$608 Cheap Flights from Sofia (SOF) to Osaka (KIX)

View $608 flight on Mon, Jun 1, 2026Opens in a new window

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

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Cheap Flights from Sofia to Osaka (SOF-KIX)

Prices were available within the past 7 days and start at $608 for one-way flights and $956 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Wed, Jan 14 - Fri, Jan 30
SOF
Sofia
KIX
Osaka
$956 Roundtrip, found 3 days ago
$956
Roundtrip
found 3 days ago
Select British Airways flight, departing Wed, Jan 14 from Sofia to Osaka, returning Fri, Jan 30, priced at $956 found 3 days ago
British Airways
Wed, Jan 14 - Fri, Jan 23
SOF
Sofia
KIX
Osaka
$956 Roundtrip, found 2 days ago
$956
Roundtrip
found 2 days ago
Select British Airways flight, departing Wed, Jan 14 from Sofia to Osaka, returning Fri, Jan 23, priced at $956 found 2 days ago
KLM
Sat, Jan 10 - Sun, Jan 18
SOF
Sofia
KIX
Osaka
$1,015 Roundtrip, found 3 days ago
$1,015
Roundtrip
found 3 days ago
Select KLM flight, departing Sat, Jan 10 from Sofia to Osaka, returning Sun, Jan 18, priced at $1,015 found 3 days ago
KLM
Wed, Feb 25 - Thu, Mar 12
SOF
Sofia
KIX
Osaka
$1,016 Roundtrip, found 2 days ago
$1,016
Roundtrip
found 2 days ago
Select KLM flight, departing Wed, Feb 25 from Sofia to Osaka, returning Thu, Mar 12, priced at $1,016 found 2 days ago
Air France
Tue, Jan 13 - Mon, Jan 19
SOF
Sofia
KIX
Osaka
$1,017 Roundtrip, found 3 days ago
$1,017
Roundtrip
found 3 days ago
Select Air France flight, departing Tue, Jan 13 from Sofia to Osaka, returning Mon, Jan 19, priced at $1,017 found 3 days ago
Air France
Tue, Jan 13 - Mon, Jan 26
SOF
Sofia
KIX
Osaka
$1,017 Roundtrip, found 2 days ago
$1,017
Roundtrip
found 2 days ago
Select Air France flight, departing Tue, Jan 13 from Sofia to Osaka, returning Mon, Jan 26, priced at $1,017 found 2 days ago
British Airways
Wed, Jan 14 - Fri, Jan 23
SOF
Sofia
KIX
Osaka
$1,026 Roundtrip, found 3 days ago
$1,026
Roundtrip
found 3 days ago
Select British Airways flight, departing Wed, Jan 14 from Sofia to Osaka, returning Fri, Jan 23, priced at $1,026 found 3 days ago
British Airways
Sat, Jan 17 - Sat, Jan 31
SOF
Sofia
KIX
Osaka
$1,027 Roundtrip, found 2 days ago
$1,027
Roundtrip
found 2 days ago
Select British Airways flight, departing Sat, Jan 17 from Sofia to Osaka, returning Sat, Jan 31, priced at $1,027 found 2 days ago
Austrian Airlines
Sun, Jan 11 - Wed, Jan 21
SOF
Sofia
KIX
Osaka
$1,090 Roundtrip, found 3 days ago
$1,090
Roundtrip
found 3 days ago
Select Austrian Airlines flight, departing Sun, Jan 11 from Sofia to Osaka, returning Wed, Jan 21, priced at $1,090 found 3 days ago
Lufthansa
Fri, Jan 9 - Wed, Jan 21
SOF
Sofia
KIX
Osaka
$1,090 Roundtrip, found 3 days ago
$1,090
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Fri, Jan 9 from Sofia to Osaka, returning Wed, Jan 21, priced at $1,090 found 3 days ago

Frequently asked questions

How much does a flight from Sofia Airport (SOF) to Kansai Intl. Airport (KIX) cost?
Snag a cheap one-way flight from $608 or cheap return flight from $956 from Sofia Airport (SOF) to Kansai Intl. Airport (KIX) 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 Sofia Airport (SOF) to Kansai Intl. Airport (KIX)?
Planning your getaway for January is a good way to save, as it's the cheapest month for flights between SOF and KIX. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Sofia Airport (SOF) to Kansai Intl. Airport (KIX)?
To find the cheapest airline flying from SOF to KIX, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Sofia Airport (SOF) to Kansai Intl. Airport (KIX)?
There are no daily nonstop flights departing from Sofia Airport (SOF) to Kansai Intl. Airport (KIX). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from SOF to KIX?
Generally you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* However, this can change depending on the time of year, carrier 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 Sofia Airport (SOF) to Kansai Intl. Airport (KIX)?
Book a flight from Sofia Airport (SOF) to Kansai Intl. Airport (KIX) that leaves before 3 PM to reduce the risk of cancellations and delays. Later departures are on average 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 Kansai Intl. Airport (KIX) last-minute?
Waiting until right before your break to book your flight from SOF to KIX often results in higher prices. While it's possible to find some last-minute deals, they're not always guaranteed. Allow some flexibility in your schedule for a better chance of landing a bargain.
Is it cheaper to book a SOF to KIX flight and hotel package?
Compared with arranging hotels and flights separately, booking a SOF to KIX flight and hotel package with Expedia could result in significant savings. What's more, having everything in one place will take the stress out of travel planning. Simply secure your flights and choose from our extensive range of hotels, then tailor your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Sofia Airport (SOF) to Kansai Intl. Airport (KIX)?
It's usually possible to cancel or reschedule your SOF to KIX 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 allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

Origin airport
Sofia
Destination airport
Kansai Intl.
Airlines serving
All Nippon Airways, British Airways, Etihad Airways, KLM, Lufthansa, Qatar Airways, Turkish Airlines
Roundtrip price
$955
Distance
5590 mi

Book with confidence

Book with confidence

Sofia to Osaka Flights

The cheapest times to fly from Sofia to Osaka

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

 

The best time to book a flight from Sofia to Osaka

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

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 Osaka in 2025. You can also book with separate airlines for your outbound and return journeys, from $608 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 Osaka 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 Osaka 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.

 

Sofia to Osaka Flights

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Explore a world of travel with Expedia

*Available to One Key members.