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$88+ Cheap flights from Colorado Springs (COS) to Washington

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
COS — SEA
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheap flight deals from Colorado Springs to Washington

Cheapest flights from Colorado Springs to Washington
Explore the most affordable flight options available from Colorado Springs to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

This Delta deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/215:59 pmCOS - SEA
1 stop7h 21mDelta
jue. 1/155:25 amSEA - COS
1 stop4h 52mDelta
Deal found 12/11$282
This Delta deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/215:59 pmCOS - PDX
1 stop7h 00mDelta
mar. 1/65:00 pmPDX - COS
1 stop4h 23mDelta
Deal found 12/11$360
This United Airlines deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/255:45 amCOS - SEA
1 stop5h 10mUnited Airlines
lun. 12/293:50 pmSEA - COS
1 stop7h 09mUnited Airlines
Deal found 12/9$370
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/2112:49 pmCOS - SEA
2 stops9h 18mUnited Airlines
jue. 1/155:00 amSEA - COS
1 stop4h 57mUnited Airlines
Deal found 12/11$373
This Delta deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/318:10 amCOS - SEA
1 stop16h 15mDelta
mar. 1/65:25 amSEA - COS
1 stop4h 52mDelta
Deal found 12/10$391
This Delta deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/318:10 amCOS - SEA
1 stop16h 15mDelta
jue. 1/85:25 amSEA - COS
1 stop4h 52mDelta
Deal found 12/10$401
This Delta deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/305:59 pmCOS - SEA
1 stop17h 09mDelta
mié. 1/75:25 amSEA - COS
1 stop4h 52mDelta
Deal found 12/10$411
This Delta deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/305:59 pmCOS - SEA
1 stop17h 09mDelta
jue. 1/85:25 amSEA - COS
1 stop4h 52mDelta
Deal found 12/10$421
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/305:45 amCOS - PDX
1 stop5h 16mUnited Airlines
jue. 1/15:00 amPDX - COS
1 stop7h 11mUnited Airlines
Deal found 12/10$428
This American Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/2110:35 amCOS - PDX
2 stops11h 19mAmerican Airlines
mar. 1/67:38 amPDX - COS
1 stop9h 03mAmerican Airlines
Deal found 12/11$435
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/265:45 amCOS - SEA
1 stop5h 11mUnited Airlines
mar. 12/303:50 pmSEA - COS
1 stop7h 09mUnited Airlines
Deal found 12/11$444
This Southwest deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/268:55 pmCOS - SEA
1 stop5h 30mSouthwest
jue. 1/13:05 pmSEA - COS
1 stop6h 20mSouthwest
Deal found 12/10$458

Find flight deals from Colorado Springs to Washington

Keep the following information in mind while searching for Colorado Springs to Washington flight deals. Data was last updated diciembre 12, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$137
(Delta)

One-way from

$88
(American Airlines)

Popular in

July

Cheapest in

January

Average price

$206
Provider with most accurate pricing for Denver Intl-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Seattle/Tacoma Intl flights.
Search Deals
From Colorado Springs to Washington
Search Deals
One-way flight from Colorado Springs to Washington
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado Springs to Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated diciembre 12, 2025.
Use the filters below to find and compare flights from Colorado Springs to Washington that are best for you.

Fly from

Colorado Springs

Fly to

Washington

Route

Depart

Return

Price

Colorado SpringsSeattle

COS - SEA

COSSEA

Colorado Springs

vie. 1/23

7:59 am-3:00 pm

1 stop8h 01m

Seattle/Tacoma Intl

lun. 1/26

4:55 pm-10:23 pm

1 stop4h 28m

$137

Colorado SpringsSeattle

COS - SEA

COSSEA

Colorado Springs

lun. 1/26

12:00 pm-6:29 pm

1 stop7h 29m

Seattle/Tacoma Intl

lun. 2/2

5:00 am-11:18 am

1 stop5h 18m

$137

Colorado SpringsSeattle

COS - SEA

COSSEA

Colorado Springs

vie. 1/9

12:00 pm-6:29 pm

1 stop7h 29m

Seattle/Tacoma Intl

sáb. 1/17

5:25 am-11:17 am

1 stop4h 52m

$137

Colorado SpringsSeattle

COS - SEA

COSSEA

Colorado Springs

mar. 1/13

12:00 pm-4:38 pm

1 stop5h 38m

Seattle/Tacoma Intl

mar. 1/20

4:55 pm-10:23 pm

1 stop4h 28m

$137

Colorado SpringsSeattle

COS - SEA

COSSEA

Colorado Springs

mié. 1/28

12:00 pm-4:55 pm

1 stop5h 55m

Seattle/Tacoma Intl

mar. 2/3

4:55 pm-10:23 pm

1 stop4h 28m

$137

Colorado SpringsSeattle

COS - SEA

COSSEA

Colorado Springs

vie. 1/23

7:59 am-3:00 pm

1 stop8h 01m

Seattle/Tacoma Intl

jue. 1/29

5:00 am-11:17 am

1 stop5h 17m

$137

Colorado SpringsSeattle

COS - SEA

COSSEA

Colorado Springs

sáb. 1/10

12:00 pm-4:40 pm

1 stop5h 40m

Seattle/Tacoma Intl

sáb. 1/17

5:25 am-11:17 am

1 stop4h 52m

$137

Colorado SpringsSeattle

COS - SEA

COSSEA

Colorado Springs

lun. 1/26

12:00 pm-6:29 pm

1 stop7h 29m

Seattle/Tacoma Intl

mar. 2/3

4:55 pm-10:23 pm

1 stop4h 28m

$137

Colorado SpringsSeattle

COS - SEA

COSSEA

Colorado Springs

mié. 1/14

12:00 pm-4:38 pm

1 stop5h 38m

Seattle/Tacoma Intl

mié. 1/21

4:55 pm-10:23 pm

1 stop4h 28m

$137

Colorado SpringsSeattle

COS - SEA

COSSEA

Colorado Springs

vie. 1/9

12:00 pm-6:29 pm

1 stop7h 29m

Seattle/Tacoma Intl

jue. 1/15

5:25 am-11:17 am

1 stop4h 52m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 49 results
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Best time to book a flight from Colorado Springs to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Colorado Springs with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Colorado Springs to Washington

What is the cheapest month to book a flight from Colorado Springs to State of Washington?

Currently, February is the cheapest month in which you can book a flight from Colorado Springs to State of Washington (average of $49). Flying from Colorado Springs to State of Washington in July is currently the most expensive (average of $98). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from COS to WA?

Find hourly flight availability from Colorado Springs to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Colorado Springs to State of Washington in the evening. If you’re flexible enough to do this you can expect to save up to 46% on your trip compared to booking a flight at noon.

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated diciembre 12, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Colorado Springs to Washington to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,253 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,253 reviews
Southwest
7.9
Good
4,253 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,008 reviews
Southwest
7.9
Good
4,253 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,095 reviews
Southwest
7.9
Good
4,253 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,050 reviews
Southwest
7.9
Good
4,253 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Colorado Springs to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Colorado Springs to Washington?

    Colorado Springs (COS) is the airport you will fly out of if you book a flight from Colorado Springs to Washington. It is only a 6.7 mi journey to Colorado Springs (COS) from Colorado Springs’s city center.

  • How long is the flight from Colorado Springs to State of Washington?

    There are many flights that can get you from Colorado Springs to State of Washington in 5h 45m. Fly via Delta or United Airlines to get the fastest option. Airlines will cover a distance of 1025 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Colorado Springs to State of Washington one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $69. Users have also found prices from $87 and $108 on Southwest and United Airlines, respectively.

  • What are the most popular routes from Colorado Springs to State of Washington?

    When deciding which route to take from Colorado Springs to State of Washington consider Colorado Springs - Seattle/Tacoma Intl, Colorado Springs - Portland or Colorado Springs - Pasco Tri Cities as they are the most popular.

  • Can I find deals for flights from Colorado Springs to Washington that include hotel bookings?

    Yes. In addition to deals on Colorado Springs to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado Springs to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado Springs to Washington.

  • Can I find deals for business class flights from Colorado Springs to Washington?

    Yes. Cheapflights offers flight deals from Colorado Springs to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Colorado Springs to State of Washington?

    Currently, February is the cheapest month in which you can book a flight from Colorado Springs to State of Washington (average of $49). Flying from Colorado Springs to State of Washington in July is currently the most expensive (average of $98). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 4 airlines flying from Colorado Springs to Washington

Discover the top 4 airlines that operate flights from Colorado Springs to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$104Average$359FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$186Average$236FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$207Average$395FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$216Average$414FlexibilityNo cancel feeOn-time69%

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