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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 3/14. 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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Find the cheapest flights from Seattle to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:30 am - 11:24 am
SEA
-
COS
4h 54m
1 stop
Delta Logo
8:15 am - 2:54 pm
COS
-
SEA
7h 39m
1 stop
$137Delta
Sat, Mar 14 - Tue, Mar 17
Southwest Logo
4:25 pm - 11:35 pm
SEA
-
COS
6h 10m
1 stop
Southwest Logo
6:50 pm - 12:20 am
COS
-
SEA
6h 30m
1 stop
$151Southwest
Tue, Mar 17 - Wed, Mar 25
Delta Logo
5:30 am - 11:24 am
SEA
-
COS
4h 54m
1 stop
Delta Logo
8:15 am - 2:54 pm
COS
-
SEA
7h 39m
1 stop
$177Delta
Wed, Mar 11 - Tue, Mar 17
Delta Logo
11:45 am - 10:05 pm
SEA
-
COS
9h 20m
2 stops
Delta Logo
8:15 am - 2:54 pm
COS
-
SEA
7h 39m
1 stop
$182Delta
Wed, Mar 11 - Tue, Mar 17
Delta Logo
9:00 am - 10:05 pm
SEA
-
COS
12h 05m
2 stops
Delta Logo
8:15 am - 2:54 pm
COS
-
SEA
7h 39m
1 stop
$195Delta
Sat, Mar 14 - Tue, Mar 17
American Airlines Logo
12:59 am - 9:50 am
SEA
-
COS
7h 51m
1 stop
American Airlines Logo
1:39 pm - 9:16 pm
COS
-
SEA
8h 37m
1 stop
$217American Airlines
Wed, Mar 4 - Mon, Mar 9
Delta Logo
5:30 am - 11:24 am
SEA
-
COS
4h 54m
1 stop
Delta Logo
8:15 am - 2:54 pm
COS
-
SEA
7h 39m
1 stop
$218Delta
Sat, Mar 14 - Thu, Mar 19
United Airlines Logo
5:00 am - 12:28 pm
SEA
-
COS
6h 28m
1 stop
United Airlines Logo
3:25 pm - 11:16 pm
COS
-
SEA
8h 51m
2 stops
$222United Airlines
Thu, Mar 5 - Mon, Mar 9
Delta Logo
11:45 am - 10:05 pm
SEA
-
COS
9h 20m
2 stops
Delta Logo
8:15 am - 2:54 pm
COS
-
SEA
7h 39m
1 stop
$223Delta
Tue, Mar 17 - Wed, Mar 18
Delta Logo
9:00 am - 10:05 pm
SEA
-
COS
12h 05m
2 stops
Delta Logo
7:59 am - 2:46 pm
COS
-
SEA
7h 47m
1 stop
$226Delta
Tue, Apr 7 - Wed, Apr 22

Southwest flights from Seattle to Colorado Springs

Our best Southwest deals on Seattle to Colorado Springs flight tickets
Southwest
Mar 17
SEA4:25 pmSeattle/Tacoma Intl
6h 10m
1 stop
COS11:35 pmColorado Springs
Mar 25
COS6:50 pmColorado Springs
6h 30m
1 stop
SEA12:20 amSeattle/Tacoma Intl
$151
Southwest
Mar 23
SEA1:20 pmSeattle/Tacoma Intl
9h 35m
1 stop
COS11:55 pmColorado Springs
Mar 27
COS8:55 pmColorado Springs
5h 45m
1 stop
SEA1:40 amSeattle/Tacoma Intl
$229
Southwest
Mar 23
SEA1:20 pmSeattle/Tacoma Intl
9h 35m
1 stop
COS11:55 pmColorado Springs
Mar 27
COS5:55 amColorado Springs
9h 35m
2 stops
SEA2:30 pmSeattle/Tacoma Intl
$275

United Airlines flights from Seattle to Colorado Springs

Our best United Airlines deals on Seattle to Colorado Springs flight tickets
United Airlines
Mar 5
SEA5:00 amSeattle/Tacoma Intl
6h 28m
1 stop
COS12:28 pmColorado Springs
Mar 9
COS3:25 pmColorado Springs
8h 51m
2 stops
SEA11:16 pmSeattle/Tacoma Intl
$222
United Airlines
Aug 4
SEA3:40 pmSeattle/Tacoma Intl
5h 26m
1 stop
COS10:06 pmColorado Springs
Aug 18
COS5:13 pmColorado Springs
6h 46m
1 stop
SEA10:59 pmSeattle/Tacoma Intl
$239
United Airlines
Apr 1
SEA5:00 amSeattle/Tacoma Intl
5h 05m
1 stop
COS11:05 amColorado Springs
Apr 5
COS6:00 amColorado Springs
4h 46m
1 stop
SEA9:46 amSeattle/Tacoma Intl
$245

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 February 22, 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

Sat 3/14

5:30 am-11:24 am

1 stop4h 54m

Colorado Springs

Tue 3/17

8:15 am-2:54 pm

1 stop7h 39m

$137

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Tue 3/17

4:25 pm-11:35 pm

1 stop6h 10m

Colorado Springs

Wed 3/25

6:50 pm-12:20 am

1 stop6h 30m

$151

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Wed 3/11

5:30 am-11:24 am

1 stop4h 54m

Colorado Springs

Tue 3/17

8:15 am-2:54 pm

1 stop7h 39m

$177

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Wed 3/11

11:45 am-10:05 pm

2 stops9h 20m

Colorado Springs

Tue 3/17

8:15 am-2:54 pm

1 stop7h 39m

$182

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Sat 3/14

9:00 am-10:05 pm

2 stops12h 05m

Colorado Springs

Tue 3/17

8:15 am-2:54 pm

1 stop7h 39m

$195

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Wed 3/4

12:59 am-9:50 am

1 stop7h 51m

Colorado Springs

Mon 3/9

1:39 pm-9:16 pm

1 stop8h 37m

$217

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Sat 3/14

5:30 am-11:24 am

1 stop4h 54m

Colorado Springs

Thu 3/19

8:15 am-2:54 pm

1 stop7h 39m

$218

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Thu 3/5

5:00 am-12:28 pm

1 stop6h 28m

Colorado Springs

Mon 3/9

3:25 pm-11:16 pm

2 stops8h 51m

$222

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Tue 3/17

11:45 am-10:05 pm

2 stops9h 20m

Colorado Springs

Wed 3/18

8:15 am-2:54 pm

1 stop7h 39m

$223

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Tue 4/7

9:00 am-10:05 pm

2 stops12h 05m

Colorado Springs

Wed 4/22

7:59 am-2:46 pm

1 stop7h 47m

$226

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 $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 $365 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 February 2026, prices for Seattle to Colorado Springs flights are approximately 10% more expensive 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 45m

Direct flights

None
The fastest flight from Seattle to Colorado Springs takes 4h 45m
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 45m.

  • 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
8,240 reviews
Search Delta flights
SouthwestPriceFrom $151Free CancellationRating
8.0
4,299 reviews
Search Southwest flights
United AirlinesPriceFrom $245Free CancellationRating
7.4
9,341 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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