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Cheap flights from Ireland to Portland from €311

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 28/5. 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

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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.
Multiple Airlines Logo
06:35 - 09:10
DUB
-
PDX
34h 35m
3 stops
Multiple Airlines Logo
15:30 - 23:20
PDX
-
DUB
23h 50m
3 stops
€562Multiple Airlines
Mon, 13 Apr - Mon, 27 Apr
Multiple Airlines Logo
07:55 - 18:00
DUB
-
PDX
18h 05m
2 stops
Multiple Airlines Logo
15:30 - 19:20
PDX
-
DUB
19h 50m
2 stops
€567Multiple Airlines
Mon, 13 Apr - Mon, 27 Apr
Multiple Airlines Logo
07:55 - 18:00
DUB
-
PDX
18h 05m
2 stops
Multiple Airlines Logo
15:30 - 19:20
PDX
-
DUB
19h 50m
2 stops
€570Multiple Airlines
Mon, 13 Apr - Mon, 27 Apr
Multiple Airlines Logo
07:55 - 18:00
DUB
-
PDX
18h 05m
2 stops
Multiple Airlines Logo
15:30 - 19:20
PDX
-
DUB
19h 50m
2 stops
€601Multiple Airlines
Mon, 13 Apr - Mon, 27 Apr
JetBlue Logo
10:40 - 13:07
DUB
-
PDX
34h 27m
1 stop
JetBlue Logo
23:18 - 08:20
PDX
-
DUB
25h 02m
1 stop
€635JetBlue
Fri, 29 May - Fri, 12 Jun
Icelandair Logo
14:15 - 18:00
DUB
-
PDX
11h 45m
1 stop
Icelandair Logo
15:30 - 13:15
PDX
-
DUB
13h 45m
1 stop
€654Icelandair
Mon, 13 Apr - Mon, 27 Apr
United Airlines Logo
12:30 - 23:55
SNN
-
PDX
19h 25m
2 stops
United Airlines Logo
05:00 - 10:15
PDX
-
SNN
21h 15m
2 stops
€811United Airlines
Thu, 7 May - Mon, 11 May
United Airlines Logo
12:30 - 22:54
SNN
-
PDX
18h 24m
2 stops
United Airlines Logo
23:59 - 10:15
PDX
-
SNN
26h 16m
2 stops
€813United Airlines
Thu, 7 May - Mon, 11 May
British Airways Logo
07:30 - 00:15
SNN
-
PDX
24h 45m
2 stops
British Airways Logo
06:22 - 11:20
PDX
-
SNN
20h 58m
2 stops
€836British Airways
Wed, 1 Apr - Fri, 8 May
British Airways Logo
07:30 - 23:09
SNN
-
PDX
23h 39m
2 stops
British Airways Logo
06:22 - 11:20
PDX
-
SNN
20h 58m
2 stops
€842British Airways
Wed, 1 Apr - Fri, 8 May

Icelandair flights from Ireland to Portland

Our best Icelandair deals on Ireland to Portland flight tickets
Icelandair
15 Mar
DUB11:30Dublin
13h 30m
1 stop
PDX18:00Portland
28 Mar
PDX15:45Portland
11h 20m
1 stop
DUB10:05Dublin
€641
Icelandair
13 Apr
DUB14:15Dublin
11h 45m
1 stop
PDX18:00Portland
27 Apr
PDX15:30Portland
13h 45m
1 stop
DUB13:15Dublin
€654
Icelandair
6 Apr
DUB14:15Dublin
11h 45m
1 stop
PDX18:00Portland
13 Apr
PDX15:30Portland
13h 45m
1 stop
DUB13:15Dublin
€755

British Airways flights from Ireland to Portland

Our best British Airways deals on Ireland to Portland flight tickets
British Airways
22 Apr
DUB15:25Dublin
34h 15m
1 stop
PDX17:40Portland
26 Apr
PDX19:30Portland
28h 15m
1 stop
DUB07:45Dublin
€711
British Airways
22 Apr
DUB20:30Dublin
29h 10m
1 stop
PDX17:40Portland
26 Apr
PDX19:30Portland
28h 15m
1 stop
DUB07:45Dublin
€738
British Airways
22 Apr
DUB15:25Dublin
34h 15m
1 stop
PDX17:40Portland
26 Apr
PDX19:30Portland
28h 15m
1 stop
DUB07:45Dublin
€740

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 12 March 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

Mon 13/4

06:35-09:10

3 stops34h 35m

Portland

Mon 27/4

15:30-23:20

3 stops23h 50m

€562

DublinPortland

DUB - PDX

DUBPDX

Dublin

Mon 13/4

07:55-18:00

2 stops18h 05m

Portland

Mon 27/4

15:30-19:20

2 stops19h 50m

€567

DublinPortland

DUB - PDX

DUBPDX

Dublin

Mon 13/4

07:55-18:00

2 stops18h 05m

Portland

Mon 27/4

15:30-19:20

2 stops19h 50m

€570

DublinPortland

DUB - PDX

DUBPDX

Dublin

Mon 13/4

07:55-18:00

2 stops18h 05m

Portland

Mon 27/4

15:30-19:20

2 stops19h 50m

€601

DublinPortland

DUB - PDX

DUBPDX

Dublin

Fri 29/5

10:40-13:07

1 stop34h 27m

Portland

Fri 12/6

23:18-08:20

1 stop25h 02m

€635
Fastest return journey

DublinPortland

DUB - PDX

DUBPDX

Dublin

Mon 13/4

14:15-18:00

1 stop11h 45m

Portland

Mon 27/4

15:30-13:15

1 stop13h 45m

€654

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Thu 7/5

12:30-23:55

2 stops19h 25m

Portland

Mon 11/5

05:00-10:15

2 stops21h 15m

€811

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Thu 7/5

12:30-22:54

2 stops18h 24m

Portland

Mon 11/5

23:59-10:15

2 stops26h 16m

€813

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Wed 1/4

07:30-00:15

2 stops24h 45m

Portland

Fri 8/5

06:22-11:20

2 stops20h 58m

€836

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Wed 1/4

07:30-23:09

2 stops23h 39m

Portland

Fri 8/5

06:22-11:20

2 stops20h 58m

€842

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 February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of €698.

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

16h 53m

Direct flights

None
The fastest flight from Ireland to Portland takes 16h 53m
There are no direct flights from Ireland to Portland. There are no popular flight routes from Ireland to Portland.
Search flight deals

  • 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 €695Free CancellationRating
7.8
1,470 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.

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