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WBU to CQF: distance & flight time
Boulder (Boulder Municipal Airport) → Calais (Calais-Dunkerque Airport)
4,772 mi
7,680 km · 4,147 nm
9h 49m
estimated nonstop flight time
+8h
time difference · heading northeast
See live WBU→CQF fares Phone-only fares on this route — call free
Flight time details
4,772 miles nonstop takes roughly 9h 49m 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
- CQF — Calais-Dunkerque Airport · Calais, 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 CQF
- LTQ · Le Touquet-Côte d'Opale Airport34 mi away
- MSE · Kent International Airport37 mi away
- HZB · Merville-Calonne Airport38 mi away
- LYM · Lympne Airport42 mi away
Frequently asked questions
How far is WBU from CQF?
The flight distance from Boulder (WBU) to Calais (CQF) is 4,772 miles (7,680 km, 4,147 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WBU to CQF?
A nonstop flight takes about 9h 49m 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 Calais?
Calais is 8 hours ahead of Boulder.
What is the cheapest way to fly from WBU to CQF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WBU–CQF that never appear on search engines, with no booking fees.