Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Portland to Dublin from $244

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 4/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize 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

Find the cheapest flights from Portland to Dublin

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
3:30 pm - 1:15 pm
PDX
-
DUB
13h 45m
1 stop
Icelandair Logo
2:15 pm - 6:00 pm
DUB
-
PDX
11h 45m
1 stop
$581Icelandair
Mon, Apr 20 - Mon, May 4
Lufthansa Logo
10:10 am - 7:45 am
PDX
-
DUB
13h 35m
1 stop
Lufthansa Logo
9:20 am - 7:05 pm
DUB
-
PDX
17h 45m
1 stop
$590Lufthansa
Sat, May 2 - Sat, May 9
Lufthansa Logo
10:10 am - 7:45 am
PDX
-
DUB
13h 35m
1 stop
Lufthansa Logo
9:20 am - 7:05 pm
DUB
-
PDX
17h 45m
1 stop
$597Lufthansa
Sat, May 2 - Sat, May 9
Icelandair Logo
3:30 pm - 1:15 pm
PDX
-
DUB
13h 45m
1 stop
Icelandair Logo
12:15 pm - 6:00 pm
DUB
-
PDX
13h 45m
1 stop
$603Icelandair
Mon, Apr 13 - Wed, Apr 29
Icelandair Logo
3:30 pm - 11:05 am
PDX
-
DUB
11h 35m
1 stop
Icelandair Logo
2:15 pm - 6:00 pm
DUB
-
PDX
11h 45m
1 stop
$604Icelandair
Tue, Apr 21 - Mon, May 4
Icelandair Logo
3:30 pm - 1:15 pm
PDX
-
DUB
13h 45m
1 stop
Icelandair Logo
12:15 pm - 6:00 pm
DUB
-
PDX
13h 45m
1 stop
$615Icelandair
Mon, Apr 13 - Wed, Apr 29
Multiple Airlines Logo
3:30 pm - 7:45 am
PDX
-
DUB
32h 15m
1 stop
Multiple Airlines Logo
9:50 am - 9:30 am
DUB
-
PDX
31h 40m
1 stop
$621Multiple Airlines
Fri, May 1 - Sun, May 10
Multiple Airlines Logo
10:10 am - 7:45 am
PDX
-
DUB
13h 35m
1 stop
Multiple Airlines Logo
9:20 am - 7:05 pm
DUB
-
PDX
17h 45m
1 stop
$623Multiple Airlines
Sat, May 2 - Sat, May 9
Icelandair Logo
3:30 pm - 1:15 pm
PDX
-
DUB
13h 45m
1 stop
Icelandair Logo
2:15 pm - 6:00 pm
DUB
-
PDX
11h 45m
1 stop
$625Icelandair
Mon, Apr 27 - Mon, May 4
United Airlines Logo
11:59 pm - 9:45 am
PDX
-
DUB
25h 46m
1 stop
United Airlines Logo
9:50 am - 9:30 am
DUB
-
PDX
31h 40m
1 stop
$626United Airlines
Fri, Apr 24 - Wed, May 6

Icelandair flights from Portland to Dublin

Our best Icelandair deals on Portland to Dublin flight tickets
Icelandair
Apr 20
PDX3:30 pmPortland
13h 45m
1 stop
DUB1:15 pmDublin
May 4
DUB2:15 pmDublin
11h 45m
1 stop
PDX6:00 pmPortland
$581
Icelandair
Apr 13
PDX3:30 pmPortland
13h 45m
1 stop
DUB1:15 pmDublin
Apr 29
DUB12:15 pmDublin
13h 45m
1 stop
PDX6:00 pmPortland
$603
Icelandair
Apr 21
PDX3:30 pmPortland
11h 35m
1 stop
DUB11:05 amDublin
May 4
DUB2:15 pmDublin
11h 45m
1 stop
PDX6:00 pmPortland
$604

United Airlines flights from Portland to Dublin

Our best United Airlines deals on Portland to Dublin flight tickets
United Airlines
Apr 24
PDX11:59 pmPortland
25h 46m
1 stop
DUB9:45 amDublin
May 6
DUB9:50 amDublin
31h 40m
1 stop
PDX9:30 amPortland
$626
United Airlines
Aug 17
PDX7:00 amPortland
18h 45m
1 stop
DUB9:45 amDublin
Aug 24
DUB9:50 amDublin
33h 45m
2 stops
PDX11:35 amPortland
$629
United Airlines
Aug 25
PDX12:50 pmPortland
34h 55m
3 stops
DUB7:45 amDublin
Sep 8
DUB9:20 amDublin
45h 32m
2 stops
PDX10:52 pmPortland
$632

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 March 24, 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 round-trip

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 4/20

3:30 pm-1:15 pm

1 stop13h 45m

Dublin

Mon 5/4

2:15 pm-6:00 pm

1 stop11h 45m

$581

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sat 5/2

10:10 am-7:45 am

1 stop13h 35m

Dublin

Sat 5/9

9:20 am-7:05 pm

1 stop17h 45m

$590

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sat 5/2

10:10 am-7:45 am

1 stop13h 35m

Dublin

Sat 5/9

9:20 am-7:05 pm

1 stop17h 45m

$597

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 4/13

3:30 pm-1:15 pm

1 stop13h 45m

Dublin

Wed 4/29

12:15 pm-6:00 pm

1 stop13h 45m

$603
Quickest round-trip

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 4/21

3:30 pm-11:05 am

1 stop11h 35m

Dublin

Mon 5/4

2:15 pm-6:00 pm

1 stop11h 45m

$604

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 4/13

3:30 pm-1:15 pm

1 stop13h 45m

Dublin

Wed 4/29

12:15 pm-6:00 pm

1 stop13h 45m

$615

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 5/1

3:30 pm-7:45 am

1 stop32h 15m

Dublin

Sun 5/10

9:50 am-9:30 am

1 stop31h 40m

$621

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sat 5/2

10:10 am-7:45 am

1 stop13h 35m

Dublin

Sat 5/9

9:20 am-7:05 pm

1 stop17h 45m

$623

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 4/27

3:30 pm-1:15 pm

1 stop13h 45m

Dublin

Mon 5/4

2:15 pm-6:00 pm

1 stop11h 45m

$625

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 4/24

11:59 pm-9:45 am

1 stop25h 46m

Dublin

Wed 5/6

9:50 am-9:30 am

1 stop31h 40m

$626

Flights are sorted by cheapest round-trip 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 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 $480. 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 $484.

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 $611 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 $559 on momondo.

Can stopping save me money on Portland to Dublin flights?

You could potentially save up to 36% on your flight if you consider stops on a Portland to Dublin flight.

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 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

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

  • 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 $354Free CancellationRating
7.0
625 reviews
Search Icelandair flights
IberiaPriceFrom $437Free CancellationRating
7.0
3,152 reviews
Search Iberia flights
British AirwaysPriceFrom $459Free CancellationRating
6.7
7,818 reviews
Search British Airways flights
United AirlinesPriceFrom $462Free CancellationRating
7.4
9,476 reviews
Search United Airlines flights
American AirlinesPriceFrom $466Free CancellationRating
7.1
11,493 reviews
Search American Airlines flights
Air CanadaPriceFrom $468Free CancellationRating
7.1
10,837 reviews
Search Air Canada flights
DeltaPriceFrom $468Free CancellationRating
7.9
8,326 reviews
Search Delta flights
KLMPriceFrom $473Free CancellationRating
7.8
1,477 reviews
Search KLM flights
LufthansaPriceFrom $477Free CancellationRating
6.8
7,867 reviews
Search Lufthansa flights
Aer LingusPriceFrom $676Free CancellationRating
7.2
1,487 reviews
Search Aer Lingus flights

Traveling to a place near Dublin?

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

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.

An easier way to manage your Dublin trip

We make it super easy to schedule, organize 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
Thu 4/23
Thu 4/30
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland