
Popular airlines from Suvarnabhumi Intl. Airport (BKK) to Sofia Airport (SOF)
- Lufthansa
Lufthansa
- Turkish Airlines
Turkish Airlines
- KLM
KLM
- Austrian Airlines
Austrian Airlines
- Air France
Air France
- Swiss International Air Lines
Swiss International Air Lines
- Qatar Airways
Qatar Airways
Cheap Flights from Bangkok to Sofia (BKK-SOF)
Prices were available within the past 7 days and start at $391 for one-way flights and $788 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.









Find the cheapest month to fly from Bangkok (BKK) to Sofia (SOF)
May is typically the cheapest month to fly
Frequently asked questions
Travel information
Origin airport | Suvarnabhumi Intl. |
---|---|
Destination airport | Sofia |
Airlines serving | Air France, Air Serbia, Austrian Airlines, Etihad Airways, KLM, Lufthansa, Qatar Airways, Swiss International Air Lines, Turkish Airlines |
Roundtrip price | $787 |
Distance | 4941 mi |
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Bangkok to Sofia Flights
The cheapest times to fly from Bangkok 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 Bangkok to Sofia are during the month of December. You can find some of the cheapest flights from Bangkok to Sofia with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Bangkok to Sofia
Sunday is one of the best days to book for cheap flights from Bangkok 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 Bangkok 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 Bangkok to Sofia in 2025. You can also book with separate airlines for your outbound and return journeys, from $391 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 Bangkok 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 Bangkok 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.