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

The best prices from Colorado Springs to Seattle/Tacoma Intl 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 to Seattle

All the information you need to plan the best COS to SEA flight in 2022: compare Colorado Springs to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.

COS - SEA

Price

$178 - $372

SEA

Temperature

41 - 66.2 °F

SEA

Precipitation

0.7 - 6.6 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/Tacoma Intl

One-way from

$113

One-way flight from Colorado Springs to Seattle/Tacoma Intl

What is the cheapest day to fly round-trip from Colorado Springs to Seattle?

Leaving on a Friday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 42% on the overall cost on flights from Colorado Springs to Seattle.

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

To save up to 12% on this flight, we recommend booking at least 18 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Colorado Springs to Seattle from $140 1-2 weeks out and tickets from $162 for flights departing within the next 72 hours.

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 January, February 2022

The best prices found for COS to SEA flights for January, February
Feb 4 - Feb 6
COS

Colorado Springs

SEA

Seattle/Tacoma Intl

1 stop

14h 03m
SEA

Seattle/Tacoma Intl

COS

Colorado Springs

1 stop

4h 55m
$156

Multiple Airlines

View Deal

Deal found 16/1/22

Jan 18 - Jan 18
COS

Colorado Springs

SEA

Seattle/Tacoma Intl

1 stop

7h 25m
SEA

Seattle/Tacoma Intl

COS

Colorado Springs

1 stop

8h 20m
$170

American Airlines

View Deal

Deal found 15/1/22

Feb 11 - Feb 14
COS

Colorado Springs

SEA

Seattle/Tacoma Intl

1 stop

7h 26m
SEA

Seattle/Tacoma Intl

COS

Colorado Springs

1 stop

6h 54m
$176

Delta

View Deal

Deal found 17/1/22

Colorado Springs to Seattle 2022 flight deals

Cheap flights to Seattle from Colorado Springs found for this year
Feb 4 - Feb 6
COS

Colorado Springs

SEA

Seattle/Tacoma Intl

1 stop

14h 03m
SEA

Seattle/Tacoma Intl

COS

Colorado Springs

1 stop

4h 55m
$156

Multiple Airlines

View Deal

Deal found 16/1/22

Jan 18 - Jan 18
COS

Colorado Springs

SEA

Seattle/Tacoma Intl

1 stop

7h 25m
SEA

Seattle/Tacoma Intl

COS

Colorado Springs

1 stop

8h 20m
$170

American Airlines

View Deal

Deal found 15/1/22

Feb 11 - Feb 14
COS

Colorado Springs

SEA

Seattle/Tacoma Intl

1 stop

7h 26m
SEA

Seattle/Tacoma Intl

COS

Colorado Springs

1 stop

6h 54m
$176

Delta

View Deal

Deal found 17/1/22

One-way flights to Seattle/Tacoma Intl from Colorado Springs

The cheapest one-way flights from Colorado Springs to Seattle
Feb 4
COS

Colorado Springs

SEA

Seattle/Tacoma Intl

1 stop

14h 03m
$68

Frontier

View Deal

Deal found 17/1/22

Feb 6
COS

Colorado Springs

SEA

Seattle/Tacoma Intl

1 stop

12h 32m
$83

Frontier

View Deal

Deal found 15/1/22

Feb 22
COS

Colorado Springs

SEA

Seattle/Tacoma Intl

1 stop

7h 26m
$88

Delta

View Deal

Deal found 16/1/22

Related info for your journey

Useful info, stats and facts about Colorado Springs to Seattle flights.

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 $156, but on average you can expect to pay $221.

How popular is this Colorado Springs to Seattle flight route?

The Colorado Springs to Seattle/Tacoma Intl flight path was viewed by 15 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

According to our current data, Delta ($176), United Airlines ($184), and American Airlines ($235) offers the cheapest pricing from Colorado Springs to Seattle. Delta 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?

$68 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and American Airlines, with prices starting from $88 and $93, respectively.

What are the most popular airlines that fly from Colorado Springs to Seattle?

American Airlines, Alaska Airlines and Delta are the most popular airlines when flying from Colorado Springs to Seattle.

What are the cheapest flights from Colorado Springs to Seattle?

Looking at all options, your cheapest flight can be booked for $84. While the most popular route (Colorado Springs - Seattle/Tacoma Intl) can be booked for $176 on average our data indicates $154 when flying from Colorado Springs to Seattle.

Can I fly to Seattle/Tacoma Intl from Colorado Springs right now?

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 24 hours before departing to Seattle/Tacoma Intl.

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

Can I fly back to Colorado Springs from Seattle/Tacoma Intl?

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 24 hours before departing to Colorado Springs.

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

Alternative routes for Colorado Springs to Seattle

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

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.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
American Airlines
Cheapest$82
Average$282
FlexibilityNo cancel fee
On-time71%
COVID-19 safety
Frontier
Cheapest$102
Average$184
FlexibilityNo cancel fee
On-time62%
COVID-19 safety
United Airlines
Cheapest$102
Average$321
FlexibilityNo cancel fee
On-time69%
COVID-19 safety
Delta
Cheapest$152
Average$360
FlexibilityNo cancel fee
On-timeN/A
COVID-19 safety
Alaska Airlines
Cheapest$167
Average$238
FlexibilityNo cancel fee
On-time75%
COVID-19 safety