There are 4 ways to get from Denver to Bulgaria by plane or train
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Fly to Sofia Airport
best- Fly from Denver (DEN) to Sofia Airport (SOF)plane DEN - SOF
16h$315–1,083Fly to Varna Airport
- Fly from Denver (DEN) to Varna Airport (VAR)plane DEN - VAR
19h 37m$507–1,570Fly to Bucharest Otopeni, train
- Fly from Denver (DEN) to Bucharest Otopeni (OTP)plane DEN - OTP
- Take the train from Bucuresti Nord to Rusetrain
19h 58m$337–1,135Fly to Burgas Airport
- Fly from Denver (DEN) to Burgas Airport (BOJ)plane DEN - BOJ
17h 9m$440–1,507
Denver (DEN) to Sofia Airport (SOF) flights
Comparing Your Travel Options
The cheapest way to get from Denver to Bulgaria is to fly which costs $310 - $1,100 and takes 16h.
The fastest way to get from Denver to Bulgaria is to fly which takes 16h and costs $310 - $1,100.
The distance between Denver and Bulgaria is 9510 km.
It takes approximately 16h to get from Denver to Bulgaria, including transfers.
Bulgaria is 9h ahead of Denver. It is currently 11:59 PM in Denver and 8:59 AM in Bulgaria.
There are 2271+ hotels available in Bulgaria.
What companies run services between Denver, CO, USA and Bulgaria?
United Airlines, Lufthansa, and three other airlines fly from Denver (DEN) to Sofia Airport (SOF) 5 times a day.
- Website
- lufthansa.com
Flights from Denver to Sofia Airport via Frankfurt
- Ave. Duration
- 14h 7m
- When
- Every day
- Estimated price
- $310–1,300
Flights from Denver to Sofia Airport via Munich
- Ave. Duration
- 12h 50m
- When
- Every day
- Estimated price
- $310–1,100
Flights from Denver to Sofia Airport via London Heathrow, Munich
- Ave. Duration
- 15h 45m
- When
- Every day
- Estimated price
- $310–1,100
Flights from Denver to Varna Airport via Frankfurt
- Ave. Duration
- 16h 35m
- When
- Wednesday and Saturday
- Estimated price
- $420–1,700
Flights from Denver to Bucharest Otopeni via Frankfurt
- Ave. Duration
- 13h 42m
- When
- Every day
- Estimated price
- $320–1,300
Flights from Denver to Bucharest Otopeni via Munich
- Ave. Duration
- 13h
- When
- Wednesday to Friday
- Estimated price
- $320–1,200
Flights from Denver to Burgas Airport via Munich
- Ave. Duration
- 16h 7m
- When
- Tuesday
- Estimated price
- $430–1,700
- Website
- united.com
Flights from Denver to Sofia Airport via Frankfurt
- Ave. Duration
- 12h 30m
- When
- Every day
- Estimated price
- $310–1,100
Flights from Denver to Bucharest Otopeni via Frankfurt
- Ave. Duration
- 13h 42m
- When
- Every day
- Estimated price
- $320–1,300
- Website
- britishairways.com
Flights from Denver to Sofia Airport via London Heathrow
- Ave. Duration
- 14h 2m
- When
- Tuesday, Thursday, Saturday, and Sunday
- Estimated price
- $310–1,100
Flights from Denver to Bucharest Otopeni via London Heathrow
- Ave. Duration
- 22h 4m
- When
- Every day
- Estimated price
- $320–1,200
- Website
- turkishairlines.com
Flights from Denver to Sofia Airport via Istanbul
- Ave. Duration
- 16h 25m
- When
- Monday, Wednesday, Friday, and Sunday
- Estimated price
- $370–1,300
Flights from Denver to Varna Airport via Istanbul
- Ave. Duration
- 16h 30m
- When
- Wednesday, Friday, and Sunday
- Estimated price
- $470–1,600
Flights from Denver to Bucharest Otopeni via Istanbul
- Ave. Duration
- 15h 45m
- When
- Monday, Wednesday, Friday, and Sunday
- Estimated price
- $370–1,300
- Website
- tarom.ro
Flights from Denver to Bucharest Otopeni via Paris Charles de Gaulle
- Ave. Duration
- 13h 45m
- When
- Every day
- Estimated price
- $320–1,200
Flights from Denver to Bucharest Otopeni via Rome
- Ave. Duration
- 14h 20m
- When
- Saturday
- Estimated price
- $340–1,200
- Phone
- 0219521
- Website
- Romanian Railways (CFR)
Train from Bucuresti Nord to Ruse
- Ave. Duration
- 2h 33m
- Frequency
- Once daily
- Estimated price
- $13–15
- Website
- Romanian Railways (CFR)
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