How popular is this USA to Ireland flight route?

Within the past month, 61 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?

$232 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 $247 and $278, respectively.

How far in advance should I book a flight from USA to Ireland?

Users have found that booking a flight from USA to Ireland at least 30 days early can save you up to 34% on average compared to booking a flight this week. If booking 30 days before your flight isn’t an option for you, users have found flights from USA to Ireland for as little as $630 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $858 for flights departing within the next 3 days.

What is the cheapest month to fly from USA to Ireland?

January can be a great time to fly to Ireland from USA with a flight ticket averaging about $596. Cheapflights users have found deals in the month of January for as cheap as $338. The most expensive prices can be found in the month of June.

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.

$434+ Flights from the United States to Ireland

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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”

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Cheap flight deals from USA to Ireland

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$421 (FlightHub)
One-way from	$229 (Kiwi.com)
Popular in	June
Cheapest in	January
Average price	$651
Good round-trip deal	$585 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. 14% potential increase in price ($98 potential increase over avg. RT price).

Search Deals

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 April 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 abril 11, 2025.

jue. 5/85:30 pmBOS - DUB

Nonstop6h 00mAer Lingus

dom. 5/184:45 pmDUB - BOS

Nonstop7h 00mAer Lingus

Deal found 4/10

$421

dom. 5/187:15 pmBOS - DUB

1 stop9h 20mPLAY

dom. 5/2511:35 amDUB - BOS

1 stop11h 15mPLAY

Deal found 4/10

$422

mié. 8/1310:20 amBOS - DUB

1 stop16h 25mAir Canada

mié. 8/209:50 amDUB - BOS

1 stop29h 05mAir Canada

Deal found 4/10

$427

dom. 10/266:35 pmBOS - DUB

2 stops13h 10mScandinavian Airlines

lun. 11/312:30 pmDUB - BOS

2 stops32h 20mScandinavian Airlines

Deal found 4/10

$431

mar. 4/299:03 pmBOS - DUB

Nonstop6h 17mJetBlue

mié. 4/3010:40 amDUB - BOS

Nonstop7h 00mJetBlue

Deal found 4/10

$432

sáb. 8/169:30 amBOS - DUB

1 stop19h 50mUnited Airlines

lun. 8/259:20 amDUB - BOS

2 stops13h 53mUnited Airlines

Deal found 4/11

$435

vie. 5/307:15 pmBOS - DUB

2 stops18h 55mMultiple Airlines

mié. 6/47:15 pmDUB - BOS

2 stops27h 35mMultiple Airlines

Deal found 4/10

$438

mar. 4/291:58 pmBOS - DUB

1 stop10h 32mAmerican Airlines

mar. 5/1311:45 amDUB - BOS

1 stop12h 25mAmerican Airlines

Deal found 4/11

$446

vie. 7/114:30 pmBOS - DUB

1 stop11h 00mIberia

vie. 7/189:15 amDUB - BOS

1 stop15h 35mIberia

Deal found 4/10

$449

lun. 6/3010:00 pmBOS - DUB

1 stop11h 40mBritish Airways

mar. 8/123:25 pmDUB - BOS

1 stop12h 15mBritish Airways

Deal found 4/10

$456

mié. 6/1111:00 pmJFK - DUB

1 stop10h 35mMultiple Airlines

dom. 6/153:40 pmDUB - JFK

1 stop11h 50mMultiple Airlines

Deal found 4/10

$458

jue. 8/145:05 pmBOS - DUB

1 stop14h 05mSWISS

dom. 8/246:40 pmDUB - BOS

1 stop30h 15mSWISS

Deal found 4/10

$458

Best flights from USA to Ireland
Discover carefully curated flight deals from USA to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated abril 11, 2025.

jue. 5/85:30 pmBOS - DUB

Nonstop6h 00mAer Lingus

dom. 5/184:45 pmDUB - BOS

Nonstop7h 00mAer Lingus

Deal found 4/10

$421

dom. 5/187:15 pmBOS - DUB

1 stop9h 20mPLAY

dom. 5/2511:35 amDUB - BOS

1 stop11h 15mPLAY

Deal found 4/10

$422

mar. 4/299:03 pmBOS - DUB

Nonstop6h 17mJetBlue

lun. 5/510:40 amDUB - BOS

Nonstop7h 00mJetBlue

Deal found 4/10

$432

vie. 5/307:15 pmBOS - DUB

2 stops18h 55mMultiple Airlines

mié. 6/47:15 pmDUB - BOS

2 stops27h 35mMultiple Airlines

Deal found 4/10

$438

sáb. 5/31:58 pmBOS - DUB

1 stop10h 32mAmerican Airlines

lun. 5/129:30 amDUB - BOS

1 stop11h 08mAmerican Airlines

Deal found 4/10

$449

jue. 5/89:30 amBOS - DUB

2 stops18h 00mIberia

dom. 5/119:15 amDUB - BOS

1 stop15h 35mIberia

Deal found 4/10

$454

lun. 6/3010:00 pmBOS - DUB

1 stop11h 40mBritish Airways

mar. 8/123:25 pmDUB - BOS

1 stop12h 15mBritish Airways

Deal found 4/10

$456

mié. 4/306:55 pmJFK - DUB

1 stop11h 55mScandinavian Airlines

mié. 5/147:05 pmDUB - JFK

1 stop26h 55mScandinavian Airlines

Deal found 4/9

$460

jue. 5/811:25 pmBOS - DUB

Nonstop6h 20mDelta

mar. 5/133:00 pmDUB - BOS

Nonstop7h 10mDelta

Deal found 4/10

$462

jue. 8/76:00 amLGA - DUB

1 stop23h 20mUnited Airlines

sáb. 8/169:20 amDUB - LGA

1 stop29h 11mUnited Airlines

Deal found 4/10

$488

lun. 9/85:45 pmLGA - DUB

1 stop9h 00mAir Canada

lun. 9/229:20 amDUB - LGA

1 stop27h 32mAir Canada

Deal found 4/10

$495

jue. 5/1510:55 pmJFK - DUB

1 stop13h 20mFinnair

vie. 5/239:45 amDUB - JFK

1 stop14h 20mFinnair

Deal found 4/9

$515

Last-minute flights from USA to Ireland
Discover last-minute flight deals from USA to Ireland. Data last updated abril 11, 2025 and is based on user searches.

mar. 4/1512:55 pmJFK - DUB

1 stop27h 20mMultiple Airlines

jue. 5/16:15 pmDUB - JFK

1 stop33h 15mMultiple Airlines

Deal found 4/10

$518

mié. 4/1611:57 amJFK - DUB

1 stop12h 33mFinnair

mar. 4/2211:45 amDUB - JFK

1 stop12h 15mFinnair

Deal found 4/9

$536

sáb. 4/197:15 pmBOS - DUB

1 stop10h 15mPLAY

mié. 4/2311:35 amDUB - BOS

1 stop11h 15mPLAY

Deal found 4/10

$492

sáb. 4/195:10 pmJFK - DUB

1 stop13h 20mScandinavian Airlines

mié. 5/712:40 pmDUB - JFK

1 stop33h 20mScandinavian Airlines

Deal found 4/10

$495

sáb. 4/196:35 pmLGA - DUB

1 stop34h 10mMultiple Airlines

mié. 5/79:50 amDUB - LGA

1 stop30h 01mMultiple Airlines

Deal found 4/10

$569

dom. 4/204:55 pmJFK - DUB

Nonstop6h 30mAer Lingus

mié. 5/711:05 amDUB - JFK

Nonstop7h 20mAer Lingus

Deal found 4/10

$521

dom. 4/209:25 pmJFK - DUB

Nonstop6h 50mKLM

mar. 4/291:15 pmDUB - JFK

Nonstop7h 30mKLM

Deal found 4/10

$531

dom. 4/2011:30 pmBOS - DUB

Nonstop6h 15mDelta

mar. 4/2912:00 pmDUB - BOS

Nonstop7h 05mDelta

Deal found 4/10

$531

dom. 4/203:55 pmLGA - DUB

1 stop9h 35mAmerican Airlines

mar. 4/2911:45 amDUB - LGA

1 stop11h 34mAmerican Airlines

Deal found 4/10

$546

dom. 4/201:30 pmEWR - DUB

1 stop11h 00mAmerican Airlines

mar. 4/2912:45 pmDUB - EWR

1 stop11h 40mAmerican Airlines

Deal found 4/10

$549

dom. 4/207:00 amLGA - DUB

1 stop21h 45mUnited Airlines

mar. 4/299:50 amDUB - LGA

2 stops33h 16mUnited Airlines

Deal found 4/10

$568

dom. 4/205:55 amEWR - DUB

1 stop23h 25mUnited Airlines

mié. 5/79:50 amDUB - EWR

1 stop28h 22mUnited Airlines

Deal found 4/10

$569

One-way flights from USA to Ireland
Search for one-way flight options from USA to Ireland. Find affordable one-way fares based on user searches. Data last updated abril 11, 2025.

dom. 5/411:00 pmEWR - DUB

1 stop30h 55mMultiple Airlines

Deal found 4/9

$229

dom. 7/1310:50 pmEWR - DUB

1 stop14h 15mTAP AIR PORTUGAL

Deal found 4/10

$232

mar. 10/78:25 pmEWR - DUB

1 stop9h 40mIcelandair

Deal found 4/8

$247

mié. 4/168:50 pmBOS - DUB

3 stops47h 05mMultiple Airlines

Deal found 4/10

$277

dom. 5/117:15 pmBOS - DUB

1 stop9h 20mPLAY

Deal found 4/10

$278

sáb. 4/2611:10 pmJFK - DUB

3 stops59h 25mMultiple Airlines

Deal found 4/9

$294

dom. 7/66:00 amLGA - DUB

2 stops37h 40mMultiple Airlines

Deal found 4/10

$306

mar. 10/78:25 pmJFK - DUB

Nonstop6h 55mJetBlue

Deal found 4/9

$308

lun. 5/56:00 amLGA - DUB

1 stop21h 15mAir Canada

Deal found 4/10

$312

mar. 10/711:25 pmEWR - DUB

Nonstop6h 45mUnited Airlines

Deal found 4/8

$318

mar. 10/75:00 pmLGA - DUB

1 stop11h 45mUnited Airlines

Deal found 4/9

$323

mar. 10/79:00 amJFK - DUB

2 stops18h 15mAir Canada

Deal found 4/8

$325

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United States to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

jue. 5/8

5:30 pm-4:30 am

Nonstop6h 00m

Dublin

dom. 5/18

4:45 pm-6:45 pm

Nonstop7h 00m

$421

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

dom. 5/18

7:15 pm-9:35 am

1 stop9h 20m

Dublin

dom. 5/25

11:35 am-5:50 pm

1 stop11h 15m

$422

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

mié. 8/13

10:20 am-7:45 am

1 stop16h 25m

Dublin

mié. 8/20

9:50 am-9:55 am

1 stop29h 05m

$427

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

mar. 8/12

10:45 am-7:10 am

2 stops15h 25m

Dublin

jue. 8/21

9:20 am-9:56 pm

1 stop17h 36m

$429

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

mar. 4/29

9:03 pm-8:20 am

Nonstop6h 17m

Dublin

mié. 4/30

10:40 am-12:40 pm

Nonstop7h 00m

$432

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

vie. 5/30

7:15 pm-7:10 pm

2 stops18h 55m

Dublin

mié. 6/4

7:15 pm-5:50 pm

2 stops27h 35m

$438

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

mar. 10/7

5:40 pm-6:15 pm

1 stop19h 35m

Dublin

mié. 10/15

11:45 am-3:35 pm

2 stops32h 50m

$440

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

mar. 4/29

1:58 pm-5:30 am

1 stop10h 32m

Dublin

mar. 5/13

11:45 am-7:10 pm

1 stop12h 25m

$446

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

vie. 7/11

4:30 pm-8:30 am

1 stop11h 00m

Dublin

vie. 7/18

9:15 am-7:50 pm

1 stop15h 35m

$449

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

lun. 6/30

7:40 pm-11:50 am

1 stop11h 10m

Dublin

mar. 7/8

3:25 pm-10:40 pm

1 stop12h 15m

$456

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Showing 1-10 of 60 results

...

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?

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

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

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 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

7,910 reviews

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

7,910 reviews

Delta

8.0

Very good

7,910 reviews

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

8.0

Very good

280 reviews

Delta

8.0

Very good

7,910 reviews

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

1,321 reviews

Delta

8.0

Very good

7,910 reviews

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

385 reviews

Delta

8.0

Very good

7,910 reviews

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

1,269 reviews

Delta

8.0

Very good

7,910 reviews

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

How popular is this USA to Ireland flight route?
Within the past month, 61 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?
$232 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 $247 and $278, 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

Top 10 airlines flying from USA to Ireland

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest$248	Average$813	FlexibilityNo cancel fee	On-time62%
Scandinavian Airlines	Cheapest$277	Average$469	FlexibilityNo cancel fee	On-time77%
PLAY	Cheapest$281	Average$391	FlexibilityNo cancel fee	On-timeN/A
Delta	Cheapest$292	Average$828	FlexibilityNo cancel fee	On-timeN/A
Icelandair	Cheapest$344	Average$515	FlexibilityNo cancel fee	On-time76%
TAP AIR PORTUGAL	Cheapest$352	Average$563	FlexibilityNo cancel fee	On-timeN/A
Aer Lingus	Cheapest$414	Average$768	FlexibilityNo cancel fee	On-timeN/A
Air France	Cheapest$416	Average$754	FlexibilityNo cancel fee	On-time77%
SWISS	Cheapest$419	Average$823	FlexibilityNo cancel fee	On-time79%
British Airways	Cheapest$421	Average$873	FlexibilityNo cancel fee	On-time70%

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$229+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from USA to Ireland with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 abril 11, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from USA to Ireland

Cheapest flights from USA to IrelandExplore 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 abril 11, 2025.

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 abril 11, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United States to Ireland that are best for you.

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.

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?

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 abril 11, 2025.

Rainfall in Ireland by month

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

Temperature in Ireland by month

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

Reviews of airlines servicing Ireland

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.

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?

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

How can I find direct flights from USA to Ireland?

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

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

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

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Travel Smart

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 abril 11, 2025.