Need help booking?
Unpublished phone-only deals available
DEN to ALO: distance & flight time
Denver (Denver International Airport) → Waterloo (Waterloo Regional Airport)
664 mi
1,068 km · 577 nm
1h 55m
estimated nonstop flight time
+1h
time difference · heading east
See live DEN→ALO fares Phone-only fares on this route — call free
Flight time details
664 miles nonstop takes roughly 1h 55m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- DEN — Denver International Airport · Denver, United States
- ALO — Waterloo Regional Airport · Waterloo, 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 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
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
Frequently asked questions
How far is DEN from ALO?
The flight distance from Denver (DEN) to Waterloo (ALO) is 664 miles (1,068 km, 577 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DEN to ALO?
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 Denver and Waterloo?
Waterloo is 1 hour ahead of Denver.
What is the cheapest way to fly from DEN to ALO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DEN–ALO that never appear on search engines, with no booking fees.