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$69+ Cheap flights from Seattle to Colorado Springs (SEA - COS)

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — COS
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Colorado Springs are usually found in October or August, booked 84 days in advance, depart on a Wednesday or Saturday and return on a Thursday

Cheap flight deals from Seattle to Colorado Springs

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Colorado Springs (COS). 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 November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$137
(Delta)

One-way from

$69
(Delta)

Popular in

December

Cheapest in

October

Average price

$419
Provider with most accurate pricing for Seattle/Tacoma Intl-Colorado Springs flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Colorado Springs flights.
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From Seattle/Tacoma Intl to Colorado Springs
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One-way flight from Seattle/Tacoma Intl to Colorado Springs
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Highest demand for flights based on searches. 12% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Seattle to Colorado Springs

Cheapest flights from Seattle to Colorado Springs
Explore the most affordable flight options available from Seattle to Colorado Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This Delta deal was found by Cheapflights users on 11/12. 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 12/51:40 pmSEA - COS
1 stop7h 45mDelta
Thu 12/116:00 pmCOS - SEA
1 stop7h 20mDelta
Deal found 11/12$137
This American Airlines deal was found by Cheapflights users on 11/12. 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 12/57:15 amSEA - COS
1 stop9h 20mAmerican Airlines
Wed 12/1010:37 amCOS - SEA
1 stop8h 14mAmerican Airlines
Deal found 11/12$159
This Delta deal was found by Cheapflights users on 11/11. 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 12/99:30 amSEA - COS
1 stop6h 49mDelta
Tue 12/168:10 amCOS - SEA
2 stops10h 00mDelta
Deal found 11/11$162
This Delta deal was found by Cheapflights users on 11/12. 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 12/510:25 amSEA - COS
2 stops11h 00mDelta
Wed 12/108:10 amCOS - SEA
1 stop7h 49mDelta
Deal found 11/12$172
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 12/1111:01 amSEA - COS
2 stops29h 02mMultiple Airlines
Thu 12/183:22 pmCOS - SEA
1 stop28h 31mMultiple Airlines
Deal found 11/12$208
This United Airlines deal was found by Cheapflights users on 11/12. 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 12/105:00 amSEA - COS
1 stop7h 08mUnited Airlines
Wed 12/176:00 amCOS - SEA
1 stop5h 10mUnited Airlines
Deal found 11/12$217
This United Airlines deal was found by Cheapflights users on 11/11. 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 12/912:36 pmSEA - COS
2 stops8h 23mUnited Airlines
Tue 12/161:35 pmCOS - SEA
1 stop5h 50mUnited Airlines
Deal found 11/11$222
This Delta deal was found by Cheapflights users on 11/12. 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 12/177:15 amSEA - COS
2 stops14h 10mDelta
Sun 12/215:59 pmCOS - SEA
1 stop7h 21mDelta
Deal found 11/12$236
This Southwest deal was found by Cheapflights users on 11/12. 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 12/177:05 amSEA - COS
1 stop9h 20mSouthwest
Sun 12/218:55 pmCOS - SEA
1 stop5h 30mSouthwest
Deal found 11/12$240

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Colorado Springs 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 November 13, 2025.
Use the filters below to find and compare flights from Seattle to Colorado Springs that are best for you.

Fly from

Seattle

Fly to

Colorado Springs

Route

Depart

Return

Price

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Mon 1/12

5:25 am-11:17 am

1 stop4h 52m

Colorado Springs

Sat 1/17

12:00 pm-4:38 pm

1 stop5h 38m

$137

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Mon 1/12

5:25 am-11:17 am

1 stop4h 52m

Colorado Springs

Thu 1/15

12:00 pm-6:29 pm

1 stop7h 29m

$137

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Tue 12/9

9:30 am-5:19 pm

1 stop6h 49m

Colorado Springs

Tue 12/16

6:00 pm-11:25 pm

1 stop6h 25m

$137

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Wed 1/14

5:25 am-11:17 am

1 stop4h 52m

Colorado Springs

Thu 1/15

12:00 pm-4:38 pm

1 stop5h 38m

$137

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Tue 1/13

5:25 am-11:17 am

1 stop4h 52m

Colorado Springs

Tue 1/20

7:59 am-3:08 pm

1 stop8h 09m

$137

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Wed 1/14

5:25 am-11:17 am

1 stop4h 52m

Colorado Springs

Sat 1/17

12:00 pm-4:38 pm

1 stop5h 38m

$137

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Tue 1/13

5:25 am-11:17 am

1 stop4h 52m

Colorado Springs

Wed 1/14

12:00 pm-10:25 pm

2 stops11h 25m

$142

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Mon 1/12

5:25 am-11:17 am

1 stop4h 52m

Colorado Springs

Wed 1/14

12:00 pm-10:25 pm

2 stops11h 25m

$142

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Sun 1/11

5:25 am-11:17 am

1 stop4h 52m

Colorado Springs

Wed 1/14

12:00 pm-10:25 pm

2 stops11h 25m

$142

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Mon 12/8

12:31 am-9:54 am

1 stop8h 23m

Colorado Springs

Tue 12/16

10:37 am-5:51 pm

1 stop8h 14m

$159

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 21 results
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Compare providers for flights from Seattle to Colorado Springs

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 Seattle to Colorado Springs in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Colorado Springs flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Colorado Springs flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Seattle-Colorado Springs flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Colorado Springs flights, Cheapflights users trust eDreams the most. eDreams 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 Seattle-Colorado Springs 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 Seattle to Colorado Springs

Have a flexible travel schedule? Discover the best time to fly to Colorado Springs from Seattle with our price prediction graph.
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 Seattle to Colorado Springs

How far ahead should I book a flight from Seattle to Colorado Springs?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Colorado Springs. Price data was last updated on November 7, 2025.

Booking 83 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Colorado Springs. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Seattle to Colorado Springs?

Currently, January is the cheapest month in which you can book a flight from Seattle to Colorado Springs (average of $46). Flying from Seattle to Colorado Springs in July is currently the most expensive (average of $110). 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.

What is the cheapest time of day to fly from SEA to COS?

Find hourly flight availability from Seattle to Colorado Springs. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 13, 2025.

It’s optimal to fly from Seattle to Colorado Springs in the evening. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight at noon.

Reviews of airlines servicing Colorado Springs

Get insights into the airlines that provide service to Colorado Springs. 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 Colorado Springs. Reviews last updated November 13, 2025.
Read through reviews of airlines operating flights from Seattle to Colorado Springs, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,236 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,236 reviews
Southwest
8.0
Very good
4,236 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
8,007 reviews
Southwest
8.0
Very good
4,236 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,015 reviews
Southwest
8.0
Very good
4,236 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Seattle to Colorado Springs. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Seattle to Colorado Springs?

    Airlines like Delta fly from Seattle to Colorado Springs in about 4h 52m. The time it takes to get you to your destination can typically vary by up to . There are 1065 mi between Seattle and Colorado Springs.

  • What are the cheapest airlines flying from Seattle to Colorado Springs round-trip?

    Our cheapest airline available from Seattle to Colorado Springs is Delta. Our recent data shows that you can find tickets from as low as $156 on this airline. Additional options worth looking into are Southwest and United Airlines, starting at $226 and $247 round-trip. Delta is currently priced 59% below the average price you’ll pay for this route.

  • Can I find deals for flights from Seattle to Colorado Springs that include hotel bookings?

    Yes. In addition to deals on Seattle to Colorado Springs flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Colorado Springs?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Colorado Springs.

  • Can I find deals for business class flights from Seattle to Colorado Springs?

    Yes. Cheapflights offers flight deals from Seattle to Colorado Springs by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Colorado Springs?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Colorado Springs (average of $46). Flying from Seattle to Colorado Springs in July is currently the most expensive (average of $110). 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.

See more FAQs

Traveling to a place near Colorado Springs?

Book flights to Colorado Springs if you plan to visit one of these locations
Cañon City

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Top 3 airlines flying from Seattle to Colorado Springs

Discover the top 3 airlines that operate flights from Seattle to Colorado Springs. 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$156Average$286FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$226Average$357FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$247Average$430FlexibilityNo cancel feeOn-time69%

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