Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Ireland to Portland from €320

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Portland departing on 8/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Ireland to Portland

Recent return flight deals from Ireland to Portland

Enter your travel dates to find the best prices.
WestJet Logo
10:40 - 13:50
DUB
-
PDX
35h 10m
2 stops
WestJet Logo
14:30 - 10:50
PDX
-
DUB
12h 20m
1 stop
€625WestJet
Thu, 18 Jun - Tue, 30 Jun
JetBlue Logo
10:40 - 13:05
DUB
-
PDX
34h 25m
1 stop
JetBlue Logo
23:29 - 08:20
PDX
-
DUB
24h 51m
1 stop
€650JetBlue
Tue, 16 Jun - Mon, 29 Jun
Multiple Airlines Logo
13:00 - 13:50
DUB
-
PDX
32h 50m
1 stop
Multiple Airlines Logo
15:30 - 13:15
PDX
-
DUB
13h 45m
1 stop
€670Multiple Airlines
Tue, 22 Sep - Wed, 30 Sep
Multiple Airlines Logo
13:00 - 13:50
DUB
-
PDX
32h 50m
1 stop
Multiple Airlines Logo
19:30 - 19:35
PDX
-
DUB
16h 05m
1 stop
€707Multiple Airlines
Tue, 15 Sep - Sun, 4 Oct
Delta Logo
05:55 - 11:10
DUB
-
PDX
13h 15m
1 stop
Delta Logo
09:30 - 15:25
PDX
-
DUB
21h 55m
2 stops
€713Delta
Thu, 11 Jun - Thu, 25 Jun
KLM Logo
13:25 - 11:10
DUB
-
PDX
29h 45m
1 stop
KLM Logo
11:46 - 07:55
PDX
-
DUB
12h 09m
1 stop
€714KLM
Thu, 11 Jun - Thu, 25 Jun
Delta Logo
05:55 - 11:10
DUB
-
PDX
13h 15m
1 stop
Delta Logo
11:55 - 10:00
PDX
-
DUB
14h 05m
1 stop
€715Delta
Tue, 9 Jun - Tue, 16 Jun
KLM Logo
17:20 - 11:10
DUB
-
PDX
25h 50m
1 stop
KLM Logo
11:46 - 07:55
PDX
-
DUB
12h 09m
1 stop
€716KLM
Thu, 11 Jun - Thu, 25 Jun
British Airways Logo
20:30 - 23:52
ORK
-
PDX
35h 22m
2 stops
British Airways Logo
19:30 - 19:50
PDX
-
ORK
16h 20m
1 stop
€897British Airways
Thu, 28 May - Mon, 1 Jun
British Airways Logo
20:30 - 21:51
ORK
-
PDX
33h 21m
2 stops
British Airways Logo
19:30 - 19:50
PDX
-
ORK
16h 20m
1 stop
€899British Airways
Thu, 28 May - Mon, 1 Jun

Finnair flights from Ireland to Portland

Our best Finnair deals on Ireland to Portland flight tickets
Finnair
21 May
DUB12:40Dublin
16h 59m
1 stop
PDX21:39Portland
3 Jun
PDX13:45Portland
14h 05m
1 stop
DUB11:50Dublin
€721
Finnair
21 May
DUB12:40Dublin
16h 59m
1 stop
PDX21:39Portland
3 Jun
PDX13:45Portland
14h 05m
1 stop
DUB11:50Dublin
€723
Finnair
23 May
DUB09:30Dublin
20h 21m
1 stop
PDX21:51Portland
7 Jun
PDX13:45Portland
14h 05m
1 stop
DUB11:50Dublin
€730

Delta flights from Ireland to Portland

Our best Delta deals on Ireland to Portland flight tickets
Delta
11 Jun
DUB05:55Dublin
13h 15m
1 stop
PDX11:10Portland
25 Jun
PDX09:30Portland
21h 55m
2 stops
DUB15:25Dublin
€713
Delta
17 May
DUB05:55Dublin
13h 15m
1 stop
PDX11:10Portland
30 May
PDX09:20Portland
22h 05m
2 stops
DUB15:25Dublin
€714
Delta
9 Jun
DUB05:55Dublin
13h 15m
1 stop
PDX11:10Portland
16 Jun
PDX11:55Portland
14h 05m
1 stop
DUB10:00Dublin
€715

momondo Fare Finder

 
Customise your flight search to find flights from Ireland to Portland 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, momondo users made 13,528 searches. Data last updated 14 May 2026.
Use the filters below to find and compare flights from Ireland to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinPortland

DUB - PDX

DUBPDX

Dublin

Thu 18/6

10:40-13:50

2 stops35h 10m

Portland

Tue 30/6

14:30-10:50

1 stop12h 20m

€625

DublinPortland

DUB - PDX

DUBPDX

Dublin

Tue 16/6

10:40-13:05

1 stop34h 25m

Portland

Mon 29/6

23:29-08:20

1 stop24h 51m

€650

DublinPortland

DUB - PDX

DUBPDX

Dublin

Tue 22/9

13:00-13:50

1 stop32h 50m

Portland

Wed 30/9

15:30-13:15

1 stop13h 45m

€670

DublinPortland

DUB - PDX

DUBPDX

Dublin

Tue 15/9

13:00-13:50

1 stop32h 50m

Portland

Sun 4/10

19:30-19:35

1 stop16h 05m

€707

DublinPortland

DUB - PDX

DUBPDX

Dublin

Thu 11/6

05:55-11:10

1 stop13h 15m

Portland

Thu 25/6

09:30-15:25

2 stops21h 55m

€713

DublinPortland

DUB - PDX

DUBPDX

Dublin

Thu 11/6

13:25-11:10

1 stop29h 45m

Portland

Thu 25/6

11:46-07:55

1 stop12h 09m

€714
Fastest return journey

DublinPortland

DUB - PDX

DUBPDX

Dublin

Tue 9/6

05:55-11:10

1 stop13h 15m

Portland

Tue 16/6

11:55-10:00

1 stop14h 05m

€715

DublinPortland

DUB - PDX

DUBPDX

Dublin

Thu 11/6

17:20-11:10

1 stop25h 50m

Portland

Thu 25/6

11:46-07:55

1 stop12h 09m

€716

CorkPortland

ORK - PDX

ORKPDX

Cork

Thu 28/5

20:30-23:52

2 stops35h 22m

Portland

Mon 1/6

19:30-19:50

1 stop16h 20m

€897

CorkPortland

ORK - PDX

ORKPDX

Cork

Thu 28/5

20:30-21:51

2 stops33h 21m

Portland

Mon 1/6

19:30-19:50

1 stop16h 20m

€899

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Portland from

How to get the cheapest flight ticket from Ireland to Portland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Portland?

If you aren’t able to travel to Portland during the month of April, then flying in June is also cheap. Prices for this month can be found on momondo for an average of €627.

Cheap Ireland to Portland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Portland

Fastest flight time

13h 15m

Direct flights

None
The fastest flight from Ireland to Portland takes 13h 15m
There are no direct flights from Ireland to Portland. There are no popular flight routes from Ireland to Portland.
Search flight deals

Frequently asked questions about flying from Ireland to Portland

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

    Prices for flights from Ireland to Portland Airport refresh daily.

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

  • How old do you have to be to fly from Ireland to Portland Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ireland to Portland Airport.

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

    The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Ireland to Portland

Compare and see reviews for airlines that fly from Ireland to Portland with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom €700Free CancellationRating
7.8
1,517 reviews
Search KLM flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ireland to Portland . Millions of users trust and use momondo every year so you are in good hands.

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

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

How can momondo help me find flights from Ireland to Portland?

Once you have performed a search for Ireland to Portland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Ireland to Portland right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ireland to Portland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Portland trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 13/6
Sat 20/6
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Fly your favourite airline to Portland

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
KLM