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$119+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
COS — SEA
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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The best prices from Colorado Springs to Seattle/Tacoma Intl are usually found in January or February, booked 52 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap 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 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$223
(Southwest)

One-way from

$131
(Mytrip)

Popular in

July

Cheapest in

January

Average price

$327
Provider with most accurate pricing for Colorado Springs-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Colorado Springs-Seattle/Tacoma Intl flights.
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From Colorado Springs to Seattle/Tacoma Intl
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One-way flight from Colorado Springs to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 14% potential increase in price ($69 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Colorado Springs to Seattle

Cheapest flights from Colorado Springs to Seattle
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 20, 2025.

This United Airlines deal was found by Cheapflights users on 2/18. 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 3/185:16 pmCOS - SEA
1 stop4h 45mUnited Airlines
Tue 4/18:50 amSEA - COS
1 stop4h 39mUnited Airlines
Deal found 2/18$217
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Mon 3/174:40 pmCOS - SEA
1 stop9h 08mAmerican Airlines
Wed 3/195:22 amSEA - COS
1 stop9h 24mAmerican Airlines
Deal found 2/19$227
This Southwest deal was found by Cheapflights users on 2/19. 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 3/66:15 pmCOS - SEA
1 stop7h 35mSouthwest
Mon 3/105:00 amSEA - COS
1 stop4h 10mSouthwest
Deal found 2/19$257
This Delta deal was found by Cheapflights users on 2/19. 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 2/228:20 amCOS - SEA
2 stops7h 25mDelta
Mon 3/37:10 amSEA - COS
2 stops10h 40mDelta
Deal found 2/19$766

Find flights from Colorado Springs to Seattle within your budget

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 20, 2025.

Fly from

Colorado Springs

Fly to

Seattle

Route

Depart

Return

Price

Colorado SpringsSeattle

COS - SEA

COSSEA

Colorado Springs

Tue 3/18

5:16 pm-9:01 pm

1 stop4h 45m

Seattle/Tacoma Intl

Tue 4/1

8:50 am-2:29 pm

1 stop4h 39m

$217

Colorado SpringsSeattle

COS - SEA

COSSEA

Colorado Springs

Mon 3/17

4:40 pm-12:48 am

1 stop9h 08m

Seattle/Tacoma Intl

Wed 3/19

5:22 am-3:46 pm

1 stop9h 24m

$227

Colorado SpringsSeattle

COS - SEA

COSSEA

Colorado Springs

Thu 3/6

6:15 pm-12:50 am

1 stop7h 35m

Seattle/Tacoma Intl

Mon 3/10

5:00 am-10:10 am

1 stop4h 10m

$257

Colorado SpringsSeattle

COS - SEA

COSSEA

Colorado Springs

Wed 5/14

8:00 am-5:00 pm

2 stops10h 00m

Seattle/Tacoma Intl

Wed 5/21

9:40 am-7:16 pm

2 stops8h 36m

$367

Colorado SpringsSeattle

COS - SEA

COSSEA

Colorado Springs

Mon 3/17

4:40 pm-12:48 am

1 stop9h 08m

$119

Colorado SpringsSeattle

COS - SEA

COSSEA

Colorado Springs

Sun 3/16

6:24 pm-7:02 pm

3 stops25h 38m

$135

Colorado SpringsSeattle

COS - SEA

COSSEA

Colorado Springs

Sat 8/16

5:30 am-10:08 am

1 stop5h 38m

$149

Colorado SpringsSeattle

COS - SEA

COSSEA

Colorado Springs

Sun 3/16

7:30 pm-12:45 am

1 stop6h 15m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

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.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 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.
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.

Travel insights for flights from Colorado Springs to Seattle

Get recent, data-driven insights about flights from Colorado Springs to Seattle including ideal travel times, pricing trends, and more.

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 February 14, 2025.

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 52 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 $238). Flying from Colorado Springs to Seattle in July is currently the most expensive (average of $411). 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.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 20, 2025.
Read through reviews of airlines operating flights from Colorado Springs to Seattle, such as Southwest, Delta and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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.

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

    According to our current data, Southwest ($223), United Airlines ($233), and American Airlines ($247) offers the cheapest pricing from Colorado Springs to Seattle. Southwest is currently priced 43% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Colorado Springs to Seattle one-way?

    $139 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on United Airlines and Southwest, with prices starting from $189 and $214, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Colorado Springs to Seattle 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 Colorado Springs to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Colorado Springs to Seattle (average of $238). Flying from Colorado Springs to Seattle in July is currently the most expensive (average of $411). 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
SeaTac
Tukwila
Renton
Tacoma
Lacey
Ocean Shores
Leavenworth
Olympia
Federal Way
Centralia
Marysville
Cle Elum
Mukilteo
Aberdeen
Lakewood
Issaquah
Shoreline
Lynnwood
Shelton
Silverdale

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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 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$206Average$305FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$232Average$431FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$247Average$417FlexibilityNo cancel feeOn-time69%
DeltaCheapest$278Average$534FlexibilityNo cancel feeOn-timeN/A
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