$169 Cheap Flights from Sofia (SOF) to Kosice (KSC)

View $169 flight on Tue, Sep 23, 2025Opens in a new window

Popular airlines from Sofia Airport (SOF) to Kosice (KSC-Barca)

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Cheap Flights from Sofia to Kosice (SOF-KSC)

Prices were available within the past 7 days and start at $169 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 Kosice (KSC)
Origin airport
Sofia
Destination airport
Barca
Distance
426 mi

Sofia to Kosice Flights

The cheapest times to fly from Sofia to Kosice

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

 

The best time to book a flight from Sofia to Kosice

Sunday is one of the best days to book for cheap flights from Sofia to Kosice: 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 Kosice

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 Kosice in 2025. You can also book with separate airlines for your outbound and return journeys, from $169 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 Kosice 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 Kosice 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 Barca Airport (KSC) cost?
Discover the latest flight deals from SOF to KSC 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 KSC?
The cheapest flights from SOF to KSC 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 KSC?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SOF to KSC. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Sofia Airport (SOF) to Barca Airport (KSC)?
Direct flights from Sofia Airport (SOF) to Barca Airport (KSC) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's 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 KSC?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*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 Barca Airport (KSC)?
To arrive at Barca Airport (KSC) without delays, pick a flight that leaves from Sofia Airport (SOF) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Barca Airport (KSC) last-minute?
Last-minute bookings from SOF to KSC are typically more expensive. To secure the lowest prices, start looking for flights early. That said, if your travel plans are flexible, it's possible to land a cheap ticket just before your departure.
Is it cheaper to book a SOF to KSC flight and hotel package?
Compared with arranging flights and hotels separately, booking a SOF to KSC flight and hotel package with Expedia could lead to significant savings. Better yet, having it all in one place will take the hassle out of travel planning. Just secure your flights and choose from our extensive range of hotels, then customize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Sofia Airport (SOF) to Barca Airport (KSC)?
Usually, it's possible to cancel or reschedule your SOF to KSC flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check 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.

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*Available to One Key members.