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Cheap flights from the United States to Ireland from $191

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 12/11. 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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Find the cheapest flights from the United States to Ireland

Recent round-trip flight deals from the United States to Ireland

Finnair Logo
11:45 pm - 5:20 pmJFK-DUB
13h 35m1 stop
Finnair Logo
9:45 am - 7:05 pmDUB-JFK
14h 20m1 stop
$339Finnair
Find Deal
Thu, Oct 30 - Thu, Nov 6
Multiple Airlines Logo
4:50 pm - 7:10 amJFK-DUB
9h 20m1 stop
Multiple Airlines Logo
1:30 pm - 1:05 pmDUB-JFK
28h 35m1 stop
$340Multiple Airlines
Find Deal
Sun, Nov 9 - Sat, Nov 15
Delta Logo
5:30 pm - 9:20 amJFK-DUB
11h 50m1 stop
Delta Logo
6:00 am - 2:15 pmDUB-JFK
13h 15m1 stop
$342Delta
Find Deal
Sun, Oct 26 - Tue, Nov 4
United Airlines Logo
6:00 am - 9:45 amBOS-DUB
22h 45m1 stop
United Airlines Logo
8:00 am - 6:50 pmDUB-BOS
38h 50m2 stops
$343United Airlines
Find Deal
Fri, Oct 24 - Sat, Nov 1
Delta Logo
8:30 am - 7:45 amJFK-DUB
18h 15m1 stop
Delta Logo
5:55 am - 7:20 pmDUB-JFK
18h 25m1 stop
$343Delta
Find Deal
Mon, Dec 8 - Fri, Jan 30
United Airlines Logo
4:10 pm - 7:10 amBOS-DUB
34h 00m2 stops
United Airlines Logo
9:00 am - 2:08 pmDUB-BOS
34h 08m2 stops
$347United Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 12
Aer Lingus Logo
5:00 pm - 4:20 amJFK-DUB
6h 20mnonstop
Aer Lingus Logo
8:30 am - 5:20 pmDUB-JFK
13h 50m1 stop
$357Aer Lingus
Find Deal
Wed, Nov 5 - Tue, Nov 11
Aer Lingus Logo
4:55 pm - 4:25 amJFK-DUB
6h 30mnonstop
Aer Lingus Logo
6:30 am - 5:15 pmDUB-JFK
15h 45m1 stop
$361Aer Lingus
Find Deal
Tue, Oct 14 - Tue, Oct 21
American Airlines Logo
4:45 pm - 10:15 amDFW-DUB
12h 30m1 stop
American Airlines Logo
12:55 pm - 4:35 pmDUB-DFW
9h 40mnonstop
$501American Airlines
Find Deal
Wed, Oct 29 - Fri, Nov 7
American Airlines Logo
9:35 pm - 3:45 pmDFW-DUB
12h 10m1 stop
American Airlines Logo
12:40 pm - 4:20 pmDUB-DFW
9h 40mnonstop
$508American Airlines
Find Deal
Wed, Oct 8 - Thu, Oct 16

Delta flights from United States to Ireland

Our best Delta deals on United States to Ireland flight tickets
Delta
Oct 26
JFK5:30 pmNew York John F Kennedy Intl
11h 50m
1 stop
DUB9:20 amDublin
Nov 4
DUB6:00 amDublin
13h 15m
1 stop
JFK2:15 pmNew York John F Kennedy Intl
$342
Find similar
Delta
Dec 8
JFK8:30 amNew York John F Kennedy Intl
18h 15m
1 stop
DUB7:45 amDublin
Jan 30
DUB5:55 amDublin
18h 25m
1 stop
JFK7:20 pmNew York John F Kennedy Intl
$343
Find similar
Delta
Dec 2
BOS10:05 pmBoston Logan Intl
6h 15m
DUB9:20 amDublin
Dec 7
DUB10:45 amDublin
14h 37m
1 stop
BOS8:22 pmBoston Logan Intl
$344
Find similar

Finnair flights from United States to Ireland

Our best Finnair deals on United States to Ireland flight tickets
Finnair
Oct 30
JFK11:45 pmNew York John F Kennedy Intl
13h 35m
1 stop
DUB5:20 pmDublin
Nov 6
DUB9:45 amDublin
14h 20m
1 stop
JFK7:05 pmNew York John F Kennedy Intl
$339
Find similar
Finnair
Oct 22
JFK12:02 pmNew York John F Kennedy Intl
12h 28m
1 stop
DUB5:30 amDublin
Oct 29
DUB9:45 amDublin
14h 20m
1 stop
JFK8:05 pmNew York John F Kennedy Intl
$344
Find similar
Finnair
Dec 11
JFK10:45 pmNew York John F Kennedy Intl
13h 35m
1 stop
DUB5:20 pmDublin
Dec 15
DUB9:45 amDublin
14h 20m
1 stop
JFK7:05 pmNew York John F Kennedy Intl
$353
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated September 16, 2025.
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

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Thu 10/30

11:45 pm-5:20 pm

1 stop13h 35m

Dublin

Thu 11/6

9:45 am-7:05 pm

1 stop14h 20m

$339

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Sun 11/9

4:50 pm-7:10 am

1 stop9h 20m

Dublin

Sat 11/15

1:30 pm-1:05 pm

1 stop28h 35m

$340

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Sun 10/26

5:30 pm-9:20 am

1 stop11h 50m

Dublin

Tue 11/4

6:00 am-2:15 pm

1 stop13h 15m

$342

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Fri 10/24

6:00 am-9:45 am

1 stop22h 45m

Dublin

Sat 11/1

8:00 am-6:50 pm

2 stops38h 50m

$343

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Mon 12/8

8:30 am-7:45 am

1 stop18h 15m

Dublin

Fri 1/30

5:55 am-7:20 pm

1 stop18h 25m

$343

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Wed 11/5

4:10 pm-7:10 am

2 stops34h 00m

Dublin

Wed 11/12

9:00 am-2:08 pm

2 stops34h 08m

$347

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Wed 11/5

5:00 pm-4:20 am

Nonstop6h 20m

Dublin

Tue 11/11

8:30 am-5:20 pm

1 stop13h 50m

$357

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Tue 10/14

4:55 pm-4:25 am

Nonstop6h 30m

Dublin

Tue 10/21

6:30 am-5:15 pm

1 stop15h 45m

$361

DallasDublin

DFW - DUB

DFWDUB

Dallas/Fort Worth

Wed 10/29

4:45 pm-10:15 am

1 stop12h 30m

Dublin

Fri 11/7

12:55 pm-4:35 pm

Nonstop9h 40m

$501

DallasDublin

DFW - DUB

DFWDUB

Dallas/Fort Worth

Wed 10/8

9:35 pm-3:45 pm

1 stop12h 10m

Dublin

Thu 10/16

12:40 pm-4:20 pm

Nonstop9h 40m

$508

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 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?

In general, January is the cheapest month to fly from United States to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $474. If you aren’t able to travel to Ireland during the month of January, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $492.

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 Wednesday when prices can be found for as low as $724. This is often the case because there is less demand to fly during this day of the week. Flights from United States to Ireland on a Saturday will generally be more expensive and average around $846. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Ireland is in the afternoon. momondo users have found flights departing from United States to Ireland in the afternoon for as low as $666. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Ireland is in the morning when prices are around $849.

What is the cheapest United States to Ireland flight route?

Fly from Newark to Shannon 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 $606 when searching weeks out. 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 $532 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.

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

1 airport
The best one-way flight to Ireland from United States in the past 72 hours is $229. The best round-trip flight deal from United States to Ireland found on momondo in the last 72 hours is $392.
The fastest flight from United States to Ireland takes 5h 55m
Direct flights go from United States to Ireland every day.
There is 1 airport near Ireland: Dublin (DUB)
Search flight deals

  • When did momondo last update prices for flights from United States to Ireland?

    Prices for flights from United States to Ireland refresh daily.

  • 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 for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to Ireland.

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

    The travel and health documents required for your trip to Ireland 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 Ireland. 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 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
JetBluePriceFrom $88Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
SWISSPriceFrom $204Free CancellationRating
7.6
1,737 reviews
Search SWISS flights
DeltaPriceFrom $244Free CancellationRating
7.9
7,957 reviews
Search Delta flights
PLAYPriceFrom $283Free CancellationRating
7.0
103 reviews
Search PLAY flights
IcelandairPriceFrom $346Free CancellationRating
7.0
544 reviews
Search Icelandair flights
Air CanadaPriceFrom $349Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
United AirlinesPriceFrom $353Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
TAP AIR PORTUGALPriceFrom $354Free CancellationRating
7.1
1,975 reviews
Search TAP AIR PORTUGAL flights
KLMPriceFrom $362Free CancellationRating
7.8
1,386 reviews
Search KLM flights
Aer LingusPriceFrom $367Free CancellationRating
7.2
1,274 reviews
Search Aer Lingus flights

Why use momondo?

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

It is quick and easy to find United States to Ireland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ireland that suits 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?

Once you have performed a search for United States to Ireland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of United States to Ireland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Ireland trip

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Find better results for your trip to Ireland

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