How popular is this Ireland to USA flight route?

Within the past month, 379 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 £312, Scandinavian Airlines can have you in USA from Ireland in 14h 20m. 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 (£306), British Airways (£307), and Scandinavian Airlines (£313).

In terms of precipitation, rainfall in USA ranges from 71.0 - 114.0 inches per month. July is typically the wettest month, when rainfall can reach 114.0 mm. February is typically the driest time to visit USA when rainfall is around 71.0 mm.

If weather is an important factor for your trip to USA, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

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.

£204+ Cheap Flights from Ireland to the United States

Cheap flight deals from Ireland to USA

Round-trip from	£204
Popular in	July
Cheapest in	February
Average price	£345
Good round-trip deal	£335 or less
Good one-way deal	£310 or less

Scandinavian Airlines
10/11-20/11
2 total stops
41h 45m total
Ireland to USA

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (£47 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£6 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Price to beat on a round-trip flight from Ireland to USA.

Search Deals

Price to beat on a one-way flight from Ireland to USA.

Search Deals

Find flight deals from Ireland to USA

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 17 September 2025.

Mon 10/1120:20DUB - EWR

1 stop22h 15mScandinavian Airlines

Thu 20/1117:40EWR - DUB

1 stop19h 30mScandinavian Airlines

Deal found 16/9£204

Wed 26/1111:30DUB - EWR

1 stop31h 05mScandinavian Airlines

Wed 3/1218:30EWR - DUB

1 stop11h 00mScandinavian Airlines

Deal found 15/9£214

Thu 13/1111:15DUB - EWR

1 stop31h 10mScandinavian Airlines

Sun 16/1118:30EWR - DUB

1 stop12h 15mScandinavian Airlines

Deal found 16/9£217

Mon 10/1120:20DUB - EWR

1 stop22h 15mScandinavian Airlines

Thu 13/1117:30EWR - DUB

1 stop19h 50mScandinavian Airlines

Deal found 16/9£225

Fri 28/1118:55DUB - EWR

1 stop23h 40mScandinavian Airlines

Mon 1/1217:40EWR - DUB

1 stop12h 05mScandinavian Airlines

Deal found 15/9£227

Fri 31/1018:55DUB - EWR

1 stop23h 40mScandinavian Airlines

Fri 7/1118:30EWR - DUB

2 stops34h 40mScandinavian Airlines

Deal found 16/9£230

Wed 19/1111:30DUB - EWR

1 stop31h 05mScandinavian Airlines

Sat 29/1118:30EWR - DUB

1 stop11h 50mScandinavian Airlines

Deal found 15/9£232

Mon 10/1119:05DUB - JFK

1 stop25h 40mScandinavian Airlines

Thu 20/1117:35JFK - DUB

1 stop13h 10mScandinavian Airlines

Deal found 16/9£294

Sun 9/1109:45DUB - JFK

1 stop14h 20mMultiple Airlines

Sat 22/1118:25JFK - DUB

1 stop10h 25mMultiple Airlines

Deal found 15/9£298

Tue 7/1019:05DUB - JFK

2 stops25h 35mScandinavian Airlines

Sat 11/1017:10JFK - DUB

1 stop13h 20mScandinavian Airlines

Deal found 16/9£299

Sun 2/1109:45DUB - JFK

1 stop14h 20mMultiple Airlines

Sun 9/1118:25JFK - DUB

1 stop10h 25mMultiple Airlines

Deal found 15/9£300

Wed 3/1211:30DUB - JFK

1 stop11h 30mIcelandair

Tue 9/1219:25JFK - DUB

1 stop9h 50mIcelandair

Deal found 16/9£301

Best flights from Ireland to USA
Discover carefully curated flight deals from Ireland to USA that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2025.

Wed 26/1119:05DUB - EWR

2 stops23h 30mScandinavian Airlines

Wed 3/1218:30EWR - DUB

1 stop11h 00mScandinavian Airlines

Deal found 16/9£239

Thu 18/1209:45DUB - JFK

1 stop14h 20mFinnair

Tue 23/1222:45JFK - DUB

1 stop13h 35mFinnair

Deal found 16/9£312

Thu 27/1105:00DUB - LGA

2 stops18h 44mMultiple Airlines

Mon 1/1210:25LGA - DUB

1 stop18h 55mMultiple Airlines

Deal found 15/9£312

Mon 2/305:55DUB - JFK

1 stop14h 50mDelta

Mon 9/322:15JFK - DUB

Nonstop6h 30mDelta

Deal found 16/9£315

Sat 27/909:20DUB - EWR

1 stop10h 32mUnited Airlines

Mon 29/923:25EWR - DUB

Nonstop6h 45mUnited Airlines

Deal found 16/9£317

Fri 19/1211:30DUB - PHL

Nonstop7h 25mAmerican Airlines

Thu 1/118:35PHL - DUB

1 stop12h 50mAmerican Airlines

Deal found 15/9£324

Fri 19/1211:30DUB - PHL

Nonstop7h 25mBritish Airways

Sat 3/119:45PHL - DUB

1 stop14h 15mBritish Airways

Deal found 14/9£325

Thu 27/1111:45DUB - EWR

1 stop13h 40mLufthansa

Sun 30/1122:15EWR - DUB

Nonstop6h 40mLufthansa

Deal found 15/9£326

Tue 10/208:50DUB - MCO

1 stop13h 15mKLM

Tue 24/217:15MCO - DUB

1 stop10h 30mKLM

Deal found 15/9£375

Mon 10/1119:05DUB - EWR

2 stops23h 30mScandinavian Airlines

Thu 13/1118:30EWR - DUB

2 stops18h 50mScandinavian Airlines

Deal found 16/9£253

Wed 3/1219:05DUB - EWR

2 stops23h 30mScandinavian Airlines

Tue 9/1217:30EWR - DUB

2 stops36h 00mScandinavian Airlines

Deal found 16/9£276

Wed 25/213:25DUB - JFK

1 stop10h 55mMultiple Airlines

Mon 2/321:15JFK - DUB

Nonstop6h 30mMultiple Airlines

Deal found 15/9£315

Wed 26/1105:55DUB - JFK

1 stop18h 25mDelta

Wed 3/1221:15JFK - DUB

Nonstop6h 30mDelta

Deal found 15/9£315

Wed 26/1109:00DUB - EWR

1 stop10h 30mUnited Airlines

Sun 30/1122:15EWR - DUB

Nonstop6h 40mUnited Airlines

Deal found 15/9£318

Wed 12/1111:30DUB - PHL

Nonstop7h 25mAmerican Airlines

Sun 30/1119:45PHL - DUB

1 stop11h 30mAmerican Airlines

Deal found 16/9£325

Fri 19/1211:30DUB - PHL

Nonstop7h 25mBritish Airways

Sun 4/115:08PHL - DUB

2 stops16h 07mBritish Airways

Deal found 14/9£326

Thu 6/1105:00DUB - ORD

1 stop21h 05mLufthansa

Wed 12/1118:35ORD - DUB

Nonstop7h 35mLufthansa

Deal found 16/9£334

Tue 25/1119:05DUB - EWR

2 stops23h 20mScandinavian Airlines

Sun 30/1118:30EWR - DUB

2 stops18h 50mScandinavian Airlines

Deal found 16/9£284

Fri 28/1109:00DUB - LGA

1 stop13h 58mUnited Airlines

Mon 1/1219:29LGA - DUB

1 stop9h 51mUnited Airlines

Deal found 15/9£318

Mon 10/1110:45DUB - JFK

Nonstop7h 35mDelta

Thu 20/1121:20JFK - DUB

Nonstop6h 25mDelta

Deal found 16/9£323

Fri 19/1211:30DUB - PHL

Nonstop7h 25mBritish Airways

Thu 1/115:08PHL - DUB

2 stops16h 17mBritish Airways

Deal found 14/9£326

Fri 3/1008:35DUB - PHL

1 stop11h 55mAmerican Airlines

Mon 6/1020:00PHL - DUB

1 stop10h 50mAmerican Airlines

Deal found 16/9£327

Fri 19/1212:55DUB - PHL

1 stop15h 00mMultiple Airlines

Thu 1/119:45PHL - DUB

1 stop11h 40mMultiple Airlines

Deal found 15/9£330

Fri 31/1009:25DUB - ORD

1 stop16h 40mLufthansa

Fri 7/1118:35ORD - DUB

Nonstop7h 35mLufthansa

Deal found 15/9£334

Mon 9/205:55DUB - MCO

1 stop15h 55mKLM

Thu 26/213:45MCO - DUB

1 stop14h 00mKLM

Deal found 16/9£375

Tue 6/112:30DUB - EWR

1 stop32h 10mScandinavian Airlines

Sun 18/118:30EWR - DUB

1 stop12h 15mScandinavian Airlines

Deal found 16/9£289

Fri 28/1109:00DUB - LGA

1 stop11h 38mUnited Airlines

Tue 2/1214:15LGA - DUB

1 stop12h 55mUnited Airlines

Deal found 15/9£318

Wed 22/1005:55DUB - EWR

2 stops22h 15mDelta

Wed 29/1015:40EWR - DUB

2 stops20h 40mDelta

Deal found 16/9£324

Fri 19/1211:30DUB - PHL

Nonstop7h 25mBritish Airways

Tue 30/1215:08PHL - DUB

2 stops18h 12mBritish Airways

Deal found 14/9£326

Sat 27/1212:55DUB - PHL

1 stop27h 19mMultiple Airlines

Thu 8/118:35PHL - DUB

1 stop12h 50mMultiple Airlines

Deal found 15/9£330

Direct flights from Ireland to USA
Explore direct flight options from Ireland to USA based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 September 2025.

Mon 10/1113:15DUB - EWR

Nonstop8h 00mAer Lingus

Thu 20/1117:45EWR - DUB

Nonstop6h 30mAer Lingus

Deal found 16/9£287

Mon 2/313:15DUB - EWR

Nonstop8h 00mAer Lingus

Wed 11/318:45EWR - DUB

Nonstop6h 30mAer Lingus

Deal found 16/9£299

Wed 22/1013:35DUB - EWR

Nonstop7h 40mLufthansa

Wed 29/1023:15EWR - DUB

Nonstop6h 40mLufthansa

Deal found 15/9£301

Fri 3/1016:20DUB - PHL

Nonstop7h 40mAer Lingus

Mon 6/1020:30PHL - DUB

Nonstop6h 40mAer Lingus

Deal found 16/9£304

Mon 6/1016:45DUB - JFK

Nonstop7h 35mAer Lingus

Thu 12/318:00JFK - DUB

Nonstop6h 20mAer Lingus

Deal found 15/9£306

Thu 27/1109:30DUB - EWR

Nonstop7h 30mAustrian Airlines

Mon 1/1219:55EWR - DUB

Nonstop6h 35mAustrian Airlines

Deal found 15/9£315

Fri 21/1116:45DUB - JFK

Nonstop7h 40mAer Lingus

Wed 26/1117:00JFK - DUB

Nonstop6h 20mAer Lingus

Deal found 16/9£317

Mon 10/1113:15DUB - EWR

Nonstop8h 00mAer Lingus

Thu 13/1117:45EWR - DUB

Nonstop6h 30mAer Lingus

Deal found 16/9£318

Mon 10/1116:45DUB - JFK

Nonstop7h 40mAer Lingus

Thu 13/1117:00JFK - DUB

Nonstop6h 20mAer Lingus

Deal found 16/9£318

Tue 21/1013:25DUB - EWR

Nonstop7h 40mAer Lingus

Sat 25/1018:30EWR - DUB

Nonstop6h 25mAer Lingus

Deal found 16/9£320

Mon 3/1109:30DUB - EWR

Nonstop7h 30mUnited Airlines

Wed 12/1119:55EWR - DUB

Nonstop6h 35mUnited Airlines

Deal found 15/9£321

Wed 26/1109:30DUB - EWR

Nonstop7h 30mUnited Airlines

Tue 2/1222:15EWR - DUB

Nonstop6h 40mUnited Airlines

Deal found 15/9£322

Last-minute flights from Ireland to USA
Discover last-minute flight deals from Ireland to USA. Data last updated 17 September 2025 and is based on user searches.

Fri 3/1016:20DUB - PHL

Nonstop7h 40mAer Lingus

Mon 6/1020:30PHL - DUB

Nonstop6h 40mAer Lingus

Deal found 16/9£304

Mon 6/1012:20DUB - EWR

2 stops29h 55mScandinavian Airlines

Thu 12/318:40EWR - DUB

1 stop19h 30mScandinavian Airlines

Deal found 16/9£248

Mon 6/1019:05DUB - EWR

2 stops23h 10mScandinavian Airlines

Sat 11/1017:30EWR - DUB

1 stop19h 55mScandinavian Airlines

Deal found 15/9£257

Mon 6/1012:20DUB - JFK

1 stop32h 20mScandinavian Airlines

Thu 12/318:35JFK - DUB

2 stops19h 35mScandinavian Airlines

Deal found 16/9£304

Mon 6/1016:45DUB - JFK

Nonstop7h 35mAer Lingus

Thu 12/318:00JFK - DUB

Nonstop6h 20mAer Lingus

Deal found 15/9£306

Tue 7/1019:05DUB - JFK

2 stops25h 35mScandinavian Airlines

Sat 11/1017:10JFK - DUB

1 stop13h 20mScandinavian Airlines

Deal found 16/9£299

Thu 9/1012:40DUB - EWR

2 stops29h 35mScandinavian Airlines

Thu 23/1018:50EWR - DUB

2 stops19h 20mScandinavian Airlines

Deal found 16/9£260

Wed 22/1011:45DUB - EWR

1 stop30h 30mScandinavian Airlines

Wed 29/1019:30EWR - DUB

1 stop11h 00mScandinavian Airlines

Deal found 16/9£252

Mon 27/1020:20DUB - JFK

2 stops24h 25mScandinavian Airlines

Wed 5/1117:35JFK - DUB

1 stop13h 10mScandinavian Airlines

Deal found 15/9£309

Thu 30/1019:05DUB - EWR

2 stops23h 30mScandinavian Airlines

Thu 6/1117:40EWR - DUB

1 stop19h 30mScandinavian Airlines

Deal found 15/9£243

Fri 31/1018:55DUB - EWR

1 stop23h 40mScandinavian Airlines

Fri 7/1118:30EWR - DUB

2 stops34h 40mScandinavian Airlines

Deal found 16/9£230

Fri 31/1010:45DUB - JFK

2 stops34h 00mScandinavian Airlines

Thu 6/1117:35JFK - DUB

1 stop13h 10mScandinavian Airlines

Deal found 15/9£307

One-way flights from Ireland to USA
Search for one-way flight options from Ireland to USA. Find affordable one-way fares based on user searches. Data last updated 17 September 2025.

Wed 15/1011:45DUB - EWR

2 stops30h 30mScandinavian Airlines

Deal found 15/9£238

Thu 6/1108:35DUB - MIA

1 stop15h 20mMultiple Airlines

Deal found 15/9£243

Thu 16/1019:05DUB - EWR

2 stops23h 10mScandinavian Airlines

Deal found 16/9£263

Mon 15/1213:25DUB - JFK

3 stops34h 40mMultiple Airlines

Deal found 16/9£279

Mon 15/1216:50DUB - EWR

2 stops27h 40mMultiple Airlines

Deal found 16/9£280

Thu 30/1008:35DUB - EWR

1 stop16h 25mMultiple Airlines

Deal found 15/9£285

Mon 29/1206:30DUB - MCO

1 stop13h 45mAer Lingus

Deal found 16/9£287

Thu 16/1006:50DUB - EWR

3 stops37h 09mMultiple Airlines

Deal found 16/9£288

Thu 2/1008:20DUB - MIA

1 stop16h 00mMultiple Airlines

Deal found 15/9£292

Thu 25/908:20DUB - EWR

1 stop17h 40mMultiple Airlines

Deal found 15/9£293

Fri 26/910:45DUB - MIA

1 stop16h 00mTAP AIR PORTUGAL

Deal found 16/9£293

Fri 10/1008:10DUB - EWR

1 stop17h 50mMultiple Airlines

Deal found 16/9£294

Fly from

Fly to

Route

Depart

Return

Price

DublinNewark

DUB - EWR

DUBEWR

Dublin

Wed 26/11

19:05-13:35

2 stops23h 30m

Newark

Wed 3/12

18:30-10:30

1 stop11h 00m

£239

DublinNewark

DUB - EWR

DUBEWR

Dublin

Mon 10/11

19:05-13:35

2 stops23h 30m

Newark

Thu 13/11

18:30-18:20

2 stops18h 50m

£253

DublinNewark

DUB - EWR

DUBEWR

Dublin

Wed 3/12

19:05-13:35

2 stops23h 30m

Newark

Tue 9/12

17:30-10:30

2 stops36h 00m

£276

DublinNewark

DUB - EWR

DUBEWR

Dublin

Tue 25/11

19:05-13:25

2 stops23h 20m

Newark

Sun 30/11

18:30-18:20

2 stops18h 50m

£284

DublinNewark

DUB - EWR

DUBEWR

Dublin

Tue 6/1

12:30-15:40

1 stop32h 10m

Newark

Sun 18/1

18:30-11:45

1 stop12h 15m

£289

DublinNew York

DUB - JFK

DUBJFK

Dublin

Thu 18/12

09:45-19:05

1 stop14h 20m

New York John F Kennedy Intl

Tue 23/12

22:45-17:20

1 stop13h 35m

£312

DublinNew York

DUB - LGA

DUBLGA

Dublin

Thu 27/11

05:00-18:44

2 stops18h 44m

New York LaGuardia

Mon 1/12

10:25-10:20

1 stop18h 55m

£312

DublinNew York

DUB - JFK

DUBJFK

Dublin

Mon 2/3

05:55-15:45

1 stop14h 50m

New York John F Kennedy Intl

Mon 9/3

22:15-08:45

Nonstop6h 30m

£315

DublinNew York

DUB - JFK

DUBJFK

Dublin

Wed 25/2

13:25-19:20

1 stop10h 55m

New York John F Kennedy Intl

Mon 2/3

21:15-08:45

Nonstop6h 30m

£315

DublinNew York

DUB - JFK

DUBJFK

Dublin

Wed 26/11

05:55-19:20

1 stop18h 25m

New York John F Kennedy Intl

Wed 3/12

21:15-08:45

Nonstop6h 30m

£315

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 60 results

...

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, September is the cheapest month in which you can book a flight from Ireland to USA (average of £573). Flying from Ireland to USA in July is currently the most expensive (average of £811). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ireland to USA as you normally would.

Weekly flight availability from Ireland to USA

The most flights from IE0 to US0 are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

Reviews of airlines servicing USA

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

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

KLM

7.8

Good

1,386 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

United Airlines

7.4

Good

8,924 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

American Airlines

7.2

Good

10,000 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Aer Lingus

7.2

Good

1,274 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

British Airways

6.7

Okay

7,363 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Related info for your journey

How popular is this Ireland to USA flight route?
Within the past month, 379 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 £312, Scandinavian Airlines can have you in USA from Ireland in 14h 20m. 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 (£306), British Airways (£307), and Scandinavian Airlines (£313).
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, September is the cheapest month in which you can book a flight from Ireland to USA (average of £573). Flying from Ireland to USA in July is currently the most expensive (average of £811). 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

Top 10 airlines flying from Ireland to USA

Airline	Cheapest	Average	Flexibility	On-time
PLAY	Cheapest£212	Average£260	FlexibilityNo cancel fee	On-timeN/A	Search PLAY flights
Scandinavian Airlines	Cheapest£225	Average£346	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Icelandair	Cheapest£248	Average£399	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
British Airways	Cheapest£263	Average£434	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
JetBlue	Cheapest£269	Average£545	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
KLM	Cheapest£272	Average£475	FlexibilityNo cancel fee	On-time75%	Search KLM flights
TAP AIR PORTUGAL	Cheapest£272	Average£418	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Air France	Cheapest£291	Average£498	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Aer Lingus	Cheapest£293	Average£510	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Lufthansa	Cheapest£305	Average£468	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights

Fly with Cheapflights

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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Cheap flights from Ireland to the United States from £204

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/11. Fares are subject to change and may not be available on all flights or dates of travel.

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 17 September 2025.

Round-trip from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Ireland to USA

Cheapest flights from Ireland to USAExplore 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 17 September 2025.

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 17 September 2025.

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

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.

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?

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 17 September 2025.

Weekly flight availability from Ireland to USA

Explore weekly flight availability from Ireland to USA. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 17 September 2025.

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 17 September 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.

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?

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

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

How can I find direct flights from Ireland to USA?

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

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

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.

Top 10 airlines flying from Ireland to USA

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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 17 September 2025.