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Cheap flights from Seattle to Denver from $109

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 8/30. 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

Delta Logo
11:55 pm - 10:11 amSEA-COS
9h 16m1 stop
Delta Logo
5:55 pm - 12:06 amCOS-SEA
7h 11m1 stop
$217Delta
Find Deal
Tue, Aug 19 - Thu, Aug 21
Delta Logo
11:55 pm - 10:16 amSEA-COS
9h 21m1 stop
Delta Logo
5:55 pm - 10:20 pmCOS-SEA
5h 25m1 stop
$218Delta
Find Deal
Fri, Aug 29 - Sun, Aug 31
Delta Logo
12:15 pm - 10:18 pmSEA-COS
9h 03m2 stops
Delta Logo
5:55 pm - 10:20 pmCOS-SEA
5h 25m1 stop
$222Delta
Find Deal
Tue, Aug 19 - Thu, Aug 21
Southwest Logo
6:35 pm - 12:35 amSEA-COS
5h 00m1 stop
Southwest Logo
6:30 pm - 12:50 amCOS-SEA
7h 20m1 stop
$227Southwest
Find Deal
Mon, Oct 6 - Fri, Oct 10
Southwest Logo
3:05 pm - 9:45 pmSEA-COS
5h 40m1 stop
Southwest Logo
11:50 am - 7:15 pmCOS-SEA
8h 25m2 stops
$263Southwest
Find Deal
Fri, Aug 29 - Sun, Aug 31
Delta Logo
1:30 pm - 10:11 pmSEA-COS
7h 41m1 stop
Delta Logo
5:55 pm - 12:09 amCOS-SEA
7h 14m1 stop
$279Delta
Find Deal
Thu, Sep 11 - Sun, Sep 14
United Airlines Logo
2:57 pm - 9:55 pmSEA-COS
5h 58m1 stop
United Airlines Logo
6:35 pm - 10:59 pmCOS-SEA
5h 24m1 stop
$315United Airlines
Find Deal
Mon, Jul 28 - Mon, Aug 4
United Airlines Logo
2:25 pm - 9:55 pmSEA-COS
6h 30m1 stop
United Airlines Logo
6:35 pm - 10:59 pmCOS-SEA
5h 24m1 stop
$324United Airlines
Find Deal
Wed, Jul 16 - Sun, Jul 20
American Airlines Logo
11:32 pm - 9:53 amSEA-COS
9h 21m1 stop
American Airlines Logo
4:55 pm - 12:43 amCOS-SEA
8h 48m1 stop
$352American Airlines
Find Deal
Fri, Jul 25 - Tue, Jul 29
American Airlines Logo
12:58 am - 10:02 amSEA-COS
8h 04m1 stop
American Airlines Logo
12:07 pm - 11:41 pmCOS-SEA
12h 34m1 stop
$373American Airlines
Find Deal
Sun, Aug 24 - Sat, Aug 30

Delta flights from Seattle to Colorado Springs

Our best Delta deals on Seattle to Colorado Springs flight tickets
Delta
Aug 19
SEA11:55 pmSeattle/Tacoma Intl
9h 16m
1 stop
COS10:11 amColorado Springs
Aug 21
COS5:55 pmColorado Springs
7h 11m
1 stop
SEA12:06 amSeattle/Tacoma Intl
Delta
Aug 29
SEA11:55 pmSeattle/Tacoma Intl
9h 21m
1 stop
COS10:16 amColorado Springs
Aug 31
COS5:55 pmColorado Springs
5h 25m
1 stop
SEA10:20 pmSeattle/Tacoma Intl
Delta
Aug 19
SEA12:15 pmSeattle/Tacoma Intl
9h 03m
2 stops
COS10:18 pmColorado Springs
Aug 21
COS5:55 pmColorado Springs
5h 25m
1 stop
SEA10:20 pmSeattle/Tacoma Intl

Southwest flights from Seattle to Colorado Springs

Our best Southwest deals on Seattle to Colorado Springs flight tickets
Southwest
Oct 6
SEA6:35 pmSeattle/Tacoma Intl
5h 00m
1 stop
COS12:35 amColorado Springs
Oct 10
COS6:30 pmColorado Springs
7h 20m
1 stop
SEA12:50 amSeattle/Tacoma Intl
Southwest
Aug 29
SEA3:05 pmSeattle/Tacoma Intl
5h 40m
1 stop
COS9:45 pmColorado Springs
Aug 31
COS11:50 amColorado Springs
8h 25m
2 stops
SEA7:15 pmSeattle/Tacoma Intl
Southwest
Oct 6
SEA9:35 amSeattle/Tacoma Intl
8h 50m
2 stops
COS7:25 pmColorado Springs
Oct 10
COS6:15 pmColorado Springs
7h 10m
1 stop
SEA12:25 amSeattle/Tacoma Intl

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 February is another great option to travel to Colorado Springs, with average flight prices from Seattle averaging around $344.

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 $391 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 July 2025, prices for Seattle to Colorado Springs flights are approximately 22% 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

$109

Fastest flight time

4h 13m

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 $109. The best round-trip flight deal from Seattle to Colorado Springs found on momondo in the last 72 hours is $217.
The fastest flight from Seattle to Colorado Springs takes 4h 13m
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)

  • 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 13m.

  • 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
7,983 reviews
Search Delta flights
American AirlinesPriceFrom $169Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $226Free CancellationRating
8.0
4,272 reviews
Search Southwest flights
United AirlinesPriceFrom $248Free CancellationRating
7.4
8,861 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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1 adult
Mon 7/7
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