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Cheap flights from Portland to Dublin from $292

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 9/27. 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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Find the cheapest flights from Portland to Dublin

Cheap round-trip flights

Icelandair Logo
3:20 pm - 11:05 amPDX-DUB
11h 45m1 stop
Icelandair Logo
11:30 am - 5:00 pmDUB-PDX
13h 30m1 stop
$355Icelandair
Find Deal
sáb., oct. 25 - vie., nov. 7
Icelandair Logo
3:20 pm - 11:05 amPDX-DUB
11h 45m1 stop
Icelandair Logo
11:30 am - 5:00 pmDUB-PDX
13h 30m1 stop
$356Icelandair
Find Deal
sáb., oct. 25 - vie., nov. 7
Icelandair Logo
3:20 pm - 1:15 pmPDX-DUB
13h 55m1 stop
Icelandair Logo
11:30 am - 5:00 pmDUB-PDX
13h 30m1 stop
$358Icelandair
Find Deal
vie., oct. 24 - lun., nov. 3
Icelandair Logo
3:45 pm - 10:15 amPDX-DUB
11h 30m1 stop
Icelandair Logo
11:30 am - 5:00 pmDUB-PDX
13h 30m1 stop
$370Icelandair
Find Deal
lun., oct. 27 - lun., nov. 3
United Airlines Logo
7:00 am - 8:10 amPDX-DUB
18h 10m1 stop
United Airlines Logo
9:00 am - 11:48 amDUB-PDX
34h 48m2 stops
$405United Airlines
Find Deal
lun., oct. 27 - lun., nov. 3
Air Canada Logo
7:40 pm - 7:45 amPDX-DUB
28h 05m2 stops
Air Canada Logo
9:20 am - 2:50 pmDUB-PDX
37h 30m2 stops
$411Air Canada
Find Deal
mar., ago. 12 - mar., ago. 19
Air Canada Logo
11:59 pm - 7:10 amPDX-DUB
47h 11m2 stops
Air Canada Logo
9:00 am - 10:33 pmDUB-PDX
45h 33m2 stops
$419Air Canada
Find Deal
dom., nov. 2 - lun., nov. 10
United Airlines Logo
7:00 am - 8:10 amPDX-DUB
18h 10m1 stop
United Airlines Logo
9:00 am - 8:29 pmDUB-PDX
19h 29m2 stops
$428United Airlines
Find Deal
lun., oct. 27 - lun., nov. 3
Delta Logo
12:40 am - 7:45 amPDX-DUB
23h 05m1 stop
Delta Logo
9:45 am - 10:32 pmDUB-PDX
20h 47m1 stop
$439Delta
Find Deal
lun., nov. 10 - mié., nov. 19
British Airways Logo
5:45 pm - 5:05 pmPDX-DUB
15h 20m1 stop
British Airways Logo
8:50 am - 3:55 pmDUB-PDX
15h 05m1 stop
$453British Airways
Find Deal
lun., nov. 3 - lun., nov. 10

Icelandair flights from Portland to Dublin

Our best Icelandair deals on Portland to Dublin flight tickets
Icelandair
Oct 25
PDX3:20 pmPortland
11h 45m
1 stop
DUB11:05 amDublin
Nov 7
DUB11:30 amDublin
13h 30m
1 stop
PDX5:00 pmPortland
$355
Find similar
Icelandair
Oct 25
PDX3:20 pmPortland
11h 45m
1 stop
DUB11:05 amDublin
Nov 7
DUB11:30 amDublin
13h 30m
1 stop
PDX5:00 pmPortland
$356
Find similar
Icelandair
Oct 24
PDX3:20 pmPortland
13h 55m
1 stop
DUB1:15 pmDublin
Nov 3
DUB11:30 amDublin
13h 30m
1 stop
PDX5:00 pmPortland
$358
Find similar

Air Canada flights from Portland to Dublin

Our best Air Canada deals on Portland to Dublin flight tickets
Air Canada
Aug 12
PDX7:40 pmPortland
28h 05m
2 stops
DUB7:45 amDublin
Aug 19
DUB9:20 amDublin
37h 30m
2 stops
PDX2:50 pmPortland
$411
Find similar
Air Canada
Nov 2
PDX11:59 pmPortland
47h 11m
2 stops
DUB7:10 amDublin
Nov 10
DUB9:00 amDublin
45h 33m
2 stops
PDX10:33 pmPortland
$419
Find similar
Air Canada
Oct 27
PDX7:00 pmPortland
28h 10m
2 stops
DUB6:10 amDublin
Nov 5
DUB9:00 amDublin
32h 15m
2 stops
PDX9:15 amPortland
$420
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated julio 29, 2025.
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

PortlandDublin

PDX - DUB

PDXDUB

Portland

sáb. 10/25

3:20 pm-11:05 am

1 stop11h 45m

Dublin

vie. 11/7

11:30 am-5:00 pm

1 stop13h 30m

$355

PortlandDublin

PDX - DUB

PDXDUB

Portland

sáb. 10/25

3:20 pm-11:05 am

1 stop11h 45m

Dublin

vie. 11/7

11:30 am-5:00 pm

1 stop13h 30m

$356

PortlandDublin

PDX - DUB

PDXDUB

Portland

vie. 10/24

3:20 pm-1:15 pm

1 stop13h 55m

Dublin

lun. 11/3

11:30 am-5:00 pm

1 stop13h 30m

$358

PortlandDublin

PDX - DUB

PDXDUB

Portland

lun. 10/27

3:45 pm-10:15 am

1 stop11h 30m

Dublin

lun. 11/3

11:30 am-5:00 pm

1 stop13h 30m

$370

PortlandDublin

PDX - DUB

PDXDUB

Portland

lun. 10/27

7:00 am-8:10 am

1 stop18h 10m

Dublin

lun. 11/3

9:00 am-11:48 am

2 stops34h 48m

$405

PortlandDublin

PDX - DUB

PDXDUB

Portland

mar. 8/12

7:40 pm-7:45 am

2 stops28h 05m

Dublin

mar. 8/19

9:20 am-2:50 pm

2 stops37h 30m

$411

PortlandDublin

PDX - DUB

PDXDUB

Portland

dom. 11/2

11:59 pm-7:10 am

2 stops47h 11m

Dublin

lun. 11/10

9:00 am-10:33 pm

2 stops45h 33m

$419

PortlandDublin

PDX - DUB

PDXDUB

Portland

lun. 10/27

7:00 am-8:10 am

1 stop18h 10m

Dublin

lun. 11/3

9:00 am-8:29 pm

2 stops19h 29m

$428

PortlandDublin

PDX - DUB

PDXDUB

Portland

lun. 11/10

12:40 am-7:45 am

1 stop23h 05m

Dublin

mié. 11/19

9:45 am-10:32 pm

1 stop20h 47m

$439

PortlandDublin

PDX - DUB

PDXDUB

Portland

lun. 11/3

5:45 pm-5:05 pm

1 stop15h 20m

Dublin

lun. 11/10

8:50 am-3:55 pm

1 stop15h 05m

$453

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 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?

In general, November is the cheapest month to fly from Portland to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $440. If you’re not able to fly to Dublin in November, then February is your next best option. Flight prices from Portland to Dublin during February average around $502.

What is the cheapest day to depart on your flight to Dublin?

The cheapest day to depart from Portland to Dublin is on a Tuesday. Travelers who choose to depart for Dublin on a Tuesday will often find tickets for as low as $560. Flights from Portland to Dublin on a Saturday will generally be more expensive and average around $743. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

At noon is the cheapest time of day to fly from Portland to Dublin when you can find flight prices for as low as $597. Flying to Dublin at noon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $696.

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 $598 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Portland for as low as $576 on momondo.

How have Portland to Dublin flight prices changed over time?

As of July 2025, prices for Portland to Dublin flights are approximately 37% cheaper when compared to flights at the same time last year.

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 round-trip 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

Best Price Found

$292

Fastest flight time

11h 30m

Direct flights

None

Airports in Dublin

1 airport
The best one-way flight to Dublin from Portland in the past 72 hours is $292. The best round-trip flight deal from Portland to Dublin found on momondo in the last 72 hours is $355.
The fastest flight from Portland to Dublin takes 11h 30m
There are no direct flights from Portland to Dublin. Popular non-direct route for this connection is Portland Airport - Dublin Airport.
There is 1 airport near Dublin: Dublin (DUB)
Search flight deals

  • How far is Portland to Dublin by plane?

    The straight-line distance from Portland to Dublin is 4644.8 mi. A reasonable flight in good conditions will take 11h 30m.

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

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

  • How many operators does momondo search for flights from Portland Airport to Dublin Airport?

  • 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 layovers. 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 required travel and health documents for your Dublin 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 Dublin Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Portland to Dublin?

Best airlines flying from Portland to Dublin

Compare and see reviews for airlines that fly from Portland to Dublin with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $344Free CancellationRating
7.0
521 reviews
Search Icelandair flights
British AirwaysPriceFrom $437Free CancellationRating
6.6
7,208 reviews
Search British Airways flights
IberiaPriceFrom $437Free CancellationRating
7.0
2,859 reviews
Search Iberia flights
KLMPriceFrom $462Free CancellationRating
7.8
1,383 reviews
Search KLM flights
United AirlinesPriceFrom $469Free CancellationRating
7.4
8,896 reviews
Search United Airlines flights
DeltaPriceFrom $479Free CancellationRating
8.0
7,979 reviews
Search Delta flights
American AirlinesPriceFrom $481Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air CanadaPriceFrom $486Free CancellationRating
7.1
9,826 reviews
Search Air Canada flights
LufthansaPriceFrom $490Free CancellationRating
6.8
7,265 reviews
Search Lufthansa flights
Air FrancePriceFrom $493Free CancellationRating
7.5
1,465 reviews
Search Air France flights

Traveling to a place near Dublin?

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

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portland to Dublin for you.

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

Flights from Portland to Dublin with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Dublin from Portland.

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

Of course. momondo tracks the price of Portland to Dublin 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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