$99+ Cheap flights from Colorado Springs to Seattle (COS - SEA)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
COS — SEA
Mar 9 — Mar 161
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
Best
Last-minute
One-way
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 February 7, 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 February 7, 2026.
This Delta deal was found by Cheapflights users on 2/5. 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.
Tue 4/147:59 am
COS
- SEA
1 stop7h 47m
Delta
Sun 4/195:35 am
SEA
- COS
1 stop4h 37m
Delta
Deal found 2/5![Delta logo]()
$197
This Delta deal was found by Cheapflights users on 2/4. 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 3/512:00 pm
COS
- SEA
1 stop7h 29m
Delta
Mon 3/911:45 am
SEA
- COS
2 stops9h 20m
Delta
Deal found 2/4![Delta logo]()
$202
This Delta deal was found by Cheapflights users on 2/6. 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.
Mon 3/912:10 pm
COS
- SEA
1 stop5h 31m
Delta
Wed 3/115:30 am
SEA
- COS
1 stop4h 54m
Delta
Deal found 2/6![Delta logo]()
$207
This United Airlines deal was found by Cheapflights users on 2/3. 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 3/45:05 pm
COS
- SEA
1 stop5h 07m
United Airlines
Sat 3/75:00 am
SEA
- COS
1 stop5h 01m
United Airlines
Deal found 2/3![United Airlines logo]()
$217
This United Airlines deal was found by Cheapflights users on 2/5. 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.
Sat 3/71:32 pm
COS
- SEA
2 stops8h 26m
United Airlines
Mon 3/93:30 pm
SEA
- COS
1 stop5h 32m
United Airlines
Deal found 2/5![United Airlines logo]()
$222
This Delta deal was found by Cheapflights users on 2/6. 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.
Mon 3/3012:10 pm
COS
- SEA
1 stop7h 20m
Delta
Wed 4/15:30 am
SEA
- COS
1 stop4h 54m
Delta
Deal found 2/6![Delta logo]()
$233
This Delta deal was found by Cheapflights users on 2/5. 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.
Tue 4/1411:55 am
COS
- SEA
2 stops9h 28m
Delta
Thu 4/165:35 am
SEA
- COS
1 stop4h 37m
Delta
Deal found 2/5![Delta logo]()
$238
This United Airlines deal was found by Cheapflights users on 2/5. 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.
Thu 2/266:55 pm
COS
- SEA
1 stop5h 04m
United Airlines
Sun 3/15:00 am
SEA
- COS
1 stop6h 31m
United Airlines
Deal found 2/5![United Airlines logo]()
$243
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 February 7, 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 February 7, 2026.
This Southwest deal was found by Cheapflights users on 2/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/75:15 pm
COS
- SEA
1 stop6h 40m
Southwest
Sat 3/1411:10 am
SEA
- COS
1 stop7h 05m
Southwest
Deal found 2/5![Southwest logo]()
$197
This Delta deal was found by Cheapflights users on 2/5. 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.
Thu 3/512:00 pm
COS
- SEA
1 stop7h 29m
Delta
Mon 3/91:32 pm
SEA
- COS
1 stop7h 33m
Delta
Deal found 2/5![Delta logo]()
$197
This Delta deal was found by Cheapflights users on 2/5. 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.
Tue 4/147:59 am
COS
- SEA
1 stop7h 47m
Delta
Thu 4/165:35 am
SEA
- COS
1 stop4h 37m
Delta
Deal found 2/5![Delta logo]()
$197
This Southwest deal was found by Cheapflights users on 2/4. 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 4/43:25 pm
COS
- SEA
1 stop4h 50m
Southwest
Sun 4/123:25 pm
SEA
- COS
1 stop8h 05m
Southwest
Deal found 2/4![Southwest logo]()
$197
This Delta deal was found by Cheapflights users on 2/3. 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 3/37:55 am
COS
- SEA
1 stop7h 49m
Delta
Tue 3/101:32 pm
SEA
- COS
1 stop7h 33m
Delta
Deal found 2/3![Delta logo]()
$197
This Delta deal was found by Cheapflights users on 2/5. 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.
Wed 4/157:59 am
COS
- SEA
1 stop7h 47m
Delta
Tue 4/215:35 am
SEA
- COS
1 stop4h 37m
Delta
Deal found 2/5![Delta logo]()
$197
This Delta deal was found by Cheapflights users on 2/5. 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.
Tue 4/147:59 am
COS
- SEA
1 stop7h 47m
Delta
Wed 4/225:35 am
SEA
- COS
1 stop4h 37m
Delta
Deal found 2/5![Delta logo]()
$197
This Delta deal was found by Cheapflights users on 2/5. 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.
Wed 4/157:59 am
COS
- SEA
1 stop7h 47m
Delta
Sat 4/185:55 pm
SEA
- COS
1 stop4h 11m
Delta
Deal found 2/5![Delta logo]()
$197
This Delta deal was found by Cheapflights users on 2/3. 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 3/612:00 pm
COS
- SEA
1 stop7h 29m
Delta
Mon 3/911:45 am
SEA
- COS
2 stops9h 20m
Delta
Deal found 2/3![Delta logo]()
$202
This Delta deal was found by Cheapflights users on 2/3. 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 3/612:00 pm
COS
- SEA
1 stop7h 29m
Delta
Tue 3/1011:45 am
SEA
- COS
2 stops9h 20m
Delta
Deal found 2/3![Delta logo]()
$212
Last-minute flights from Colorado Springs to SeattleDiscover last-minute flight deals from Colorado Springs to Seattle. Data last updated February 7, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado Springs to Seattle. Data last updated February 7, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Thu 2/125:59 am
COS
- SEA
1 stop4h 50m
United Airlines
Tue 2/175:00 am
SEA
- COS
1 stop4h 52m
United Airlines
Deal found 2/3![United Airlines logo]()
$347
This Southwest deal was found by Cheapflights users on 2/3. 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 2/127:05 am
COS
- SEA
2 stops8h 20m
Southwest
Tue 2/175:15 am
SEA
- COS
1 stop5h 05m
Southwest
Deal found 2/3![Southwest logo]()
$383
This American Airlines deal was found by Cheapflights users on 2/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/124:49 pm
COS
- SEA
1 stop9h 06m
American Airlines
Sun 2/155:37 am
SEA
- COS
1 stop9h 21m
American Airlines
Deal found 2/5![American Airlines logo]()
$408
This American Airlines deal was found by Cheapflights users on 2/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/134:49 pm
COS
- SEA
1 stop9h 06m
American Airlines
Tue 2/172:17 pm
SEA
- COS
1 stop6h 53m
American Airlines
Deal found 2/6![American Airlines logo]()
$377
This United Airlines deal was found by Cheapflights users on 2/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/131:40 pm
COS
- SEA
1 stop5h 23m
United Airlines
Tue 2/175:05 am
SEA
- COS
2 stops8h 25m
United Airlines
Deal found 2/6![United Airlines logo]()
$462
This United Airlines deal was found by Cheapflights users on 2/4. 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.
Fri 2/136:55 pm
COS
- SEA
1 stop5h 04m
United Airlines
Mon 2/165:05 am
SEA
- COS
2 stops8h 25m
United Airlines
Deal found 2/4![United Airlines logo]()
$467
This Delta deal was found by Cheapflights users on 2/6. 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 2/1412:00 pm
COS
- SEA
2 stops9h 30m
Delta
Fri 2/205:30 am
SEA
- COS
1 stop4h 45m
Delta
Deal found 2/6![Delta logo]()
$352
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 February 7, 2026.
Search for one-way flight options from Colorado Springs to Seattle. Find affordable one-way fares based on user searches. Data last updated February 7, 2026.
This Delta deal was found by Cheapflights users on 2/5. 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.
Thu 3/1212:10 pm
COS
- SEA
1 stop7h 18m
Delta
Deal found 2/5![Delta logo]()
$99
This Southwest deal was found by Cheapflights users on 2/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/25:55 am
COS
- SEA
2 stops9h 35m
Southwest
Deal found 2/5![Southwest logo]()
$104
This Delta deal was found by Cheapflights users on 2/3. 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 7/35:55 pm
COS
- SEA
1 stop7h 06m
Delta
Deal found 2/3![Delta logo]()
$128
This Delta deal was found by Cheapflights users on 2/4. 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 3/2312:10 pm
COS
- SEA
2 stops12h 13m
Delta
Deal found 2/4![Delta logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/132:37 pm
COS
- SEA
3 stops43h 50m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$147
This Southwest deal was found by Cheapflights users on 2/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/238:55 pm
COS
- SEA
1 stop5h 45m
Southwest
Deal found 2/5![Southwest logo]()
$148
This Southwest deal was found by Cheapflights users on 2/3. 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 3/265:55 am
COS
- SEA
2 stops9h 35m
Southwest
Deal found 2/3![Southwest logo]()
$153
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Tue 2/173:40 pm
COS
- SEA
1 stop6h 32m
United Airlines
Deal found 2/3![United Airlines logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/127:03 pm
COS
- SEA
2 stops26h 18m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$160
This United Airlines deal was found by Cheapflights users on 2/5. 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.
Mon 4/131:33 pm
COS
- SEA
2 stops9h 13m
United Airlines
Deal found 2/5![United Airlines logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/235:13 pm
COS
- SEA
3 stops24h 56m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$190
This Southwest deal was found by Cheapflights users on 2/2. 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.
Fri 5/227:20 pm
COS
- SEA
1 stop6h 35m
Southwest
Deal found 2/2![Southwest logo]()
$214
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 February 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $197 (Delta) |
One-way from | $99 (Delta) |
Popular in | December |
Cheapest in | January |
Average price | $281 |
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 2,558,603 searches. Data last updated February 7, 2026.
Use the filters below to find and compare flights from Colorado Springs to Seattle that are best for you.
Fly from
Colorado Springs
Fly to
Seattle
Route
Depart
Return
Price
Colorado SpringsSeattle
COS - SEA
COSSEA
Colorado Springs
Sat 3/7
5:15 pm-10:55 pm
1 stop6h 40m
Seattle/Tacoma Intl
Sat 3/14
11:10 am-7:15 pm
1 stop7h 05m
$197
Colorado SpringsSeattle
COS - SEA
COSSEA
Colorado Springs
Thu 3/5
12:00 pm-6:29 pm
1 stop7h 29m
Seattle/Tacoma Intl
Mon 3/9
1:32 pm-10:05 pm
1 stop7h 33m
$197
Colorado SpringsSeattle
COS - SEA
COSSEA
Colorado Springs
Tue 4/14
7:59 am-2:46 pm
1 stop7h 47m
Seattle/Tacoma Intl
Thu 4/16
5:35 am-11:12 am
1 stop4h 37m
$197
Colorado SpringsSeattle
COS - SEA
COSSEA
Colorado Springs
Sat 4/4
3:25 pm-7:15 pm
1 stop4h 50m
Seattle/Tacoma Intl
Sun 4/12
3:25 pm-12:30 am
1 stop8h 05m
$197
Colorado SpringsSeattle
COS - SEA
COSSEA
Colorado Springs
Tue 3/3
7:55 am-2:44 pm
1 stop7h 49m
Seattle/Tacoma Intl
Tue 3/10
1:32 pm-10:05 pm
1 stop7h 33m
$197
Colorado SpringsSeattle
COS - SEA
COSSEA
Colorado Springs
Wed 4/15
7:59 am-2:46 pm
1 stop7h 47m
Seattle/Tacoma Intl
Tue 4/21
5:35 am-11:12 am
1 stop4h 37m
$197
Colorado SpringsSeattle
COS - SEA
COSSEA
Colorado Springs
Tue 4/14
7:59 am-2:46 pm
1 stop7h 47m
Seattle/Tacoma Intl
Wed 4/22
5:35 am-11:12 am
1 stop4h 37m
$197
Colorado SpringsSeattle
COS - SEA
COSSEA
Colorado Springs
Wed 4/15
7:59 am-2:46 pm
1 stop7h 47m
Seattle/Tacoma Intl
Sat 4/18
5:55 pm-11:06 pm
1 stop4h 11m
$197
Colorado SpringsSeattle
COS - SEA
COSSEA
Colorado Springs
Fri 3/6
12:00 pm-6:29 pm
1 stop7h 29m
Seattle/Tacoma Intl
Mon 3/9
11:45 am-10:05 pm
2 stops9h 20m
$202
Colorado SpringsSeattle
COS - SEA
COSSEA
Colorado Springs
Fri 3/6
12:00 pm-6:29 pm
1 stop7h 29m
Seattle/Tacoma Intl
Tue 3/10
11:45 am-10:05 pm
2 stops9h 20m
$212
Showing 1-10 of 20 results
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 February.
| 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?
Use this chart to determine the optimal time to book a round-trip flight from Colorado Springs to Seattle. Price data was last updated on January 30, 2026.
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 39 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, February is the cheapest month in which you can book a flight from Colorado Springs to Seattle (average of $54). Flying from Colorado Springs to Seattle in July is currently the most expensive (average of $119). 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.
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 February 7, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United 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.
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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 locationsTacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Kent
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Colorado Springs
Popular flights
Seattle flight routes
Alternative routes for Colorado Springs to Seattle
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Colorado Springs to Seattle by cabin class
Find flights from Colorado Springs to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Colorado Springs and Seattle flights
Browse other Colorado Springs and Seattle flight options. Last updated on February 7, 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 February 7, 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 February 7, 2026.
Top 4 airlines flying from Colorado Springs to Seattle
Discover the top 4 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 2,558,603 searches. Data last updated February 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$136 | Average$307 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$186 | Average$238 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$186 | Average$384 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$217 | Average$375 | FlexibilityNo cancel fee | On-time69% |