$556 Cheap Flights from Hong Kong (HKG) to Sofia (SOF)

View $556 flight on Mon, Mar 16, 2026Opens in a new window

Popular airlines from Hong Kong International Airport (HKG) to Sofia Airport (SOF)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Hong Kong to Sofia (HKG-SOF)

Prices were available within the past 7 days and start at $556 for one-way flights and $661 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Mon, Dec 1 - Mon, Dec 8
HKG
Hong Kong SAR
SOF
Sofia
$661 Roundtrip, found 1 day ago
$661
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Mon, Dec 1 from Hong Kong SAR to Sofia, returning Mon, Dec 8, priced at $661 found 1 day ago
Lufthansa
Mon, Dec 1 - Mon, Dec 8
HKG
Hong Kong SAR
SOF
Sofia
$664 Roundtrip, found 1 day ago
$664
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Mon, Dec 1 from Hong Kong SAR to Sofia, returning Mon, Dec 8, priced at $664 found 1 day ago
Swiss International Air Lines
Wed, Apr 15 - Fri, Apr 24
HKG
Hong Kong SAR
SOF
Sofia
$674 Roundtrip, found 1 day ago
$674
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Wed, Apr 15 from Hong Kong SAR to Sofia, returning Fri, Apr 24, priced at $674 found 1 day ago
Swiss International Air Lines
Mon, Mar 16 - Tue, Mar 24
HKG
Hong Kong SAR
SOF
Sofia
$714 Roundtrip, found 6 hours ago
$714
Roundtrip
found 6 hours ago
Select Swiss International Air Lines flight, departing Mon, Mar 16 from Hong Kong SAR to Sofia, returning Tue, Mar 24, priced at $714 found 6 hours ago
Lufthansa
Wed, Apr 15 - Fri, Apr 24
HKG
Hong Kong SAR
SOF
Sofia
$716 Roundtrip, found 1 day ago
$716
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Apr 15 from Hong Kong SAR to Sofia, returning Fri, Apr 24, priced at $716 found 1 day ago
Swiss International Air Lines
Mon, Mar 16 - Tue, Mar 24
HKG
Hong Kong SAR
SOF
Sofia
$725 Roundtrip, found 6 hours ago
$725
Roundtrip
found 6 hours ago
Select Swiss International Air Lines flight, departing Mon, Mar 16 from Hong Kong SAR to Sofia, returning Tue, Mar 24, priced at $725 found 6 hours ago
Lufthansa
Mon, Mar 16 - Tue, Mar 24
HKG
Hong Kong SAR
SOF
Sofia
$740 Roundtrip, found 6 hours ago
$740
Roundtrip
found 6 hours ago
Select Lufthansa flight, departing Mon, Mar 16 from Hong Kong SAR to Sofia, returning Tue, Mar 24, priced at $740 found 6 hours ago
Turkish Airlines
Sun, Mar 15 - Wed, Mar 25
HKG
Hong Kong SAR
SOF
Sofia
$812 Roundtrip, found 6 hours ago
$812
Roundtrip
found 6 hours ago
Select Turkish Airlines flight, departing Sun, Mar 15 from Hong Kong SAR to Sofia, returning Wed, Mar 25, priced at $812 found 6 hours ago
Emirates
Fri, Nov 14 - Sat, Nov 22
HKG
Hong Kong SAR
SOF
Sofia
$869 Roundtrip, found 4 days ago
$869
Roundtrip
found 4 days ago
Select Emirates flight, departing Fri, Nov 14 from Hong Kong SAR to Sofia, returning Sat, Nov 22, priced at $869 found 4 days ago
Qatar Airways
Fri, Nov 28 - Fri, Dec 5
HKG
Hong Kong SAR
SOF
Sofia
$874 Roundtrip, found 1 day ago
$874
Roundtrip
found 1 day ago
Select Qatar Airways flight, departing Fri, Nov 28 from Hong Kong SAR to Sofia, returning Fri, Dec 5, priced at $874 found 1 day ago

Frequently asked questions

How much does a flight from Hong Kong Intl. Airport (HKG) to Sofia Airport (SOF) cost?
Lock in a cheap one-way flight from $556 or cheap return flight from $661 from Hong Kong Intl. Airport (HKG) to Sofia Airport (SOF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Hong Kong Intl. Airport (HKG) to Sofia Airport (SOF)?
December is the cheapest month to fly from HKG to SOF. Traveling outside of peak seasons is often the key to scoring lower fares.
What is the cheapest airline that flies from Hong Kong Intl. Airport (HKG) to Sofia Airport (SOF)?
To find the cheapest airline flying from HKG to SOF, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Hong Kong Intl. Airport (HKG) to Sofia Airport (SOF)?
There are no daily nonstop flights from Hong Kong Intl. Airport (HKG) to Sofia Airport (SOF). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from HKG to SOF?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary 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 Hong Kong Intl. Airport (HKG) to Sofia Airport (SOF)?
Opt for a flight from Hong Kong Intl. Airport (HKG) to Sofia Airport (SOF) that takes off before 3 PM to reduce the likelihood of delays. Departures later than this 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 Hong Kong Intl. Airport (HKG) to Sofia Airport (SOF) last-minute?
Last-minute fares from HKG to SOF are generally more expensive. To lock in the best prices, start looking for flights as soon as possible. That said, if you're flexible with your travel plans, you may land a cheap fare right before you leave.
Is it cheaper to book a HKG to SOF flight and hotel package?
Securing a HKG to SOF flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our wide range of accommodations and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Hong Kong Intl. Airport (HKG) to Sofia Airport (SOF)?
In most cases, you can modify or cancel your HKG to SOF flight. However, additional charges may apply, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you want further details, head to our Customer Service portal.

Travel information

Origin airport
Hong Kong Intl.
Destination airport
Sofia
Airlines serving
Air France, Air Serbia, Austrian Airlines, KLM, Lufthansa, Qatar Airways, Swiss International Air Lines, Turkish Airlines
Roundtrip price
$660
Distance
5213 mi

Book with confidence

Hong Kong to Sofia Flights

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

 

The best time to book a flight from Hong Kong to Sofia

Sunday is one of the best days to book for cheap flights from Hong Kong 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 Hong Kong 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 Hong Kong to Sofia in 2025. You can also book with separate airlines for your outbound and return journeys, from $556 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 Hong Kong 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 Hong Kong 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.

 

Hong Kong to Sofia Flights

Explore a world of travel with Expedia

*Available to One Key members.