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Cheap flights from Ireland to the United States from £239

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to the United States departing on 2/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ireland to the United States

Recent return flight deals from Ireland to the United States

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
20:20 - 13:35DUB-EWR
22h 15m1 stop
Scandinavian Airlines Logo
19:30 - 11:20EWR-DUB
11h 50m1 stop
£239Scandinavian Airlines
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Mon, 2 Mar - Sat, 14 Mar
Scandinavian Airlines Logo
18:55 - 13:35DUB-EWR
23h 40m1 stop
Scandinavian Airlines Logo
18:30 - 11:45EWR-DUB
12h 15m1 stop
£241Scandinavian Airlines
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Fri, 5 Dec - Sun, 7 Dec
British Airways Logo
20:40 - 13:30DUB-PHL
21h 50m1 stop
British Airways Logo
19:50 - 14:05PHL-DUB
13h 15m1 stop
£323British Airways
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Wed, 7 Jan - Wed, 28 Jan
KLM Logo
13:25 - 19:20DUB-JFK
10h 55m1 stop
KLM Logo
21:15 - 08:45JFK-DUB
6h 30mdirect
£341KLM
Find Deal
Sun, 7 Dec - Sun, 14 Dec
British Airways Logo
11:30 - 14:00DUB-PHL
7h 30mdirect
British Airways Logo
16:05 - 12:35PHL-DUB
15h 30m2 stops
£342British Airways
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Thu, 11 Dec - Mon, 15 Dec
United Airlines Logo
09:00 - 19:03DUB-LGA
15h 03m1 stop
United Airlines Logo
13:15 - 08:10LGA-DUB
13h 55m1 stop
£355United Airlines
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Mon, 12 Jan - Mon, 19 Jan
United Airlines Logo
09:00 - 15:38DUB-LGA
11h 38m1 stop
United Airlines Logo
11:15 - 08:10LGA-DUB
15h 55m1 stop
£356United Airlines
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Sat, 24 Jan - Sat, 31 Jan
KLM Logo
09:45 - 17:41DUB-LGA
12h 56m1 stop
KLM Logo
18:00 - 09:20LGA-DUB
10h 20m1 stop
£357KLM
Find Deal
Sun, 7 Dec - Sun, 14 Dec
Aer Lingus Logo
11:15 - 13:55DUB-JFK
7h 40mdirect
Aer Lingus Logo
17:00 - 04:20JFK-DUB
6h 20mdirect
£358Aer Lingus
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Tue, 24 Feb - Sun, 1 Mar
Aer Lingus Logo
16:40 - 19:29DUB-JFK
7h 49mdirect
Aer Lingus Logo
21:00 - 08:40JFK-DUB
6h 40mdirect
£360Aer Lingus
Find Deal
Fri, 9 Jan - Tue, 13 Jan

TAP AIR PORTUGAL flights from Ireland to United States

Our best TAP AIR PORTUGAL deals on Ireland to United States flight tickets
TAP AIR PORTUGAL
22 Apr
DUB10:45Dublin
14h 20m
1 stop
JFK20:05New York John F Kennedy Intl
27 Apr
JFK22:05New York John F Kennedy Intl
30h 55m
1 stop
DUB10:00Dublin
£312
Find similar
TAP AIR PORTUGAL
20 Nov
DUB04:25Dublin
17h 00m
1 stop
ORD15:25Chicago O'Hare Intl
23 Nov
ORD20:25Chicago O'Hare Intl
13h 45m
1 stop
DUB16:10Dublin
£461
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Icelandair flights from Ireland to United States

Our best Icelandair deals on Ireland to United States flight tickets
Icelandair
24 Feb
DUB11:30Dublin
11h 30m
1 stop
JFK18:00New York John F Kennedy Intl
1 Mar
JFK19:25New York John F Kennedy Intl
9h 50m
1 stop
DUB10:15Dublin
£330
Find similar
Icelandair
21 Nov
DUB11:30Dublin
11h 50m
1 stop
ORD17:20Chicago O'Hare Intl
24 Nov
ORD18:30Chicago O'Hare Intl
9h 45m
1 stop
DUB10:15Dublin
£365
Find similar
Icelandair
19 Nov
DUB11:30Dublin
11h 30m
1 stop
JFK18:00New York John F Kennedy Intl
28 Nov
JFK19:25New York John F Kennedy Intl
9h 50m
1 stop
DUB10:15Dublin
£386
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momondo Fare Finder

 
Customise your flight search to find flights from Ireland to United States 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 279,928 searches. Data last updated 7 November 2025.
Use the filters below to find and compare flights from Ireland to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinNewark

DUB - EWR

DUBEWR

Dublin

Mon 2/3

20:20-13:35

1 stop22h 15m

Newark

Sat 14/3

19:30-11:20

1 stop11h 50m

£239

DublinNewark

DUB - EWR

DUBEWR

Dublin

Fri 5/12

18:55-13:35

1 stop23h 40m

Newark

Sun 7/12

18:30-11:45

1 stop12h 15m

£241

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Wed 7/1

20:40-13:30

1 stop21h 50m

Philadelphia

Wed 28/1

19:50-14:05

1 stop13h 15m

£323

DublinNew York

DUB - JFK

DUBJFK

Dublin

Sun 7/12

13:25-19:20

1 stop10h 55m

New York John F Kennedy Intl

Sun 14/12

21:15-08:45

Nonstop6h 30m

£341

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Thu 11/12

11:30-14:00

Nonstop7h 30m

Philadelphia

Mon 15/12

16:05-12:35

2 stops15h 30m

£342

DublinNew York

DUB - LGA

DUBLGA

Dublin

Mon 12/1

09:00-19:03

1 stop15h 03m

New York LaGuardia

Mon 19/1

13:15-08:10

1 stop13h 55m

£355

DublinNew York

DUB - LGA

DUBLGA

Dublin

Sat 24/1

09:00-15:38

1 stop11h 38m

New York LaGuardia

Sat 31/1

11:15-08:10

1 stop15h 55m

£356

DublinNew York

DUB - LGA

DUBLGA

Dublin

Sun 7/12

09:45-17:41

1 stop12h 56m

New York LaGuardia

Sun 14/12

18:00-09:20

1 stop10h 20m

£357

DublinNew York

DUB - JFK

DUBJFK

Dublin

Tue 24/2

11:15-13:55

Nonstop7h 40m

New York John F Kennedy Intl

Sun 1/3

17:00-04:20

Nonstop6h 20m

£358

DublinNew York

DUB - JFK

DUBJFK

Dublin

Fri 9/1

16:40-19:29

Nonstop7h 49m

New York John F Kennedy Intl

Tue 13/1

21:00-08:40

Nonstop6h 40m

£360

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 the United States from

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

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 United States?

The month of February is, on average, the cheapest month to fly to United States from Ireland, with most prices found around £345. If you are unable to visit United States during the month of February, then departing from Ireland during the month September is also very affordable. Most momondo users find prices during this month for around £354.

What is the cheapest day to depart on your flight to United States?

According to our data, Thursday is the cheapest day to fly to United States from Ireland. The lowest ticket price found for a Thursday departure recently was £443. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to United States for around £527.

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

Our most recent data shows that the best time of day to fly to United States is in the evening. Flights from Ireland to United States during this time can be as low as £398. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £496 on average. Flights to United States from Ireland in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Ireland to United States flight route?

Fly from Dublin to New York John F Kennedy Intl for the best Ireland - United States flight prices

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

You are more likely to see cheaper flights to United States from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to United States for around £436 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from Ireland for as low as £384 on momondo.

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

There are 3 cabin classes available to choose from on Ireland to United States 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 Ireland to United States flights?

You could potentially save up to 12% on your flight if you consider stops on a Ireland to United States flight.

Cheap Ireland to United States flight deals and tips

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

Best price found

£349

Fastest flight time

7h 10m

Direct flights

Every day

Airports in United States

3 airports
The best one-way flight to United States from Ireland in the past 72 hours is £349. The best return flight deal from Ireland to United States found on momondo in the last 72 hours is £329.
The fastest flight from Ireland to United States takes 7h 10m
Direct flights go from Ireland to United States every day.
There are 3 airports near United States: Newark (EWR), Philadelphia (PHL), New York John F Kennedy Intl (JFK)
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  • When did momondo last update prices for flights from Ireland to United States?

    Prices for flights from Ireland to United States refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ireland to United States.

  • What documentation or ID do you need to fly to United States?

    The travel and health documents required for your trip to United States can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United States. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from Ireland to United States

Compare and see reviews for airlines that fly from Ireland to United States with momondo
Airline
Rating
Free Cancellation
Price
PLAYPriceFrom £224Free CancellationRating
7.0
103 reviews
Search PLAY flights
Scandinavian AirlinesPriceFrom £233Free CancellationRating
7.4
1,564 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom £258Free CancellationRating
7.1
572 reviews
Search Icelandair flights
British AirwaysPriceFrom £272Free CancellationRating
6.7
7,500 reviews
Search British Airways flights
TAP AIR PORTUGALPriceFrom £282Free CancellationRating
7.1
2,048 reviews
Search TAP AIR PORTUGAL flights
KLMPriceFrom £283Free CancellationRating
7.7
1,405 reviews
Search KLM flights
Aer LingusPriceFrom £300Free CancellationRating
7.2
1,365 reviews
Search Aer Lingus flights
Air FrancePriceFrom £303Free CancellationRating
7.4
1,484 reviews
Search Air France flights
LufthansaPriceFrom £308Free CancellationRating
6.8
7,558 reviews
Search Lufthansa flights
IberiaPriceFrom £330Free CancellationRating
7.0
3,007 reviews
Search Iberia flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ireland to United States. momondo saves you time and could save you money on your trip.

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

All flight searches from Ireland to United States on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Ireland to United States flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Ireland to United States flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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