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Cheap flights from Seattle to Denver from $69

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Denver departing on 2/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:30 am - 11:15 am
SEA
-
COS
4h 45m
1 stop
Delta Logo
7:55 am - 2:44 pm
COS
-
SEA
7h 49m
1 stop
$137Delta
Wed, Feb 18 - Wed, Feb 25
Delta Logo
5:35 am - 11:12 am
SEA
-
COS
4h 37m
1 stop
Delta Logo
7:59 am - 6:39 pm
COS
-
SEA
11h 40m
2 stops
$142Delta
Wed, Apr 15 - Wed, Apr 29
Southwest Logo
5:00 am - 10:20 am
SEA
-
COS
4h 20m
1 stop
Southwest Logo
8:00 pm - 12:55 am
COS
-
SEA
5h 55m
1 stop
$151Southwest
Fri, Feb 20 - Fri, Feb 27
Southwest Logo
5:15 am - 11:20 am
SEA
-
COS
5h 05m
1 stop
Southwest Logo
5:55 am - 2:30 pm
COS
-
SEA
9h 35m
2 stops
$156Southwest
Mon, Mar 2 - Fri, Mar 6
Delta Logo
5:30 am - 11:18 am
SEA
-
COS
4h 48m
1 stop
Delta Logo
7:59 am - 3:00 pm
COS
-
SEA
8h 01m
1 stop
$167Delta
Wed, Feb 4 - Wed, Feb 11
Delta Logo
11:17 am - 10:23 pm
SEA
-
COS
10h 06m
2 stops
Delta Logo
7:59 am - 12:33 pm
COS
-
SEA
5h 34m
1 stop
$172Delta
Tue, Feb 3 - Tue, Feb 10
Southwest Logo
5:15 am - 11:20 am
SEA
-
COS
5h 05m
1 stop
Southwest Logo
5:35 am - 11:00 am
COS
-
SEA
6h 25m
1 stop
$174Southwest
Mon, Feb 9 - Thu, Feb 12
Delta Logo
5:30 am - 11:24 am
SEA
-
COS
4h 54m
1 stop
Delta Logo
7:59 am - 2:46 pm
COS
-
SEA
7h 47m
1 stop
$177Delta
Tue, Apr 7 - Tue, Apr 21
Delta Logo
11:17 am - 10:23 pm
SEA
-
COS
10h 06m
2 stops
Delta Logo
7:59 am - 6:42 pm
COS
-
SEA
11h 43m
2 stops
$178Delta
Tue, Feb 3 - Tue, Feb 10
Delta Logo
5:30 am - 11:24 am
SEA
-
COS
4h 54m
1 stop
Delta Logo
7:59 am - 6:39 pm
COS
-
SEA
11h 40m
2 stops
$182Delta
Tue, Apr 7 - Tue, Apr 21

Southwest flights from Seattle to Colorado Springs

Our best Southwest deals on Seattle to Colorado Springs flight tickets
Southwest
Feb 20
SEA5:00 amSeattle/Tacoma Intl
4h 20m
1 stop
COS10:20 amColorado Springs
Feb 27
COS8:00 pmColorado Springs
5h 55m
1 stop
SEA12:55 amSeattle/Tacoma Intl
$151
Southwest
Mar 2
SEA5:15 amSeattle/Tacoma Intl
5h 05m
1 stop
COS11:20 amColorado Springs
Mar 6
COS5:55 amColorado Springs
9h 35m
2 stops
SEA2:30 pmSeattle/Tacoma Intl
$156
Southwest
Feb 9
SEA5:15 amSeattle/Tacoma Intl
5h 05m
1 stop
COS11:20 amColorado Springs
Feb 12
COS5:35 amColorado Springs
6h 25m
1 stop
SEA11:00 amSeattle/Tacoma Intl
$174

United Airlines flights from Seattle to Colorado Springs

Our best United Airlines deals on Seattle to Colorado Springs flight tickets
United Airlines
Apr 9
SEA5:00 amSeattle/Tacoma Intl
6h 36m
1 stop
COS12:36 pmColorado Springs
Apr 14
COS1:33 pmColorado Springs
5h 27m
1 stop
SEA6:00 pmSeattle/Tacoma Intl
$236
United Airlines
Feb 4
SEA9:00 amSeattle/Tacoma Intl
8h 18m
2 stops
COS6:18 pmColorado Springs
Feb 25
COS5:59 amColorado Springs
4h 50m
1 stop
SEA9:49 amSeattle/Tacoma Intl
$252
United Airlines
Feb 4
SEA3:30 pmSeattle/Tacoma Intl
5h 36m
1 stop
COS10:06 pmColorado Springs
Feb 8
COS5:50 amColorado Springs
5h 05m
1 stop
SEA9:55 amSeattle/Tacoma Intl
$277

momondo 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, momondo users made 832,500 searches. Data last updated January 21, 2026.
Use the filters below to find and compare flights from Seattle to Colorado Springs that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Wed 2/18

5:30 am-11:15 am

1 stop4h 45m

Colorado Springs

Wed 2/25

7:55 am-2:44 pm

1 stop7h 49m

$137

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Wed 4/15

5:35 am-11:12 am

1 stop4h 37m

Colorado Springs

Wed 4/29

7:59 am-6:39 pm

2 stops11h 40m

$142

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Fri 2/20

5:00 am-10:20 am

1 stop4h 20m

Colorado Springs

Fri 2/27

8:00 pm-12:55 am

1 stop5h 55m

$151

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Mon 3/2

5:15 am-11:20 am

1 stop5h 05m

Colorado Springs

Fri 3/6

5:55 am-2:30 pm

2 stops9h 35m

$156

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Wed 2/4

5:30 am-11:18 am

1 stop4h 48m

Colorado Springs

Wed 2/11

7:59 am-3:00 pm

1 stop8h 01m

$167

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Tue 2/3

11:17 am-10:23 pm

2 stops10h 06m

Colorado Springs

Tue 2/10

7:59 am-12:33 pm

1 stop5h 34m

$172

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Mon 2/9

5:15 am-11:20 am

1 stop5h 05m

Colorado Springs

Thu 2/12

5:35 am-11:00 am

1 stop6h 25m

$174

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Tue 4/7

5:30 am-11:24 am

1 stop4h 54m

Colorado Springs

Tue 4/21

7:59 am-2:46 pm

1 stop7h 47m

$177

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Tue 2/3

11:17 am-10:23 pm

2 stops10h 06m

Colorado Springs

Tue 2/10

7:59 am-6:42 pm

2 stops11h 43m

$178

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Tue 4/7

5:30 am-11:24 am

1 stop4h 54m

Colorado Springs

Tue 4/21

7:59 am-6:39 pm

2 stops11h 40m

$182

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Denver from

How to get the cheapest flight ticket from Seattle to Colorado Springs

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Seattle and Colorado Springs?

What is the cheapest month to fly to Colorado Springs?

The month of October is another great option to travel to Colorado Springs, with average flight prices from Seattle averaging around $296.

How far in advance should I book a flight to Colorado Springs?

You are more likely to see cheaper flights to Colorado Springs from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado Springs for around $373 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado Springs from Seattle for as low as $207 on momondo.

How have Seattle to Colorado Springs flight prices changed over time?

As of January 2026, prices for Seattle to Colorado Springs flights are approximately 24% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Colorado Springs

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Colorado Springs according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Colorado Springs (SEA to COS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Colorado Springs

Fastest flight time

4h 34m

Direct flights

None
The fastest flight from Seattle to Colorado Springs takes 4h 34m
There are no direct flights from Seattle to Colorado Springs. There are no popular flight routes from Seattle to Colorado Springs.
Search flight deals

  • How far is Seattle/Tacoma Intl to Colorado Springs by plane?

    There are 1065.8 mi between Seattle/Tacoma Intl and Colorado Springs. A reasonable flight in good conditions will take 4h 34m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Colorado Springs Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Colorado Springs Airport refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Colorado Springs Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Colorado Springs Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Colorado Springs Airport.

  • What documentation or ID do you need to fly to Colorado Springs Airport?

    The necessary travel and health documents for your Colorado Springs Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Colorado Springs?

Best airlines flying from Seattle to Colorado Springs

Compare and see reviews for airlines that fly from Seattle to Colorado Springs with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $136Free CancellationRating
7.9
8,089 reviews
Search Delta flights
SouthwestPriceFrom $216Free CancellationRating
8.0
4,266 reviews
Search Southwest flights
United AirlinesPriceFrom $248Free CancellationRating
7.4
9,191 reviews
Search United Airlines flights

Traveling to a place near Denver?

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

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Colorado Springs?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Colorado Springs from Seattle.

Can I find flights from Seattle to Colorado Springs with flexible booking policies on momondo?

All flight searches from Seattle to Colorado Springs on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seattle to Colorado Springs?

Once all potential Seattle to Colorado Springs flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Seattle to Colorado Springs right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seattle to Colorado Springs flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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