COS
Colorado Springs
United States
2,346 km
1,458 miles
IAD
Washington
United States
Distance
2,346 km
1,458 mi / 1,267 nm
Est. Flight Time
4h
Medium-haul route
Time Difference
+2h
America/Denver
Heading
81°
east

Ready to fly COS to IAD?

Compare flight prices across hundreds of airlines and booking sites.

Find flights from COS to IAD

Some links on this page are affiliate links. We may earn a commission at no extra cost to you.

Airport Comparison

COS IAD
Airport Name City Of Colorado Springs Municipal Airport Washington Dulles International Airport
IATA Code COS IAD
ICAO Code KCOS KIAD
City Colorado Springs Washington
Country United States United States
Timezone America/Denver America/New_York
Elevation 6,187 ft 312 ft
Coordinates 38.810000, -104.700000 38.900000, -77.500000

Colorado Springs (COS) to Washington (IAD) Flight Distance

The flight distance from City Of Colorado Springs Municipal Airport (COS) in Colorado Springs, United States to Washington Dulles International Airport (IAD) in Washington, United States is 2,346 kilometers (1,458 miles / 1,267 nautical miles). The estimated flight time for this route is approximately 4h, flying east at a heading of 81°.

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

This is a domestic route within United States. Both airports operate in the same country, which may simplify travel requirements and documentation. Despite being a domestic route, there is a 2-hour time difference between the two cities.

Time zone information: When it's 18:01 in Colorado Springs, it's 20:01 in Washington.

There is a significant elevation difference of 5,875 feet between the two airports. Washington Dulles International Airport sits lower than City Of Colorado Springs Municipal Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Washington (IAD) to Colorado Springs (COS) follows a heading of 278° (west). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the City Of Colorado Springs Municipal Airport (COS) and Washington Dulles International Airport (IAD) detail pages, or use our flight duration calculator to compare other routes.

Cheapest months to fly COS → IAD

Live ticket prices for the next 12 months. Click any month to see deals.

Flight schedule COS → IAD

Upcoming departures, airlines, and flight numbers for this route.

Flight COS → IAD delayed or cancelled?

You may be entitled to up to €600 compensation under EU 261 / UK 261. Check eligibility in 2 minutes.

Calculate Flight Time Between Airports

Use our flight time calculator to find distances and estimated flight travel times between cities. Calculate flight duration for any airport pair worldwide.