Need help booking?
Unpublished phone-only deals available
CMI to DCA: distance & flight time
Champaign (University of Illinois Willard Airport) → Washington (Ronald Reagan Washington National Airport)
605 mi
974 km · 526 nm
1h 47m
estimated nonstop flight time
+1h
time difference · heading east
See live CMI→DCA fares Phone-only fares on this route — call free
Flight time details
605 miles nonstop takes roughly 1h 47m 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
- CMI — University of Illinois Willard Airport · Champaign, United States
- DCA — Ronald Reagan Washington National 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 CMI
Near DCA
Frequently asked questions
How far is CMI from DCA?
The flight distance from Champaign (CMI) to Washington (DCA) is 605 miles (974 km, 526 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CMI to DCA?
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 Champaign and Washington?
Washington is 1 hour ahead of Champaign.
What is the cheapest way to fly from CMI to DCA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CMI–DCA that never appear on search engines, with no booking fees.