COS to SEA

Colorado Springs to Seattle flight ticket price

Compare fares, departure times, stops and baggage details for this route, then open the full search when you are ready to check current availability and complete booking.

COS
Colorado Springs (COS), United StatesColorado Springs
SEA
Seattle (SEA), United StatesSeattle/tacoma International
Search

Live flights for Sat, 06 Jun 2026

Review fares, stops, timings and baggage. Use Search or View all flights for the complete search result.

Showing flight options for the selected travel date.
Currency: USD
Sat, 06 JunCOS to SEA$290 Sun, 07 JunCOS to SEA Mon, 08 JunCOS to SEA Tue, 09 JunCOS to SEA Wed, 10 JunCOS to SEA Thu, 11 JunCOS to SEA Fri, 12 JunCOS to SEA
Sort By:DepartureDurationArrivalPrice
Delta Air Lines
Delta Air Lines
DL-4449
11:55
2026-06-06
Colorado Springs (COS)United StatesColorado Springs
7H :51 M
1 Stop
SLC · 3h 47mSalt Lake City (SLC), United States
18:46
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$290
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-5559
05:30
2026-06-06
Colorado Springs (COS)United StatesColorado Springs
5H :14 M
1 Stop
DEN · 1h 10mDenver (DEN), United States
09:44
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$335
total fare
Non Refundable 7 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-5291
06:00
2026-06-06
Colorado Springs (COS)United StatesColorado Springs
4H :44 M
1 Stop
DEN · 0h 40mDenver (DEN), United States
09:44
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$335
total fare
Non Refundable 4 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4675
11:31
2026-06-06
Colorado Springs (COS)United StatesColorado Springs
7H :28 M
1 Stop
DEN · 3h 13mDenver (DEN), United States
17:59
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$335
total fare
Non Refundable 1 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-5620
12:56
2026-06-06
Colorado Springs (COS)United StatesColorado Springs
6H :03 M
1 Stop
DEN · 1h 56mDenver (DEN), United States
17:59
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$335
total fare
Non Refundable 1 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-265
15:42
2026-06-06
Colorado Springs (COS)United StatesColorado Springs
6H :37 M
1 Stop
DEN · 2h 35mDenver (DEN), United States
21:19
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$335
total fare
Non Refundable 5 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-5620
12:56
2026-06-06
Colorado Springs (COS)United StatesColorado Springs
11H :36 M
1 Stop
DEN · 3h 52mDenver (DEN), United States
23:32
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$341
total fare
Non Refundable 2 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-265
15:42
2026-06-06
Colorado Springs (COS)United StatesColorado Springs
8H :50 M
1 Stop
DEN · 1h 09mDenver (DEN), United States
23:32
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$341
total fare
Non Refundable 3 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-4449
11:55
2026-06-06
Colorado Springs (COS)United StatesColorado Springs
5H :47 M
1 Stop
SLC · 1h 41mSalt Lake City (SLC), United States
16:42
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$342
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-1695
15:53
2026-06-06
Colorado Springs (COS)United StatesColorado Springs
7H :39 M
1 Stop
DFW · 1h 16mDallas (DFW), United States
22:32
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$386
total fare
Non Refundable 2 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-1695
15:53
2026-06-06
Colorado Springs (COS)United StatesColorado Springs
10H :06 M
1 Stop
DFW · 3h 44mDallas (DFW), United States
00:59
2026-06-07
SEATTLE (SEA)United StatesSeattle/tacoma International
$386
total fare
Non Refundable 4 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-4956
17:15
2026-06-06
Colorado Springs (COS)United StatesColorado Springs
8H :44 M
1 Stop
DFW · 2h 22mDallas (DFW), United States
00:59
2026-06-07
SEATTLE (SEA)United StatesSeattle/tacoma International
$386
total fare
Non Refundable 7 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4725
08:45
2026-06-06
Colorado Springs (COS)United StatesColorado Springs
5H :39 M
1 Stop
DEN · 1h 22mDenver (DEN), United States
13:24
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$413
total fare
Non Refundable 1 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4647
13:49
2026-06-06
Colorado Springs (COS)United StatesColorado Springs
5H :10 M
1 Stop
DEN · 1h 03mDenver (DEN), United States
17:59
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$413
total fare
Non Refundable 1 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4647
13:49
2026-06-06
Colorado Springs (COS)United StatesColorado Springs
10H :43 M
1 Stop
DEN · 2h 59mDenver (DEN), United States
23:32
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$418
total fare
Non Refundable 1 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-6408
05:35
2026-06-06
Colorado Springs (COS)United StatesColorado Springs
8H :38 M
1 Stop
DFW · 2h 07mDallas (DFW), United States
13:13
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$452
total fare
Non Refundable 6 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-1697
10:46
2026-06-06
Colorado Springs (COS)United StatesColorado Springs
6H :58 M
1 Stop
DFW · 0h 44mDallas (DFW), United States
16:44
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$452
total fare
Non Refundable 7 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-6390
13:06
2026-06-06
Colorado Springs (COS)United StatesColorado Springs
7H :57 M
1 Stop
DFW · 1h 34mDallas (DFW), United States
20:03
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$452
total fare
Non Refundable 2 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-3940
08:15
2026-06-06
Colorado Springs (COS)United StatesColorado Springs
8H :06 M
1 Stop
SLC · 3h 50mSalt Lake City (SLC), United States
15:21
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$453
total fare
Non Refundable 7 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4696
07:00
2026-06-06
Colorado Springs (COS)United StatesColorado Springs
7H :24 M
1 Stop
DEN · 3h 19mDenver (DEN), United States
13:24
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$463
total fare
Non Refundable 1 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-6408
05:35
2026-06-06
Colorado Springs (COS)United StatesColorado Springs
10H :18 M
1 Stop
DFW · 3h 50mDallas (DFW), United States
14:53
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$523
total fare
Non Refundable 7 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-782
08:01
2026-06-06
Colorado Springs (COS)United StatesColorado Springs
7H :52 M
1 Stop
DFW · 1h 31mDallas (DFW), United States
14:53
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$523
total fare
Non Refundable 6 Seat Left Economy
Cabin: Included

Recommended hotels in Seattle

Stay options near the arrival city for the same travel date.

Search hotels
No hotel result available

Open hotel search to check current stays for this destination.

American Airlines
American Airlines
AA-782
08:01
2026-06-06
Colorado Springs (COS)United StatesColorado Springs
9H :43 M
1 Stop
DFW · 3h 26mDallas (DFW), United States
16:44
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$523
total fare
Non Refundable 5 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4677
07:45
2026-06-06
Colorado Springs (COS)United StatesColorado Springs
6H :39 M
1 Stop
DEN · 2h 32mDenver (DEN), United States
13:24
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$543
total fare
Non Refundable 2 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-5634
09:20
2026-06-06
Colorado Springs (COS)United StatesColorado Springs
5H :04 M
1 Stop
DEN · 0h 51mDenver (DEN), United States
13:24
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$543
total fare
Non Refundable 3 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-6408
05:35
2026-06-06
Colorado Springs (COS)United StatesColorado Springs
15H :28 M
1 Stop
DFW · 9h 03mDallas (DFW), United States
20:03
2026-06-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$600
total fare
Refundable 7 Seat Left Economy
Cabin: Included
View all flights
No flights match the selected filters. Clear filters or open full search.

Fare highlights

Selected flight highlights for 06 Jun 2026.

Open full search
Lowest fare $290 Delta Air Lines 11:55
Earliest departure $335 United Airlines 05:30
Shortest duration $335 United Airlines 06:00
Night 00:00-05:59 $335 United Airlines at 05:30
Morning 06:00-11:59 $290 Delta Air Lines at 11:55
Afternoon 12:00-17:59 $335 United Airlines at 12:56
Evening 18:00-23:59 No option Open full search for more

Colorado Springs to Seattle route details

Colorado Springs (COS)

Colorado Springs

United States

GMT -7

Latitude: 38.805801

Longitude: -104.700996

Seattle (SEA)

Seattle/tacoma International

United States

GMT -8

Latitude: 47.449001

Longitude: -122.308998

Distance: Colorado Springs (COS), United States to Seattle (SEA), United States - 1,715.80 km
Flights shown for 06 Jun 2026. View all flights opens the complete search result.

Colorado Springs to Seattle - what to expect when booking

The COS to SEA cards above show selected flight options. Airline prices and seat availability can move quickly, so the final fare is rechecked in the booking flow.

Approx route distance: 1,715.80 km.

Before you book

Compare nearby dates

The date strip opens the complete search result for the route and selected date.

Use filters

Shortlist by price, stops, departure time and refundable fare preference.

Check fare rows

Select expands fare choices on the card before you move to review and booking.

More flights from Colorado Springs (COS)10 routes
Colorado Springs → Atlanta
COS → ATL
Colorado Springs → Chicago
COS → ORD
Colorado Springs → Denver
COS → DEN
Colorado Springs → Dallas
COS → DFW
Colorado Springs → Houston
COS → IAH
Colorado Springs → Las Vegas
COS → LAS
Colorado Springs → Los Angeles
COS → LAX
Colorado Springs → Salt Lake City
COS → SLC
Colorado Springs → San Francisco
COS → SFO
Colorado Springs → Washington Dulles
COS → IAD
More flights from Seattle (SEA)23 routes
Seattle → Albuquerque
SEA → ABQ
Seattle → Amsterdam
SEA → AMS
Seattle → Anchorage
SEA → ANC
Seattle → Atlanta
SEA → ATL
Seattle → Austin
SEA → AUS
Seattle → Beijing
SEA → PEK
Seattle → Bellingham
SEA → BLI
Seattle → Billings
SEA → BIL
Seattle → Boise
SEA → BOI
Seattle → Boston
SEA → BOS
Seattle → Bozeman
SEA → BZN
Seattle → Burbank
SEA → BUR
Seattle → Calgary
SEA → YYC
Seattle → Charlotte
SEA → CLT
Seattle → Chicago
SEA → MDW
Seattle → Colorado Springs
SEA → COS
Seattle → Dallas
SEA → DAL
Seattle → Denver
SEA → DEN
Seattle → Detroit Mi
SEA → DTW
Seattle → Dubai
SEA → DXB
Seattle → Edmonton
SEA → YEG
Seattle → Eugene
SEA → EUG
Seattle → Fairbanks
SEA → FAI
Frequently asked questions - Colorado Springs to Seattle flights
Generally yes. When your travel date is fixed, comparing live fares early gives you better visibility of timings, baggage and fare rules before prices change.
The approximate route distance between Colorado Springs (COS) and Seattle (SEA) is 1,715.80 km. Actual flying distance can vary by airline routing.
Availability changes by airline schedule and date. Use the Stops filter to quickly check non-stop, one-stop and connecting options on this landing page.
Airline inventory can change within minutes. Book Now sends the selected result to the review flow where the fare is checked again before final booking.
Yes. The date strip and search box open the full search for the selected date, while this page keeps the route details easy to compare.