How popular is this Ireland to USA flight route?

Within the past month, 136 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 £393, Scandinavian Airlines can have you in USA from Ireland in 7h 29m. 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 (£187), TAP AIR PORTUGAL (£207), and JetBlue (£235).

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.

£196+ Cheap Flights from Ireland to the United States

Cheap flight deals from Ireland to USA

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

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 6 August 2026.

Wed 11/1112:35 -

1 stop29h 50m

Wed 18/1118:30 -

1 stop10h 40m

Deal found 4/8£279

Thu 8/1019:50 -

2 stops22h 25m

Sun 11/1017:45 -

1 stop11h 40m

Deal found 2/8£284

Thu 8/1011:10 -

1 stop31h 05m

Sat 17/1017:20 -

1 stop20h 05m

Deal found 2/8£285

Thu 17/911:40 -

1 stop30h 35m

Sun 20/917:45 -

1 stop11h 40m

Deal found 4/8£286

Fri 27/1119:05 -

2 stops23h 20m

Mon 30/1118:30 -

2 stops18h 50m

Deal found 2/8£287

Fri 25/911:40 -

1 stop30h 35m

Sun 27/917:20 -

1 stop12h 35m

Deal found 3/8£288

Thu 17/911:40 -

1 stop30h 35m

Thu 24/917:20 -

1 stop20h 45m

Deal found 4/8£289

Tue 6/1011:40 -

1 stop30h 35m

Fri 9/1017:45 -

1 stop33h 15m

Deal found 3/8£290

Fri 4/911:40 -

1 stop30h 35m

Mon 5/1017:20 -

1 stop12h 35m

Deal found 4/8£290

Thu 10/911:40 -

1 stop30h 35m

Sat 19/917:20 -

1 stop20h 05m

Deal found 2/8£292

Thu 15/1011:10 -

1 stop31h 05m

Thu 22/1017:45 -

2 stops44h 30m

Deal found 1/8£293

Mon 28/909:40 -

1 stop14h 30m

Wed 7/1021:40 -

1 stop10h 15m

Deal found 3/8£385

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 6 August 2026.

Wed 23/911:40 -

1 stop30h 35m

Sun 27/917:20 -

1 stop12h 35m

Deal found 2/8£307

Wed 23/911:30 -

Nonstop7h 29m

Sun 27/921:10 -

Nonstop6h 50m

Deal found 2/8£393

Thu 8/1008:35 -

1 stop10h 50m

Sat 17/1018:30 -

1 stop10h 10m

Deal found 2/8£398

Tue 1/911:45 -

1 stop16h 15m

Tue 13/1006:14 -

1 stop22h 21m

Deal found 3/8£400

Wed 9/908:55 -

1 stop13h 10m

Tue 15/921:30 -

Nonstop6h 45m

Deal found 1/8£404

Fri 18/915:00 -

1 stop11h 27m

Mon 28/918:59 -

1 stop10h 46m

Deal found 4/8£415

Thu 10/910:00 -

1 stop11h 00m

Sat 19/918:00 -

1 stop11h 45m

Deal found 2/8£419

Thu 3/914:15 -

1 stop10h 05m

Mon 7/920:30 -

1 stop11h 45m

Deal found 5/8£440

Fri 25/919:45 -

Nonstop7h 40m

Sun 4/1021:40 -

1 stop10h 50m

Deal found 5/8£442

Sun 17/109:00 -

2 stops14h 35m

Tue 26/111:25 -

2 stops15h 05m

Deal found 5/8£550

Tue 17/1119:05 -

1 stop25h 35m

Fri 20/1118:30 -

2 stops18h 50m

Deal found 31/7£314

Wed 23/908:35 -

2 stops17h 54m

Sun 27/921:25 -

1 stop13h 55m

Deal found 1/8£403

Tue 1/908:55 -

1 stop15h 20m

Tue 13/1022:20 -

Nonstop6h 40m

Deal found 2/8£405

Thu 15/1011:30 -

Nonstop7h 29m

Mon 19/1019:36 -

1 stop13h 34m

Deal found 4/8£423

Tue 25/814:15 -

1 stop10h 05m

Tue 22/920:30 -

1 stop9h 35m

Deal found 2/8£440

Tue 1/908:35 -

2 stops20h 24m

Tue 13/1017:50 -

1 stop10h 50m

Deal found 3/8£403

Sat 29/812:40 -

1 stop14h 50m

Sat 5/912:57 -

1 stop15h 48m

Deal found 1/8£445

Tue 27/1009:55 -

1 stop17h 50m

Mon 2/1121:20 -

Nonstop6h 25m

Deal found 1/8£406

Thu 3/908:55 -

1 stop11h 40m

Tue 8/921:45 -

1 stop15h 40m

Deal found 5/8£455

Tue 20/1005:55 -

1 stop14h 40m

Tue 3/1118:32 -

2 stops13h 08m

Deal found 4/8£457

Mon 5/1019:50 -

2 stops26h 50m

Mon 12/1016:45 -

1 stop17h 35m

Deal found 4/8£431

Tue 1/908:55 -

2 stops16h 04m

Tue 13/1009:30 -

2 stops17h 45m

Deal found 5/8£406

Wed 21/1008:35 -

1 stop16h 05m

Wed 4/1120:35 -

1 stop15h 25m

Deal found 5/8£457

Thu 14/111:30 -

1 stop14h 20m

Mon 18/117:15 -

1 stop12h 00m

Deal found 5/8£465

Sat 12/915:00 -

1 stop12h 50m

Fri 18/915:41 -

1 stop13h 19m

Deal found 4/8£467

Sat 5/1210:05 -

2 stops36h 45m

Sat 12/1216:45 -

2 stops35h 05m

Deal found 2/8£433

Sat 5/1208:55 -

1 stop13h 10m

Tue 8/1218:55 -

1 stop32h 00m

Deal found 5/8£441

Sat 5/905:55 -

1 stop13h 50m

Sat 12/916:59 -

1 stop12h 01m

Deal found 5/8£410

Wed 21/1008:35 -

1 stop16h 45m

Wed 4/1118:05 -

1 stop15h 00m

Deal found 5/8£457

Sun 18/1009:20 -

2 stops17h 23m

Sun 1/1123:58 -

1 stop24h 12m

Deal found 3/8£576

Find flight deals from Ireland to USA

Round-trip from	£279
One-way from	£196
Popular in	July
Cheapest in	February
Average price	£544
Good round-trip deal	£315 or less
Good one-way deal	£337 or less

Scandinavian Airlines
11/11-18/11
2 total stops
40h 30m total
Ireland to USA

Search Deals

27/8
2 total stops
30h 05m total
Ireland to USA

Search Deals

Highest demand for flights based on searches. 19% potential increase in price (£79 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£11 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinNewark

DUB Dublin - EWR Newark

DUBEWR

Dublin

Wed 23/9

11:40-13:15

1 stop30h 35m

Newark

Sun 27/9

17:20-10:55

1 stop12h 35m

£307

DublinNewark

DUB Dublin - EWR Newark

DUBEWR

Dublin

Tue 17/11

19:05-15:40

1 stop25h 35m

Newark

Fri 20/11

18:30-18:20

2 stops18h 50m

£314

Fastest return journey

DublinNew York

DUB Dublin - JFK New York John F Kennedy Intl

DUBJFK

Dublin

Wed 23/9

11:30-13:59

Nonstop7h 29m

New York John F Kennedy Intl

Sun 27/9

21:10-09:00

Nonstop6h 50m

£393

DublinNew York

DUB Dublin - JFK New York John F Kennedy Intl

DUBJFK

Dublin

Thu 8/10

08:35-14:25

1 stop10h 50m

New York John F Kennedy Intl

Sat 17/10

18:30-09:40

1 stop10h 10m

£398

DublinNew York

DUB Dublin - JFK New York John F Kennedy Intl

DUBJFK

Dublin

Tue 1/9

11:45-23:00

1 stop16h 15m

New York John F Kennedy Intl

Tue 13/10

06:14-09:35

1 stop22h 21m

£400

DublinNewark

DUB Dublin - EWR Newark

DUBEWR

Dublin

Wed 23/9

08:35-21:29

2 stops17h 54m

Newark

Sun 27/9

21:25-16:20

1 stop13h 55m

£403

DublinNewark

DUB Dublin - EWR Newark

DUBEWR

Dublin

Tue 1/9

08:35-23:59

2 stops20h 24m

Newark

Tue 13/10

17:50-09:40

1 stop10h 50m

£403

DublinNew York

DUB Dublin - JFK New York John F Kennedy Intl

DUBJFK

Dublin

Wed 9/9

08:55-17:05

1 stop13h 10m

New York John F Kennedy Intl

Tue 15/9

21:30-09:15

Nonstop6h 45m

£404

DublinNew York

DUB Dublin - JFK New York John F Kennedy Intl

DUBJFK

Dublin

Tue 1/9

08:55-19:15

1 stop15h 20m

New York John F Kennedy Intl

Tue 13/10

22:20-10:00

Nonstop6h 40m

£405

DublinNew York

DUB Dublin - JFK New York John F Kennedy Intl

DUBJFK

Dublin

Tue 27/10

09:55-23:45

1 stop17h 50m

New York John F Kennedy Intl

Mon 2/11

21:20-08:45

Nonstop6h 25m

£406

Flights are sorted by cheapest return flights first.

Deals found on 31/7

Showing 1-10 of 60 resultsSorted by cheapest first

...

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.

DUB-EWR

DUB-JFK

DUB-PVD

DUB-MCO

DUB-MIA

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

IE0-US0

DUB-EWR

DUB-JFK

DUB-PVD

DUB-MCO

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 £449). Flying from Ireland to USA in July is currently the most expensive (average of £687). 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?

Unlike in the morning, when flights are generally more expensive, you can save up to 26% on flights from Ireland to USA by exploring options for tickets in the evening.

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).

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

About 13% of weekly flights between Ireland and United States have experienced delays in the past year, with the average delay time being 148 minutes.

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

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving at night 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 Sunday 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.

How far ahead should I book a flight from Ireland to USA?

To ensure you get the cheapest price possible for a flight from Ireland to USA, you should look to book at least 60 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

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

Reviews of airlines servicing USA

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.

KLM

7.8

Good

1,554 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

KLM

7.8

Good

1,554 reviews

KLM

7.8

Good

1,554 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

United Airlines

7.4

Good

10,064 reviews

KLM

7.8

Good

1,554 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

Aer Lingus

7.3

Good

1,689 reviews

KLM

7.8

Good

1,554 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

American Airlines

7.1

Good

11,853 reviews

KLM

7.8

Good

1,554 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

British Airways

6.7

Okay

8,146 reviews

KLM

7.8

Good

1,554 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

Related info for your journey

How popular is this Ireland to USA flight route?
Within the past month, 136 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 £393, Scandinavian Airlines can have you in USA from Ireland in 7h 29m. 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 (£187), TAP AIR PORTUGAL (£207), and JetBlue (£235).
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 £449). Flying from Ireland to USA in July is currently the most expensive (average of £687). 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

Airlines

Alternative routes

Complete your trip

Direct flights to

Flights by cabin class

Other flight options

Popular flights

Return Flight Options

Top destinations

Top regions

Airlines flying to the United States

KLM flights to the United States

Aer Lingus flights to the United Statesfrom £332/person

Finnair flights to the United States

Virgin Atlantic flights to the United States

British Airways flights to the United States

Top 10 airlines flying from Ireland to USA

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£118	Average£483	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Scandinavian Airlines	Cheapest£227	Average£337	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Icelandair	Cheapest£275	Average£446	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
TAP AIR PORTUGAL	Cheapest£285	Average£395	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Aer Lingus	Cheapest£293	Average£553	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Lufthansa	Cheapest£304	Average£569	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
American Airlines	Cheapest£311	Average£570	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
KLM	Cheapest£319	Average£547	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Delta	Cheapest£323	Average£534	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
United Airlines	Cheapest£326	Average£599	FlexibilityNo cancel fee	On-time69%	Search United Airlines 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 £196

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 27/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 6 August 2026.

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 6 August 2026.

Best flights from Ireland to USADiscover 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 6 August 2026.

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 6 August 2026.

Direct flights from Ireland to USAExplore direct flight options from Ireland to USA based on user searches, and compare prices and availability for your desired travel dates. Data last updated 6 August 2026.

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 6 August 2026.

Last-minute flights from Ireland to USADiscover last-minute flight deals from Ireland to USA. Data last updated 6 August 2026 and is based on user searches.

Discover last-minute flight deals from Ireland to USA. Data last updated 6 August 2026 and is based on user searches.

One-way flights from Ireland to USASearch for one-way flight options from Ireland to USA. Find affordable one-way fares based on user searches. Data last updated 6 August 2026.

Search for one-way flight options from Ireland to USA. Find affordable one-way fares based on user searches. Data last updated 6 August 2026.

Find flight deals from Ireland to USA

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

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 6 August 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 26% on flights from Ireland to USA by exploring options for tickets in the evening.

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 6 August 2026.

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).

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

About 13% of weekly flights between Ireland and United States have experienced delays in the past year, with the average delay time being 148 minutes.

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

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving at night 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 Sunday 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.

How far ahead should I book a flight from Ireland to USA?

To ensure you get the cheapest price possible for a flight from Ireland to USA, you should look to book at least 60 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 1 August 2026.

Travellers seeking maximum savings on their Ireland to USA flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday evenings 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 6 August 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.

Related info for your journey

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

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

Airlines flying to the United States

Alternative routes for Ireland to USA

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

Complete your trip

Complete your trip to USA by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from Ireland to USA by cabin class

Find flights from Ireland to USA, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Ireland and USA flights

Browse other Ireland and USA flight options. Last updated on 6 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Find a return flight route from USA

Find the right flight back to Ireland after your stay in USA

Ireland to USA flights

Consider these flights travelling from Ireland to USA.

Fly to USA regions

Consider these flights travelling to USA regions.

Top 10 airlines flying from Ireland to USA

Fly with Cheapflights

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 6 August 2026.

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 6 August 2026.

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 6 August 2026.

Last-minute flights from Ireland to USA
Discover last-minute flight deals from Ireland to USA. Data last updated 6 August 2026 and is based on user searches.

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 6 August 2026.