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Shannon

$400+ 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SNN
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
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 August 14, 2025.

Round-trip from

$818
(American Airlines)

One-way from

$400
(Ovago)

Popular in

November

Cheapest in

August

Average price

$674
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. 15% potential increase in price ($167 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/13. 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 8/227:05 amBUF - SNN
1 stop19h 25mUnited Airlines
Tue 8/269:45 amSNN - BUF
2 stops14h 16mUnited Airlines
Deal found 8/13$547
This American Airlines deal was found by Cheapflights users on 8/12. 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 9/291:28 pmBUF - SNN
2 stops16h 52mAmerican Airlines
Mon 10/137:40 amSNN - BUF
2 stops20h 55mAmerican Airlines
Deal found 8/12$818
This United Airlines deal was found by Cheapflights users on 8/12. 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 9/297:23 pmBUF - SNN
1 stop9h 52mUnited Airlines
Mon 10/1312:30 pmSNN - BUF
2 stops26h 23mUnited Airlines
Deal found 8/12$860
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Sun 9/2810:55 amBUF - SNN
2 stops18h 20mUnited Airlines
Sun 10/512:30 pmSNN - BUF
1 stop11h 02mUnited Airlines
Deal found 8/13$910
This United Airlines deal was found by Cheapflights users on 8/12. 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 9/267:23 pmBUF - SNN
1 stop9h 52mUnited Airlines
Fri 10/312:30 pmSNN - BUF
2 stops26h 33mUnited Airlines
Deal found 8/12$1,031
This Delta deal was found by Cheapflights users on 8/13. 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.
Fri 8/2212:17 pmBUF - SNN
2 stops17h 53mDelta
Tue 8/261:05 pmSNN - BUF
2 stops14h 54mDelta
Deal found 8/13$1,130
This United Airlines deal was found by Cheapflights users on 8/12. 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 8/2210:55 amBUF - SNN
1 stop15h 35mUnited Airlines
Fri 8/299:30 amSNN - BUF
1 stop12h 22mUnited Airlines
Deal found 8/12$1,144

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 August 14, 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

Mon 9/29

1:28 pm-11:20 am

2 stops16h 52m

Shannon

Mon 10/13

7:40 am-11:35 pm

2 stops20h 55m

$818

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Mon 9/29

7:23 pm-10:15 am

1 stop9h 52m

Shannon

Mon 10/13

12:30 pm-9:53 am

2 stops26h 23m

$860

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Sun 9/28

10:55 am-10:15 am

2 stops18h 20m

Shannon

Sun 10/5

12:30 pm-6:32 pm

1 stop11h 02m

$910

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Fri 9/26

7:23 pm-10:15 am

1 stop9h 52m

Shannon

Fri 10/3

12:30 pm-10:03 am

2 stops26h 33m

$1,031

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Thu 9/18

7:59 pm-5:55 am

1 stop28h 56m

$400

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Wed 9/17

6:00 am-5:55 am

1 stop18h 55m

$528

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Wed 9/17

1:28 pm-11:20 am

2 stops16h 52m

$581

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Thu 9/18

6:00 am-5:55 am

1 stop18h 55m

$588

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Thu 9/18

4:27 pm-11:20 am

2 stops13h 53m

$641

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

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 August 14, 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.

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 American Airlines is currently your cheapest option to Shannon, Clare, with prices starting at $818. Another option worth looking into is United Airlines, starting at $860 round trip. These flights start at 8% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Buffalo to Shannon, Clare one-way?

    For one-way options, check prices for JetBlue. According to our data, you can fly for as low as $400. Users have also found prices from $528 and $581 on Aer Lingus and American Airlines, respectively.

  • 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 $933). 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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