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Cheap flights from Portland to Dublin from €219

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 29/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from Portland to Dublin

Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
19:45 - 07:45
PDX
-
DUB
28h 00m
2 stops
Air Canada Logo
09:20 - 19:11
DUB
-
PDX
17h 51m
2 stops
€669Air Canada
Tue, 22 Sep - Wed, 30 Sep
Multiple Airlines Logo
15:30 - 05:10
PDX
-
DUB
29h 40m
3 stops
Multiple Airlines Logo
13:20 - 09:31
DUB
-
PDX
28h 11m
3 stops
€670Multiple Airlines
Tue, 29 Sep - Fri, 9 Oct
United Airlines Logo
22:40 - 09:45
PDX
-
DUB
27h 05m
1 stop
United Airlines Logo
09:50 - 09:31
DUB
-
PDX
31h 41m
1 stop
€671United Airlines
Mon, 10 Aug - Wed, 19 Aug
United Airlines Logo
23:09 - 07:30
PDX
-
DUB
24h 21m
1 stop
United Airlines Logo
09:50 - 09:31
DUB
-
PDX
31h 41m
1 stop
€672United Airlines
Tue, 1 Sep - Fri, 11 Sep
Air Canada Logo
19:45 - 08:15
PDX
-
DUB
28h 30m
2 stops
Air Canada Logo
09:20 - 19:06
DUB
-
PDX
17h 46m
2 stops
€673Air Canada
Tue, 29 Sep - Fri, 9 Oct
Delta Logo
07:00 - 08:20
PDX
-
DUB
17h 20m
2 stops
Delta Logo
05:55 - 11:10
DUB
-
PDX
13h 15m
1 stop
€674Delta
Sun, 27 Sep - Thu, 8 Oct
Delta Logo
07:00 - 08:20
PDX
-
DUB
17h 20m
2 stops
Delta Logo
05:55 - 11:10
DUB
-
PDX
13h 15m
1 stop
€675Delta
Sun, 27 Sep - Thu, 8 Oct
Multiple Airlines Logo
10:10 - 07:45
PDX
-
DUB
13h 35m
1 stop
Multiple Airlines Logo
13:00 - 22:23
DUB
-
PDX
41h 23m
2 stops
€676Multiple Airlines
Tue, 22 Sep - Mon, 5 Oct
United Airlines Logo
05:00 - 10:40
PDX
-
DUB
21h 40m
2 stops
United Airlines Logo
09:50 - 22:03
DUB
-
PDX
44h 13m
2 stops
€676United Airlines
Mon, 10 Aug - Thu, 20 Aug
Multiple Airlines Logo
15:30 - 07:45
PDX
-
DUB
32h 15m
2 stops
Multiple Airlines Logo
18:35 - 19:11
DUB
-
PDX
32h 36m
2 stops
€677Multiple Airlines
Sat, 5 Sep - Mon, 14 Sep

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Delta flights from Portland to Dublin

Our best Delta deals on Portland to Dublin flight tickets
Delta
27 Sept
PDX07:00Portland
17h 20m
2 stops
DUB08:20Dublin
8 Oct
DUB05:55Dublin
13h 15m
1 stop
PDX11:10Portland
€675
Delta
1 Sept
PDX12:25Portland
22h 00m
2 stops
DUB18:25Dublin
9 Sept
DUB05:55Dublin
13h 15m
1 stop
PDX11:10Portland
€693
Delta
1 Sept
PDX06:00Portland
17h 55m
1 stop
DUB07:55Dublin
17 Sept
DUB08:55Dublin
22h 15m
2 stops
PDX23:10Portland
€697

United Airlines flights from Portland to Dublin

Our best United Airlines deals on Portland to Dublin flight tickets
United Airlines
10 Aug
PDX22:40Portland
27h 05m
1 stop
DUB09:45Dublin
19 Aug
DUB09:50Dublin
31h 41m
1 stop
PDX09:31Portland
€671
United Airlines
1 Sept
PDX23:09Portland
24h 21m
1 stop
DUB07:30Dublin
11 Sept
DUB09:50Dublin
31h 41m
1 stop
PDX09:31Portland
€672
United Airlines
10 Aug
PDX23:30Portland
23h 50m
1 stop
DUB07:20Dublin
19 Aug
DUB09:20Dublin
42h 50m
2 stops
PDX20:10Portland
€676

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 16 July 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

Tue 22/9

19:45-07:45

2 stops28h 00m

Dublin

Wed 30/9

09:20-19:11

2 stops17h 51m

€669

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 29/9

15:30-05:10

3 stops29h 40m

Dublin

Fri 9/10

13:20-09:31

3 stops28h 11m

€670

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 10/8

22:40-09:45

1 stop27h 05m

Dublin

Wed 19/8

09:50-09:31

1 stop31h 41m

€671

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 1/9

23:09-07:30

1 stop24h 21m

Dublin

Fri 11/9

09:50-09:31

1 stop31h 41m

€672

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 29/9

19:45-08:15

2 stops28h 30m

Dublin

Fri 9/10

09:20-19:06

2 stops17h 46m

€673
Fastest return journey

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 27/9

07:00-08:20

2 stops17h 20m

Dublin

Thu 8/10

05:55-11:10

1 stop13h 15m

€674

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 27/9

07:00-08:20

2 stops17h 20m

Dublin

Thu 8/10

05:55-11:10

1 stop13h 15m

€675

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 22/9

10:10-07:45

1 stop13h 35m

Dublin

Mon 5/10

13:00-22:23

2 stops41h 23m

€676

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 10/8

05:00-10:40

2 stops21h 40m

Dublin

Thu 20/8

09:50-22:03

2 stops44h 13m

€676

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sat 5/9

15:30-07:45

2 stops32h 15m

Dublin

Mon 14/9

18:35-19:11

2 stops32h 36m

€677

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 €423.

How far in advance should I book a flight from Portland 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 €569 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 €545 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 30m

Direct flights

None
The fastest flight from Portland to Dublin takes 11h 30m
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 30m 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
Swords
Bray
Gorey
Kildare
Tullamore
Mullingar
Leixlip
Maynooth
Castleknock
Malahide
Enniscorthy
Carlingford
Drogheda
Portmarnock

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.

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