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Ireland

$191+ 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — DUB
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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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 September 16, 2025.

Round-trip from

$339
(Finnair)

One-way from

$191
(Air France)

Popular in

December

Cheapest in

January

Average price

$547

Good round-trip deal

$392 or less

Good one-way deal

$229 or less
From USA to Ireland
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One-way flight from USA to Ireland
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from USA to Ireland.
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Price to beat on a one-way flight from USA to Ireland.
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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 September 16, 2025.

This Finnair deal was found by Cheapflights users on 9/15. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3011:45 pmJFK - DUB
1 stop13h 35mFinnair
Wed 11/59:45 amDUB - JFK
1 stop14h 20mFinnair
Deal found 9/15$339
This Gotogate deal was found by Cheapflights users on 9/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/94:50 pmJFK - DUB
1 stop9h 20mMultiple Airlines
Sat 11/151:30 pmDUB - JFK
1 stop28h 35mMultiple Airlines
Deal found 9/15$340
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/249:00 amJFK - DUB
2 stops18h 15mMultiple Airlines
Sat 11/11:30 pmDUB - JFK
1 stop32h 10mMultiple Airlines
Deal found 9/14$341
This Delta deal was found by Cheapflights users on 9/16. 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.
Sun 10/265:30 pmJFK - DUB
1 stop11h 50mDelta
Tue 11/46:00 amDUB - JFK
1 stop13h 15mDelta
Deal found 9/16$342
This Delta deal was found by Cheapflights users on 9/14. 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 12/88:30 amJFK - DUB
1 stop18h 15mDelta
Mon 12/158:50 amDUB - JFK
1 stop33h 25mDelta
Deal found 9/14$343
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 10/248:47 pmBOS - DUB
1 stop31h 23mUnited Airlines
Sat 11/18:00 amDUB - BOS
2 stops38h 50mUnited Airlines
Deal found 9/15$343
This Finnair deal was found by Cheapflights users on 9/15. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2212:02 pmJFK - DUB
1 stop12h 28mFinnair
Wed 10/299:45 amDUB - JFK
1 stop14h 20mFinnair
Deal found 9/15$344
This Delta deal was found by Cheapflights users on 9/15. 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.
Tue 12/210:05 pmBOS - DUB
Nonstop6h 15mDelta
Thu 12/119:45 amDUB - BOS
1 stop12h 32mDelta
Deal found 9/15$344
This Gotogate deal was found by Cheapflights users on 9/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/64:25 pmJFK - DUB
1 stop15h 05mMultiple Airlines
Sun 11/99:00 amDUB - JFK
1 stop12h 09mMultiple Airlines
Deal found 9/15$345
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/59:50 pmBOS - DUB
1 stop14h 55mMultiple Airlines
Wed 11/129:00 amDUB - BOS
1 stop18h 37mMultiple Airlines
Deal found 9/15$345
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/149:45 amJFK - DUB
1 stop16h 25mMultiple Airlines
Sun 11/306:35 pmDUB - JFK
1 stop27h 05mMultiple Airlines
Deal found 9/14$346
This CrystalTravel deal was found by Cheapflights users on 9/14. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/28:25 pmJFK - DUB
1 stop9h 40mIcelandair
Mon 10/62:15 pmDUB - JFK
1 stop9h 55mIcelandair
Deal found 9/14$347

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 September 16, 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

Tue 11/11

5:32 pm-9:20 am

1 stop10h 48m

Dublin

Tue 11/18

6:00 am-12:55 pm

1 stop11h 55m

$342

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 12/2

10:05 pm-9:20 am

Nonstop6h 15m

Dublin

Thu 12/11

9:45 am-5:17 pm

1 stop12h 32m

$344

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sun 12/7

10:05 pm-9:20 am

Nonstop6h 15m

Dublin

Thu 12/18

9:45 am-11:59 pm

1 stop19h 14m

$344

New YorkDublin

LGA - DUB

LGADUB

New York LaGuardia

Thu 10/30

3:15 pm-8:10 am

1 stop12h 55m

Dublin

Sun 11/9

9:00 am-3:38 pm

1 stop11h 38m

$348

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Thu 11/13

2:59 pm-7:45 am

1 stop11h 46m

Dublin

Tue 11/18

10:45 am-4:15 pm

1 stop10h 30m

$348

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Fri 11/7

3:35 pm-8:40 am

1 stop12h 05m

Dublin

Tue 11/11

11:30 am-8:01 pm

1 stop13h 31m

$348

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 10/28

7:54 pm-9:55 am

1 stop10h 01m

Dublin

Sat 11/8

9:00 am-10:37 pm

1 stop18h 37m

$348

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 12/9

2:55 pm-7:45 am

1 stop11h 50m

Dublin

Sun 12/14

10:45 am-4:11 pm

1 stop10h 26m

$348

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 10/8

5:45 am-7:55 am

1 stop21h 10m

Dublin

Mon 11/24

10:45 am-10:25 pm

1 stop16h 40m

$348

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 10/8

5:55 am-7:10 am

1 stop20h 15m

Dublin

Mon 11/24

9:00 am-6:02 pm

1 stop14h 02m

$348

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 60 results
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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 $923). 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 September 16, 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.

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 September 16, 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
7,957 reviews

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
8,924 reviews
Delta
8.0
Very good
7,957 reviews

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
7,957 reviews

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
7.2
Good
1,274 reviews
Delta
8.0
Very good
7,957 reviews

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
544 reviews
Delta
8.0
Very good
7,957 reviews

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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.

  • How long is the flight from USA to Ireland?

    Departing from USA to Ireland will take you 6h 15m. The distance between USA and Ireland is about 2983 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    $194 is the cheapest one-way deal found within the past few days, from KLM. You may also be able to find cheap deals on Delta and LEVEL, with prices starting from $194 and $208, 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 $923). 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

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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
John F Kennedy Intl to Charles de Gaulle flights
Newark to Heathrow flights
Newark to Charles de Gaulle flights
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Istanbul flights
Newark to Orly flights
Newark to Leonardo da Vinci/Fiumicino flights
Boston to Heathrow flights
LaGuardia to Heathrow flights
Dulles Intl to Heathrow flights
John F Kennedy Intl to Lisbon flights
John F Kennedy Intl to London City flights
Los Angeles to Heathrow flights
John F Kennedy Intl to Orly flights
Newark to Gatwick flights
John F Kennedy Intl to Gatwick flights
Newark to Madrid flights
LaGuardia to Charles de Gaulle flights
O'Hare Intl to Heathrow flights
Newark to Lisbon flights
Miami to Madrid flights
Dulles Intl to Charles de Gaulle flights
John F Kennedy Intl to Madrid flights
Newark to Barcelona-El Prat flights
Dallas/Fort Worth to Heathrow flights
Boston to Charles de Gaulle flights
San Francisco to Heathrow flights
John F Kennedy Intl to Barcelona-El Prat flights
Baltimore to Heathrow flights
O'Hare Intl to Charles de Gaulle flights
John F Kennedy Intl to Frederic Chopin flights
Newark to Malpensa flights
Los Angeles to Charles de Gaulle flights
John F Kennedy Intl to Athens flights
LaGuardia to Gatwick flights
Newark to London City flights
Dallas/Fort Worth to Charles de Gaulle flights
John F Kennedy Intl to Malpensa flights
Newark to Dublin flights
Seattle to Heathrow flights
John F Kennedy Intl to Frankfurt flights
LaGuardia to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Dublin flights
Newark to Athens flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Amsterdam flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Zurich flights
San Francisco 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$88Average$775FlexibilityNo cancel feeOn-time62%
SWISSCheapest$204Average$568FlexibilityNo cancel feeOn-time79%
DeltaCheapest$244Average$794FlexibilityNo cancel feeOn-timeN/A
PLAYCheapest$283Average$379FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$346Average$481FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$349Average$688FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$353Average$770FlexibilityNo cancel feeOn-time69%
TAP AIR PORTUGALCheapest$354Average$542FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$362Average$729FlexibilityNo cancel feeOn-time75%
Aer LingusCheapest$367Average$757FlexibilityNo cancel feeOn-timeN/A

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