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$187+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — DUB
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$376
(KLM)

One-way from

$187
(oojo)

Popular in

June

Cheapest in

January

Average price

$485

Good round-trip deal

$534 or less

Good one-way deal

$422 or less
Provider with most accurate pricing for New York (NYC)-Dublin flight deals.
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Provider most trusted by Cheapflights users for New York (NYC)-Dublin flights.
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From USA to Ireland
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One-way flight from USA to Ireland
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Highest demand for flights based on searches. 16% potential increase in price ($117 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This Delta deal was found by Cheapflights users on 2/19. 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 2/259:19 pmBOS - DUB
Nonstop6h 06mDelta
Mon 3/311:30 amDUB - BOS
Nonstop7h 17mDelta
Deal found 2/19$376
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Sun 3/307:15 pmBOS - DUB
1 stop9h 20mPLAY
Thu 4/1011:35 amDUB - BOS
1 stop11h 15mPLAY
Deal found 2/19$377
This KLM deal was found by Cheapflights users on 2/19. 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.
Wed 2/264:55 pmBOS - DUB
1 stop10h 50mKLM
Wed 3/511:30 amDUB - BOS
Nonstop7h 17mKLM
Deal found 2/19$381
This Booking.com deal was found by Cheapflights users on 2/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/285:30 pmBOS - DUB
Nonstop6h 00mAer Lingus
Wed 6/44:45 pmDUB - BOS
Nonstop7h 00mAer Lingus
Deal found 2/20$387
This oojo deal was found by Cheapflights users on 2/18. 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.
Mon 3/249:00 pmBOS - DUB
1 stop9h 15mIcelandair
Thu 4/312:15 pmDUB - BOS
1 stop11h 35mIcelandair
Deal found 2/18$388
This EaseMyTrip deal was found by Cheapflights users on 2/20. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1111:10 pmJFK - DUB
1 stop9h 05mIcelandair
Tue 8/192:15 pmDUB - JFK
1 stop12h 55mIcelandair
Deal found 2/20$394
This Air France deal was found by Cheapflights users on 2/20. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:45 pmBOS - DUB
1 stop15h 55mAir France
Sun 11/1610:00 amDUB - BOS
1 stop14h 21mAir France
Deal found 2/20$404
This Mytrip deal was found by Cheapflights users on 2/20. 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.
Thu 2/275:00 pmJFK - DUB
Nonstop6h 15mAer Lingus
Wed 3/54:45 pmDUB - JFK
Nonstop7h 40mAer Lingus
Deal found 2/20$405
This oojo deal was found by Cheapflights users on 2/19. 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.
Sun 3/97:30 pmEWR - DUB
1 stop11h 50mScandinavian Airlines
Sun 3/1611:00 amDUB - EWR
2 stops31h 25mScandinavian Airlines
Deal found 2/19$406
This eDestinos deal was found by Cheapflights users on 2/19. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/246:45 pmJFK - DUB
1 stop12h 55mScandinavian Airlines
Tue 4/112:40 pmDUB - JFK
2 stops32h 00mScandinavian Airlines
Deal found 2/19$409
This Mytrip deal was found by Cheapflights users on 2/19. 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.
Tue 5/65:06 amBOS - DUB
3 stops24h 09mMultiple Airlines
Mon 5/1211:35 amDUB - BOS
2 stops16h 54mMultiple Airlines
Deal found 2/19$410
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 9/238:25 pmEWR - DUB
1 stop9h 40mIcelandair
Sat 9/272:15 pmDUB - EWR
1 stop9h 55mIcelandair
Deal found 2/18$412

Find flights from USA to Ireland within your budget

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 February 20, 2025.

Fly from

USA

Fly to

Ireland

Route

Depart

Return

Price

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 2/25

9:19 pm-8:25 am

Nonstop6h 06m

Dublin

Mon 3/3

11:30 am-1:47 pm

Nonstop7h 17m

$376

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sun 3/30

7:15 pm-9:35 am

1 stop9h 20m

Dublin

Thu 4/10

11:35 am-5:50 pm

1 stop11h 15m

$377

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 2/26

4:55 pm-8:45 am

1 stop10h 50m

Dublin

Wed 3/5

11:30 am-1:47 pm

Nonstop7h 17m

$381

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 3/24

9:00 pm-10:15 am

1 stop9h 15m

Dublin

Thu 4/3

12:15 pm-6:50 pm

1 stop11h 35m

$388

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 4/29

5:30 pm-4:30 am

Nonstop6h 00m

Dublin

Tue 5/13

4:45 pm-6:45 pm

Nonstop7h 00m

$390

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Mon 8/11

11:10 pm-1:15 pm

1 stop9h 05m

Dublin

Tue 8/19

2:15 pm-10:10 pm

1 stop12h 55m

$394

NewarkDublin

EWR - DUB

EWRDUB

Newark

Sun 3/9

7:30 pm-11:20 am

1 stop11h 50m

Dublin

Sun 3/16

11:00 am-2:25 pm

2 stops31h 25m

$406

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 5/5

9:31 pm-10:15 am

3 stops31h 44m

Dublin

Mon 5/12

11:35 am-3:20 pm

2 stops32h 45m

$407

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Mon 3/24

6:45 pm-11:40 am

1 stop12h 55m

Dublin

Tue 4/1

12:40 pm-3:40 pm

2 stops32h 00m

$409

NewarkDublin

EWR - DUB

EWRDUB

Newark

Mon 3/17

6:50 pm-10:05 am

1 stop11h 15m

Dublin

Tue 4/1

9:50 am-12:07 pm

2 stops31h 17m

$418

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

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.

Travel insights for flights from USA to Ireland

Get recent, data-driven insights about flights from USA to Ireland including ideal travel times, pricing trends, and more.

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 $1,016). 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 February 20, 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.

Rainfall in Ireland by month

Plan your trip to Ireland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ireland ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Ireland when rainfall is around 1.9 in.

Temperature in Ireland by month

Plan your trip to Ireland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ireland, 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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 February 20, 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from USA to Ireland by reading reviews from past customers. 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
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,219 reviews
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.6
Good
1,274 reviews
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Austrian Airlines
7.6
Good
773 reviews
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS
7.5
Good
1,568 reviews
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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, 68 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?

    $187 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on PLAY and KLM, with prices starting from $221 and $268, 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 $1,016). 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.
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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$248Average$823FlexibilityNo cancel feeOn-time62%
Scandinavian AirlinesCheapest$277Average$451FlexibilityNo cancel feeOn-time77%
PLAYCheapest$278Average$388FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$292Average$836FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$325Average$812FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$346Average$632FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$352Average$518FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$416Average$803FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$417Average$786FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$419Average$831FlexibilityNo cancel feeOn-time79%
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