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Cheap flights from Ireland to Portland from $428

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 10/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ireland to Portland

Recent round-trip flight deals from Ireland to Portland

Icelandair Logo
11:30 am - 5:00 pmDUB-PDX
13h 30m1 stop
Icelandair Logo
2:45 pm - 10:15 amPDX-DUB
11h 30m1 stop
$725Icelandair
Find Deal
Sun, Nov 2 - Mon, Nov 17
Multiple Airlines Logo
7:05 pm - 6:00 pmDUB-PDX
29h 55m3 stops
Multiple Airlines Logo
2:45 pm - 7:15 pmPDX-DUB
20h 30m2 stops
$736Multiple Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
American Airlines Logo
11:30 am - 11:26 pmDUB-PDX
19h 56m2 stops
American Airlines Logo
5:45 pm - 4:50 pmPDX-DUB
15h 05m1 stop
$777American Airlines
Find Deal
Sat, Nov 8 - Sun, Nov 23
Delta Logo
5:55 am - 12:25 pmDUB-PDX
13h 30m1 stop
Delta Logo
6:00 am - 3:45 pmPDX-DUB
25h 45m2 stops
$778Delta
Find Deal
Sun, Nov 2 - Mon, Nov 17
Delta Logo
5:55 am - 11:20 amDUB-PDX
13h 25m1 stop
Delta Logo
11:10 am - 3:00 pmPDX-DUB
19h 50m2 stops
$782Delta
Find Deal
Mon, Oct 13 - Mon, Oct 20
KLM Logo
5:15 pm - 12:25 pmDUB-PDX
26h 10m1 stop
KLM Logo
6:20 am - 7:45 amPDX-DUB
17h 25m1 stop
$783KLM
Find Deal
Thu, Oct 30 - Thu, Nov 6
American Airlines Logo
11:30 am - 12:50 amDUB-PDX
21h 20m2 stops
American Airlines Logo
5:45 pm - 5:05 pmPDX-DUB
15h 20m1 stop
$801American Airlines
Find Deal
Thu, Nov 20 - Mon, Nov 24
British Airways Logo
8:40 pm - 3:55 pmDUB-PDX
27h 15m1 stop
British Airways Logo
5:45 pm - 5:05 pmPDX-DUB
15h 20m1 stop
$819British Airways
Find Deal
Sun, Nov 2 - Mon, Nov 17
KLM Logo
6:00 am - 11:00 amORK-PDX
13h 00m1 stop
KLM Logo
12:55 pm - 4:35 pmPDX-ORK
19h 40m1 stop
$847KLM
Find Deal
Sun, Sep 28 - Sun, Oct 5
British Airways Logo
5:30 pm - 3:55 pmSNN-PDX
30h 25m1 stop
British Airways Logo
5:45 pm - 11:30 amPDX-SNN
33h 45m1 stop
$934British Airways
Find Deal
Thu, Nov 27 - Mon, Dec 1

Delta flights from Ireland to Portland

Our best Delta deals on Ireland to Portland flight tickets
Delta
Nov 2
DUB5:55 amDublin
13h 30m
1 stop
PDX12:25 pmPortland
Nov 17
PDX6:00 amPortland
25h 45m
2 stops
DUB3:45 pmDublin
$778
Find similar
Delta
Oct 13
DUB5:55 amDublin
13h 25m
1 stop
PDX11:20 amPortland
Oct 20
PDX11:10 amPortland
19h 50m
2 stops
DUB3:00 pmDublin
$782
Find similar
Delta
Oct 12
DUB5:55 amDublin
13h 05m
1 stop
PDX11:00 amPortland
Oct 19
PDX7:12 amPortland
18h 03m
1 stop
DUB9:15 amDublin
$785
Find similar

Lufthansa flights from Ireland to Portland

Our best Lufthansa deals on Ireland to Portland flight tickets
Lufthansa
Nov 20
DUB10:40 amDublin
16h 00m
1 stop
PDX6:40 pmPortland
Nov 24
PDX10:52 amPortland
13h 18m
1 stop
DUB8:10 amDublin
$832
Find similar
Lufthansa
Nov 2
DUB5:10 amDublin
23h 28m
2 stops
PDX9:38 pmPortland
Nov 17
PDX10:52 amPortland
13h 18m
1 stop
DUB8:10 amDublin
$873
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated September 16, 2025.
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

DublinPortland

DUB - PDX

DUBPDX

Dublin

Sun 11/2

11:30 am-5:00 pm

1 stop13h 30m

Portland

Mon 11/17

2:45 pm-10:15 am

1 stop11h 30m

$725

DublinPortland

DUB - PDX

DUBPDX

Dublin

Thu 10/30

7:05 pm-6:00 pm

3 stops29h 55m

Portland

Thu 11/6

2:45 pm-7:15 pm

2 stops20h 30m

$736

DublinPortland

DUB - PDX

DUBPDX

Dublin

Sat 11/8

11:30 am-11:26 pm

2 stops19h 56m

Portland

Sun 11/23

5:45 pm-4:50 pm

1 stop15h 05m

$777

DublinPortland

DUB - PDX

DUBPDX

Dublin

Sun 11/2

5:55 am-12:25 pm

1 stop13h 30m

Portland

Mon 11/17

6:00 am-3:45 pm

2 stops25h 45m

$778

DublinPortland

DUB - PDX

DUBPDX

Dublin

Mon 10/13

5:55 am-11:20 am

1 stop13h 25m

Portland

Mon 10/20

11:10 am-3:00 pm

2 stops19h 50m

$782

DublinPortland

DUB - PDX

DUBPDX

Dublin

Thu 10/30

5:15 pm-12:25 pm

1 stop26h 10m

Portland

Thu 11/6

6:20 am-7:45 am

1 stop17h 25m

$783

DublinPortland

DUB - PDX

DUBPDX

Dublin

Thu 11/20

11:30 am-12:50 am

2 stops21h 20m

Portland

Mon 11/24

5:45 pm-5:05 pm

1 stop15h 20m

$801

DublinPortland

DUB - PDX

DUBPDX

Dublin

Sun 11/2

8:40 pm-3:55 pm

1 stop27h 15m

Portland

Mon 11/17

5:45 pm-5:05 pm

1 stop15h 20m

$819

CorkPortland

ORK - PDX

ORKPDX

Cork

Sun 9/28

6:00 am-11:00 am

1 stop13h 00m

Portland

Sun 10/5

12:55 pm-4:35 pm

1 stop19h 40m

$847

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Thu 11/27

5:30 pm-3:55 pm

1 stop30h 25m

Portland

Mon 12/1

5:45 pm-11:30 am

1 stop33h 45m

$934

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 day to depart on your flight to Portland?

The cheapest day to depart on your flight to Portland is on a Tuesday when prices can be found for as low as $737. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Sunday, with ticket prices averaging around $975.

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

The cheapest time of day to fly to Portland is in the morning when flights can be purchased for as low as $806. In the afternoon is when there is more demand to fly to Portland, so prices are often more expensive at around $1,014 per ticket.

Can stopping save me money on Ireland to Portland flights?

You could potentially save up to 10% on your flight if you consider stops on a Ireland to Portland flight.

Cheap Ireland to Portland flight deals and tips

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

Direct flights

None
There are no direct flights from Ireland to Portland. There are no popular flight routes from Ireland to Portland.
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  • When did momondo last update prices for flights from Ireland to Portland Airport?

    Prices for flights from Ireland to Portland Airport were last updated today.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Portland Airport.

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

    The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Cannon Beach
Vancouver
Salem
Astoria
Long Beach
Depoe Bay
Rockaway Beach
Beaverton
Hillsboro
Hood River
Gresham
McMinnville
Longview
Tigard
The Dalles
Pacific City
Tillamook
Manzanita

Why use momondo?

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

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

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?

momondo provides multiple filters to help you find the best flight to Portland from Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Ireland to Portland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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