Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Portland to Dublin from €211

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 5/10. 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

Find the cheapest flights from Portland to Dublin

Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
15:30 - 11:05PDX  Portland-DUB Dublin
11h 35m1 stop Reykjavik Keflavik Intl
Icelandair Logo
12:15 - 17:55DUB  Dublin-PDX Portland
13h 40m1 stop Reykjavik Keflavik Intl
€508Icelandair
Thu, 8 Oct - Sun, 18 Oct
Icelandair Logo
15:30 - 13:15PDX  Portland-DUB Dublin
13h 45m1 stop Reykjavik Keflavik Intl
Icelandair Logo
12:15 - 17:55DUB  Dublin-PDX Portland
13h 40m1 stop Reykjavik Keflavik Intl
€514Icelandair
Mon, 28 Sep - Wed, 7 Oct
Icelandair Logo
15:30 - 13:15PDX  Portland-DUB Dublin
13h 45m1 stop Reykjavik Keflavik Intl
Icelandair Logo
12:15 - 17:55DUB  Dublin-PDX Portland
13h 40m1 stop Reykjavik Keflavik Intl
€521Icelandair
Mon, 28 Sep - Wed, 7 Oct
Icelandair Logo
15:30 - 13:15PDX  Portland-DUB Dublin
13h 45m1 stop Reykjavik Keflavik Intl
Icelandair Logo
12:15 - 17:55DUB  Dublin-PDX Portland
13h 40m1 stop Reykjavik Keflavik Intl
€530Icelandair
Mon, 5 Oct - Wed, 21 Oct
Icelandair Logo
15:30 - 11:05PDX  Portland-DUB Dublin
11h 35m1 stop Reykjavik Keflavik Intl
Icelandair Logo
12:15 - 17:55DUB  Dublin-PDX Portland
13h 40m1 stop Reykjavik Keflavik Intl
€531Icelandair
Sat, 3 Oct - Sun, 18 Oct
Icelandair Logo
14:45 - 10:15PDX  Portland-DUB Dublin
11h 30m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:30 - 17:00DUB  Dublin-PDX Portland
13h 30m1 stop Reykjavik Keflavik Intl
€538Icelandair
Sat, 28 Nov - Wed, 2 Dec
Icelandair Logo
15:30 - 13:15PDX  Portland-DUB Dublin
13h 45m1 stop Reykjavik Keflavik Intl
Icelandair Logo
12:15 - 17:55DUB  Dublin-PDX Portland
13h 40m1 stop Reykjavik Keflavik Intl
€552Icelandair
Mon, 21 Sep - Wed, 30 Sep
Icelandair Logo
15:30 - 13:15PDX  Portland-DUB Dublin
13h 45m1 stop Reykjavik Keflavik Intl
Icelandair Logo
14:15 - 17:55DUB  Dublin-PDX Portland
11h 40m1 stop Reykjavik Keflavik Intl
€554Icelandair
Mon, 28 Sep - Tue, 6 Oct
Icelandair Logo
14:45 - 10:15PDX  Portland-DUB Dublin
11h 30m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:30 - 17:00DUB  Dublin-PDX Portland
13h 30m1 stop Reykjavik Keflavik Intl
€565Icelandair
Thu, 26 Nov - Wed, 2 Dec
Icelandair Logo
15:30 - 13:15PDX  Portland-DUB Dublin
13h 45m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:30 - 18:00DUB  Dublin-PDX Portland
13h 30m1 stop Reykjavik Keflavik Intl
€566Icelandair
Mon, 19 Oct - Wed, 28 Oct

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

KLM flights from Portland to Dublin

Our best KLM deals on Portland to Dublin flight tickets
KLM
13 Dec
PDX06:15Portland
17h 40m
1 stop
DUB07:55Dublin
25 Dec
DUB05:45Dublin
20h 34m
2 stops
PDX18:19Portland
€644
KLM
19 Aug
PDX17:08Portland
15h 32m
2 stops
DUB16:40Dublin
3 Sept
DUB05:55Dublin
13h 15m
1 stop
PDX11:10Portland
€771
KLM
20 Aug
PDX06:45Portland
18h 00m
1 stop
DUB08:45Dublin
2 Sept
DUB05:55Dublin
13h 15m
1 stop
PDX11:10Portland
€807

Icelandair flights from Portland to Dublin

Our best Icelandair deals on Portland to Dublin flight tickets
Icelandair
8 Oct
PDX15:30Portland
11h 35m
1 stop
DUB11:05Dublin
18 Oct
DUB12:15Dublin
13h 40m
1 stop
PDX17:55Portland
€508
Icelandair
28 Sept
PDX15:30Portland
13h 45m
1 stop
DUB13:15Dublin
7 Oct
DUB12:15Dublin
13h 40m
1 stop
PDX17:55Portland
€514
Icelandair
28 Sept
PDX15:30Portland
13h 45m
1 stop
DUB13:15Dublin
7 Oct
DUB12:15Dublin
13h 40m
1 stop
PDX17:55Portland
€521

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 13 August 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 Portland - DUB Dublin

PDXDUB

Portland

Thu 8/10

15:30-11:05

1 stop11h 35m

Dublin

Sun 18/10

12:15-17:55

1 stop13h 40m

€508

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Mon 28/9

15:30-13:15

1 stop13h 45m

Dublin

Wed 7/10

12:15-17:55

1 stop13h 40m

€514

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Mon 28/9

15:30-13:15

1 stop13h 45m

Dublin

Wed 7/10

12:15-17:55

1 stop13h 40m

€521

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Mon 5/10

15:30-13:15

1 stop13h 45m

Dublin

Wed 21/10

12:15-17:55

1 stop13h 40m

€530

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Sat 3/10

15:30-11:05

1 stop11h 35m

Dublin

Sun 18/10

12:15-17:55

1 stop13h 40m

€531
Fastest return journey

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Sat 28/11

14:45-10:15

1 stop11h 30m

Dublin

Wed 2/12

11:30-17:00

1 stop13h 30m

€538

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Mon 21/9

15:30-13:15

1 stop13h 45m

Dublin

Wed 30/9

12:15-17:55

1 stop13h 40m

€552

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Mon 28/9

15:30-13:15

1 stop13h 45m

Dublin

Tue 6/10

14:15-17:55

1 stop11h 40m

€554

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Thu 26/11

14:45-10:15

1 stop11h 30m

Dublin

Wed 2/12

11:30-17:00

1 stop13h 30m

€565

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Mon 19/10

15:30-13:15

1 stop13h 45m

Dublin

Wed 28/10

11:30-18:00

1 stop13h 30m

€566

Flights are sorted by cheapest return flights first.

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

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?

Prices are currently low for flights on this route.

Typical prices usually range from €549 to €779.
The lowest price recently found on this route was €508.

What is the cheapest month to fly to Dublin?

If you aren’t able to travel during the month of February, then book flights to Dublin from Portland during November instead. Flights to Dublin in November, while not as cheap as those in February, still average around €422.

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 €584 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 €539 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
Swords
Gorey
Naas
Bray
Kildare
Tullamore
Mullingar
Leixlip
Maynooth
Castleknock
Malahide
Carlingford
Enniscorthy
Drogheda
Arklow

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

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
Sat 12/9
Sat 19/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland