Ireland

$334+ Cheap flights from Buffalo (BUF) to Ireland

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — DUB
Apr 28 — May 51
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Cheap flight deals from Buffalo to Ireland

Cheapest flights from Buffalo to Ireland
Explore the most affordable flight options available from Buffalo to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 29, 2026.

This KLM deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:00 am
BUF
-
DUB
1 stop21h 15m
KLM
Thu 4/3011:00 am
DUB
-
BUF
1 stop17h 37m
KLM
Deal found 3/26$542
This KLM deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/411:52 am
BUF
-
DUB
1 stop16h 23m
KLM
Mon 5/111:15 pm
DUB
-
BUF
1 stop16h 04m
KLM
Deal found 3/28$550
This KLM deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/812:03 pm
BUF
-
DUB
1 stop16h 57m
KLM
Thu 8/2010:00 am
DUB
-
BUF
1 stop13h 57m
KLM
Deal found 3/26$551
This Delta deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:56 am
BUF
-
DUB
2 stops19h 19m
Delta
Mon 5/1110:00 am
DUB
-
BUF
1 stop10h 12m
Delta
Deal found 3/28$555
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:15 am
BUF
-
DUB
2 stops16h 00m
Delta
Wed 9/1612:00 pm
DUB
-
BUF
1 stop11h 33m
Delta
Deal found 3/27$570
This KLM deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:00 am
BUF
-
DUB
1 stop21h 45m
KLM
Wed 9/161:15 pm
DUB
-
BUF
1 stop10h 45m
KLM
Deal found 3/27$571
This KLM deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/243:53 pm
BUF
-
DUB
2 stops13h 32m
KLM
Wed 4/2911:00 am
DUB
-
BUF
1 stop17h 37m
KLM
Deal found 3/27$581
This KLM deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/107:31 pm
BUF
-
DUB
1 stop9h 29m
KLM
Wed 5/2011:00 am
DUB
-
BUF
1 stop12h 44m
KLM
Deal found 3/28$583
This KLM deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/43:54 pm
BUF
-
DUB
1 stop13h 06m
KLM
Mon 8/1010:00 am
DUB
-
BUF
1 stop18h 03m
KLM
Deal found 3/26$584
This Delta deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:36 pm
BUF
-
DUB
2 stops16h 04m
Delta
Wed 4/2910:00 am
DUB
-
BUF
2 stops17h 39m
Delta
Deal found 3/28$585
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/162:34 pm
BUF
-
DUB
2 stops17h 06m
Delta
Thu 4/3010:00 am
DUB
-
BUF
2 stops17h 39m
Delta
Deal found 3/26$586
This United Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:00 am
BUF
-
SNN
1 stop19h 30m
United Airlines
Thu 8/209:30 am
SNN
-
BUF
1 stop28h 44m
United Airlines
Deal found 3/26$708

Find flight deals from Buffalo to Ireland

Keep the following information in mind while searching for Buffalo to Ireland flight deals. Data was last updated March 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$542
(KLM)

One-way from

$334
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$534
Provider with most accurate pricing for Buffalo-Dublin flight deals.
Provider most trusted by Cheapflights users for Buffalo-Dublin flights.
From Buffalo to Ireland
One-way flight from Buffalo to Ireland
Highest demand for flights based on searches. 2% potential increase in price ($19 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($40 potential savings vs. average RT price).
Average for round-trip flights in March 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo 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, Cheapflights users made 2,558,603 searches. Data last updated March 29, 2026.
Use the filters below to find and compare flights from Buffalo to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloDublin

BUF - DUB

BUFDUB

Buffalo

Sat 8/8

6:07 am-7:55 am

2 stops20h 48m

Dublin

Thu 8/20

10:00 am-6:57 pm

1 stop13h 57m

$555

BuffaloDublin

BUF - DUB

BUFDUB

Buffalo

Tue 8/4

7:50 pm-10:00 am

1 stop9h 10m

Dublin

Mon 8/10

10:00 am-6:57 pm

1 stop13h 57m

$583

BuffaloDublin

BUF - DUB

BUFDUB

Buffalo

Sun 5/10

7:31 pm-10:00 am

1 stop9h 29m

Dublin

Wed 5/20

10:00 am-11:59 pm

1 stop18h 59m

$583

BuffaloDublin

BUF - DUB

BUFDUB

Buffalo

Tue 8/4

12:03 pm-10:00 am

1 stop16h 57m

Dublin

Mon 8/10

5:55 am-7:00 pm

2 stops18h 05m

$602

BuffaloDublin

BUF - DUB

BUFDUB

Buffalo

Mon 4/13

7:59 pm-3:25 pm

2 stops14h 26m

Dublin

Fri 4/17

1:15 pm-7:19 pm

1 stop11h 04m

$609

BuffaloDublin

BUF - DUB

BUFDUB

Buffalo

Sat 4/25

6:05 am-9:15 am

2 stops22h 10m

Dublin

Fri 5/1

10:00 am-10:39 pm

2 stops17h 39m

$619

BuffaloDublin

BUF - DUB

BUFDUB

Buffalo

Fri 5/15

7:55 pm-9:15 am

1 stop32h 20m

Dublin

Sun 5/24

10:00 am-10:54 pm

1 stop17h 54m

$622

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Sun 8/16

7:00 am-7:30 am

1 stop19h 30m

Shannon

Thu 8/20

9:30 am-4:43 pm

1 stop12h 13m

$708

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Mon 8/17

7:00 am-7:30 am

1 stop19h 30m

Shannon

Thu 8/20

9:30 am-9:14 am

1 stop28h 44m

$708

BuffaloDublin

BUF - DUB

BUFDUB

Buffalo

Tue 9/8

8:30 am-7:20 am

2 stops17h 50m

Dublin

Wed 9/16

9:20 am-10:01 am

3 stops29h 41m

$712

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 22 resultsSorted by cheapest first
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3

Best time to book a flight from Buffalo to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Buffalo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Buffalo to Ireland

What is the cheapest month to book a flight from Buffalo to Ireland?

Currently, October is the cheapest month in which you can book a flight from Buffalo to Ireland (average of $147). Flying from Buffalo to Ireland in September is currently the most expensive (average of $544). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ireland. Reviews last updated March 29, 2026.
See what other customers who have flown with Delta,United Airlines, andJetBlue from Buffalo to Ireland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Buffalo to Ireland?

    Buffalo (BUF), located 8.3 mi from the city center, is the airport you fly out of when you book flights from Buffalo to Ireland.

  • How long is the flight from Buffalo to Ireland?

    Airlines like Delta, KLM, and United Airlines fly from Buffalo to Ireland in about 9h 10m. The time it takes to get you to your destination can typically vary by up to 11h 38m. There are 3265 mi between Buffalo and Ireland. This flight may include one or multiple stops.

  • Can I find deals for flights from Buffalo to Ireland that include hotel bookings?

    Yes. In addition to deals on Buffalo to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to Ireland.

  • Can I find deals for business class flights from Buffalo to Ireland?

    Yes. Cheapflights offers flight deals from Buffalo to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Buffalo to Ireland?

    Currently, October is the cheapest month in which you can book a flight from Buffalo to Ireland (average of $147). Flying from Buffalo to Ireland in September is currently the most expensive (average of $544). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 4 airlines flying from Buffalo to Ireland

Discover the top 4 airlines that operate flights from Buffalo to Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$429Average$794FlexibilityNo cancel feeOn-time71%
DeltaCheapest$488Average$675FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$527Average$672FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$555Average$776FlexibilityNo cancel feeOn-time69%

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