Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Portland to Ireland from €242

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Ireland departing on 10/10. 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
1 adult, Economy, 0 bags
Voted the Winner of Europe's Best Travel App 2023

Find the cheapest flights from Portland to Ireland

Cheap return flights

Enter your travel dates to find the best prices.
Lufthansa Logo
15:30 - 07:45
PDX
-
DUB
32h 15m
2 stops
Lufthansa Logo
06:00 - 19:06
DUB
-
PDX
21h 06m
2 stops
€644Lufthansa
Sun, 27 Sep - Thu, 8 Oct
Multiple Airlines Logo
19:10 - 07:10
PDX
-
DUB
28h 00m
2 stops
Multiple Airlines Logo
05:10 - 20:46
DUB
-
PDX
23h 36m
2 stops
€645Multiple Airlines
Tue, 3 Nov - Tue, 17 Nov
Multiple Airlines Logo
19:05 - 09:15
PDX
-
DUB
30h 10m
3 stops
Multiple Airlines Logo
10:40 - 13:50
DUB
-
PDX
35h 10m
2 stops
€646Multiple Airlines
Fri, 4 Sep - Thu, 10 Sep
Delta Logo
06:15 - 09:00
PDX
-
DUB
19h 45m
2 stops
Delta Logo
05:45 - 11:20
DUB
-
PDX
13h 35m
1 stop
€647Delta
Tue, 27 Oct - Wed, 11 Nov
Icelandair Logo
19:05 - 11:05
PDX
-
DUB
32h 00m
1 stop
Icelandair Logo
12:15 - 17:55
DUB
-
PDX
13h 40m
1 stop
€648Icelandair
Fri, 14 Aug - Fri, 28 Aug
United Airlines Logo
22:33 - 07:30
PDX
-
DUB
24h 57m
1 stop
United Airlines Logo
09:50 - 20:10
DUB
-
PDX
42h 20m
2 stops
€649United Airlines
Sat, 3 Oct - Thu, 15 Oct
Delta Logo
22:50 - 07:45
PDX
-
DUB
24h 55m
1 stop
Delta Logo
13:25 - 11:20
DUB
-
PDX
29h 55m
1 stop
€653Delta
Tue, 3 Nov - Tue, 17 Nov
KLM Logo
10:15 - 10:40
PDX
-
ORK
16h 25m
2 stops
KLM Logo
05:45 - 11:20
ORK
-
PDX
13h 35m
1 stop
€653KLM
Tue, 10 Nov - Wed, 18 Nov
KLM Logo
10:15 - 10:40
PDX
-
ORK
16h 25m
2 stops
KLM Logo
05:45 - 18:17
ORK
-
PDX
20h 32m
2 stops
€660KLM
Tue, 10 Nov - Wed, 18 Nov
United Airlines Logo
19:15 - 07:30
PDX
-
SNN
28h 15m
2 stops
United Airlines Logo
09:30 - 17:49
SNN
-
PDX
16h 19m
2 stops
€755United Airlines
Sat, 5 Sep - Sat, 19 Sep

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

WestJet flights from Portland to Ireland

Our best WestJet deals on Portland to Ireland flight tickets
WestJet
18 Aug
PDX14:30Portland
33h 50m
3 stops
DUB08:20Dublin
1 Sept
DUB12:15Dublin
33h 35m
2 stops
PDX13:50Portland
€660
WestJet
18 Aug
PDX14:30Portland
33h 50m
3 stops
DUB08:20Dublin
28 Aug
DUB10:40Dublin
35h 10m
2 stops
PDX13:50Portland
€670

United Airlines flights from Portland to Ireland

Our best United Airlines deals on Portland to Ireland flight tickets
United Airlines
3 Oct
PDX22:33Portland
24h 57m
1 stop
DUB07:30Dublin
15 Oct
DUB09:50Dublin
42h 20m
2 stops
PDX20:10Portland
€649
United Airlines
27 Oct
PDX10:00Portland
16h 55m
1 stop
DUB09:55Dublin
6 Nov
DUB12:05Dublin
16h 23m
1 stop
PDX20:28Portland
€654
United Airlines
26 Oct
PDX08:25Portland
16h 05m
2 stops
DUB07:30Dublin
5 Nov
DUB13:35Dublin
17h 32m
2 stops
PDX23:07Portland
€659

momondo Fare Finder

 
Customise your flight search to find flights from Portland to Ireland 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 29 June 2026.
Use the filters below to find and compare flights from Portland to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 27/9

15:30-07:45

2 stops32h 15m

Dublin

Thu 8/10

06:00-19:06

2 stops21h 06m

€644

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 3/11

19:10-07:10

2 stops28h 00m

Dublin

Tue 17/11

05:10-20:46

2 stops23h 36m

€645

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 4/9

19:05-09:15

3 stops30h 10m

Dublin

Thu 10/9

10:40-13:50

2 stops35h 10m

€646

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 27/10

06:15-09:00

2 stops19h 45m

Dublin

Wed 11/11

05:45-11:20

1 stop13h 35m

€647

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 14/8

19:05-11:05

1 stop32h 00m

Dublin

Fri 28/8

12:15-17:55

1 stop13h 40m

€648

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sat 3/10

22:33-07:30

1 stop24h 57m

Dublin

Thu 15/10

09:50-20:10

2 stops42h 20m

€649

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 3/11

22:50-07:45

1 stop24h 55m

Dublin

Tue 17/11

13:25-11:20

1 stop29h 55m

€653
Fastest return journey

PortlandCork

PDX - ORK

PDXORK

Portland

Tue 10/11

10:15-10:40

2 stops16h 25m

Cork

Wed 18/11

05:45-11:20

1 stop13h 35m

€653

PortlandCork

PDX - ORK

PDXORK

Portland

Tue 10/11

10:15-10:40

2 stops16h 25m

Cork

Wed 18/11

05:45-18:17

2 stops20h 32m

€660

PortlandShannon

PDX - SNN

PDXSNN

Portland

Sat 5/9

19:15-07:30

2 stops28h 15m

Shannon

Sat 19/9

09:30-17:49

2 stops16h 19m

€755

Flights are sorted by cheapest return flights first.

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

See travel insights to Ireland from

How to get the cheapest flight ticket from Portland to Ireland

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 Ireland?

The month of November is another great option to travel to Ireland, with average flight prices from Portland averaging around €293.

How far in advance should I book a flight from Portland to Ireland?

You are more likely to see cheaper flights to Ireland from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around €563 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Portland for as low as €519 on momondo.

Cheap Portland to Ireland flight deals and tips

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

Fastest flight time

11h 30m

Direct flights

None
The fastest flight from Portland to Ireland takes 11h 30m
There are no direct flights from Portland to Ireland. There are no popular flight routes from Portland to Ireland.
Search flight deals

Frequently asked questions about flying from Portland to Ireland

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

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

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

    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 from Portland Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The necessary travel and health documents for your Ireland 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.

Why use momondo?

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

It is quick and easy to find Portland to Ireland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ireland that suits you.

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

momondo does allow users to show only those flights to Ireland from Portland which offer a flexible booking policy as well as other useful filters and features.

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

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

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

If you are simply researching potential flights to Ireland, momondo offers a useful price alert feature which will track prices for flights to Ireland from Portland and alert you when they change.

An easier way to manage your Ireland 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
Wed 29/7
Wed 5/8
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland

Popular Cities in Ireland

Popular flights according to clicks in the last 7 days on momondo
Flights to Dublinfrom €40
Flights to Corkfrom €85
Flights to Shannon, Clarefrom €89
Flights to Milltown (Kerry)from €36
Flights to Donegalfrom €85