Cheap Flights from Buffalo (BUF) to Ostrava (OSR)

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Ostrava (OSR-Leos Janacek)

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Frequently asked questions

How much does a flight from Buffalo Niagara Intl. Airport (BUF) to Leos Janacek Airport (OSR) cost?
Get a cheap one-way flight or cheap return flight from Buffalo Niagara Intl. Airport (BUF) to Leos Janacek Airport (OSR) 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 Buffalo Niagara Intl. Airport (BUF) to Leos Janacek Airport (OSR)?
Planning your trip for may help you find better deals, as it's the cheapest month for flights between BUF and OSR. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Buffalo Niagara Intl. Airport (BUF) to Leos Janacek Airport (OSR)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest BUF to OSR flight.
How many flights per day from Buffalo Niagara Intl. Airport (BUF) to Leos Janacek Airport (OSR)?
Nonstop flights from Buffalo Niagara Intl. Airport (BUF) to Leos Janacek Airport (OSR) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BUF to OSR?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change based on various factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Buffalo Niagara Intl. Airport (BUF) to Leos Janacek Airport (OSR)?
To avoid possible delays on the Buffalo Niagara Intl. Airport (BUF) to Leos Janacek Airport (OSR) route, aim to travel before 3 PM. Departures after this hour are 22% more likely to be canceled.**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 Buffalo Niagara Intl. Airport (BUF) to Leos Janacek Airport (OSR) last-minute?
Booking your plane ticket from BUF to OSR right before your getaway is typically more expensive. However, if you're flexible with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a BUF to OSR flight and hotel package?
You can save money by booking a BUF to OSR flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. After selecting your ideal flights and accommodations, consider adding extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Buffalo Niagara Intl. Airport (BUF) to Leos Janacek Airport (OSR)?
If you reserved your BUF to OSR flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket 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, visit our Customer Service portal for more information.

Travel information

Origin airport
Buffalo Niagara Intl.
Destination airport
Leos Janacek
Distance
4312 mi

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Buffalo to Ostrava Flights

The cheapest times to fly from Buffalo to Ostrava

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 Buffalo to Ostrava are during the month of . You can find some of the cheapest flights from Buffalo to Ostrava with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Buffalo to Ostrava

Sunday is one of the best days to book for cheap flights from Buffalo to Ostrava: 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 Buffalo to Ostrava

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 Buffalo to Ostrava in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Buffalo to Ostrava 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 Buffalo to Ostrava 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.

 

Buffalo to Ostrava Flights

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*Available to One Key members.