Cheap flights from Ireland to the United States from £226

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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LAX
3 Sep — 10 Sep1
1 adult

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 29 August 2025.

Round-trip from

£284

One-way from

£226

Popular in

July

Cheapest in

February

Average price

£467

Good round-trip deal

£339 or less

Good one-way deal

£357 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 5/11-5/12
  • 2 total stops
  • 39h 40m total
  • Ireland to USA
WestJet
  • WestJet
  • 22/9
  • 3 total stops
  • 39h 49m total
  • Ireland to USA
Highest demand for flights based on searches. 14% potential increase in price (£49 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£6 potential savings vs. average return price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from Ireland to USA.
Price to beat on a one-way flight from Ireland to USA.

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 29 August 2025.

Wed 5/1116:55DUB - MIA
1 stop26h 55mTAP AIR PORTUGAL
Fri 5/1216:35MIA - DUB
1 stop12h 45mTAP AIR PORTUGAL
Deal found 29/8£284
Tue 25/1116:55DUB - MIA
1 stop26h 55mTAP AIR PORTUGAL
Tue 2/1216:35MIA - DUB
1 stop25h 45mTAP AIR PORTUGAL
Deal found 28/8£295
Fri 21/1110:45DUB - MIA
2 stops36h 20mScandinavian Airlines
Tue 2/1219:55MIA - DUB
1 stop17h 25mScandinavian Airlines
Deal found 27/8£303
Tue 23/1219:05DUB - JFK
1 stop25h 40mScandinavian Airlines
Sat 27/1217:35JFK - DUB
1 stop10h 50mScandinavian Airlines
Deal found 26/8£308
Tue 23/1213:25DUB - JFK
1 stop13h 40mAmerican Airlines
Tue 6/121:50JFK - DUB
1 stop14h 10mAmerican Airlines
Deal found 27/8£309
Thu 25/912:20DUB - JFK
2 stops33h 40mScandinavian Airlines
Sun 28/918:55JFK - DUB
1 stop11h 55mScandinavian Airlines
Deal found 27/8£309
Wed 29/1009:45DUB - JFK
1 stop14h 20mFinnair
Mon 3/1122:45JFK - DUB
1 stop13h 35mFinnair
Deal found 28/8£311
Wed 1/1011:45DUB - JFK
2 stops34h 15mScandinavian Airlines
Fri 10/1018:55JFK - DUB
2 stops19h 20mScandinavian Airlines
Deal found 25/8£312
Sat 25/1009:00DUB - JFK
1 stop16h 05mLufthansa
Sat 8/1121:55JFK - DUB
1 stop13h 30mLufthansa
Deal found 28/8£312
Sun 14/921:45DUB - EWR
1 stop20h 30mScandinavian Airlines
Thu 9/1017:15EWR - DUB
1 stop20h 00mScandinavian Airlines
Deal found 27/8£314
Tue 30/909:45DUB - JFK
1 stop14h 20mFinnair
Tue 7/1022:55JFK - DUB
1 stop13h 20mFinnair
Deal found 28/8£314
Wed 3/919:05DUB - JFK
1 stop26h 55mScandinavian Airlines
Sat 13/917:10JFK - DUB
1 stop13h 20mScandinavian Airlines
Deal found 26/8£315

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 29 August 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

DublinMiami

DUB - MIA

DUBMIA

Dublin

Wed 5/11

16:55-14:50

1 stop26h 55m

Miami

Thu 4/12

16:35-16:10

1 stop18h 35m

£284

DublinMiami

DUB - MIA

DUBMIA

Dublin

Wed 5/11

16:55-14:50

1 stop26h 55m

Miami

Fri 5/12

16:35-10:20

1 stop12h 45m

£284

DublinMiami

DUB - MIA

DUBMIA

Dublin

Fri 23/1

11:30-18:35

2 stops36h 05m

Miami

Mon 2/2

20:40-10:45

2 stops33h 05m

£292

DublinMiami

DUB - MIA

DUBMIA

Dublin

Tue 25/11

16:55-14:50

1 stop26h 55m

Miami

Tue 2/12

16:35-23:20

1 stop25h 45m

£295

DublinMiami

DUB - MIA

DUBMIA

Dublin

Fri 21/11

10:45-18:05

2 stops36h 20m

Miami

Tue 2/12

19:55-18:20

1 stop17h 25m

£303

DublinNew York

DUB - JFK

DUBJFK

Dublin

Tue 23/12

19:05-15:45

1 stop25h 40m

New York John F Kennedy Intl

Sat 27/12

17:35-09:25

1 stop10h 50m

£308

DublinNew York

DUB - JFK

DUBJFK

Dublin

Mon 16/2

15:10-21:05

1 stop10h 55m

New York John F Kennedy Intl

Tue 24/2

18:50-09:35

1 stop9h 45m

£309

DublinNew York

DUB - JFK

DUBJFK

Dublin

Mon 23/2

08:50-17:15

1 stop13h 25m

New York John F Kennedy Intl

Tue 3/3

18:50-09:35

1 stop9h 45m

£309

DublinNew York

DUB - JFK

DUBJFK

Dublin

Wed 18/2

13:10-19:35

1 stop11h 25m

New York John F Kennedy Intl

Thu 26/2

23:20-14:10

1 stop9h 50m

£309

DublinNewark

DUB - EWR

DUBEWR

Dublin

Sat 1/11

09:15-17:00

1 stop11h 45m

Newark

Sat 8/11

19:55-07:30

Nonstop6h 35m

£314

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 60 results
1
2
3
...
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, January is the cheapest month in which you can book a flight from Ireland to USA (average of £575). 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?

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 29 August 2025.

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

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 29 August 2025.

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

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 29 August 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.

Overall

7.8

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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 £309, TAP AIR PORTUGAL can have you in USA from Ireland in 10h 55m. 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 WestJet (£226), TAP AIR PORTUGAL (£235), and JetBlue (£283).

  • 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, January is the cheapest month in which you can book a flight from Ireland to USA (average of £575). 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

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 29 August 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£210Average£266FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
Scandinavian AirlinesCheapest£227Average£351FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
IcelandairCheapest£250Average£403FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£266Average£463FlexibilityNo cancel feeOn-time70%
Search British Airways flights
JetBlueCheapest£272Average£551FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
TAP AIR PORTUGALCheapest£275Average£460FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
KLMCheapest£280Average£483FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£294Average£505FlexibilityNo cancel feeOn-time77%
Search Air France flights
Aer LingusCheapest£300Average£518FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
LufthansaCheapest£308Average£476FlexibilityNo cancel feeOn-time76%
Search Lufthansa 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.