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Cheap flights from Ireland to the United States from £251

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LAX
14 12월 — 21 12월1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to USA

Keep the following information in mind while searching for Ireland to USA flight deals. Data was last updated 14 11월 2025.

Round-trip from

£243

Popular in

July

Cheapest in

February

Average price

£362

Good round-trip deal

£327 or less

Good one-way deal

£348 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 5/3-10/3
  • 3 total stops
  • 43h 00m total
  • Ireland to USA
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Highest demand for flights based on searches. 14% potential increase in price (£52 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Ireland to USA.
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Price to beat on a one-way flight from Ireland to USA.
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Find 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 14 11월 2025.

수 3/1211:30DUB - EWR
1 stop31h 05mScandinavian Airlines
일 7/1217:40EWR - DUB
1 stop12h 05mScandinavian Airlines
Deal found 12/11£251
목 4/1211:30DUB - EWR
2 stops30h 55mScandinavian Airlines
월 8/1217:40EWR - DUB
1 stop12h 05mScandinavian Airlines
Deal found 13/11£254
금 5/1218:55DUB - EWR
1 stop23h 40mScandinavian Airlines
토 13/1217:40EWR - DUB
1 stop11h 30mScandinavian Airlines
Deal found 13/11£261
목 4/1211:30DUB - EWR
2 stops30h 55mScandinavian Airlines
목 11/1217:40EWR - DUB
1 stop12h 05mScandinavian Airlines
Deal found 13/11£267
금 5/1218:55DUB - EWR
1 stop23h 40mScandinavian Airlines
수 10/1218:30EWR - DUB
1 stop11h 00mScandinavian Airlines
Deal found 13/11£268
화 2/1219:05DUB - EWR
2 stops23h 20mScandinavian Airlines
화 9/1217:30EWR - DUB
1 stop13h 15mScandinavian Airlines
Deal found 12/11£270
금 5/1218:55DUB - EWR
1 stop23h 40mScandinavian Airlines
목 11/1217:40EWR - DUB
1 stop12h 05mScandinavian Airlines
Deal found 13/11£271
수 3/1211:30DUB - BOS
1 stop11h 20mIcelandair
일 14/1219:50BOS - DUB
1 stop9h 25mIcelandair
Deal found 13/11£299
수 10/1219:05DUB - JFK
1 stop25h 40mScandinavian Airlines
수 11/217:35JFK - DUB
1 stop13h 10mScandinavian Airlines
Deal found 12/11£302
금 5/1219:05DUB - JFK
1 stop25h 40mScandinavian Airlines
월 8/1217:35JFK - DUB
1 stop13h 10mScandinavian Airlines
Deal found 13/11£304
수 3/1219:05DUB - JFK
1 stop25h 40mScandinavian Airlines
월 8/1217:35JFK - DUB
2 stops36h 10mScandinavian Airlines
Deal found 13/11£308
금 5/1211:10DUB - BOS
1 stop14h 00mTAP AIR PORTUGAL
목 11/1222:45BOS - DUB
1 stop30h 35mTAP AIR PORTUGAL
Deal found 12/11£309

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 14 11월 2025.
Use the filters below to find and compare flights from Ireland to the United States that are best for you.

Fly from

Ireland

Fly to

USA

Route

Depart

Return

Price

DublinNewark

DUB - EWR

DUBEWR

Dublin

일 22/2

19:05-15:40

1 stop25h 35m

Newark

토 7/3

17:40-10:10

1 stop11h 30m

£267

DublinNewark

DUB - EWR

DUBEWR

Dublin

화 17/2

19:05-15:40

1 stop25h 35m

Newark

월 9/3

18:40-10:45

1 stop12h 05m

£267

DublinNewark

DUB - EWR

DUBEWR

Dublin

수 18/2

12:30-15:40

1 stop32h 10m

Newark

화 3/3

17:40-10:45

1 stop12h 05m

£267

DublinNewark

DUB - EWR

DUBEWR

Dublin

목 27/11

11:30-13:25

2 stops30h 55m

Newark

목 4/12

17:40-10:45

1 stop12h 05m

£274

DublinNewark

DUB - EWR

DUBEWR

Dublin

월 12/1

12:30-15:40

2 stops32h 10m

Newark

금 16/1

17:40-09:25

2 stops34h 45m

£274

DublinNewark

DUB - EWR

DUBEWR

Dublin

수 18/2

12:30-15:40

1 stop32h 10m

Newark

일 8/3

18:30-18:20

1 stop19h 50m

£276

DublinNewark

DUB - EWR

DUBEWR

Dublin

목 19/2

19:05-15:40

1 stop25h 35m

Newark

일 8/3

18:30-18:20

1 stop19h 50m

£276

DublinBoston

DUB - BOS

DUBBOS

Dublin

금 5/12

11:10-20:10

1 stop14h 00m

Boston Logan Intl

목 11/12

22:45-10:20

1 stop30h 35m

£309

DublinPhiladelphia

DUB - PHL

DUBPHL

Dublin

목 4/12

11:30-14:00

Nonstop7h 30m

Philadelphia

월 8/12

19:50-17:05

1 stop16h 15m

£342

DublinNew York

DUB - JFK

DUBJFK

Dublin

월 23/2

15:10-22:05

1 stop11h 55m

New York John F Kennedy Intl

일 8/3

21:05-15:05

1 stop14h 00m

£346

Flights are sorted by cheapest return flights first.

Deals found on 13/11

Showing 1-10 of 60 results
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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, February is the cheapest month in which you can book a flight from Ireland to USA (average of £216). Flying from Ireland to USA in July is currently the most expensive (average of £358). 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 14 11월 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 23% 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 2 November 2025.

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

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 14 11월 2025.
See what other customers who have flown with KLM, United Airlines, andAmerican Airlines 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.
KLM
7.7
Good
1,411 reviews
Check prices

Food

7.3

Overall

7.7

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,411 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Food

7.3

Overall

7.7

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
United Airlines
7.4
Good
9,017 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Food

7.3

Overall

7.7

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
American Airlines
7.2
Good
11,051 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Food

7.3

Overall

7.7

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Aer Lingus
7.2
Good
1,370 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Food

7.3

Overall

7.7

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,521 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Food

7.3

Overall

7.7

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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?

    Within the past month, 347 users have taken a look at flights from Ireland to United States.

  • How long is the flight from Ireland to USA?

    For as low as £342, Scandinavian Airlines can have you in USA from Ireland in 7h 30m. The distance between Ireland and USA is about 3262 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 Scandinavian Airlines (£270), LEVEL (£273), and WestJet (£290).

  • 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, February is the cheapest month in which you can book a flight from Ireland to USA (average of £216). Flying from Ireland to USA in July is currently the most expensive (average of £358). 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

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Alternative routes for Ireland to USA

See prices for flight routes from nearby airports that may be better suited for you.
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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 14 11월 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£223Average£266FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
Scandinavian AirlinesCheapest£232Average£357FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
IcelandairCheapest£257Average£420FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£271Average£447FlexibilityNo cancel feeOn-time70%
Search British Airways flights
TAP AIR PORTUGALCheapest£280Average£368FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
KLMCheapest£282Average£495FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£298Average£522FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air FranceCheapest£301Average£527FlexibilityNo cancel feeOn-time77%
Search Air France flights
LufthansaCheapest£307Average£492FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IberiaCheapest£329Average£493FlexibilityNo cancel feeOn-time77%
Search Iberia 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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