Seattle (SEA) to Colorado Springs (COS) at a glance

Explore a range of Colorado Springs flights available from Seattle (SEA) on this convenient domestic short-haul route. You can choose between full-service airlines and low-cost carriers to discover the itinerary that best aligns with your budget and travel plans. Get ready to experience the iconic sights and neighborhoods of Colorado Springs. Check out the essential details for flights from Seattle-Tacoma International Airport (SEA) to Colorado Springs Airport (COS) to start your adventure.

• Fastest flight duration: around 3h 45m in-flight, plus roughly 1h 15m layover with one stop
• Route distance: roughly 1,100 miles (1,770 km)
• Flights per week: around 15+ flights with multiple daily departures on average
• Typical fares (one-way): economy tickets often range from $80–$360, depending on seasonality and how far ahead you book

Flights from Seattle - Tacoma International Airport (SEA) to Colorado Springs Airport (COS)

Based on the latest traveler bookings, here are the top airlines preferred for flights from Seattle to Colorado Springs, especially for one-stop and multi-stop journeys. Popular layover options include Denver International Airport (DEN) with an average layover of about 1 hour and 15 minutes, Salt Lake City International Airport (SLC) at roughly 1 hour, and Harry Reid International Airport (LAS) also around 1 hour. These choices allow you to combine price, total travel time, and cabin class for the ideal travel itinerary.

• United: As a comprehensive airline, United offers a one-stop service with one-way ticket prices generally ranging from $110 to $380. This carrier represents about 50% of the departures on this route, featuring an in-flight duration of 3 hours and 45 minutes, with an overall travel time close to 5 hours, including layover.
• Southwest Airlines: Known for its budget-friendly approach, Southwest Airlines provides one-stop service with one-way fares typically between $80 and $350. It accounts for around 25% of the departures on this route, with a flight time of 3 hours and 45 minutes, leading to a total travel duration of approximately 5 hours, including layover.
• Delta: Another full-service option, Delta offers one-stop flights with one-way fares that usually fall between $80 and $335. This airline makes up about 20% of departures on this route, with an in-flight time of 3 hours and 45 minutes, resulting in a total journey time of roughly 5 hours, inclusive of layover.
• American Airlines: Providing a full range of services, American Airlines also offers one-stop flights with one-way fares typically ranging from $80 to $335. This carrier covers about 5% of the departures on this route, featuring a flight time of 3 hours and 45 minutes and a total journey time of around 5 hours, including layover.

Travelers flying from Seattle to Colorado Springs can elevate their experience by upgrading to first class or premium economy. United and Delta offer both service options for their passengers.

Best time to fly from Seattle (SEA) to Colorado Springs (COS)

The most popular months for travelers flying from Seattle to Colorado Springs are January, March, and April, when peak temperatures in Colorado Springs reach up to 43.3°F in April. If you prefer quieter travel, consider September, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 61.3°F. For better deals, January usually offers the lowest average one-way fare around $185. Flight availability peaks in May and August, with approximately 18 flights per week, making it easier to find convenient departure times. February has the fewest flights, with approximately 13 flights per week.

• Cheapest time to fly: January usually offers good deals with average one-way fare around $185, roughly 11% cheaper than the yearly average.
• More budget-friendly months to fly: September, August, and October typically offer average one-way fares of around $190.
• Most flight options: May and August have the highest number of flights from Seattle to Colorado Springs, with approximately 18 flights per week, giving you more flexibility in scheduling your trip.

Month	Temperature	Demand	Weekly Flights	Average one-way Fare
January	26.2°F (-3.2°C)	Slightly High	14	$185
February	27.0°F (-2.8°C)	Average	13	$197
March	36.3°F (2.4°C)	Slightly High	14	$212
April	43.3°F (6.3°C)	Slightly High	14	$226
May	52.5°F (11.4°C)	Average	18	$231
June	64.9°F (18.3°C)	Average	17	$225
July	68.7°F (20.4°C)	Average	16	$220
August	67.1°F (19.5°C)	Average	18	$189
September	61.3°F (16.3°C)	Slightly Low	15	$188
October	46.9°F (8.3°C)	Slightly Low	16	$192
November	36.0°F (2.2°C)	Average	15	$207
December	26.8°F (-2.9°C)	Slightly Low	14	$230

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Seattle (SEA) to Colorado Springs (COS)

• Seattle to Denver (SEA-DEN): Denver International Airport (DEN) is located approximately 73 miles from Colorado Springs Airport (COS). The cost of one-way economy tickets on this route generally falls between $50 and $270, influenced by factors like seasonality and advance booking. Travelers can choose from both non-stop and one-stop flight options. Major airlines operating this route include Alaska Airlines and Delta. Additionally, premium service classes such as business and first class are also offered.

How to find the best prices for flights from Seattle (SEA) to Colorado Springs (COS)

Getting some of the best deals on flights from Seattle to Colorado Springs is all about timing and flexibility. Here are some key tips to help you save:

1. Best times to book and fly: cheaper fares are usually available when booking at least two months in advance, although most travelers tend to book between two to eight weeks ahead. Morning departures from 5 AM to 12 PM often provide lower prices and are the most popular flight times. Additionally, flying on Saturday usually results in cheaper rates, whereas Friday remains the busiest travel day.
2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Colorado Springs Airport from Seattle - Tacoma International Airport

Colorado Springs welcomes travelers from Seattle with a range of transport options based on price, convenience, and proximity. For departures, Seattle - Tacoma International Airport is roughly a 20-minute drive (covering about 14 miles) from central Seattle. Here's how to reach Colorado Springs efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in Colorado Springs, with private rides that can be arranged in advance.
• Car rental: Renting a car from Colorado Springs Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Colorado Springs Airport on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
• Public transportation: From Colorado Springs Airport, Colorado Springs Bus Station, a bus station, is located about 7 miles from the airport.