How many flights depart from Washington, D.C. to Colorado on average per day?

36 flights are operational daily from Washington, D.C. to Colorado as of August 2025. The most popular departure time for this route is 3:00PM, with 50% of flights per day taking off in the afternoon.

How long is the flight from Washington, D.C. to Colorado?

Flight times from Washington, D.C. to Colorado vary, but if you’re flying out of Washington, D.C. and flying into Denver (one of the most popular routes), then the duration is 3h 45m on average. Another popular route from Washington, D.C. to Colorado is flying from Baltimore to Denver, which will take roughly 3h 48m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Colorado?

United Airlines, Frontier and Southwest are the top three most popular airlines that fly to Colorado from Washington, D.C. according to our data. United Airlines is the first choice among our users, with 38% 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.

How many flights depart from Washington, D.C. to Colorado on average per week?

The number of flights available between Washington, D.C. and Colorado is 256 per week as of August 2025. The most frequent departure day is Fri, with 19% of weekly flights leaving on this day.

What is the cheapest airline that flies from Washington, D.C. to Colorado?

Frontier, Southwest, and United Airlines are the most popular carriers operating from Washington, D.C. to Colorado

When did momondo last update prices for flights from Washington, D.C. to Colorado?

Prices for flights from Washington, D.C. to Colorado are updated daily.

How many operators does momondo search for flights from Washington, D.C. to Colorado?

The number of operators available for flights from Washington, D.C. to Colorado is 7 as of August 2025.

How old do you have to be to fly from Washington, D.C. to Colorado?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. to Colorado.

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

The travel and health documents you'll need for your trip to Colorado may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Colorado. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$55 Cheap Flights from Washington, D.C. to Colorado in 2025

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Find the cheapest flights from Washington, D.C. to Colorado

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

1:00 pm - 3:00 pmDCA-DEN

4h 00mnonstop

4:30 pm - 9:59 pmDEN-DCA

3h 29mnonstop

$89Frontier

Find Deal

Sat, Sep 27 - Tue, Sep 30

1:00 pm - 3:07 pmDCA-DEN

4h 07mnonstop

11:35 am - 5:01 pmDEN-DCA

3h 26mnonstop

$100Frontier

Find Deal

Sat, Nov 1 - Mon, Nov 3

7:00 am - 8:40 amIAD-DEN

3h 40mnonstop

9:40 am - 3:00 pmDEN-IAD

3h 20mnonstop

$177Southwest

Find Deal

Sat, Aug 30 - Sat, Sep 6

5:47 pm - 7:38 pmIAD-DEN

3h 51mnonstop

11:59 pm - 5:22 amDEN-IAD

3h 23mnonstop

$188United Airlines

Find Deal

Mon, Sep 8 - Wed, Sep 10

6:11 am - 11:46 amIAD-DEN

7h 35m1 stop

2:48 pm - 10:51 pmDEN-IAD

6h 03m1 stop

$191American Airlines

Find Deal

Sat, Oct 25 - Sat, Oct 25

5:40 pm - 10:09 pmIAD-DEN

6h 29m1 stop

7:20 am - 4:47 pmDEN-IAD

7h 27m1 stop

$195American Airlines

Find Deal

Wed, Sep 24 - Sat, Sep 27

2:25 pm - 4:05 pmIAD-DEN

3h 40mnonstop

5:30 pm - 10:50 pmDEN-IAD

3h 20mnonstop

$197Southwest

Find Deal

Tue, Sep 16 - Thu, Sep 18

10:14 pm - 11:59 pmIAD-DEN

3h 45mnonstop

10:12 am - 3:34 pmDEN-IAD

3h 22mnonstop

$217United Airlines

Find Deal

Wed, Aug 27 - Sat, Aug 30

7:05 am - 12:00 pmIAD-DEN

6h 55m1 stop

12:45 am - 8:59 amDEN-IAD

6h 14m1 stop

$237Delta

Find Deal

Wed, Sep 24 - Mon, Sep 29

6:15 am - 10:16 amBWI-COS

6h 01m1 stop

5:55 pm - 9:13 amCOS-BWI

13h 18m2 stops

$247Delta

Find Deal

Tue, Sep 2 - Mon, Sep 15

Frontier flights from Washington, D.C. to Colorado

Our best Frontier deals on Washington, D.C. to Colorado flight tickets

Frontier

Sep 27

DCA1:00 pmWashington, D.C. Reagan-National

4h 00m

DEN3:00 pmDenver Intl

Sep 30

DEN4:30 pmDenver Intl

3h 29m

DCA9:59 pmWashington, D.C. Reagan-National

$89

Find similar

Frontier

Nov 1

DCA1:00 pmWashington, D.C. Reagan-National

4h 07m

DEN3:07 pmDenver Intl

Nov 3

DEN11:35 amDenver Intl

3h 26m

DCA5:01 pmWashington, D.C. Reagan-National

$100

Find similar

Frontier

Sep 27

DCA7:00 amWashington, D.C. Reagan-National

3h 58m

DEN8:58 amDenver Intl

Sep 27

DEN11:25 amDenver Intl

3h 34m

DCA4:59 pmWashington, D.C. Reagan-National

$104

Find similar

American Airlines flights from Washington, D.C. to Colorado

Our best American Airlines deals on Washington, D.C. to Colorado flight tickets

American Airlines

Oct 25

IAD6:11 amWashington, D.C. Dulles Intl

7h 35m

1 stop

DEN11:46 amDenver Intl

Oct 25

DEN2:48 pmDenver Intl

6h 03m

1 stop

IAD10:51 pmWashington, D.C. Dulles Intl

$191

Find similar

American Airlines

Sep 24

IAD5:40 pmWashington, D.C. Dulles Intl

6h 29m

1 stop

DEN10:09 pmDenver Intl

Sep 27

DEN7:20 amDenver Intl

7h 27m

1 stop

IAD4:47 pmWashington, D.C. Dulles Intl

$195

Find similar

American Airlines

Aug 30

IAD11:51 amWashington, D.C. Dulles Intl

7h 56m

1 stop

DEN5:47 pmDenver Intl

Sep 6

DEN8:27 amDenver Intl

6h 20m

1 stop

IAD4:47 pmWashington, D.C. Dulles Intl

$196

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Sat 9/27

1:00 pm-3:00 pm

Nonstop4h 00m

Denver Intl

Tue 9/30

4:30 pm-9:59 pm

Nonstop3h 29m

$89

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Sat 11/1

1:00 pm-3:07 pm

Nonstop4h 07m

Denver Intl

Mon 11/3

11:35 am-5:01 pm

Nonstop3h 26m

$100

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Sat 8/30

7:00 am-8:40 am

Nonstop3h 40m

Denver Intl

Sat 9/6

9:40 am-3:00 pm

Nonstop3h 20m

$177

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Mon 9/8

5:47 pm-7:38 pm

Nonstop3h 51m

Denver Intl

Wed 9/10

11:59 pm-5:22 am

Nonstop3h 23m

$188

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Sat 10/25

6:11 am-11:46 am

1 stop7h 35m

Denver Intl

Sat 10/25

2:48 pm-10:51 pm

1 stop6h 03m

$191

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Wed 9/24

5:40 pm-10:09 pm

1 stop6h 29m

Denver Intl

Sat 9/27

7:20 am-4:47 pm

1 stop7h 27m

$195

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Tue 9/16

2:25 pm-4:05 pm

Nonstop3h 40m

Denver Intl

Thu 9/18

5:30 pm-10:50 pm

Nonstop3h 20m

$197

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Wed 8/27

10:14 pm-11:59 pm

Nonstop3h 45m

Denver Intl

Sat 8/30

10:12 am-3:34 pm

Nonstop3h 22m

$217

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Wed 9/24

7:05 am-12:00 pm

1 stop6h 55m

Denver Intl

Mon 9/29

12:45 am-8:59 am

1 stop6h 14m

$237

BaltimoreColorado Springs

BWI - COS

BWICOS

Baltimore/Washington

Tue 9/2

6:15 am-10:16 am

1 stop6h 01m

Colorado Springs

Mon 9/15

5:55 pm-9:13 am

2 stops13h 18m

$247

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How to get the cheapest flight ticket from Washington, D.C. 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 September is, on average, the cheapest month to fly to Colorado from Washington, D.C., with most prices found around $231. The month of August is another great option to travel to Colorado, with average flight prices from Washington, D.C. averaging around $240.

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

The cheapest day to depart from Washington, D.C. to Colorado is on a Friday when prices can be found for as low as $388. On the other hand, Sunday is the most expensive day to depart from Washington, D.C. because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $548.

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 $240. In the morning is when there is more demand to fly to Colorado, so prices are often more expensive at around $506 per ticket.

What is the cheapest Washington, D.C. to Colorado flight route?

Fly from Washington, D.C. Dulles Intl to Denver Intl for the best Washington, D.C. - 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 Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around $324 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Washington, D.C. for as low as $250 on momondo.

What cabin class options are available on Washington, D.C. to Colorado flights?

There are 4 cabin classes available to choose from on Washington, D.C. 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 Washington, D.C. to Colorado flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. to Colorado.

Cheap Washington, D.C. to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Colorado

Best Price Found	$55
Fastest flight time	3h 35m
Direct flights	Every day
Airports in Colorado	2 airports

The best one-way flight to Colorado from Washington, D.C. in the past 72 hours is $55. The best round-trip flight deal from Washington, D.C. to Colorado found on momondo in the last 72 hours is $89.

The fastest flight from Washington, D.C. to Colorado takes 3h 35m

Direct flights go from Washington, D.C. to Colorado every day.

There are 2 airports near Colorado: Colorado Springs (COS), Denver Intl (DEN)

Search flight deals

When did momondo last update prices for flights from Washington, D.C. to Colorado?
Prices for flights from Washington, D.C. to Colorado are updated daily.
How many operators does momondo search for flights from Washington, D.C. to Colorado?
The number of operators available for flights from Washington, D.C. to Colorado is 7 as of August 2025.
How old do you have to be to fly from Washington, D.C. to Colorado?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. to Colorado.
What documentation or ID do you need to fly to Colorado?
The travel and health documents you'll need for your trip to Colorado may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Colorado. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Washington, D.C. to Colorado?
Based on momondo bookings for flights between Washington, D.C. and Colorado, the leading plane model is Boeing 737 MAX 8, making up 13.46% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 12.14%, Boeing 737-900 with 11.82%, and Airbus A321neo with 11.13%.

Best airlines flying from Washington, D.C. to Colorado

Compare and see reviews for airlines that fly from Washington, D.C. to Colorado with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $89	Free Cancellation	Rating 5.8 3,241 reviews	Search Frontier flights
JetBlue	PriceFrom $128	Free Cancellation	Rating 7.2 2,915 reviews	Search JetBlue flights
Sun Country Air	PriceFrom $155	Free Cancellation	Rating 6.9 334 reviews	Search Sun Country Air flights
American Airlines	PriceFrom $166	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $190	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights
United Airlines	PriceFrom $193	Free Cancellation	Rating 7.4 8,904 reviews	Search United Airlines flights
Delta	PriceFrom $216	Free Cancellation	Rating 8.0 7,983 reviews	Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Colorado?

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

Can I find flights from Washington, D.C. to Colorado with flexible booking policies on momondo?

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

How can momondo help me find flights from Washington, D.C. to Colorado?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Colorado from Washington, D.C..

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

Yes momondo offers price alerts on flights to Colorado from Washington, D.C.. 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.

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Popular cities in Colorado

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Flights to Washington, D.C.from $48

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Cheap flights from Washington, D.C. to Colorado from $55

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, D.C. to Colorado departing on 9/6. 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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Find the cheapest flights from Washington, D.C. to Colorado

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Frontier flights from Washington, D.C. to Colorado

Our best Frontier deals on Washington, D.C. to Colorado flight tickets

American Airlines flights from Washington, D.C. to Colorado

Our best American Airlines deals on Washington, D.C. to Colorado flight tickets

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How to get the cheapest flight ticket from Washington, D.C. 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 September is, on average, the cheapest month to fly to Colorado from Washington, D.C., with most prices found around $231. The month of August is another great option to travel to Colorado, with average flight prices from Washington, D.C. averaging around $240.

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 $240. In the morning is when there is more demand to fly to Colorado, so prices are often more expensive at around $506 per ticket.

What is the cheapest Washington, D.C. to Colorado flight route?

Fly from Washington, D.C. Dulles Intl to Denver Intl for the best Washington, D.C. - Colorado flight prices

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

What cabin class options are available on Washington, D.C. to Colorado flights?

There are 4 cabin classes available to choose from on Washington, D.C. 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 Washington, D.C. to Colorado flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. to Colorado.

What is the cheapest airline that flies from Washington, D.C. to Colorado?

Frontier, Southwest, and United Airlines are the most popular carriers operating from Washington, D.C. to Colorado

What airlines fly to Colorado?

How many flights depart from Washington, D.C. to Colorado on average per day?

36 flights are operational daily from Washington, D.C. to Colorado as of August 2025. The most popular departure time for this route is 3:00PM, with 50% of flights per day taking off in the afternoon.

How many flights depart from Washington, D.C. to Colorado on average per week?

The number of flights available between Washington, D.C. and Colorado is 256 per week as of August 2025. The most frequent departure day is Fri, with 19% of weekly flights leaving on this day.

How long is the flight from Washington, D.C. to Colorado?

Cheap Washington, D.C. to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Colorado

Best Price Found

Fastest flight time

Direct flights

Airports in Colorado

When did momondo last update prices for flights from Washington, D.C. to Colorado?

How many operators does momondo search for flights from Washington, D.C. to Colorado?

How old do you have to be to fly from Washington, D.C. to Colorado?

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

What is the most popular plane model from Washington, D.C. to Colorado?

Best airlines flying from Washington, D.C. to Colorado

Compare and see reviews for airlines that fly from Washington, D.C. to Colorado with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Colorado?

Can I find flights from Washington, D.C. to Colorado with flexible booking policies on momondo?

How can momondo help me find flights from Washington, D.C. to Colorado?

I’m not ready to book a flight from Washington, D.C. 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