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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 12/9. 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 amSEA-COS
4h 52m1 stop
Delta Logo
12:00 pm - 4:38 pmCOS-SEA
5h 38m1 stop
$137Delta
Find Deal
mié., ene. 14 - sáb., ene. 17
Delta Logo
5:25 am - 11:17 amSEA-COS
4h 52m1 stop
Delta Logo
12:00 pm - 10:24 pmCOS-SEA
11h 24m2 stops
$142Delta
Find Deal
mar., ene. 6 - lun., ene. 12
Delta Logo
10:25 am - 10:23 pmSEA-COS
10h 58m2 stops
Delta Logo
12:00 pm - 4:38 pmCOS-SEA
5h 38m1 stop
$172Delta
Find Deal
mié., ene. 14 - sáb., ene. 17
Delta Logo
12:45 pm - 10:25 pmSEA-COS
8h 40m2 stops
Delta Logo
6:00 pm - 12:20 amCOS-SEA
7h 20m1 stop
$173Delta
Find Deal
lun., dic. 8 - jue., dic. 11
Delta Logo
5:00 pm - 10:25 pmSEA-COS
4h 25m1 stop
Delta Logo
6:00 pm - 12:20 amCOS-SEA
7h 20m1 stop
$207Delta
Find Deal
jue., dic. 4 - lun., dic. 8
Delta Logo
1:40 pm - 10:25 pmSEA-COS
7h 45m1 stop
Delta Logo
5:59 pm - 12:20 amCOS-SEA
7h 21m1 stop
$217Delta
Find Deal
mié., dic. 17 - dom., dic. 21
American Airlines Logo
12:31 am - 9:47 amSEA-COS
8h 16m1 stop
American Airlines Logo
4:34 pm - 11:01 pmCOS-SEA
7h 27m1 stop
$218American Airlines
Find Deal
dom., dic. 7 - jue., dic. 11
United Airlines Logo
3:30 pm - 10:06 pmSEA-COS
5h 36m1 stop
United Airlines Logo
7:00 am - 3:44 pmCOS-SEA
9h 44m2 stops
$222United Airlines
Find Deal
mié., ene. 14 - sáb., ene. 17
Delta Logo
11:15 am - 5:19 pmSEA-COS
5h 04m1 stop
Delta Logo
12:00 pm - 4:38 pmCOS-SEA
5h 38m1 stop
$228Delta
Find Deal
sáb., dic. 6 - lun., ene. 5
Delta Logo
12:45 pm - 10:25 pmSEA-COS
8h 40m2 stops
Delta Logo
12:00 pm - 6:29 pmCOS-SEA
7h 29m1 stop
$233Delta
Find Deal
sáb., dic. 6 - lun., ene. 5

Delta flights from Seattle to Colorado Springs

Our best Delta deals on Seattle to Colorado Springs flight tickets
Delta
Jan 14
SEA5:25 amSeattle/Tacoma Intl
4h 52m
1 stop
COS11:17 amColorado Springs
Jan 17
COS12:00 pmColorado Springs
5h 38m
1 stop
SEA4:38 pmSeattle/Tacoma Intl
$137
Find similar
Delta
Jan 6
SEA5:25 amSeattle/Tacoma Intl
4h 52m
1 stop
COS11:17 amColorado Springs
Jan 12
COS12:00 pmColorado Springs
11h 24m
2 stops
SEA10:24 pmSeattle/Tacoma Intl
$142
Find similar
Delta
Jan 14
SEA10:25 amSeattle/Tacoma Intl
10h 58m
2 stops
COS10:23 pmColorado Springs
Jan 17
COS12:00 pmColorado Springs
5h 38m
1 stop
SEA4:38 pmSeattle/Tacoma Intl
$172
Find similar

American Airlines flights from Seattle to Colorado Springs

Our best American Airlines deals on Seattle to Colorado Springs flight tickets
American Airlines
Dec 7
SEA12:31 amSeattle/Tacoma Intl
8h 16m
1 stop
COS9:47 amColorado Springs
Dec 11
COS4:34 pmColorado Springs
7h 27m
1 stop
SEA11:01 pmSeattle/Tacoma Intl
$218
Find similar
American Airlines
Dec 1
SEA12:59 amSeattle/Tacoma Intl
9h 49m
1 stop
COS11:48 amColorado Springs
Dec 6
COS10:37 amColorado Springs
9h 18m
1 stop
SEA6:55 pmSeattle/Tacoma Intl
$311
Find similar
American Airlines
Mar 9
SEA1:33 amSeattle/Tacoma Intl
6h 33m
1 stop
COS9:06 amColorado Springs
Mar 12
COS5:08 pmColorado Springs
8h 41m
1 stop
SEA12:49 amSeattle/Tacoma Intl
$341
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 noviembre 19, 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

mié. 1/14

5:25 am-11:17 am

1 stop4h 52m

Colorado Springs

sáb. 1/17

12:00 pm-4:38 pm

1 stop5h 38m

$137

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

mar. 1/6

5:25 am-11:17 am

1 stop4h 52m

Colorado Springs

lun. 1/12

12:00 pm-10:24 pm

2 stops11h 24m

$142

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

mié. 1/14

10:25 am-10:23 pm

2 stops10h 58m

Colorado Springs

sáb. 1/17

12:00 pm-4:38 pm

1 stop5h 38m

$172

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

lun. 12/8

12:45 pm-10:25 pm

2 stops8h 40m

Colorado Springs

jue. 12/11

6:00 pm-12:20 am

1 stop7h 20m

$173

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

jue. 12/4

5:00 pm-10:25 pm

1 stop4h 25m

Colorado Springs

lun. 12/8

6:00 pm-12:20 am

1 stop7h 20m

$207

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

mié. 12/17

1:40 pm-10:25 pm

1 stop7h 45m

Colorado Springs

dom. 12/21

5:59 pm-12:20 am

1 stop7h 21m

$217

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

dom. 12/7

12:31 am-9:47 am

1 stop8h 16m

Colorado Springs

jue. 12/11

4:34 pm-11:01 pm

1 stop7h 27m

$218

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

mié. 1/14

3:30 pm-10:06 pm

1 stop5h 36m

Colorado Springs

sáb. 1/17

7:00 am-3:44 pm

2 stops9h 44m

$222

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

sáb. 12/6

11:15 am-5:19 pm

1 stop5h 04m

Colorado Springs

lun. 1/5

12:00 pm-4:38 pm

1 stop5h 38m

$228

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

sáb. 12/6

12:45 pm-10:25 pm

2 stops8h 40m

Colorado Springs

lun. 1/5

12:00 pm-6:29 pm

1 stop7h 29m

$233

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 August is another great option to travel to Colorado Springs, with average flight prices from Seattle averaging around $307.

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 $386 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 $284 on momondo.

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

As of November 2025, 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

Direct flights

None
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 25m.

  • 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
8,002 reviews
Search Delta flights
SouthwestPriceFrom $226Free CancellationRating
8.0
4,248 reviews
Search Southwest flights
United AirlinesPriceFrom $247Free CancellationRating
7.4
9,019 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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