$378 Cheap Flights from Sofia (SOF) to Bangkok (BKK)

View $378 flight on Sun, Nov 16, 2025Opens in a new window

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

Cheap Flights from Sofia to Bangkok (SOF-BKK)

Prices were available within the past 7 days and start at $378 for one-way flights and $660 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Sun, Dec 7 - Thu, Dec 18
SOF
Sofia
BKK
Bangkok
$660 Roundtrip, found 4 days ago
$660
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Sun, Dec 7 from Sofia to Bangkok, returning Thu, Dec 18, priced at $660 found 4 days ago
Swiss International Air Lines
Sun, Nov 23 - Wed, Dec 17
SOF
Sofia
BKK
Bangkok
$661 Roundtrip, found 3 days ago
$661
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Sun, Nov 23 from Sofia to Bangkok, returning Wed, Dec 17, priced at $661 found 3 days ago
Austrian Airlines
Sun, Nov 23 - Wed, Dec 17
SOF
Sofia
BKK
Bangkok
$661 Roundtrip, found 3 days ago
$661
Roundtrip
found 3 days ago
Select Austrian Airlines flight, departing Sun, Nov 23 from Sofia to Bangkok, returning Wed, Dec 17, priced at $661 found 3 days ago
Austrian Airlines
Sun, Dec 7 - Sat, Dec 13
SOF
Sofia
BKK
Bangkok
$663 Roundtrip, found 2 days ago
$663
Roundtrip
found 2 days ago
Select Austrian Airlines flight, departing Sun, Dec 7 from Sofia to Bangkok, returning Sat, Dec 13, priced at $663 found 2 days ago
Austrian Airlines
Sun, May 10 - Sat, May 23
SOF
Sofia
BKK
Bangkok
$665 Roundtrip, found 5 days ago
$665
Roundtrip
found 5 days ago
Select Austrian Airlines flight, departing Sun, May 10 from Sofia to Bangkok, returning Sat, May 23, priced at $665 found 5 days ago
Lufthansa
Sun, May 10 - Sat, May 23
SOF
Sofia
BKK
Bangkok
$666 Roundtrip, found 5 days ago
$666
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Sun, May 10 from Sofia to Bangkok, returning Sat, May 23, priced at $666 found 5 days ago
Austrian Airlines
Mon, Feb 2 - Mon, Feb 16
SOF
Sofia
BKK
Bangkok
$667 Roundtrip, found 3 hours ago
$667
Roundtrip
found 3 hours ago
Select Austrian Airlines flight, departing Mon, Feb 2 from Sofia to Bangkok, returning Mon, Feb 16, priced at $667 found 3 hours ago
Swiss International Air Lines
Sun, Nov 23 - Sat, Dec 6
SOF
Sofia
BKK
Bangkok
$669 Roundtrip, found 1 day ago
$669
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Sun, Nov 23 from Sofia to Bangkok, returning Sat, Dec 6, priced at $669 found 1 day ago
Bulgaria Air
Sun, Nov 23 - Wed, Dec 17
SOF
Sofia
BKK
Bangkok
$688 Roundtrip, found 3 days ago
$688
Roundtrip
found 3 days ago
Select Bulgaria Air flight, departing Sun, Nov 23 from Sofia to Bangkok, returning Wed, Dec 17, priced at $688 found 3 days ago
KLM
Wed, Nov 26 - Wed, Dec 10
SOF
Sofia
BKK
Bangkok
$738 Roundtrip, found 5 days ago
$738
Roundtrip
found 5 days ago
Select KLM flight, departing Wed, Nov 26 from Sofia to Bangkok, returning Wed, Dec 10, priced at $738 found 5 days ago

Alternative airports near Bangkok

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Suvarnabhumi Intl. BKK. Cheapest option available. Average driving time to city center is 23 minutes. Flights from $961
BKK
Suvarnabhumi Intl.
Cheapest
Average driving time to city center23 min
Flights from $961

Frequently asked questions

How much does a flight from Sofia Airport (SOF) to Suvarnabhumi Intl. Airport (BKK) cost?
Lock in a cheap one-way flight from $378 or cheap return flight from $660 from Sofia Airport (SOF) to Suvarnabhumi Intl. Airport (BKK) 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 Sofia Airport (SOF) to Suvarnabhumi Intl. Airport (BKK)?
The cheapest month to fly from SOF to BKK is December, when there's less demand. Off-peak months are often when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Sofia Airport (SOF) to Suvarnabhumi Intl. Airport (BKK)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest SOF to BKK flight.
How many flights per day from Sofia Airport (SOF) to Suvarnabhumi Intl. Airport (BKK)?
You'll need to take a flight with a layover if you're traveling from Sofia Airport (SOF) to Suvarnabhumi Intl. Airport (BKK). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from SOF to BKK?
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 public holidays or peak travel times.*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 Suvarnabhumi Intl. Airport (BKK)?
To reach Suvarnabhumi Intl. Airport (BKK) without delays, select a flight that takes off from Sofia Airport (SOF) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Suvarnabhumi Intl. Airport (BKK) last-minute?
Waiting until just before your trip to book a ticket from SOF to BKK often results in higher prices. While you might find some last-minute offers, they're not always guaranteed. Be flexible with your itinerary for a better chance of landing a bargain.
Is it cheaper to book a SOF to BKK flight and hotel package?
Compared with arranging hotels and flights separately, booking a SOF to BKK flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place takes the hassle out of planning your trip. Simply pick your flights and select from our wide range of stays, then customize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Sofia Airport (SOF) to Suvarnabhumi Intl. Airport (BKK)?
If you reserved your SOF to BKK flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

Travel information

Travel information

Origin airport
Sofia
Destination airport
Suvarnabhumi Intl.
Airlines serving
Air France, Air Serbia, Austrian Airlines, British Airways, Emirates, Etihad Airways, ITA Airways, KLM, Lufthansa, Malaysia Airlines, Qatar Airways, Swiss International Air Lines, Turkish Airlines
Roundtrip price
$659
Distance
4941 mi

Book with confidence

Book with confidence

Sofia to Bangkok Flights

The cheapest times to fly from Sofia to Bangkok

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

 

The best time to book a flight from Sofia to Bangkok

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

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 Bangkok in 2025. You can also book with separate airlines for your outbound and return journeys, from $378 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 Bangkok 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 Bangkok 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 Bangkok Flights

Explore a world of travel with Expedia

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*Available to One Key members.