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Cheap flights from Portland to Dublin from €246

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 Dublin departing on 21/8. 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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0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
19:05 - 11:05
PDX
-
DUB
32h 00m
1 stop
Icelandair Logo
12:15 - 17:55
DUB
-
PDX
13h 40m
1 stop
€513Icelandair
Fri, 4 Sep - Wed, 9 Sep
Icelandair Logo
15:30 - 11:05
PDX
-
DUB
11h 35m
1 stop
Icelandair Logo
14:15 - 17:55
DUB
-
PDX
11h 40m
1 stop
€545Icelandair
Thu, 17 Sep - Tue, 29 Sep
Icelandair Logo
15:30 - 13:15
PDX
-
DUB
13h 45m
1 stop
Icelandair Logo
11:30 - 17:00
DUB
-
PDX
13h 30m
1 stop
€581Icelandair
Mon, 28 Sep - Wed, 18 Nov
Icelandair Logo
15:30 - 13:15
PDX
-
DUB
13h 45m
1 stop
Icelandair Logo
11:30 - 17:00
DUB
-
PDX
13h 30m
1 stop
€582Icelandair
Mon, 28 Sep - Fri, 20 Nov
Icelandair Logo
15:30 - 13:15
PDX
-
DUB
13h 45m
1 stop
Icelandair Logo
12:15 - 17:55
DUB
-
PDX
13h 40m
1 stop
€590Icelandair
Wed, 23 Sep - Wed, 30 Sep
Icelandair Logo
15:30 - 13:15
PDX
-
DUB
13h 45m
1 stop
Icelandair Logo
12:15 - 17:55
DUB
-
PDX
13h 40m
1 stop
€605Icelandair
Wed, 23 Sep - Wed, 30 Sep
Icelandair Logo
15:30 - 11:05
PDX
-
DUB
11h 35m
1 stop
Icelandair Logo
12:15 - 11:45
DUB
-
PDX
31h 30m
1 stop
€609Icelandair
Sat, 1 Aug - Fri, 14 Aug
Multiple Airlines Logo
10:10 - 07:45
PDX
-
DUB
13h 35m
1 stop
Multiple Airlines Logo
06:00 - 19:06
DUB
-
PDX
21h 06m
2 stops
€611Multiple Airlines
Tue, 29 Sep - Tue, 13 Oct
Icelandair Logo
19:05 - 13:15
PDX
-
DUB
34h 10m
1 stop
Icelandair Logo
12:15 - 17:55
DUB
-
PDX
13h 40m
1 stop
€613Icelandair
Sun, 2 Aug - Wed, 12 Aug
Icelandair Logo
19:05 - 13:15
PDX
-
DUB
34h 10m
1 stop
Icelandair Logo
12:15 - 17:55
DUB
-
PDX
13h 40m
1 stop
€614Icelandair
Sun, 2 Aug - Wed, 12 Aug

Icelandair flights from Portland to Dublin

Our best Icelandair deals on Portland to Dublin flight tickets
Icelandair
4 Sept
PDX19:05Portland
32h 00m
1 stop
DUB11:05Dublin
9 Sept
DUB12:15Dublin
13h 40m
1 stop
PDX17:55Portland
€513
Icelandair
17 Sept
PDX15:30Portland
11h 35m
1 stop
DUB11:05Dublin
29 Sept
DUB14:15Dublin
11h 40m
1 stop
PDX17:55Portland
€545
Icelandair
28 Sept
PDX15:30Portland
13h 45m
1 stop
DUB13:15Dublin
18 Nov
DUB11:30Dublin
13h 30m
1 stop
PDX17:00Portland
€581

United Airlines flights from Portland to Dublin

Our best United Airlines deals on Portland to Dublin flight tickets
United Airlines
18 Aug
PDX10:10Portland
13h 35m
1 stop
DUB07:45Dublin
25 Aug
DUB09:50Dublin
33h 45m
2 stops
PDX11:35Portland
€621
United Airlines
17 Aug
PDX14:15Portland
35h 30m
1 stop
DUB09:45Dublin
26 Aug
DUB09:50Dublin
31h 41m
1 stop
PDX09:31Portland
€623
United Airlines
17 Aug
PDX23:15Portland
26h 30m
1 stop
DUB09:45Dublin
26 Aug
DUB09:50Dublin
31h 41m
1 stop
PDX09:31Portland
€623

momondo Fare Finder

 
Customise your flight search to find flights from Portland to Dublin 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 17 April 2026.
Use the filters below to find and compare flights from Portland to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 4/9

19:05-11:05

1 stop32h 00m

Dublin

Wed 9/9

12:15-17:55

1 stop13h 40m

€513
Fastest return journey

PortlandDublin

PDX - DUB

PDXDUB

Portland

Thu 17/9

15:30-11:05

1 stop11h 35m

Dublin

Tue 29/9

14:15-17:55

1 stop11h 40m

€545

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 28/9

15:30-13:15

1 stop13h 45m

Dublin

Wed 18/11

11:30-17:00

1 stop13h 30m

€581

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 28/9

15:30-13:15

1 stop13h 45m

Dublin

Fri 20/11

11:30-17:00

1 stop13h 30m

€582

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 23/9

15:30-13:15

1 stop13h 45m

Dublin

Wed 30/9

12:15-17:55

1 stop13h 40m

€590

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 23/9

15:30-13:15

1 stop13h 45m

Dublin

Wed 30/9

12:15-17:55

1 stop13h 40m

€605

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sat 1/8

15:30-11:05

1 stop11h 35m

Dublin

Fri 14/8

12:15-11:45

1 stop31h 30m

€609

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 29/9

10:10-07:45

1 stop13h 35m

Dublin

Tue 13/10

06:00-19:06

2 stops21h 06m

€611

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 2/8

19:05-13:15

1 stop34h 10m

Dublin

Wed 12/8

12:15-17:55

1 stop13h 40m

€613

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 2/8

19:05-13:15

1 stop34h 10m

Dublin

Wed 12/8

12:15-17:55

1 stop13h 40m

€614

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Dublin from

How to get the cheapest flight ticket from Portland to Dublin

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 typical price of a round-trip flight between Portland and Dublin?

What is the cheapest month to fly to Dublin?

If you aren’t able to travel during the month of November, then book flights to Dublin from Portland during February instead. Flights to Dublin in February, while not as cheap as those in November, still average around €411.

How far in advance should I book a flight to Dublin?

You are more likely to see cheaper flights to Dublin from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €512 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Portland for as low as €460 on momondo.

How have Portland to Dublin flight prices changed over time?

When to book flights from Portland to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Dublin according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Portland to Dublin (PDX to DUB) flight deals and tips

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

Fastest flight time

11h 35m

Direct flights

None
The fastest flight from Portland to Dublin takes 11h 35m
There are no direct flights from Portland to Dublin. There are no popular flight routes from Portland to Dublin.
Search flight deals

Frequently asked questions about flying from Portland to Dublin

  • How far is Portland to Dublin by plane?

    A flight from Portland to Dublin will travel around 7475.1 km. Typically, this will take 11h 35m by plane in normal conditions.

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

    Prices for flights from Portland Airport to Dublin Airport refresh daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Dublin Airport.

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

    The necessary travel and health documents for your Dublin 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.

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Athlone
Cavan
Wicklow
Dundalk
Naas
Tullamore
Kildare
Bray
Swords
Gorey
Leixlip
Mullingar
Malahide
Maynooth
Carlingford
Castleknock
Enniscorthy
Arklow
Thurles

Why use momondo?

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

It is quick and easy to find Portland to Dublin 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 Dublin that suits you.

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

All flight searches from Portland to Dublin on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Portland and Dublin 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 Dublin right now. Can momondo alert me if prices change?

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

An easier way to manage your Dublin trip

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