Flight prices from Denver to Sofia
Planning a trip from Denver to Sofia and looking for the best fares? On Aviasurf you can find the latest prices for any day and choose the most convenient flight.
Climate in Sofia and when to travel
The warmest months in Sofia are July and August, each with an average monthly air temperature of 21.8 °C. The coldest month in Sofia is January, with an average monthly air temperature of 0.2 °C. The months with the lowest average monthly precipitation in Sofia are August and September, at 39 mm each.
Fare calendar for flights from Denver to Sofia
Explore fare trends for flights Denver — Sofia with our calendar. It helps you see ticket prices for each day of any month and optimize your travel budget. The tool makes finding the best deals even easier and more convenient.
General flight information from Denver to Sofia
Straight-line distance between cities
9482 km
5892 miles
Time difference
8 hours
Sofia is ahead of Denver
- Flights from Sofia to Denver for the return trip
- Tickets from Denver to any destination
- Fares from Sofia to any destination
- Tickets from Bulgaria to any destination
- Tickets from United States to any destination
- Prices for flights to Denver
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- Find flights from Denver to Bulgaria
- Flights from Sofia to United States
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Flight schedule from Denver to Sofia
Airports for flights from Denver to Sofia
The Denver — Sofia route is served by the following airports:
Airports in Denver
| Airport | Distance to city center | Lowest fare | Note |
|---|---|---|---|
| Denver International Airport (DEN) | 29 km |
Distances are straight-line distances to the city center.
Airports in Sofia
| Airport | Distance to city center | Lowest fare | Note |
|---|---|---|---|
| Sofia Airport (SOF) |
Distances are straight-line distances to the city center.
Alternative airport routes from Denver to Sofia
The same city pair is also served through these departure or arrival airports.
Frequently asked questions about flights from Denver to Sofia
Which airlines appear in available itineraries from Denver to Sofia?
Available itineraries from Denver to Sofia may include flight segments operated by Lufthansa, Bulgaria Air, Finnair, British Airways, United Airlines, Iberia, Turkish Airlines.
How long is the flight from Denver to Sofia?
Flight time from Denver to Sofia depends on whether the route is direct or has connections. Use our flight search to see exact timings for all available options.
Are there direct flights from Denver to Sofia?
The schedule data currently available to us does not show a nonstop flight from Denver to Sofia. Other routings may be available — use our search to check options for your dates.
How much is a round-trip ticket Denver — Sofia?
Round-trip fares from Denver to Sofia vary by season, booking date, airline, and cabin class. The cheapest fare found is $1,953 with departure on December 21, 2026 and return on January 3, 2027. Use our search for the most up-to-date prices.
What are the carry-on baggage rules for flights from Denver to Sofia?
Carry-on rules for flights from Denver to Sofia vary by airline. Typically passengers can bring one carry-on bag and one personal item such as a laptop bag or handbag. Weight and size limits usually are around 7–10 kg and 55x40x20 cm. Liquids and some items have additional security rules. Always check the specific airline policy before you fly.
What are the rules for traveling with pets on flights from Denver to Sofia?
Pet transport rules vary by airline. Generally pets must be in approved carriers. Some airlines allow small pets in the cabin, while larger pets must travel in the cargo hold. Health documents and certificates are required. Please confirm all requirements with your chosen airline.
How early should I arrive at the airport for a flight from Denver to Sofia?
Arrive early — typically 2–3 hours before international flights and 1–2 hours before domestic flights. This allows time for check‑in, baggage drop, and security. Peak periods or certain destinations may require extra time.
What additional fees can occur when booking a ticket from Denver to Sofia?
Additional fees can include seat selection, extra or special baggage, onboard meals, ticket changes or cancellations, early or late check‑in, and insurance. We do not add booking fees, but extra charges depend on the airline and fare rules.
Are there discounts or promotions for flights from Denver to Sofia?
Discounts and promotions vary by airline and booking period. Many airlines run deals outside peak seasons or for early bookings. Check our site regularly for the latest offers, as availability can change quickly.
Are there night flights from Denver to Sofia?
Night flight availability from Denver to Sofia can vary by airline and season. Use our search to see current schedules and departure times.
Are there Wi‑Fi flights on the Denver - Sofia route?
Wi‑Fi availability on Denver - Sofia flights varies by airline and aircraft. Check details with specific airlines or use our search to see current options.
What are the most common transfer options on flights from Denver to Sofia?
Transfer options from Denver to Sofia vary by airline and route. Some flights are direct while others include one or more connections. Use our search for accurate options.
What onboard services are provided on Denver - Sofia flights?
Onboard services vary by airline. Typically passengers can expect entertainment, meals, and beverages, and some carriers offer Wi‑Fi or additional amenities. Check with the airline or use our search for details.
Which airports serve the Denver - Sofia route?
The Denver - Sofia route is usually served by these departure airports: Denver International Airport. Arrival is usually through these airports: Sofia Airport. Exact airport combinations depend on the airline and selected flight. Use our search for details.
What aircraft fly the Denver - Sofia route?
Aircraft types on the Denver - Sofia route vary by airline. Carriers may use narrow‑body or wide‑body aircraft depending on the flight. Check with the airline or use our search for details.
Which connecting cities are common on the Denver - Sofia route?
Connecting cities on the Denver - Sofia route can vary by airline and schedule. Many major hubs may be used. Use our search or check with airlines for current options.
