$84 Cheap Flights from Luxembourg (LUX) to Sofia (SOF)

View $84 flight on Tue, Jan 20, 2026Opens in a new window

Popular airlines from Findel International Airport (LUX) to Sofia Airport (SOF)

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Cheap Flights from Luxembourg to Sofia (LUX-SOF)

Prices were available within the past 7 days and start at $84 for one-way flights and $261 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Wed, Oct 15 - Wed, Oct 22
LUX
Luxembourg
SOF
Sofia
$261 Roundtrip, found 1 day ago
$261
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Oct 15 from Luxembourg to Sofia, returning Wed, Oct 22, priced at $261 found 1 day ago
Lufthansa
Fri, Oct 3 - Mon, Oct 6
LUX
Luxembourg
SOF
Sofia
$261 Roundtrip, found 6 days ago
$261
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Fri, Oct 3 from Luxembourg to Sofia, returning Mon, Oct 6, priced at $261 found 6 days ago
Swiss International Air Lines
Fri, Oct 10 - Sun, Oct 12
LUX
Luxembourg
SOF
Sofia
$269 Roundtrip, found 1 day ago
$269
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Fri, Oct 10 from Luxembourg to Sofia, returning Sun, Oct 12, priced at $269 found 1 day ago
Lufthansa
Sat, Nov 8 - Mon, Nov 10
LUX
Luxembourg
SOF
Sofia
$270 Roundtrip, found 1 day ago
$270
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sat, Nov 8 from Luxembourg to Sofia, returning Mon, Nov 10, priced at $270 found 1 day ago
Lufthansa
Fri, Oct 17 - Mon, Oct 20
LUX
Luxembourg
SOF
Sofia
$271 Roundtrip, found 6 days ago
$271
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Fri, Oct 17 from Luxembourg to Sofia, returning Mon, Oct 20, priced at $271 found 6 days ago
Lufthansa
Sat, Nov 8 - Mon, Nov 10
LUX
Luxembourg
SOF
Sofia
$278 Roundtrip, found 1 day ago
$278
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sat, Nov 8 from Luxembourg to Sofia, returning Mon, Nov 10, priced at $278 found 1 day ago
LOT-Polish Airlines
Wed, Oct 15 - Wed, Oct 22
LUX
Luxembourg
SOF
Sofia
$279 Roundtrip, found 1 day ago
$279
Roundtrip
found 1 day ago
Select LOT-Polish Airlines flight, departing Wed, Oct 15 from Luxembourg to Sofia, returning Wed, Oct 22, priced at $279 found 1 day ago
Swiss International Air Lines
Wed, Oct 15 - Wed, Oct 22
LUX
Luxembourg
SOF
Sofia
$279 Roundtrip, found 1 day ago
$279
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Wed, Oct 15 from Luxembourg to Sofia, returning Wed, Oct 22, priced at $279 found 1 day ago
British Airways
Sat, Nov 8 - Mon, Nov 10
LUX
Luxembourg
SOF
Sofia
$293 Roundtrip, found 1 day ago
$293
Roundtrip
found 1 day ago
Select British Airways flight, departing Sat, Nov 8 from Luxembourg to Sofia, returning Mon, Nov 10, priced at $293 found 1 day ago
Austrian Airlines
Sat, Nov 8 - Mon, Nov 10
LUX
Luxembourg
SOF
Sofia
$343 Roundtrip, found 1 day ago
$343
Roundtrip
found 1 day ago
Select Austrian Airlines flight, departing Sat, Nov 8 from Luxembourg to Sofia, returning Mon, Nov 10, priced at $343 found 1 day ago
Flights from Luxembourg (LUX) to Sofia (SOF)
Origin airport
Findel
Destination airport
Sofia
Airlines serving
Air France, Austrian Airlines, KLM, LOT-Polish Airlines, Lufthansa, Swiss International Air Lines, Turkish Airlines
Roundtrip price
$260
Distance
948 mi

Luxembourg to Sofia Flights

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

 

The best time to book a flight from Luxembourg to Sofia

Sunday is one of the best days to book for cheap flights from Luxembourg 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 Luxembourg 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 Luxembourg to Sofia in 2025. You can also book with separate airlines for your outbound and return journeys, from $84 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 Luxembourg 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 Luxembourg 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 Findel Airport (LUX) to Sofia Airport (SOF) cost?
Snag a cheap one-way flight from $84 or cheap return flight from $261 from Findel Airport (LUX) to Sofia Airport (SOF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Findel Airport (LUX) to Sofia Airport (SOF)?
October is the most affordable month to fly from LUX to SOF. Traveling outside of peak seasons is often the key to landing a great deal.
What is the cheapest airline that flies from Findel Airport (LUX) to Sofia Airport (SOF)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from LUX to SOF. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Findel Airport (LUX) to Sofia Airport (SOF)?
Nonstop flights from Findel Airport (LUX) 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 dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from LUX to SOF?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary depending on a range of factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Findel Airport (LUX) to Sofia Airport (SOF)?
To avoid potential delays on the Findel Airport (LUX) to Sofia Airport (SOF) route, aim to travel before 3 PM. Departures after this time have a 22% higher chance of being 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 Findel Airport (LUX) to Sofia Airport (SOF) last-minute?
Booking your plane ticket from LUX to SOF shortly before your getaway is generally more expensive. However, if there's some wiggle room with your itinerary, you could bag a cheap last-minute fare.
Is it cheaper to book a LUX to SOF flight and hotel package?
Securing a LUX to SOF flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Pick from our extensive range of hotels and then add flights, activities and car rentals 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 Findel Airport (LUX) to Sofia Airport (SOF)?
In most cases, you can cancel or modify your LUX to SOF flight. However, there may be additional fees, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you'd like further details, head to our Customer Service portal.

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*Available to One Key members.