Find cheap United Airlines flights to Ireland from $238

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1 adult, Economy, 0 bags

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Flight Deals

Cheap United Airlines Flight Deals to Ireland

 
Here are some of the best deals found on KAYAK recently from United Airlines to Ireland that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

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

Thu, Dec 4 - Sun, Dec 7
United Airlines Logo
6:00 am - 10:20 amLGA-DUB
23h 20m1 stop
United Airlines Logo
9:00 am - 10:43 amDUB-LGA
30h 43m1 stop
$331United Airlines
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Mon, Apr 27 - Wed, May 6
United Airlines Logo
6:05 am - 10:20 amLGA-DUB
23h 15m1 stop
United Airlines Logo
9:50 am - 7:48 amDUB-LGA
26h 58m1 stop
$335United Airlines
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Thu, Jan 22 - Sat, Jan 31
United Airlines Logo
9:21 pm - 8:10 amLGA-DUB
29h 49m1 stop
United Airlines Logo
9:00 am - 8:07 amDUB-LGA
28h 07m1 stop
$336United Airlines
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Fri, Jan 30 - Fri, Feb 6
United Airlines Logo
3:30 pm - 7:10 amLGA-DUB
10h 40m1 stop
United Airlines Logo
9:00 am - 2:14 pmDUB-LGA
34h 14m2 stops
$337United Airlines
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Mon, Apr 6 - Fri, Apr 24
United Airlines Logo
9:50 pm - 9:45 amEWR-DUB
30h 55m1 stop
United Airlines Logo
9:50 am - 9:12 amDUB-EWR
28h 22m1 stop
$340United Airlines
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Tue, Dec 30 - Mon, Jan 12
United Airlines Logo
5:20 am - 9:55 amBOS-DUB
23h 35m2 stops
United Airlines Logo
9:00 am - 1:13 pmDUB-BOS
33h 13m2 stops
$340United Airlines
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Thu, Jan 22 - Mon, Feb 2
United Airlines Logo
2:55 pm - 7:10 amLGA-DUB
35h 15m2 stops
United Airlines Logo
9:00 am - 2:14 pmDUB-LGA
34h 14m2 stops
$342United Airlines
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Mon, May 4 - Sun, May 10
United Airlines Logo
6:00 am - 10:20 amBOS-DUB
23h 20m1 stop
United Airlines Logo
9:50 am - 5:37 pmDUB-BOS
36h 47m2 stops
$342United Airlines
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Sat, Feb 28 - Wed, Mar 11
United Airlines Logo
5:35 am - 10:20 amBOS-DUB
23h 45m1 stop
United Airlines Logo
8:00 am - 10:02 amDUB-BOS
30h 02m1 stop
$343United Airlines
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Sun, Mar 8 - Sun, Mar 15
United Airlines Logo
8:55 pm - 7:30 amEWR-DUB
6h 35mnonstop
United Airlines Logo
8:00 am - 2:28 pmDUB-EWR
10h 28m1 stop
$344United Airlines
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Good to know

Low seasonJanuary
Cheapest flight$238
Average price round-trip$635
Best time to beat the crowds with an average 2% drop in price.
Most popular time to fly with an average 5% increase in price.
Flight from Newark Liberty Airport to Dublin
(price for this month)

KAYAK's insights & trends for flights to Ireland

Get data-powered insights and trends for flights to Ireland to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest day to fly to Ireland?

The average price of all flights from the United States to Ireland clicked on KAYAK for each day over the last 12 months.

Based on KAYAK data, the cheapest day to fly to Ireland is Tuesday where round-trip tickets can be as cheap as $731. On the other hand, the most expensive day to fly is Saturday, where round-trip prices are $829 on average.

What is the cheapest month to fly from the United States to Ireland?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from the United States to Ireland, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from the United States to Ireland is February, when tickets cost $585 (return) on average. On the other hand, the most expensive months are December and May, when the average cost of round-trip tickets is $1,312 and $1,176 respectively.

How far in advance should I book a flight from the United States to Ireland?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Ireland, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from the United States to Ireland, you should book around 2 weeks before departure, which saves you about 18% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

FAQs for flying to Ireland with United Airlines

  • Does United Airlines usually have the lowest fares for flights to Ireland?

    Delta frequently offers the lowest average return price for flights to Ireland, but fares can vary between airlines and dates. We recommend comparing all available options on KAYAK before booking your flight.

  • What other airlines fly to Ireland besides United Airlines?

    In addition to United Airlines, airlines such as Delta and Aer Lingus also operate flights to Ireland. Check KAYAK to compare fares from these and other carriers.

United Airlines customer reviews

7.4
Good9,017 verified ratings
8.1Crew
6.6Food
7.7Boarding
7.1Entertainment
7.3Comfort
Pros +
  • Flight was quick and easy. (in 2447 reviews)
Cons -
  • Have the middle seats vacant. (in 137 reviews)
  • The space in economy plus. (in 296 reviews)
Show reviews that mention
Traveler rating:
Sort by:
C
10.0 Wonderful
Seats in waiting area and on plane hard as rock. Fast internet on the flight was great! Crew was kind.
D
10.0 Wonderful
Starlink wifi on the Embraer E175 is an excellent experience. I was able to connect and work from IAD all the way to approach into BTV.
G
10.0 Wonderful
Is my favorite Lufthansa?
S
8.0 Very good
Good trip. Good crew. Thank you!
S
8.0 Very good
Great crew, excellent landing, good food. Over all great experience. Thank you!
N
8.0 Very good
Entertainment and wifi did not work
A
4.0 Mediocre
Please figure out the delays
T
4.0 Mediocre
Older aircraft, no meal, only food was for purchase. Not impressed United.
T
4.0 Mediocre
United needs to step up their game. Delayed flight leaving Seattle, San Francisco. Older aircraft, not very comfortable.
C
10.0 Wonderful
Always wish for more healthy, gluten free options. We have to bring our own.

Everything you need to know for your flight to Ireland