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$353+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DUB
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$527
(JetBlue)

One-way from

$353
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$625
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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Highest demand for flights based on searches. 24% potential increase in price ($251 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($52 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 17, 2025.

This JetBlue deal was found by Cheapflights users on 4/15. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/102:15 pmPWM - DUB
1 stop13h 05mJetBlue
Sat 5/2411:30 amDUB - PWM
1 stop16h 29mJetBlue
Deal found 4/15$527
This Justfly.com deal was found by Cheapflights users on 4/17. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/88:00 amPWM - DUB
2 stops18h 45mAir Canada
Fri 8/229:50 amDUB - PWM
2 stops37h 36mAir Canada
Deal found 4/17$598
This United Airlines deal was found by Cheapflights users on 4/17. 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 8/82:08 pmPWM - DUB
1 stop12h 02mUnited Airlines
Fri 8/229:50 amDUB - PWM
2 stops18h 11mUnited Airlines
Deal found 4/17$621
This KLM deal was found by Cheapflights users on 4/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2411:59 amPWM - DUB
1 stop14h 56mKLM
Mon 10/279:45 amDUB - PWM
1 stop18h 03mKLM
Deal found 4/16$792
This Air Canada deal was found by Cheapflights users on 4/17. 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.
Fri 8/810:51 amPWM - DUB
3 stops16h 24mMultiple Airlines
Fri 8/229:50 amDUB - PWM
2 stops18h 11mMultiple Airlines
Deal found 4/17$962
This Delta deal was found by Cheapflights users on 4/17. 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 6/15:30 amPWM - DUB
2 stops23h 30mDelta
Sun 6/81:20 pmDUB - PWM
2 stops16h 26mDelta
Deal found 4/17$983
This oojo deal was found by Cheapflights users on 4/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/302:20 pmPWM - DUB
2 stops38h 15mTurkish Airlines
Sun 7/61:35 pmDUB - PWM
2 stops39h 02mTurkish Airlines
Deal found 4/16$1,068
This American Airlines deal was found by Cheapflights users on 4/16. 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.
Sun 8/312:26 pmPWM - DUB
2 stops13h 04mAmerican Airlines
Fri 8/81:45 pmDUB - PWM
1 stop14h 01mAmerican Airlines
Deal found 4/16$1,420

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 April 17, 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

Sat 5/10

2:15 pm-8:20 am

1 stop13h 05m

Dublin

Sat 5/24

11:30 am-10:59 pm

1 stop16h 29m

$527

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 8/8

8:00 am-7:45 am

2 stops18h 45m

Dublin

Fri 8/22

9:50 am-6:26 pm

2 stops37h 36m

$598

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 8/8

2:08 pm-7:10 am

1 stop12h 02m

Dublin

Fri 8/22

9:50 am-11:01 pm

2 stops18h 11m

$621

PortlandDublin

PWM - DUB

PWMDUB

Portland

Fri 8/8

10:51 am-8:15 am

3 stops16h 24m

Dublin

Fri 8/22

9:50 am-11:01 pm

2 stops18h 11m

$962

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 6/1

5:30 am-10:00 am

2 stops23h 30m

Dublin

Sun 6/8

1:20 pm-12:46 am

2 stops16h 26m

$983

PortlandDublin

PWM - DUB

PWMDUB

Portland

Thu 6/5

5:30 am-8:45 am

1 stop22h 15m

Dublin

Wed 6/18

1:15 pm-12:46 am

1 stop16h 31m

$986

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 6/30

2:20 pm-9:35 am

2 stops38h 15m

Dublin

Sun 7/6

1:35 pm-11:37 pm

2 stops39h 02m

$1,068

PortlandDublin

PWM - DUB

PWMDUB

Portland

Sun 8/3

12:26 pm-6:30 am

2 stops13h 04m

Dublin

Fri 8/8

1:45 pm-10:46 pm

1 stop14h 01m

$1,420

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 5/12

9:30 pm-5:00 pm

2 stops38h 30m

$353

PortlandDublin

PWM - DUB

PWMDUB

Portland

Mon 5/12

9:30 am-10:20 am

1 stop19h 50m

$433

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 12 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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Portland, Maine-Dublin flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 $509). Flying from Portland, Maine to Dublin in June is currently the most expensive (average of $1,006). 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 April 17, 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 April 17, 2025.
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,916 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,327 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
JetBlue
7.3
Good
2,926 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Turkish Airlines
7.3
Good
3,769 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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, JetBlue ($527), Air Canada ($598), and United Airlines ($621) offers the cheapest pricing from Portland, Maine to Dublin. JetBlue is currently priced 32% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Portland, Maine to Dublin one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $433. However, be on the lookout for offers from JetBlue and WestJet, as they are both options that can get you from Portland, Maine to Dublin for a low price.

  • 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 $1,006). 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
Castleknock
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
Portland to Shannon flights
Bangor to Dublin flights
Boston to Milltown (Kerry) flights

Top 3 airlines flying from Portland to Dublin

Discover the top 3 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$471Average$805FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$575Average$779FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$580Average$721FlexibilityNo cancel feeOn-time62%

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