What is the cheapest airline that flies from Ireland to United States?

TAP AIR PORTUGAL, Scandinavian Airlines, and WestJet are the most popular carriers operating from Ireland to United States

How many flights depart from Ireland to United States on average per week?

587 flights are operational weekly from Ireland to United States as of September 2025. The most popular departure day for this route is Thu, with 15% of flights per week taking off on this day.

How many flights depart from Ireland to United States on average per day?

As of September 2025, 83 flights take off from Ireland and land in United States each day. The most common flight departure time for this route is 1:00PM, with 78% of daily flights taking off in the afternoon.

How long is the flight from Ireland to United States?

Flight times vary depending on what airport in Ireland you fly out of and what airport in United States you fly into. For example, flying from Dublin to Los Angeles takes 11h on average. On the other hand, flying from Milltown (Kerry) to Los Angeles takes 15h on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

What airlines fly to United States?

Aer Lingus, American Airlines and Delta are the top three most popular airlines that fly to United States from Ireland according to our data. Aer Lingus is the first choice among our users, with 64% of people opting to fly with this airline when traveling to United States. Keep in mind that there are 14 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Ireland to United States?

Prices for flights from Ireland to United States are refreshed on a daily basis.

How many operators does momondo search for flights from Ireland to United States?

There are 14 operators available for flights from Ireland to United States as of September 2025.

How old do you have to be to fly from Ireland to United States?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ireland to United States.

What documentation or ID do you need to fly to United States?

The travel and health documents required for your trip to United States can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United States. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$264 Cheap Flights from Ireland to the United States in 2025

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Find the cheapest flights from Ireland to the United States

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Ireland to the United States

11:30 am - 5:50 pmDUB-BOS

11h 20m1 stop

11:35 am - 10:15 amBOS-DUB

17h 40m1 stop

$404Icelandair

Find Deal

Thu, Nov 27 - Thu, Dec 4

12:40 pm - 2:40 pmDUB-BOS

7h 00mnonstop

9:20 pm - 8:20 amBOS-DUB

6h 00mnonstop

$405Aer Lingus

Find Deal

Wed, Oct 22 - Tue, Nov 4

8:35 am - 5:05 pmDUB-JFK

13h 30m1 stop

10:55 pm - 3:05 pmJFK-DUB

11h 10m1 stop

$411British Airways

Find Deal

Fri, Oct 3 - Fri, Oct 10

10:55 am - 9:55 pmDUB-BOS

16h 00m1 stop

7:25 pm - 5:25 pmBOS-DUB

17h 00m1 stop

$419American Airlines

Find Deal

Sat, Feb 14 - Thu, Feb 19

3:50 pm - 5:05 pmDUB-BOS

30h 15m1 stop

7:25 pm - 5:00 pmBOS-DUB

16h 35m1 stop

$423American Airlines

Find Deal

Sat, Oct 25 - Tue, Nov 4

8:50 am - 7:54 pmDUB-BOS

16h 04m2 stops

2:20 pm - 9:50 amBOS-DUB

14h 30m2 stops

$427British Airways

Find Deal

Thu, Feb 12 - Mon, Feb 23

8:50 am - 7:55 pmDUB-BOS

15h 05m1 stop

10:20 pm - 9:20 amBOS-DUB

6h 00mnonstop

$429Delta

Find Deal

Fri, Oct 31 - Thu, Nov 6

8:50 am - 7:20 pmDUB-JFK

15h 30m1 stop

9:20 pm - 8:45 amJFK-DUB

6h 25mnonstop

$429Delta

Find Deal

Mon, Nov 3 - Wed, Nov 12

9:20 am - 2:52 pmDUB-EWR

10h 32m1 stop

6:00 am - 7:45 amEWR-DUB

20h 45m2 stops

$431United Airlines

Find Deal

Thu, Sep 25 - Sun, Sep 28

9:20 am - 9:30 pmDUB-LGA

17h 10m1 stop

1:18 pm - 9:45 amLGA-DUB

15h 27m1 stop

$431United Airlines

Find Deal

Sat, Sep 27 - Wed, Oct 1

Delta flights from Ireland to United States

Our best Delta deals on Ireland to United States flight tickets

Delta

Oct 31

DUB8:50 amDublin

15h 05m

1 stop

BOS7:55 pmBoston Logan Intl

Nov 6

BOS10:20 pmBoston Logan Intl

6h 00m

DUB9:20 amDublin

$429

Find similar

Delta

Sep 22

DUB5:55 amDublin

14h 30m

1 stop

JFK3:25 pmNew York John F Kennedy Intl

Sep 29

JFK4:30 pmNew York John F Kennedy Intl

10h 45m

1 stop

DUB8:15 amDublin

$431

Find similar

Delta

Sep 19

DUB5:55 amDublin

11h 25m

1 stop

JFK12:20 pmNew York John F Kennedy Intl

Sep 21

JFK12:50 amNew York John F Kennedy Intl

10h 50m

1 stop

DUB4:40 pmDublin

$436

Find similar

United Airlines flights from Ireland to United States

Our best United Airlines deals on Ireland to United States flight tickets

United Airlines

Sep 18

DUB9:20 amDublin

32h 23m

2 stops

BOS12:43 pmBoston Logan Intl

Sep 28

BOS10:20 amBoston Logan Intl

16h 25m

1 stop

DUB7:45 amDublin

$419

Find similar

United Airlines

Sep 25

DUB9:20 amDublin

13h 35m

1 stop

BOS5:55 pmBoston Logan Intl

Oct 2

BOS4:23 pmBoston Logan Intl

12h 57m

2 stops

DUB10:20 amDublin

$431

Find similar

United Airlines

Sep 25

DUB9:20 amDublin

10h 10m

1 stop

BOS2:30 pmBoston Logan Intl

Oct 13

BOS8:02 pmBoston Logan Intl

10h 08m

1 stop

DUB11:10 amDublin

$432

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinBoston

DUB - BOS

DUBBOS

Dublin

Thu 11/27

11:30 am-5:50 pm

1 stop11h 20m

Boston Logan Intl

Thu 12/4

11:35 am-10:15 am

1 stop17h 40m

$404

DublinBoston

DUB - BOS

DUBBOS

Dublin

Wed 10/22

12:40 pm-2:40 pm

Nonstop7h 00m

Boston Logan Intl

Tue 11/4

9:20 pm-8:20 am

Nonstop6h 00m

$405

DublinNew York

DUB - JFK

DUBJFK

Dublin

Fri 10/3

8:35 am-5:05 pm

1 stop13h 30m

New York John F Kennedy Intl

Fri 10/10

10:55 pm-3:05 pm

1 stop11h 10m

$411

DublinBoston

DUB - BOS

DUBBOS

Dublin

Sat 2/14

10:55 am-9:55 pm

1 stop16h 00m

Boston Logan Intl

Thu 2/19

7:25 pm-5:25 pm

1 stop17h 00m

$419

DublinBoston

DUB - BOS

DUBBOS

Dublin

Sat 10/25

3:50 pm-5:05 pm

1 stop30h 15m

Boston Logan Intl

Tue 11/4

7:25 pm-5:00 pm

1 stop16h 35m

$423

DublinBoston

DUB - BOS

DUBBOS

Dublin

Thu 2/12

8:50 am-7:54 pm

2 stops16h 04m

Boston Logan Intl

Mon 2/23

2:20 pm-9:50 am

2 stops14h 30m

$427

DublinBoston

DUB - BOS

DUBBOS

Dublin

Fri 10/31

8:50 am-7:55 pm

1 stop15h 05m

Boston Logan Intl

Thu 11/6

10:20 pm-9:20 am

Nonstop6h 00m

$429

DublinNew York

DUB - JFK

DUBJFK

Dublin

Mon 11/3

8:50 am-7:20 pm

1 stop15h 30m

New York John F Kennedy Intl

Wed 11/12

9:20 pm-8:45 am

Nonstop6h 25m

$429

DublinNewark

DUB - EWR

DUBEWR

Dublin

Thu 9/25

9:20 am-2:52 pm

1 stop10h 32m

Newark

Sun 9/28

6:00 am-7:45 am

2 stops20h 45m

$431

DublinNew York

DUB - LGA

DUBLGA

Dublin

Sat 9/27

9:20 am-9:30 pm

1 stop17h 10m

New York LaGuardia

Wed 10/1

1:18 pm-9:45 am

1 stop15h 27m

$431

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Ireland to United States

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to United States?

In general, February is the cheapest month to fly from Ireland to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $463. If you aren’t able to travel during the month of February, then book flights to United States from Ireland during September instead. Flights to United States in September, while not as cheap as those in February, still average around $484.

What is the cheapest day to depart on your flight to United States?

According to our data, Wednesday is the cheapest day to fly to United States from Ireland. The lowest ticket price found for a Wednesday departure recently was $605. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $664. These prices are subject to change though, so be sure to set up a Price Alert for flights to United States.

What is the cheapest time of day to depart on your flight to United States?

The cheapest time of day to fly to United States is in the evening when flights can be purchased for as low as $411. Try not to purchase tickets in the morning because they tend to be around $688. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Ireland to United States flight route?

Fly from Dublin to New York John F Kennedy Intl for the best Ireland - United States flight prices

How far in advance should I book a flight to United States?

You are more likely to see cheaper flights to United States from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to United States for around $571 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from Ireland for as low as $530 on momondo.

What cabin class options are available on Ireland to United States flights?

There are 4 cabin classes available to choose from on Ireland to United States flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ireland to United States flights?

You could potentially save up to 10% on your flight if you consider stops on a Ireland to United States flight.

Cheap Ireland to United States flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to United States

Best Price Found	$463
Fastest flight time	7h 00m
Direct flights	Every day
Airports in United States	1 airport

The best one-way flight to United States from Ireland in the past 72 hours is $463. The best round-trip flight deal from Ireland to United States found on momondo in the last 72 hours is $435.

The fastest flight from Ireland to United States takes 7h 00m

Direct flights go from Ireland to United States every day.

There is 1 airport near United States: Boston Logan Intl (BOS)

Search flight deals

When did momondo last update prices for flights from Ireland to United States?
Prices for flights from Ireland to United States are refreshed on a daily basis.
How many operators does momondo search for flights from Ireland to United States?
There are 14 operators available for flights from Ireland to United States as of September 2025.
How old do you have to be to fly from Ireland to United States?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ireland to United States.
What documentation or ID do you need to fly to United States?
The travel and health documents required for your trip to United States can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United States. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Ireland to United States?
Based on momondo bookings for flights between Ireland and United States, the leading plane model is Boeing 777, making up 21.33% of the total bookings. Other popular models include Airbus A330-300 with 12.25%, Boeing 767-300 (winglets) with 12.17%, and Boeing 757-200 with 11.84%.

Best airlines flying from Ireland to United States

Compare and see reviews for airlines that fly from Ireland to United States with momondo

Airline	Rating	Free Cancellation	Price
PLAY	PriceFrom $284	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
Icelandair	PriceFrom $337	Free Cancellation	Rating 7.0 546 reviews	Search Icelandair flights
JetBlue	PriceFrom $367	Free Cancellation	Rating 7.2 2,913 reviews	Search JetBlue flights
KLM	PriceFrom $386	Free Cancellation	Rating 7.8 1,385 reviews	Search KLM flights
United Airlines	PriceFrom $397	Free Cancellation	Rating 7.4 8,937 reviews	Search United Airlines flights
Aer Lingus	PriceFrom $409	Free Cancellation	Rating 7.2 1,271 reviews	Search Aer Lingus flights
British Airways	PriceFrom $414	Free Cancellation	Rating 6.6 7,361 reviews	Search British Airways flights
Air France	PriceFrom $427	Free Cancellation	Rating 7.4 1,469 reviews	Search Air France flights
American Airlines	PriceFrom $427	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Scandinavian Airlines	PriceFrom $445	Free Cancellation	Rating 7.4 1,484 reviews	Search Scandinavian Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to United States?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ireland to United States. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ireland to United States with flexible booking policies on momondo?

Flights from Ireland to United States with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Ireland to United States?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ireland to United States.

I’m not ready to book a flight from Ireland to United States right now. Can momondo alert me if prices change?

Price alerts on flights to United States from Ireland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Popular cities in the United States

Flights to New Yorkfrom $49

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Flights to Washington, D.C.from $51

Flights to Bostonfrom $60

Flights to Atlantafrom $51

Flights to Dallasfrom $63

Flights to Seattlefrom $78

Cheap flights from Ireland to the United States from $286

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to the United States departing on 11/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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Find the cheapest flights from Ireland to the United States

Recent round-trip flight deals from Ireland to the United States

Recent one-way flight deals from Ireland to the United States

Recent last minute flight deals from Ireland to the United States

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Delta flights from Ireland to United States

Our best Delta deals on Ireland to United States flight tickets

United Airlines flights from Ireland to United States

Our best United Airlines deals on Ireland to United States flight tickets

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

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How to get the cheapest flight ticket from Ireland to United States

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to United States?

What is the cheapest day to depart on your flight to United States?

What is the cheapest time of day to depart on your flight to United States?

The cheapest time of day to fly to United States is in the evening when flights can be purchased for as low as $411. Try not to purchase tickets in the morning because they tend to be around $688. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Ireland to United States flight route?

Fly from Dublin to New York John F Kennedy Intl for the best Ireland - United States flight prices

How far in advance should I book a flight to United States?

What cabin class options are available on Ireland to United States flights?

There are 4 cabin classes available to choose from on Ireland to United States flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ireland to United States flights?

You could potentially save up to 10% on your flight if you consider stops on a Ireland to United States flight.

What is the cheapest airline that flies from Ireland to United States?

TAP AIR PORTUGAL, Scandinavian Airlines, and WestJet are the most popular carriers operating from Ireland to United States

What airlines fly to United States?

How many flights depart from Ireland to United States on average per day?

As of September 2025, 83 flights take off from Ireland and land in United States each day. The most common flight departure time for this route is 1:00PM, with 78% of daily flights taking off in the afternoon.

How many flights depart from Ireland to United States on average per week?

587 flights are operational weekly from Ireland to United States as of September 2025. The most popular departure day for this route is Thu, with 15% of flights per week taking off on this day.

How long is the flight from Ireland to United States?

Cheap Ireland to United States flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to United States

Best Price Found

Fastest flight time

Direct flights

Airports in United States

When did momondo last update prices for flights from Ireland to United States?

How many operators does momondo search for flights from Ireland to United States?

How old do you have to be to fly from Ireland to United States?

What documentation or ID do you need to fly to United States?

What is the most popular plane model from Ireland to United States?

Best airlines flying from Ireland to United States

Compare and see reviews for airlines that fly from Ireland to United States with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to United States?

Can I find flights from Ireland to United States with flexible booking policies on momondo?

How can momondo help me find flights from Ireland to United States?

I’m not ready to book a flight from Ireland to United States right now. Can momondo alert me if prices change?

An easier way to manage your United States trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo