Cheap Flight Tickets from Colorado Springs (COS) to Seattle (SEA), Starting at $264

Good to Know: Cheapest and Fastest COS - SEA Flights

Useful information for finding best airline tickets from City of Colorado Springs Municipal to Seattle Tacoma International on your next trip.

Cheapest Round Trip Flight

$264

UA United Airlines • 1 stop • 1h 45m

Jul 01 – Jul 08

The cheapest round trip flight from Colorado Springs to Seattle (COS-SEA-COS) is currently $264

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Fastest Flight

1h 45m

The fastest nonstop flight from Colorado Springs to Seattle (COS-SEA) takes 1h 45m

Latest Flight Deals from Colorado Springs (COS) to Seattle (SEA)

Compare and book low fare round-trip air tickets from Colorado Springs to Seattle. Ideal for travelers with confirmed return itineraries.

Jul 01 - Jul 08, Economy
UA
Colorado Springs → Seattle
1h 45m
6:00 AM - 9:59 AM • 1 stop
UA
Colorado Springs → Seattle
4h 4m
3:51 PM - 9:26 PM • 1 stop
$264
United Airlines
Jul 01 - Jul 08, Economy
AA
Colorado Springs → Seattle
3h 23m
5:17 PM - 11:43 PM • 1 stop
AA
Colorado Springs → Seattle
6h 51m
10:23 AM - 6:39 PM • 1 stop
$331
American Airlines
Jul 01 - Jul 08, Economy
AA
Colorado Springs → Seattle
2h 38m
8:01 AM - 9:04 PM • 2 stops
WN
Colorado Springs → Seattle
3h 35m
7:30 AM - 6:30 PM • 2 stops
$368
American Airlines
Jul 01 - Jul 08, Economy
WN
Colorado Springs → Seattle
10h 25m
7:05 PM - 12:30 AM • 1 stop
WN
Colorado Springs → Seattle
10h 30m
2:15 PM - 9:45 PM • 1 stop
$398
Southwest Airlines
Jul 01 - Jul 08, Economy
WN
Colorado Springs → Seattle
16h 50m
5:35 AM - 2:45 PM • 1 stop
WN
Colorado Springs → Seattle
10h 35m
10:55 AM - 6:30 PM • 1 stop
$398
Southwest Airlines
Jul 01 - Jul 08, Economy
DL
Colorado Springs → Seattle
24h 11m
8:14 AM - 10:05 PM • 1 stop
DL
Colorado Springs → Seattle
15h 20m
7:15 AM - 5:35 PM • 2 stops
$613
Delta Airlines

Fly from Colorado Springs to Seattle with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Colorado Springs to Seattle? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Colorado Springs to Seattle Flights

What are the airports in Colorado Springs?
COS
What’s the most popular airline flying from COS to SEA?
The most popular airline flying from Colorado Springs to Seattle are
Can I fly from COS to SEA non-stop?
NO
Which airlines fly nonstop between Colorado Springs and Seattle?
The non-stop flights between Colorado Springs and Seattle are .
What’s the earliest departure time from COS to SEA Airport?
The earliest flight leaves COS at 5:35 am and lands in SEA - Seattle Tacoma International
What are the airports in Seattle?
SEA
Can I make changes to my Colorado Springs to Seattle flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from COS to SEA?
Read the fare rules of the Colorado Springs to Seattle air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Colorado Springs and Seattle?
operate flights between Colorado Springs and Seattle
How long does a flight from Colorado Springs to Seattle take?
It takes approximately 3 hour to fly non-stop from COS to SEA, which is 1067.82 miles by air.
Which airlines provide the cheapest flights from Colorado Springs (COS) to Seattle (SEA) ?
In the past couple of days, the cheapest tickets to SEA from COS were found on AA : USD 368
Do I need a passport to fly between COS and SEA?
No
What’s the latest departure time from COS to SEA ?
The last flight leaves COS at 7:05 pm

Essential Information for Booking Flights from Colorado Springs (COS) - AI Insights

What's the cheapest airline from cos to sea?
You can find affordable flights from City of Colorado Springs Municipal (cos) to Seattle Tacoma International (sea) on budget-friendly airlines. For a round-trip journey, consider booking at least 41 days in advance to secure Low Fares. Southwest Airlines (WN) operates with two stops for this route.
What's the popular airline to fly from cos to sea?
For a round-trip flight from City of Colorado Springs Municipal (cos) to Seattle Tacoma International (sea), consider Southwest Airlines (WN). With 6 passengers, you can find budget-friendly flights. Booking in advance is recommended as it's ideal for finding low fares.
What's the cheapest day of the week to fly from cos to sea?
The cheapest day to fly from Colorado Springs (cos) to Seattle Tacoma International (sea) is Sunday. Flying on Sundays can result in budget-friendly flights, making it a great option for travelers looking for savings on airfares.
What's the cheapest month to fly from cos to sea?
The cheapest month to fly from Colorado Springs (cos) to Seattle Tacoma International (sea) is November. Flying during this time can help you find budget-friendly flights, making your round-trip journey more affordable.
Which airline/airlines fly from cos to sea?
The airlines that fly from City of Colorado Springs Municipal (cos) to Seattle Tacoma International (sea) include Allegiant (G4), United Airlines (UA), Southwest Airlines (WN), Delta Airlines (DL), and American Airlines (AA). You can find budget-friendly flights on their websites.
What is the cheapest airfare from City of Colorado Springs Municipal to Seattle Tacoma International for 6 passengers?
The cheapest airfare from City of Colorado Springs Municipal to Seattle Tacoma International for 6 passengers can be found on Southwest Airlines (WN) with a fare of $X, which is available for booking in advance.
How many stops are there on the round trip flights from cos to sea?
There are 2 stops on the round trip flights from cos to sea.
Can I book my flight from Milwaukee at affordable prices on your website?
Yes, you can book your flight from Milwaukee at affordable prices on our website using web-based travel tools.
Is it possible to find awesome deals on busco airlines?
No, we do not have any information about busco airlines. However, we can help you find the best deals on Southwest Airlines (WN) and other airlines.
What is the best way to look for cheap airflights with web-based travel tools?
The best way to look for cheap airflights with web-based travel tools is to use our website, which offers a range of features including fare comparison and booking functionality.
Are weekend getaways available via our website?
Yes, weekend getaways are available via our website. You can search for flights and book your trip in advance.

Colorado Springs (COS) to Seattle (SEA): Airport Information

Origin Airport City of Colorado Springs Municipal , Colorado Springs, US
Destination Airport Seattle Tacoma International , Seattle, US
Distance 1068 miles

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