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Shannon

$434+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SNN
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap flight deals from Buffalo to Shannon

Best flights from Buffalo to Shannon
Discover carefully curated flight deals from Buffalo to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 4, 2025.

This American Airlines deal was found by Cheapflights users on 12/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/44:34 pmBUF - SNN
2 stops13h 46mAmerican Airlines
Wed 5/137:40 amSNN - BUF
2 stops17h 29mAmerican Airlines
Deal found 12/3$434
This Ovago deal was found by Cheapflights users on 12/2. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/311:40 amBUF - SNN
1 stop17h 35mLufthansa
Wed 5/1312:30 pmSNN - BUF
1 stop15h 07mLufthansa
Deal found 12/2$540
This United Airlines deal was found by Cheapflights users on 12/2. 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.
Mon 5/45:47 pmBUF - SNN
1 stop11h 28mUnited Airlines
Wed 5/1312:30 pmSNN - BUF
2 stops26h 19mUnited Airlines
Deal found 12/2$591
This American Airlines deal was found by Cheapflights users on 12/4. 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.
Sun 1/184:01 pmBUF - SNN
2 stops14h 29mAmerican Airlines
Sun 1/257:50 amSNN - BUF
2 stops20h 58mAmerican Airlines
Deal found 12/4$483
This American Airlines deal was found by Cheapflights users on 12/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/1711:50 amBUF - SNN
2 stops18h 40mAmerican Airlines
Sat 1/247:50 amSNN - BUF
2 stops20h 58mAmerican Airlines
Deal found 12/3$484
This American Airlines deal was found by Cheapflights users on 12/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/35:26 pmBUF - SNN
2 stops12h 54mAmerican Airlines
Wed 5/137:40 amSNN - BUF
2 stops18h 33mAmerican Airlines
Deal found 12/3$497
This American Airlines deal was found by Cheapflights users on 12/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:26 pmBUF - SNN
2 stops17h 44mAmerican Airlines
Tue 5/197:40 amSNN - BUF
2 stops17h 29mAmerican Airlines
Deal found 12/2$551

Find 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 December 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$434
(American Airlines)

Popular in

November

Cheapest in

August
Provider with most accurate pricing for Buffalo-Shannon flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buffalo-Shannon flights.
Search Deals
From Buffalo to Shannon
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($424 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($108 potential savings vs. average RT price).
Search Deals

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 December 4, 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 5/4

4:34 pm-11:20 am

2 stops13h 46m

Shannon

Wed 5/13

7:40 am-8:09 pm

2 stops17h 29m

$434

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Sun 1/18

4:01 pm-11:30 am

2 stops14h 29m

Shannon

Sun 1/25

7:50 am-11:48 pm

2 stops20h 58m

$483

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Sat 1/17

11:50 am-11:30 am

2 stops18h 40m

Shannon

Sat 1/24

7:50 am-11:48 pm

2 stops20h 58m

$484

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Sun 5/3

5:26 pm-11:20 am

2 stops12h 54m

Shannon

Wed 5/13

7:40 am-9:13 pm

2 stops18h 33m

$497

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Sun 5/3

11:40 am-10:15 am

1 stop17h 35m

Shannon

Wed 5/13

12:30 pm-10:37 pm

1 stop15h 07m

$540

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Thu 5/7

5:26 pm-4:10 pm

2 stops17h 44m

Shannon

Tue 5/19

7:40 am-8:09 pm

2 stops17h 29m

$551

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Mon 5/4

5:47 pm-10:15 am

1 stop11h 28m

Shannon

Wed 5/13

12:30 pm-9:49 am

2 stops26h 19m

$591

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Sun 1/11

3:25 pm-6:20 am

1 stop9h 55m

$489

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Sun 1/11

4:01 pm-11:30 am

2 stops14h 29m

$501

BuffaloShannon

BUF - SNN

BUFSNN

Buffalo

Sun 1/11

3:25 pm-6:20 am

1 stop9h 55m

$1,045

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

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 December.
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 December 4, 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 December 4, 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
9,066 reviews

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,066 reviews
United Airlines
7.4
Good
9,066 reviews

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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 13h 46m. 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 $556. This flight start at 45% 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$556Average$935FlexibilityNo cancel feeOn-time69%

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