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 13h 35m on average, while flying from Cork to Portland is 13h 25m on average. Portland is the most popular airport in Portland.

€337 Cheap Flights to Portland in 2025/26

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Find the cheapest flights from Ireland to Portland

Round-trip

One-way

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Cheap return flights

Enter your travel dates to find the best prices.

05:00 - 18:30

DUB

PDX

21h 30m2 stops

07:00 - 08:10

PDX

DUB

17h 10m1 stop

€680Lufthansa

Thu, 15 Jan - Wed, 28 Jan

10:40 - 22:25

DUB

PDX

19h 45m1 stop

23:40 - 08:20

PDX

DUB

24h 40m1 stop

€694JetBlue

Mon, 4 May - Thu, 14 May

09:00 - 09:15

DUB

PDX

32h 15m2 stops

19:00 - 07:10

PDX

DUB

28h 10m2 stops

€706Air Canada

Sat, 24 Jan - Sat, 31 Jan

05:10 - 18:30

DUB

PDX

21h 20m2 stops

07:00 - 08:10

PDX

DUB

17h 10m1 stop

€707Lufthansa

Fri, 23 Jan - Sun, 8 Feb

10:20 - 15:55

DUB

PDX

13h 35m1 stop

17:45 - 15:40

PDX

DUB

13h 55m1 stop

€707British Airways

Wed, 14 Jan - Wed, 21 Jan

10:20 - 15:55

DUB

PDX

13h 35m1 stop

17:45 - 15:05

PDX

DUB

13h 20m1 stop

€708British Airways

Wed, 18 Feb - Sun, 22 Feb

05:55 - 20:43

DUB

PDX

22h 48m2 stops

07:05 - 08:45

PDX

DUB

17h 40m1 stop

€709Multiple Airlines

Sat, 24 Jan - Sat, 31 Jan

05:00 - 18:30

DUB

PDX

21h 30m2 stops

09:50 - 11:10

PDX

DUB

17h 20m2 stops

€711Multiple Airlines

Thu, 22 Jan - Thu, 5 Feb

06:00 - 11:25

ORK

PDX

13h 25m1 stop

13:25 - 23:25

PDX

ORK

26h 00m1 stop

€731KLM

Fri, 6 Feb - Fri, 20 Feb

11:55 - 09:15

ORK

PDX

29h 20m3 stops

09:50 - 15:25

PDX

ORK

21h 35m3 stops

€870Air Canada

Sat, 24 Jan - Sat, 31 Jan

Fly from

Route

Depart

Return

Price

DublinPortland

DUB - PDX

DUBPDX

Dublin

Thu 15/1

05:00-18:30

2 stops21h 30m

Portland

Wed 28/1

07:00-08:10

1 stop17h 10m

€680

DublinPortland

DUB - PDX

DUBPDX

Dublin

Mon 4/5

10:40-22:25

1 stop19h 45m

Portland

Thu 14/5

23:40-08:20

1 stop24h 40m

€694

DublinPortland

DUB - PDX

DUBPDX

Dublin

Sat 24/1

09:00-09:15

2 stops32h 15m

Portland

Sat 31/1

19:00-07:10

2 stops28h 10m

€706

DublinPortland

DUB - PDX

DUBPDX

Dublin

Fri 23/1

05:10-18:30

2 stops21h 20m

Portland

Sun 8/2

07:00-08:10

1 stop17h 10m

€707

DublinPortland

DUB - PDX

DUBPDX

Dublin

Wed 14/1

10:20-15:55

1 stop13h 35m

Portland

Wed 21/1

17:45-15:40

1 stop13h 55m

€707

DublinPortland

DUB - PDX

DUBPDX

Dublin

Wed 18/2

10:20-15:55

1 stop13h 35m

Portland

Sun 22/2

17:45-15:05

1 stop13h 20m

€708

DublinPortland

DUB - PDX

DUBPDX

Dublin

Sat 24/1

05:55-20:43

2 stops22h 48m

Portland

Sat 31/1

07:05-08:45

1 stop17h 40m

€709

DublinPortland

DUB - PDX

DUBPDX

Dublin

Thu 22/1

05:00-18:30

2 stops21h 30m

Portland

Thu 5/2

09:50-11:10

2 stops17h 20m

€711

CorkPortland

ORK - PDX

ORKPDX

Cork

Fri 6/2

06:00-11:25

1 stop13h 25m

Portland

Fri 20/2

13:25-23:25

1 stop26h 00m

€731

CorkPortland

ORK - PDX

ORKPDX

Cork

Sat 24/1

11:55-09:15

3 stops29h 20m

Portland

Sat 31/1

09:50-15:25

3 stops21h 35m

€870

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 month to fly to Portland?

If you aren’t able to travel to Portland during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of €691.

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 €633. 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 €686. Try not to purchase tickets in the afternoon because they tend to be around €812. 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	January	14% cheaper	Flying from Dublin to Portland costs on average just €646 in January
MOST EXPENSIVE MONTH TO FLY TO PORTLAND FROM DUBLIN	June	29% more expensive	It costs about €968 for flights to Portland from Dublin in June
MOST POPULAR MONTH TO FLY TO PORTLAND FROM DUBLIN	December	566% more users visited	More momondo users searched in flights to Portland from Dublin in December than any other month

Cheap Portland flight deals and tips

Summary info about Portland flight prices, duration and airlines

Best One-Way Price	€337
Best Round-Trip Price	€680
Fastest flight time	17h 31m
Popular in	June

The best one-way flight price to Portland from Ireland in the last 72 hours is €337 (Dublin to Portland).

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The best round-trip flight price to Portland from Ireland in the last 72 hours is €680 (Dublin to Portland).

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The fastest flight to Portland from Ireland takes 17h 31m (Dublin to Portland).

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June has the highest demand for flights to Portland, with a 10% price increase on average.

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Frequently asked questions about flying to Portland

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 December 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.