$778 Cheap Flights from New York (JFK) to Ostrava (OSR)

View $778 flight on Thu, Jul 9, 2026Opens in a new window

Popular airlines from John F. Kennedy Intl. Airport (JFK) to Ostrava (OSR-Leos Janacek)

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Cheap Flights from New York to Ostrava (JFK-OSR)

Prices were available within the past 7 days and start at $778 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from John F. Kennedy Intl. Airport (JFK) to Leos Janacek Airport (OSR) cost?
Lock in a cheap one-way flight from $778 or cheap return flight from John F. Kennedy Intl. Airport (JFK) 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 John F. Kennedy Intl. Airport (JFK) to Leos Janacek Airport (OSR)?
is the most affordable month to fly from JFK to OSR. Planning your trip for the off-season is often the key to scoring lower fares.
What is the cheapest airline that flies from John F. Kennedy Intl. Airport (JFK) to Leos Janacek Airport (OSR)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest JFK to OSR flight.
How many flights per day from John F. Kennedy Intl. Airport (JFK) to Leos Janacek Airport (OSR)?
Nonstop flights from John F. Kennedy Intl. Airport (JFK) to Leos Janacek Airport (OSR) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from JFK to OSR?
Typically you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* However, this can vary based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from John F. Kennedy Intl. Airport (JFK) to Leos Janacek Airport (OSR)?
To avoid potential delays on the John F. Kennedy Intl. Airport (JFK) to Leos Janacek Airport (OSR) route, aim to travel before 3 PM. Flights after this time have a 22% higher chance of cancellation.**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 John F. Kennedy Intl. Airport (JFK) to Leos Janacek Airport (OSR) last-minute?
Booking your plane ticket from JFK to OSR just before your getaway is typically more expensive. However, if there's some wiggle room with your travel times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a JFK to OSR flight and hotel package?
Compared with arranging hotels and flights separately, booking a JFK to OSR flight and hotel package with Expedia could lead to significant savings. Better still, managing everything in one place takes the hassle out of travel planning. Simply secure your flights and choose from our wide range of stays, then tailor your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from John F. Kennedy Intl. Airport (JFK) to Leos Janacek Airport (OSR)?
It's usually possible to cancel or reschedule your JFK to OSR flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
John F. Kennedy Intl.
Destination airport
Leos Janacek
Distance
4234 mi

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New York to Ostrava Flights

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

 

The best time to book a flight from New York to Ostrava

Sunday is one of the best days to book for cheap flights from New York 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 New York 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 New York to Ostrava in 2026. You can also book with separate airlines for your outbound and return journeys, from $778 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 New York 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 New York 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.

 

New York to Ostrava Flights

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*Available to One Key members.