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

IAD Airport Page →
1,460 mi airlines 1/wk
On-time Some delays Frequent delays
Flight Schedule 0 flights Verified 3h ago
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  Flight Airline AC Dep Arr Dur OTP Sched  

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP
✧ 2-STOP Loading...
Dulles to Colorado Springs
Connecting service available through multiple hubs.
1 Flights/wk 1,460 mi 3h 41m nonstop -2h behind 25 1-stop hubs

While no nonstop service exists between IAD and COS, connecting options are available through 25 hubs.

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

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for IAD to COS.
1-STOP
One-Stop Connections
25
Hubs
~4h
Fastest
~26h
Longest
SUS ~4h 16m PWK ~5h 30m ICT ~5h 44m OMA ~5h 44m TEX ~6h 3m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
894
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.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
IAD → COS
48%
Frequent delays expected. Consider flexible booking.
Departing
48%
Arriving
100%
Return
COS → IAD
56%
Frequent delays expected. Consider flexible booking.
Departing
56%
Arriving
62%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. IAD delays → COS delays →
Know before you go

Travel Essentials

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

When it's 6:00 PM in Dulles, it's 4:00 PM in Colorado Springs.
Distance & Flight Time
1,460 mi / 2,350 km
Nonstop flight time is approximately 3h 41m.
Getting to IAD

WMATA Silver Line Metro now reaches Dulles directly; take Silver Line to Washington Dulles Airport station (about 65 min from Metro Center, ~$7). The connection opened in late 2022.Ride-shares from downtown DC run $35–60 and take 35–50 minutes via I-66 (longer during peak hours). Washington Flyer coach to Wiehle-Reston East Metro costs $6. The airport is 27 miles from downtown; taxis are expensive ($60–80).

Facts

IAD–COS Quick Facts

Key statistics for the Dulles to Colorado Springs route.
Route details
Distance1,460 mi / 2,350 km
Flight time3h 41m
Time difference-2 hours
Airlines (nonstop)0
Weekly flights1 out / 1 return
1-stop connections25 hubs
Origin: IAD
Full nameWashington Dulles International Airport
IATA / ICAOIAD / KIAD
TimezoneAmerica/New_York
Passengers/yr26.0M
Elevation312 ft / 95 m
Destination: COS
Full nameCity of Colorado Springs Municipal Airport
IATA / ICAOCOS / KCOS
TimezoneAmerica/Denver
Passengers/yr2.5M
Elevation6,187 ft / 1,886 m
FAQ

Frequently Asked Questions

Common questions about IAD to COS flights.
Nonstop flights from Washington Dulles International Airport to City of Colorado Springs Municipal Airport take approximately 3h 41m. The route covers 1,460 miles.
There are approximately 1 nonstop flights per week from IAD to COS. The return direction has about 1 weekly flights.
Yes, 1-stop connections are available through SUS, PWK, ICT, OMA, TEX, PSM, HOU, DAL, SGR, PIE, SCF, JFK, VNY, SNA, LAX, ATL, ORD, DEN, IAH, LAS, DFW, PHX, SLC, SAN and CUN. These options provide additional schedule flexibility.
Colorado Springs is 2 hours behind Dulles.
Yes, return flights from COS to IAD are available. Use the direction toggle at the top to view the return schedule.
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 IAD to COS

Washington Dulles International Airport (IAD) and City of Colorado Springs Municipal Airport (COS) are connected through multiple connecting hub airports.

IAD to COS Flight Duration and Schedule

Nonstop flight time from IAD to COS ranges from 3 hours 41 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

25 one-stop connections are available, with the fastest taking approximately 4 hours via SUS. Two-stop connections are also available via intermediate hubs.