Need help booking?
Unpublished phone-only deals available
WBU to JAM: distance & flight time
Boulder (Boulder Municipal Airport) → Yambol (Bezmer Air Base)
5,983 mi
9,629 km · 5,199 nm
12h 12m
estimated nonstop flight time
—
time difference · heading northeast
See live WBU→JAM fares Phone-only fares on this route — call free
Flight time details
5,983 miles nonstop takes roughly 12h 12m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- WBU — Boulder Municipal Airport · Boulder, United States
- JAM — Bezmer Air Base · Yambol, Bulgaria
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near WBU
- DEN · Denver International Airport32 mi away
- BJC · Rocky Mountain Metropolitan Airport11 mi away
- FNL · Northern Colorado Regional Airport31 mi away
- BFK · Buckley Air Force Base34 mi away
Near JAM
- SZR · Stara Zagora Airport36 mi away
- GOZ · Gorna Oryahovitsa Airport58 mi away
- BOJ · Burgas Airport60 mi away
- PDV · Plovdiv International Airport81 mi away
Frequently asked questions
How far is WBU from JAM?
The flight distance from Boulder (WBU) to Yambol (JAM) is 5,983 miles (9,629 km, 5,199 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WBU to JAM?
A nonstop flight takes about 12h 12m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from WBU to JAM?
Nonstop service on WBU–JAM depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 12h 12m nonstop estimate.
What is the cheapest way to fly from WBU to JAM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WBU–JAM that never appear on search engines, with no booking fees.
Why are some WBU to JAM fares phone-only?
Consolidator contracts let us sell certain WBU–JAM tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.