Cheap flights from Colorado Springs to Seattle (COS - SEA)

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The best prices from Colorado Springs to Seattle are usually found in August or July, booked 45 days in advance, depart on a Saturday or Tuesday and return on a Tuesday

How to find the cheapest flight from
Colorado Springs (COS) to Seattle (SEA)

All the information you need to plan the best COS to SEA flight in 2021: compare Colorado Springs to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.
COS - SEA
Price
$178 - $372
SEA
Temperature
46.4 - 77 °F
SEA
Precipitation
0.7 - 6.5 inches

Popular in

December

High demand for flights, 28% potential price rise

Cheapest in

August

Best time to find cheap flights, 34% potential price drop

Round-trip from

$178

From Colorado Springs to Seattle

One-way from

$112

One-way flight from Colorado Springs to Seattle

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Colorado Springs to Seattle?

Departing on a Friday is a good option for securing a great price. You can expect to save up to 42% when planning your travel around this day of the week.

How far in advance should I book a flight from Colorado Springs to Seattle?

Users have found that booking a flight from Colorado Springs to Seattle at least 28 days early can save you up to 71% on average compared to booking a flight this week. If booking 28 days before your flight isn’t an option for you, users have found flights from Colorado Springs to Seattle for as little as $123 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $189 for flights departing within the next 3 days.

What is the cheapest month to fly from Colorado Springs to Seattle?

April is one of the best times of the year to fly to Seattle from Colorado Springs. Prices for April average $115 per person but you can even find prices for as low as $36. The most expensive prices can be found in the month of December. Opting for a April flight can save you 22% on your journey compared to booking in April

When is the cheapest time to fly from Colorado Springs to Seattle (COS - SEA)?

It’s typically best to fly out from Colorado Springs to Seattle in the morning. Doing so could potentially save you 26% on the flight price compared to flying at noon, which is usually more expensive.

Cheap flights from Colorado Springs to Seattle in August, September 2021

The best prices found for COS to SEA flights for August, September
10 Aug - 18 Aug
$140pp
COS
Colorado Springs
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
COS
Colorado Springs
12 Aug - 16 Aug
$173pp
COS
Colorado Springs
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
COS
Colorado Springs
27 Aug - 29 Aug
$175pp
COS
Colorado Springs
United Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
United Airlines
 
1 STOP
COS
Colorado Springs

Colorado Springs to Seattle 2021 flight deals

Cheap flights to Seattle from Colorado Springs found for this year
10 Aug - 18 Aug
$140pp
COS
Colorado Springs
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
COS
Colorado Springs
12 Aug - 16 Aug
$173pp
COS
Colorado Springs
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
COS
Colorado Springs
27 Aug - 29 Aug
$175pp
COS
Colorado Springs
United Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
United Airlines
 
1 STOP
COS
Colorado Springs

Last minute flights from Colorado Springs to Seattle

Late deals on round-trip flights to Seattle from Colorado Springs, departing today and this week
10 Aug - 18 Aug
$140pp
COS
Colorado Springs
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
COS
Colorado Springs
12 Aug - 16 Aug
$173pp
COS
Colorado Springs
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
COS
Colorado Springs
12 Aug - 16 Aug
$186pp
COS
Colorado Springs
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
COS
Colorado Springs

One-way flights to Seattle from Colorado Springs

The cheapest one-way flights from Colorado Springs to Seattle
4:51 pm - 2:06 pm
Frontier
2 Stops
22h 15m
COS - SEA
Frontier
$112
Kiwi.com
10:25 am - 10:23 am
United Airlines
1 Stop
24h 58m
COS - SEA
United Airlines
$218
United
9:26 am - 7:00 am
Multiple Airlines
3 Stops
46h 34m
COS - SEA
Multiple Airlines
$234
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Colorado Springs</span> to <span class="emphasized">Seattle</span> flights.

Flight FAQs

From Colorado Springs to Seattle

Are flight prices decreasing from Colorado Springs to Seattle due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Colorado Springs and Seattle for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from Colorado Springs to Seattle/Tacoma Intl have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like United Airlines, Delta, and American Airlines flying from Colorado Springs to Seattle/Tacoma Intl have implemented new flexible cancellation policies.

Can I find flights from Colorado Springs to Seattle for under $200 on Cheapflights?

Yes, there are multiple flights from Colorado Springs to Seattle for under $200. The cheapest flight booked recently is on Multiple Airlines for just $140, but on average you can expect to pay $198.

Are there nonstop flights from Colorado Springs to Seattle for under $100 on Cheapflights?

There are no nonstop flights from Colorado Springs to Seattle, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Colorado Springs to Seattle for under $200?

There are currently 20+ open flights from Colorado Springs to Seattle within the next 7 days for less than $200.

What days are nonstop flights available from Colorado Springs to Seattle?

You can find nonstop flights on the following days: Sunday, Monday, Wednesday, Thursday, Friday, Saturday.

How popular is this flight route?

Within the past month, 373 users have taken a look at flights from Colorado Springs to Seattle/Tacoma Intl.

Does it rain more in Colorado Springs or Seattle?

In Colorado Springs, there will be greater rainfall in Colorado Springs compared to Seattle over the next 19 days.

Is Colorado Springs weather warmer or cooler than Seattle?

We forecast the temperature to be around the 86 °F's in July, on average. The temperature in Seattle is generally colder than in Colorado Springs. Book flights in a timely manner in correlation to your departure date.

How long is the flight from Colorado Springs to Seattle?

A quick flight from Colorado Springs to Seattle can take about 4h 46m. Delta provides one of the quickest options available for as low as $211. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Colorado Springs to Seattle round-trip?

Our cheapest airline available from Colorado Springs to Seattle is United Airlines. Our recent data shows that you can find tickets from as low as $175 on this airline. Additional options worth looking into are Delta and Frontier, starting at $177 and $214 round-trip. United Airlines is currently priced 34% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Colorado Springs to Seattle one-way?

One-way options have recently been found by users for as low as $88 on United Airlines. Other airlines that offer cheap prices include Frontier from $112 and American Airlines from $162 one-way.

COVID Restrictions

View COVID Travel Restrictions for Seattle, WA

Do I need a COVID test to fly to Seattle from Colorado Springs?

Information is based on travel restrictions for travel to Seattle/Tacoma Intl within the United States

Most visitors from Colorado Springs need to provide a negative COVID-19 test result and/or quarantine to enter Seattle/Tacoma Intl.

COVID-19 testing requirements
Visitors from Colorado Springs must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Colorado Springs are not required to quarantine after entering Seattle/Tacoma Intl.

Do I need a test to fly back to Colorado Springs from Seattle?

Returning to Colorado Springs from Seattle/Tacoma Intl

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Colorado Springs.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Colorado Springs.

Hide COVID Travel Restrictions for Seattle, WA

Alternative routes for Colorado Springs to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Seattle

Things to know before you go - useful duration and weather info for your trip from Colorado Springs to Seattle.
Average temperature for August in Seattle
77.0 °F
Avg rainfall for August in Seattle
1.1 ″

Airports servicing Colorado Springs

Airports servicing Seattle

Top 5 airlines flying from Colorado Springs to Seattle

The chart below displays the airlines Cheapflights users traveling from Colorado Springs to Seattle choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$102 $184 No cancel fee 62%
Alaska Airlines
$167 $238 No cancel fee 75%
American Airlines
$82 $282 No cancel fee 71%
United Airlines
$102 $321 No cancel fee 69%
Delta
$152 $360 No cancel fee N/A

Hourly flight availability from Colorado Springs to Seattle

See what time of day planes typically take off from Colorado Springs towards Seattle.
Evening 6 PM to midnight 100% of COS to SEA departures
Early morning Midnight to 6 AM 0% of COS to SEA departures
Morning 6 AM to noon 0% of COS to SEA departures
Afternoon Noon to 6 PM 0% of COS to SEA departures
Midnight
6 AM
Noon
6 PM
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