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$443+ 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DUB
Jan 21 — Jan 281
Tue 1/21
Tue 1/28
1 adult, Economy
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Cheap 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 January 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$661
(United Airlines)

One-way from

$443
(JetBlue)

Popular in

June

Cheapest in

November

Average price

$593
Provider with most accurate pricing for Portland-Dublin flight deals.
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Provider most trusted by Cheapflights users for Portland-Dublin flights.
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From Portland to Dublin
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One-way flight from Portland to Dublin
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High demand for flights, 24% potential price rise
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Best time to find cheap flights, 9% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Portland to Dublin

Cheapest flights from Portland to Dublin
Explore the most affordable flight options available from Portland to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.

This United Airlines deal was found by Cheapflights users on 1/15. 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.
Sat 3/17:15 pmPWM - DUB
1 stop9h 50mUnited Airlines
Sat 3/89:00 amDUB - PWM
2 stops53h 37mUnited Airlines
Deal found 1/15$661
This Air Canada deal was found by Cheapflights users on 1/15. 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 3/16:01 amPWM - DUB
2 stops20h 09mMultiple Airlines
Sat 3/89:00 amDUB - PWM
3 stops19h 15mMultiple Airlines
Deal found 1/15$727
This Delta deal was found by Cheapflights users on 1/15. 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.
Sat 3/15:34 amPWM - DUB
1 stop23h 11mDelta
Sat 3/810:45 amDUB - PWM
1 stop31h 33mDelta
Deal found 1/15$765
This FlightHub deal was found by Cheapflights users on 1/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/52:35 pmPWM - DUB
2 stops37h 50mScandinavian Airlines
Fri 9/127:05 pmDUB - PWM
2 stops33h 40mScandinavian Airlines
Deal found 1/16$805
This CheapOair deal was found by Cheapflights users on 1/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/106:00 amPWM - DUB
2 stops45h 15mAir Canada
Sun 10/199:50 amDUB - PWM
2 stops42h 27mAir Canada
Deal found 1/15$811
This JetBlue deal was found by Cheapflights users on 1/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/12:45 pmPWM - DUB
1 stop13h 15mJetBlue
Thu 8/1411:50 amDUB - PWM
1 stop15h 02mJetBlue
Deal found 1/16$893
This American Airlines deal was found by Cheapflights users on 1/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/112:38 pmPWM - DUB
2 stops12h 52mAmerican Airlines
Sun 7/61:55 pmDUB - PWM
1 stop12h 55mAmerican Airlines
Deal found 1/16$1,231
This KLM deal was found by Cheapflights users on 1/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/163:04 pmPWM - DUB
1 stop12h 41mKLM
Sat 2/2210:45 amDUB - PWM
1 stop18h 12mKLM
Deal found 1/15$1,259
This Austrian Airlines deal was found by Cheapflights users on 1/15. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1211:36 amPWM - DUB
1 stop14h 24mAustrian Airlines
Tue 2/189:00 amDUB - PWM
1 stop14h 31mAustrian Airlines
Deal found 1/15$1,749

Find flights from Portland to Dublin within your budget

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 January 16, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 3/1

7:15 pm-10:05 am

1 stop9h 50m

Dublin

Sat 3/8

9:00 am-9:37 am

2 stops53h 37m

$661

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 3/1

6:01 am-7:10 am

2 stops20h 09m

Dublin

Sat 3/8

9:00 am-11:15 pm

3 stops19h 15m

$727

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sat 3/1

5:34 am-9:45 am

1 stop23h 11m

Dublin

Sat 3/8

10:45 am-1:18 pm

1 stop31h 33m

$765

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 5/21

6:00 am-8:15 am

2 stops21h 15m

Dublin

Thu 5/29

9:50 am-11:27 pm

2 stops42h 37m

$828

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 7/1

2:45 pm-9:00 am

1 stop13h 15m

Dublin

Sun 7/6

11:50 am-9:52 pm

1 stop15h 02m

$1,158

PortlandDublin

PWM - DUB

PWMDUB

Portland

Tue 7/1

12:38 pm-6:30 am

2 stops12h 52m

Dublin

Sun 7/6

1:55 pm-9:50 pm

1 stop12h 55m

$1,231

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 2/16

3:04 pm-8:45 am

1 stop12h 41m

Dublin

Sat 2/22

10:45 am-11:57 pm

1 stop18h 12m

$1,259

PortlandDublin

PWM - DUB

PWMDUB

Portland

Wed 2/12

11:36 am-7:00 am

1 stop14h 24m

Dublin

Tue 2/18

9:00 am-6:31 pm

1 stop14h 31m

$1,749

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 5/19

5:50 pm-9:00 am

1 stop10h 10m

$443

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 5/19

11:53 am-10:00 pm

2 stops29h 07m

$481

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Dublin flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

Travel insights for flights from Portland to Dublin

Get recent, data-driven insights about flights from Portland to Dublin including ideal travel times, pricing trends, and more.

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 $509). Flying from Portland, Maine to Dublin in June is currently the most expensive (average of $1,016). 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 January 16, 2025.

A simple way to save on the total cost of your ticket is to fly from Portland, Maine to Dublin in the morning. If you’re flexible enough to do this you can expect to save up to 1% on your trip compared to booking a flight at noon.

Rainfall in Dublin by month

Plan your trip to Dublin by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Dublin ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Dublin when rainfall is around 1.9 in.

Temperature in Dublin by month

Plan your trip to Dublin by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Dublin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 January 16, 2025.
Read reviews from past customers who have flown KLM and American Airlines from Portland to Dublin. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,511 reviews
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,339 reviews
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Austrian Airlines
7.6
Good
786 reviews
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

JetBlue
7.4
Good
3,199 reviews
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,964 reviews
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    According to our current data, United Airlines ($661), Delta ($765), and Air Canada ($828) offers the cheapest pricing from Portland, Maine to Dublin. United Airlines is currently priced 22% below the average price you’ll pay for this route.

  • 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 $509). Flying from Portland, Maine to Dublin in June is currently the most expensive (average of $1,016). 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 Portland?

Book flights to Portland if you plan to visit one of these locations
Maynooth
Swords
Wicklow
Leixlip

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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
Bangor to Dublin flights
Portland to Shannon flights
Boston to Milltown (Kerry) flights

Top airline flying from Portland to Dublin

Discover the top airline 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 January 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$587Average$871FlexibilityNo cancel feeOn-time71%
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