Cheap flights from Ireland to the United States from €223

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 25/2. 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 return flight deals from Ireland to the United States

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
19:05 - 15:40
DUB
-
EWR
25h 35m
1 stop
Scandinavian Airlines Logo
18:40 - 10:45
EWR
-
DUB
12h 05m
1 stop
€266Scandinavian Airlines
Sun, 1 Mar - Sun, 8 Mar
Scandinavian Airlines Logo
20:20 - 14:35
DUB
-
EWR
22h 15m
1 stop
Scandinavian Airlines Logo
19:30 - 11:20
EWR
-
DUB
11h 50m
1 stop
€283Scandinavian Airlines
Mon, 9 Mar - Sat, 21 Mar
Aer Lingus Logo
16:45 - 18:59
DUB
-
BOS
7h 14mdirect
Aer Lingus Logo
17:10 - 04:15
BOS
-
DUB
6h 05mdirect
€348Aer Lingus
Sat, 14 Feb - Tue, 24 Feb
Aer Lingus Logo
16:45 - 18:59
DUB
-
BOS
7h 14mdirect
Aer Lingus Logo
17:10 - 04:15
BOS
-
DUB
6h 05mdirect
€350Aer Lingus
Mon, 2 Feb - Sun, 8 Feb
British Airways Logo
11:30 - 11:21
DUB
-
BOS
28h 51m
1 stop
British Airways Logo
11:10 - 08:40
BOS
-
DUB
16h 30m
1 stop
€351British Airways
Sun, 1 Feb - Sun, 8 Feb
American Airlines Logo
11:30 - 17:01
DUB
-
BOS
10h 31m
1 stop
American Airlines Logo
17:45 - 08:40
BOS
-
DUB
9h 55m
1 stop
€355American Airlines
Wed, 28 Jan - Tue, 3 Feb
American Airlines Logo
11:30 - 17:01
DUB
-
BOS
10h 31m
1 stop
American Airlines Logo
18:54 - 08:40
BOS
-
DUB
8h 46m
1 stop
€356American Airlines
Thu, 29 Jan - Wed, 4 Feb
British Airways Logo
11:30 - 17:06
DUB
-
BOS
10h 36m
1 stop
British Airways Logo
07:00 - 08:40
BOS
-
DUB
20h 40m
1 stop
€358British Airways
Sat, 31 Jan - Fri, 6 Feb
KLM Logo
11:30 - 17:22
DUB
-
LGA
10h 52m
1 stop
KLM Logo
18:59 - 09:20
LGA
-
DUB
10h 21m
1 stop
€401KLM
Mon, 2 Mar - Mon, 9 Mar
KLM Logo
17:15 - 17:05
DUB
-
MCO
28h 50m
1 stop
KLM Logo
12:00 - 07:45
MCO
-
DUB
14h 45m
1 stop
€439KLM
Sat, 14 Feb - Tue, 24 Feb

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
21 Jan
DUB04:25Dublin
20h 45m
1 stop
BOS20:10Boston Logan Intl
31 Jan
BOS22:25Boston Logan Intl
19h 55m
1 stop
DUB23:20Dublin
€401
TAP AIR PORTUGAL
19 Jan
DUB17:05Dublin
26h 45m
1 stop
MIA14:50Miami
3 Feb
MIA16:35Miami
25h 45m
1 stop
DUB23:20Dublin
€455

British Airways flights from Ireland to United States

Our best British Airways deals on Ireland to United States flight tickets
British Airways
1 Feb
DUB11:30Dublin
28h 51m
1 stop
BOS11:21Boston Logan Intl
8 Feb
BOS11:10Boston Logan Intl
16h 30m
1 stop
DUB08:40Dublin
€351
British Airways
31 Jan
DUB11:30Dublin
10h 36m
1 stop
BOS17:06Boston Logan Intl
6 Feb
BOS07:00Boston Logan Intl
20h 40m
1 stop
DUB08:40Dublin
€358
British Airways
13 Mar
DUB08:50Dublin
18h 05m
1 stop
BOS22:55Boston Logan Intl
21 Mar
BOS20:10Boston Logan Intl
12h 35m
1 stop
DUB12:45Dublin
€359

momondo Fare Finder

 
Customise 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 13,528 searches. Data last updated 17 January 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

Sun 1/3

19:05-15:40

1 stop25h 35m

Newark

Sun 8/3

18:40-10:45

1 stop12h 05m

€266

DublinNewark

DUB - EWR

DUBEWR

Dublin

Mon 9/3

20:20-14:35

1 stop22h 15m

Newark

Sat 21/3

19:30-11:20

1 stop11h 50m

€283

DublinBoston

DUB - BOS

DUBBOS

Dublin

Sat 14/2

16:45-18:59

Nonstop7h 14m

Boston Logan Intl

Tue 24/2

17:10-04:15

Nonstop6h 05m

€348

DublinBoston

DUB - BOS

DUBBOS

Dublin

Mon 2/2

16:45-18:59

Nonstop7h 14m

Boston Logan Intl

Sun 8/2

17:10-04:15

Nonstop6h 05m

€350

DublinBoston

DUB - BOS

DUBBOS

Dublin

Sun 1/2

11:30-11:21

1 stop28h 51m

Boston Logan Intl

Sun 8/2

11:10-08:40

1 stop16h 30m

€351

DublinBoston

DUB - BOS

DUBBOS

Dublin

Wed 28/1

11:30-17:01

1 stop10h 31m

Boston Logan Intl

Tue 3/2

17:45-08:40

1 stop9h 55m

€355

DublinBoston

DUB - BOS

DUBBOS

Dublin

Thu 29/1

11:30-17:01

1 stop10h 31m

Boston Logan Intl

Wed 4/2

18:54-08:40

1 stop8h 46m

€356

DublinBoston

DUB - BOS

DUBBOS

Dublin

Sat 31/1

11:30-17:06

1 stop10h 36m

Boston Logan Intl

Fri 6/2

07:00-08:40

1 stop20h 40m

€358

DublinNew York

DUB - LGA

DUBLGA

Dublin

Mon 2/3

11:30-17:22

1 stop10h 52m

New York LaGuardia

Mon 9/3

18:59-09:20

1 stop10h 21m

€401

DublinOrlando

DUB - MCO

DUBMCO

Dublin

Sat 14/2

17:15-17:05

1 stop28h 50m

Orlando

Tue 24/2

12:00-07:45

1 stop14h 45m

€438

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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?

The cheapest month to fly to United States from Ireland is in February. Flight prices, which tend to average around €393, are often lower during this time because this is during the off-season. 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 €396.

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

According to our data, Thursday is the cheapest day to fly to United States from Ireland. The lowest ticket price found for a Thursday departure recently was €533. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to United States for around €609.

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

Our data shows that the cheapest Ireland to United States flights are usually those with departure times in the evening. Our users have found flights to United States in the evening for as low as €448. Flights in the morning are often more expensive, with an average ticket price of €579.

What is the cheapest Ireland to United States flight route?

Fly from Dublin to Newark 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 €488 when searching weeks before you fly. 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 €437 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?

No. A direct flight is the cheapest option for a flight between 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

€297

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 €297. The best return flight deal from Ireland to United States found on momondo in the last 72 hours is €386.
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 updated daily.

  • 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify 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 licence, 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
DeltaPriceFrom €209Free CancellationRating
7.9
8,069 reviews
Search Delta flights
Scandinavian AirlinesPriceFrom €230Free CancellationRating
7.3
1,654 reviews
Search Scandinavian Airlines flights
PLAYPriceFrom €238Free CancellationRating
7.0
103 reviews
Search PLAY flights
JetBluePriceFrom €292Free CancellationRating
7.2
2,891 reviews
Search JetBlue flights
IcelandairPriceFrom €304Free CancellationRating
7.1
596 reviews
Search Icelandair flights
British AirwaysPriceFrom €304Free CancellationRating
6.7
7,685 reviews
Search British Airways flights
Aer LingusPriceFrom €317Free CancellationRating
7.2
1,435 reviews
Search Aer Lingus flights
TAP AIR PORTUGALPriceFrom €325Free CancellationRating
7.1
2,122 reviews
Search TAP AIR PORTUGAL flights
American AirlinesPriceFrom €338Free CancellationRating
7.2
11,154 reviews
Search American Airlines flights
KLMPriceFrom €358Free CancellationRating
7.7
1,441 reviews
Search KLM flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to United States from Ireland.

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

Yes. All flights to United States from Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to United States from Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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
Mon 16/2
Mon 23/2

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