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$326+ Cheap flights from Buffalo (BUF) to Dublin (DUB)

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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — DUB
Jun 14 — Jun 211
Sun 6/14
Sun 6/21
1 adult, Economy
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Cheap flight deals from Buffalo to Dublin

Cheapest flights from Buffalo to Dublin
Explore the most affordable flight options available from Buffalo to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 15, 2026.

This United Airlines deal was found by Cheapflights users on 5/13. 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.
Fri 9/47:59 pm
BUF
-
DUB
1 stop30h 21m
United Airlines
Fri 9/119:20 am
DUB
-
BUF
3 stops29h 41m
United Airlines
Deal found 5/13$686
This KLM deal was found by Cheapflights users on 5/13. 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 11/54:00 pm
BUF
-
DUB
1 stop11h 45m
KLM
Thu 11/198:50 am
DUB
-
BUF
2 stops15h 08m
KLM
Deal found 5/13$705
This United Airlines deal was found by Cheapflights users on 5/13. 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.
Thu 11/56:45 pm
BUF
-
DUB
1 stop10h 10m
United Airlines
Thu 11/199:30 am
DUB
-
BUF
1 stop10h 46m
United Airlines
Deal found 5/13$707
This United Airlines deal was found by Cheapflights users on 5/13. 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.
Wed 9/96:00 am
BUF
-
DUB
1 stop20h 20m
United Airlines
Wed 9/169:20 am
DUB
-
BUF
2 stops19h 32m
United Airlines
Deal found 5/13$709
This KLM deal was found by Cheapflights users on 5/13. 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 8/173:53 pm
BUF
-
DUB
1 stop12h 22m
KLM
Mon 8/245:55 am
DUB
-
BUF
2 stops14h 19m
KLM
Deal found 5/13$710
This Justfly.com deal was found by Cheapflights users on 5/13. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:15 pm
BUF
-
DUB
1 stop30h 05m
JetBlue
Wed 9/1610:40 am
DUB
-
BUF
1 stop14h 44m
JetBlue
Deal found 5/13$711
This United Airlines deal was found by Cheapflights users on 5/13. 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 8/176:55 am
BUF
-
DUB
2 stops19h 50m
United Airlines
Mon 8/249:50 am
DUB
-
BUF
2 stops40h 17m
United Airlines
Deal found 5/13$714
This Delta deal was found by Cheapflights users on 5/13. 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 8/176:12 am
BUF
-
DUB
2 stops20h 43m
Delta
Fri 8/285:55 am
DUB
-
BUF
2 stops17h 28m
Delta
Deal found 5/13$715
This Justfly.com deal was found by Cheapflights users on 5/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:52 pm
BUF
-
DUB
2 stops33h 23m
Air Canada
Sat 9/269:20 am
DUB
-
BUF
2 stops36h 27m
Air Canada
Deal found 5/14$718

Find flight deals from Buffalo to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$686
(United Airlines)

One-way from

$326
(Expedia)

Popular in

December

Cheapest in

January

Average price

$645
Provider with most accurate pricing for Buffalo-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buffalo-Dublin flights.
Search Deals
From Buffalo to Dublin
Search Deals
One-way flight from Buffalo to Dublin
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to Dublin 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 May 15, 2026.
Use the filters below to find and compare flights from Buffalo to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BuffaloDublin

BUF - DUB

BUFDUB

Buffalo

Thu 11/5

4:00 pm-8:45 am

1 stop11h 45m

Dublin

Thu 11/19

8:50 am-6:58 pm

2 stops15h 08m

$705

BuffaloDublin

BUF - DUB

BUFDUB

Buffalo

Wed 9/9

6:00 am-7:20 am

1 stop20h 20m

Dublin

Wed 9/16

9:20 am-11:52 pm

2 stops19h 32m

$709

BuffaloDublin

BUF - DUB

BUFDUB

Buffalo

Tue 8/18

3:53 pm-9:15 am

1 stop12h 22m

Dublin

Wed 8/26

1:15 pm-12:40 am

1 stop16h 25m

$713

BuffaloDublin

BUF - DUB

BUFDUB

Buffalo

Wed 9/9

12:50 pm-8:45 am

2 stops14h 55m

Dublin

Wed 9/16

5:55 am-6:43 pm

2 stops17h 48m

$714

BuffaloDublin

BUF - DUB

BUFDUB

Buffalo

Sat 9/26

2:44 pm-7:20 am

1 stop11h 36m

Dublin

Sat 10/3

9:20 am-9:49 am

2 stops29h 29m

$739

BuffaloDublin

BUF - DUB

BUFDUB

Buffalo

Sat 9/19

11:15 am-9:15 am

1 stop17h 00m

Dublin

Sat 9/26

1:15 pm-11:56 pm

1 stop15h 41m

$742

BuffaloDublin

BUF - DUB

BUFDUB

Buffalo

Sat 9/19

6:00 am-7:20 am

1 stop20h 20m

Dublin

Sat 9/26

9:20 am-1:46 pm

2 stops33h 26m

$744

BuffaloDublin

BUF - DUB

BUFDUB

Buffalo

Sat 8/1

10:34 am-7:20 am

1 stop15h 46m

Dublin

Sat 8/15

9:50 am-9:08 am

2 stops28h 18m

$764

BuffaloDublin

BUF - DUB

BUFDUB

Buffalo

Sat 9/26

11:15 am-9:15 am

1 stop17h 00m

Dublin

Sat 10/3

1:15 pm-11:56 pm

1 stop15h 41m

$775

BuffaloDublin

BUF - DUB

BUFDUB

Buffalo

Sat 9/26

6:25 am-9:15 am

2 stops21h 50m

Dublin

Sat 10/3

5:55 am-11:03 pm

2 stops22h 08m

$776

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/10

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Compare providers for flights from Buffalo to Dublin

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buffalo to Dublin in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
BusinessClassPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Buffalo-Dublin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-Dublin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-Dublin flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Buffalo-Dublin flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buffalo-Dublin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Buffalo to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin 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 Dublin

How far ahead should I book a flight from Buffalo to Dublin?

To ensure you get the cheapest price possible for a flight from Buffalo to Dublin, you should look to book at least 90 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Buffalo to Dublin (average of $456). Flying from Buffalo to Dublin in December is currently the most expensive (average of $1,152). 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.

How much does it cost to fly round-trip from Buffalo to Dublin?

Reviews of airlines servicing Dublin

Get insights into the airlines that provide service to Dublin. 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 Dublin. Reviews last updated May 15, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andJetBlue from Buffalo to Dublin. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,453 reviews

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
Delta
7.9
Good
8,453 reviews
Delta
7.9
Good
8,453 reviews

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
United Airlines
7.4
Good
9,723 reviews
Delta
7.9
Good
8,453 reviews

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
JetBlue
7.2
Good
2,974 reviews
Delta
7.9
Good
8,453 reviews

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
American Airlines
7.1
Good
11,662 reviews
Delta
7.9
Good
8,453 reviews

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Buffalo to Dublin?

    A quick flight from Buffalo to Dublin can take about 10h 10m. United Airlines provides one of the quickest options available for as low as $707. There are 3265 mi between Buffalo and Dublin. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Buffalo to Dublin round-trip?

    Flying on American Airlines is currently your cheapest option to Dublin, with prices starting at $429. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $531 and $534, respectively. You may be able to fly from Buffalo to Dublin for 39% less than the average price by searching for these airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Buffalo to Dublin 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 Dublin?

    Currently, January is the cheapest month in which you can book a flight from Buffalo to Dublin (average of $456). Flying from Buffalo to Dublin in December is currently the most expensive (average of $1,152). 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

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Maynooth
Castleknock
Leixlip

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Top 4 airlines flying from Buffalo to Dublin

Discover the top 4 airlines that operate flights from Buffalo to Dublin. 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 May 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$429Average$716FlexibilityNo cancel feeOn-time71%
DeltaCheapest$531Average$656FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$534Average$702FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$536Average$665FlexibilityNo cancel feeOn-time62%

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