$68 Flights from Seattle / Tacoma International (SEA) to Colorado Springs Peterson Field (COS)

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Flight deals from Seattle / Tacoma International to Colorado Springs Peterson Field

Looking for a cheap last-minute deal or the best round-trip flight from Seattle / Tacoma International to Colorado Springs Peterson Field? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Seattle / Tacoma International to Colorado Springs Peterson Field

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle / Tacoma International to Colorado Springs Peterson Field flights are currently cheapest in January.

Seattle / Tacoma International to Colorado Springs Peterson Field: Alternative routes

Compare routes from Seattle / Tacoma International to Colorado Springs below. You may find an airport to fly into that's cheaper, faster, or easier than Colorado Springs Peterson Field.

Seattle to Colorado Springs: Flight information

The things to know before you go.
Cheapest flight found$68
Cheapest month to flyMarch

Finding cheap flights from Seattle / Tacoma International to Colorado Springs Peterson Field: Frequently asked questions

The best price we found for a round-trip flight from Seattle / Tacoma International to Colorado Springs Peterson Field is $136. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Seattle / Tacoma International to Colorado Springs Peterson Field. But we found flights with one or more stops from $136.
There are no flights flying from Seattle / Tacoma International to Colorado Springs Peterson Field, as of December 2025.
The cheapest month to fly from Seattle / Tacoma International to Colorado Springs Peterson Field is usually January.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Seattle / Tacoma International Airport to Colorado Springs Peterson Field Airport on Saturday, January 31, 2026.
No airlines currently offer direct flights between Seattle / Tacoma International Airport and Colorado Springs Peterson Field Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Colorado Springs Peterson Field but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Colorado Springs is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to Colorado Springs Peterson Field.

Traveling from Seattle-Tacoma International Airport (SEA) to Colorado Springs Municipal Airport (COS): what you need to know

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Be at the airport with enough time to board your SEA to COS flight.

  • During popular months such as July, it's a good idea to get to the airport earlier than usual. Arrive two hours before a domestic departure and four hours ahead for international flights when you fly during a high season in general.

  • If you want to explore another city along the way, just uncheck 'Direct flights only' when searching for your ticket from Seattle-Tacoma International Airport to Colorado Springs Municipal Airport. These are the most popular stopovers between SEA and COS:

    • Denver International Airport

    • Salt Lake City International Airport

    • Harry Reid Airport (formerly McCarran Airport)

How to find the cheapest flights from Seattle-Tacoma International Airport (SEA) to Colorado Springs Municipal Airport (COS)

  • $68 is currently the lowest price for a one-way Seattle-Tacoma International Airport to Colorado Springs Municipal Airport flight. Return flights start from $136. These prices can change based on demand and availability.

  • It's a good idea to book ahead of time if you're hoping to get cheap tickets from SEA to COS. That's because flight prices are based on demand, which tends to increase closer to the date of departure.

  • Getting cheap flights from Seattle-Tacoma International Airport to Colorado Springs Municipal Airport is more likely if you can be flexible with your travel dates. Use the 'Whole month' tool to see the lowest prices across each month and land a great deal.

  • Spend less time searching for cheap flights from SEA to COS by creating a Price Alert. We'll send you an email or push notification on the app when a lower fare becomes available.

  • Discover the ideal flight for you with the help of the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Seattle-Tacoma International Airport to Colorado Springs Municipal Airport, use the 'Sort by' tool. You can also filter results by departure and arrival times, airline, and number of stops.

Handy information about Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport earns top marks for its on-time performance. 81.27% of flights that depart SEA arrive at their destination on time.

  • To reach Seattle-Tacoma International Airport from central Seattle, it takes around 20 minutes if you're traveling by car. This depends on traffic, however. It's approximately 14 miles from the airport to the city center.

  • The trip on public transport takes about 55 minutes.

  • Need a convenient hotel near SEA? If you've booked an early flight from Seattle-Tacoma International Airport to Colorado Springs Municipal Airport, these stays will have you sleeping moments from check-in:

Arriving at Colorado Springs Municipal Airport (COS)

Getting from Colorado Springs Municipal Airport (COS) to central Colorado Springs

  • You'll find COS at 7770 Milton E. Proby Parkway.

  • Colorado Springs Municipal Airport to the center of Colorado Springs has a drive time of about 20 minutes. It's approximately 10 miles away.

  • When traveling by public transport, expect a journey time of around 1 hour 5 minutes.

When to fly to Colorado Springs Municipal Airport (COS)

  • July is the busiest month for flights from Seattle-Tacoma International Airport to Colorado Springs Municipal Airport. To avoid the crowds, go to Colorado Springs in April.

  • When reserving your flight from Seattle-Tacoma International Airport to Colorado Springs Municipal Airport, think about the type of weather you like. July is the warmest month in Colorado Springs, with the temperature ranging from 54ºF to 86ºF.

  • January has average temperatures of between 14ºF and 45ºF. Search for cheap tickets from SEA to COS sometime then if you like traveling in cooler conditions.

Explore more of United States

  • Denver is just one of the many cities in United States waiting to be discovered once you've seen the sights of Colorado Springs. Around 65 miles away to the north, its top attractions include Denver Art Museum, Union Station and Denver Botanic Gardens.

  • If you want to check out another great destination in United States, consider Albuquerque, about 280 miles south of Colorado Springs. Balloon Fiesta Park, Albuquerque Biological Park and ABQ BioPark Aquarium are among its highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.