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UGN to WBU: distance & flight time
Chicago (Waukegan National Airport) → Boulder (Boulder Municipal Airport)
915 mi
1,473 km · 795 nm
2h 27m
estimated nonstop flight time
-1h
time difference · heading west
See live UGN→WBU fares Phone-only fares on this route — call free
Flight time details
915 miles nonstop takes roughly 2h 27m gate to gate, flying west. 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
- UGN — Waukegan National Airport · Chicago, 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 UGN
- ORD · Chicago O'Hare International Airport31 mi away
- ENW · Kenosha Regional Airport12 mi away
- PWK · Chicago Executive Airport21 mi away
- RAC · John H Batten Airport24 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 UGN from WBU?
The flight distance from Chicago (UGN) to Boulder (WBU) is 915 miles (1,473 km, 795 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UGN to WBU?
A nonstop flight takes about 2h 27m 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 Chicago and Boulder?
Boulder is 1 hour behind Chicago.
What is the cheapest way to fly from UGN to WBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UGN–WBU that never appear on search engines, with no booking fees.