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

Airlines like Delta and United Airlines fly from Dublin to Portland, Maine in about 10h 50m. The time it takes to get you to your destination can typically vary by up to 20h 20m. There are 2901 mi between Dublin and Portland, Maine. Both multi-stop and direct flights can be found to your destination and back.

In terms of precipitation, rainfall in Portland, Maine ranges from 73.0 - 115.0 inches per month. November is typically the wettest month, when rainfall can reach 115.0 mm. August is typically the driest time to visit Portland, Maine when rainfall is around 73.0 mm.

If weather is an important factor for your trip to Portland, Maine, 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 20.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Dublin to Portland, Maine as you normally would.

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

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

How can I find direct flights from Dublin to Portland?

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

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

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

£550+ Cheap Flights from Dublin to Portland, Maine

Cheap flight deals from Dublin to Portland

Enter your travel dates to find the best prices.

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Cheapest flights from Dublin to Portland
Explore the most affordable flight options available from Dublin to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 October 2026.

Mon 2/1113:25 -

2 stops31h 10m

Sun 8/1106:03 -

1 stop21h 42m

Deal found 20/10£550

Wed 4/1105:45 -

2 stops23h 25m

Sun 8/1114:09 -

1 stop12h 36m

Deal found 19/10£551

Sun 1/1113:35 -

2 stops15h 24m

Sat 7/1109:46 -

2 stops16h 44m

Deal found 18/10£558

Thu 5/1109:00 -

2 stops19h 21m

Mon 9/1115:41 -

2 stops13h 39m

Deal found 20/10£563

Sun 6/1209:00 -

2 stops29h 05m

Sun 13/1209:51 -

1 stop17h 19m

Deal found 22/10£564

Mon 2/1109:30 -

1 stop14h 19m

Sun 8/1108:49 -

1 stop17h 41m

Deal found 20/10£565

Find flight deals from Dublin to Portland

Round-trip from	£550

Delta
2/11-8/11
3 total stops
52h 52m total
Dublin to Portland

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Fly from

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Route

Depart

Return

Price

Cheapest return flight

DublinPortland

DUB Dublin - PWM Portland

DUBPWM

Dublin

Mon 2/11

13:25-15:35

2 stops31h 10m

Portland

Sun 8/11

06:03-08:45

1 stop21h 42m

£550

DublinPortland

DUB Dublin - PWM Portland

DUBPWM

Dublin

Thu 3/12

13:25-15:20

2 stops30h 55m

Portland

Thu 10/12

16:00-08:45

1 stop11h 45m

£551

DublinPortland

DUB Dublin - PWM Portland

DUBPWM

Dublin

Thu 3/12

08:50-00:21

2 stops20h 31m

Portland

Thu 10/12

12:49-09:45

2 stops15h 56m

£552

Fastest return journey

DublinPortland

DUB Dublin - PWM Portland

DUBPWM

Dublin

Wed 2/12

13:35-19:25

1 stop10h 50m

Portland

Wed 9/12

15:20-09:55

1 stop13h 35m

£558

DublinPortland

DUB Dublin - PWM Portland

DUBPWM

Dublin

Wed 4/11

12:05-19:02

1 stop11h 57m

Portland

Sun 8/11

09:46-10:20

1 stop19h 34m

£558

DublinPortland

DUB Dublin - PWM Portland

DUBPWM

Dublin

Sun 1/11

10:40-21:51

1 stop16h 11m

Portland

Sat 7/11

14:05-10:20

1 stop15h 15m

£558

DublinPortland

DUB Dublin - PWM Portland

DUBPWM

Dublin

Thu 5/11

09:00-23:21

2 stops19h 21m

Portland

Mon 9/11

15:41-10:20

2 stops13h 39m

£563

DublinPortland

DUB Dublin - PWM Portland

DUBPWM

Dublin

Sun 6/12

09:00-23:24

2 stops19h 24m

Portland

Sun 13/12

09:51-09:55

2 stops19h 04m

£564

Flights are sorted by cheapest return flights first.

Deals found on 20/10

Sorted by cheapest first

Best time to book a flight from Dublin to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Dublin with our price prediction graph.

DUB-PWM

Estimated return 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.

Related info for your journey

How long is the flight from Dublin to Portland, Maine?
Airlines like Delta and United Airlines fly from Dublin to Portland, Maine in about 10h 50m. The time it takes to get you to your destination can typically vary by up to 20h 20m. There are 2901 mi between Dublin and Portland, Maine. Both multi-stop and direct flights can be found to your destination and back.
Can I find deals for flights from Dublin to Portland that include hotel bookings?
Yes. In addition to deals on Dublin to Portland flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Dublin to Portland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to Portland.
Can I find deals for business class flights from Dublin to Portland?
Yes. Cheapflights offers flight deals from Dublin to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Deals for Dublin to Portland flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Dublin to Portland?

Cheapflights simply makes it quick and affordable to book flights from Dublin to Portland by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Dublin to Portland with no change fees?

Yes, we can. To see specific flights from Dublin to Portland with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Dublin to Portland become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from Dublin to Portland, Maine from £550

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Dublin to Portland

Cheapest flights from Dublin to PortlandExplore the most affordable flight options available from Dublin to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 October 2026.

Explore the most affordable flight options available from Dublin to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 October 2026.

Best flights from Dublin to PortlandDiscover carefully curated flight deals from Dublin to Portland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 October 2026.

Discover carefully curated flight deals from Dublin to Portland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 October 2026.

Last-minute flights from Dublin to PortlandDiscover last-minute flight deals from Dublin to Portland. Data last updated 22 October 2026 and is based on user searches.

Discover last-minute flight deals from Dublin to Portland. Data last updated 22 October 2026 and is based on user searches.

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Best time to book a flight from Dublin to Portland

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Related info for your journey

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

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

How can I find direct flights from Dublin to Portland?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Dublin to Portland

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Portland by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

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Search flights from Dublin to Portland by cabin class

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Dublin and Portland flights

Browse other Dublin and Portland flight options. Last updated on 22 October 2026.

Other flights from Dublin

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How does Cheapflights help users find flights from Dublin to Portland?

Why should you use Cheapflights to find cheap flight tickets from Dublin to Portland?

Can Cheapflights find flights from Dublin to Portland with no change fees?

Can Cheapflights notify me if prices for flights from Dublin to Portland become cheaper?

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Cheapest flights from Dublin to Portland
Explore the most affordable flight options available from Dublin to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 October 2026.

Best flights from Dublin to Portland
Discover carefully curated flight deals from Dublin to Portland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 October 2026.

Last-minute flights from Dublin to Portland
Discover last-minute flight deals from Dublin to Portland. Data last updated 22 October 2026 and is based on user searches.