$307 Cheap Flights from Sofia (SOF) to Ostrava (OSR)

View $307 flight on Wed, Jun 25, 2025Opens in a new window

Popular airlines from Sofia Airport (SOF) to Ostrava (OSR-Leos Janacek)

Cheap Flights from Sofia to Ostrava (SOF-OSR)

Prices were available within the past 7 days and start at $307 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Sofia (SOF) to Ostrava (OSR)
Origin airport
Sofia
Destination airport
Leos Janacek
Distance
545 mi

Sofia to Ostrava Flights

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

 

The best time to book a flight from Sofia to Ostrava

Sunday is one of the best days to book for cheap flights from Sofia 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 Sofia 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 Sofia to Ostrava in 2025. You can also book with separate airlines for your outbound and return journeys, from $307 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 Sofia 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 Sofia 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.

 

Frequently asked questions

How much does a flight from Sofia Airport (SOF) to Leos Janacek Airport (OSR) cost?
Discover the latest flight deals from SOF to OSR by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SOF to OSR?
The cheapest flights from SOF to OSR are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SOF to OSR?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SOF to OSR. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Sofia Airport (SOF) to Leos Janacek Airport (OSR)?
Nonstop flights from Sofia Airport (SOF) 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 travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SOF to OSR?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change based on various factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sofia Airport (SOF) to Leos Janacek Airport (OSR)?
To avoid potential delays on the Sofia Airport (SOF) to Leos Janacek Airport (OSR) route, aim to fly before 3 PM. Flights 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 Sofia Airport (SOF) to Leos Janacek Airport (OSR) last-minute?
Booking your plane ticket from SOF to OSR just before your trip is generally more expensive. However, if you're flexible with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a SOF to OSR flight and hotel package?
Compared with arranging flights and hotels separately, booking a SOF to OSR flight and hotel package with Expedia could lead to significant savings. Better still, managing everything in one place will take the stress out of planning your trip. Simply secure your flights and select from our extensive range of stays, then personalize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Sofia Airport (SOF) to Leos Janacek Airport (OSR)?
You can usually reschedule or cancel your SOF 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 allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.