Need help booking?
Unpublished phone-only deals available
WBU to BES: distance & flight time
Boulder (Boulder Municipal Airport) → Brest (Brest Bretagne Airport)
4,649 mi
7,481 km · 4,040 nm
9h 35m
estimated nonstop flight time
+8h
time difference · heading northeast
See live WBU→BES fares Phone-only fares on this route — call free
Flight time details
4,649 miles nonstop takes roughly 9h 35m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- WBU — Boulder Municipal Airport · Boulder, United States
- BES — Brest Bretagne Airport · Brest, France
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 BES
- LDV · Landivisiau Air Base13 mi away
- MXN · Morlaix-Ploujean Airport30 mi away
- UIP · Quimper-Cornouaille Airport35 mi away
- LAI · Lannion-Côte de Granit Airport48 mi away
Frequently asked questions
How far is WBU from BES?
The flight distance from Boulder (WBU) to Brest (BES) is 4,649 miles (7,481 km, 4,040 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WBU to BES?
A nonstop flight takes about 9h 35m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Boulder and Brest?
Brest is 8 hours ahead of Boulder.
What is the cheapest way to fly from WBU to BES?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WBU–BES that never appear on search engines, with no booking fees.