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), United Airlines ($244), and Delta ($254) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Colorado Springs. American Airlines is currently priced 41% 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 $118 on American Airlines. Other airlines that offer cheap prices include Delta from $124 and United Airlines from $157 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.

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.

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).

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 $283 per person but you can even find prices for as low as $86. 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.

$118+ 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 $250, or $383 for flights within the next 24 hours.

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Find cheap flights from Dulles Intl to Colorado Springs 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

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Colorado Springs are usually found in October or January, 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	$118 (American Airlines)
Popular in	December
Cheapest in	October
Average price	$422

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. 10% potential increase in price ($49 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 July 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 July 3, 2025.

Tue 8/56:30 amIAD - COS

1 stop6h 25mUnited Airlines

Tue 8/125:20 pmCOS - IAD

1 stop5h 25mUnited Airlines

Deal found 7/3

$237

Tue 8/266:15 amIAD - COS

1 stop6h 01mDelta

Wed 9/311:11 amCOS - IAD

2 stops10h 10mDelta

Deal found 7/3

$242

Tue 9/92:21 pmIAD - COS

2 stops9h 47mAmerican Airlines

Sat 9/1312:32 pmCOS - IAD

1 stop8h 13mAmerican Airlines

Deal found 7/1

$249

Fri 8/156:50 pmIAD - COS

1 stop5h 45mSouthwest

Mon 8/186:25 amCOS - IAD

1 stop7h 20mSouthwest

Deal found 6/30

$288

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 July 3, 2025.

Wed 9/311:18 amIAD - COS

2 stops12h 50mAmerican Airlines

Tue 9/912:32 pmCOS - IAD

1 stop8h 13mAmerican Airlines

Deal found 7/2

$242

Tue 9/912:35 pmIAD - COS

1 stop5h 24mUnited Airlines

Sat 9/1310:30 amCOS - IAD

1 stop6h 43mUnited Airlines

Deal found 7/1

$244

Tue 9/92:15 pmIAD - COS

2 stops10h 03mDelta

Sat 9/138:15 amCOS - IAD

2 stops13h 02mDelta

Deal found 7/1

$254

Mon 8/184:30 pmIAD - COS

1 stop7h 15mSouthwest

Thu 8/216:25 amCOS - IAD

1 stop7h 20mSouthwest

Deal found 7/2

$263

Last-minute flights from Dulles Intl to Colorado Springs
Discover last-minute flight deals from Dulles Intl to Colorado Springs. Data last updated July 3, 2025 and is based on user searches.

Wed 7/95:20 pmIAD - COS

1 stop6h 03mDelta

Wed 7/235:55 pmCOS - IAD

2 stops13h 04mDelta

Deal found 7/2

$454

Wed 7/96:35 amIAD - COS

1 stop6h 33mUnited Airlines

Wed 7/235:20 pmCOS - IAD

1 stop5h 25mUnited Airlines

Deal found 7/2

$526

Sun 7/135:50 amIAD - COS

1 stop7h 25mSouthwest

Wed 7/167:20 amCOS - IAD

2 stops9h 05mSouthwest

Deal found 6/30

$563

Sun 7/136:27 amIAD - COS

1 stop7h 48mAmerican Airlines

Thu 7/1712:45 pmCOS - IAD

1 stop8h 01mAmerican Airlines

Deal found 7/1

$594

Tue 8/56:20 amIAD - COS

1 stop5h 39mDelta

Tue 8/195:55 pmCOS - IAD

2 stops13h 17mDelta

Deal found 7/2

$242

Sun 8/106:35 amIAD - COS

1 stop6h 33mUnited Airlines

Fri 8/153:35 pmCOS - IAD

1 stop5h 35mUnited Airlines

Deal found 7/2

$289

Mon 8/184:30 pmIAD - COS

1 stop7h 15mSouthwest

Thu 8/216:25 amCOS - IAD

1 stop7h 20mSouthwest

Deal found 7/2

$263

Wed 8/2010:25 amIAD - COS

2 stops9h 55mAmerican Airlines

Mon 8/256:27 amCOS - IAD

2 stops10h 25mAmerican Airlines

Deal found 7/2

$247

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 July 3, 2025.

Tue 10/2111:41 amIAD - COS

1 stop6h 17mAmerican Airlines

Deal found 7/1

$118

Tue 9/92:15 pmIAD - COS

2 stops10h 03mDelta

Deal found 7/2

$124

Thu 11/276:30 amIAD - COS

1 stop6h 56mUnited Airlines

Deal found 7/2

$157

Sun 11/25:05 amIAD - COS

1 stop8h 20mSouthwest

Deal found 7/2

$170

Sun 8/3112:55 pmIAD - COS

3 stops22h 10mMultiple Airlines

Deal found 7/2

$175

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 8/5

6:30 am-10:55 am

1 stop6h 25m

Colorado Springs

Tue 8/12

5:20 pm-12:45 am

1 stop5h 25m

$237

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Tue 8/26

6:15 am-10:16 am

1 stop6h 01m

Colorado Springs

Wed 9/3

11:11 am-11:21 pm

2 stops10h 10m

$242

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Tue 9/9

2:21 pm-10:08 pm

2 stops9h 47m

Colorado Springs

Sat 9/13

12:32 pm-10:45 pm

1 stop8h 13m

$249

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Fri 8/15

6:50 pm-10:35 pm

1 stop5h 45m

Colorado Springs

Mon 8/18

6:25 am-3:45 pm

1 stop7h 20m

$288

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Mon 9/8

5:40 pm-10:08 pm

1 stop6h 28m

$119

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Sat 9/20

2:51 pm-8:39 pm

1 stop7h 48m

$126

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Sun 9/21

6:35 am-10:56 am

1 stop6h 21m

$145

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Fri 8/8

4:30 pm-9:45 pm

1 stop7h 15m

$170

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Sun 8/31

12:55 pm-9:05 am

3 stops22h 10m

$175

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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 March is currently the most expensive (average of $412). 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.

Reviews of airlines servicing Colorado Springs

Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Washington, D.C. Dulles Intl Airport to Colorado Springs to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,266 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

4,266 reviews

Southwest

8.0

Very good

4,266 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

7,982 reviews

Southwest

8.0

Very good

4,266 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

8,861 reviews

Southwest

8.0

Very good

4,266 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

4,266 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), United Airlines ($244), and Delta ($254) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Colorado Springs. American Airlines is currently priced 41% 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 $118 on American Airlines. Other airlines that offer cheap prices include Delta from $124 and United Airlines from $157 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 March is currently the most expensive (average of $412). 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$316	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$236	Average$288	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$272	Average$416	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$288	Average$422	FlexibilityNo cancel fee	On-time63%

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$118+ 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 10/21. 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 October or January, 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 July 3, 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 July 3, 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 27, 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 July 3, 2025.

Reviews of airlines servicing Colorado Springs

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 July 3, 2025.