What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Colorado Springs one-way?

One-way options have recently been found by users for as low as $100 on American Airlines. Other airlines that offer cheap prices include Delta from $141 and United Airlines from $143 one-way.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Colorado Springs?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Colorado Springs flight should consider departing on Saturday afternoons when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Colorado Springs?

When booking a flight from Washington, D.C. Dulles Intl Airport to Colorado Springs, you may want to consider flying on American Airlines, Delta or United Airlines as they are the most popular for this route.

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Colorado Springs?

Users have found that leaving on a Friday can be a cost-effective option. It’s possible to save up to 68% on your flight compared to booking on days when demand is much higher.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Colorado Springs?

September is one of the best times of the year to fly to Colorado Springs from Washington, D.C. Dulles Intl Airport. Prices for September average $282 per person but you can even find prices for as low as $85. The most expensive prices can be found in the month of December. Opting for a September flight can save you 25% on your journey compared to booking in December

What airport do you fly into for flights to Colorado Springs from Washington, D.C. Dulles Intl?

Located just 6.7 mi from the city center, Colorado Springs is the airport most travelers will use when flying to Colorado Springs from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Colorado Springs (COS) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 4 different airlines.

Can I find deals for flights from Dulles Intl to Colorado Springs that include hotel bookings?

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

How can I find direct flights from Dulles Intl to Colorado Springs?

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

Can I find deals for business class flights from Dulles Intl to Colorado Springs?

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

$100+ Flights from Washington, D.C. Dulles Intl Airport to Colorado Springs

Q: How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Colorado Springs?

Travelers have found it’s best to book a flight 38 days in advance to save up to 43% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 38 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Washington, D.C. Dulles Intl Airport to Colorado Springs 1-2 weeks in advance for as low as $256, or $383 for flights within the next 24 hours.

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1. Tell us where you want to go

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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.

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Colorado Springs are usually found in January or October, booked 44 days in advance, depart on a Saturday or Tuesday and return on a Wednesday

Cheap flight deals from Dulles Intl to Colorado Springs

Round-trip from	$242 (American Airlines)
One-way from	$100 (American Airlines)
Popular in	December
Cheapest in	January
Average price	$427

From Washington, D.C. Dulles Intl to Colorado Springs

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One-way flight from Washington, D.C. Dulles Intl to Colorado Springs

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Highest demand for flights based on searches. 12% potential increase in price ($61 potential increase over avg. RT price).

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Cheapest flight prices on average. 6% potential price decrease ($24 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Find flight deals from Dulles Intl to Colorado Springs

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

Tue 8/267:44 amIAD - COS

2 stops10h 44mAmerican Airlines

Wed 9/36:02 amCOS - IAD

1 stop8h 48mAmerican Airlines

Deal found 6/12

$242

Fri 7/44:10 pmIAD - COS

1 stop5h 45mSouthwest

Tue 7/1511:20 amCOS - IAD

1 stop5h 05mSouthwest

Deal found 6/11

$244

Sun 9/76:15 amIAD - COS

1 stop6h 01mDelta

Wed 9/176:00 amCOS - IAD

1 stop5h 57mDelta

Deal found 6/11

$263

Mon 8/48:06 pmIAD - COS

1 stop5h 46mUnited Airlines

Sat 8/96:05 amCOS - IAD

1 stop5h 44mUnited Airlines

Deal found 6/9

$274

Best flights from Dulles Intl to Colorado Springs
Discover carefully curated flight deals from Dulles Intl to Colorado Springs that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Wed 9/32:21 pmIAD - COS

2 stops9h 47mAmerican Airlines

Tue 9/912:16 pmCOS - IAD

1 stop8h 33mAmerican Airlines

Deal found 6/12

$242

Fri 7/44:10 pmIAD - COS

1 stop5h 45mSouthwest

Tue 7/1511:20 amCOS - IAD

1 stop5h 05mSouthwest

Deal found 6/11

$244

Fri 7/43:31 pmIAD - COS

1 stop7h 26mDelta

Tue 7/226:00 amCOS - IAD

1 stop8h 25mDelta

Deal found 6/11

$263

Mon 8/48:06 pmIAD - COS

1 stop5h 46mUnited Airlines

Sat 8/96:05 amCOS - IAD

1 stop5h 44mUnited Airlines

Deal found 6/9

$274

Last-minute flights from Dulles Intl to Colorado Springs
Discover last-minute flight deals from Dulles Intl to Colorado Springs. Data last updated June 12, 2025 and is based on user searches.

Thu 6/195:41 pmIAD - COS

2 stops8h 14mAmerican Airlines

Thu 6/265:00 amCOS - IAD

2 stops10h 11mAmerican Airlines

Deal found 6/12

$573

Sat 6/216:20 amIAD - COS

1 stop5h 42mDelta

Wed 7/22:28 pmCOS - IAD

1 stop6h 46mDelta

Deal found 6/10

$473

Sat 6/215:36 pmIAD - COS

1 stop6h 15mUnited Airlines

Wed 6/253:47 pmCOS - IAD

1 stop6h 47mUnited Airlines

Deal found 6/11

$529

Sat 6/217:00 pmIAD - COS

1 stop5h 30mSouthwest

Sun 6/296:55 amCOS - IAD

1 stop10h 15mSouthwest

Deal found 6/11

$563

Fri 7/44:10 pmIAD - COS

1 stop5h 45mSouthwest

Tue 7/1511:20 amCOS - IAD

1 stop5h 05mSouthwest

Deal found 6/11

$244

Fri 7/43:31 pmIAD - COS

1 stop7h 26mDelta

Tue 7/226:00 amCOS - IAD

1 stop8h 25mDelta

Deal found 6/11

$263

Wed 7/96:44 pmIAD - COS

1 stop7h 08mAmerican Airlines

Mon 7/145:00 amCOS - IAD

2 stops10h 09mAmerican Airlines

Deal found 6/10

$358

Fri 7/116:30 amIAD - COS

1 stop6h 25mUnited Airlines

Fri 7/115:20 pmCOS - IAD

1 stop5h 25mUnited Airlines

Deal found 6/10

$289

One-way flights from Dulles Intl to Colorado Springs
Search for one-way flight options from Dulles Intl to Colorado Springs. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Sun 8/316:04 pmIAD - COS

1 stop7h 40mAmerican Airlines

Deal found 6/10

$100

Sat 9/63:26 pmIAD - COS

1 stop7h 15mDelta

Deal found 6/10

$141

Thu 8/286:35 amIAD - COS

1 stop6h 21mUnited Airlines

Deal found 6/10

$143

Thu 7/175:00 amIAD - COS

1 stop8h 10mSouthwest

Deal found 6/10

$170

Thu 8/2112:55 pmIAD - COS

3 stops29h 00mMultiple Airlines

Deal found 6/11

$182

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Colorado Springs that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Tue 8/26

7:44 am-4:28 pm

2 stops10h 44m

Colorado Springs

Wed 9/3

6:02 am-4:50 pm

1 stop8h 48m

$242

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Fri 7/4

4:10 pm-7:55 pm

1 stop5h 45m

Colorado Springs

Tue 7/15

11:20 am-6:25 pm

1 stop5h 05m

$244

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Sun 9/7

6:15 am-10:16 am

1 stop6h 01m

Colorado Springs

Wed 9/17

6:00 am-1:57 pm

1 stop5h 57m

$263

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Mon 8/4

8:06 pm-11:52 pm

1 stop5h 46m

Colorado Springs

Sat 8/9

6:05 am-1:49 pm

1 stop5h 44m

$274

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Sun 8/31

6:04 pm-11:44 pm

1 stop7h 40m

$100

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Tue 9/9

6:00 am-12:12 pm

1 stop8h 12m

$119

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Thu 8/28

6:35 am-10:56 am

1 stop6h 21m

$143

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Thu 7/17

5:00 am-11:10 am

1 stop8h 10m

$170

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Thu 8/21

12:55 pm-3:55 pm

3 stops29h 00m

$182

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Dulles Intl to Colorado Springs

Have a flexible travel schedule? Discover the best time to fly to Colorado Springs from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Colorado Springs

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Colorado Springs?

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Colorado Springs, you should look to book at least 44 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Colorado Springs?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Colorado Springs (average of $316). Flying from Washington, D.C. Dulles Intl Airport to Colorado Springs in June is currently the most expensive (average of $413). 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 IAD to COS?

Unlike at noon, when flights are generally more expensive, you can save up to 29% on flights from Washington, D.C. Dulles Intl Airport to Colorado Springs by exploring options for tickets in the afternoon.

Rainfall in Colorado Springs by month

In terms of precipitation, rainfall in Colorado Springs ranges from 0.3 - 3.3 inches per month. August is typically the wettest month, when rainfall can reach 3.3 in. January is typically the driest time to visit Colorado Springs when rainfall is around 0.3 in.

Temperature in Colorado Springs by month

If weather is an important factor for your trip to Colorado Springs, 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 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Colorado Springs

Read reviews from past customers who have flown Southwest, Delta and United Airlines from Washington, D.C. to Colorado Springs. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Southwest

8.0

Very good

4,287 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Delta

8.0

Very good

7,950 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

United Airlines

7.4

Good

8,790 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

What airport do you fly into for flights to Colorado Springs from Washington, D.C. Dulles Intl?
Located just 6.7 mi from the city center, Colorado Springs is the airport most travelers will use when flying to Colorado Springs from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Colorado Springs (COS) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 4 different airlines.
What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Colorado Springs round-trip?
According to our current data, American Airlines ($242), Southwest ($244), and Delta ($263) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Colorado Springs. American Airlines is currently priced 42% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Colorado Springs one-way?
One-way options have recently been found by users for as low as $100 on American Airlines. Other airlines that offer cheap prices include Delta from $141 and United Airlines from $143 one-way.
Can I find deals for flights from Dulles Intl to Colorado Springs that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Colorado Springs flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Colorado Springs?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Colorado Springs.
Can I find deals for business class flights from Dulles Intl to Colorado Springs?
Yes. Cheapflights offers flight deals from Dulles Intl to Colorado Springs 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 Washington, D.C. Dulles Intl Airport to Colorado Springs?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Colorado Springs (average of $316). Flying from Washington, D.C. Dulles Intl Airport to Colorado Springs in June is currently the most expensive (average of $413). 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.

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Top 4 airlines flying from Dulles Intl to Colorado Springs

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$208	Average$376	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$236	Average$293	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$271	Average$419	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$288	Average$486	FlexibilityNo cancel fee	On-time63%

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$100+ Cheap flights from Dulles Intl (IAD) to Colorado Springs (COS)

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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Colorado Springs with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Colorado Springs are usually found in January or October, booked 44 days in advance, depart on a Saturday or Tuesday and return on a Wednesday

Cheap flight deals from Dulles Intl to Colorado Springs

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Dulles Intl to Colorado Springs

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

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Colorado Springs that are best for you.

Best time to book a flight from Dulles Intl to Colorado Springs

Have a flexible travel schedule? Discover the best time to fly to Colorado Springs from Dulles Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Colorado Springs

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Colorado Springs?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Colorado Springs. Price data was last updated on June 9, 2025.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Colorado Springs?

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

Find hourly flight availability from Dulles Intl to Colorado Springs. 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.

Rainfall in Colorado Springs by month

Plan your trip to Colorado Springs by taking into account the average rainfall totals by month.

Temperature in Colorado Springs by month

Plan your trip to Colorado Springs by taking into account the average temperature totals by month.

Reviews of airlines servicing Colorado Springs

Read reviews from past customers who have flown Southwest, Delta and United Airlines from Washington, D.C. to Colorado Springs. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Colorado Springs. 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 into for flights to Colorado Springs from Washington, D.C. Dulles Intl?

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Colorado Springs round-trip?

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Colorado Springs one-way?

Can I find deals for flights from Dulles Intl to Colorado Springs that include hotel bookings?

How can I find direct flights from Dulles Intl to Colorado Springs?

Can I find deals for business class flights from Dulles Intl to Colorado Springs?

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Colorado Springs?

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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Alternative routes for Dulles Intl to Colorado Springs

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

Top 4 airlines flying from Dulles Intl to Colorado Springs

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