Cheap flights from the United States to Ireland from $193

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 1/26. 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

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Multiple Airlines Logo
3:30 pm - 7:10 amLGA-DUB
10h 40m1 stop
Multiple Airlines Logo
9:00 am - 4:57 pmDUB-LGA
12h 57m2 stops
$327Multiple Airlines
Find Deal
Thu, Jan 8 - Mon, Jan 12
Air Canada Logo
3:30 pm - 7:10 amLGA-DUB
10h 40m1 stop
Air Canada Logo
9:00 am - 3:38 pmDUB-LGA
11h 38m1 stop
$330Air Canada
Find Deal
Thu, Nov 13 - Wed, Nov 19
United Airlines Logo
6:00 am - 10:20 amLGA-DUB
23h 20m1 stop
United Airlines Logo
9:00 am - 11:59 amDUB-LGA
31h 59m1 stop
$331United Airlines
Find Deal
Wed, Nov 12 - Mon, Nov 17
United Airlines Logo
6:00 am - 10:20 amLGA-DUB
24h 20m1 stop
United Airlines Logo
9:50 am - 10:51 amDUB-LGA
30h 01m1 stop
$335United Airlines
Find Deal
Tue, Mar 24 - Mon, Mar 30
Aer Lingus Logo
5:10 pm - 4:15 amBOS-DUB
6h 05mnonstop
Aer Lingus Logo
4:45 pm - 6:55 pmDUB-BOS
7h 10mnonstop
$341Aer Lingus
Find Deal
Mon, Nov 24 - Wed, Dec 3
Aer Lingus Logo
5:10 pm - 4:15 amBOS-DUB
6h 05mnonstop
Aer Lingus Logo
4:45 pm - 6:55 pmDUB-BOS
7h 10mnonstop
$342Aer Lingus
Find Deal
Mon, Nov 24 - Wed, Dec 3
Delta Logo
9:20 pm - 8:45 amJFK-DUB
6h 25mnonstop
Delta Logo
10:45 am - 1:20 pmDUB-JFK
7h 35mnonstop
$349Delta
Find Deal
Sun, Nov 9 - Fri, Dec 5
Delta Logo
10:20 pm - 9:20 amBOS-DUB
6h 00mnonstop
Delta Logo
11:30 am - 1:40 pmDUB-BOS
7h 10mnonstop
$349Delta
Find Deal
Sun, Nov 9 - Mon, Nov 17
American Airlines Logo
6:35 pm - 10:15 amEWR-DUB
10h 40m1 stop
American Airlines Logo
6:40 am - 7:35 pmDUB-EWR
17h 55m1 stop
$393American Airlines
Find Deal
Fri, Feb 13 - Tue, Feb 17
American Airlines Logo
1:25 pm - 11:15 amSEA-DUB
13h 50m1 stop
American Airlines Logo
7:35 am - 4:55 pmDUB-SEA
17h 20m1 stop
$417American Airlines
Find Deal
Tue, Nov 11 - Tue, Nov 18

United Airlines flights from United States to Ireland

Our best United Airlines deals on United States to Ireland flight tickets
United Airlines
Nov 12
LGA6:00 amNew York LaGuardia
23h 20m
1 stop
DUB10:20 amDublin
Nov 17
DUB9:00 amDublin
31h 59m
1 stop
LGA11:59 amNew York LaGuardia
United Airlines
Mar 24
LGA6:00 amNew York LaGuardia
24h 20m
1 stop
DUB10:20 amDublin
Mar 30
DUB9:50 amDublin
30h 01m
1 stop
LGA10:51 amNew York LaGuardia
United Airlines
Feb 18
LGA9:15 pmNew York LaGuardia
29h 55m
1 stop
DUB8:10 amDublin
Feb 22
DUB9:00 amDublin
29h 13m
1 stop
LGA9:13 amNew York LaGuardia

Aer Lingus flights from United States to Ireland

Our best Aer Lingus deals on United States to Ireland flight tickets
Aer Lingus
Nov 24
BOS5:10 pmBoston Logan Intl
6h 05m
DUB4:15 amDublin
Dec 3
DUB4:45 pmDublin
7h 10m
BOS6:55 pmBoston Logan Intl
Aer Lingus
Nov 24
BOS5:10 pmBoston Logan Intl
6h 05m
DUB4:15 amDublin
Dec 3
DUB4:45 pmDublin
7h 10m
BOS6:55 pmBoston Logan Intl
Aer Lingus
Feb 12
JFK9:00 pmNew York John F Kennedy Intl
6h 40m
DUB8:40 amDublin
Feb 22
DUB11:15 amDublin
7h 40m
JFK1:55 pmNew York John F Kennedy Intl

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 October 30, 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

LGA - DUB

LGADUB

New York LaGuardia

Thu 1/8

3:30 pm-7:10 am

1 stop10h 40m

Dublin

Mon 1/12

9:00 am-4:57 pm

2 stops12h 57m

$327

New YorkDublin

LGA - DUB

LGADUB

New York LaGuardia

Thu 11/13

3:30 pm-7:10 am

1 stop10h 40m

Dublin

Wed 11/19

9:00 am-3:38 pm

1 stop11h 38m

$330

New YorkDublin

LGA - DUB

LGADUB

New York LaGuardia

Wed 11/12

6:00 am-10:20 am

1 stop23h 20m

Dublin

Mon 11/17

9:00 am-11:59 am

1 stop31h 59m

$331

New YorkDublin

LGA - DUB

LGADUB

New York LaGuardia

Tue 3/24

6:00 am-10:20 am

1 stop24h 20m

Dublin

Mon 3/30

9:50 am-10:51 am

1 stop30h 01m

$335

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 11/24

5:10 pm-4:15 am

Nonstop6h 05m

Dublin

Wed 12/3

4:45 pm-6:55 pm

Nonstop7h 10m

$341

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Mon 11/24

5:10 pm-4:15 am

Nonstop6h 05m

Dublin

Wed 12/3

4:45 pm-6:55 pm

Nonstop7h 10m

$342

New YorkDublin

JFK - DUB

JFKDUB

New York John F Kennedy Intl

Sun 11/9

9:20 pm-8:45 am

Nonstop6h 25m

Dublin

Fri 12/5

10:45 am-1:20 pm

Nonstop7h 35m

$349

BostonDublin

BOS - DUB

BOSDUB

Boston Logan Intl

Sun 11/9

10:20 pm-9:20 am

Nonstop6h 00m

Dublin

Mon 11/17

11:30 am-1:40 pm

Nonstop7h 10m

$349

NewarkDublin

EWR - DUB

EWRDUB

Newark

Fri 2/13

6:35 pm-10:15 am

1 stop10h 40m

Dublin

Tue 2/17

6:40 am-7:35 pm

1 stop17h 55m

$393

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 11/11

1:25 pm-11:15 am

1 stop13h 50m

Dublin

Tue 11/18

7:35 am-4:55 pm

1 stop17h 20m

$417

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, October 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 $455. If you aren’t able to travel to Ireland during the month of October, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $475.

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 $721. 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 $847. 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 evening. momondo users have found flights departing from United States to Ireland in the evening for as low as $760. 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 New York John F Kennedy 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 $597 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 $526 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 19% 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

$268

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 $268. The best round-trip flight deal from United States to Ireland found on momondo in the last 72 hours is $388.
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)
  • 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
2,906 reviews
Search JetBlue flights
SWISSPriceFrom $204Free CancellationRating
7.5
1,775 reviews
Search SWISS flights
DeltaPriceFrom $244Free CancellationRating
7.9
7,993 reviews
Search Delta flights
PLAYPriceFrom $291Free CancellationRating
7.0
103 reviews
Search PLAY flights
Aer LingusPriceFrom $335Free CancellationRating
7.2
1,361 reviews
Search Aer Lingus flights
IcelandairPriceFrom $347Free CancellationRating
7.1
562 reviews
Search Icelandair flights
Air CanadaPriceFrom $347Free CancellationRating
7.1
10,378 reviews
Search Air Canada flights
United AirlinesPriceFrom $353Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
TAP AIR PORTUGALPriceFrom $354Free CancellationRating
7.1
2,037 reviews
Search TAP AIR PORTUGAL flights
IberiaPriceFrom $356Free CancellationRating
7.0
3,001 reviews
Search Iberia 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.

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1 adult
Sat 11/29
Sat 12/6

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