Cheap flights from the United States to Ireland from €170

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Ireland departing on 7/7. 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

Discover deals from 900+ travel sites with momondo.

Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from the United States to Ireland

Recent return flight deals from the United States to Ireland

Enter your travel dates to find the best prices.
United Airlines Logo
22:15 - 09:55
EWR
-
DUB
6h 40mdirect
United Airlines Logo
08:00 - 20:35
DUB
-
EWR
16h 35m
1 stop
€294United Airlines
Thu, 26 Feb - Mon, 9 Mar
KLM Logo
21:20 - 08:45
JFK
-
DUB
6h 25mdirect
KLM Logo
10:45 - 14:18
DUB
-
JFK
7h 33mdirect
€295KLM
Wed, 25 Feb - Tue, 17 Mar
Icelandair Logo
20:50 - 13:15
BOS
-
DUB
11h 25m
1 stop
Icelandair Logo
12:15 - 21:45
DUB
-
BOS
14h 30m
1 stop
€295Icelandair
Mon, 4 May - Fri, 15 May
United Airlines Logo
22:15 - 09:55
EWR
-
DUB
6h 40mdirect
United Airlines Logo
13:35 - 16:25
DUB
-
EWR
7h 50mdirect
€295United Airlines
Thu, 26 Feb - Thu, 5 Mar
Delta Logo
21:20 - 08:45
JFK
-
DUB
6h 25mdirect
Delta Logo
10:45 - 13:20
DUB
-
JFK
7h 35mdirect
€296Delta
Mon, 23 Feb - Wed, 4 Mar
JetBlue Logo
21:00 - 09:00
JFK
-
DUB
7h 00mdirect
JetBlue Logo
11:40 - 14:09
DUB
-
JFK
7h 29mdirect
€299JetBlue
Wed, 6 May - Sun, 10 May
JetBlue Logo
21:02 - 08:20
BOS
-
DUB
6h 18mdirect
JetBlue Logo
10:40 - 12:39
DUB
-
BOS
6h 59mdirect
€299JetBlue
Sun, 3 May - Wed, 13 May
Delta Logo
12:25 - 07:45
JFK
-
DUB
14h 20m
1 stop
Delta Logo
10:45 - 13:20
DUB
-
JFK
7h 35mdirect
€301Delta
Thu, 26 Feb - Mon, 2 Mar
Icelandair Logo
15:40 - 11:05
SEA
-
DUB
11h 25m
1 stop
Icelandair Logo
14:15 - 20:40
DUB
-
SEA
14h 25m
1 stop
€344Icelandair
Tue, 14 Apr - Thu, 23 Apr
American Airlines Logo
19:50 - 12:05
PHL
-
DUB
11h 15m
1 stop
American Airlines Logo
12:40 - 14:55
DUB
-
PHL
7h 15mdirect
€394American Airlines
Wed, 8 Apr - Wed, 15 Apr

Delta flights from United States to Ireland

Our best Delta deals on United States to Ireland flight tickets
Delta
1 Feb
JFK21:20New York John F Kennedy Intl
6h 25m
DUB08:45Dublin
10 Feb
DUB10:45Dublin
7h 40m
JFK13:25New York John F Kennedy Intl
€295
Delta
23 Feb
JFK21:20New York John F Kennedy Intl
6h 25m
DUB08:45Dublin
4 Mar
DUB10:45Dublin
7h 35m
JFK13:20New York John F Kennedy Intl
€296
Delta
9 Feb
JFK21:20New York John F Kennedy Intl
6h 25m
DUB08:45Dublin
20 Apr
DUB13:15Dublin
7h 33m
JFK15:48New York John F Kennedy Intl
€300

Icelandair flights from United States to Ireland

Our best Icelandair deals on United States to Ireland flight tickets
Icelandair
4 May
BOS20:50Boston Logan Intl
11h 25m
1 stop
DUB13:15Dublin
15 May
DUB12:15Dublin
14h 30m
1 stop
BOS21:45Boston Logan Intl
€295
Icelandair
20 May
JFK20:30New York John F Kennedy Intl
11h 45m
1 stop
DUB13:15Dublin
26 May
DUB14:15Dublin
12h 50m
1 stop
JFK22:05New York John F Kennedy Intl
€319
Icelandair
2 Mar
JFK19:25New York John F Kennedy Intl
9h 50m
1 stop
DUB10:15Dublin
9 Mar
DUB11:30Dublin
11h 30m
1 stop
JFK19:00New York John F Kennedy Intl
€320

momondo Fare Finder

 
Customise your flight search to find flights from United States to Ireland 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 31 January 2026.
Use the filters below to find and compare flights from the United States to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

NewarkDublin

EWR - DUB

EWRDUB

Newark

Thu 26/2

22:15-09:55

Nonstop6h 40m

Dublin

Mon 9/3

08:00-20:35

1 stop16h 35m

€294

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Wed 25/2

21:20-08:45

Nonstop6h 25m

Dublin

Tue 17/3

10:45-14:18

Nonstop7h 33m

€295

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 4/5

20:50-13:15

1 stop11h 25m

Dublin

Fri 15/5

12:15-21:45

1 stop14h 30m

€295

NewarkDublin

EWR - DUB

EWRDUB

Newark

Thu 26/2

22:15-09:55

Nonstop6h 40m

Dublin

Thu 5/3

13:35-16:25

Nonstop7h 50m

€295

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Mon 23/2

21:20-08:45

Nonstop6h 25m

Dublin

Wed 4/3

10:45-13:20

Nonstop7h 35m

€296

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Wed 6/5

21:00-09:00

Nonstop7h 00m

Dublin

Sun 10/5

11:40-14:09

Nonstop7h 29m

€299

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sun 3/5

21:02-08:20

Nonstop6h 18m

Dublin

Wed 13/5

10:40-12:39

Nonstop6h 59m

€299

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Thu 26/2

12:25-07:45

1 stop14h 20m

Dublin

Mon 2/3

10:45-13:20

Nonstop7h 35m

€301

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 14/4

15:40-11:05

1 stop11h 25m

Dublin

Thu 23/4

14:15-20:40

1 stop14h 25m

€344

PhiladelphiaDublin

PHL - DUB

PHLDUB

Philadelphia

Wed 8/4

19:50-12:05

1 stop11h 15m

Dublin

Wed 15/4

12:40-14:55

Nonstop7h 15m

€394

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Ireland from

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

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 Ireland?

The month of January is another great option to travel to Ireland, with average flight prices from United States averaging around €367.

What is the cheapest day to depart on your flight to Ireland?

The cheapest day to depart on your flight to Ireland is on a Friday when prices can be found for as low as €416. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around €573. These prices are subject to change though, so be sure to set up a Price Alert for flights to Ireland.

What is the cheapest United States to Ireland flight route?

Fly from Boston Logan Intl to Dublin for the best United States - Ireland flight prices

How far in advance should I book a flight to Ireland?

You are more likely to see cheaper flights to Ireland from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around €474 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from United States for as low as €449 on momondo.

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

There are 4 cabin classes available to choose from on United States to Ireland 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 United States to Ireland flights?

You could potentially save up to 29% on your flight if you consider stops on a United States to Ireland flight.

Cheap United States to Ireland flight deals and tips

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

Best price found

€229

Fastest flight time

5h 55m

Direct flights

Every day

Airports in Ireland

77 airports
The best one-way flight to Ireland from United States in the past 72 hours is €229. The best return flight deal from United States to Ireland found on momondo in the last 72 hours is €358.
The fastest flight from United States to Ireland takes 5h 55m
Direct flights go from United States to Ireland every day.
There are 77 airports in Ireland. From United States there are direct flights to Dublin (DUB).
  • When did momondo last update prices for flights from United States to Ireland?

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United States to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The required travel and health documents for your Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Best airlines flying from United States to Ireland

Compare and see reviews for airlines that fly from United States to Ireland with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom €231Free CancellationRating
7.9
8,130 reviews
Search Delta flights
Aer LingusPriceFrom €289Free CancellationRating
7.2
1,444 reviews
Search Aer Lingus flights
United AirlinesPriceFrom €294Free CancellationRating
7.4
9,219 reviews
Search United Airlines flights
JetBluePriceFrom €352Free CancellationRating
7.2
2,892 reviews
Search JetBlue flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from United States to Ireland for you.

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

Yes. momondo allows you to filter the results for United States to Ireland flights to just show those with flexible booking policies.

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

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

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

Yes momondo offers price alerts on flights to Ireland from United States. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Ireland trip

We make it super easy to schedule, organise 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.
1 adult
Mon 2/3
Mon 9/3

Find better results for your trip to Ireland

Popular Cities in Ireland

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