SEARCH ONE AND DONE. - Compare hundreds of travel sites at once.
Choose where to book.
Find deals from over 400 airlines worldwide.

Cheap Flights from Colorado Springs to Seattle (COS - SEA)

DepartReturn
1 adult
Note: some airlines charge for infants in laps.
The price shown for each flight will be the average for all passengers including any infants.
Choose Sites to Compare vs. KAYAK

Best fares from COS to SEA (Found by others)

Sun Mon Tue Wed Thu Fri Sat
  1 $448 2 $572 3
$572
4 $522 5 $407 6
$407
7
$407
8 $513 9
$513
10 $323 11 $320 12 $340 13 $320
14 $320 15 $320 16
$320
17 $303 18 $283 19 $283 20 $292
21 $332 22
$332
23
$332
24
$332
25
$332
26 $283 27 $283
28
$283
29
$283
30
$283
       
KAYAK searches hundreds of sites to find the best rate for your next flight from Colorado Springs to Seattle. Get the best flight deal for your Seattle trip!
Here's how it works. Search KAYAK for a flight ticket from Colorado Springs to Seattle. Sort, filter and compare results on one web page. Then book your plane ticket direct on the airline or travel agent site of your choice!
Direct flights COS to SEA on Alaska Airlines
Flight # Depart COS Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
3497 8:00 am 9:55 am Aug 23 - Nov 1