$387 Cheap Flights from Singapore (SIN) to Sofia (SOF)

View $387 flight on Fri, Jan 23, 2026Opens in a new window

Popular airlines from Singapore Changi Airport (SIN) to Sofia Airport (SOF)

Cheap Flights from Singapore to Sofia (SIN-SOF)

Prices were available within the past 7 days and start at $387 for one-way flights and $662 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Tue, Dec 30 - Thu, Apr 16
SIN
Singapore
SOF
Sofia
$662 Roundtrip, found 2 days ago
$662
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Tue, Dec 30 from Singapore to Sofia, returning Thu, Apr 16, priced at $662 found 2 days ago
Lufthansa
Fri, Jan 23 - Fri, Jan 30
SIN
Singapore
SOF
Sofia
$666 Roundtrip, found 5 days ago
$666
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Fri, Jan 23 from Singapore to Sofia, returning Fri, Jan 30, priced at $666 found 5 days ago
Lufthansa
Fri, Jan 23 - Fri, Jan 30
SIN
Singapore
SOF
Sofia
$673 Roundtrip, found 5 days ago
$673
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Fri, Jan 23 from Singapore to Sofia, returning Fri, Jan 30, priced at $673 found 5 days ago
Lufthansa
Tue, Dec 30 - Thu, Apr 16
SIN
Singapore
SOF
Sofia
$675 Roundtrip, found 2 days ago
$675
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Tue, Dec 30 from Singapore to Sofia, returning Thu, Apr 16, priced at $675 found 2 days ago
Lufthansa
Tue, Dec 30 - Thu, Apr 16
SIN
Singapore
SOF
Sofia
$675 Roundtrip, found 2 days ago
$675
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Tue, Dec 30 from Singapore to Sofia, returning Thu, Apr 16, priced at $675 found 2 days ago
Lufthansa
Tue, Dec 30 - Thu, Apr 16
SIN
Singapore
SOF
Sofia
$682 Roundtrip, found 2 days ago
$682
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Tue, Dec 30 from Singapore to Sofia, returning Thu, Apr 16, priced at $682 found 2 days ago
Swiss International Air Lines
Tue, Dec 30 - Thu, Apr 16
SIN
Singapore
SOF
Sofia
$690 Roundtrip, found 2 days ago
$690
Roundtrip
found 2 days ago
Select Swiss International Air Lines flight, departing Tue, Dec 30 from Singapore to Sofia, returning Thu, Apr 16, priced at $690 found 2 days ago
Turkish Airlines
Mon, Feb 23 - Tue, Mar 3
SIN
Singapore
SOF
Sofia
$758 Roundtrip, found 5 days ago
$758
Roundtrip
found 5 days ago
Select Turkish Airlines flight, departing Mon, Feb 23 from Singapore to Sofia, returning Tue, Mar 3, priced at $758 found 5 days ago
Emirates
Thu, Feb 26 - Sun, Mar 1
SIN
Singapore
SOF
Sofia
$813 Roundtrip, found 5 days ago
$813
Roundtrip
found 5 days ago
Select Emirates flight, departing Thu, Feb 26 from Singapore to Sofia, returning Sun, Mar 1, priced at $813 found 5 days ago
KLM
Mon, Feb 23 - Mon, Mar 2
SIN
Singapore
SOF
Sofia
$955 Roundtrip, found 4 days ago
$955
Roundtrip
found 4 days ago
Select KLM flight, departing Mon, Feb 23 from Singapore to Sofia, returning Mon, Mar 2, priced at $955 found 4 days ago

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Flights from Singapore (SIN) to Sofia (SOF)
Origin airport
Changi
Destination airport
Sofia
Roundtrip price
$662
Distance
5677 mi

Singapore to Sofia Flights

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

 

The best time to book a flight from Singapore to Sofia

Sunday is one of the best days to book for cheap flights from Singapore 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 Singapore 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 Singapore to Sofia in 2025. You can also book with separate airlines for your outbound and return journeys, from $387 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 Singapore 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 Singapore 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.

 

Frequently asked questions

How much does a flight from Changi Airport (SIN) to Sofia Airport (SOF) cost?
Lock in a cheap one-way flight from $387 or cheap return flight from $662 from Changi Airport (SIN) 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 Changi Airport (SIN) to Sofia Airport (SOF)?
Traveling in December can help you save, as it's the cheapest month for flights between SIN and SOF. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Changi Airport (SIN) to Sofia Airport (SOF)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest SIN to SOF flight.
How many flights per day from Changi Airport (SIN) to Sofia Airport (SOF)?
You'll have to book a flight with a layover if you're traveling from Changi Airport (SIN) to Sofia Airport (SOF). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from SIN to SOF?
Typically you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Changi Airport (SIN) to Sofia Airport (SOF)?
To reach Sofia Airport (SOF) on time, book a flight that leaves Changi Airport (SIN) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Changi Airport (SIN) to Sofia Airport (SOF) last-minute?
Last-minute fares from SIN to SOF are typically more expensive. To secure the lowest rates, start looking for flights early. That said, if you can play around with your travel dates, it's possible to score a cheap fare right before you leave.
Is it cheaper to book a SIN to SOF flight and hotel package?
Securing a SIN to SOF flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our extensive range of hotels and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Changi Airport (SIN) to Sofia Airport (SOF)?
In most instances, you can cancel or modify your SIN to SOF flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you need more details, go to our Customer Service portal.

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*Available to One Key members.