$391 Cheap Flights from Bangkok (BKK) to Sofia (SOF)

View $391 flight on Sun, Dec 21, 2025Opens in a new window

Popular airlines from Suvarnabhumi Intl. Airport (BKK) to Sofia Airport (SOF)

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.

Swiss International Air Lines
Mon, Dec 1 - Sat, Feb 28
BKK
Bangkok
SOF
Sofia
$788 Roundtrip, found 4 days ago
$788
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Mon, Dec 1 from Bangkok to Sofia, returning Sat, Feb 28, priced at $788 found 4 days ago
Austrian Airlines
Mon, Dec 1 - Sat, Feb 28
BKK
Bangkok
SOF
Sofia
$796 Roundtrip, found 4 days ago
$796
Roundtrip
found 4 days ago
Select Austrian Airlines flight, departing Mon, Dec 1 from Bangkok to Sofia, returning Sat, Feb 28, priced at $796 found 4 days ago
Lufthansa
Mon, Dec 1 - Sat, Feb 28
BKK
Bangkok
SOF
Sofia
$797 Roundtrip, found 4 days ago
$797
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Mon, Dec 1 from Bangkok to Sofia, returning Sat, Feb 28, priced at $797 found 4 days ago
Swiss International Air Lines
Mon, Dec 1 - Sat, Feb 28
BKK
Bangkok
SOF
Sofia
$821 Roundtrip, found 4 days ago
$821
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Mon, Dec 1 from Bangkok to Sofia, returning Sat, Feb 28, priced at $821 found 4 days ago
Austrian Airlines
Mon, Dec 1 - Sat, Feb 28
BKK
Bangkok
SOF
Sofia
$829 Roundtrip, found 4 days ago
$829
Roundtrip
found 4 days ago
Select Austrian Airlines flight, departing Mon, Dec 1 from Bangkok to Sofia, returning Sat, Feb 28, priced at $829 found 4 days ago
Lufthansa
Mon, Dec 1 - Sat, Feb 28
BKK
Bangkok
SOF
Sofia
$830 Roundtrip, found 4 days ago
$830
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Mon, Dec 1 from Bangkok to Sofia, returning Sat, Feb 28, priced at $830 found 4 days ago
Austrian Airlines
Mon, Nov 17 - Mon, Nov 24
BKK
Bangkok
SOF
Sofia
$831 Roundtrip, found 6 days ago
$831
Roundtrip
found 6 days ago
Select Austrian Airlines flight, departing Mon, Nov 17 from Bangkok to Sofia, returning Mon, Nov 24, priced at $831 found 6 days ago
Austrian Airlines
Mon, Nov 17 - Mon, Nov 24
BKK
Bangkok
SOF
Sofia
$833 Roundtrip, found 6 days ago
$833
Roundtrip
found 6 days ago
Select Austrian Airlines flight, departing Mon, Nov 17 from Bangkok to Sofia, returning Mon, Nov 24, priced at $833 found 6 days ago
Oman Air
Mon, Dec 1 - Sat, Feb 28
BKK
Bangkok
SOF
Sofia
$879 Roundtrip, found 4 days ago
$879
Roundtrip
found 4 days ago
Select Oman Air flight, departing Mon, Dec 1 from Bangkok to Sofia, returning Sat, Feb 28, priced at $879 found 4 days ago
Etihad Airways
Sun, Dec 7 - Sun, Dec 14
BKK
Bangkok
SOF
Sofia
$919 Roundtrip, found 8 hours ago
$919
Roundtrip
found 8 hours ago
Select Etihad Airways flight, departing Sun, Dec 7 from Bangkok to Sofia, returning Sun, Dec 14, priced at $919 found 8 hours ago

Find the cheapest month to fly from Bangkok (BKK) to Sofia (SOF)

May is typically the cheapest month to fly

From $753 - $979 per traveler.

Frequently asked questions

How much does a flight from Suvarnabhumi Intl. Airport (BKK) to Sofia Airport (SOF) cost?
Lock in a cheap one-way flight from $391 or cheap return flight from $788 from Suvarnabhumi Intl. Airport (BKK) to Sofia Airport (SOF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Suvarnabhumi Intl. Airport (BKK) to Sofia Airport (SOF)?
The cheapest month to fly from BKK to SOF is December, when demand is low. Off-peak months are often when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Suvarnabhumi Intl. Airport (BKK) to Sofia Airport (SOF)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from BKK to SOF. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Suvarnabhumi Intl. Airport (BKK) to Sofia Airport (SOF)?
Direct flights from Suvarnabhumi Intl. Airport (BKK) to Sofia Airport (SOF) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BKK to SOF?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change 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 Suvarnabhumi Intl. Airport (BKK) to Sofia Airport (SOF)?
Choose a flight from Suvarnabhumi Intl. Airport (BKK) to Sofia Airport (SOF) that leaves 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 Suvarnabhumi Intl. Airport (BKK) to Sofia Airport (SOF) last-minute?
Booking your flight from BKK to SOF right before your getaway is typically more expensive. However, if there's some wiggle room with your departure times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a BKK to SOF flight and hotel package?
Securing a BKK to SOF flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our extensive range of stays and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Suvarnabhumi Intl. Airport (BKK) to Sofia Airport (SOF)?
In most cases, you can reschedule or cancel your BKK to SOF flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you need further details, visit our Customer Service portal.

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

Book with confidence

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.

 

*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.

 

Bangkok to Sofia Flights

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*Available to One Key members.