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Cheap flights from Ireland to the United States from £204

This is the cheapest one-way 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 18/9. 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

Scandinavian Airlines Logo
18:55 - 13:35DUB-EWR
23h 40m1 stop
Scandinavian Airlines Logo
18:30 - 11:20EWR-DUB
11h 50m1 stop
£208Scandinavian Airlines
Find Deal
Fri, 5 Dec - Sat, 13 Dec
Scandinavian Airlines Logo
18:55 - 13:25DUB-EWR
23h 30m2 stops
Scandinavian Airlines Logo
18:30 - 11:20EWR-DUB
11h 50m1 stop
£211Scandinavian Airlines
Find Deal
Fri, 5 Dec - Sat, 13 Dec
British Airways Logo
19:25 - 14:15DUB-PHL
22h 50m1 stop
British Airways Logo
19:45 - 14:20PHL-DUB
13h 35m1 stop
£324British Airways
Find Deal
Sun, 26 Oct - Sun, 2 Nov
British Airways Logo
08:50 - 17:15DUB-PHL
12h 25m1 stop
British Airways Logo
18:35 - 09:50PHL-DUB
10h 15m1 stop
£333British Airways
Find Deal
Mon, 27 Oct - Sun, 2 Nov
KLM Logo
09:45 - 22:13DUB-PHL
16h 28m1 stop
KLM Logo
12:35 - 08:45PHL-DUB
15h 10m2 stops
£334KLM
Find Deal
Sun, 26 Oct - Sat, 22 Nov
Aer Lingus Logo
11:35 - 14:00DUB-ORD
8h 25mdirect
Aer Lingus Logo
15:45 - 05:10ORD-DUB
7h 25mdirect
£342Aer Lingus
Find Deal
Sat, 13 Sep - Sat, 27 Sep
Aer Lingus Logo
16:40 - 19:00DUB-ORD
8h 20mdirect
Aer Lingus Logo
15:45 - 05:10ORD-DUB
7h 25mdirect
£346Aer Lingus
Find Deal
Sun, 14 Sep - Sun, 21 Sep
United Airlines Logo
09:00 - 19:03DUB-LGA
15h 03m1 stop
United Airlines Logo
10:25 - 10:20LGA-DUB
18h 55m1 stop
£400United Airlines
Find Deal
Fri, 5 Dec - Sat, 13 Dec
United Airlines Logo
09:00 - 15:38DUB-LGA
11h 38m1 stop
United Airlines Logo
13:00 - 08:10LGA-DUB
14h 10m1 stop
£400United Airlines
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Wed, 28 Jan - Mon, 2 Feb
KLM Logo
11:30 - 18:32DUB-LGA
11h 02m1 stop
KLM Logo
18:00 - 09:20LGA-DUB
10h 20m1 stop
£401KLM
Find Deal
Mon, 27 Oct - Sun, 2 Nov

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
9 Sept
DUB18:50Dublin
27h 45m
1 stop
SFO14:35San Francisco
16 Sept
SFO18:45San Francisco
21h 10m
1 stop
DUB23:55Dublin
£339
Find similar
TAP AIR PORTUGAL
9 Sept
DUB18:50Dublin
27h 45m
1 stop
SFO14:35San Francisco
16 Sept
SFO18:45San Francisco
21h 10m
1 stop
DUB23:55Dublin
£342
Find similar
TAP AIR PORTUGAL
6 Nov
DUB04:25Dublin
19h 40m
1 stop
SFO16:05San Francisco
19 Nov
SFO16:35San Francisco
22h 45m
1 stop
DUB23:20Dublin
£342
Find similar

Scandinavian Airlines flights from Ireland to United States

Our best Scandinavian Airlines deals on Ireland to United States flight tickets
Scandinavian Airlines
5 Dec
DUB18:55Dublin
23h 40m
1 stop
EWR13:35Newark
13 Dec
EWR18:30Newark
11h 50m
1 stop
DUB11:20Dublin
£208
Find similar
Scandinavian Airlines
5 Dec
DUB18:55Dublin
23h 30m
2 stops
EWR13:25Newark
13 Dec
EWR18:30Newark
11h 50m
1 stop
DUB11:20Dublin
£211
Find similar
Scandinavian Airlines
3 Nov
DUB20:20Dublin
22h 15m
1 stop
EWR13:35Newark
8 Nov
EWR18:30Newark
11h 50m
1 stop
DUB11:20Dublin
£220
Find similar

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 1 August 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

Fri 5/12

18:55-13:35

1 stop23h 40m

Newark

Sat 13/12

18:30-11:20

1 stop11h 50m

£208

DublinNewark

DUB - EWR

DUBEWR

Dublin

Fri 5/12

18:55-13:25

2 stops23h 30m

Newark

Sat 13/12

18:30-11:20

1 stop11h 50m

£211

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Sun 26/10

19:25-14:15

1 stop22h 50m

Philadelphia

Sun 2/11

19:45-14:20

1 stop13h 35m

£324

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Mon 27/10

08:50-17:15

1 stop12h 25m

Philadelphia

Sun 2/11

18:35-09:50

1 stop10h 15m

£333

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

Sun 26/10

09:45-22:13

1 stop16h 28m

Philadelphia

Sat 22/11

12:35-08:45

2 stops15h 10m

£334

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 13/9

11:35-14:00

Nonstop8h 25m

Chicago O'Hare Intl

Sat 27/9

15:45-05:10

Nonstop7h 25m

£342

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 14/9

16:40-19:00

Nonstop8h 20m

Chicago O'Hare Intl

Sun 21/9

15:45-05:10

Nonstop7h 25m

£346

DublinNew York

DUB - LGA

DUBLGA

Dublin

Fri 5/12

09:00-19:03

1 stop15h 03m

New York LaGuardia

Sat 13/12

10:25-10:20

1 stop18h 55m

£400

DublinNew York

DUB - LGA

DUBLGA

Dublin

Wed 28/1

09:00-15:38

1 stop11h 38m

New York LaGuardia

Mon 2/2

13:00-08:10

1 stop14h 10m

£400

DublinNew York

DUB - LGA

DUBLGA

Dublin

Mon 27/10

11:30-18:32

1 stop11h 02m

New York LaGuardia

Sun 2/11

18:00-09:20

1 stop10h 20m

£401

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 £348. If you are unable to visit United States during the month of February, then departing from Ireland during the month January is also very affordable. Most momondo users find prices during this month for around £361.

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

According to our data, Wednesday is the cheapest day to fly to United States from Ireland. The lowest ticket price found for a Wednesday departure recently was £447. 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 £533.

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 £362. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £494 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 £430 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 £397 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 27% 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

£204

Fastest flight time

7h 15m

Direct flights

Every day

Airports in United States

8 airports
The best one-way flight to United States from Ireland in the past 72 hours is £204. The best return flight deal from Ireland to United States found on momondo in the last 72 hours is £208.
The fastest flight from Ireland to United States takes 7h 15m
Direct flights go from Ireland to United States every day.
There are 8 airports near United States: Chicago O'Hare Intl (ORD), Newark (EWR), Raleigh-Durham (RDU), Philadelphia (PHL), Detroit Metropolitan Wayne County (DTW), New York LaGuardia (LGA), Orlando (MCO), 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 £211Free CancellationRating
7.0
102 reviews
Search PLAY flights
Scandinavian AirlinesPriceFrom £232Free CancellationRating
7.3
1,457 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom £255Free CancellationRating
7.0
520 reviews
Search Icelandair flights
British AirwaysPriceFrom £271Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
JetBluePriceFrom £278Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
TAP AIR PORTUGALPriceFrom £281Free CancellationRating
7.1
1,933 reviews
Search TAP AIR PORTUGAL flights
KLMPriceFrom £285Free CancellationRating
7.8
1,383 reviews
Search KLM flights
Aer LingusPriceFrom £299Free CancellationRating
7.1
1,192 reviews
Search Aer Lingus flights
Air FrancePriceFrom £300Free CancellationRating
7.5
1,465 reviews
Search Air France flights
LufthansaPriceFrom £315Free CancellationRating
6.8
7,275 reviews
Search Lufthansa 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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