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Shannon

$583+ Cheap flights from Buffalo (BUF) to Shannon (SNN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SNN
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
1 adult, Economy
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Cheap flight deals from Buffalo to Shannon

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Shannon (SNN). 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 November 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$583
(American Airlines)

Popular in

September

Cheapest in

August

Average price

$1,260
Provider with most accurate pricing for Buffalo-Shannon flight deals.
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Provider most trusted by Cheapflights users for Buffalo-Shannon flights.
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From Buffalo to Shannon
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Highest demand for flights based on searches. 0% potential increase in price ($5 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Buffalo to Shannon

Cheapest flights from Buffalo to Shannon
Explore the most affordable flight options available from Buffalo to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2025.

This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1411:26 amBUF - SNN
1 stop13h 29mAmerican Airlines
Tue 11/182:45 pmSNN - BUF
2 stops13h 11mAmerican Airlines
Deal found 11/1$801
This American Airlines deal was found by Cheapflights users on 10/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1511:26 amBUF - SNN
2 stops13h 54mAmerican Airlines
Mon 12/222:45 pmSNN - BUF
2 stops13h 47mAmerican Airlines
Deal found 10/31$822
This Aer Lingus deal was found by Cheapflights users on 10/31. 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 Aer Lingus is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1511:48 amBUF - SNN
1 stop13h 32mMultiple Airlines
Mon 12/222:00 pmSNN - BUF
1 stop14h 54mMultiple Airlines
Deal found 10/31$1,113
This Air Canada deal was found by Cheapflights users on 10/31. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1510:30 amBUF - SNN
3 stops20h 00mAir Canada
Mon 12/227:50 amSNN - BUF
3 stops34h 34mAir Canada
Deal found 10/31$1,820

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to Shannon 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 November 2, 2025.
Use the filters below to find and compare flights from Buffalo to Shannon that are best for you.

Fly from

Buffalo

Fly to

Shannon

Route

Depart

Return

Price

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Sun 3/15

1:33 pm-11:30 am

2 stops17h 57m

Shannon

Sun 3/22

7:50 am-10:27 pm

2 stops18h 37m

$583

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Fri 3/27

7:00 am-11:30 am

2 stops24h 30m

Shannon

Tue 3/31

9:15 pm-10:27 pm

2 stops30h 12m

$783

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Fri 11/14

11:26 am-6:20 am

2 stops13h 54m

Shannon

Tue 11/18

2:45 pm-10:56 pm

2 stops13h 11m

$801

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Sun 3/15

12:45 pm-5:55 am

1 stop13h 10m

Shannon

Sun 3/22

2:00 pm-9:31 pm

1 stop11h 31m

$1,014

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Sun 3/15

5:15 pm-4:45 pm

3 stops19h 30m

Shannon

Sun 3/22

7:50 am-1:10 pm

3 stops33h 20m

$2,471

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Compare providers for flights from Buffalo to Shannon

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 Shannon in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 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-Shannon, Clare flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-Shannon, Clare flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-Shannon, Clare flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Buffalo-Shannon, Clare flights, Cheapflights users trust Expedia the most. Expedia 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-Shannon, Clare 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 Shannon

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

What is the cheapest time of day to fly from BUF to SNN?

Find hourly flight availability from Buffalo to Shannon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 2, 2025.

It’s typically best to fly out from Buffalo to Shannon, Clare in the afternoon. Doing so could potentially save you 21% on the flight price compared to flying in the evening, which is usually more expensive.

Reviews of airlines servicing Shannon

Get insights into the airlines that provide service to Shannon. 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 Shannon. Reviews last updated November 2, 2025.
Read reviews from past customers who have flown United Airlines from Buffalo to Shannon. 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.
United Airlines
7.4
Good
8,997 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,997 reviews
United Airlines
7.4
Good
8,997 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Shannon. 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 Shannon, Clare?

    There are many flights that can get you from Buffalo to Shannon, Clare in 17h 57m. Fly via American Airlines to get the fastest option. The distance between Buffalo and Shannon, Clare is about 3174 mi.

  • What is the cheapest airline to fly from Buffalo to Shannon, Clare round-trip?

    Flying on United Airlines is currently your cheapest option to Shannon, Clare, with prices starting at $592. This flight start at 37% lower than the current average price 3 months from now.

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

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

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

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

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

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

See more FAQs

Traveling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
Ennis

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Top airline flying from Buffalo to Shannon

Discover the top airline that operate flights from Buffalo to Shannon. 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 November 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$592Average$953FlexibilityNo cancel feeOn-time69%

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