Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Denver from $88

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 10/8. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Seattle to Denver (SEA-COS)

Cheap round-trip flights

Delta Logo
4:55 pm - 10:08 pmSEA-COS
4h 13m1 stop
Delta Logo
8:00 am - 3:08 pmCOS-SEA
8h 08m1 stop
$175Delta
Find Deal
Tue, Dec 30 - Tue, Jan 13
Delta Logo
7:15 am - 5:15 pmSEA-COS
9h 00m2 stops
Delta Logo
5:49 pm - 10:22 pmCOS-SEA
5h 33m1 stop
$180Delta
Find Deal
Tue, Sep 30 - Tue, Oct 7
Southwest Logo
5:15 am - 10:40 amSEA-COS
4h 25m1 stop
Southwest Logo
5:00 pm - 10:30 pmCOS-SEA
6h 30m1 stop
$187Southwest
Find Deal
Wed, Sep 17 - Sat, Sep 20
Southwest Logo
12:10 pm - 10:00 pmSEA-COS
8h 50m1 stop
Southwest Logo
5:30 am - 1:10 pmCOS-SEA
8h 40m1 stop
$192Southwest
Find Deal
Tue, Sep 23 - Mon, Sep 29
Southwest Logo
10:05 am - 8:40 pmSEA-COS
9h 35m2 stops
Southwest Logo
11:35 am - 7:15 pmCOS-SEA
8h 40m2 stops
$197Southwest
Find Deal
Sat, Oct 4 - Tue, Oct 7
American Airlines Logo
3:43 pm - 11:44 pmSEA-COS
7h 01m1 stop
American Airlines Logo
12:04 pm - 7:29 pmCOS-SEA
8h 25m1 stop
$199American Airlines
Find Deal
Mon, Oct 27 - Fri, Oct 31
Delta Logo
12:45 pm - 10:11 pmSEA-COS
8h 26m2 stops
Delta Logo
5:55 pm - 9:58 pmCOS-SEA
5h 03m1 stop
$204Delta
Find Deal
Wed, Sep 17 - Sat, Sep 20
United Airlines Logo
3:36 pm - 9:54 pmSEA-COS
5h 18m1 stop
United Airlines Logo
5:10 pm - 9:22 pmCOS-SEA
5h 12m1 stop
$252United Airlines
Find Deal
Wed, Sep 17 - Sat, Sep 20
American Airlines Logo
12:59 am - 11:45 amSEA-COS
9h 46m1 stop
American Airlines Logo
5:17 pm - 11:24 pmCOS-SEA
7h 07m1 stop
$256American Airlines
Find Deal
Thu, Nov 13 - Tue, Nov 18
United Airlines Logo
3:35 pm - 11:52 pmSEA-COS
7h 17m1 stop
United Airlines Logo
6:20 pm - 11:29 pmCOS-SEA
6h 09m1 stop
$266United Airlines
Find Deal
Fri, Oct 3 - Sun, Oct 5

American Airlines flights from Seattle to Colorado Springs

Our best American Airlines deals on Seattle to Colorado Springs flight tickets
American Airlines
Oct 27
SEA3:43 pmSeattle/Tacoma Intl
7h 01m
1 stop
COS11:44 pmColorado Springs
Oct 31
COS12:04 pmColorado Springs
8h 25m
1 stop
SEA7:29 pmSeattle/Tacoma Intl
$199
Find similar
American Airlines
Nov 13
SEA12:59 amSeattle/Tacoma Intl
9h 46m
1 stop
COS11:45 amColorado Springs
Nov 18
COS5:17 pmColorado Springs
7h 07m
1 stop
SEA11:24 pmSeattle/Tacoma Intl
$256
Find similar
American Airlines
Oct 5
SEA12:30 amSeattle/Tacoma Intl
8h 17m
1 stop
COS9:47 amColorado Springs
Oct 10
COS4:54 pmColorado Springs
7h 05m
1 stop
SEA10:59 pmSeattle/Tacoma Intl
$264
Find similar

United Airlines flights from Seattle to Colorado Springs

Our best United Airlines deals on Seattle to Colorado Springs flight tickets
United Airlines
Sep 17
SEA3:36 pmSeattle/Tacoma Intl
5h 18m
1 stop
COS9:54 pmColorado Springs
Sep 20
COS5:10 pmColorado Springs
5h 12m
1 stop
SEA9:22 pmSeattle/Tacoma Intl
$252
Find similar
United Airlines
Oct 3
SEA3:35 pmSeattle/Tacoma Intl
7h 17m
1 stop
COS11:52 pmColorado Springs
Oct 5
COS6:20 pmColorado Springs
6h 09m
1 stop
SEA11:29 pmSeattle/Tacoma Intl
$266
Find similar
United Airlines
Oct 3
SEA3:28 pmSeattle/Tacoma Intl
7h 24m
2 stops
COS11:52 pmColorado Springs
Oct 5
COS6:20 pmColorado Springs
6h 09m
1 stop
SEA11:29 pmSeattle/Tacoma Intl
$271
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 August 14, 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

Tue 12/30

4:55 pm-10:08 pm

1 stop4h 13m

Colorado Springs

Tue 1/13

8:00 am-3:08 pm

1 stop8h 08m

$175

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Tue 9/30

7:15 am-5:15 pm

2 stops9h 00m

Colorado Springs

Tue 10/7

5:49 pm-10:22 pm

1 stop5h 33m

$180

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Wed 9/17

5:15 am-10:40 am

1 stop4h 25m

Colorado Springs

Sat 9/20

5:00 pm-10:30 pm

1 stop6h 30m

$187

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Tue 9/23

12:10 pm-10:00 pm

1 stop8h 50m

Colorado Springs

Mon 9/29

5:30 am-1:10 pm

1 stop8h 40m

$192

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Sat 10/4

10:05 am-8:40 pm

2 stops9h 35m

Colorado Springs

Tue 10/7

11:35 am-7:15 pm

2 stops8h 40m

$197

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Mon 10/27

3:43 pm-11:44 pm

1 stop7h 01m

Colorado Springs

Fri 10/31

12:04 pm-7:29 pm

1 stop8h 25m

$199

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Wed 9/17

12:45 pm-10:11 pm

2 stops8h 26m

Colorado Springs

Sat 9/20

5:55 pm-9:58 pm

1 stop5h 03m

$204

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Wed 9/17

3:36 pm-9:54 pm

1 stop5h 18m

Colorado Springs

Sat 9/20

5:10 pm-9:22 pm

1 stop5h 12m

$252

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Thu 11/13

12:59 am-11:45 am

1 stop9h 46m

Colorado Springs

Tue 11/18

5:17 pm-11:24 pm

1 stop7h 07m

$256

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Fri 10/3

3:35 pm-11:52 pm

1 stop7h 17m

Colorado Springs

Sun 10/5

6:20 pm-11:29 pm

1 stop6h 09m

$266

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 August is another great option to travel to Colorado Springs, with average flight prices from Seattle averaging around $336.

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 $388 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 $217 on momondo.

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

As of August 2025, prices for Seattle to Colorado Springs flights are approximately 20% 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

Best Price Found

$88

Fastest flight time

4h 10m

Direct flights

None

Airports in Colorado Springs

1 airport
The best one-way flight to Colorado Springs from Seattle in the past 72 hours is $88. The best round-trip flight deal from Seattle to Colorado Springs found on momondo in the last 72 hours is $175.
The fastest flight from Seattle to Colorado Springs takes 4h 10m
There are no direct flights from Seattle to Colorado Springs. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Colorado Springs Airport.
There is 1 airport near Colorado Springs: Colorado Springs (COS)
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 10m.

  • 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 $108Free CancellationRating
8.0
7,980 reviews
Search Delta flights
American AirlinesPriceFrom $169Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $226Free CancellationRating
8.0
4,244 reviews
Search Southwest flights
United AirlinesPriceFrom $247Free CancellationRating
7.4
8,916 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 8/19
Tue 8/26
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States