$661 Cheap Flights from Shannon (SNN) to Buffalo (BUF)

View $661 flight on Mon, Feb 9, 2026Opens in a new window

Popular airlines from Shannon Airport (SNN) to Buffalo Niagara Intl. Airport (BUF)

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Cheap Flights from Shannon to Buffalo (SNN-BUF)

Prices were available within the past 7 days and start at $661 for one-way flights and $1,153 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Wed, Jul 22 - Wed, Jul 29
SNN
Shannon
BUF
Buffalo
$1,153 Roundtrip, found 4 days ago
$1,153
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Wed, Jul 22 from Shannon to Buffalo, returning Wed, Jul 29, priced at $1,153 found 4 days ago
Lufthansa
Wed, Jul 22 - Wed, Jul 29
SNN
Shannon
BUF
Buffalo
$1,176 Roundtrip, found 4 days ago
$1,176
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Wed, Jul 22 from Shannon to Buffalo, returning Wed, Jul 29, priced at $1,176 found 4 days ago
Lufthansa
Fri, Jul 24 - Sat, Aug 1
SNN
Shannon
BUF
Buffalo
$1,181 Roundtrip, found 1 day ago
$1,181
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Fri, Jul 24 from Shannon to Buffalo, returning Sat, Aug 1, priced at $1,181 found 1 day ago
United
Wed, Jul 22 - Wed, Jul 29
SNN
Shannon
BUF
Buffalo
$1,183 Roundtrip, found 4 days ago
$1,183
Roundtrip
found 4 days ago
Select United flight, departing Wed, Jul 22 from Shannon to Buffalo, returning Wed, Jul 29, priced at $1,183 found 4 days ago
United
Fri, Jul 24 - Sat, Aug 1
SNN
Shannon
BUF
Buffalo
$1,187 Roundtrip, found 1 day ago
$1,187
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jul 24 from Shannon to Buffalo, returning Sat, Aug 1, priced at $1,187 found 1 day ago
United
Fri, Jul 24 - Sat, Aug 1
SNN
Shannon
BUF
Buffalo
$1,192 Roundtrip, found 1 day ago
$1,192
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jul 24 from Shannon to Buffalo, returning Sat, Aug 1, priced at $1,192 found 1 day ago
United
Fri, Jul 24 - Sat, Aug 1
SNN
Shannon
BUF
Buffalo
$1,196 Roundtrip, found 1 day ago
$1,196
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jul 24 from Shannon to Buffalo, returning Sat, Aug 1, priced at $1,196 found 1 day ago
Delta
Wed, Jul 22 - Wed, Jul 29
SNN
Shannon
BUF
Buffalo
$1,300 Roundtrip, found 4 days ago
$1,300
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Jul 22 from Shannon to Buffalo, returning Wed, Jul 29, priced at $1,300 found 4 days ago
Aer Lingus
Fri, Jul 24 - Sat, Aug 1
SNN
Shannon
BUF
Buffalo
$1,380 Roundtrip, found 1 day ago
$1,380
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Fri, Jul 24 from Shannon to Buffalo, returning Sat, Aug 1, priced at $1,380 found 1 day ago
British Airways
Fri, Jul 24 - Sat, Aug 1
SNN
Shannon
BUF
Buffalo
$1,428 Roundtrip, found 1 day ago
$1,428
Roundtrip
found 1 day ago
Select British Airways flight, departing Fri, Jul 24 from Shannon to Buffalo, returning Sat, Aug 1, priced at $1,428 found 1 day ago

Frequently asked questions

How much does a flight from Shannon Airport (SNN) to Buffalo Niagara Intl. Airport (BUF) cost?
Secure a cheap one-way flight from $661 or cheap return flight from $1,153 from Shannon Airport (SNN) to Buffalo Niagara Intl. Airport (BUF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Shannon Airport (SNN) to Buffalo Niagara Intl. Airport (BUF)?
The cheapest month to fly from SNN to BUF is July, when demand is low. Off-peak months are typically when better flight deals are available between these airports.
What is the cheapest airline that flies from Shannon Airport (SNN) to Buffalo Niagara Intl. Airport (BUF)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from SNN to BUF. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Shannon Airport (SNN) to Buffalo Niagara Intl. Airport (BUF)?
Nonstop flights from Shannon Airport (SNN) to Buffalo Niagara Intl. Airport (BUF) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SNN to BUF?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Shannon Airport (SNN) to Buffalo Niagara Intl. Airport (BUF)?
Book a flight from Shannon Airport (SNN) to Buffalo Niagara Intl. Airport (BUF) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Shannon Airport (SNN) to Buffalo Niagara Intl. Airport (BUF) last-minute?
Last-minute bookings from SNN to BUF are generally more expensive. To secure the lowest prices, start looking for flights early. That being said, if you're flexible with your travel dates, it's possible to find a cheap fare just before your departure.
Is it cheaper to book a SNN to BUF flight and hotel package?
Compared with arranging hotels and flights separately, booking a SNN to BUF flight and hotel package with Expedia could result in significant savings. What's more, having everything in one easy place will take the hassle out of travel planning. Simply pick your flights and choose from our wide range of hotels, then personalize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Shannon Airport (SNN) to Buffalo Niagara Intl. Airport (BUF)?
If you reserved your SNN to BUF flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Shannon
Destination airport
Buffalo Niagara Intl.
Airlines serving
Aer Lingus, Air France, American Airlines, British Airways, Delta, Lufthansa, United
Roundtrip price
$1,153
Distance
3176 mi

Book with confidence

Shannon to Buffalo Flights

The cheapest times to fly from Shannon to Buffalo

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Shannon to Buffalo are during the month of July. You can find some of the cheapest flights from Shannon to Buffalo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Shannon to Buffalo

Sunday is one of the best days to book for cheap flights from Shannon to Buffalo: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Shannon to Buffalo

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Shannon to Buffalo in 2026. You can also book with separate airlines for your outbound and return journeys, from $661 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Shannon to Buffalo flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Shannon to Buffalo airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Shannon to Buffalo Flights

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*Available to One Key members.