$68+ Cheap flights from Colorado 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Colorado to Washington with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Colorado to Washington
Keep the following information in mind while searching for Colorado to Washington flight deals. Data was last updated June 12, 2025.
Round-trip from | $131 (Cheapflightsfares) |
|---|---|
One-way from | $68 (Kiwi.com) |
Popular in | May |
Cheapest in | October |
Average price | $226 |
Good round-trip deal | $130 or less |
Good one-way deal | $74 or less |
Find flight deals from Colorado to Washington
Cheapest flights from Colorado to WashingtonExplore the most affordable flight options available from Colorado to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
Explore the most affordable flight options available from Colorado to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 6/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 6/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/10. 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.
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Southwest deal was found by Cheapflights users on 6/10. 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.
This Delta deal was found by Cheapflights users on 6/11. 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.
This Delta deal was found by Cheapflights users on 6/11. 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.
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/12. 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.
This Expedia deal was found by Cheapflights users on 6/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado 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 June 12, 2025.
Use the filters below to find and compare flights from Colorado to Washington that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Wed 8/13
9:36 pm-11:24 pm
Nonstop2h 48m
Portland
Fri 8/15
6:35 am-10:14 am
Nonstop2h 39m
DenverEverett
DEN - PAE
DENPAE
Denver Intl
Mon 8/25
9:36 am-11:39 am
Nonstop3h 03m
Everett Paine Field
Mon 9/1
12:34 pm-4:19 pm
Nonstop2h 45m
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Thu 8/14
10:29 pm-12:34 am
Nonstop3h 05m
Seattle/Tacoma Intl
Tue 8/19
6:41 am-10:30 am
Nonstop2h 49m
DenverSpokane
DEN - GEG
DENGEG
Denver Intl
Sun 7/20
9:42 am-11:03 am
Nonstop2h 21m
Spokane
Thu 7/24
11:58 am-3:17 pm
Nonstop2h 19m
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Wed 8/13
6:35 am-8:29 am
Nonstop2h 54m
Seattle/Tacoma Intl
Tue 8/19
7:10 am-10:55 am
Nonstop2h 45m
Colorado SpringsSeattle
COS - SEA
COSSEA
Colorado Springs
Fri 8/15
6:55 pm-12:15 am
1 stop6h 20m
Seattle/Tacoma Intl
Mon 8/18
6:30 am-2:55 pm
1 stop7h 25m
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Wed 8/13
12:46 pm-6:00 pm
1 stop6h 14m
Portland
Sat 8/16
5:35 am-11:51 am
1 stop5h 16m
DenverSpokane
DEN - GEG
DENGEG
Denver Intl
Tue 7/29
5:30 am-8:53 am
1 stop4h 23m
Spokane
Wed 8/6
5:10 pm-10:11 pm
1 stop4h 01m
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Fri 8/15
11:33 am-3:24 pm
1 stop4h 51m
Seattle/Tacoma Intl
Wed 8/20
10:15 am-2:06 pm
Nonstop2h 51m
Colorado SpringsSeattle
COS - SEA
COSSEA
Colorado Springs
Thu 7/31
5:55 pm-10:22 pm
1 stop5h 27m
Seattle/Tacoma Intl
Wed 8/6
1:30 pm-10:13 pm
1 stop7h 43m
Best time to book a flight from Colorado to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from Colorado with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Colorado to Washington
What is the cheapest month to book a flight from Colorado to State of Washington?
Currently, January is the cheapest month in which you can book a flight from Colorado to State of Washington (average of $238). Flying from Colorado to State of Washington in July is currently the most expensive (average of $391). 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 CO to WA?
Find hourly flight availability from Colorado 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 June 12, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to State of Washington as you normally would.
Weekly flight availability from Colorado to State of Washington
Explore weekly flight availability from Colorado to Washington. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.
The most flights from USCO to USWA are scheduled on a Wednesday (54 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).
Rainfall in Washington by month
Plan your trip to Washington by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.
Temperature in Washington by month
Plan your trip to Washington by taking into account the average temperature totals by month.
If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).
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 June 12, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Colorado to Washington have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
Overall
Food
Comfort
Entertainment
Boarding
Reviews
James,Apr 2025
LAX - SFO
Crew
Overall
Food
Comfort
Entertainment
Boarding
Reviews
James,Apr 2025
LAX - SFO
Crew
Overall
Food
Comfort
Entertainment
Boarding
Reviews
James,Apr 2025
LAX - SFO
Crew
Overall
Food
Comfort
Entertainment
Boarding
Reviews
James,Apr 2025
LAX - SFO
Crew
Overall
Food
Comfort
Entertainment
Boarding
Reviews
James,Apr 2025
LAX - SFO
Crew
Overall
Food
Comfort
Entertainment
Boarding
Reviews
James,Apr 2025
LAX - SFO
Related info for your journey
Find useful and relevant information for your journey from Colorado to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Colorado to Washington
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from Colorado to Washington
Discover the top 7 airlines that operate flights from Colorado 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 June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$58 | Average$166 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$104 | Average$340 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$118 | Average$312 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$133 | Average$373 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$148 | Average$481 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$156 | Average$406 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$199 | Average$417 | FlexibilityNo cancel fee | On-time71% |