Beginning of main content
Trip Type
Flight 1
Flight 2
Flight 3
Flight 4
Flight 5

Get travel help 24/7 with our Customer First Guarantee

Wander Wisely™ with Price Match Guarantee and no change fees

Search over 400 airlines and more than 700,000 hotels worldwide

United Flights from COS to SEA

Travelocity is proud to offer some of the lowest fares on United flights from Colorado Springs to Seattle. With our low price guarantee and free 24 hour cancellation, you can book that flight to SEA with confidence today. Choose from some of the best days to fly with our flexible booking calendar and you’ll save even more money on your journey from COS to SEA. Whether you’re on the way to a well-deserved vacation or just flying for business, take advantage of these airfare deals today and go and smell the roses!

FAQs about United Airlines Flights from COS to SEA

Are there United Airlines non-stop flights from COS to SEA?

You'll need to make at least one stopover if you're traveling from Colorado Springs, CO Airport (COS) to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) with United Airlines. Unfortunately, the airline doesn't offer direct flights on this particular route.

How long is an United Airlines flight from COS to SEA?

Take in a movie or two, enjoy a podcast or just recline your seat and take it easy. Whatever you're into, find a way to amuse yourself during the 4 hours and 3 minutes that it takes to travel from Colorado Springs, CO Airport (COS) to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) with United Airlines.

What type of aircraft does United Airlines fly from COS to SEA?

Your adventure from COS to SEA will most likely begin on the BombardierCRJ. Next, you'll have a chance to indulge in a little retail therapy during a stop in Denver, CO Airport (DEN-Denver Intl.), before hopping on board the Boeing737-800 on the last leg to your destination.

How many flights does United Airlines fly from COS to SEA?

When traveling from COS to SEA, you'll discover around 6 United Airlines daily flights to choose from.

Worldwide Destinations


Expedia offers amazing deals on flights around the world. Find Flights to Baltimore MD and feel confident that your online booking experience will be fast and easy.

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Travelocity users over the 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Travelocity. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.