How many flights depart from State of Washington to Colorado on average per week?

As of November 2025, 369 flights take off from State of Washington and land in Colorado each week. The most common flight departure day for this route is Mon, with 18% of weekly flights taking off on this day.

How many flights depart from State of Washington to Colorado on average per day?

52 flights are operational daily from State of Washington to Colorado as of November 2025. The most popular departure time for this route is 3:00PM, with 48% of flights per day taking off in the afternoon.

What is the cheapest airline that flies from Washington to Colorado?

Frontier, Delta, and Alaska Airlines are the most popular carriers operating from Washington to Colorado

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

Flight times from State of Washington to Colorado vary, but if you’re flying out of Spokane and flying into Denver (one of the most popular routes), then the duration is 2h 13m on average. Another popular route from State of Washington to Colorado is flying from Pasco to Denver, which will take roughly 2h 22m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Colorado?

Frontier, United Airlines and Delta are the top three most popular airlines that fly to Colorado from State of Washington according to our data. Frontier is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 7 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Washington to Colorado?

Prices for flights from Washington to Colorado refresh daily.

How many operators does momondo search for flights from Washington to Colorado?

The number of operators available for flights from Washington to Colorado is 7 as of November 2025.

How old do you have to be to fly from Washington to Colorado?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Colorado.

What documentation or ID do you need to fly to Colorado?

The required travel and health documents for your Colorado trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Colorado. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$24 Cheap Flights from Washington to Colorado in 2025/26

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

1:47 pm - 5:31 pmPAE-DEN

2h 44mnonstop

10:42 am - 12:52 pmDEN-PAE

3h 10mnonstop

$58Frontier

Find Deal

Fri, Jan 16 - Mon, Jan 19

12:45 pm - 4:38 pmPAE-DEN

2h 53mnonstop

9:36 am - 11:50 amDEN-PAE

3h 14mnonstop

$83Frontier

Find Deal

Mon, Dec 29 - Mon, Jan 5

8:42 pm - 3:58 amPAE-DEN

6h 16m1 stop

9:36 am - 11:50 amDEN-PAE

3h 14mnonstop

$84Frontier

Find Deal

Mon, Dec 15 - Mon, Jan 5

12:10 pm - 3:25 pmGEG-DEN

2h 15mnonstop

8:20 am - 9:50 amDEN-GEG

2h 30mnonstop

$117Southwest

Find Deal

Thu, Jan 8 - Sun, Jan 11

9:20 am - 5:34 pmGEG-DEN

7h 14m1 stop

6:29 am - 10:45 amDEN-GEG

5h 16m1 stop

$137Delta

Find Deal

Thu, Jan 8 - Sun, Jan 11

5:25 am - 11:17 amSEA-COS

4h 52m1 stop

12:00 pm - 4:38 pmCOS-SEA

5h 38m1 stop

$137Delta

Find Deal

Wed, Jan 14 - Sat, Jan 17

5:00 am - 12:28 pmSEA-DRO

6h 28m1 stop

1:45 pm - 9:12 pmDRO-SEA

8h 27m1 stop

$200United Airlines

Find Deal

Wed, Apr 29 - Wed, May 6

5:00 am - 12:28 pmSEA-DRO

6h 28m1 stop

5:30 am - 1:58 pmDRO-SEA

9h 28m2 stops

$206United Airlines

Find Deal

Wed, Apr 29 - Wed, May 6

6:12 pm - 11:44 amPSC-DEN

16h 32m1 stop

6:00 am - 10:51 amDEN-PSC

5h 51m1 stop

$277Alaska Airlines

Find Deal

Tue, Dec 2 - Fri, Dec 5

10:26 am - 11:16 amPSC-DEN

23h 50m1 stop

6:02 am - 12:17 amDEN-PSC

19h 15m1 stop

$283Alaska Airlines

Find Deal

Tue, Dec 30 - Thu, Jan 1

Frontier flights from State of Washington to Colorado

Our best Frontier deals on State of Washington to Colorado flight tickets

Frontier

Jan 16

PAE1:47 pmEverett Paine Field

2h 44m

DEN5:31 pmDenver Intl

Jan 19

DEN10:42 amDenver Intl

3h 10m

PAE12:52 pmEverett Paine Field

$58

Find similar

Frontier

Dec 29

PAE12:45 pmEverett Paine Field

2h 53m

DEN4:38 pmDenver Intl

Jan 5

DEN9:36 amDenver Intl

3h 14m

PAE11:50 amEverett Paine Field

$83

Find similar

Frontier

Dec 15

PAE8:42 pmEverett Paine Field

6h 16m

1 stop

DEN3:58 amDenver Intl

Jan 5

DEN9:36 amDenver Intl

3h 14m

PAE11:50 amEverett Paine Field

$84

Find similar

Delta flights from State of Washington to Colorado

Our best Delta deals on State of Washington to Colorado flight tickets

Delta

Dec 10

SEA7:40 amSeattle/Tacoma Intl

2h 52m

DEN11:32 amDenver Intl

Dec 10

DEN7:45 pmDenver Intl

3h 16m

SEA10:01 pmSeattle/Tacoma Intl

$109

Find similar

Delta

Dec 10

SEA11:15 amSeattle/Tacoma Intl

6h 43m

1 stop

DEN6:58 pmDenver Intl

Dec 14

DEN6:05 amDenver Intl

3h 10m

SEA8:15 amSeattle/Tacoma Intl

$123

Find similar

Delta

Jan 28

SEA4:55 pmSeattle/Tacoma Intl

4h 41m

1 stop

DEN10:36 pmDenver Intl

Feb 1

DEN6:29 amDenver Intl

3h 11m

SEA8:40 amSeattle/Tacoma Intl

$127

Find similar

Fly from

Fly to

Route

Depart

Return

Price

EverettDenver

PAE - DEN

PAEDEN

Everett Paine Field

Fri 1/16

1:47 pm-5:31 pm

Nonstop2h 44m

Denver Intl

Mon 1/19

10:42 am-12:52 pm

Nonstop3h 10m

$58

EverettDenver

PAE - DEN

PAEDEN

Everett Paine Field

Mon 12/29

12:45 pm-4:38 pm

Nonstop2h 53m

Denver Intl

Mon 1/5

9:36 am-11:50 am

Nonstop3h 14m

$83

EverettDenver

PAE - DEN

PAEDEN

Everett Paine Field

Mon 12/15

8:42 pm-3:58 am

1 stop6h 16m

Denver Intl

Mon 1/5

9:36 am-11:50 am

Nonstop3h 14m

$84

SpokaneDenver

GEG - DEN

GEGDEN

Spokane

Thu 1/8

12:10 pm-3:25 pm

Nonstop2h 15m

Denver Intl

Sun 1/11

8:20 am-9:50 am

Nonstop2h 30m

$117

SpokaneDenver

GEG - DEN

GEGDEN

Spokane

Thu 1/8

9:20 am-5:34 pm

1 stop7h 14m

Denver Intl

Sun 1/11

6:29 am-10:45 am

1 stop5h 16m

$137

SeattleColorado Springs

SEA - COS

SEACOS

Seattle/Tacoma Intl

Wed 1/14

5:25 am-11:17 am

1 stop4h 52m

Colorado Springs

Sat 1/17

12:00 pm-4:38 pm

1 stop5h 38m

$137

SeattleDurango

SEA - DRO

SEADRO

Seattle/Tacoma Intl

Wed 4/29

5:00 am-12:28 pm

1 stop6h 28m

Durango La Plata County

Wed 5/6

1:45 pm-9:12 pm

1 stop8h 27m

$200

SeattleDurango

SEA - DRO

SEADRO

Seattle/Tacoma Intl

Wed 4/29

5:00 am-12:28 pm

1 stop6h 28m

Durango La Plata County

Wed 5/6

5:30 am-1:58 pm

2 stops9h 28m

$206

PascoDenver

PSC - DEN

PSCDEN

Pasco Tri Cities

Tue 12/2

6:12 pm-11:44 am

1 stop16h 32m

Denver Intl

Fri 12/5

6:00 am-10:51 am

1 stop5h 51m

$277

PascoDenver

PSC - DEN

PSCDEN

Pasco Tri Cities

Tue 12/30

10:26 am-11:16 am

1 stop23h 50m

Denver Intl

Thu 1/1

6:02 am-12:17 am

1 stop19h 15m

$283

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington to Colorado

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Colorado?

The month of January is, on average, the cheapest month to fly to Colorado from State of Washington, with most prices found around $188. The month of October is another great option to travel to Colorado, with average flight prices from State of Washington averaging around $196.

What is the cheapest day to depart on your flight to Colorado?

The cheapest day to depart from State of Washington to Colorado is on a Friday when prices can be found for as low as $277. On the other hand, Monday is the most expensive day to depart from State of Washington because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $344.

What is the cheapest time of day to depart on your flight to Colorado?

The cheapest time of day to fly to Colorado is at noon when flights can be purchased for as low as $238. In the morning is when there is more demand to fly to Colorado, so prices are often more expensive at around $332 per ticket.

What is the cheapest Washington to Colorado flight route?

Fly from Seattle/Tacoma Intl to Denver Intl for the best Washington - Colorado flight prices

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

You are more likely to see cheaper flights to Colorado from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around $217 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from State of Washington for as low as $178 on momondo.

What cabin class options are available on Washington to Colorado flights?

There are 4 cabin classes available to choose from on Washington to Colorado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on State of Washington to Colorado flights?

No. A direct flight is the cheapest option for a flight between State of Washington to Colorado.

Cheap State of Washington to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Colorado

Best Price Found	$86
Fastest flight time	2h 10m
Direct flights	Every day
Airports in Colorado	1 airport

The best one-way flight to Colorado from State of Washington in the past 72 hours is $86. The best round-trip flight deal from State of Washington to Colorado found on momondo in the last 72 hours is $144.

The fastest flight from State of Washington to Colorado takes 2h 10m

Direct flights go from State of Washington to Colorado every day.

There is 1 airport near Colorado: Denver Intl (DEN)

Search flight deals

When did momondo last update prices for flights from Washington to Colorado?
Prices for flights from Washington to Colorado refresh daily.
How many operators does momondo search for flights from Washington to Colorado?
The number of operators available for flights from Washington to Colorado is 7 as of November 2025.
How old do you have to be to fly from Washington to Colorado?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Colorado.
What documentation or ID do you need to fly to Colorado?
The required travel and health documents for your Colorado trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Colorado. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from State of Washington to Colorado?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from State of Washington to Colorado is Boeing 737 MAX 9 (12.75% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (12.64%), Airbus A321neo (11.03%), and Boeing 737-900 Passenger/BBJ3 (winglets) (10.38%).

Best airlines flying from State of Washington to Colorado

Compare and see reviews for airlines that fly from State of Washington to Colorado with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $61	Free Cancellation	Rating 5.8 3,104 reviews	Search Frontier flights
Hawaiian Airlines	PriceFrom $87	Free Cancellation	Rating 7.8 2,809 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $118	Free Cancellation	Rating 7.9 8,006 reviews	Search Delta flights
Southwest	PriceFrom $119	Free Cancellation	Rating 8.0 4,244 reviews	Search Southwest flights
United Airlines	PriceFrom $149	Free Cancellation	Rating 7.4 9,014 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $167	Free Cancellation	Rating 8.0 11,311 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $216	Free Cancellation	Rating 7.2 11,044 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Colorado?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington to Colorado. momondo saves you time and could save you money on your trip.

Can I find flights from Washington to Colorado with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington to Colorado flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington to Colorado?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington to Colorado.

I’m not ready to book a flight from Washington to Colorado right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Colorado from Washington. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Colorado trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular cities in Colorado

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Flights to Dallasfrom $48

Flights to Seattlefrom $58

State of Washington flight routes

Flights from Seattle/Tacoma Intl to Santa Rosa Sonoma County

Flights from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl

Flights from Seattle/Tacoma Intl to Spokane

Flights from Seattle/Tacoma Intl to Portland

Flights from Seattle/Tacoma Intl to Phoenix Sky Harbor Intl

Flights from Seattle/Tacoma Intl to Oakland

Cheap flights from Washington to Colorado from $24

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Colorado departing on 12/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

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Cheap round-trip flights

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Frontier flights from State of Washington to Colorado

Our best Frontier deals on State of Washington to Colorado flight tickets

Delta flights from State of Washington to Colorado

Our best Delta deals on State of Washington to Colorado flight tickets

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How to get the cheapest flight ticket from State of Washington to Colorado

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Colorado?

The month of January is, on average, the cheapest month to fly to Colorado from State of Washington, with most prices found around $188. The month of October is another great option to travel to Colorado, with average flight prices from State of Washington averaging around $196.

What is the cheapest day to depart on your flight to Colorado?

What is the cheapest time of day to depart on your flight to Colorado?

The cheapest time of day to fly to Colorado is at noon when flights can be purchased for as low as $238. In the morning is when there is more demand to fly to Colorado, so prices are often more expensive at around $332 per ticket.

What is the cheapest Washington to Colorado flight route?

Fly from Seattle/Tacoma Intl to Denver Intl for the best Washington - Colorado flight prices

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

What cabin class options are available on Washington to Colorado flights?

There are 4 cabin classes available to choose from on Washington to Colorado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on State of Washington to Colorado flights?

No. A direct flight is the cheapest option for a flight between State of Washington to Colorado.

What is the cheapest airline that flies from Washington to Colorado?

Frontier, Delta, and Alaska Airlines are the most popular carriers operating from Washington to Colorado

What airlines fly to Colorado?

How many flights depart from State of Washington to Colorado on average per day?

52 flights are operational daily from State of Washington to Colorado as of November 2025. The most popular departure time for this route is 3:00PM, with 48% of flights per day taking off in the afternoon.

How many flights depart from State of Washington to Colorado on average per week?

As of November 2025, 369 flights take off from State of Washington and land in Colorado each week. The most common flight departure day for this route is Mon, with 18% of weekly flights taking off on this day.

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

Cheap State of Washington to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Colorado

Best Price Found

Fastest flight time

Direct flights

Airports in Colorado

When did momondo last update prices for flights from Washington to Colorado?

How many operators does momondo search for flights from Washington to Colorado?

How old do you have to be to fly from Washington to Colorado?

What documentation or ID do you need to fly to Colorado?

What is the most popular plane model from State of Washington to Colorado?

Best airlines flying from State of Washington to Colorado

Compare and see reviews for airlines that fly from State of Washington to Colorado with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Colorado?

Can I find flights from Washington to Colorado with flexible booking policies on momondo?

How can momondo help me find flights from Washington to Colorado?

I’m not ready to book a flight from Washington to Colorado right now. Can momondo alert me if prices change?

An easier way to manage your Colorado trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Colorado

Popular cities in Colorado

Popular flights according to clicks in the last 7 days on momondo