Ireland

$250+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — DUB
May 4 — May 111
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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 April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$488
(oojo)

One-way from

$250
(CheapOair)

Popular in

June

Cheapest in

January

Average price

$653

Good round-trip deal

$580 or less

Good one-way deal

$438 or less
Provider with most accurate pricing for New York (NYC)-Dublin flight deals.
Provider most trusted by Cheapflights users for New York (NYC)-Dublin flights.
From USA to Ireland
One-way flight from USA to Ireland
Highest demand for flights based on searches. 14% potential increase in price ($96 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from USA to Ireland.
Price to beat on a one-way flight from USA to Ireland.

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 April 29, 2025.

This oojo deal was found by Cheapflights users on 4/28. 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.
Fri 9/55:10 pmJFK - DUB
2 stops21h 05mScandinavian Airlines
Sun 9/149:45 pmDUB - JFK
1 stop22h 55mScandinavian Airlines
Deal found 4/28$486
This United Airlines deal was found by Cheapflights users on 4/27. 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 8/227:29 pmLGA - DUB
1 stop30h 41mUnited Airlines
Sat 8/309:20 amDUB - LGA
1 stop29h 11mUnited Airlines
Deal found 4/27$488
This Delta deal was found by Cheapflights users on 4/28. 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 5/129:20 pmJFK - DUB
Nonstop6h 55mDelta
Sun 5/181:15 pmDUB - JFK
Nonstop7h 35mDelta
Deal found 4/28$492
This Delta deal was found by Cheapflights users on 4/28. 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.
Wed 8/611:40 pmBOS - DUB
Nonstop6h 05mDelta
Wed 8/1310:00 amDUB - BOS
1 stop14h 21mDelta
Deal found 4/28$492
This Air France deal was found by Cheapflights users on 4/28. 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 10/209:35 pmJFK - DUB
Nonstop6h 40mAir France
Wed 10/2910:45 amDUB - JFK
Nonstop7h 40mAir France
Deal found 4/28$493
This Air Canada deal was found by Cheapflights users on 4/27. 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 7/215:50 amBOS - DUB
1 stop20h 55mAir Canada
Thu 7/319:20 amDUB - BOS
1 stop17h 36mAir Canada
Deal found 4/27$494
This Mytrip deal was found by Cheapflights users on 4/27. 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 8/85:50 amBOS - DUB
1 stop20h 55mMultiple Airlines
Fri 8/158:45 amDUB - BOS
1 stop11h 40mMultiple Airlines
Deal found 4/27$495
This Iberia deal was found by Cheapflights users on 4/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/136:45 pmJFK - DUB
1 stop10h 05mMultiple Airlines
Thu 5/229:15 amDUB - JFK
1 stop14h 40mMultiple Airlines
Deal found 4/28$496
This CheapOair deal was found by Cheapflights users on 4/28. 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.
Sat 8/28:15 pmLGA - DUB
1 stop30h 30mAir Canada
Sat 8/169:20 amDUB - LGA
1 stop15h 11mAir Canada
Deal found 4/28$496
This CrystalTravel deal was found by Cheapflights users on 4/28. 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.
Fri 8/155:40 pmBOS - DUB
2 stops34h 35mScandinavian Airlines
Wed 8/278:15 pmDUB - BOS
2 stops24h 20mScandinavian Airlines
Deal found 4/28$496
This FlightHub deal was found by Cheapflights users on 4/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/159:15 pmJFK - DUB
Nonstop6h 25mAer Lingus
Sun 11/2311:10 amDUB - JFK
Nonstop7h 40mAer Lingus
Deal found 4/28$498
This United Airlines deal was found by Cheapflights users on 4/28. 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 7/252:46 pmBOS - DUB
1 stop11h 24mUnited Airlines
Thu 8/79:20 amDUB - BOS
1 stop10h 15mUnited Airlines
Deal found 4/28$498

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 April 29, 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 5/13

5:10 pm-6:15 pm

2 stops20h 05m

Dublin

Thu 5/22

7:05 pm-3:40 pm

2 stops25h 35m

$488

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Sun 5/11

9:20 pm-9:15 am

Nonstop6h 55m

Dublin

Sun 5/18

1:15 pm-3:50 pm

Nonstop7h 35m

$492

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 7/21

5:50 am-7:45 am

1 stop20h 55m

Dublin

Thu 7/31

9:20 am-9:56 pm

1 stop17h 36m

$494

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Tue 5/13

6:45 pm-9:50 am

1 stop10h 05m

Dublin

Thu 5/22

9:15 am-6:55 pm

1 stop14h 40m

$496

New YorkDublin

LGA - DUB

LGADUB

New York LaGuardia

Sun 7/20

5:45 pm-7:45 am

1 stop9h 00m

Dublin

Mon 7/28

9:20 am-7:31 pm

1 stop15h 11m

$496

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 5/12

4:00 pm-9:15 am

1 stop12h 15m

Dublin

Tue 5/20

3:00 pm-5:10 pm

Nonstop7h 10m

$497

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Fri 7/25

2:46 pm-7:10 am

1 stop11h 24m

Dublin

Thu 8/7

9:20 am-2:35 pm

1 stop10h 15m

$498

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Tue 7/22

8:30 pm-5:50 pm

1 stop16h 20m

Dublin

Mon 8/18

6:40 pm-12:50 pm

1 stop23h 10m

$499

New YorkDublin

LGA - DUB

LGADUB

New York LaGuardia

Fri 7/25

2:59 pm-7:10 am

1 stop11h 11m

Dublin

Tue 8/5

9:20 am-6:10 pm

1 stop13h 50m

$500

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Thu 6/12

11:35 pm-10:45 am

Nonstop6h 10m

Dublin

Tue 6/17

3:00 pm-5:10 pm

Nonstop7h 10m

$501

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

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 $1,006). 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 April 29, 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 April 29, 2025.
Get a feel of what it's like to fly with Delta, Alaska 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.
8.0
Very good

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

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.
8.0
Very good
8.0
Very good

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

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.
8.0
Very good

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

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.
8.0
Very good

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

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.
8.0
Very good

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

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.
8.0
Very good

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

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?

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

    $261 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on Icelandair and PLAY, with prices starting from $271 and $286, 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 $1,006). 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.

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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$248Average$820FlexibilityNo cancel feeOn-time62%
PLAYCheapest$280Average$378FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$281Average$468FlexibilityNo cancel feeOn-time77%
DeltaCheapest$292Average$822FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$344Average$526FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$352Average$567FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$415Average$768FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$416Average$745FlexibilityNo cancel feeOn-time77%
SWISSCheapest$419Average$838FlexibilityNo cancel feeOn-time79%
KLMCheapest$424Average$780FlexibilityNo cancel feeOn-time75%

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