Seattle to Colorado Springs (SEA–COS) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Last scheduled nonstop: Aug 2026.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
SEA–COS had nonstop service from Delta Air Lines, last on the schedule in August 2026. There's no nonstop on it right now, so today you'd fly it with one stop. The connecting options below are sorted by layover. Nonstop, it's about 1,066 miles in 3h 24m.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| DL Delta Air Lines | 0 | – | – | SkyTeam | – |
Connection Landscape
On-Time Performance
Other ways to reach Colorado Springs from Seattle
| Metric | SEA→COS | PAE→COS | EAT→COS |
|---|---|---|---|
| Distance from SEA | – | 32 mi | 98 mi |
| Nonstop airlines | – | 1 | 1 |
| Weekly flights | – | – | 1 |
| Flight time | 3h 24m | 2h 53m | 2h 39m |
| Departure OTP | 45% | – | – |
Travel Essentials
SEA: PDT · COS: MDT
When it's 6:00 PM in Seattle, it's 7:00 PM in Colorado Springs.
Link Light Rail runs from downtown Seattle (Westlake station) to the airport in 38 minutes ($3.50 peak). Trains run every 6–12 minutes during peak hours from 5am to 1am. Ride-shares run $30–50 from downtown; SR-99 and I-5 can be heavily congested southbound during afternoon rush (3–7pm).
Sound Transit 574 express bus serves Tacoma ($2.50–4). Sounder commuter rail connects Tacoma to the airport area via a shuttle.
SEA–COS Quick Facts
Frequently Asked Questions
Flights from SEA to COS
Seattle–Tacoma International Airport (SEA) and City of Colorado Springs Municipal Airport (COS) had nonstop service from Delta Air Lines, last on the schedule in August 2026. The nonstop is dormant right now, so the way to fly it today is one connection, and the options above are sorted by layover.
SEA to COS Flight Duration and Schedule
Nonstop flight time from SEA to COS is about 3 hours 24 minutes gate to gate. The route covers a distance of 1,066 miles (1,716 km).
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via Denver, Salt Lake City and Harry Reid. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Everett (PAE) and Wenatchee (EAT).