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ESF to WBU: distance & flight time
Alexandria (Esler Regional Airport) → Boulder (Boulder Municipal Airport)
938 mi
1,509 km · 815 nm
2h 30m
estimated nonstop flight time
-1h
time difference · heading northwest
See live ESF→WBU fares Phone-only fares on this route — call free
Flight time details
938 miles nonstop takes roughly 2h 30m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- ESF — Esler Regional Airport · Alexandria, United States
- WBU — Boulder Municipal Airport · Boulder, United States
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 ESF
- AEX · Alexandria International Airport16 mi away
- POE · Polk Army Air Field58 mi away
- DRI · Beauregard Regional Airport73 mi away
- MLU · Monroe Regional Airport79 mi away
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
Frequently asked questions
How far is ESF from WBU?
The flight distance from Alexandria (ESF) to Boulder (WBU) is 938 miles (1,509 km, 815 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ESF to WBU?
A nonstop flight takes about 2h 30m 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 Alexandria and Boulder?
Boulder is 1 hour behind Alexandria.
What is the cheapest way to fly from ESF to WBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ESF–WBU that never appear on search engines, with no booking fees.