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Shannon

$478+ Cheap flights from Buffalo (BUF) to Shannon (SNN)

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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SNN
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$691
(United Airlines)

One-way from

$478
(KAYAK)

Popular in

November

Cheapest in

August

Average price

$953
From Buffalo to Shannon
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One-way flight from Buffalo to Shannon
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Highest demand for flights based on searches. 19% potential increase in price ($211 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This United Airlines deal was found by Cheapflights users on 7/2. 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 8/227:05 amBUF - SNN
1 stop19h 25mUnited Airlines
Fri 8/299:30 amSNN - BUF
1 stop16h 46mUnited Airlines
Deal found 7/2$691
This Delta deal was found by Cheapflights users on 7/3. 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 8/223:51 pmBUF - SNN
1 stop14h 19mDelta
Fri 8/291:05 pmSNN - BUF
2 stops24h 17mDelta
Deal found 7/3$696
This KLM deal was found by Cheapflights users on 7/3. 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 8/228:11 pmBUF - SNN
1 stop9h 59mKLM
Fri 8/291:05 pmSNN - BUF
1 stop16h 48mKLM
Deal found 7/3$741
This American Airlines deal was found by Cheapflights users on 7/1. 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.
Sat 8/94:08 pmBUF - SNN
2 stops14h 12mAmerican Airlines
Sat 8/167:40 amSNN - BUF
2 stops19h 12mAmerican Airlines
Deal found 7/1$764
This Gurufare deal was found by Cheapflights users on 7/3. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/85:35 amBUF - SNN
1 stop19h 20mAer Lingus
Thu 7/172:35 pmSNN - BUF
1 stop14h 24mAer Lingus
Deal found 7/3$989
This KLM deal was found by Cheapflights users on 7/3. 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 7/83:53 pmBUF - SNN
1 stop14h 17mMultiple Airlines
Thu 7/171:05 pmSNN - BUF
2 stops15h 39mMultiple Airlines
Deal found 7/3$1,651
This Air Canada deal was found by Cheapflights users on 7/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/910:50 amBUF - SNN
3 stops19h 30mAir Canada
Sat 8/167:40 amSNN - BUF
3 stops19h 48mAir Canada
Deal found 7/1$1,924

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 July 3, 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

Fri 8/22

7:05 am-7:30 am

1 stop19h 25m

Shannon

Fri 8/29

9:30 am-9:16 pm

1 stop16h 46m

$691

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Fri 8/22

3:51 pm-11:10 am

1 stop14h 19m

Shannon

Fri 8/29

1:05 pm-8:22 am

2 stops24h 17m

$696

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Fri 8/22

8:11 pm-11:10 am

1 stop9h 59m

Shannon

Fri 8/29

1:05 pm-12:53 am

1 stop16h 48m

$741

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Sat 8/9

4:08 pm-11:20 am

2 stops14h 12m

Shannon

Sat 8/16

7:40 am-9:52 pm

2 stops19h 12m

$764

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Tue 7/8

5:35 am-5:55 am

1 stop19h 20m

Shannon

Thu 7/17

2:35 pm-11:59 pm

1 stop14h 24m

$989

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Tue 7/8

3:53 pm-11:10 am

1 stop14h 17m

Shannon

Thu 7/17

1:05 pm-11:44 pm

2 stops15h 39m

$1,651

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Sat 8/9

10:50 am-11:20 am

3 stops19h 30m

Shannon

Sat 8/16

7:40 am-10:28 pm

3 stops19h 48m

$1,924

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Wed 9/17

9:38 am-5:55 am

1 stop15h 17m

$478

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Wed 9/17

4:27 pm-11:20 am

2 stops13h 53m

$581

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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 July 3, 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 July 3, 2025.
Read reviews from past customers who have flown Delta, KLM, and 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.
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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.
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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.
KLM
7.8
Good
1,367 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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.
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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.
Air Canada
7.1
Good
9,681 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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 Shannon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Buffalo to Shannon, Clare round-trip?

    Flying on United Airlines is currently your cheapest option to Shannon, Clare, with prices starting at $691. Additional round-trip tickets that might be worth considering are offered by Delta and KLM, with the lowest prices starting at $696 and $741, respectively. These flights start at 20% 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 $938). 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 Buffalo?

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

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Top 2 airlines flying from Buffalo to Shannon

Discover the top 2 airlines 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$450Average$644FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$592Average$832FlexibilityNo cancel feeOn-time69%

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