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Shannon

$576+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SNN
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$576
(United Airlines)

Popular in

September

Cheapest in

August

Average price

$1,282
From Buffalo to Shannon
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 10/147:23 pmBUF - SNN
1 stop9h 52mUnited Airlines
Tue 10/2112:30 pmSNN - BUF
1 stop11h 02mUnited Airlines
Deal found 9/15$576
This Trip.com deal was found by Cheapflights users on 9/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/137:23 pmBUF - SNN
1 stop9h 52mUnited Airlines
Tue 10/2112:30 pmSNN - BUF
1 stop15h 12mUnited Airlines
Deal found 9/15$581
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/133:34 pmBUF - SNN
2 stops14h 46mAmerican Airlines
Tue 10/217:40 amSNN - BUF
2 stops20h 13mAmerican Airlines
Deal found 9/15$591
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/313:21 pmBUF - SNN
2 stops16h 09mAmerican Airlines
Fri 11/77:50 amSNN - BUF
2 stops19h 59mAmerican Airlines
Deal found 9/16$722
This Aer Lingus deal was found by Cheapflights users on 9/16. 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.
Fri 10/3112:30 pmBUF - SNN
1 stop13h 50mMultiple Airlines
Fri 11/72:45 pmSNN - BUF
1 stop12h 15mMultiple Airlines
Deal found 9/16$746
This SmartFares deal was found by Cheapflights users on 9/15. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/136:49 pmBUF - SNN
2 stops16h 21mBritish Airways
Tue 10/219:15 pmSNN - BUF
2 stops24h 35mBritish Airways
Deal found 9/15$771
This United Airlines deal was found by Cheapflights users on 9/16. 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 9/171:57 pmBUF - SNN
2 stops15h 18mUnited Airlines
Tue 9/3012:30 pmSNN - BUF
2 stops26h 23mUnited Airlines
Deal found 9/16$1,304
This Air Canada deal was found by Cheapflights users on 9/16. 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.
Fri 10/315:40 pmBUF - SNN
3 stops18h 05mAir Canada
Fri 11/77:50 amSNN - BUF
3 stops31h 13mAir Canada
Deal found 9/16$1,412

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 September 17, 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

Tue 10/14

7:23 pm-10:15 am

1 stop9h 52m

Shannon

Tue 10/21

12:30 pm-6:32 pm

1 stop11h 02m

$576

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Mon 10/13

7:23 pm-10:15 am

1 stop9h 52m

Shannon

Tue 10/21

12:30 pm-9:43 am

2 stops26h 13m

$581

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Mon 10/13

3:34 pm-11:20 am

2 stops14h 46m

Shannon

Tue 10/21

7:40 am-10:53 pm

2 stops20h 13m

$591

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Fri 10/31

3:21 pm-11:30 am

2 stops16h 09m

Shannon

Fri 11/7

7:50 am-10:49 pm

2 stops19h 59m

$722

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Fri 10/31

12:30 pm-6:20 am

1 stop13h 50m

Shannon

Fri 11/7

2:45 pm-10:00 pm

1 stop12h 15m

$746

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Mon 10/13

6:49 pm-4:10 pm

2 stops16h 21m

Shannon

Tue 10/21

9:15 pm-4:50 pm

2 stops24h 35m

$771

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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 September 17, 2025.

It’s typically best to fly out from Buffalo to Shannon, Clare in the afternoon. Doing so could potentially save you 22% 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 September 17, 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
8,926 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

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 9h 52m. Fly via United 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 38% 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.

  • What is the cheapest month to book a flight from Buffalo to Shannon, Clare?

    Currently, February is the cheapest month in which you can book a flight from Buffalo to Shannon, Clare (average of $533). Flying from Buffalo to Shannon, Clare in June is currently the most expensive (average of $928). 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 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$592Average$953FlexibilityNo cancel feeOn-time69%

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