Colorado Springs to Seattle (COS–SEA) — Airlines, Schedules & Connections

COS Airport Page →
1,066 mi airlines 1/wk
On-time Some delays Frequent delays
Flight Schedule 1 flight Verified 6h ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
OO9792
OO SkyWest
12:38 PM
MDT
2:30 PM
MDT
1h 52m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
2-STOP Loading...
Colorado Springs to Seattle
1 carrier, 1 flights/week nonstop.
1 Airlines 1 Flights/wk 1,066 mi 1h 52m nonstop 23 1-stop hubs

COS–SEA is served by 1 airline with nonstop service. SkyWest Airlines leads the route. The flight covers 1,066 miles in approximately 1h 52m. Beyond nonstop, 23 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop COS–SEA service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
OO SkyWest Airlines 1 1h52 20%
Alliance coverage
Unaffiliated: OO (1 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, COS to SEA direction.
Mon
0
flights
Tue
0
flights
Wed
0
flights
Thu
1
flight
Fri
0
flights
Sat
0
flights
Sun
0
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
1
Nonstop flights
1
Outbound / wk
0
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for COS to SEA.
1-STOP
One-Stop Connections
23
Hubs
~4h
Fastest
~22h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,065
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.

On-Time Performance

What to expect at each end of your journey.
Outbound
COS → SEA
20%
Frequent delays expected. Consider flexible booking.
Departing
20%
Arriving
95%
Return
SEA → COS
78%
Generally reliable. Most flights run on time.
Departing
78%
Arriving
75%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. COS delays → SEA delays →

Other ways to reach Seattle from Colorado Springs

Nearby airports with service to Seattle–Tacoma International Airport.
Metric COS→SEA DEN→SEA ASE→SEA
Distance from COS 73 mi 120 mi
Nonstop airlines 1 9 1
Weekly flights 1 176 1
Flight time 1h 52m 1h 33m 1h 4m
Departure OTP 20%
Airports within 200 miles of COS with service to Seattle–Tacoma International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
0h
Seattle is 0 hours the same as Colorado Springs.
COS: MDT · SEA: MDT

When it's 6:00 PM in Colorado Springs, it's 6:00 PM in Seattle.
Distance & Flight Time
1,066 mi / 1,716 km
Nonstop flight time is approximately 1h 52m.
Getting from SEA

Link Light Rail from the airport station (inside the terminal) to downtown Seattle takes 38 minutes ($3.50). No transfers needed; trains run 5am to 1am daily.Taxis and ride-shares to downtown cost $35–55. For Bellevue and Eastside destinations (across Lake Washington), ride-share is faster than Link. Car rentals are in the consolidated rental facility; take the free shuttle from baggage claim. Sound Transit buses serve Tacoma, Renton, and Federal Way.

Seattle Climate

Marine west coast climate. Winters are mild but persistently grey and rainy (3–9°C). Snow is rare at sea level but can occur December through February, causing significant disruptions when it does. The airport sits between Seattle and Tacoma in an area that receives more fog and low cloud than downtown Seattle.

Summers are famously pleasant (18–25°C) with low humidity and mostly clear skies, one of the best flying climates in the US from June through September. The wettest months are November through January.

COS–SEA Quick Facts

Key statistics for the Colorado Springs to Seattle route.
Route details
Distance1,066 mi / 1,716 km
Flight time1h 52m
Time difference0 hours
Airlines (nonstop)1
Weekly flights1 out
1-stop connections23 hubs
Origin: COS
IATA / ICAOCOS / KCOS
TimezoneAmerica/Denver
Passengers/yr2.5M
Elevation6,187 ft / 1,886 m
Destination: SEA
IATA / ICAOSEA / KSEA
TimezoneAmerica/Boise
Passengers/yr52.6M
Elevation433 ft / 132 m

Frequently Asked Questions

Common questions about COS to SEA flights.
Nonstop flights from City of Colorado Springs Municipal Airport to Seattle–Tacoma International Airport take approximately 1h 52m. The route covers 1,066 miles.
1 airline operates nonstop service: SkyWest Airlines.
There are approximately 1 nonstop flights per week from COS to SEA.
Yes, 1-stop connections are available through CCR, EGE, ONT, SJC, LAX, BUR, HOU, SFO, CVG, IAD, SLC, JFK, CUN, IAH, LAS, DFW, ATL, DEN, DAL, PHX, ORD, SNA and SAN. These options provide additional schedule flexibility.
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 SEA

City of Colorado Springs Municipal Airport (COS) and Seattle–Tacoma International Airport (SEA) are connected by nonstop service from SkyWest Airlines. With 1 weekly departures, this is a regularly served route.

COS to SEA Flight Duration and Schedule

Nonstop flight time from COS to SEA ranges from 1 hours 52 minutes. The route covers a distance of 1,066 miles (1,716 km).

Connecting Options and Alternatives

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