Flight from Denver (DEN) to Sofia (SOF) from $583
Flight Information
Cheapest flight from $583 
Departure and arrival airport DEN-SOF
Book your flights from Denver to Sofia right away!
Are you looking for cheap flights from Denver to Sofia? Check out our offers and you are guaranteed to find the best flight deals. Flights to Sofia start from $583 in October 2025.
Whether you are planning to spend an enjoyable holiday in Bulgaria or are travelling to Sofia for a business meeting, booking your flight at lufthansa.com takes you on a comfortable journey from USA to your desired flight destination.
We also make sure that your flight is as relaxing as possible, so you can enjoy your journey from Denver to Sofia stress free. You just need to specify the month in which you wish to fly. The cheapest flight from Denver to Sofia is available for $583 in October 2025.
Please note: To provide you with the widest possible selection of flight destinations, some of the direct flights or connecting flights on lufthansa.com are operated by our partner airlines, which may result in a different flight experience than with Lufthansa.
Flying from Denver to Sofia: tips and information for your trip
Book your flight from Denver (DEN) to Sofia (SOF) today and enjoy a relaxing holiday in the beautiful Bulgarian capital city! Explore the many towns and villages that make up Sofia and drop in to see a play at one of the many theatres in the city. Visit the Mall of Sofia and see what's playing at one of the biggest IMAX cinemas in Europe. Experience the natural wonders at Vitosha National Park, one of the oldest National Parks in Southeast Europe, or visit the ancient Roman and Medieval Bulgarian buildings that have been well preserved and still stand in the centre of the city. If you're interested in churches with a rich history and beautiful architecture, visit Aleksander Nevski Church or Sveta Sofia Church. Or take a trip to Boyana Church, a church built during the Byzantine Empire, which is part of the UNESCO World Heritage. With so much to see and do in this beautiful city, you will be making a return trip soon. Discover Bulgaria and book your flight from Denver to Sofia today!
Important information for your trip
Current weather in Sofia
Cloudy
Today
11 Apr.
32 / 51.8 °F
Tomorrow
12 Apr.
44.6 / 53.6 °F
Sunday
13 Apr.
37.4 / 64.4 °F
Monday
14 Apr.
46.4 / 55.4 °F
Tuesday
15 Apr.
48.2 / 53.6 °F
Wednesday
16 Apr.
48.2 / 68 °F
Thursday
17 Apr.
48.2 / 66.2 °F
Friday
18 Apr.
48.2 / 62.6 °F
Discover our destinations
FAQ
With Lufthansa, you can conveniently check in online from 23 hours before departure, select your seat and print out your boarding pass or have it sent to your mobile phone. You can choose to either check in online or use the Lufthansa app. Mobile boarding passes are available for most Lufthansa destinations, but in some exceptional cases they cannot be issued due to official regulations. If this is the case, you will be sent confirmation that you’ve checked in, which you then hand over at the airport counter to obtain your boarding pass. You can also use your mobile boarding pass offline if you have the Lufthansa app, iOS Wallet or Google Pay. You can find more information in our check-in section online.
Enjoy an excellent culinary experience on board your Lufthansa flight. We offer you a selection of snacks and high-quality fresh food, which varies depending on which flight class you’ve booked as well as the duration of the flight. On short-haul and medium-haul flights in Economy Class, you will receive a Lufthansa chocolate if your flight lasts 30 minutes or less, and an additional free bottle of mineral water for a flight of up to 60 minutes. For flights of one hour or more, you can also enjoy a range of delicious fresh snacks and a selection of beverages for an additional charge. On long-haul flights, you can also enjoy complimentary food and beverages in Economy Class. If you have special dietary requirements, you can order special meals or children’s menus up to 24 hours before departure. Learn more about our in-flight menus that will make your flight experience even more enjoyable.
The free baggage allowance and applicable fees for additional baggage depend on your route, flight class and the fare. Use our baggage calculator to find out how much baggage you are allowed to bring with you on your flight and how you can add additional baggage.
Our Lufthansa in-flight entertainment guarantees you an even more enjoyable flight. Not only can you look forward to a varied entertainment program on long-haul flights, but you can also download digital magazines and newspapers from our range of free eJournals, available on all Lufthansa flights. Current blockbusters, TV programmes, music, audio books, podcasts and games are a great way to pass the time on our long-haul flights. In our online guide to in-flight entertainment, you will find exciting trailers, articles and information on the latest entertainment on offer.
Prices for flights from Denver to Sofia start at $583 at lufthansa.com.
If a flight is cancelled, we automatically rebook all affected passengers. The new flight connection will then be displayed under "My bookings". If you need help, our Lufthansa Chat Assistant Elisa will be happy to assist you.
Baggage allowance refers to the amount of baggage you can bring with you at no extra cost. The size, weight and number of bags or suitcases depends on the fare you have booked, the flight route and your Miles & More status.
Premium Economy Class is our extra comfortable travel class, perfect for long-haul flights. Enjoy numerous advantages such as extra wide seating with increased reclining for a relaxing flight.
