Cheap flights from Ireland to the United States from $299

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 1/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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
10:45 am - 1:35 pm
DUB
-
EWR
31h 50m2 stops
Scandinavian Airlines Logo
5:40 pm - 10:45 am
EWR
-
DUB
12h 05m1 stop
$336Scandinavian Airlines
Fri, Jan 23 - Mon, Jan 26
Scandinavian Airlines Logo
11:30 am - 1:35 pm
DUB
-
EWR
31h 05m1 stop
Scandinavian Airlines Logo
6:30 pm - 11:20 am
EWR
-
DUB
11h 50m1 stop
$338Scandinavian Airlines
Thu, Jan 29 - Sat, Feb 7
Scandinavian Airlines Logo
11:30 am - 1:35 pm
DUB
-
EWR
31h 05m1 stop
Scandinavian Airlines Logo
5:40 pm - 10:45 am
EWR
-
DUB
12h 05m1 stop
$339Scandinavian Airlines
Thu, Jan 15 - Wed, Jan 21
Aer Lingus Logo
11:15 am - 1:55 pm
DUB
-
JFK
7h 40mnonstop
Aer Lingus Logo
5:00 pm - 4:20 am
JFK
-
DUB
6h 20mnonstop
$414Aer Lingus
Mon, Jan 12 - Mon, Jan 19
Aer Lingus Logo
4:40 pm - 7:29 pm
DUB
-
JFK
7h 49mnonstop
Aer Lingus Logo
9:00 pm - 8:40 am
JFK
-
DUB
6h 40mnonstop
$415Aer Lingus
Fri, Jan 16 - Fri, Jan 23
American Airlines Logo
4:05 pm - 4:15 pm
DUB
-
BOS
29h 10m1 stop
American Airlines Logo
9:35 pm - 3:20 pm
BOS
-
DUB
12h 45m1 stop
$440American Airlines
Thu, Jan 29 - Mon, Feb 2
American Airlines Logo
10:55 am - 10:56 pm
DUB
-
BOS
17h 01m2 stops
American Airlines Logo
7:15 pm - 7:50 pm
BOS
-
DUB
19h 35m1 stop
$446American Airlines
Tue, Jan 27 - Thu, Feb 5
Delta Logo
1:25 pm - 6:55 pm
DUB
-
BOS
10h 30m1 stop
Delta Logo
1:00 pm - 8:00 am
BOS
-
DUB
14h 00m2 stops
$449Delta
Wed, Jan 28 - Tue, Feb 3
Delta Logo
5:55 am - 6:55 pm
DUB
-
BOS
18h 00m1 stop
Delta Logo
10:15 pm - 9:20 am
BOS
-
DUB
6h 05mnonstop
$453Delta
Wed, Feb 25 - Sun, Mar 1
Air France Logo
11:30 am - 5:20 pm
DUB
-
LGA
9h 50m1 stop
Air France Logo
4:00 pm - 9:20 am
LGA
-
DUB
13h 20m1 stop
$524Air France
Tue, Mar 17 - Tue, Mar 24

Aer Lingus flights from Ireland to United States

Our best Aer Lingus deals on Ireland to United States flight tickets
Aer Lingus
Jan 12
DUB11:15 amDublin
7h 40m
JFK1:55 pmNew York John F Kennedy Intl
Jan 20
JFK5:00 pmNew York John F Kennedy Intl
6h 20m
DUB4:20 amDublin
Aer Lingus
Jan 16
DUB4:40 pmDublin
7h 49m
JFK7:29 pmNew York John F Kennedy Intl
Jan 22
JFK5:00 pmNew York John F Kennedy Intl
6h 20m
DUB4:20 amDublin
Aer Lingus
Feb 5
DUB4:40 pmDublin
7h 49m
JFK7:29 pmNew York John F Kennedy Intl
Feb 8
JFK5:00 pmNew York John F Kennedy Intl
6h 20m
DUB4:20 amDublin

Iberia flights from Ireland to United States

Our best Iberia deals on Ireland to United States flight tickets
Iberia
Jan 15
DUB9:40 amDublin
15h 10m
1 stop
BOS7:50 pmBoston Logan Intl
Jan 21
BOS4:45 pmBoston Logan Intl
11h 10m
1 stop
DUB8:55 amDublin
Iberia
Jan 15
DUB9:40 amDublin
15h 10m
1 stop
BOS7:50 pmBoston Logan Intl
Jan 21
BOS5:10 pmBoston Logan Intl
6h 05m
DUB4:15 amDublin
Iberia
Feb 9
DUB1:45 pmDublin
9h 25m
MCO6:10 pmOrlando
Feb 26
MCO1:46 pmOrlando
13h 54m
1 stop
DUB8:40 amDublin

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 December 23, 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

Fri 1/23

10:45 am-1:35 pm

2 stops31h 50m

Newark

Mon 1/26

5:40 pm-10:45 am

1 stop12h 05m

$336

DublinNewark

DUB - EWR

DUBEWR

Dublin

Thu 1/29

11:30 am-1:35 pm

1 stop31h 05m

Newark

Sat 2/7

6:30 pm-11:20 am

1 stop11h 50m

$338

DublinNewark

DUB - EWR

DUBEWR

Dublin

Thu 1/15

11:30 am-1:35 pm

1 stop31h 05m

Newark

Wed 1/21

5:40 pm-10:45 am

1 stop12h 05m

$339

DublinNew York

DUB - JFK

DUBJFK

Dublin

Mon 1/12

11:15 am-1:55 pm

Nonstop7h 40m

New York John F Kennedy Intl

Mon 1/19

5:00 pm-4:20 am

Nonstop6h 20m

$414

DublinNew York

DUB - JFK

DUBJFK

Dublin

Fri 1/16

4:40 pm-7:29 pm

Nonstop7h 49m

New York John F Kennedy Intl

Fri 1/23

9:00 pm-8:40 am

Nonstop6h 40m

$415

DublinBoston

DUB - BOS

DUBBOS

Dublin

Thu 1/29

4:05 pm-4:15 pm

1 stop29h 10m

Boston Logan Intl

Mon 2/2

9:35 pm-3:20 pm

1 stop12h 45m

$440

DublinBoston

DUB - BOS

DUBBOS

Dublin

Tue 1/27

10:55 am-10:56 pm

2 stops17h 01m

Boston Logan Intl

Thu 2/5

7:15 pm-7:50 pm

1 stop19h 35m

$446

DublinBoston

DUB - BOS

DUBBOS

Dublin

Wed 1/28

1:25 pm-6:55 pm

1 stop10h 30m

Boston Logan Intl

Tue 2/3

1:00 pm-8:00 am

2 stops14h 00m

$449

DublinBoston

DUB - BOS

DUBBOS

Dublin

Wed 2/25

5:55 am-6:55 pm

1 stop18h 00m

Boston Logan Intl

Sun 3/1

10:15 pm-9:20 am

Nonstop6h 05m

$453

DublinNew York

DUB - LGA

DUBLGA

Dublin

Tue 3/17

11:30 am-5:20 pm

1 stop9h 50m

New York LaGuardia

Tue 3/24

4:00 pm-9:20 am

1 stop13h 20m

$524

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 $448. 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 $461.

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 $590. 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 $706. 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 $547. Try not to purchase tickets in the morning because they tend to be around $662. 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 Shannon 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 $568 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 30% 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 45m

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 $433.
The fastest flight from Ireland to United States takes 6h 45m
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), New York John F Kennedy Intl (JFK).
  • 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
7.0
592 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $374Free CancellationRating
7.2
2,096 reviews
Search TAP AIR PORTUGAL flights
Aer LingusPriceFrom $385Free CancellationRating
7.2
1,412 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $397Free CancellationRating
7.4
9,109 reviews
Search United Airlines flights
KLMPriceFrom $427Free CancellationRating
7.7
1,434 reviews
Search KLM flights
Air FrancePriceFrom $428Free CancellationRating
7.4
1,513 reviews
Search Air France flights
DeltaPriceFrom $440Free CancellationRating
7.9
8,015 reviews
Search Delta flights
British AirwaysPriceFrom $453Free CancellationRating
6.7
7,607 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $475Free CancellationRating
7.4
1,621 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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1 adult
Thu 1/22
Thu 1/29

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