Cheap Flights to Bulgaria | Popular Routes to Bulgaria from HK$923

View HK$923 flight on Sun, 1 Mar 2026Opens in a new window

Popular airlines to Bulgaria

  • Lufthansa

  • Turkish Airlines

  • Austrian Airlines

  • LOT-Polish Airlines

  • Swiss International Air Lines

  • KLM

  • Air France

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 35% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Bulgaria

Prices were available within the past 7 days and start at HK$923 for one-way flights and HK$1,708 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Mon, 16 Mar - Mon, 23 Mar
LHR
London
SOF
Sofia
HK$1,708 Return, found 7 hours ago
HK$1,708
Return
found 7 hours ago
Select British Airways flight, departing Mon, 16 Mar from London to Sofia, returning Mon, 23 Mar, priced at HK$1,708 found 7 hours ago
British Airways
Sat, 7 Mar - Wed, 11 Mar
LHR
London
SOF
Sofia
HK$2,092 Return, found 3 days ago
HK$2,092
Return
found 3 days ago
Select British Airways flight, departing Sat, 7 Mar from London to Sofia, returning Wed, 11 Mar, priced at HK$2,092 found 3 days ago
British Airways
Sun, 1 Mar - Sun, 8 Mar
LHR
London
SOF
Sofia
HK$2,094 Return, found 3 days ago
HK$2,094
Return
found 3 days ago
Select British Airways flight, departing Sun, 1 Mar from London to Sofia, returning Sun, 8 Mar, priced at HK$2,094 found 3 days ago
British Airways
Mon, 16 Mar - Mon, 23 Mar
LHR
London
SOF
Sofia
HK$2,138 Return, found 7 hours ago
HK$2,138
Return
found 7 hours ago
Select British Airways flight, departing Mon, 16 Mar from London to Sofia, returning Mon, 23 Mar, priced at HK$2,138 found 7 hours ago
British Airways
Sat, 14 Mar - Sat, 28 Mar
LHR
London
SOF
Sofia
HK$2,321 Return, found 3 days ago
HK$2,321
Return
found 3 days ago
Select British Airways flight, departing Sat, 14 Mar from London to Sofia, returning Sat, 28 Mar, priced at HK$2,321 found 3 days ago
British Airways
Sun, 1 Mar - Sun, 8 Mar
LHR
London
SOF
Sofia
HK$2,329 Return, found 3 days ago
HK$2,329
Return
found 3 days ago
Select British Airways flight, departing Sun, 1 Mar from London to Sofia, returning Sun, 8 Mar, priced at HK$2,329 found 3 days ago
Lufthansa
Sun, 8 Mar - Thu, 12 Mar
LHR
London
SOF
Sofia
HK$2,449 Return, found 3 days ago
HK$2,449
Return
found 3 days ago
Select Lufthansa flight, departing Sun, 8 Mar from London to Sofia, returning Thu, 12 Mar, priced at HK$2,449 found 3 days ago
Austrian Airlines
Sun, 1 Mar - Sun, 8 Mar
LHR
London
SOF
Sofia
HK$2,500 Return, found 3 days ago
HK$2,500
Return
found 3 days ago
Select Austrian Airlines flight, departing Sun, 1 Mar from London to Sofia, returning Sun, 8 Mar, priced at HK$2,500 found 3 days ago
Swiss International Air Lines
Sat, 7 Mar - Wed, 11 Mar
LHR
London
SOF
Sofia
HK$2,503 Return, found 3 days ago
HK$2,503
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Sat, 7 Mar from London to Sofia, returning Wed, 11 Mar, priced at HK$2,503 found 3 days ago
Bulgaria Air
Sat, 14 Mar - Sat, 28 Mar
LHR
London
SOF
Sofia
HK$2,557 Return, found 3 days ago
HK$2,557
Return
found 3 days ago
Select Bulgaria Air flight, departing Sat, 14 Mar from London to Sofia, returning Sat, 28 Mar, priced at HK$2,557 found 3 days ago

About Bulgaria

Expedia offers flights to Bulgaria to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Bulgaria or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

Frequently asked questions

How do I find cheap flights to Bulgaria that have flexible change policies?
Search for your low-cost flights to Bulgaria, then check the "No change fee" box directly under the "Flexible change policies" subheading. It's that simple. We get that plans can change and flexibility is important, so you can book with confidence with Expedia.
How can I find cheap tickets to Bulgaria?
One of the best ways to find cheap tickets to Bulgaria is to be flexible with your dates. Search for your flights, then click "flexible dates" at the top of your results. It will reveal the cheapest prices for nearby days. The lowest price for a flight to Bulgaria in the last seven days was HK$1,708. Booking ahead of time will usually help you get an even better deal.
How much is a flight to Bulgaria?
In the last seven days, return tickets to Bulgaria sold for as little as HK$1,708 and peaked at HK$5,937. For one-way fares departing from London (LHR), the lowest amount paid during this same period was only HK$923.
When is the cheapest time to fly to Bulgaria?
Leave for Bulgaria earlier in the week and you'll usually be rewarded with lower-priced fares. Tuesday is generally the cheapest day to hop on a plane, followed by Monday. If you'd like to avoid the priciest flights, give Saturdays a wide berth.
How much is a plane ticket to Bulgaria?
In the last seven days, plane tickets to Bulgaria ranged between HK$1,708 and HK$5,937. Prices depend on a number of things, particularly the time of departure, seating class, airline and how early the fare is booked.
What is the best time to go to Bulgaria?
Sofia, Bulgaria's leading city, is a superb destination to check out at anytime. Not a fan of the cold? Then head here from June 20 onward during the summer months, when temperatures vary from 13ºC to 27ºC. June, July and August is when Sofia attracts the biggest crowds.
What months are the cheapest to book a flight to Bulgaria?
Grab your ticket in February to unlock awesome flight deals to Bulgaria. December is generally the most expensive time to purchase a seat.

Trending flights to Bulgaria

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qatar Airways
Mon, 15 Jun - Fri, 26 Jun
HKG
Hong Kong SAR
SOF
Sofia
HK$5,937 Return, found 2 days ago
HK$5,937
Return
found 2 days ago
Select Qatar Airways flight, departing Mon, 15 Jun from Hong Kong SAR to Sofia, returning Fri, 26 Jun, priced at HK$5,937 found 2 days ago
*Available to Expedia members.