Cheap flights from Ireland to the United States from £246

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LAX
9 Apr — 16 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to USA

Enter your travel dates to find the best prices.

Cheapest flights from Ireland to USA
Explore the most affordable flight options available from Ireland to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 March 2026.

Tue 21/410:30
DUB
-
BOS
1 stop11h 20m
British Airways
Tue 28/421:50
BOS
-
DUB
1 stop11h 45m
British Airways
Deal found 7/3£311
Wed 8/419:05
DUB
-
JFK
1 stop26h 55m
Scandinavian Airlines
Tue 14/417:10
JFK
-
DUB
1 stop12h 00m
Scandinavian Airlines
Deal found 6/3£320
Mon 27/419:50
DUB
-
JFK
2 stops24h 50m
Scandinavian Airlines
Mon 4/517:10
JFK
-
DUB
2 stops20h 10m
Scandinavian Airlines
Deal found 8/3£321
Tue 26/511:00
DUB
-
JFK
1 stop33h 40m
Scandinavian Airlines
Tue 9/618:55
JFK
-
DUB
1 stop18h 25m
Scandinavian Airlines
Deal found 6/3£322
Tue 7/419:05
DUB
-
JFK
2 stops25h 35m
Scandinavian Airlines
Mon 13/417:10
JFK
-
DUB
1 stop12h 00m
Scandinavian Airlines
Deal found 6/3£323
Tue 7/419:05
DUB
-
JFK
2 stops25h 35m
Scandinavian Airlines
Fri 10/418:55
JFK
-
DUB
2 stops19h 20m
Scandinavian Airlines
Deal found 5/3£323
Thu 10/1211:30
DUB
-
JFK
2 stops33h 15m
Scandinavian Airlines
Mon 14/1217:35
JFK
-
DUB
1 stop19h 45m
Scandinavian Airlines
Deal found 6/3£325
Wed 8/419:05
DUB
-
JFK
2 stops25h 35m
Scandinavian Airlines
Fri 17/418:55
JFK
-
DUB
1 stop18h 25m
Scandinavian Airlines
Deal found 6/3£326
Tue 21/419:05
DUB
-
ORD
1 stop27h 05m
Scandinavian Airlines
Mon 27/419:15
ORD
-
DUB
1 stop17h 05m
Scandinavian Airlines
Deal found 6/3£327
Thu 9/411:10
DUB
-
JFK
1 stop33h 30m
Scandinavian Airlines
Thu 11/618:55
JFK
-
DUB
1 stop33h 30m
Scandinavian Airlines
Deal found 6/3£327
Tue 21/419:05
DUB
-
JFK
2 stops25h 35m
Scandinavian Airlines
Mon 27/417:10
JFK
-
DUB
2 stops20h 10m
Scandinavian Airlines
Deal found 9/3£329
Mon 20/408:30
DUB
-
BOS
1 stop16h 35m
British Airways
Mon 27/421:50
BOS
-
DUB
1 stop16h 45m
British Airways
Deal found 8/3£338

Find flight deals from Ireland to USA

Keep the following information in mind while searching for Ireland to USA flight deals. Data was last updated 10 March 2026.

Round-trip from

£311

One-way from

£246

Popular in

July

Cheapest in

September

Average price

£419

Good round-trip deal

£346 or less

Good one-way deal

£333 or less
British Airways
  • British Airways
  • 21/4-28/4
  • 2 total stops
  • 23h 05m total
  • Ireland to USA
27/5
  • 27/5
  • 2 total stops
  • 30h 50m total
  • Ireland to USA
Highest demand for flights based on searches. 15% potential increase in price (£54 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from Ireland to USA.
Price to beat on a one-way flight from Ireland to USA.

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ireland to USA 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, Cheapflights users made 858,174 searches. Data last updated 10 March 2026.
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

Cheapest return flight

DublinNew York

DUB - JFK

DUBJFK

Dublin

Mon 27/4

09:40-19:10

1 stop14h 30m

New York John F Kennedy Intl

Mon 4/5

18:20-09:40

1 stop10h 20m

£331

DublinBoston

DUB - BOS

DUBBOS

Dublin

Wed 6/5

12:50-20:05

1 stop12h 15m

Boston Logan Intl

Sun 10/5

20:10-19:35

1 stop18h 25m

£340

DublinNew York

DUB - JFK

DUBJFK

Dublin

Mon 27/4

08:55-14:35

1 stop10h 40m

New York John F Kennedy Intl

Mon 4/5

21:20-09:15

Nonstop6h 55m

£354

DublinNew York

DUB - JFK

DUBJFK

Dublin

Mon 20/4

13:15-15:48

Nonstop7h 33m

New York John F Kennedy Intl

Mon 27/4

21:25-09:15

Nonstop6h 50m

£361

DublinNew York

DUB - LGA

DUBLGA

Dublin

Fri 17/4

15:00-22:19

1 stop12h 19m

New York LaGuardia

Sun 19/4

14:59-10:45

1 stop14h 46m

£365

DublinNew York

DUB - LGA

DUBLGA

Dublin

Wed 15/4

15:00-20:00

1 stop10h 00m

New York LaGuardia

Mon 20/4

20:00-10:45

1 stop9h 45m

£365

DublinBoston

DUB - BOS

DUBBOS

Dublin

Tue 1/9

12:40-15:35

1 stop31h 55m

Boston Logan Intl

Tue 8/9

17:40-18:20

1 stop19h 40m

£372

DublinBoston

DUB - BOS

DUBBOS

Dublin

Mon 31/8

19:50-15:35

2 stops24h 45m

Boston Logan Intl

Sun 6/9

17:40-19:05

2 stops20h 25m

£374
Fastest return journey

DublinBoston

DUB - BOS

DUBBOS

Dublin

Wed 6/5

10:40-12:39

Nonstop6h 59m

Boston Logan Intl

Sun 10/5

21:02-08:20

Nonstop6h 18m

£375

DublinNew York

DUB - JFK

DUBJFK

Dublin

Thu 16/4

05:55-13:53

1 stop12h 58m

New York John F Kennedy Intl

Sun 3/5

21:20-09:15

Nonstop6h 55m

£384

Flights are sorted by cheapest return flights first.

Deals found on 8/3

Showing 1-10 of 60 resultsSorted by cheapest first
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2
3
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6

Best time to book a flight from Ireland to USA

Have a flexible travel schedule? Discover the best time to fly to USA from Ireland with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ireland to the United States

What is the cheapest month to book a flight from Ireland to USA?

Currently, November is the cheapest month in which you can book a flight from Ireland to USA (average of £233). Flying from Ireland to USA in July is currently the most expensive (average of £350). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IE to US?

Find hourly flight availability from Ireland to USA. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 10 March 2026.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 15% on flights from Ireland to USA by exploring options for tickets in the evening.

What is the cheapest day to fly from Ireland to USA?

Use this chart to determine the cheapest time to fly return from Ireland to USA. Price data was last updated on 21 February 2026.

Travellers seeking maximum savings on their Ireland to USA flight should consider departing on Monday at midday when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How often are flights from Ireland to the United States delayed?

About 12% of weekly flights between Ireland and United States have experienced delays in the past year, with the average delay time being 145 minutes.

What is the most punctual flight time for Ireland to the United States flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Ireland to the United States flights?

Over the past year, Aer Lingus have had the lowest number of delays on this route, with just 10% of flights being delayed.

Reviews of airlines servicing USA

Get insights into the airlines that provide service to USA. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to USA. Reviews last updated 10 March 2026.
See what other customers who have flown with KLM,United Airlines, andAer Lingus from Ireland to the United States have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Overall

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Overall

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Overall

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Overall

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Overall

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Related info for your journey

Find useful and relevant information for your journey from Ireland to USA. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How popular is this Ireland to USA flight route?

  • How long is the flight from Ireland to USA?

    For as low as £354, British Airways can have you in USA from Ireland in 10h 40m. The distance between Ireland and USA is about 3169 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Ireland to USA one-way?

    The cheapet airlines for a one-way flight from Ireland to USA are Aer Lingus (£189), Icelandair (£222), and JetBlue (£236).

  • Can I find deals for flights from Ireland to USA that include hotel bookings?

    Yes. In addition to deals on Ireland to USA flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ireland to USA?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to USA.

  • Can I find deals for business class flights from Ireland to USA?

    Yes. Cheapflights offers flight deals from Ireland to USA by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ireland to USA?

    Currently, November is the cheapest month in which you can book a flight from Ireland to USA (average of £233). Flying from Ireland to USA in July is currently the most expensive (average of £350). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ireland to USA

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Ireland to USA

Discover the top 10 airlines that operate flights from Ireland to USA. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 10 March 2026.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£223Average£259FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
Scandinavian AirlinesCheapest£229Average£363FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
IcelandairCheapest£263Average£424FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
TAP AIR PORTUGALCheapest£278Average£362FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Aer LingusCheapest£298Average£531FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£303Average£427FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£306Average£504FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£310Average£519FlexibilityNo cancel feeOn-time75%
Search KLM flights
American AirlinesCheapest£313Average£559FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest£325Average£490FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ireland to USA?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ireland to USA. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Ireland to USA?

Cheapflights helps you find that perfect flight to USA from Ireland by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ireland to USA with no change fees?

Yes, we can. To see specific flights from Ireland to USA with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ireland to USA become cheaper?

Yes, Cheapflights offers price alerts on Ireland to USA flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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