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IAD to ALO: distance & flight time
Washington (Washington Dulles International Airport) → Waterloo (Waterloo Regional Airport)
820 mi
1,319 km · 712 nm
2h 15m
estimated nonstop flight time
-1h
time difference · heading west
See live IAD→ALO fares Phone-only fares on this route — call free
Flight time details
820 miles nonstop takes roughly 2h 15m 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
- IAD — Washington Dulles International Airport · Washington, 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 IAD
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 IAD from ALO?
The flight distance from Washington (IAD) to Waterloo (ALO) is 820 miles (1,319 km, 712 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to ALO?
A nonstop flight takes about 2h 15m 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 Washington and Waterloo?
Waterloo is 1 hour behind Washington.
What is the cheapest way to fly from IAD to ALO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–ALO that never appear on search engines, with no booking fees.