Cheap flights from Ireland to the United States from $226

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 4/9. 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 - 3:40 pm
DUB
-
EWR
25h 35m
1 stop
Scandinavian Airlines Logo
6:30 pm - 11:45 am
EWR
-
DUB
12h 15m
1 stop
$313Scandinavian Airlines
Mon, Feb 23 - Sun, Mar 1
Scandinavian Airlines Logo
8:20 pm - 1:35 pm
DUB
-
EWR
22h 15m
1 stop
Scandinavian Airlines Logo
5:40 pm - 10:45 am
EWR
-
DUB
12h 05m
1 stop
$324Scandinavian Airlines
Mon, Feb 23 - Mon, Mar 2
Scandinavian Airlines Logo
8:20 pm - 2:35 pm
DUB
-
EWR
22h 15m
1 stop
Scandinavian Airlines Logo
6:40 pm - 10:45 am
EWR
-
DUB
12h 05m
1 stop
$325Scandinavian Airlines
Mon, Mar 16 - Mon, Mar 23
American Airlines Logo
11:30 am - 11:24 pm
DUB
-
LGA
15h 54m
2 stops
American Airlines Logo
12:49 pm - 9:35 am
LGA
-
DUB
15h 46m
1 stop
$465American Airlines
Wed, Mar 25 - Sun, Mar 29
United Airlines Logo
1:35 pm - 8:11 pm
DUB
-
BOS
11h 36m
1 stop
United Airlines Logo
7:28 pm - 9:55 am
BOS
-
DUB
9h 27m
1 stop
$466United Airlines
Fri, Feb 27 - Sat, Mar 7
Delta Logo
11:30 am - 6:24 pm
DUB
-
LGA
11h 54m
1 stop
Delta Logo
7:00 pm - 9:20 am
LGA
-
DUB
10h 20m
1 stop
$472Delta
Fri, Feb 27 - Sun, Mar 8
Delta Logo
11:30 am - 7:30 pm
DUB
-
LGA
12h 00m
1 stop
Delta Logo
2:59 pm - 7:45 am
LGA
-
DUB
12h 46m
1 stop
$474Delta
Mon, Mar 9 - Sun, Mar 15
Air France Logo
11:30 am - 5:20 pm
DUB
-
LGA
9h 50m
1 stop
Air France Logo
5:00 pm - 9:20 am
LGA
-
DUB
12h 20m
1 stop
$479Air France
Tue, Mar 10 - Sat, Mar 21
Air France Logo
11:30 am - 5:20 pm
DUB
-
LGA
9h 50m
1 stop
Air France Logo
5:00 pm - 9:20 am
LGA
-
DUB
12h 20m
1 stop
$480Air France
Tue, Mar 10 - Sat, Mar 21
American Airlines Logo
11:30 am - 10:30 pm
DUB
-
LAS
19h 00m
1 stop
American Airlines Logo
7:00 am - 8:40 am
LAS
-
DUB
18h 40m
1 stop
$513American Airlines
Mon, Mar 2 - Mon, Mar 9

TAP AIR PORTUGAL flights from Ireland to United States

Our best TAP AIR PORTUGAL deals on Ireland to United States flight tickets
TAP AIR PORTUGAL
Feb 9
DUB5:05 pmDublin
27h 25m
1 stop
EWR3:30 pmNewark
Feb 18
EWR11:55 pmNewark
18h 25m
1 stop
DUB11:20 pmDublin
$525
TAP AIR PORTUGAL
Feb 11
DUB4:55 pmDublin
34h 05m
2 stops
EWR10:00 pmNewark
Feb 26
EWR12:15 amNewark
18h 05m
2 stops
DUB11:20 pmDublin
$538
TAP AIR PORTUGAL
Apr 14
DUB6:50 pmDublin
24h 40m
1 stop
MIA2:30 pmMiami
Apr 21
MIA4:30 pmMiami
26h 25m
1 stop
DUB11:55 pmDublin
$626

Aer Lingus flights from Ireland to United States

Our best Aer Lingus deals on Ireland to United States flight tickets
Aer Lingus
May 20
DUB4:45 pmDublin
7h 35m
JFK7:20 pmNew York John F Kennedy Intl
May 25
JFK11:45 pmNew York John F Kennedy Intl
6h 35m
DUB11:20 amDublin
$455
Aer Lingus
May 9
DUB4:45 pmDublin
7h 35m
JFK7:20 pmNew York John F Kennedy Intl
May 18
JFK4:55 pmNew York John F Kennedy Intl
6h 35m
DUB4:30 amDublin
$463
Aer Lingus
Jun 4
DUB11:10 amDublin
7h 30m
JFK1:40 pmNew York John F Kennedy Intl
Jun 12
JFK4:55 pmNew York John F Kennedy Intl
6h 35m
DUB4:30 amDublin
$469

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 February 8, 2026.
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

Mon 2/23

7:05 pm-3:40 pm

1 stop25h 35m

Newark

Sun 3/1

6:30 pm-11:45 am

1 stop12h 15m

$313

DublinNewark

DUB - EWR

DUBEWR

Dublin

Mon 2/23

8:20 pm-1:35 pm

1 stop22h 15m

Newark

Mon 3/2

5:40 pm-10:45 am

1 stop12h 05m

$324

DublinNewark

DUB - EWR

DUBEWR

Dublin

Mon 3/16

8:20 pm-2:35 pm

1 stop22h 15m

Newark

Mon 3/23

6:40 pm-10:45 am

1 stop12h 05m

$325

DublinNew York

DUB - LGA

DUBLGA

Dublin

Wed 3/25

11:30 am-11:24 pm

2 stops15h 54m

New York LaGuardia

Sun 3/29

12:49 pm-9:35 am

1 stop15h 46m

$465

DublinBoston

DUB - BOS

DUBBOS

Dublin

Fri 2/27

1:35 pm-8:11 pm

1 stop11h 36m

Boston Logan Intl

Sat 3/7

7:28 pm-9:55 am

1 stop9h 27m

$466

DublinNew York

DUB - LGA

DUBLGA

Dublin

Fri 2/27

11:30 am-6:24 pm

1 stop11h 54m

New York LaGuardia

Sun 3/8

7:00 pm-9:20 am

1 stop10h 20m

$472

DublinNew York

DUB - LGA

DUBLGA

Dublin

Mon 3/9

11:30 am-7:30 pm

1 stop12h 00m

New York LaGuardia

Sun 3/15

2:59 pm-7:45 am

1 stop12h 46m

$474

DublinNew York

DUB - LGA

DUBLGA

Dublin

Tue 3/10

11:30 am-5:20 pm

1 stop9h 50m

New York LaGuardia

Sat 3/21

5:00 pm-9:20 am

1 stop12h 20m

$479

DublinNew York

DUB - LGA

DUBLGA

Dublin

Tue 3/10

11:30 am-5:20 pm

1 stop9h 50m

New York LaGuardia

Sat 3/21

5:00 pm-9:20 am

1 stop12h 20m

$480

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Mon 3/2

11:30 am-10:30 pm

1 stop19h 00m

Las Vegas Harry Reid Intl

Mon 3/9

7:00 am-8:40 am

1 stop18h 40m

$513

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 $459. 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 $460.

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 $595. 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 $738. 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 $483. Try not to purchase tickets in the morning because they tend to be around $678. 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 $578 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 $506 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 35% 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

$458

Fastest flight time

6h 55m

Direct flights

Every day

Airports in United States

4,296 airports
The best one-way flight to United States from Ireland in the past 72 hours is $458. The best round-trip flight deal from Ireland to United States found on momondo in the last 72 hours is $406.
The fastest flight from Ireland to United States takes 6h 55m
Direct flights go from Ireland to United States every day.
There are 4,296 airports in United States. From Ireland there are direct flights to Boston Logan Intl (BOS).
  • 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 $361Free CancellationRating
7.1
606 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $374Free CancellationRating
7.1
2,135 reviews
Search TAP AIR PORTUGAL flights
DeltaPriceFrom $389Free CancellationRating
7.9
8,173 reviews
Search Delta flights
Aer LingusPriceFrom $398Free CancellationRating
7.2
1,447 reviews
Search Aer Lingus flights
KLMPriceFrom $427Free CancellationRating
7.7
1,450 reviews
Search KLM flights
Air FrancePriceFrom $428Free CancellationRating
7.4
1,531 reviews
Search Air France flights
United AirlinesPriceFrom $438Free CancellationRating
7.4
9,259 reviews
Search United Airlines flights
British AirwaysPriceFrom $444Free CancellationRating
6.7
7,721 reviews
Search British Airways flights
JetBluePriceFrom $469Free CancellationRating
7.2
2,894 reviews
Search JetBlue 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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1 adult
Tue 3/10
Tue 3/17

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