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ALO to DEN: distance & flight time
Waterloo (Waterloo Regional Airport) → Denver (Denver International Airport)
664 mi
1,068 km · 577 nm
1h 55m
estimated nonstop flight time
-1h
time difference · heading west
See live ALO→DEN fares Phone-only fares on this route — call free
Flight time details
664 miles nonstop takes roughly 1h 55m 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
- ALO — Waterloo Regional Airport · Waterloo, United States
- DEN — Denver International Airport · Denver, 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 ALO
- CCY · Northeast Iowa Regional Airport37 mi away
- CID · The Eastern Iowa Airport58 mi away
- MCW · Mason City Municipal Airport63 mi away
- PCD · Prairie Du Chien Municipal Airport72 mi away
Near DEN
- BFK · Buckley Air Force Base12 mi away
- APA · Centennial Airport22 mi away
- BJC · Rocky Mountain Metropolitan Airport24 mi away
- WBU · Boulder Municipal Airport32 mi away
Frequently asked questions
How far is ALO from DEN?
The flight distance from Waterloo (ALO) to Denver (DEN) is 664 miles (1,068 km, 577 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALO to DEN?
A nonstop flight takes about 1h 55m 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 Waterloo and Denver?
Denver is 1 hour behind Waterloo.
What is the cheapest way to fly from ALO to DEN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALO–DEN that never appear on search engines, with no booking fees.