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$220+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — DUB
Mar 26 — Apr 21
Wed 3/26
Wed 4/2
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 March 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$389
(Booking.com)

One-way from

$220
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$499

Good round-trip deal

$535 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. 15% potential increase in price ($109 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 21, 2025.

This Gotogate deal was found by Cheapflights users on 3/21. 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.
Fri 3/287:20 pmBOS - DUB
1 stop10h 20mPLAY
Fri 4/411:35 amDUB - BOS
1 stop11h 15mPLAY
Deal found 3/21$387
This Icelandair deal was found by Cheapflights users on 3/20. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:25 pmJFK - DUB
1 stop9h 50mIcelandair
Thu 11/2711:30 amDUB - JFK
1 stop11h 40mIcelandair
Deal found 3/20$412
This Icelandair deal was found by Cheapflights users on 3/19. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/58:00 pmBOS - DUB
1 stop9h 15mIcelandair
Fri 1/911:30 amDUB - BOS
1 stop11h 15mIcelandair
Deal found 3/19$412
This oojo deal was found by Cheapflights users on 3/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/115:10 pmJFK - DUB
1 stop13h 20mScandinavian Airlines
Wed 5/2111:45 amDUB - JFK
2 stops32h 55mScandinavian Airlines
Deal found 3/20$415
This United deal was found by Cheapflights users on 3/19. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:05 amLGA - DUB
1 stop23h 00mUnited Airlines
Wed 11/129:00 amDUB - LGA
1 stop27h 53mUnited Airlines
Deal found 3/19$415
This United Airlines deal was found by Cheapflights users on 3/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:00 amBOS - DUB
1 stop23h 05mUnited Airlines
Wed 12/109:00 amDUB - BOS
1 stop29h 57mUnited Airlines
Deal found 3/20$415
This Mytrip deal was found by Cheapflights users on 3/20. 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.
Tue 5/67:15 pmBOS - DUB
2 stops18h 20mMultiple Airlines
Mon 5/127:45 pmDUB - BOS
2 stops27h 05mMultiple Airlines
Deal found 3/20$417
This Gotogate deal was found by Cheapflights users on 3/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/246:59 amJFK - DUB
1 stop20h 16mMultiple Airlines
Mon 11/106:40 pmDUB - JFK
1 stop27h 00mMultiple Airlines
Deal found 3/20$418
This Air Canada deal was found by Cheapflights users on 3/20. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/810:05 amJFK - DUB
2 stops16h 05mAir Canada
Sat 11/159:00 amDUB - JFK
2 stops16h 42mAir Canada
Deal found 3/20$429
This Air Canada deal was found by Cheapflights users on 3/20. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/253:50 pmLGA - DUB
1 stop10h 20mAir Canada
Wed 12/39:00 amDUB - LGA
1 stop11h 58mAir Canada
Deal found 3/20$429
This Air Canada deal was found by Cheapflights users on 3/20. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/15:40 pmBOS - DUB
2 stops32h 30mAir Canada
Fri 12/129:00 amDUB - BOS
2 stops16h 18mAir Canada
Deal found 3/20$429
This oojo deal was found by Cheapflights users on 3/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/185:40 pmBOS - DUB
1 stop19h 35mScandinavian Airlines
Mon 8/257:05 pmDUB - BOS
1 stop25h 30mScandinavian Airlines
Deal found 3/20$434

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 March 21, 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

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 4/2

7:15 pm-10:15 am

1 stop10h 00m

Dublin

Sun 4/6

11:35 am-5:50 pm

1 stop11h 15m

$388

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Sun 5/11

5:10 pm-11:30 am

1 stop13h 20m

Dublin

Wed 5/21

11:45 am-3:40 pm

2 stops32h 55m

$415

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Tue 5/6

7:15 pm-6:35 pm

2 stops18h 20m

Dublin

Mon 5/12

7:45 pm-5:50 pm

2 stops27h 05m

$417

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 8/18

5:40 pm-6:15 pm

1 stop19h 35m

Dublin

Mon 8/25

7:05 pm-3:35 pm

1 stop25h 30m

$434

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Wed 4/30

6:20 pm-11:10 am

1 stop11h 50m

Dublin

Tue 5/6

4:10 pm-11:25 am

1 stop24h 15m

$444

NewarkDublin

EWR - DUB

EWRDUB

Newark

Thu 4/3

5:30 am-10:35 am

3 stops24h 05m

Dublin

Sun 4/13

11:35 am-12:55 pm

3 stops30h 20m

$470

NewarkDublin

EWR - DUB

EWRDUB

Newark

Wed 4/16

5:15 pm-6:15 pm

1 stop20h 00m

Dublin

Wed 4/23

7:05 pm-1:15 pm

2 stops23h 10m

$471

NewarkDublin

EWR - DUB

EWRDUB

Newark

Wed 4/2

5:55 am-10:20 am

1 stop23h 25m

Dublin

Sun 4/6

9:50 am-8:09 am

1 stop27h 19m

$494

New YorkDublin

LGA - DUB

LGADUB

New York LaGuardia

Wed 4/2

6:00 am-10:20 am

1 stop23h 20m

Dublin

Sun 4/6

9:50 am-7:51 am

1 stop27h 01m

$494

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Fri 4/18

9:03 pm-9:00 am

Nonstop6h 57m

Dublin

Thu 4/24

11:45 am-2:14 pm

Nonstop7h 29m

$509

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

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 $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 March 21, 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 March 21, 2025.
Get a feel of what it's like to fly with Delta, Porter Airlines and KLM 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
7,895 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

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
7,895 reviews
Delta
8.0
Very good
7,895 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

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.
Porter Airlines
7.9
Good
275 reviews
Delta
8.0
Very good
7,895 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

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
1,319 reviews
Delta
8.0
Very good
7,895 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

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.
Air Transat
7.8
Good
380 reviews
Delta
8.0
Very good
7,895 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

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
1,266 reviews
Delta
8.0
Very good
7,895 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

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, 64 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?

    $248 is the cheapest one-way deal found within the past few days, from PLAY. You may also be able to find cheap deals on Icelandair and TAP AIR PORTUGAL, with prices starting from $260 and $285, 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

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.
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Newark to Leonardo da Vinci/Fiumicino flights
Newark to Athens flights
John F Kennedy Intl to Athens flights
LaGuardia to Heathrow flights
Los Angeles to Heathrow flights
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San Francisco to Heathrow flights
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Newark to Barcelona-El Prat flights
John F Kennedy Intl to Malpensa flights
LaGuardia to Charles de Gaulle flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
Miami to Madrid flights
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Baltimore to Heathrow flights
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John F Kennedy Intl to Frederic Chopin flights
Dallas/Fort Worth to Heathrow flights
Stewart to Stansted flights
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LaGuardia to Leonardo da Vinci/Fiumicino flights
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Boston to Leonardo da Vinci/Fiumicino flights
Boston to Dublin flights
Los Angeles to Charles de Gaulle flights
O'Hare Intl to Athens flights
Dallas/Fort Worth to Charles de Gaulle flights
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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 March 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$248Average$819FlexibilityNo cancel feeOn-time62%
Scandinavian AirlinesCheapest$277Average$464FlexibilityNo cancel feeOn-time77%
PLAYCheapest$281Average$386FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$292Average$826FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$345Average$532FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$352Average$557FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$415Average$767FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$416Average$797FlexibilityNo cancel feeOn-time77%
SWISSCheapest$419Average$863FlexibilityNo cancel feeOn-time79%
British AirwaysCheapest$421Average$854FlexibilityNo cancel feeOn-time70%
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