Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from the United States to Ireland from €154

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Ireland departing on 22/10. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise 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 the United States to Ireland

Recent return flight deals from the United States to Ireland

Aer Lingus Logo
17:00 - 04:20JFK-DUB
6h 20mdirect
Aer Lingus Logo
16:45 - 19:25DUB-JFK
7h 40mdirect
€286Aer Lingus
Find Deal
Wed, 5 Nov - Tue, 11 Nov
Aer Lingus Logo
17:00 - 04:20JFK-DUB
6h 20mdirect
Aer Lingus Logo
16:45 - 19:25DUB-JFK
7h 40mdirect
€287Aer Lingus
Find Deal
Sun, 9 Nov - Sat, 15 Nov
American Airlines Logo
19:25 - 11:15BOS-DUB
10h 50m1 stop
American Airlines Logo
11:30 - 17:24DUB-BOS
10h 54m1 stop
€290American Airlines
Find Deal
Wed, 5 Nov - Fri, 14 Nov
Delta Logo
17:40 - 15:45JFK-DUB
18h 05m2 stops
Delta Logo
10:45 - 13:20DUB-JFK
7h 35mdirect
€290Delta
Find Deal
Wed, 29 Oct - Fri, 7 Nov
Delta Logo
22:05 - 09:20BOS-DUB
6h 15mdirect
Delta Logo
09:45 - 23:59DUB-BOS
19h 14m1 stop
€290Delta
Find Deal
Sun, 7 Dec - Thu, 18 Dec
United Airlines Logo
06:15 - 07:10LGA-DUB
19h 55m1 stop
United Airlines Logo
09:00 - 15:38DUB-LGA
11h 38m1 stop
€295United Airlines
Find Deal
Fri, 7 Nov - Fri, 14 Nov
United Airlines Logo
06:15 - 07:10BOS-DUB
19h 55m1 stop
United Airlines Logo
09:00 - 17:50DUB-BOS
37h 50m2 stops
€295United Airlines
Find Deal
Fri, 21 Nov - Sun, 30 Nov
American Airlines Logo
21:35 - 13:35BOS-DUB
11h 00m1 stop
American Airlines Logo
11:30 - 16:56DUB-BOS
10h 26m1 stop
€302American Airlines
Find Deal
Mon, 5 Jan - Sat, 17 Jan
British Airways Logo
18:50 - 09:40JFK-DUB
9h 50m1 stop
British Airways Logo
10:55 - 19:35DUB-JFK
13h 40m1 stop
€309British Airways
Find Deal
Wed, 31 Dec - Tue, 13 Jan
British Airways Logo
19:10 - 09:50JFK-DUB
9h 40m1 stop
British Airways Logo
20:40 - 11:20DUB-JFK
19h 40m1 stop
€322British Airways
Find Deal
Sun, 11 Jan - Sat, 17 Jan

Scandinavian Airlines flights from United States to Ireland

Our best Scandinavian Airlines deals on United States to Ireland flight tickets
Scandinavian Airlines
1 Mar
ORD19:20Chicago O'Hare Intl
17h 00m
1 stop
DUB18:20Dublin
5 Mar
DUB11:15Dublin
35h 40m
2 stops
ORD16:55Chicago O'Hare Intl
€412
Find similar
Scandinavian Airlines
27 Sept
SFO15:43San Francisco
36h 07m
2 stops
DUB11:50Dublin
25 Nov
DUB19:05Dublin
35h 50m
2 stops
SFO22:55San Francisco
€458
Find similar

Aer Lingus flights from United States to Ireland

Our best Aer Lingus deals on United States to Ireland flight tickets
Aer Lingus
5 Nov
JFK17:00New York John F Kennedy Intl
6h 20m
DUB04:20Dublin
11 Nov
DUB16:45Dublin
7h 40m
JFK19:25New York John F Kennedy Intl
€286
Find similar
Aer Lingus
9 Nov
JFK17:00New York John F Kennedy Intl
6h 20m
DUB04:20Dublin
15 Nov
DUB16:45Dublin
7h 40m
JFK19:25New York John F Kennedy Intl
€287
Find similar
Aer Lingus
13 Feb
JFK17:00New York John F Kennedy Intl
6h 20m
DUB04:20Dublin
16 Feb
DUB16:40Dublin
7h 49m
JFK19:29New York John F Kennedy Intl
€289
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from United States to Ireland 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 13,528 searches. Data last updated 18 September 2025.
Use the filters below to find and compare flights from the United States to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Wed 5/11

17:00-04:20

Nonstop6h 20m

Dublin

Tue 11/11

16:45-19:25

Nonstop7h 40m

€286

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Sun 9/11

17:00-04:20

Nonstop6h 20m

Dublin

Sat 15/11

16:45-19:25

Nonstop7h 40m

€287

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 5/11

19:25-11:15

1 stop10h 50m

Dublin

Fri 14/11

11:30-17:24

1 stop10h 54m

€290

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Wed 29/10

17:40-15:45

2 stops18h 05m

Dublin

Fri 7/11

10:45-13:20

Nonstop7h 35m

€290

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sun 7/12

22:05-09:20

Nonstop6h 15m

Dublin

Thu 18/12

09:45-23:59

1 stop19h 14m

€290

New YorkDublin

LGA - DUB

LGADUB

New York LaGuardia

Fri 7/11

06:15-07:10

1 stop19h 55m

Dublin

Fri 14/11

09:00-15:38

1 stop11h 38m

€295

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Fri 21/11

06:15-07:10

1 stop19h 55m

Dublin

Sun 30/11

09:00-17:50

2 stops37h 50m

€295

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 5/1

21:35-13:35

1 stop11h 00m

Dublin

Sat 17/1

11:30-16:56

1 stop10h 26m

€302

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Wed 31/12

18:50-09:40

1 stop9h 50m

Dublin

Tue 13/1

10:55-19:35

1 stop13h 40m

€309

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Sun 11/1

19:10-09:50

1 stop9h 40m

Dublin

Sat 17/1

20:40-11:20

1 stop19h 40m

€322

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Ireland from

How to get the cheapest flight ticket from United States to Ireland

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 Ireland?

The month of March is another great option to travel to Ireland, with average flight prices from United States averaging around €415.

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

The cheapest day to depart on your flight to Ireland is on a Friday when prices can be found for as low as €417. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around €874. These prices are subject to change though, so be sure to set up a Price Alert for flights to Ireland.

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

At midday is the cheapest time of day to fly from United States to Ireland when you can find flight prices for as low as €348. Flying to Ireland at midday is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Ireland is in the evening when prices are around €510.

What is the cheapest United States to Ireland flight route?

Fly from Newark to Dublin for the best United States - Ireland flight prices

How far in advance should I book a flight to Ireland?

You are more likely to see cheaper flights to Ireland from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around €512 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from United States for as low as €449 on momondo.

What cabin class options are available on United States to Ireland flights?

There are 4 cabin classes available to choose from on United States to Ireland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United States to Ireland flights?

No. A direct flight is the cheapest option for a flight between United States to Ireland.

Cheap United States to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to Ireland

Best price found

€209

Fastest flight time

5h 55m

Direct flights

Every day

Airports in Ireland

1 airport
The best one-way flight to Ireland from United States in the past 72 hours is €209. The best return flight deal from United States to Ireland found on momondo in the last 72 hours is €302.
The fastest flight from United States to Ireland takes 5h 55m
Direct flights go from United States to Ireland every day.
There is 1 airport near Ireland: Dublin (DUB)
Search flight deals

  • When did momondo last update prices for flights from United States to Ireland?

    Prices for flights from United States to Ireland are refreshed on a daily basis.

  • How many operators does momondo search for flights from United States to Ireland?

  • How old do you have to be to fly from United States to Ireland?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United States to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The required travel and health documents for your Ireland 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 licence and a passport valid for six months after your intended arrival at Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from United States to Ireland?

Best airlines flying from United States to Ireland

Compare and see reviews for airlines that fly from United States to Ireland with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom €302Free CancellationRating
7.2
1,277 reviews
Search Aer Lingus flights
United AirlinesPriceFrom €316Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
DeltaPriceFrom €410Free CancellationRating
7.9
7,961 reviews
Search Delta flights
KLMPriceFrom €430Free CancellationRating
7.8
1,386 reviews
Search KLM flights
American AirlinesPriceFrom €644Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from United States to Ireland?

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 United States to Ireland for you.

Can I find flights from United States to Ireland with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for United States to Ireland flights to just show those with flexible booking policies.

How can momondo help me find flights from United States to Ireland?

momondo provides multiple filters to help you find the best flight to Ireland from United States. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Ireland from United States. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Ireland trip

We make it super easy to schedule, organise 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
Sat 18/10
Sat 25/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland

Popular Cities in Ireland

Popular flights according to clicks in the last 7 days on momondo
Flights to Dublinfrom €38
Flights to Corkfrom €111
Flights to Shannon, Clarefrom €110
Flights to Donegalfrom €100
Flights to Milltown (Kerry)from €38