$186 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 2/28. 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 to Ireland

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Dublin
Dublinnonstop$350
Shannon
Shannonnonstop$354
Cork
Cork1 stop$366
Knock
Knock2 stops$609
Donegal
Donegal2 stops$711
Dublin
Dublinnonstop$350
Shannon
Shannonnonstop$354
Cork
Cork1 stop$366
Knock
Knock2 stops$609
Donegal
Donegal2 stops$711

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

Mon, Mar 9 - Mon, Mar 16
Delta Logo
10:15 pm - 8:45 am
JFK
-
DUB
6h 30mnonstop
Delta Logo
10:45 am - 2:18 pm
DUB
-
JFK
7h 33mnonstop
$350Delta
Thu, Feb 26 - Sun, Mar 1
United Airlines Logo
7:55 pm - 7:30 am
EWR
-
DUB
6h 35mnonstop
United Airlines Logo
1:35 pm - 4:25 pm
DUB
-
EWR
7h 50mnonstop
$350United Airlines
Wed, Apr 22 - Fri, May 1
JetBlue Logo
9:02 pm - 8:20 am
BOS
-
DUB
6h 18mnonstop
JetBlue Logo
10:40 am - 12:39 pm
DUB
-
BOS
6h 59mnonstop
$353JetBlue
Sun, Apr 26 - Wed, May 6
JetBlue Logo
9:02 pm - 8:20 am
BOS
-
DUB
6h 18mnonstop
JetBlue Logo
10:40 am - 12:39 pm
DUB
-
BOS
6h 59mnonstop
$356JetBlue
Tue, Apr 7 - Fri, Apr 17
Icelandair Logo
7:25 pm - 11:05 am
ORD
-
DUB
9h 40m
1 stop
Icelandair Logo
12:15 pm - 9:25 pm
DUB
-
ORD
15h 10m
1 stop
$440Icelandair
Tue, Mar 3 - Sat, Mar 7
Icelandair Logo
6:30 pm - 10:15 am
ORD
-
DUB
9h 45m
1 stop
Icelandair Logo
11:30 am - 5:20 pm
DUB
-
ORD
11h 50m
1 stop
$441Icelandair
Tue, Apr 7 - Tue, Apr 14
American Airlines Logo
7:25 pm - 12:05 pm
PHL
-
DUB
11h 40m
1 stop
American Airlines Logo
12:40 pm - 3:00 pm
DUB
-
PHL
7h 20mnonstop
$469American Airlines
Sun, Apr 12 - Tue, Apr 21
Aer Lingus Logo
8:25 pm - 8:15 am
PHL
-
DUB
6h 50mnonstop
Aer Lingus Logo
4:10 pm - 6:55 pm
DUB
-
PHL
7h 45mnonstop
$471Aer Lingus
Mon, Apr 6 - Wed, Apr 15
Aer Lingus Logo
8:25 pm - 8:15 am
PHL
-
DUB
6h 50mnonstop
Aer Lingus Logo
4:10 pm - 6:55 pm
DUB
-
PHL
7h 45mnonstop
$475Aer Lingus
Wed, May 6 - Tue, May 12
American Airlines Logo
7:25 pm - 12:05 pm
PHL
-
DUB
11h 40m
1 stop
American Airlines Logo
8:35 am - 3:25 pm
DUB
-
PHL
11h 50m
1 stop
$476American Airlines
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 $350 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 $350.

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 $575 on average. The cheapest price found on KAYAK in the last 2 weeks was $195 for the route Miami (MIA) to Dublin (DUB). The most popular routes on KAYAK are Boston to Dublin which costs $607 on average, and New York to Dublin, which costs $572 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 January, when tickets cost $602 (return) on average. On the other hand, the most expensive months are June and May, when the average cost of round-trip tickets is $1,053 and $930 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 21% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 19 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 Dublin Airport (DUB), with an average flight price of $445.

Good to know

Low seasonJanuary
Cheapest flight$186
Best time to beat the crowds with an average 17% drop in price.
Most popular time to fly and prices are also 10% lower on average.
Flight from Chicago O'Hare Airport to Dublin

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

Insights shared by verified travelers who flew to Ireland 
LisaFlew with Aer Lingus
BOS
-
DUB
Dec 2025
Look at Jet Blue and Delta. May be a bit more expensive but keep an eye out for fare reductions and book early.
Mary MargaretFlew with Aer Lingus
IAD
-
DUB
Jun 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 Lingus
BOS
-
DUB
Jul 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 Lingus
EWR
-
DUB
Jun 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 Lingus
BOS
-
DUB
May 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 Wednesday where round-trip tickets can be as cheap as $680. On the other hand, the most expensive day to fly is Friday, where round-trip prices are $767 on average.

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

    The cheapest time of day to fly to Ireland is generally at night, when round-trip flights cost $776 on average. The most expensive time of day to fly to Ireland is generally in the evening, which is peak travel time and where the average cost of a ticket is $812.

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 Washington, D.C. Dulles Intl $919, from Boston $981, from Newark $1,056
  • 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.
7.9
DeltaOverall score based on 8208 reviews
8.1Boarding
8.5Crew
7.2Food
7.9Comfort
7.8Entertainment
Airline reviews

First flight out and was 85 minutes delayed. Notification came out way too late

4.0 OkayJason, Feb 2026
SEA - SLC
Read more Delta reviews

First flight out and was 85 minutes delayed. Notification came out way too late

Delta flights recently are always delayed AND at jfk tney get the gates further away (need To walk 20’ to get to them/all the way at the end of the terminal). Not sure whats happening but price doesnt match experience!

Everything I mentioned earlier - the airbus was more comfortable indeed and the experience was further enhanced.

Delta continues to set the benchmark for traveler-friendly service with minimal disruption and clear communication within the mainland US (coast to coast). I am consistently pleased to be a Delta customer, and this experience once again met my expectations. There was a brief delay departing from MIA due to a technical issue that required the aircraft to return to the gate. However, the situation was handled professionally and transparently. Fortunately, my planned layover allowed ample buffer time, so the adjustment caused no stress. Overall, another smooth and reassuring experience.

Good experience and the flight landed early. There was no food I had or entertainment.

Flight was delayed and no reasons provided. After the passengers were boarded, the crew made announcement that the captain has jot arrived and he would take another 15 mins. All passengers patiently sat until the captain came and started. Terrible experience!

Flight was delayed. No information on why it was delayed. After we boarded the flight, , the crew made announcement that the captain hs not arrived and he will take 15 mins more to arrive. Passengers were just sitting patiently for the captain to arrive and start, Terrible experience.

Totally worth the miles to upgrade to Delta Comfort. Plenty of legroom.

This was my first time flying Delta ever and I had a great experience!

Smallest leg room I've ever had on a plane.

As great a red-eye flight as red-eye flights can be.

Once boarding started it was pretty quick. Food was inedible; cold and salty..

Entertainment kept turning itself off. Gave up on watching a movie.

Both the WIFI and entertainment did not work for 2.5h

The crew made our experience extremely bad. They were rude and didn’t have anything for kids.

Very old flight - time to retire it for newer airplanes

2+ hours delayed Outlet in row 12 did not work Tv monitors did not work Lights kept off the entire flight for at 5pm-7pm flight

Very disappointing given gate agent behavior. Filed a formal complaint with United.

Do not like the size of the overhead bin. I think staff should monitor the size of suitcases that are being carried on by passengers to ensure they meet the size requirement.

Crew was great (professional, attentive, prompt). Snacks for 4 hrs flight is deplorable.

No Snacks or Entertainment. The flight was short, snacks should still be given.

We lost a day of our vacation because AA did not get the plane to the gate on time. Even though the gate attendant was very clear that it was not weather related, AA would do nothing because there was some snow that day. They basically said the gate attendant was wrong even though she was on the front line of the situation and they were not.

See prior comment about how Kayak mishandled my reservation and delayed my arrival by 6 hours.

American Airlines was great and worked very hard to change my ticket so I could get an earlier, direct flight back to Dallas. However, I was informed that Kayak made mistakes with my itinerary and classified my ticket as desiring to be on the earlier flight instead of taking the necessary step of calling AA to get me on the standby list. This ended up keeping me from being added to the standby list and delayed me getting home by 6 hours. I am happy to discuss this further with Kayak so they can correct their procedures so this won't happen again.

The flight was fine. It's the satellite terminal that supports American eagle flights is what sucks. There is only one food option and everything there is way overpriced. I mean I know it's airport pricing, but it's even crazier than that. I bought a sandwich in a plastic container for $18.

Overall it was a good flight. Because we traveled on a Saturday we were upgraded to FC since my wife and I are both Executive Platinum. The only areas for improvement we noted are better snack assortment and perhaps a little nicer plane as American is flying some older planes now. Everything else on this flight was excellent, which is frankly not the norm for American since we have had multiple issues on prior AA flights.

The smell from the bathroom kept wafting through the cabin. It made people sick.

The flight was really crowded. Flight attendants were just ok.

Boarding delayed 20 minutes for no reason, no wifi, in flight entertainment, or snacks / waters?

Didn't get a seat assignment until the last minute even though i picked a seat.

Punctual, smooth flight. Crew excellent and cabin very clean. Paid for WiFi but once you close out you cannot get back in even if you paid for entire flight.

Flight crew was superb. Meal was one of the meals at altitude I’ve had

One of the best flight experience I have had in along time. Would fly with them again.

Like getting a bus. No great luxury but will get you there

Got us to destination alive, albeit a bit late. Luggage was left behind. No live tracking app available (available on some other airlines). Supposedly going to be delivered in next couple of days.

The trip was mostly nice, till the last moment when they had some issue with opening the flight door. The flight arrived late by 10 minutes, which was ok-ish, but then we got stuck on the plane for 35 minutes at the bridge and that costed our connection flight to LAX which left with 12+ passengers still on our flight. It added 2 days to our trip home, and we had to make lots of rearrangements to deal with the ripple effects. Don't book a 1+ stop trip with a layover time less than 2 hours.

My seat was broken. No sound available and the armrest between my wife and I was broken so it could only fold halfway up. Seats were a big close together so they felt a bit claustrophobic. Boarding was a little frustrating in Dublin as there is not sufficient room to actually queue up. Boarding was also frustrating for people behind me who were unable to use the overhead due to people abusing the privilege and putting more than one item each up there. Staff was friendly and helpful to those people.

The staff was amazing, so friendly and responsive. Check in was tedious as the online service was not available and the desk understaffed. It took a full hour in line to check in. The seats, in economy, where quite spacious until the people in front of us reclined their seats which then meant the seat was touching our knees. The inconsiderate people who were seated in a bulkhead kept their seats reclined for 80% of the flight and then got annoyed when we bumped their seats while shifting positions. It was highly unpleasant..

The connection time between the regional flight (from Newcastle) to an international flight (to The States) was too short. To require as second security scan and customs clearance within an hour and 20 mins is not enough time to make the actual connection. We had a final boarding call the minute we walked out of US customs and had to sprint (with two small children) through 20 gates to make it in time before the door closed. The concept is great in theory to clear customs before leaving Europe, but the timing needs to be adjusted. We travel abroad frequently and won’t be using this route again. Thanks.

Canceled my flight couple hours before takeoff. They could not find a decent re-routing and refused to pay for when i subjected alternative with Lufthansa.

My flight got delayed and eventually canceled, then rescheduled. I and several others had a connection from Boston to Paris and asked several times if we would make it. They assured us we would and then rebooked us mid flight without our consent and closed doors early even though they said they communicated we were a bit delayed. We got stranded in Boston and I opted with being rebooked for a different connection to France since they refused to pay for a Hotel. I've now been in Europe for 5 days and still haven't recieved my bags. There was absolutely no urgency for the fact that I'm in a foreign country with absolutely no change of clothes or any of my medication. Such an overwhelming and frustrating experience.

Automated scanning was slow and somewhat haphazard. Too many people were unfamiliar with the tech and were forced to learn on the fly. The hands off approach of the gate staff made it more uncomfortable. This needs work. Overall the flight and cabin crew were excellent.

The crew for the flight was A+ top notch. They were friendly and professional and made the flight a very relaxing and enjoable.

Rude crew member. She seemed annoyed at me without me saying a single word. Also loudly admonished me for having my bag next to my seat instead of tucked away before landing. Just telling me to put it away and guiding me without giving me a lecture would have been enough.

No included food for a 5 hour flight and the entertainment was only accessible if you had wired headphones (not provided). Otherwise though, great and smooth flying and customer service.

Crew were fantastic and so catering and wonderful! Full score for the entire crew!

Because of weather and mechanical issues our flight was 4 hours late. The only compensation offered to us was a meal voucher to be used only at Boston Airport and only on the day issued. But by the time it was offered to us all the restaurants were closed, so there was no way to use that offer.

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.

Everything you need to know for your flight to Ireland