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IAD to DPA: distance & flight time
Washington (Washington Dulles International Airport) → West Chicago (Dupage Airport)
603 mi
970 km · 524 nm
1h 47m
estimated nonstop flight time
-1h
time difference · heading northwest
See live IAD→DPA fares Phone-only fares on this route — call free
Flight time details
603 miles nonstop takes roughly 1h 47m 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
- IAD — Washington Dulles International Airport · Washington, United States
- DPA — Dupage Airport · West Chicago, 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 DPA
- ORD · Chicago O'Hare International Airport18 mi away
- LOT · Lewis University Airport22 mi away
- PWK · Chicago Executive Airport23 mi away
- MDW · Chicago Midway International Airport27 mi away
Frequently asked questions
How far is IAD from DPA?
The flight distance from Washington (IAD) to West Chicago (DPA) is 603 miles (970 km, 524 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to DPA?
A nonstop flight takes about 1h 47m 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 West Chicago?
West Chicago is 1 hour behind Washington.
What is the cheapest way to fly from IAD to DPA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–DPA that never appear on search engines, with no booking fees.