How long is the flight from Colorado Springs to Seattle?

Departing from Colorado Springs to Seattle will take you 7h 29m. Colorado Springs and Seattle are separated by a distance of 1065 mi.

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

According to our current data, Delta ($133), American Airlines ($186), and Southwest ($207) offers the cheapest pricing from Colorado Springs to Seattle. Delta is currently priced 62% below the average price you’ll pay for this route.

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

$69 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Southwest and United Airlines, with prices starting from $87 and $108, respectively.

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.

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).

What are the most popular airlines that fly from Colorado Springs to Seattle?

United Airlines, Southwest and Delta are the most popular airlines when flying from Colorado Springs to Seattle.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado Springs to Seattle as you normally would.

Most accurate provider : When it comes to deals on Colorado Springs-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Colorado Springs-Seattle flight deals on Cheapflights vs. eDreams >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 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 Colorado Springs-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$69+ Flights from Colorado Springs to Seattle

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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

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Cheapflights Tip: The best prices from Colorado Springs to Seattle/Tacoma Intl are usually found in January or October, booked 19 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap 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 December 18, 2025.

Wed 12/316:05 pmCOS - SEA

1 stop5h 50mSouthwest

Fri 1/26:15 amSEA - COS

1 stop9h 35mSouthwest

Deal found 12/17

$448

Sat 12/206:23 pmCOS - SEA

1 stop5h 49mUnited Airlines

Tue 12/303:50 pmSEA - COS

1 stop7h 09mUnited Airlines

Deal found 12/16

$483

Fri 12/195:45 amCOS - SEA

1 stop5h 11mUnited Airlines

Fri 1/28:57 amSEA - COS

1 stop5h 00mUnited Airlines

Deal found 12/17

$497

Best flights from Colorado Springs to Seattle
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 December 18, 2025.

Thu 1/812:00 pmCOS - SEA

1 stop7h 29mDelta

Mon 1/125:25 amSEA - COS

1 stop4h 52mDelta

Deal found 12/15

$137

Sun 1/116:10 pmCOS - SEA

1 stop6h 05mSouthwest

Tue 1/138:45 amSEA - COS

1 stop7h 20mSouthwest

Deal found 12/14

$225

Fri 1/912:00 pmCOS - SEA

1 stop7h 29mDelta

Mon 1/125:25 amSEA - COS

1 stop4h 52mDelta

Deal found 12/16

$137

Wed 1/712:00 pmCOS - SEA

1 stop5h 38mDelta

Wed 1/145:25 amSEA - COS

1 stop4h 52mDelta

Deal found 12/16

$137

Tue 1/2012:00 pmCOS - SEA

1 stop5h 55mDelta

Sat 2/75:00 amSEA - COS

1 stop5h 18mDelta

Deal found 12/16

$168

Fri 1/167:59 amCOS - SEA

2 stops9h 59mDelta

Mon 1/195:25 amSEA - COS

1 stop4h 52mDelta

Deal found 12/17

$204

Sun 1/1112:00 pmCOS - SEA

1 stop7h 29mDelta

Tue 1/135:25 amSEA - COS

1 stop4h 52mDelta

Deal found 12/15

$228

Last-minute flights from Colorado Springs to Seattle
Discover last-minute flight deals from Colorado Springs to Seattle. Data last updated December 18, 2025 and is based on user searches.

Wed 1/712:00 pmCOS - SEA

1 stop5h 38mDelta

Wed 1/145:25 amSEA - COS

1 stop4h 52mDelta

Deal found 12/16

$137

Thu 1/812:00 pmCOS - SEA

1 stop7h 29mDelta

Mon 1/125:25 amSEA - COS

1 stop4h 52mDelta

Deal found 12/16

$167

Sun 1/116:10 pmCOS - SEA

1 stop6h 05mSouthwest

Tue 1/138:45 amSEA - COS

1 stop7h 20mSouthwest

Deal found 12/14

$225

Sun 1/1112:00 pmCOS - SEA

1 stop7h 29mDelta

Tue 1/135:25 amSEA - COS

1 stop4h 52mDelta

Deal found 12/15

$228

Fri 1/1612:00 pmCOS - SEA

1 stop7h 29mDelta

Mon 1/195:25 amSEA - COS

1 stop4h 52mDelta

Deal found 12/17

$199

Sun 1/1812:00 pmCOS - SEA

1 stop5h 38mDelta

Tue 1/204:55 pmSEA - COS

1 stop4h 28mDelta

Deal found 12/17

$168

One-way flights from Colorado Springs to Seattle
Search for one-way flight options from Colorado Springs to Seattle. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Sat 1/1012:00 pmCOS - SEA

1 stop5h 40mDelta

Deal found 12/17

$69

Sat 1/1011:33 amCOS - SEA

2 stops7h 55mUnited Airlines

Deal found 12/17

$114

Mon 2/235:40 pmCOS - SEA

1 stop7h 00mSouthwest

Deal found 12/16

$150

Mon 2/231:40 pmCOS - SEA

2 stops10h 50mUnited Airlines

Deal found 12/15

$245

Find flight deals from Colorado Springs to Seattle

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	January
Average price	$476

Provider with most accurate pricing for Colorado Springs-Seattle/Tacoma Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Colorado Springs-Seattle/Tacoma Intl flights.

Search Deals

From Colorado Springs to Seattle/Tacoma Intl

Search Deals

One-way flight from Colorado Springs to Seattle/Tacoma Intl

Search Deals

High demand for flights, 3% potential price rise

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Price

Colorado SpringsSeattle

COS - SEA

COSSEA

Colorado Springs

Thu 1/8

12:00 pm-6:29 pm

1 stop7h 29m

Seattle/Tacoma Intl

Mon 1/12

5:25 am-11:17 am

1 stop4h 52m

$137

Colorado SpringsSeattle

COS - SEA

COSSEA

Colorado Springs

Fri 1/9

12:00 pm-6:29 pm

1 stop7h 29m

Seattle/Tacoma Intl

Mon 1/12

5:25 am-11:17 am

1 stop4h 52m

$137

Colorado SpringsSeattle

COS - SEA

COSSEA

Colorado Springs

Wed 1/7

12:00 pm-4:38 pm

1 stop5h 38m

Seattle/Tacoma Intl

Wed 1/14

5:25 am-11:17 am

1 stop4h 52m

$137

Colorado SpringsSeattle

COS - SEA

COSSEA

Colorado Springs

Tue 1/20

12:00 pm-4:55 pm

1 stop5h 55m

Seattle/Tacoma Intl

Sat 2/7

5:00 am-11:18 am

1 stop5h 18m

$168

Colorado SpringsSeattle

COS - SEA

COSSEA

Colorado Springs

Fri 1/16

7:59 am-4:58 pm

2 stops9h 59m

Seattle/Tacoma Intl

Mon 1/19

5:25 am-11:17 am

1 stop4h 52m

$204

Colorado SpringsSeattle

COS - SEA

COSSEA

Colorado Springs

Sun 1/11

6:10 pm-11:15 pm

1 stop6h 05m

Seattle/Tacoma Intl

Tue 1/13

8:45 am-5:05 pm

1 stop7h 20m

$225

Colorado SpringsSeattle

COS - SEA

COSSEA

Colorado Springs

Sun 1/11

12:00 pm-6:29 pm

1 stop7h 29m

Seattle/Tacoma Intl

Tue 1/13

5:25 am-11:17 am

1 stop4h 52m

$228

Colorado SpringsSeattle

COS - SEA

COSSEA

Colorado Springs

Sat 1/10

12:00 pm-4:40 pm

1 stop5h 40m

$69

Colorado SpringsSeattle

COS - SEA

COSSEA

Colorado Springs

Sat 1/10

11:33 am-6:28 pm

2 stops7h 55m

$114

Colorado SpringsSeattle

COS - SEA

COSSEA

Colorado Springs

Mon 2/23

5:40 pm-11:40 pm

1 stop7h 00m

$150

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 11 results

Compare providers for flights from Colorado Springs to Seattle

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 December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Colorado Springs-Seattle flight deals on Cheapflights vs. eDreams >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 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 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.

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 19 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 $48). Flying from Colorado Springs to Seattle in July is currently the most expensive (average of $118). 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

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.

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

7.9

Good

4,250 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Delta

7.9

Good

8,005 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

United Airlines

7.4

Good

9,091 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

American Airlines

7.2

Good

11,054 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

How long is the flight from Colorado Springs to Seattle?
Departing from Colorado Springs to Seattle will take you 7h 29m. Colorado Springs and Seattle are separated by a distance of 1065 mi.
What are the cheapest airlines flying from Colorado Springs to Seattle round-trip?
According to our current data, Delta ($133), American Airlines ($186), and Southwest ($207) offers the cheapest pricing from Colorado Springs to Seattle. Delta is currently priced 62% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Colorado Springs to Seattle one-way?
$69 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Southwest and United Airlines, with prices starting from $87 and $108, 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, February is the cheapest month in which you can book a flight from Colorado Springs to Seattle (average of $48). Flying from Colorado Springs to Seattle in July is currently the most expensive (average of $118). 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

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Other flights to Seattle

Top 4 airlines flying from Colorado Springs to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$156	Average$337	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$186	Average$221	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$207	Average$384	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$216	Average$378	FlexibilityNo cancel fee	On-time69%

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$69+ 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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Colorado Springs to Seattle with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Colorado Springs to Seattle/Tacoma Intl are usually found in January or October, booked 19 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap flight deals from Colorado Springs to Seattle

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 December 18, 2025.

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 December 18, 2025.

Find flight deals from Colorado Springs to Seattle

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Colorado Springs to Seattle that are best for you.

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 December.

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.

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?

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

Reviews of airlines servicing Seattle

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.

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.

How long is the flight from Colorado Springs to Seattle?

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

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

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

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

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

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

Traveling to a place near Seattle?

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Alternative routes for Colorado Springs to Seattle

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Top 4 airlines flying from Colorado Springs to Seattle

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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 December 18, 2025.