$586 Cheap Flights from Osaka (KIX) to Sofia (SOF)

View $586 flight on Thu, May 21, 2026Opens in a new window

Popular airlines from Kansai Intl. Airport (KIX) to Sofia Airport (SOF)

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Cheap Flights from Osaka to Sofia (KIX-SOF)

Prices were available within the past 7 days and start at $586 for one-way flights and $1,136 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
Mon, Jun 22 - Sun, Jul 5
KIX
Osaka
SOF
Sofia
$1,136 Roundtrip, found 1 day ago
$1,136
Roundtrip
found 1 day ago
Select Turkish Airlines flight, departing Mon, Jun 22 from Osaka to Sofia, returning Sun, Jul 5, priced at $1,136 found 1 day ago
Turkish Airlines
Sun, Jan 18 - Fri, Jan 23
KIX
Osaka
SOF
Sofia
$1,184 Roundtrip, found 5 days ago
$1,184
Roundtrip
found 5 days ago
Select Turkish Airlines flight, departing Sun, Jan 18 from Osaka to Sofia, returning Fri, Jan 23, priced at $1,184 found 5 days ago
All Nippon Airways
Fri, Feb 27 - Sun, Mar 1
KIX
Osaka
SOF
Sofia
$1,197 Roundtrip, found 5 days ago
$1,197
Roundtrip
found 5 days ago
Select All Nippon Airways flight, departing Fri, Feb 27 from Osaka to Sofia, returning Sun, Mar 1, priced at $1,197 found 5 days ago
Turkish Airlines
Mon, Jun 22 - Sun, Jul 5
KIX
Osaka
SOF
Sofia
$1,231 Roundtrip, found 1 day ago
$1,231
Roundtrip
found 1 day ago
Select Turkish Airlines flight, departing Mon, Jun 22 from Osaka to Sofia, returning Sun, Jul 5, priced at $1,231 found 1 day ago
EVA Airways
Mon, Mar 9 - Thu, Mar 19
KIX
Osaka
SOF
Sofia
$1,272 Roundtrip, found 5 days ago
$1,272
Roundtrip
found 5 days ago
Select EVA Airways flight, departing Mon, Mar 9 from Osaka to Sofia, returning Thu, Mar 19, priced at $1,272 found 5 days ago
Turkish Airlines
Sun, Jan 18 - Fri, Jan 23
KIX
Osaka
SOF
Sofia
$1,280 Roundtrip, found 5 days ago
$1,280
Roundtrip
found 5 days ago
Select Turkish Airlines flight, departing Sun, Jan 18 from Osaka to Sofia, returning Fri, Jan 23, priced at $1,280 found 5 days ago
Lufthansa
Fri, Feb 27 - Sun, Mar 1
KIX
Osaka
SOF
Sofia
$1,306 Roundtrip, found 5 days ago
$1,306
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Fri, Feb 27 from Osaka to Sofia, returning Sun, Mar 1, priced at $1,306 found 5 days ago
Turkish Airlines
Sun, Jan 18 - Fri, Jan 23
KIX
Osaka
SOF
Sofia
$1,344 Roundtrip, found 5 days ago
$1,344
Roundtrip
found 5 days ago
Select Turkish Airlines flight, departing Sun, Jan 18 from Osaka to Sofia, returning Fri, Jan 23, priced at $1,344 found 5 days ago
Lufthansa
Fri, Feb 27 - Sun, Mar 1
KIX
Osaka
SOF
Sofia
$1,363 Roundtrip, found 5 days ago
$1,363
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Fri, Feb 27 from Osaka to Sofia, returning Sun, Mar 1, priced at $1,363 found 5 days ago
Lufthansa
Fri, Feb 27 - Sun, Mar 1
KIX
Osaka
SOF
Sofia
$1,370 Roundtrip, found 5 days ago
$1,370
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Fri, Feb 27 from Osaka to Sofia, returning Sun, Mar 1, priced at $1,370 found 5 days ago
Flights from Osaka (KIX) to Sofia (SOF)
Origin airport
Kansai Intl.
Destination airport
Sofia
Roundtrip price
$1,136
Distance
5590 mi

Osaka to Sofia Flights

The cheapest times to fly from Osaka to Sofia

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

 

The best time to book a flight from Osaka to Sofia

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

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 Osaka to Sofia in 2026. You can also book with separate airlines for your outbound and return journeys, from $586 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 Osaka to Sofia 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 Osaka to Sofia 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 Kansai Intl. Airport (KIX) to Sofia Airport (SOF) cost?
Secure a cheap one-way flight from $586 or cheap return flight from $1,136 from Kansai Intl. Airport (KIX) to Sofia Airport (SOF) 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 Kansai Intl. Airport (KIX) to Sofia Airport (SOF)?
Traveling in June is a great way to save, as it's the cheapest month for flights between KIX and SOF. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Kansai Intl. Airport (KIX) to Sofia Airport (SOF)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from KIX to SOF. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Kansai Intl. Airport (KIX) to Sofia Airport (SOF)?
Direct flights from Kansai Intl. Airport (KIX) to Sofia Airport (SOF) 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 click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from KIX to SOF?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change depending on a number of factors, such as 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 Kansai Intl. Airport (KIX) to Sofia Airport (SOF)?
Book a flight from Kansai Intl. Airport (KIX) to Sofia Airport (SOF) that takes off before 3 PM to reduce the risk of cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**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 Kansai Intl. Airport (KIX) to Sofia Airport (SOF) last-minute?
Holding off until just before your trip to book a ticket from KIX to SOF often results in higher prices. While it's possible to find some last-minute discounts, they're not always guaranteed. Be flexible with your travel plans to boost your chances of getting a bargain.
Is it cheaper to book a KIX to SOF flight and hotel package?
Opting for a KIX to SOF flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Pick from our wide range of accommodations and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Kansai Intl. Airport (KIX) to Sofia Airport (SOF)?
If you booked your KIX to SOF flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

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*Available to One Key members.