Colorado Springs to Dulles (COS–IAD) — Airlines, Schedules & Connections
No flights match your filters.
No nonstop flights on this route. connecting options below.
While no nonstop service exists between COS and IAD, connecting options are available through 35 hubs.
Connection Landscape
On-Time Performance
Other ways to reach Dulles from Colorado Springs
| Metric | COS→IAD | DEN→IAD | ASE→IAD |
|---|---|---|---|
| Distance from COS | – | 73 mi | 120 mi |
| Nonstop airlines | 0 | 5 | 3 |
| Weekly flights | 1 | 158 | 1 |
| Flight time | 2h 38m | 3h 7m | 2h 53m |
| Departure OTP | 100% | – | – |
Travel Essentials
COS: MDT · IAD: EDT
When it's 6:00 PM in Colorado Springs, it's 8:00 PM in Dulles.
Silver Line Metro runs from Washington Dulles Airport station to Metro Center in about 65 minutes (~$7). The route bypasses I-66 and I-495 congestion entirely. Washington Flyer coach also runs to Wiehle-Reston East station ($6, 15 min) for Metro connection.Taxis and ride-shares to downtown DC cost $55–80 and take 35–55 minutes depending on traffic. Car rental facilities are on-site. Dulles is 27 miles west of the Capitol; it is farther than either DCA or BWI from central DC.
Humid continental climate. Summers are hot and muggy (30–36°C) with frequent afternoon thunderstorms that cause delays June through August. Winters bring cold temperatures (−3 to 5°C) with snow and ice. The Virginia suburbs accumulate more snow than downtown DC, and ice storms are the primary disruption risk.
Dulles sits at higher elevation in Virginia's piedmont and sees more winter precipitation than DCA. Spring and fall are variable. Snowfall is possible into April. Thunderstorms begin from April through May.
COS–IAD Quick Facts
Frequently Asked Questions
Flights from COS to IAD
City of Colorado Springs Municipal Airport (COS) and Washington Dulles International Airport (IAD) are connected through multiple connecting hub airports.
COS to IAD Flight Duration and Schedule
Nonstop flight time from COS to IAD ranges from 2 hours 38 minutes. The route covers a distance of 1,460 miles (2,350 km). There are approximately 1 weekly flights outbound and 1 return, totaling 2 flights per week in both directions.
Connecting Options and Alternatives
35 one-stop connections are available, with the fastest taking approximately 4 hours via DAL. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Denver (DEN), Aspen (ASE) and Eagle (EGE).