Cheap Flights from Buffalo Niagara (BUF) to Shannon (SNN)

Compare Buffalo Niagara to Shannon flight deals

Find the cheapest month or even day of the year to fly to Shannon

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Flight deals from Buffalo Niagara Airport to Shannon Airport

Looking for a cheap last-minute deal or the best return flight from Buffalo Niagara Airport to Shannon Airport? If you want to travel next month, return fares start from £563. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Buffalo Niagara to Shannon

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Buffalo Niagara to Shannon flights are currently cheapest in April.

Buffalo Niagara to Shannon: Alternative routes

Compare routes from Buffalo Niagara to Shannon below. You may find an airport to fly into that's cheaper, faster, or easier than Shannon.

Buffalo to Shannon: Flight information

The things to know before you go.
Cheapest flight found£442
Cheapest month to flyApril

Finding cheap flights from Buffalo Niagara to Shannon: Frequently asked questions

The best price we found for a return flight from Buffalo Niagara to Shannon is £442. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Buffalo Niagara to Shannon. But we found flights with one or more stops from £442.
As of March 2026, there are no flights flying from Buffalo Niagara to Shannon.
The cheapest month to fly from Buffalo Niagara to Shannon is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Buffalo Niagara Airport to Shannon Airport on Saturday, 25 April 2026.
No airlines currently offer direct flights between Buffalo Niagara Airport and Shannon Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Shannon but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Shannon is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to Shannon.

Flying from Buffalo Niagara International Airport (BUF) to Shannon Airport (SNN): what you need to know

  • Shannon's timezone is UTC+0, making Shannon four hours ahead of Buffalo.

  • Your BUF to SNN flight won't wait if you're late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • You can expect bigger queues during popular months such as August. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a good idea.

  • If you'd like to break up your flight, simply uncheck 'Direct flights only' when searching for your ticket from Buffalo Niagara International Airport to Shannon Airport. Here are the top stopovers between BUF and SNN:

    • John F. Kennedy International Airport

    • Newark Liberty International Airport

    • O'Hare International Airport

How to find the cheapest flights from Buffalo Niagara International Airport (BUF) to Shannon Airport (SNN)

  • Currently, £299 is the lowest price we've found for a one-way Buffalo Niagara International Airport to Shannon Airport flight. The best price for a return plane ticket is £442. Remember that fares may change due to demand when booking.

  • It's a good idea to book early if you want to find cheap tickets from BUF to SNN. That's because airlines change prices based on demand, which tends to increase closer to departure.

  • If you're willing to be flexible with your travel plans, use the 'Whole month' tool. It'll give you the cheapest price in every month when looking for a flight from Buffalo Niagara International Airport to Shannon Airport.

  • You don't need to check back in every day to see if fares have gone down when you create a Price Alert. We'll let you know as soon as there's a new deal on cheap flights from BUF to SNN.

  • Tailor your flights using filters. Select your departure and arrival times, airlines and total journey duration. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' flights from Buffalo Niagara International Airport to Shannon Airport.

Handy information about Buffalo Niagara International Airport (BUF)

  • You'll find BUF at Genesee Street.

  • Of the flights that depart from Buffalo Niagara International Airport, 75.46% land on time at their destination.

  • Central Buffalo to Buffalo Niagara International Airport is around 11 miles. Depending on traffic, it'll take you about 20 minutes to get there if you're catching a cab, ride-sharing or driving.

  • The journey on public transport usually takes 1 hour 15 minutes.

  • Booked an early flight from Buffalo Niagara International Airport to Shannon Airport? Avoid the hassle of rushing to the airport (and catch some extra z's) by picking one of these stays near BUF:

Arriving at Shannon Airport (SNN)

Getting from Shannon Airport (SNN) to central Shannon

  • Shannon Airport is roughly 3 miles from central Shannon. The drive time takes around 5 minutes.

  • Travelling to the centre on public transport takes around 10 minutes.

When to fly to Shannon Airport (SNN)

  • The quietest month for a flight from Buffalo Niagara International Airport to Shannon Airport is April, while August is the busiest. Pick the best time to go to Shannon based on whether you prefer a more relaxed vibe or a faster pace.

  • The warmest month in Shannon is July, with the temperature ranging between 10ºC (50ºF) and 22ºC (72ºF). Lock in your flights from Buffalo Niagara International Airport to Shannon Airport in this month if this is the type of weather you like.

  • January sees average temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Search for cheap tickets from BUF to SNN sometime around then if you like travelling in cooler conditions.

Explore more of Ireland

  • You've visited Shannon, now it's time to explore more of Ireland. Travel about 120 miles north-east to Dublin to check off its leading sights. From Guinness Storehouse to Trinity College Library and Dublin Castle, you've got a jam-packed schedule ahead.

  • Cork is another must-experience destination in Ireland and is around 60 miles south of Shannon. No trip is complete without dropping by Blarney Castle, Fota Wildlife Park and Titanic Experience Cobh.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.