Cheap Flights from Billund (BLL) to Sofia (SOF)

Popular airlines from Billund (BLL) to Sofia Airport (SOF)

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Frequently asked questions

How much does a flight from Billund Airport (BLL) to Sofia Airport (SOF) cost?
Secure a cheap one-way flight or cheap return flight from Billund Airport (BLL) to Sofia Airport (SOF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Billund Airport (BLL) to Sofia Airport (SOF)?
is the cheapest month to fly from BLL to SOF. Traveling during an off-peak travel window is often the key to finding a great deal.
What is the cheapest airline that flies from Billund Airport (BLL) to Sofia Airport (SOF)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll take you from BLL to SOF. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Billund Airport (BLL) to Sofia Airport (SOF)?
There aren't any daily direct flights available from Billund Airport (BLL) to Sofia Airport (SOF). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from BLL to SOF?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change 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 Billund Airport (BLL) to Sofia Airport (SOF)?
To arrive at Sofia Airport (SOF) on time, book a flight that takes off from Billund Airport (BLL) before 3 PM. The likelihood 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 Billund Airport (BLL) to Sofia Airport (SOF) last-minute?
Booking your ticket from BLL to SOF right before your trip is typically more expensive. But if you're flexible with your departure times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a BLL to SOF flight and hotel package?
Opting for a BLL to SOF flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Select from our extensive range of stays and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Billund Airport (BLL) to Sofia Airport (SOF)?
You can usually cancel or reschedule your BLL to SOF flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Billund
Destination airport
Sofia
Distance
1103 mi

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Billund to Sofia Flights

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

 

The best time to book a flight from Billund to Sofia

Sunday is one of the best days to book for cheap flights from Billund 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 Billund 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 Billund to Sofia in 2026. You can also book with separate airlines for your outbound and return journeys, from 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 Billund 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 Billund 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.

 

Billund to Sofia Flights

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*Available to One Key members.