$4,876 Cheap Flights from Philadelphia (PHL) to Ostrava (OSR)

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Popular airlines from Philadelphia Intl. Airport (PHL) to Ostrava (OSR-Leos Janacek)

Cheap Flights from Philadelphia to Ostrava (PHL-OSR)

Prices were available within the past 7 days and start at $4,876 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 Philadelphia Intl. Airport (PHL) to Leos Janacek Airport (OSR) cost?
Snag a cheap one-way flight from $4,876 or cheap return flight from Philadelphia Intl. Airport (PHL) to Leos Janacek Airport (OSR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Philadelphia Intl. Airport (PHL) to Leos Janacek Airport (OSR)?
Flying in may help you find better deals, as it's the cheapest month for flights between PHL and OSR. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Philadelphia Intl. Airport (PHL) to Leos Janacek Airport (OSR)?
To find the cheapest airline flying from PHL to OSR, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Philadelphia Intl. Airport (PHL) to Leos Janacek Airport (OSR)?
There aren't any daily direct flights departing from Philadelphia Intl. Airport (PHL) to Leos Janacek Airport (OSR). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from PHL to OSR?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change 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 Philadelphia Intl. Airport (PHL) to Leos Janacek Airport (OSR)?
To avoid possible delays on the Philadelphia Intl. Airport (PHL) to Leos Janacek Airport (OSR) route, aim to fly before 3 PM. Departures after this time 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 Philadelphia Intl. Airport (PHL) to Leos Janacek Airport (OSR) last-minute?
Holding off until right before your break to book a flight from PHL to OSR often results in higher prices. While you may find some last-minute offers, there's no guarantee. Be flexible with your travel plans for the best chance of getting a bargain.
Is it cheaper to book a PHL to OSR flight and hotel package?
Compared with arranging flights and hotels separately, booking a PHL to OSR flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the stress out of travel planning. Simply pick your flights and choose from our wide range of stays, then personalize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Leos Janacek Airport (OSR)?
If you reserved your PHL to OSR flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

Travel information

Origin airport
Philadelphia Intl.
Destination airport
Leos Janacek
Distance
4326 mi

Book with confidence

Philadelphia to Ostrava Flights

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

 

The best time to book a flight from Philadelphia to Ostrava

Sunday is one of the best days to book for cheap flights from Philadelphia 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 Philadelphia 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 Philadelphia to Ostrava in 2025. You can also book with separate airlines for your outbound and return journeys, from $4,876 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 Philadelphia 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 Philadelphia 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.

 

Philadelphia to Ostrava Flights

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*Available to One Key members.