Colorado Springs to Dulles (COS–IAD) — Airlines, Schedules & Connections

COS Airport Page →
1,460 mi airlines 0/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 54 1-stop flights Verified 1mo ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Colorado Springs to Dulles
Connecting service available through multiple hubs.
1,460 mi 2h 38m nonstop +2h ahead 54 1-stop hubs

While no nonstop service exists between COS and IAD, connecting options are available through 54 hubs.

Also explore COS Routes IAD Routes COS Live Flights IAD Live Flights COS Delays IAD Delays
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for COS to IAD.
1-STOP
One-Stop Connections
54
Hubs
~4h
Fastest
~24h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
900
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Alternatives

Other ways to reach Dulles from Colorado Springs

Nearby airports with service to Washington Dulles International Airport.
Metric COS→IAD DEN→IAD ASE→IAD
Distance from COS – 73 mi 120 mi
Nonstop airlines 0 9 4
Weekly flights 0 170 –
Flight time 2h 38m 3h 6m 2h 59m
Departure OTP 100% – –
Denver (DEN) to Dulles flights · Aspen (ASE) to Dulles flights · Eagle (EGE) to Dulles flights
Airports within 200 miles of COS with service to Washington Dulles International Airport.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
+2h
Dulles is 2 hours ahead of Colorado Springs.
COS: MDT · IAD: EDT

When it's 6:00 PM in Colorado Springs, it's 8:00 PM in Dulles.
Distance & Flight Time
1,460 mi / 2,350 km
Nonstop flight time is approximately 2h 38m.
Getting from IAD

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.

Dulles Climate

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.

Check current weather forecasts before travel.
Facts

COS–IAD Quick Facts

Key statistics for the Colorado Springs to Dulles route.
Route details
Distance1,460 mi / 2,350 km
Flight time2h 38m
Time difference+2 hours
Airlines (nonstop)0
1-stop connections54 hubs
Origin: COS
Full nameCity of Colorado Springs Municipal Airport
IATA / ICAOCOS / KCOS
TimezoneAmerica/Denver
Passengers/yr2.5M
Elevation6,187 ft / 1,886 m
Destination: IAD
Full nameWashington Dulles International Airport
IATA / ICAOIAD / KIAD
TimezoneAmerica/New_York
Passengers/yr26.0M
Elevation312 ft / 95 m
FAQ

Frequently Asked Questions

Common questions about COS to IAD flights.
Nonstop flights from City of Colorado Springs Municipal Airport to Washington Dulles International Airport take approximately 2h 38m. The route covers 1,460 miles.
Yes, 1-stop connections are available through ADS, TUL, PWK, DSM, BNA, CVG, OKC, EGE, TEX, ORF, ASE, MAF, CLE, TYS, DAL, JAC, MTJ, ISM, ABQ, HOU, TUS, PVU, BOS, SCF, MRK, PIE, BCT, APF, JFK, SUA, MTH, BOI, AUS, SNA, BUR, SJC, APC, CCR, SEA, PLS, CUN, NUQ, LAX, SFO, IAH, SLC, ORD, DEN, ATL, DFW, PHX, LAS, SAN and HND. These options provide additional schedule flexibility.
Dulles is 2 hours ahead of Colorado Springs.
Yes, return flights from IAD to COS are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include DEN, ASE and EGE. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

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).

Connecting Options and Alternatives

54 one-stop connections are available, with the fastest taking approximately 4 hours via ADS. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Denver (DEN), Aspen (ASE) and Eagle (EGE).