$137 Find Cheap Flights 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 the United States to Ireland departing on 9/10. 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

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Cheap Flights to Ireland

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Dublin
Dublinnonstop$319
Shannon
Shannonnonstop$312
Cork
Cork1 stop$362
Milltown (Kerry)
Milltown (Kerry)3 stops$657
Knock
Knock2 stops$627
Donegal
Donegal1 stop$857
Dublin
Dublinnonstop$319
Shannon
Shannonnonstop$312
Cork
Cork1 stop$362
Milltown (Kerry)
Milltown (Kerry)3 stops$657
Knock
Knock2 stops$627
Donegal
Donegal1 stop$857

Book Cheap Ireland Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights 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 to Ireland

Wed, Nov 12 - Wed, Nov 19
Delta Logo
9:20 pm - 8:45 amJFK-DUB
6h 25mnonstop
Delta Logo
10:45 am - 1:20 pmDUB-JFK
7h 35mnonstop
$319Delta
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Tue, Oct 28 - Wed, Nov 5
Delta Logo
11:15 pm - 9:20 amBOS-DUB
6h 05mnonstop
Delta Logo
11:30 am - 1:40 pmDUB-BOS
7h 10mnonstop
$319Delta
Find Deal
Tue, Oct 14 - Sun, Oct 19
Aer Lingus Logo
9:25 pm - 8:25 amBOS-DUB
6h 00mnonstop
Aer Lingus Logo
4:45 pm - 6:45 pmDUB-BOS
7h 00mnonstop
$327Aer Lingus
Find Deal
Mon, Nov 10 - Mon, Nov 17
United Airlines Logo
6:00 am - 10:20 amEWR-DUB
23h 20m1 stop
United Airlines Logo
9:00 am - 12:24 pmDUB-EWR
32h 24m1 stop
$331United Airlines
Find Deal
Mon, Nov 10 - Fri, Nov 21
United Airlines Logo
6:00 am - 10:20 amLGA-DUB
23h 20m1 stop
United Airlines Logo
9:00 am - 10:53 amDUB-LGA
30h 53m1 stop
$331United Airlines
Find Deal
Mon, Feb 2 - Sun, Feb 15
Aer Lingus Logo
5:00 pm - 4:20 amJFK-DUB
6h 20mnonstop
Aer Lingus Logo
11:15 am - 1:55 pmDUB-JFK
7h 40mnonstop
$332Aer Lingus
Find Deal
Wed, Oct 1 - Tue, Oct 7
Icelandair Logo
8:25 pm - 1:15 pmJFK-DUB
11h 50m1 stop
Icelandair Logo
2:15 pm - 7:10 pmDUB-JFK
9h 55m1 stop
$360Icelandair
Find Deal
Fri, Dec 5 - Fri, Dec 12
Icelandair Logo
2:35 pm - 10:15 amSEA-DUB
11h 40m1 stop
Icelandair Logo
11:30 am - 5:00 pmDUB-SEA
13h 30m1 stop
$370Icelandair
Find Deal
Sun, Oct 12 - Fri, Nov 14
American Airlines Logo
12:22 pm - 6:30 amDCA-DUB
13h 08m1 stop
American Airlines Logo
11:30 am - 8:58 pmDUB-DCA
14h 28m1 stop
$433American Airlines
Find Deal
Mon, Dec 1 - Thu, Dec 11
American Airlines Logo
5:46 pm - 12:35 pmBWI-DUB
13h 49m2 stops
American Airlines Logo
11:30 am - 9:43 pmDUB-BWI
15h 13m2 stops
$435American Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for flights to Ireland

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

What is the cheapest flight to Ireland?

These are the best round-trip prices found by users searching on KAYAK in the last 72 hours.

The cheapest ticket to Ireland from the United States found in the last 72 hours was to Dublin, at $320 round-trip. The most popular route is Atlanta (ATL) to Dublin (DUB) and the cheapest round-trip airline ticket found on this route in the last 72 hours was $320.

How much is a flight to Ireland?

The average and cheapest price for all round-trip flights to Ireland from each origin found by users searching on KAYAK in the last month.

A flight to Ireland costs $545 on average. The cheapest price found on KAYAK in the last 2 weeks was $200 for the route New York John F Kennedy Intl Airport (JFK) to Dublin (DUB). The most popular routes on KAYAK are New York to Dublin which costs $505 on average, and Boston to Dublin, which costs $569 on average.

See prices from:

What is the cheapest month to fly from the United States to Ireland?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from the United States to Ireland, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from the United States to Ireland is October, when tickets cost $694 (return) on average. On the other hand, the most expensive months are June and December, when the average cost of round-trip tickets is $1,215 and $1,182 respectively.

How far in advance should I book a flight from the United States to Ireland?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Ireland, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from the United States to Ireland, you should book around 3 weeks before departure, which saves you about 30% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

Which is the cheapest airport to fly into in Ireland?

Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Ireland is Shannon Airport (SNN), with an average flight price of $395.

Good to know

Low seasonJanuary
Cheapest flight$137
Best time to beat the crowds with an average 11% drop in price.
Most popular time to fly and prices are also 10% lower on average.
Flight from Boston to Dublin

Flights to Ireland: the best tips from KAYAK users' own experiences

Insights shared by verified travelers who flew to Ireland 
Mary MargaretFlew with Aer LingusIAD-DUBJun 2025
Some people may be required to check their carryon bags, depending on flight, plane size, check-in crew, etc. Also, taller people should purchase aisle seats.
Verified travelerFlew with Aer LingusBOS-DUBJul 2025
Whatever airline you choose, spring for a class with more leg and overall body room than economy (or whatever the cheapest class is called).
himanshuFlew with Aer LingusEWR-DUBJun 2025
Eat and drink before boarding. Snacks. Hand gel and surface wipes . Don't expect a window if in a window row.
BarbaraFlew with Aer LingusBOS-DUBMay 2024
Pack what you need in a carryon since it is likely you'll arrive without luggage.

FAQs - booking Ireland flights

  • How does KAYAK find such low prices on flights from the United States 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 the United States to Ireland.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from the United States 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 the United States 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 the United States 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 the United States 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 the United States to Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest day to fly to Ireland?

    Based on KAYAK data, the cheapest day to fly to Ireland is Tuesday where round-trip tickets can be as cheap as $738. On the other hand, the most expensive day to fly is Saturday, where round-trip prices are $834 on average.

  • What is the cheapest time of day to fly to Ireland?

    The cheapest time of day to fly to Ireland is generally in the evening, when round-trip flights cost $666 on average. Morning departures are around 30% more expensive than evening flights, on average. The most expensive time of day to fly to Ireland is generally in the morning, which is peak travel time and where the average cost of a ticket is $849.

Top tips for finding cheap flights to Ireland

  • Looking for cheap airfare to Ireland? 25% of our users found round-trip tickets to Ireland for the following prices or less: From Newark $830, from Boston $1,734, from Washington, D.C. Dulles Intl $1,791
  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Ireland flight deals.

Reviews of the top 5 airlines flying to Ireland

 
Need help choosing which airline to fly with from the United States 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.
8.0
DeltaOverall score based on 7982 reviews
7.9Entertainment
8.5Crew
7.3Food
8.2Boarding
7.9Comfort
Airline reviews

On this flight I felt the food offering was not as complete as on previous flights. The tomato salad was a bit off and there was nothing additional such a bread or butter. The breakfast was only one option, so you either ate what they had or ate nothing. The crew was efficient, but most seemed frustrated throughout the flight. The flight arrived early and was obstacle-free, so I’m overall quite happy, but the shine in the rest of the experience just wasn’t there.

8.0 ExcellentJeanne, Aug 2025MSY - JFK
Read more Delta reviews

On this flight I felt the food offering was not as complete as on previous flights. The tomato salad was a bit off and there was nothing additional such a bread or butter. The breakfast was only one option, so you either ate what they had or ate nothing. The crew was efficient, but most seemed frustrated throughout the flight. The flight arrived early and was obstacle-free, so I’m overall quite happy, but the shine in the rest of the experience just wasn’t there.

The seats got pretty uncomfortable pretty fast. The armrests are bigger than on other planes, so I had less room in the actual seat. My butt hurt by the end of the flight. :/ comfort was the primary issue. The crew were fantastic!

I believe that a four-hour trip should have a meal. Delta had none.

Great flight with Delta! Boarding was quick and easy, the amenities were solid, and the plane was in great shape. The flight attendants had a fun, lively energy while staying professional. All in all, a smooth trip — even managed to catch up on some rest. Thanks, Delta!

I was uncomfortably cold on the plane. Other than that it was uneventful and therefore as enjoyable as a plane ride can be.

There was supposed to be a meal served, but there wasn’t and the major toilet was out of order

They made us board and then deboard due to mechanical issue which delayed the departure by almost 2 hours and we barely made our connecting flight. These quality checks should've been done before boarding not after.

Having to up charge for a seat assignment is not good. Delta can do better

I liked the friendliness of the staff. The cleanliness of all 3 planes.

Was charged for my luggage despite having been on one ticket from an international flight. Too tired to argue after 15 hours on flight. Was charged for rechecking it at JFK airport. Not sure why those off Kenya Airways were required to do that.

Plane was crowded and even when we hit altitude, the plane was hot, not enough air flow.

Flight attendant in first class gave poor service (like he didn't want to be there) and food was awful. We sat waiting for gate upon arrival over 45 mins.

The pilots were late and it made us 1 hour late. The meat was tough and bok choy was also tough.

Flight was delayed 3 hours. No food and drink vouchers was provided. They offered a mini pretzel bag and water .

Stuck on tarmac for two hours plus a 5.5 hour flight. Rude flight attendant. And no meals, not even for purchase!

The service was good, the food could have been better.

Staff was rude. Didn’t give water for 2 hours. Worst service

Excellent flight. Boarding was efficient and departure was on time. Smooth flight with on time arrival. Deplaning was also efficient.

This flight was perfect. No complaints and only the highest regard for the crew and ground staff and how they executed perfectly. I fly a lot with United and would request predictability and transparency in their operations instead of last minute changes.

This is for UA2274 from Houston to Sacramento. The flight was delayed arriving due to mechanical issues so we left about 3 hours later than scheduled. When boarding the plane the temperature inside was excessive - likely close to 100. Pilot apologized and said it was going to improve at altitude, which it did. But before that I honestly thought there might have been more delays removing passengers made ill from the heat. We were delayed leaving due to another mechanical issue. There was not water on the plane due to a panel that was not secured. They did that quickly, but the combination of mechanical issues was rather disturbing and did not reflect well on United.

Pretty good. The food was just mediocre, the boarding and crew were good.

The comfort of the seats was great, the crew eased my child’s anxieties and the fact that I had full cans of my beverage choice was great.

My flight got switched and my prepaid bag didnt transfer over properly so I paid to check ANOTHER BAG. I was placed in a middle seat and it was just miserable. At least it was a bulkhead row so I had legroom. The flight just never seem3d to end

4 hours late, including over +1 hour waiting in plane to take off. Baggage left behind too.

Sat on the ground in Cincinnati for 50 minutes before deplaning

While waiting to claim my checked luggage, I discovered the airline had lost it. After a long wait and inquiries, I discovered it was on another flight. Fortunately, the airline finally sent my luggage home.

Crew should be nicer and emphatic with customers. Same cookies as the past 20 years. Seat are ok and the plane was clean though it was delayed.

Was not able to watch most shows on the entertainment site. They would not load

As smooth as you can expect. Some issues with boarding because the previous plane took forever to deplane but overall, a good experience.

On Wednesday, July 30 we were in mid flight from Manchester to Charlotte and we turned around because the right engine was malfunctioning. That was the last flight out of Manchester that night. I was rebooked for Thursday, which became a weather event Friday. There were no seats left on the flight from Manchester to Charlotte. Consequently I didn’t leave Manchester until Saturday morning and we flew to Chicago so to say the least my scheduled flight and return to Iowa was three days off and it messed with my business schedule. Consequently cash flow. I would like some sort of acknowledgment of this event.

It was my first transatlantic flight with Aer Lingus. Very enjoyable. Thank you for making international travel enjoyable again.

Excellent as far as the flight is concerned. Faro airport passport check was a huge delay and worrisome re missing the flight. 45 minutes there through passport control

The space between seats has reduced even further making it extremely uncomfortable. Couldn't even open the tray table properly or got compressed the moment the front guy reclined.

The seat pitch was a little tight for me, but I survived. There was a volatile, enraged passenger a couple of rows ahead of me and the cabin crew defused and resolved the situation calmly, quickly, and successfully.

My experience with Aer Lingus was nice, and I would be happy to fly with them again. However, my seat pocket had not been cleaned and had dirty wipes in it. I have flown with Aer Lingus before and do not recall anything like that happening, so presumably this was a one-off kind of thing. For the meal, I asked if there was possibly one without my allergens and the flight attendant gave me the one she thought would be fine. She did not know what allergens were in it, but when I received the meal the allergens were all listed right on the top of the package, so I was confused about why she didn’t know how to check what they were. In future, I will see if it’s possible to request an allergen-free meal ahead of time. But overall, I had a pleasant experience. My experience with Underpricer was very unenjoyable and because of them I do not plan to book through Kayak in the future. I have used Kayak numerous times, but this booking experience was so unpleasant. They called me numerous times and also emailed me to try to get me to select a seat. However, when I had a question later on, I was kept on hold for 20/30 minutes before I finally hung up. I also emailed them but never received a response, which I did not appreciate, especially given their previous frequent calls when they wanted something from me.

We booked a flight from FCO(Rome) with a stop over at DUB(Dublin) going to JFK. Boarding from Rome was kind of chaotic since the airport I guess is very small and we needed to shuttle to the airplane. The gate agent just let everyone and anyone go without using the sections so that took a lot longer than usual boarding. From drinking to JFk boarding was good and organized. Amazingly the flights was very smooth sailing and we’ve flown American big airplane to small companies before. The aircraft’s itself is on the older side, can’t complain tho because the plane ride wa smooth. For a 3 hour plane ride, nothing was complimentary. But for the longer leg of the plane complimentary snacks, meals and drinks were provided which was great. The food wasn’t bad either. I would fly with them again, great price and good service.

Comfortable trip , flight attendants professional as always. Only complaint was the food, We fly Aer Lingus frequently, this was the first time the quality of the meal was poor.

Everything went well. I made my connection which is always a concern.

I appteciate the very courteous staff. The flight was good. Something that wasn't good was that my bag was only checked as far as Dublin and I had a connecting flight to Vienna. (That was a mistake the ORD desk made.) Fortunately the desk at DUB was able to re-tag without me having to re-check in (which initially it seemed I might have to do.)

I had an awful experience at the ticketing agent stand. I had purchased three tickets, one of which I had the maiden name of a passenger on the ticket. They refused to help, assist, and actually delayed our process and had us miss an opportunity to purchase a ticket on the same flight. I was sent through multiple phone calls, none of which helped, and the person at the counter was the person who told me to both call Aer Lingus for help and was the person who said they could not fulfill my request that they were privy to from the beginning. My partner is still stuck in Scotland, racking up thousands of dollars in additional fees and tickets. I am very upset and two of my tickets went unused. I will never be using Aer Lingus ever again and I will continue to complain about them.

The flight was delayed and as a consequence we missed our connecting flight. Were stuck for another 6h in Reykyavik. Appreciated that we got a generous food voucher at least. Would have liked to see more information upon arrival including a person waiting for connecting flight travellers and informing already that we will not catch the flight and directing us to the office dealing with the matter; unfortunately that didnt happen and we hence first needed to find out whether flight had indeed left already and then locate the adequate office to help us with booking us on the next connecting flight. Also my suitcase broke and it is not clear whether it is happened on the leg with Iceland Air from DC to Reykyavik or on the leg with Lufthansa from Reykyavik to Frankfurt. Finally, understood that it is a low cost company but at least provision of earplugs for free would have been nice, instead of making them buy.

Great experience on Icelandair flight from Newark to Amsterdam by way of Reykjavík. Courteous and professional staff. Food was solid. Service - outstanding. Cabin was a little warm.

Good service. No complementary food for international flight. WiFi kinda pricey. Got the job done for the right price.

Still one of my favorite airlines, but the entertainment options were a bit lacking. It didn't help that my screen didn't work on one of the legs of the trip.

The plane was very small and the aisle was so narrow that every time someone walked by they rubbed against me, so it was very uncomfortable.

Everything was good. Only issue comes from being vegan and flying. The food options are super limited.

Overall good for an economy fare. IMO the movie selection could be improved. Great that you can now connect bluetooth headphones to the entertainment system.

For a four hour flight, I was disappointed that everything was for purchase except for coffee, tea, or water. The disembarking in Iceland was so inefficient and time-consuming. We landed and stopped in the middle of the tarmac, had to disembark in the rain, and then squeeze into a bus which took us to the airport. Crazy! How does that work in winter?

Paid for a Premium seat...minimal recline, no footrest. Maybe slightly wider than a cheap economy seat. Zero chance of getting any rest on this plane

Seats in premier saga class were narrow and hard. Very uncomfortable for a 5-hour flight.

Everything you need to know for your flight to Ireland

Cabin class types available on flights to Ireland

Cabin classes available on flights to Ireland. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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