₩154,700 Cheap Flights from Colorado Springs (COS) to Seattle (SEA)

View ₩154,700 flight on Fri, Jul 18, 2025Opens in a new window

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Cheap Flights from Colorado Springs to Seattle (COS-SEA)

Prices were available within the past 7 days and start at ₩154,700 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much is a flight from Colorado Springs Airport (COS) to Sea-Tac Airport?
Based on fares offered within the last 7 days on Expedia for flights departing within the next year, round-trip flights between COS and SEA start from . Book now to secure the best price for your journey. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from City of Colorado Springs Municipal Airport to Seattle - Tacoma Intl. Airport (SEA)?
Each air carrier has its own terms and conditions. If you do decide to cancel, follow the easy instructions on our Customer Service Portal.
How do I find cheap flights from COS to SEA that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for COS to SEA flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from COS to Seattle - Tacoma Intl. Airport (SEA)?
It’s around 1,700 kilometers from City of Colorado Springs Municipal Airport to SEA, so expect to be in your seat for a while. Keep yourself entertained by packing things like a magazine or a thrilling novel.
Which airlines fly direct from City of Colorado Springs Municipal Airport to Sea-Tac Airport?
Currently, no airlines offer flights directly from City of Colorado Springs Municipal Airport to SEA. You’ll have to book a flight with at least one stop. To get the best connections and price, lock in your airfare well ahead of time.
Are Colorado Springs Airport (COS) to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can occasionally find a bargain, with some of the cheapest airfares from Colorado Springs Airport (COS) to SEA surfacing a few weeks before the date of departure. If you’d rather book ahead, Expedia compares and updates all the best flight deals frequently — as early as a year in advance in some cases. It does depend on the carrier though, as not all airlines quote prices that far in advance.
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