$144+ Cheap flights from Colorado Springs to Seattle (COS - SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
COS — SEA
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from Colorado Springs to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Colorado Springs to Seattle
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Best
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Cheapest flights from Colorado Springs to SeattleExplore the most affordable flight options available from Colorado Springs to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from Colorado Springs to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This Southwest deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:25 pm -
1 stop6h 00m
Sat 10/3111:45 am -
1 stop5h 45m
Deal found 9/6![Southwest logo]()
$287
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:08 pm -
1 stop6h 51m
Tue 10/205:00 am -
1 stop6h 27m
Deal found 9/7![United Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:14 am -
2 stops9h 37m
Tue 11/177:15 am -
2 stops9h 13m
Deal found 9/9![Delta logo]()
$298
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:27 am -
2 stops11h 36m
Tue 10/275:05 am -
1 stop4h 48m
Deal found 9/9![United Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:07 pm -
1 stop4h 58m
Wed 10/1412:30 pm -
2 stops8h 52m
Deal found 9/6![Delta logo]()
$312
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:14 am -
1 stop5h 26m
Tue 11/1711:20 am -
1 stop5h 08m
Deal found 9/9![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:15 am -
2 stops9h 29m
Sat 10/1012:30 pm -
2 stops8h 52m
Deal found 9/5![Delta logo]()
$317
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:07 pm -
1 stop5h 08m
Sat 10/175:00 am -
1 stop6h 27m
Deal found 9/8![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:14 am -
2 stops9h 37m
Mon 11/1612:31 pm -
2 stops8h 51m
Deal found 9/9![Delta logo]()
$323
Best flights from Colorado Springs to SeattleDiscover carefully curated flight deals from Colorado Springs to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Colorado Springs to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:15 am -
1 stop8h 30m
Tue 10/273:30 pm -
1 stop4h 40m
Deal found 9/9![Southwest logo]()
$287
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:17 am -
2 stops9h 28m
Tue 10/277:32 am -
2 stops8h 55m
Deal found 9/9![Delta logo]()
$298
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:27 am -
2 stops11h 36m
Tue 10/275:05 am -
1 stop4h 48m
Deal found 9/7![United Airlines logo]()
$302
This Southwest deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:25 pm -
1 stop6h 00m
Sat 10/317:55 am -
2 stops7h 10m
Deal found 9/6![Southwest logo]()
$292
This United Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:10 pm -
1 stop5h 09m
Tue 11/39:05 am -
2 stops11h 17m
Deal found 9/5![United Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:07 pm -
1 stop4h 58m
Sat 10/179:42 am -
1 stop6h 45m
Deal found 9/7![Delta logo]()
$307
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:07 pm -
1 stop4h 58m
Tue 10/271:30 pm -
1 stop7h 52m
Deal found 9/9![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:15 am -
2 stops9h 29m
Sat 10/1012:30 pm -
2 stops8h 52m
Deal found 9/5![Delta logo]()
$317
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:07 pm -
1 stop4h 58m
Sun 10/119:42 am -
1 stop6h 45m
Deal found 9/6![Delta logo]()
$333
Last-minute flights from Colorado Springs to SeattleDiscover last-minute flight deals from Colorado Springs to Seattle. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado Springs to Seattle. Data last updated September 10, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:15 am -
2 stops9h 29m
Sat 10/1012:30 pm -
2 stops8h 52m
Deal found 9/5![Delta logo]()
$317
This Southwest deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/611:15 am -
1 stop8h 30m
Fri 10/166:15 am -
1 stop8h 25m
Deal found 9/6![Southwest logo]()
$318
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:07 pm -
1 stop4h 58m
Wed 10/1412:30 pm -
2 stops8h 52m
Deal found 9/6![Delta logo]()
$312
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:07 pm -
1 stop5h 08m
Sat 10/175:00 am -
1 stop6h 27m
Deal found 9/8![United Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:08 pm -
1 stop5h 07m
Wed 10/216:05 pm -
1 stop4h 54m
Deal found 9/7![United Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:17 am -
2 stops9h 28m
Tue 10/277:32 am -
2 stops8h 55m
Deal found 9/9![Delta logo]()
$298
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:07 pm -
1 stop4h 58m
Tue 10/271:30 pm -
1 stop7h 52m
Deal found 9/9![Delta logo]()
$313
This Southwest deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:25 pm -
1 stop6h 00m
Sat 10/3111:45 am -
1 stop5h 45m
Deal found 9/6![Southwest logo]()
$287
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:27 am -
2 stops11h 36m
Tue 10/275:05 am -
1 stop4h 48m
Deal found 9/9![United Airlines logo]()
$302
One-way flights from Colorado Springs to SeattleSearch for one-way flight options from Colorado Springs to Seattle. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from Colorado Springs to Seattle. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:11 pm -
1 stop4h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Delta logo]()
$144
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:03 pm -
1 stop5h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$149
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:07 pm -
1 stop4h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Delta logo]()
$170
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:00 pm -
2 stops7h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Southwest logo]()
$175
This Southwest deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:15 pm -
1 stop7h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Southwest logo]()
$195
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:30 am -
2 stops7h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$204
This Southwest deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:00 pm -
2 stops7h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Southwest logo]()
$205
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:29 pm -
2 stops9h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$220
Find flight deals from Colorado Springs to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Colorado Springs (COS) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $287 (Southwest) |
One-way from | $144 (Delta) |
Popular in | June |
Cheapest in | January |
Average price | $411 |
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado Springs to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 10, 2026.
Use the filters below to find and compare flights from Colorado Springs to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Colorado SpringsSeattle
COS Colorado Springs - SEA Seattle/Tacoma Intl
COSSEA
Colorado Springs
Wed 9/30
6:11 pm-10:10 pm
1 stop4h 59m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$144
Colorado SpringsSeattle
COS Colorado Springs - SEA Seattle/Tacoma Intl
COSSEA
Colorado Springs
Wed 9/30
5:30 am-3:50 pm
2 stops11h 20m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$154
Colorado SpringsSeattle
COS Colorado Springs - SEA Seattle/Tacoma Intl
COSSEA
Colorado Springs
Thu 10/15
8:10 pm-1:00 am
1 stop5h 50m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$170
Colorado SpringsSeattle
COS Colorado Springs - SEA Seattle/Tacoma Intl
COSSEA
Colorado Springs
Mon 10/19
8:55 pm-1:40 am
1 stop5h 45m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$170
Quickest round-trip
Colorado SpringsSeattle
COS Colorado Springs - SEA Seattle/Tacoma Intl
COSSEA
Colorado Springs
Mon 10/19
6:07 pm-10:05 pm
1 stop4h 58m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$170
Colorado SpringsSeattle
COS Colorado Springs - SEA Seattle/Tacoma Intl
COSSEA
Colorado Springs
Mon 10/19
6:03 pm-10:59 pm
1 stop5h 56m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$170
Colorado SpringsSeattle
COS Colorado Springs - SEA Seattle/Tacoma Intl
COSSEA
Colorado Springs
Tue 10/20
11:15 am-6:45 pm
1 stop8h 30m
Seattle/Tacoma Intl
Tue 10/27
3:30 pm-9:10 pm
1 stop4h 40m
$287
Colorado SpringsSeattle
COS Colorado Springs - SEA Seattle/Tacoma Intl
COSSEA
Colorado Springs
Sat 10/24
5:25 pm-10:25 pm
1 stop6h 00m
Seattle/Tacoma Intl
Sat 10/31
7:55 am-4:05 pm
2 stops7h 10m
$292
Colorado SpringsSeattle
COS Colorado Springs - SEA Seattle/Tacoma Intl
COSSEA
Colorado Springs
Tue 10/20
8:17 am-4:45 pm
2 stops9h 28m
Seattle/Tacoma Intl
Tue 10/27
7:32 am-5:27 pm
2 stops8h 55m
$298
Colorado SpringsSeattle
COS Colorado Springs - SEA Seattle/Tacoma Intl
COSSEA
Colorado Springs
Sat 10/24
10:27 am-9:03 pm
2 stops11h 36m
Seattle/Tacoma Intl
Tue 10/27
5:05 am-10:53 am
1 stop4h 48m
$302
Showing 1-10 of 15 resultsSorted by cheapest first
Compare providers for flights from Colorado Springs to Seattle
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Colorado Springs to Seattle in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Colorado Springs-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Colorado Springs-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Colorado Springs-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Colorado Springs-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Colorado Springs-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Colorado Springs to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Colorado Springs with our price prediction graph.
COS-SEA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Colorado Springs to Seattle
How far ahead should I book a flight from Colorado Springs to Seattle?
The price you pay for your flight from Colorado Springs to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 59 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Colorado Springs to Seattle?
Currently, January is the cheapest month in which you can book a flight from Colorado Springs to Seattle (average of $224). Flying from Colorado Springs to Seattle in June is currently the most expensive (average of $530). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Colorado Springs to Seattle?
Airfare is below average for this route at the moment.
Colorado Springs to Seattle flights typically cost between $361 and $446 in October.The cheapest round-trip price found within the last 5 days was $287 on Southwest (Oct 24-Oct 31).
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated September 10, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Colorado Springs to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Related info for your journey
Find useful and relevant information for your journey from Colorado Springs to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Edmonds
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ellensburg
Issaquah
Marysville
Ocean Shores
Lakewood
Fife
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Colorado Springs and Seattle flights
Browse other Colorado Springs and Seattle flight options. Last updated on September 10, 2026.
Other flights from Colorado Springs
Browse through other flights departing from Colorado Springs. Flights are based on user searches made on Cheapflights and were last updated on September 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 10, 2026.
Top 3 airlines flying from Colorado Springs to Seattle
Discover the top 3 airlines that operate flights from Colorado Springs to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$137 | Average$313 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$186 | Average$421 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$217 | Average$403 | FlexibilityNo cancel fee | On-time69% |