HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ireland

$206+ Cheap flights from the United States to Ireland

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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — DUB
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from USA to Ireland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from USA to Ireland

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

Round-trip from

$350
(CheapOair)

One-way from

$206
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$571

Good round-trip deal

$391 or less

Good one-way deal

$279 or less
From USA to Ireland
Search Deals
One-way flight from USA to Ireland
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals
Price to beat on a round-trip flight from USA to Ireland.
Search Deals
Price to beat on a one-way flight from USA to Ireland.
Search Deals

Find flight deals from USA to Ireland

Cheapest flights from USA to Ireland
Explore the most affordable flight options available from USA to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This CheapOair deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/610:05 amJFK - DUB
2 stops40h 05mAir Canada
Sun 11/169:00 amDUB - JFK
2 stops40h 58mAir Canada
Deal found 8/11$350
This Air Canada deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/41:05 pmLGA - DUB
2 stops13h 05mAir Canada
Fri 11/149:00 amDUB - LGA
2 stops15h 02mAir Canada
Deal found 8/12$350
This lol.travel deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1111:59 amJFK - DUB
1 stop12h 31mFinnair
Fri 9/199:45 amDUB - JFK
1 stop14h 20mFinnair
Deal found 8/12$351
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/15:35 pmJFK - DUB
1 stop12h 10mDelta
Tue 9/161:15 pmDUB - JFK
Nonstop7h 40mDelta
Deal found 8/14$352
This KLM deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/65:30 pmJFK - DUB
1 stop10h 50mMultiple Airlines
Sun 11/910:45 amDUB - JFK
Nonstop7h 35mMultiple Airlines
Deal found 8/14$353
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:00 amLGA - DUB
1 stop23h 20mUnited Airlines
Mon 9/89:20 amDUB - LGA
1 stop29h 12mUnited Airlines
Deal found 8/12$353
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/15:35 pmJFK - DUB
1 stop12h 10mDelta
Tue 9/93:00 pmDUB - JFK
1 stop12h 28mDelta
Deal found 8/12$354
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/15:00 pmLGA - DUB
1 stop12h 45mDelta
Tue 9/93:00 pmDUB - LGA
1 stop12h 24mDelta
Deal found 8/12$354
This oojo deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/116:55 pmJFK - DUB
2 stops18h 30mScandinavian Airlines
Tue 10/1412:40 pmDUB - JFK
2 stops32h 00mScandinavian Airlines
Deal found 8/14$355
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/94:50 pmLGA - DUB
1 stop10h 25mLufthansa
Mon 9/229:50 amDUB - LGA
1 stop15h 09mLufthansa
Deal found 8/13$355
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:00 amLGA - DUB
1 stop23h 20mUnited Airlines
Mon 10/278:00 amDUB - LGA
1 stop29h 13mUnited Airlines
Deal found 8/12$356
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/181:35 pmBOS - DUB
1 stop14h 10mDelta
Wed 8/271:15 pmDUB - BOS
1 stop11h 10mDelta
Deal found 8/14$356

Cheapflights Fare Finder

 
Customize your flight search to find flights from USA to Ireland 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 2,558,603 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from the United States to Ireland that are best for you.

Fly from

USA

Fly to

Ireland

Route

Depart

Return

Price

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Fri 10/31

9:45 am-6:10 am

1 stop16h 25m

Dublin

Sun 11/9

9:00 am-10:39 pm

1 stop18h 39m

$350

New YorkDublin

LGA - DUB

LGADUB

New York LaGuardia

Tue 11/4

3:30 pm-7:10 am

1 stop10h 40m

Dublin

Sat 11/15

9:00 am-7:02 pm

2 stops15h 02m

$350

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Wed 10/8

10:55 pm-5:15 pm

1 stop13h 20m

Dublin

Tue 10/14

9:45 am-7:05 pm

1 stop14h 20m

$352

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Tue 9/9

7:30 am-7:55 am

1 stop19h 25m

Dublin

Wed 9/24

1:15 pm-3:55 pm

Nonstop7h 40m

$352

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Sun 9/14

9:00 pm-10:45 am

1 stop8h 45m

Dublin

Fri 9/26

1:15 pm-3:55 pm

Nonstop7h 40m

$352

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Sun 9/7

6:45 pm-10:00 am

1 stop10h 15m

Dublin

Wed 9/17

1:15 pm-3:55 pm

Nonstop7h 40m

$352

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Tue 9/2

5:35 pm-10:45 am

1 stop12h 10m

Dublin

Fri 9/12

1:15 pm-3:55 pm

Nonstop7h 40m

$352

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Wed 10/8

10:55 pm-5:15 pm

1 stop13h 20m

Dublin

Thu 10/23

9:45 am-7:05 pm

1 stop14h 20m

$352

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Mon 9/1

5:35 pm-10:45 am

1 stop12h 10m

Dublin

Thu 9/11

1:15 pm-3:55 pm

Nonstop7h 40m

$352

New YorkDublin

LGA - DUB

LGADUB

New York LaGuardia

Wed 9/3

6:00 am-10:20 am

1 stop23h 20m

Dublin

Tue 9/9

9:20 am-9:32 am

1 stop29h 12m

$353

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from USA to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from USA with our price prediction graph.
Estimated round-trip 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 the United States to Ireland

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

Currently, November is the cheapest month in which you can book a flight from USA to Ireland (average of $509). Flying from USA to Ireland in June is currently the most expensive (average of $925). 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 US to IE?

Find hourly flight availability from USA to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

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

Weekly flight availability from USA to Ireland

Explore weekly flight availability from USA to Ireland. 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 August 14, 2025.

The most flights from US0 to IE0 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 Ireland

Get insights into the airlines that provide service to Ireland. 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 Ireland. Reviews last updated August 14, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from the United States to Ireland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Aer Lingus
7.1
Good
1,214 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Icelandair
7.0
Good
526 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from USA to Ireland. 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 USA to Ireland flight route?

    Within the past month, 49 users have taken a look at flights from United States to Ireland.

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

    $206 is the cheapest one-way deal found within the past few days, from Lufthansa. You may also be able to find cheap deals on Iberia and British Airways, with prices starting from $207 and $207, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from USA to Ireland 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 USA to Ireland?

    Currently, November is the cheapest month in which you can book a flight from USA to Ireland (average of $509). Flying from USA to Ireland in June is currently the most expensive (average of $925). 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 USA to Ireland

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Charles de Gaulle flights
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
Newark to Charles de Gaulle flights
Newark to Gatwick flights
Newark to Leonardo da Vinci/Fiumicino flights
LaGuardia to Heathrow flights
John F Kennedy Intl to Gatwick flights
John F Kennedy Intl to London City flights
John F Kennedy Intl to Lisbon flights
Newark to Orly flights
John F Kennedy Intl to Istanbul flights
Miami to Madrid flights
John F Kennedy Intl to Stansted flights
Newark to London City flights
Boston to Heathrow flights
LaGuardia to Gatwick flights
Newark to Lisbon flights
Dulles Intl to Heathrow flights
John F Kennedy Intl to Madrid flights
John F Kennedy Intl to Orly flights
John F Kennedy Intl to Luton flights
Newark to Athens flights
Los Angeles to Heathrow flights
LaGuardia to Charles de Gaulle flights
John F Kennedy Intl to Malpensa flights
Newark to Stansted flights
O'Hare Intl to Heathrow flights
San Francisco to Heathrow flights
Newark to Barcelona-El Prat flights
Dallas/Fort Worth to Heathrow flights
John F Kennedy Intl to Frederic Chopin flights
Newark to Madrid flights
Newark to Malpensa flights
John F Kennedy Intl to Athens flights
Seattle to Heathrow flights
Dallas/Fort Worth to Charles de Gaulle flights
Boston to Charles de Gaulle flights
Baltimore to Heathrow flights
John F Kennedy Intl to Dublin flights
Boston to Leonardo da Vinci/Fiumicino flights
Newark to Luton flights
LaGuardia to Leonardo da Vinci/Fiumicino flights
Newark to Dublin flights
Dulles Intl to Charles de Gaulle flights
Los Angeles to Charles de Gaulle flights
John F Kennedy Intl to Barcelona-El Prat flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
O'Hare Intl to Charles de Gaulle flights

Top 10 airlines flying from USA to Ireland

Discover the top 10 airlines that operate flights from USA to Ireland. 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 2,558,603 searches. Data last updated August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$88Average$764FlexibilityNo cancel feeOn-time62%
SWISSCheapest$204Average$614FlexibilityNo cancel feeOn-time79%
DeltaCheapest$244Average$814FlexibilityNo cancel feeOn-timeN/A
PLAYCheapest$282Average$370FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$302Average$496FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$346Average$482FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$349Average$674FlexibilityNo cancel feeOn-time67%
TAP AIR PORTUGALCheapest$352Average$555FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$352Average$718FlexibilityNo cancel feeOn-time77%
KLMCheapest$362Average$722FlexibilityNo cancel feeOn-time75%

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.
Site
©2025 Cheapflights