Cheap Flights from Seattle to Colorado Springs from $257

Frequently Asked Questions

• What are the cheapest flights from Seattle to Colorado Springs (SEA-COS)?

  Based on Trip.com data, Delta Air Lines offers one-way fares as low as $257 on Cheapest nonstop routes (e.g. SEA to COS on Fri, Oct 16), while Hahn Air offers Cheapest nonstop round-trips from $333 departing on Sun, Nov 15 and returning on Fri, Nov 20.

• Which airlines offer flights from Seattle to Colorado Springs?

  At the moment, several airlines serve connecting flights from Seattle to Colorado Springs, including: United Airlines Delta Air Lines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.

• When is the best time to book flights from Seattle to Colorado Springs?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seattle to Colorado Springs is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Seattle to Colorado Springs?

  Based on Trip.com data in the past 4 weeks, there is 1 flight per week flying from Seattle to Colorado Springs. You can check the weekly schedule for popular airlines on this route below: United Airlines: -/-/-/-/-/-/- -- UA2033 (13:27)

• How can I find the best deals on flights from Seattle to Colorado Springs?

  To find best deals on flights from Seattle to Colorado Springs, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Fri, Oct 16, with one-way flights priced at just $257.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Delta Air Lines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Colorado Springs travel is around December.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Seattle (SEA) to Colorado Springs (COS) the cheapest?

  The cheapest months to fly from Seattle to Colorado Springs is September, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Seattle to Colorado Springs on?

  After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Seattle to Colorado Springs on October 31, 2026 with United Airlines, with prices starting at $144.

• Which airports can I fly into Colorado Springs from Seattle?

  You can arrive at any of the following airports in Colorado Springs: Colorado Springs Airport (COS). Flights from Seattle-Tacoma International Airport to Colorado Springs Airport (SEA-COS) are by far the most popular option for this route.

• Is there any time difference between Seattle and Colorado Springs?

  The time difference between Colorado Springs and Seattle is 1h.

• How do I change or cancel my ticket from Seattle to Colorado Springs?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average cost of a one-way flight from Seattle to Colorado Springs?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Seattle to Colorado Springs is $288. Fares vary by travel date, airline and availability.

• How do I book flights from Seattle to Colorado Springs on Trip.com?

  Enter Seattle and Colorado Springs, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.