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Cheap flights from Ireland to the United States from $239

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 1/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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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

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
7:05 pm - 1:25 pmDUB-EWR
23h 20m2 stops
Scandinavian Airlines Logo
6:40 pm - 10:45 amEWR-DUB
12h 05m1 stop
$299Scandinavian Airlines
Find Deal
qui, mar 5 - seg, mar 9
Scandinavian Airlines Logo
11:30 am - 1:25 pmDUB-EWR
30h 55m2 stops
Scandinavian Airlines Logo
6:30 pm - 11:45 amEWR-DUB
12h 15m1 stop
$304Scandinavian Airlines
Find Deal
qui, fev 5 - dom, fev 8
American Airlines Logo
3:10 pm - 9:55 pmDUB-BOS
11h 45m1 stop
American Airlines Logo
5:50 pm - 12:45 pmBOS-DUB
13h 55m2 stops
$449American Airlines
Find Deal
qua, dez 10 - sáb, mar 7
American Airlines Logo
10:45 am - 6:40 pmDUB-JFK
12h 55m1 stop
American Airlines Logo
7:25 pm - 7:50 pmJFK-DUB
20h 25m1 stop
$449American Airlines
Find Deal
dom, mar 1 - sex, mar 13
Delta Logo
8:50 am - 2:20 pmDUB-ORD
11h 30m1 stop
Delta Logo
6:20 pm - 3:45 pmORD-DUB
16h 25m1 stop
$464Delta
Find Deal
dom, mar 1 - qua, mar 11
Delta Logo
6:00 am - 1:40 pmDUB-BOS
12h 40m1 stop
Delta Logo
6:30 pm - 3:45 pmBOS-DUB
16h 15m1 stop
$464Delta
Find Deal
sex, nov 21 - dom, nov 30
United Airlines Logo
9:00 am - 7:03 pmDUB-LGA
15h 03m1 stop
United Airlines Logo
1:15 pm - 8:10 amLGA-DUB
13h 55m1 stop
$465United Airlines
Find Deal
seg, jan 12 - seg, jan 19
United Airlines Logo
9:00 am - 3:38 pmDUB-LGA
11h 38m1 stop
United Airlines Logo
11:15 am - 8:10 amLGA-DUB
15h 55m1 stop
$466United Airlines
Find Deal
sáb, jan 24 - sáb, jan 31
Aer Lingus Logo
3:15 pm - 5:50 pmDUB-LAS
10h 35mnonstop
Aer Lingus Logo
8:55 pm - 7:05 pmLAS-DUB
14h 10m1 stop
$510Aer Lingus
Find Deal
qui, jan 22 - sáb, jan 31
Aer Lingus Logo
3:20 pm - 5:55 pmDUB-ORD
8h 35mnonstop
Aer Lingus Logo
5:10 pm - 11:15 amORD-DUB
12h 05m1 stop
$530Aer Lingus
Find Deal
sáb, nov 22 - sex, fev 27

Aer Lingus flights from Ireland to United States

Our best Aer Lingus deals on Ireland to United States flight tickets
Aer Lingus
Nov 15
DUB11:15 amDublin
7h 40m
JFK1:55 pmNew York John F Kennedy Intl
Nov 24
JFK5:00 pmNew York John F Kennedy Intl
6h 20m
DUB4:20 amDublin
$466
Find similar
Aer Lingus
Nov 17
DUB4:45 pmDublin
7h 40m
JFK7:25 pmNew York John F Kennedy Intl
Nov 24
JFK5:00 pmNew York John F Kennedy Intl
6h 20m
DUB4:20 amDublin
$467
Find similar
Aer Lingus
Nov 15
DUB4:45 pmDublin
7h 40m
JFK7:25 pmNew York John F Kennedy Intl
Nov 18
JFK5:00 pmNew York John F Kennedy Intl
6h 20m
DUB4:20 amDublin
$470
Find similar

American Airlines flights from Ireland to United States

Our best American Airlines deals on Ireland to United States flight tickets
American Airlines
Dec 10
DUB3:10 pmDublin
11h 45m
1 stop
BOS9:55 pmBoston Logan Intl
Mar 7
BOS5:50 pmBoston Logan Intl
13h 55m
2 stops
DUB12:45 pmDublin
$449
Find similar
American Airlines
Dec 8
DUB8:50 amDublin
12h 10m
1 stop
BOS4:00 pmBoston Logan Intl
Jan 8
BOS7:15 pmBoston Logan Intl
17h 10m
1 stop
DUB5:25 pmDublin
$450
Find similar
American Airlines
Nov 18
DUB1:25 pmDublin
11h 40m
1 stop
JFK8:05 pmNew York John F Kennedy Intl
Nov 28
JFK9:50 pmNew York John F Kennedy Intl
11h 30m
1 stop
DUB2:20 pmDublin
$451
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ireland to United States 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, momondo users made 832,500 searches. Data last updated novembro 6, 2025.
Use the filters below to find and compare flights from Ireland to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinNewark

DUB - EWR

DUBEWR

Dublin

qui 3/5

7:05 pm-1:25 pm

2 stops23h 20m

Newark

seg 3/9

6:40 pm-10:45 am

1 stop12h 05m

$299

DublinNewark

DUB - EWR

DUBEWR

Dublin

qui 2/5

11:30 am-1:25 pm

2 stops30h 55m

Newark

dom 2/8

6:30 pm-11:45 am

1 stop12h 15m

$304

DublinBoston

DUB - BOS

DUBBOS

Dublin

qua 12/10

3:10 pm-9:55 pm

1 stop11h 45m

Boston Logan Intl

sáb 3/7

5:50 pm-12:45 pm

2 stops13h 55m

$449

DublinNew York

DUB - JFK

DUBJFK

Dublin

dom 3/1

10:45 am-6:40 pm

1 stop12h 55m

New York John F Kennedy Intl

sex 3/13

7:25 pm-7:50 pm

1 stop20h 25m

$449

DublinChicago

DUB - ORD

DUBORD

Dublin

dom 3/1

8:50 am-2:20 pm

1 stop11h 30m

Chicago O'Hare Intl

qua 3/11

6:20 pm-3:45 pm

1 stop16h 25m

$464

DublinBoston

DUB - BOS

DUBBOS

Dublin

sex 11/21

6:00 am-1:40 pm

1 stop12h 40m

Boston Logan Intl

dom 11/30

6:30 pm-3:45 pm

1 stop16h 15m

$464

DublinNew York

DUB - LGA

DUBLGA

Dublin

seg 1/12

9:00 am-7:03 pm

1 stop15h 03m

New York LaGuardia

seg 1/19

1:15 pm-8:10 am

1 stop13h 55m

$465

DublinNew York

DUB - LGA

DUBLGA

Dublin

sáb 1/24

9:00 am-3:38 pm

1 stop11h 38m

New York LaGuardia

sáb 1/31

11:15 am-8:10 am

1 stop15h 55m

$466

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

qui 1/22

3:15 pm-5:50 pm

Nonstop10h 35m

Las Vegas Harry Reid Intl

sáb 1/31

8:55 pm-7:05 pm

1 stop14h 10m

$510

DublinChicago

DUB - ORD

DUBORD

Dublin

sáb 11/22

3:20 pm-5:55 pm

Nonstop8h 35m

Chicago O'Hare Intl

sex 2/27

5:10 pm-11:15 am

1 stop12h 05m

$530

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to the United States from

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?

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 $452. 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 $464.

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 $594. 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 $694. 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 afternoon when flights can be purchased for as low as $546. Try not to purchase tickets in the morning because they tend to be around $680. 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 Boston Logan 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 $503 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 36% 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

$445

Fastest flight time

7h 00m

Direct flights

Every day

Airports in United States

2 airports
The best one-way flight to United States from Ireland in the past 72 hours is $445. The best round-trip flight deal from Ireland to United States found on momondo in the last 72 hours is $410.
The fastest flight from Ireland to United States takes 7h 00m
Direct flights go from Ireland to United States every day.
There are 2 airports near United States: Newark (EWR), 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?

  • 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?

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
PLAYPriceFrom $284Free CancellationRating
7.0
103 reviews
Search PLAY flights
IcelandairPriceFrom $337Free CancellationRating
7.1
572 reviews
Search Icelandair flights
KLMPriceFrom $386Free CancellationRating
7.7
1,405 reviews
Search KLM flights
Aer LingusPriceFrom $388Free CancellationRating
7.2
1,365 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $397Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights
American AirlinesPriceFrom $427Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
Air FrancePriceFrom $428Free CancellationRating
7.4
1,484 reviews
Search Air France flights
British AirwaysPriceFrom $430Free CancellationRating
6.7
7,500 reviews
Search British Airways flights
DeltaPriceFrom $440Free CancellationRating
7.9
8,001 reviews
Search Delta flights
Scandinavian AirlinesPriceFrom $445Free CancellationRating
7.4
1,564 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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