information for your journey from Portland to Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portland, Maine to Dublin?

    For as low as $619, Scandinavian Airlines can have you in Dublin from Portland, Maine in 15h 58m. Portland, Maine and Dublin are separated by a distance of 2901 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Portland, Maine to Dublin round-trip?

    According to our current data, JetBlue ($556), and United Airlines ($575) offers the cheapest pricing from Portland, Maine to Dublin.

  • Can I find deals for flights from Portland to Dublin that include hotel bookings?

    Yes. In addition to deals on Portland to Dublin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Dublin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Dublin.

  • Can I find deals for business class flights from Portland to Dublin?

    Yes. Cheapflights offers flight deals from Portland to Dublin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland, Maine to Dublin?

    Currently, November is the cheapest month in which you can book a flight from Portland, Maine to Dublin (average of $313). Flying from Portland, Maine to Dublin in June is currently the most expensive (average of $425). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Maynooth
Castleknock
Wicklow
Leixlip

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Portland to Dublin

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Dublin flights
Boston to Shannon flights
Boston to Cork flights
Boston to Milltown (Kerry) flights
Bangor to Dublin flights
Portland to Shannon flights

Top 2 airlines flying from Portland to Dublin

Discover the top 2 airlines that operate flights from Portland to Dublin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$556Average$621FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$575Average$688FlexibilityNo cancel feeOn-time69%

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