Cheap flights from Ireland to the United States from £205

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 28/4. 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 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.

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
19:50 - 13:15
DUB
-
EWR
22h 25m1 stop
Scandinavian Airlines Logo
17:30 - 19:10
EWR
-
DUB
20h 40m1 stop
£237Scandinavian Airlines
Mon, 27 Apr - Fri, 1 May
Scandinavian Airlines Logo
19:05 - 15:40
DUB
-
EWR
25h 35m1 stop
Scandinavian Airlines Logo
17:40 - 10:45
EWR
-
DUB
12h 05m1 stop
£245Scandinavian Airlines
Thu, 12 Feb - Mon, 16 Feb
KLM Logo
08:55 - 19:12
DUB
-
LAS
18h 17m2 stops
KLM Logo
09:25 - 09:15
LAS
-
DUB
15h 50m1 stop
£363KLM
Thu, 16 Apr - Tue, 21 Apr
KLM Logo
08:55 - 19:12
DUB
-
LAS
18h 17m2 stops
KLM Logo
11:30 - 12:40
LAS
-
DUB
17h 10m2 stops
£364KLM
Thu, 16 Apr - Tue, 21 Apr
British Airways Logo
13:00 - 21:29
DUB
-
LGA
13h 29m1 stop
British Airways Logo
15:01 - 11:15
LGA
-
DUB
15h 14m2 stops
£390British Airways
Wed, 4 Feb - Sun, 8 Feb
British Airways Logo
08:50 - 17:46
DUB
-
LGA
13h 56m2 stops
British Airways Logo
17:45 - 14:20
LGA
-
DUB
15h 35m2 stops
£403British Airways
Wed, 14 Jan - Sun, 25 Jan
Aer Lingus Logo
13:00 - 21:40
DUB
-
MCO
12h 40m1 stop
Aer Lingus Logo
20:55 - 09:00
MCO
-
DUB
8h 05mdirect
£441Aer Lingus
Mon, 16 Mar - Tue, 24 Mar
Aer Lingus Logo
06:30 - 11:35
DUB
-
SEA
13h 05m1 stop
Aer Lingus Logo
18:45 - 11:45
SEA
-
DUB
9h 00mdirect
£547Aer Lingus
Sun, 10 May - Sun, 17 May
United Airlines Logo
09:00 - 15:25
DUB
-
PVD
35h 25m2 stops
United Airlines Logo
09:40 - 08:10
PVD
-
DUB
17h 30m1 stop
£712United Airlines
Fri, 16 Jan - Mon, 19 Jan
United Airlines Logo
09:00 - 15:25
DUB
-
PVD
35h 25m2 stops
United Airlines Logo
09:40 - 08:10
PVD
-
DUB
17h 30m1 stop
£713United Airlines
Fri, 16 Jan - Mon, 19 Jan

KLM flights from Ireland to United States

Our best KLM deals on Ireland to United States flight tickets
KLM
16 Apr
DUB08:55Dublin
18h 17m
2 stops
LAS19:12Las Vegas Harry Reid Intl
21 Apr
LAS09:25Las Vegas Harry Reid Intl
15h 50m
1 stop
DUB09:15Dublin
KLM
16 Apr
DUB08:55Dublin
18h 17m
2 stops
LAS19:12Las Vegas Harry Reid Intl
21 Apr
LAS11:30Las Vegas Harry Reid Intl
17h 10m
2 stops
DUB12:40Dublin
KLM
16 Apr
DUB10:00Dublin
14h 23m
1 stop
LAS16:23Las Vegas Harry Reid Intl
21 Apr
LAS09:25Las Vegas Harry Reid Intl
15h 50m
1 stop
DUB09:15Dublin

United Airlines flights from Ireland to United States

Our best United Airlines deals on Ireland to United States flight tickets
United Airlines
16 Jan
DUB09:00Dublin
11h 57m
1 stop
BOS15:57Boston Logan Intl
19 Jan
BOS10:30Boston Logan Intl
16h 40m
2 stops
DUB08:10Dublin
United Airlines
24 Jan
DUB09:00Dublin
17h 57m
2 stops
BOS21:57Boston Logan Intl
31 Jan
BOS12:45Boston Logan Intl
13h 45m
2 stops
DUB07:30Dublin
United Airlines
12 Feb
DUB09:30Dublin
10h 42m
1 stop
BOS15:12Boston Logan Intl
19 Feb
BOS14:20Boston Logan Intl
12h 10m
2 stops
DUB07:30Dublin

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 12 December 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 27/4

19:50-13:15

1 stop22h 25m

Newark

Fri 1/5

17:30-19:10

1 stop20h 40m

£237

DublinNewark

DUB - EWR

DUBEWR

Dublin

Thu 12/2

19:05-15:40

1 stop25h 35m

Newark

Mon 16/2

17:40-10:45

1 stop12h 05m

£245

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 16/4

08:55-19:12

2 stops18h 17m

Las Vegas Harry Reid Intl

Tue 21/4

09:25-09:15

1 stop15h 50m

£363

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Thu 16/4

08:55-19:12

2 stops18h 17m

Las Vegas Harry Reid Intl

Tue 21/4

11:30-12:40

2 stops17h 10m

£364

DublinNew York

DUB - LGA

DUBLGA

Dublin

Wed 4/2

13:00-21:29

1 stop13h 29m

New York LaGuardia

Sun 8/2

15:01-11:15

2 stops15h 14m

£390

DublinNew York

DUB - LGA

DUBLGA

Dublin

Wed 14/1

08:50-17:46

2 stops13h 56m

New York LaGuardia

Sun 25/1

17:45-14:20

2 stops15h 35m

£403

DublinOrlando

DUB - MCO

DUBMCO

Dublin

Mon 16/3

13:00-21:40

1 stop12h 40m

Orlando

Tue 24/3

20:55-09:00

Nonstop8h 05m

£441

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sun 10/5

06:30-11:35

1 stop13h 05m

Seattle/Tacoma Intl

Sun 17/5

18:45-11:45

Nonstop9h 00m

£547

DublinProvidence

DUB - PVD

DUBPVD

Dublin

Fri 16/1

09:00-15:25

2 stops35h 25m

Providence-TFGreen

Mon 19/1

09:40-08:10

1 stop17h 30m

£712

DublinProvidence

DUB - PVD

DUBPVD

Dublin

Fri 16/1

09:00-15:25

2 stops35h 25m

Providence-TFGreen

Mon 19/1

09:40-08:10

1 stop17h 30m

£713

Flights are sorted by cheapest return flights first.

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

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 £334. 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 £344.

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 £436. 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 £515.

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 £389. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £489 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 £424 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 £378 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?

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

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

£189

Fastest flight time

7h 00m

Direct flights

Every day

Airports in United States

4,296 airports
The best one-way flight to United States from Ireland in the past 72 hours is £189. The best return flight deal from Ireland to United States found on momondo in the last 72 hours is £368.
The fastest flight from Ireland to United States takes 7h 00m
Direct flights go from Ireland to United States every day.
There are 4,296 airports in United States. From Ireland there are direct flights to Newark (EWR), Boston Logan Intl (BOS), New York John F Kennedy Intl (JFK).
  • 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 £218Free CancellationRating
7.0
103 reviews
Search PLAY flights
Scandinavian AirlinesPriceFrom £228Free CancellationRating
7.4
1,606 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom £262Free CancellationRating
7.0
589 reviews
Search Icelandair flights
British AirwaysPriceFrom £266Free CancellationRating
6.7
7,571 reviews
Search British Airways flights
TAP AIR PORTUGALPriceFrom £275Free CancellationRating
7.1
2,089 reviews
Search TAP AIR PORTUGAL flights
KLMPriceFrom £277Free CancellationRating
7.7
1,432 reviews
Search KLM flights
Aer LingusPriceFrom £291Free CancellationRating
7.2
1,394 reviews
Search Aer Lingus flights
Air FrancePriceFrom £297Free CancellationRating
7.4
1,504 reviews
Search Air France flights
LufthansaPriceFrom £305Free CancellationRating
6.8
7,626 reviews
Search Lufthansa flights
IberiaPriceFrom £323Free CancellationRating
7.0
3,048 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.

An easier way to manage your United States 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 11/1
Sun 18/1

Find better results for your trip to the United States

Popular Cities in the United States

Popular flights according to clicks in the last 7 days on momondo