How long does it take to fly to Portland?

The average flight duration from Ireland to Portland depends on which airport you fly into and out of. Flying from Dublin to Portland is 12h 50m on average, while flying from Cork to Portland is 13h 25m on average. Portland is the most popular airport in Portland.

€424 Cheap Flights to Portland in 2025/26

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Find the cheapest flights from Ireland to Portland

Round-trip

One-way

Cheap return flights

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16:30 - 21:20DUB-PDX

12h 50m1 stop

14:37 - 13:10PDX-DUB

14h 33m1 stop

€638Multiple Airlines

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Wed, 10 Dec - Wed, 17 Dec

11:30 - 17:00DUB-PDX

13h 30m1 stop

14:45 - 10:15PDX-DUB

11h 30m1 stop

€640Icelandair

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Mon, 8 Dec - Mon, 15 Dec

11:30 - 00:50DUB-PDX

21h 20m2 stops

13:26 - 17:05PDX-DUB

19h 39m2 stops

€662American Airlines

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Thu, 20 Nov - Mon, 24 Nov

13:10 - 12:57DUB-PDX

31h 47m2 stops

13:26 - 16:50PDX-DUB

19h 24m2 stops

€675American Airlines

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Wed, 12 Nov - Sun, 16 Nov

05:55 - 11:25DUB-PDX

13h 30m1 stop

07:00 - 08:45PDX-DUB

17h 45m1 stop

€686Delta

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Sun, 22 Feb - Sat, 28 Feb

05:55 - 16:30DUB-PDX

18h 35m2 stops

06:00 - 15:45PDX-DUB

25h 45m2 stops

€687Delta

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Thu, 15 Jan - Mon, 19 Jan

10:40 - 18:40DUB-PDX

16h 00m1 stop

10:52 - 08:10PDX-DUB

13h 18m1 stop

€693Lufthansa

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Wed, 12 Nov - Sun, 16 Nov

10:40 - 18:40DUB-PDX

16h 00m1 stop

07:00 - 08:10PDX-DUB

17h 10m1 stop

€709Lufthansa

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Thu, 20 Nov - Mon, 24 Nov

09:00 - 18:41DUB-PDX

17h 41m2 stops

07:00 - 09:55PDX-DUB

18h 55m3 stops

€729United Airlines

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Mon, 8 Dec - Mon, 15 Dec

12:05 - 22:59DUB-PDX

18h 54m2 stops

07:10 - 10:20PDX-DUB

19h 10m2 stops

€756United Airlines

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Thu, 18 Dec - Sun, 4 Jan

Fly from

Route

Depart

Return

Price

DublinPortland

DUB - PDX

DUBPDX

Dublin

Wed 10/12

16:30-21:20

1 stop12h 50m

Portland

Wed 17/12

14:37-13:10

1 stop14h 33m

€638

DublinPortland

DUB - PDX

DUBPDX

Dublin

Mon 8/12

11:30-17:00

1 stop13h 30m

Portland

Mon 15/12

14:45-10:15

1 stop11h 30m

€640

DublinPortland

DUB - PDX

DUBPDX

Dublin

Thu 20/11

11:30-00:50

2 stops21h 20m

Portland

Mon 24/11

13:26-17:05

2 stops19h 39m

€662

DublinPortland

DUB - PDX

DUBPDX

Dublin

Wed 12/11

13:10-12:57

2 stops31h 47m

Portland

Sun 16/11

13:26-16:50

2 stops19h 24m

€675

DublinPortland

DUB - PDX

DUBPDX

Dublin

Sun 22/2

05:55-11:25

1 stop13h 30m

Portland

Sat 28/2

07:00-08:45

1 stop17h 45m

€686

DublinPortland

DUB - PDX

DUBPDX

Dublin

Thu 15/1

05:55-16:30

2 stops18h 35m

Portland

Mon 19/1

06:00-15:45

2 stops25h 45m

€687

DublinPortland

DUB - PDX

DUBPDX

Dublin

Wed 12/11

10:40-18:40

1 stop16h 00m

Portland

Sun 16/11

10:52-08:10

1 stop13h 18m

€693

DublinPortland

DUB - PDX

DUBPDX

Dublin

Thu 20/11

10:40-18:40

1 stop16h 00m

Portland

Mon 24/11

07:00-08:10

1 stop17h 10m

€709

DublinPortland

DUB - PDX

DUBPDX

Dublin

Mon 8/12

09:00-18:41

2 stops17h 41m

Portland

Mon 15/12

07:00-09:55

3 stops18h 55m

€729

DublinPortland

DUB - PDX

DUBPDX

Dublin

Thu 18/12

12:05-22:59

2 stops18h 54m

Portland

Sun 4/1

07:10-10:20

2 stops19h 10m

€756

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Portland flights insights and trends

Explore insights for your Portland flight to craft the best travel plan

Prices

Other information

What is the cheapest day to depart on your flight to Portland?

On average, the least expensive day to fly to Portland from Ireland is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as €634. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Ireland because it is more convenient for both business and leisure travellers. As a result, prices tend to be around €802.

What is the cheapest time of day to depart on your flight to Portland?

Our most recent data shows that the best time of day to fly to Portland is in the morning. Flights from Ireland to Portland during this time can be as low as €687. Try not to purchase tickets in the afternoon because they tend to be around €813. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheapest flights to Portland

Find the cheapest flights to Portland from your nearest city or airport

Find flights from Dublin to Portland

CHEAPEST MONTH TO FLY TO PORTLAND FROM DUBLIN	March	6% cheaper	Flying from Dublin to Portland costs on average just €649 in March
MOST EXPENSIVE MONTH TO FLY TO PORTLAND FROM DUBLIN	June	37% more expensive	It costs about €949 for flights to Portland from Dublin in June
MOST POPULAR MONTH TO FLY TO PORTLAND FROM DUBLIN	November	700% more users visited	More momondo users searched in flights to Portland from Dublin in November than any other month

Cheap Portland flight deals and tips

Summary info about Portland flight prices, duration and airlines

Best One-Way Price	€424
Best Round-Trip Price	€638
Fastest flight time	13h 30m
Popular in	June

The best one-way flight price to Portland from Ireland in the last 72 hours is €424 (Dublin to Portland).

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The best round-trip flight price to Portland from Ireland in the last 72 hours is €638 (Dublin to Portland).

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The fastest flight to Portland from Ireland takes 13h 30m (Dublin to Portland).

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June has the highest demand for flights to Portland, with a 11% price increase on average.

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Frequently asked questions about flying to Portland

What is the cheapest month to fly to Portland?

If you aren’t able to travel to Portland during the month of March, then flying in April is also cheap. Prices for this month can be found on momondo for an average of €685.

When did momondo last update prices for flights to Portland Airport?

Prices for flights to Portland Airport are refreshed on a daily basis.

How many operators does momondo search for flights to Portland Airport?

As of October 2025, there is 1 operator available to choose from for flights to Portland Airport.

How old do you have to be to fly to Portland Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel to Portland Airport.

What documentation or ID do you need to fly to Portland Airport?

The travel and health documents required for your trip to Portland Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Portland Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal to Portland?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight to Portland. momondo saves you time and could save you money on your trip.

Can I find flights to Portland with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Portland with this policy.

How can momondo help me find flights to Portland?

momondo helps you find the best flight to Portland by providing filters to narrow your choice of flights to those matching your criteria. You can select fights based on numerous factors such as price, departure and landing times, airport and airline.