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$379+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DUB
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
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 julio 3, 2025.

Round-trip from

$504
(United Airlines)

One-way from

$379
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,024
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. 23% potential increase in price ($237 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($55 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 3, 2025.

This United Airlines deal was found by Cheapflights users on 7/1. 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.
mar. 11/117:22 pmPWM - DUB
1 stop9h 58mUnited Airlines
mié. 11/199:00 amDUB - PWM
2 stops33h 58mUnited Airlines
Deal found 7/1$504
This Expedia deal was found by Cheapflights users on 7/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/116:00 amPWM - DUB
2 stops20h 10mAir Canada
mié. 11/199:00 amDUB - PWM
2 stops43h 17mAir Canada
Deal found 7/1$511
This JetBlue deal was found by Cheapflights users on 7/2. 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.
sáb. 8/162:19 pmPWM - DUB
1 stop13h 01mJetBlue
sáb. 8/2311:30 amDUB - PWM
1 stop17h 47mJetBlue
Deal found 7/2$538
This KLM deal was found by Cheapflights users on 7/2. 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.
lun. 9/16:33 pmPWM - DUB
1 stop10h 27mKLM
sáb. 9/1311:00 amDUB - PWM
1 stop16h 00mKLM
Deal found 7/2$702
This American Airlines deal was found by Cheapflights users on 7/1. 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.
mié. 9/176:00 amPWM - DUB
1 stop19h 30mAmerican Airlines
mié. 9/249:30 amDUB - PWM
2 stops19h 22mAmerican Airlines
Deal found 7/1$751
This Air Canada deal was found by Cheapflights users on 7/2. 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.
mar. 11/119:30 amPWM - DUB
2 stops16h 40mMultiple Airlines
mié. 11/198:45 amDUB - PWM
3 stops19h 32mMultiple Airlines
Deal found 7/2$761

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 julio 3, 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

mar. 11/11

7:22 pm-10:20 am

1 stop9h 58m

Dublin

mié. 11/19

9:00 am-1:58 pm

2 stops33h 58m

$504

PortlandDublin

PWM - DUB

PWMDUB

Portland

mar. 11/11

6:00 am-7:10 am

2 stops20h 10m

Dublin

mié. 11/19

9:00 am-11:17 pm

2 stops43h 17m

$511

PortlandDublin

PWM - DUB

PWMDUB

Portland

sáb. 8/16

2:19 pm-8:20 am

1 stop13h 01m

Dublin

sáb. 8/23

11:30 am-12:17 am

1 stop17h 47m

$538

PortlandDublin

PWM - DUB

PWMDUB

Portland

lun. 9/1

6:33 pm-10:00 am

1 stop10h 27m

Dublin

sáb. 9/13

11:00 am-10:00 pm

1 stop16h 00m

$702

PortlandDublin

PWM - DUB

PWMDUB

Portland

mié. 9/17

6:00 am-6:30 am

1 stop19h 30m

Dublin

mié. 9/24

9:30 am-11:52 pm

2 stops19h 22m

$751

PortlandDublin

PWM - DUB

PWMDUB

Portland

mar. 11/11

9:30 am-7:10 am

2 stops16h 40m

Dublin

mié. 11/19

8:45 am-11:17 pm

3 stops19h 32m

$761

PortlandDublin

PWM - DUB

PWMDUB

Portland

mié. 8/13

12:38 pm-7:50 pm

2 stops26h 12m

$379

PortlandDublin

PWM - DUB

PWMDUB

Portland

vie. 8/15

2:19 pm-8:20 am

1 stop13h 01m

$383

PortlandDublin

PWM - DUB

PWMDUB

Portland

dom. 8/10

1:07 pm-10:00 am

2 stops15h 53m

$413

PortlandDublin

PWM - DUB

PWMDUB

Portland

sáb. 8/16

6:00 am-7:45 am

2 stops44h 45m

$425

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 11 results
1
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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 $929). 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 julio 3, 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.

How much does it cost to fly round-trip from Portland, Maine to Dublin?

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 julio 3, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and United Airlines 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.
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,367 reviews
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
JetBlue
7.3
Good
2,916 reviews
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 ($504), Air Canada ($511), and JetBlue ($538) offers the cheapest pricing from Portland, Maine to Dublin. United Airlines is currently priced 33% 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 JetBlue, with whom users have recently found tickets for as low as $383. However, be on the lookout for offers from KLM and Air Canada, 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 $929). 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 julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$471Average$805FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$556Average$628FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$575Average$710FlexibilityNo cancel feeOn-time69%

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