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CGX to IAD: distance & flight time
Chicago (Chicago Meigs Airport) → Washington (Washington Dulles International Airport)
570 mi
918 km · 496 nm
1h 42m
estimated nonstop flight time
+1h
time difference · heading east
See live CGX→IAD fares Phone-only fares on this route — call free
Flight time details
570 miles nonstop takes roughly 1h 42m 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
- CGX — Chicago Meigs Airport · Chicago, United States
- IAD — Washington Dulles International Airport · Washington, 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 CGX
- ORD · Chicago O'Hare International Airport17 mi away
- MDW · Chicago Midway International Airport9 mi away
- GYY · Gary Chicago International Airport20 mi away
- PWK · Chicago Executive Airport23 mi away
Frequently asked questions
How far is CGX from IAD?
The flight distance from Chicago (CGX) to Washington (IAD) is 570 miles (918 km, 496 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CGX to IAD?
A nonstop flight takes about 1h 42m 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 Washington?
Washington is 1 hour ahead of Chicago.
What is the cheapest way to fly from CGX to IAD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CGX–IAD that never appear on search engines, with no booking fees.