$224 Find Cheap Flights from Portland to Ireland

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portland to Ireland departing on 5/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Portland to Ireland

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Dublin
Dublin1 stop$484
Shannon
Shannon1 stop$520
Dublin
Dublin1 stop$484
Shannon
Shannon1 stop$520

Book Cheap Portland to Ireland Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Portland to Ireland that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Portland to Ireland

Thu, Feb 26 - Thu, Mar 5
KLM Logo
5:31 am - 7:45 am
PWM
-
DUB
21h 14m
1 stop
KLM Logo
1:25 pm - 12:18 am
DUB
-
PWM
15h 53m
2 stops
$484KLM
Thu, Feb 26 - Thu, Mar 5
KLM Logo
5:31 am - 7:45 am
PWM
-
DUB
21h 14m
1 stop
KLM Logo
10:45 am - 12:18 am
DUB
-
PWM
18h 33m
1 stop
$485KLM
Fri, May 1 - Fri, May 8
United Airlines Logo
7:50 pm - 10:15 am
PWM
-
SNN
9h 25m
1 stop
United Airlines Logo
12:30 pm - 6:23 pm
SNN
-
PWM
10h 53m
1 stop
$489United Airlines
Tue, Mar 17 - Tue, Mar 24
Delta Logo
12:51 pm - 8:45 am
PWM
-
DUB
15h 54m
2 stops
Delta Logo
10:45 am - 12:09 pm
DUB
-
PWM
29h 24m
2 stops
$491Delta
Thu, Feb 26 - Thu, Mar 5
KLM Logo
2:35 pm - 12:40 pm
PWM
-
DUB
17h 05m
2 stops
KLM Logo
1:25 pm - 12:18 am
DUB
-
PWM
15h 53m
2 stops
$494KLM
Wed, Mar 18 - Wed, Mar 25
Delta Logo
2:30 pm - 3:45 pm
PWM
-
DUB
21h 15m
2 stops
Delta Logo
9:45 am - 12:09 pm
DUB
-
PWM
30h 24m
2 stops
$496Delta
Fri, May 1 - Fri, May 8
United Airlines Logo
7:50 pm - 10:15 am
PWM
-
SNN
9h 25m
1 stop
United Airlines Logo
12:30 pm - 9:19 pm
SNN
-
PWM
37h 49m
2 stops
$504United Airlines
Thu, Jul 30 - Mon, Aug 10
KLM Logo
2:35 pm - 11:10 am
PWM
-
SNN
15h 35m
1 stop
KLM Logo
1:05 pm - 11:59 pm
SNN
-
PWM
15h 54m
1 stop
$520KLM
Thu, Jul 30 - Mon, Aug 10
Multiple Airlines Logo
2:35 pm - 11:10 am
PWM
-
SNN
15h 35m
1 stop
Multiple Airlines Logo
1:05 pm - 4:15 pm
SNN
-
PWM
32h 10m
2 stops
$530Multiple Airlines
Wed, Mar 18 - Wed, Mar 25
Multiple Airlines Logo
2:30 pm - 9:20 am
PWM
-
DUB
14h 50m
2 stops
Multiple Airlines Logo
10:45 am - 11:03 pm
DUB
-
PWM
16h 18m
1 stop
$572Multiple Airlines
Booking Insights

KAYAK's insights & trends for Portland to Ireland flights

Get data-powered insights and trends into flights from Portland to Ireland to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Portland to Ireland?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Portland to Ireland were found on KLM ($484) and United Airlines ($489).

Good to know

Cheapest flight$224
Flight from Portland to Dublin

FAQs - booking Ireland flights

  • How does KAYAK find such low prices on flights from Portland to Ireland?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portland to Ireland.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portland to Ireland?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Portland to Ireland is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Portland to Ireland?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Portland to Ireland with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to Ireland?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Portland to Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Portland to Ireland

 
Need help choosing which airline to fly with from Portland to Ireland? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 9220 reviews
7.1Entertainment
6.6Food
7.7Boarding
7.3Comfort
8.1Crew
Airline reviews

The attendant on board was amazing. She should be doing business/first international long haul.

10.0 ExcellentJeremy, Feb 2026
EWR - BTV
Read more United Airlines reviews

The attendant on board was amazing. She should be doing business/first international long haul.

Although our flight was delayed the overall boarding process was very smooth and the crew was accommodating.

I was fully checked in the prior night and i was unchecked and then didn’t have a seat when I boarded. Instead of an aisle seat, I was out in the middle seat of the very last row of the plane.

In overall it was a good experience, the only down point was that the entertainment screen was working properly.

HORRIBLE, my initial flight was cancelled, they made me pay $200 extra dollars and that got cancelled as well! After 6 cancellations I decided to get a refund because I needed to get home to my babies. Out of $1000+ dollars they offered me only $40 in refund! Totally unacceptable! The flight that they cancelled I was able to fly it on another airline. I had to spend $400 on one way tickets just to get home! I’m still getting the runaround.

First class ticket gets you a choice of chips or nuts. . Just like economy Southwest. Also no screen in the seats. This is first class???!

Seated dude next to me even though lots of empty rows. But main thing was we sat on the tarmac after landing for 30 minutes because of, in the words of the dude who sat next to me, “operational incompetence”. We got changing directions about where to pick up gate checked bags. Pilot and flight attendant were awesome though.

The food was terrible this time. Otherwise pleasant, quiet, on-time.

It was a pretty standard flight... until the almost hour and a half spent on the taxi way. I get that the weather has been poor but the delay had nothing to do with the weather and more to do with a plane with several issues tying up the gate. I get that that happens from time to time but this has been EVERY flight I've been on for the past 5 years and I fly 3 to 5 times a year. This isn't just United... it's American, it's Delta. It's an issue with the entire industry. I work for UPS and packages on a cargo plane get better service than people do these days. Anymore I HATE flying.

Flight arrived 30 min early and bag was waiting at the baggage pickup. United Club HNL was one of the nicest in the system

Friendly crew, efficient boarding and flight arrived early. Couldn’t ask for a better experience

Terrible. They canceled our early morning flight after midnight on the day of and had no available flights to rebook my family on for the next 72 hours. Yet they still had other flights that were not cancelled from JFK so it couldn’t be based on the weather. It felt like they canceled the flight based on it not being profitable enough for them. I am not interested in traveling with the again. The absolute worse customer service and lack of accountability.

Horribly rude check in at airport, worst in 25 years of flying. All over a simple issue they could have googled to resolve.

First time flying with JetBlue and never again. I went to the counter to request meet and assist because I'm 74 and my wife is 79. I walk with a cane and my wife is handicapped and has her own wheel chair. I told the agent that my wife and luggage was at the entrance door. The ticketing agent said to me that they don't offer meet and assist. I need to bring them our luggage and then go back and get my wife in order to get my boarding pass. As I went back to get my luggage a Southwest agent along with a TSA agent recognized the situation and came over and took my wife and luggage to the JetBlue ticketing counter alongside the line and told the JetBlue agent to issue to take our luggage as soon as they could.

Flight was fine, price was good but food onboard was abysmal. I was on there for breakfast and lunch and dinner 845am EST to 845pm GMT and all I got was a yoghurt parfait, fruit and a piece of cake. Later snacks included an ice-cream brownie and a pizza twist. I was hungry by the time I landed and the airport amenities were closed. Not happy.

1) No pilot available for 1 hour 2) no room for most passengers careyon in overhead—-> stowed below 3) when we landed we had to wait 45 min. Before docking at gate as gate was not ready

Good. No issues except a slight delay. Crew came in late.

Not a pleasant experience, service was poor. Didn't like it

It was good. I prefer JB over other airlines.I just wish we had headphones for the films, but other than that - good.

The ride share experience in JFK is terrible. After traveling on a flight, then you need to take a subway to the last stop to get an uber or lyft. Unacceptable. Bad job JetBlue for permitting JFK and Port Authority to do this to your passengers.

Everything you need to know for your flight from Portland to Ireland

Information on your arrival and departure airports