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Cheap flights from the United States to Ireland from €184

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 3/2. 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

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Find the cheapest flights from the United States to Ireland

Recent return flight deals from the United States to Ireland

Enter your travel dates to find the best prices.
United Airlines Logo
06:00 - 10:20LGA-DUB
23h 20m1 stop
United Airlines Logo
09:00 - 08:07DUB-LGA
28h 07m1 stop
€287United Airlines
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Thu, 13 Nov - Mon, 17 Nov
Air Canada Logo
09:45 - 07:10JFK-DUB
16h 25m1 stop
Air Canada Logo
09:00 - 20:58DUB-JFK
16h 58m2 stops
€290Air Canada
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Thu, 27 Nov - Wed, 3 Dec
Multiple Airlines Logo
16:20 - 07:10LGA-DUB
9h 50m1 stop
Multiple Airlines Logo
08:00 - 22:33DUB-LGA
18h 33m1 stop
€290Multiple Airlines
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Thu, 5 Mar - Mon, 9 Mar
Multiple Airlines Logo
10:05 - 17:45JFK-DUB
26h 40m2 stops
Multiple Airlines Logo
09:00 - 20:58DUB-JFK
40h 58m2 stops
€291Multiple Airlines
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Sun, 8 Feb - Sun, 15 Feb
Aer Lingus Logo
17:10 - 04:15BOS-DUB
6h 05mdirect
Aer Lingus Logo
16:45 - 18:55DUB-BOS
7h 10mdirect
€295Aer Lingus
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Mon, 24 Nov - Wed, 3 Dec
Aer Lingus Logo
17:00 - 04:20JFK-DUB
6h 20mdirect
Aer Lingus Logo
14:00 - 16:50DUB-JFK
7h 50mdirect
€296Aer Lingus
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Thu, 4 Dec - Tue, 9 Dec
Delta Logo
15:40 - 07:45JFK-DUB
11h 05m1 stop
Delta Logo
10:45 - 13:20DUB-JFK
7h 35mdirect
€301Delta
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Mon, 24 Nov - Sat, 6 Dec
Delta Logo
21:20 - 08:45JFK-DUB
6h 25mdirect
Delta Logo
10:45 - 13:20DUB-JFK
7h 35mdirect
€303Delta
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Fri, 14 Nov - Wed, 3 Dec
American Airlines Logo
18:50 - 17:05SEA-DUB
14h 15m1 stop
American Airlines Logo
11:30 - 22:20DUB-SEA
18h 50m2 stops
€368American Airlines
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Mon, 5 Jan - Thu, 15 Jan
American Airlines Logo
18:35 - 09:10PHL-DUB
9h 35m1 stop
American Airlines Logo
11:30 - 13:55DUB-PHL
7h 25mdirect
€398American Airlines
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Fri, 14 Nov - Fri, 21 Nov

United Airlines flights from United States to Ireland

Our best United Airlines deals on United States to Ireland flight tickets
United Airlines
13 Nov
LGA06:00New York LaGuardia
23h 20m
1 stop
DUB10:20Dublin
17 Nov
DUB09:00Dublin
28h 07m
1 stop
LGA08:07New York LaGuardia
€287
Find similar
United Airlines
24 Mar
LGA06:00New York LaGuardia
24h 20m
1 stop
DUB10:20Dublin
30 Mar
DUB09:50Dublin
27h 15m
1 stop
LGA08:05New York LaGuardia
€290
Find similar
United Airlines
18 Feb
LGA20:15New York LaGuardia
30h 55m
1 stop
DUB08:10Dublin
22 Feb
DUB09:00Dublin
29h 13m
1 stop
LGA09:13New York LaGuardia
€291
Find similar

Air Canada flights from United States to Ireland

Our best Air Canada deals on United States to Ireland flight tickets
Air Canada
27 Nov
JFK09:45New York John F Kennedy Intl
16h 25m
1 stop
DUB07:10Dublin
3 Dec
DUB09:00Dublin
16h 58m
2 stops
JFK20:58New York John F Kennedy Intl
€290
Find similar
Air Canada
27 Nov
JFK10:05New York John F Kennedy Intl
16h 05m
2 stops
DUB07:10Dublin
3 Dec
DUB09:00Dublin
16h 58m
2 stops
JFK20:58New York John F Kennedy Intl
€292
Find similar
Air Canada
26 Nov
LGA19:50New York LaGuardia
30h 20m
1 stop
DUB07:10Dublin
6 Dec
DUB09:00Dublin
12h 59m
2 stops
LGA16:59New York LaGuardia
€303
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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 2 November 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

LGA - DUB

LGADUB

New York LaGuardia

Thu 13/11

06:00-10:20

1 stop23h 20m

Dublin

Mon 17/11

09:00-08:07

1 stop28h 07m

€287

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Thu 27/11

09:45-07:10

1 stop16h 25m

Dublin

Wed 3/12

09:00-20:58

2 stops16h 58m

€290

New YorkDublin

LGA - DUB

LGADUB

New York LaGuardia

Thu 5/3

16:20-07:10

1 stop9h 50m

Dublin

Mon 9/3

08:00-22:33

1 stop18h 33m

€290

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Sun 8/2

10:05-17:45

2 stops26h 40m

Dublin

Sun 15/2

09:00-20:58

2 stops40h 58m

€291

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 24/11

17:10-04:15

Nonstop6h 05m

Dublin

Wed 3/12

16:45-18:55

Nonstop7h 10m

€295

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Thu 4/12

17:00-04:20

Nonstop6h 20m

Dublin

Tue 9/12

14:00-16:50

Nonstop7h 50m

€296

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Mon 24/11

15:40-07:45

1 stop11h 05m

Dublin

Sat 6/12

10:45-13:20

Nonstop7h 35m

€301

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Fri 14/11

21:20-08:45

Nonstop6h 25m

Dublin

Wed 3/12

10:45-13:20

Nonstop7h 35m

€303

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 5/1

18:50-17:05

1 stop14h 15m

Dublin

Thu 15/1

11:30-22:20

2 stops18h 50m

€368

PhiladelphiaDublin

PHL - DUB

PHLDUB

Philadelphia

Fri 14/11

18:35-09:10

1 stop9h 35m

Dublin

Fri 21/11

11:30-13:55

Nonstop7h 25m

€398

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 January is another great option to travel to Ireland, with average flight prices from United States averaging around €411.

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 €428. 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 Tuesday because tickets tend to average around €589. 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 €357. 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 €524.

What is the cheapest United States to Ireland flight route?

Fly from New York John F Kennedy Intl 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 €514 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 €457 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 €362.
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 €311Free CancellationRating
7.2
1,365 reviews
Search Aer Lingus flights
United AirlinesPriceFrom €335Free CancellationRating
7.4
8,997 reviews
Search United Airlines flights
JetBluePriceFrom €362Free CancellationRating
7.2
2,907 reviews
Search JetBlue flights
DeltaPriceFrom €421Free CancellationRating
7.9
8,001 reviews
Search Delta flights
American AirlinesPriceFrom €661Free CancellationRating
7.2
11,036 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.
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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 €40
Flights to Corkfrom €115
Flights to Shannon, Clarefrom €128
Flights to Donegalfrom €219
Flights to Milltown (Kerry)from €40