$103 Cheap United flights from Colorado Springs to Seattle (COS to SEA)

Find The Best Day To Fly from Colorado Springs to Seattle

Amazing United COS to SEA Flight Deals

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $199 round trip and $103 one way. Prices and availability subject to change. Additional terms may apply.

Mon, Aug 26 - Tue, Aug 27
COS
Colorado Springs
SEA
Seattle
$199 Roundtrip, found 12 hours ago
$199
Roundtrip
found 12 hours ago
Select United flight, departing Mon, Aug 26 from Colorado Springs to Seattle, returning Tue, Aug 27, priced at $199 found 12 hours ago

SEA From COS Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
Hotel Max

Hotel Max

3.5 out of 5
Save 100% on your flight
per person
Jun 9 - Jun 14
Roundtrip flight included
Denver (DEN) to Seattle (SEA)
Mediterranean Inn

Mediterranean Inn

3 out of 5
Save 100% on your flight
per person
Jul 23 - Jul 30
Roundtrip flight included
Denver (DEN) to Seattle (SEA)
The Belltown Inn

The Belltown Inn

2.5 out of 5
Save 100% on your flight
per person
Jul 23 - Jul 30
Roundtrip flight included
Denver (DEN) to Seattle (SEA)
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Frequently asked questions

Can I catch a flight from Colorado Springs Airport (COS) to SEA right now?
Ensure you visit the Covid-19 Travel Advisor to learn if there are any current travel advice reports and quarantine requirements in place in SEA when flying from COS.
What terminal is United Airlines at Colorado Springs Airport (COS)?
Before you jet off from Colorado Springs Airport (COS) to Seattle - Tacoma Intl. Airport (SEA) with United Airlines, it might be a good idea to get in touch with the airline to find out your terminal information. While your boarding pass should contain some of the relevant details, we can’t guarantee it.
Are there United Airlines non-stop flights from COS to SEA?
United Airlines doesn’t have direct flights between City of Colorado Springs Municipal Airport and Seattle - Tacoma Intl. Airport (SEA), so plan to make at least one stopover. If you’ve got enough time between flights, browse the airport shops while you wait for your connection.
How long is a United Airlines flight from COS to SEA?
Your United Airlines flight from COS to Sea-Tac Airport will take roughly 4 hours and 10 minutes. But there are tons of things you can do to keep yourself busy. Chatting to the person next to you about their amazing travel experiences is one of them. If you’d prefer a different sort of in-flight entertainment, you could always watch a TV show.
How many direct and indirect flights does United Airlines fly from COS to SEA?
You can take your pick of roughly 5 United Airlines flights every day from COS to SEA.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to SEA, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best United flight from Colorado Springs COS to Seattle SEA 

To find the best deals on flights to Colorado Springs from Seattle with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Colorado Springs COS to Seattle SEA with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $199 to $199, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from Colorado Springs COS to Seattle SEA 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Colorado Springs to Seattle costs from $103. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Seattle SEA from  Colorado Springs COS with United 

To find a cheap United flight from Colorado Springs COS to Seattle SEA, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from Colorado Springs COS to Seattle SEA 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as August, or if you book a flight with a stopover. 

 

Find nonstop flights from Colorado Springs COS to Seattle SEA with United 

If you’re keen to be on Seattle soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from Colorado Springs COS to Seattle SEA 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Seattle SEA from  Colorado Springs COS with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

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