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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 1/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:25 am - 11:17 am
SEA
-
COS
4h 52m1 stop
Delta Logo
12:00 pm - 6:29 pm
COS
-
SEA
7h 29m1 stop
$137Delta
Wed, Jan 7 - Wed, Jan 14
Delta Logo
5:25 am - 11:17 am
SEA
-
COS
4h 52m1 stop
Delta Logo
12:00 pm - 10:24 pm
COS
-
SEA
11h 24m2 stops
$142Delta
Wed, Jan 7 - Wed, Jan 14
Southwest Logo
9:35 am - 5:30 pm
SEA
-
COS
6h 55m1 stop
Southwest Logo
6:00 am - 10:20 am
COS
-
SEA
5h 20m1 stop
$151Southwest
Thu, Feb 26 - Sun, Mar 1
American Airlines Logo
6:00 am - 2:09 pm
SEA
-
COS
7h 09m1 stop
American Airlines Logo
6:12 am - 3:34 pm
COS
-
SEA
10h 22m1 stop
$159American Airlines
Thu, Jan 8 - Wed, Jan 14
Delta Logo
10:25 am - 10:23 pm
SEA
-
COS
10h 58m2 stops
Delta Logo
12:00 pm - 6:29 pm
COS
-
SEA
7h 29m1 stop
$183Delta
Sun, Jan 11 - Fri, Jan 16
Delta Logo
1:30 pm - 10:23 pm
SEA
-
COS
7h 53m2 stops
Delta Logo
12:00 pm - 10:24 pm
COS
-
SEA
11h 24m2 stops
$188Delta
Thu, Jan 8 - Sat, Jan 17
Delta Logo
5:25 am - 11:17 am
SEA
-
COS
4h 52m1 stop
Delta Logo
12:00 pm - 4:38 pm
COS
-
SEA
5h 38m1 stop
$198Delta
Thu, Jan 8 - Sat, Jan 17
Delta Logo
1:30 pm - 10:23 pm
SEA
-
COS
7h 53m2 stops
Delta Logo
12:00 pm - 4:38 pm
COS
-
SEA
5h 38m1 stop
$203Delta
Thu, Jan 8 - Sat, Jan 17
Delta Logo
1:30 pm - 10:23 pm
SEA
-
COS
7h 53m2 stops
Delta Logo
12:00 pm - 10:24 pm
COS
-
SEA
11h 24m2 stops
$208Delta
Thu, Jan 8 - Sat, Jan 17
United Airlines Logo
12:35 pm - 10:06 pm
SEA
-
COS
8h 31m2 stops
United Airlines Logo
3:30 pm - 9:15 pm
COS
-
SEA
6h 45m1 stop
$224United Airlines
Sat, Jan 17 - Tue, Jan 20

Southwest flights from Seattle to Colorado Springs

Our best Southwest deals on Seattle to Colorado Springs flight tickets
Southwest
Feb 26
SEA9:35 amSeattle/Tacoma Intl
6h 55m
1 stop
COS5:30 pmColorado Springs
Mar 1
COS6:00 amColorado Springs
5h 20m
1 stop
SEA10:20 amSeattle/Tacoma Intl
$151
Find similar
Southwest
Feb 26
SEA6:30 amSeattle/Tacoma Intl
10h 00m
2 stops
COS5:30 pmColorado Springs
Mar 1
COS6:00 amColorado Springs
5h 20m
1 stop
SEA10:20 amSeattle/Tacoma Intl
$236
Find similar
Southwest
Feb 17
SEA5:15 amSeattle/Tacoma Intl
5h 05m
1 stop
COS11:20 amColorado Springs
Feb 20
COS6:10 pmColorado Springs
7h 45m
2 stops
SEA12:55 amSeattle/Tacoma Intl
$279
Find similar

Delta flights from Seattle to Colorado Springs

Our best Delta deals on Seattle to Colorado Springs flight tickets
Delta
Jan 7
SEA5:25 amSeattle/Tacoma Intl
4h 52m
1 stop
COS11:17 amColorado Springs
Jan 14
COS12:00 pmColorado Springs
7h 29m
1 stop
SEA6:29 pmSeattle/Tacoma Intl
$137
Find similar
Delta
Jan 7
SEA5:25 amSeattle/Tacoma Intl
4h 52m
1 stop
COS11:17 amColorado Springs
Jan 14
COS12:00 pmColorado Springs
11h 24m
2 stops
SEA10:24 pmSeattle/Tacoma Intl
$142
Find similar
Delta
Jan 11
SEA10:25 amSeattle/Tacoma Intl
10h 58m
2 stops
COS10:23 pmColorado Springs
Jan 16
COS12:00 pmColorado Springs
7h 29m
1 stop
SEA6:29 pmSeattle/Tacoma Intl
$183
Find similar

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 December 10, 2025.
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 1/7

5:25 am-11:17 am

1 stop4h 52m

Colorado Springs

Wed 1/14

12:00 pm-6:29 pm

1 stop7h 29m

$137

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Wed 1/7

5:25 am-11:17 am

1 stop4h 52m

Colorado Springs

Wed 1/14

12:00 pm-10:24 pm

2 stops11h 24m

$142

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Thu 2/26

9:35 am-5:30 pm

1 stop6h 55m

Colorado Springs

Sun 3/1

6:00 am-10:20 am

1 stop5h 20m

$151

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Thu 1/8

6:00 am-2:09 pm

1 stop7h 09m

Colorado Springs

Wed 1/14

6:12 am-3:34 pm

1 stop10h 22m

$159

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Sun 1/11

10:25 am-10:23 pm

2 stops10h 58m

Colorado Springs

Fri 1/16

12:00 pm-6:29 pm

1 stop7h 29m

$183

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Thu 1/8

1:30 pm-10:23 pm

2 stops7h 53m

Colorado Springs

Sat 1/17

12:00 pm-10:24 pm

2 stops11h 24m

$188

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Thu 1/8

5:25 am-11:17 am

1 stop4h 52m

Colorado Springs

Sat 1/17

12:00 pm-4:38 pm

1 stop5h 38m

$198

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Thu 1/8

1:30 pm-10:23 pm

2 stops7h 53m

Colorado Springs

Sat 1/17

12:00 pm-4:38 pm

1 stop5h 38m

$203

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Thu 1/8

1:30 pm-10:23 pm

2 stops7h 53m

Colorado Springs

Sat 1/17

12:00 pm-10:24 pm

2 stops11h 24m

$208

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Sat 1/17

12:35 pm-10:06 pm

2 stops8h 31m

Colorado Springs

Tue 1/20

3:30 pm-9:15 pm

1 stop6h 45m

$224

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 $296.

What is the cheapest day to depart on your flight to Colorado Springs?

The cheapest day to depart from Seattle to Colorado Springs is on a Wednesday when prices can be found for as low as $337. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Colorado Springs for around $516.

What is the cheapest time of day to depart on your flight to Colorado Springs?

Flying to Colorado Springs from Seattle in the evening is the least expensive time of day to depart. momondo users have found prices as low as $316 when looking at flights departing in the evening. Flights to Colorado Springs are more costly at noon, with an average ticket price of $395. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $376 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 $255 on momondo.

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

As of December 2025, prices for Seattle to Colorado Springs flights are approximately 46% 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 28m

Direct flights

None
The fastest flight from Seattle to Colorado Springs takes 4h 28m
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 28m.

  • 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 $156Free CancellationRating
7.9
8,007 reviews
Search Delta flights
SouthwestPriceFrom $226Free CancellationRating
7.9
4,252 reviews
Search Southwest flights
United AirlinesPriceFrom $249Free CancellationRating
7.4
9,092 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.

An easier way to manage your Colorado Springs trip

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