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Cheap flights from Seattle to Denver from $79

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 4/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:35 am - 11:12 am
SEA
-
COS
4h 37m
1 stop
Delta Logo
7:59 am - 2:46 pm
COS
-
SEA
7h 47m
1 stop
$157Delta
Thu, Apr 16 - Wed, Apr 22
American Airlines Logo
6:00 am - 4:23 pm
SEA
-
COS
9h 23m
1 stop
American Airlines Logo
1:39 pm - 10:47 pm
COS
-
SEA
10h 08m
1 stop
$159American Airlines
Tue, Apr 14 - Tue, Apr 21
Southwest Logo
5:35 pm - 11:50 pm
SEA
-
COS
5h 15m
1 stop
Southwest Logo
4:45 pm - 11:55 pm
COS
-
SEA
8h 10m
2 stops
$162Southwest
Thu, Apr 16 - Wed, Apr 22
Southwest Logo
9:40 am - 7:25 pm
SEA
-
COS
8h 45m
2 stops
Southwest Logo
4:45 pm - 11:55 pm
COS
-
SEA
8h 10m
2 stops
$167Southwest
Thu, Apr 16 - Wed, Apr 22
United Airlines Logo
3:48 pm - 9:57 pm
SEA
-
COS
5h 09m
1 stop
United Airlines Logo
1:33 pm - 11:27 pm
COS
-
SEA
10h 54m
2 stops
$222United Airlines
Tue, Apr 14 - Tue, Apr 21
Delta Logo
4:36 pm - 10:13 pm
SEA
-
COS
4h 37m
1 stop
Delta Logo
7:59 am - 7:01 pm
COS
-
SEA
12h 02m
2 stops
$226Delta
Tue, Apr 14 - Sat, Apr 18
Delta Logo
1:32 pm - 10:05 pm
SEA
-
COS
7h 33m
1 stop
Delta Logo
8:15 am - 2:54 pm
COS
-
SEA
7h 39m
1 stop
$229Delta
Wed, Apr 1 - Wed, Apr 8
Southwest Logo
5:35 pm - 11:50 pm
SEA
-
COS
5h 15m
1 stop
Southwest Logo
5:20 pm - 11:30 pm
COS
-
SEA
7h 10m
1 stop
$236Southwest
Thu, Apr 16 - Mon, Apr 20
Southwest Logo
9:40 am - 7:25 pm
SEA
-
COS
8h 45m
2 stops
Southwest Logo
7:20 pm - 12:55 am
COS
-
SEA
6h 35m
1 stop
$241Southwest
Thu, Apr 16 - Mon, Apr 20
Southwest Logo
5:30 am - 4:10 pm
SEA
-
COS
9h 40m
2 stops
Southwest Logo
7:05 am - 1:25 pm
COS
-
SEA
7h 20m
2 stops
$246Southwest
Tue, Apr 14 - Tue, Apr 21

American Airlines flights from Seattle to Colorado Springs

Our best American Airlines deals on Seattle to Colorado Springs flight tickets
American Airlines
Apr 14
SEA6:00 amSeattle/Tacoma Intl
9h 23m
1 stop
COS4:23 pmColorado Springs
Apr 21
COS1:39 pmColorado Springs
10h 08m
1 stop
SEA10:47 pmSeattle/Tacoma Intl
$159
American Airlines
Apr 21
SEA7:09 amSeattle/Tacoma Intl
8h 14m
1 stop
COS4:23 pmColorado Springs
Apr 24
COS5:13 pmColorado Springs
8h 31m
1 stop
SEA12:44 amSeattle/Tacoma Intl
$257
American Airlines
Apr 1
SEA1:54 pmSeattle/Tacoma Intl
9h 05m
1 stop
COS11:59 pmColorado Springs
Apr 8
COS1:39 pmColorado Springs
10h 08m
1 stop
SEA10:47 pmSeattle/Tacoma Intl
$268

United Airlines flights from Seattle to Colorado Springs

Our best United Airlines deals on Seattle to Colorado Springs flight tickets
United Airlines
Apr 14
SEA3:48 pmSeattle/Tacoma Intl
5h 09m
1 stop
COS9:57 pmColorado Springs
Apr 21
COS1:33 pmColorado Springs
10h 54m
2 stops
SEA11:27 pmSeattle/Tacoma Intl
$222
United Airlines
Apr 13
SEA5:00 amSeattle/Tacoma Intl
5h 05m
1 stop
COS11:05 amColorado Springs
Apr 15
COS1:33 pmColorado Springs
9h 06m
2 stops
SEA9:39 pmSeattle/Tacoma Intl
$284
United Airlines
Apr 28
SEA5:00 amSeattle/Tacoma Intl
5h 05m
1 stop
COS11:05 amColorado Springs
Apr 29
COS10:28 amColorado Springs
10h 17m
2 stops
SEA7:45 pmSeattle/Tacoma Intl
$302

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 March 18, 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

Cheapest round-trip
Quickest round-trip

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Thu 4/16

5:35 am-11:12 am

1 stop4h 37m

Colorado Springs

Wed 4/22

7:59 am-2:46 pm

1 stop7h 47m

$157

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Tue 4/14

6:00 am-4:23 pm

1 stop9h 23m

Colorado Springs

Tue 4/21

1:39 pm-10:47 pm

1 stop10h 08m

$159

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Thu 4/16

5:35 pm-11:50 pm

1 stop5h 15m

Colorado Springs

Wed 4/22

4:45 pm-11:55 pm

2 stops8h 10m

$162

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Thu 4/16

9:40 am-7:25 pm

2 stops8h 45m

Colorado Springs

Wed 4/22

4:45 pm-11:55 pm

2 stops8h 10m

$167

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Tue 4/14

3:48 pm-9:57 pm

1 stop5h 09m

Colorado Springs

Tue 4/21

1:33 pm-11:27 pm

2 stops10h 54m

$222

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Tue 4/14

4:36 pm-10:13 pm

1 stop4h 37m

Colorado Springs

Sat 4/18

7:59 am-7:01 pm

2 stops12h 02m

$226

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Wed 4/1

1:32 pm-10:05 pm

1 stop7h 33m

Colorado Springs

Wed 4/8

8:15 am-2:54 pm

1 stop7h 39m

$229

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Thu 4/16

5:35 pm-11:50 pm

1 stop5h 15m

Colorado Springs

Mon 4/20

5:20 pm-11:30 pm

1 stop7h 10m

$236

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Thu 4/16

9:40 am-7:25 pm

2 stops8h 45m

Colorado Springs

Mon 4/20

7:20 pm-12:55 am

1 stop6h 35m

$241

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Tue 4/14

5:30 am-4:10 pm

2 stops9h 40m

Colorado Springs

Tue 4/21

7:05 am-1:25 pm

2 stops7h 20m

$246

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 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 $287.

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 $361 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 March 2026, prices for Seattle to Colorado Springs flights are approximately 1% 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 22m

Direct flights

None
The fastest flight from Seattle to Colorado Springs takes 4h 22m
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 22m.

  • 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
8,288 reviews
Search Delta flights
SouthwestPriceFrom $151Free CancellationRating
8.0
4,320 reviews
Search Southwest flights
United AirlinesPriceFrom $243Free CancellationRating
7.4
9,435 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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