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 ($160), United Airlines ($236), and Delta ($236) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Colorado Springs. American Airlines is currently priced 62% below the average price you’ll pay for this route.

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.

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 31 days in advance to save up to 42% 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 31 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 $277, or $380 for flights within the next 24 hours.

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

August is one of the best times of the year to fly to Colorado Springs from Washington, D.C. Dulles Intl Airport. Prices for August average $282 per person but you can even find prices for as low as $138. The most expensive prices can be found in the month of December. Opting for a August flight can save you 24% 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.

$84+ Cheap Flights from Washington, D.C. Dulles Intl Airport to Colorado Springs

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Cheap flight deals from Dulles Intl to Colorado Springs

Round-trip from	$167 (American Airlines)
One-way from	$84 (American Airlines)
Popular in	December
Cheapest in	January
Average price	$372

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 ($63 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).

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Average for round-trip flights in September 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 September 15, 2025.

Wed 10/296:11 amIAD - COS

1 stop9h 19mAmerican Airlines

Sat 11/112:09 pmCOS - IAD

1 stop7h 22mAmerican Airlines

Deal found 9/14

$167

Wed 12/36:00 amIAD - COS

1 stop7h 46mAmerican Airlines

Wed 12/1012:45 pmCOS - IAD

2 stops8h 23mAmerican Airlines

Deal found 9/14

$172

Sat 11/85:00 amIAD - COS

1 stop9h 50mSouthwest

Sat 11/156:25 amCOS - IAD

1 stop6h 50mSouthwest

Deal found 9/12

$206

Fri 10/247:45 pmIAD - COS

1 stop5h 35mSouthwest

Mon 10/275:35 amCOS - IAD

1 stop5h 25mSouthwest

Deal found 9/12

$234

Tue 11/43:59 pmIAD - COS

1 stop7h 08mUnited Airlines

Tue 11/111:53 pmCOS - IAD

1 stop5h 28mUnited Airlines

Deal found 9/15

$237

Wed 11/56:04 amIAD - COS

1 stop7h 44mAmerican Airlines

Fri 11/1412:45 pmCOS - IAD

1 stop7h 48mAmerican Airlines

Deal found 9/14

$238

Tue 11/47:05 amIAD - COS

1 stop7h 06mDelta

Tue 11/118:00 amCOS - IAD

2 stops13h 19mDelta

Deal found 9/15

$242

Tue 11/47:05 amIAD - COS

2 stops12h 04mDelta

Wed 11/51:16 pmCOS - IAD

2 stops7h 44mDelta

Deal found 9/15

$247

Fri 11/77:50 pmIAD - COS

1 stop5h 20mSouthwest

Mon 11/1011:05 amCOS - IAD

1 stop5h 55mSouthwest

Deal found 9/15

$254

Tue 12/26:04 amIAD - COS

1 stop14h 03mAmerican Airlines

Fri 12/512:45 pmCOS - IAD

1 stop8h 14mAmerican Airlines

Deal found 9/15

$255

Wed 10/86:01 amIAD - COS

1 stop7h 01mUnited Airlines

Wed 10/156:00 amCOS - IAD

1 stop5h 51mUnited Airlines

Deal found 9/15

$261

Sun 11/25:04 amIAD - COS

1 stop7h 44mAmerican Airlines

Sat 11/85:45 amCOS - IAD

1 stop8h 26mAmerican Airlines

Deal found 9/14

$263

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 September 15, 2025.

Fri 10/247:45 pmIAD - COS

1 stop5h 35mSouthwest

Mon 10/275:35 amCOS - IAD

1 stop5h 25mSouthwest

Deal found 9/12

$234

Sat 11/812:27 pmIAD - COS

1 stop7h 44mDelta

Tue 11/116:00 amCOS - IAD

1 stop6h 40mDelta

Deal found 9/13

$237

Tue 10/145:15 pmIAD - COS

1 stop6h 26mUnited Airlines

Tue 10/2110:30 amCOS - IAD

1 stop6h 53mUnited Airlines

Deal found 9/14

$237

Thu 11/66:35 amIAD - COS

1 stop7h 13mAmerican Airlines

Tue 11/1112:45 pmCOS - IAD

1 stop7h 33mAmerican Airlines

Deal found 9/13

$247

Tue 11/47:05 amIAD - COS

1 stop7h 06mDelta

Tue 11/111:42 pmCOS - IAD

1 stop7h 37mDelta

Deal found 9/13

$237

Sat 11/89:12 amIAD - COS

2 stops10h 54mAmerican Airlines

Sat 11/155:45 amCOS - IAD

2 stops11h 36mAmerican Airlines

Deal found 9/12

$247

Sun 11/97:01 amIAD - COS

1 stop7h 36mDelta

Tue 11/186:00 amCOS - IAD

1 stop6h 40mDelta

Deal found 9/15

$237

Thu 11/209:57 amIAD - COS

1 stop6h 32mUnited Airlines

Mon 11/2412:54 pmCOS - IAD

1 stop6h 27mUnited Airlines

Deal found 9/13

$273

Tue 11/47:05 amIAD - COS

2 stops12h 04mDelta

Thu 11/131:42 pmCOS - IAD

1 stop8h 36mDelta

Deal found 9/14

$242

Tue 11/47:05 amIAD - COS

1 stop7h 06mDelta

Fri 11/71:16 pmCOS - IAD

1 stop8h 04mDelta

Deal found 9/13

$273

Wed 11/53:33 pmIAD - COS

1 stop6h 57mDelta

Sat 11/88:09 amCOS - IAD

2 stops9h 17mDelta

Deal found 9/13

$278

Last-minute flights from Dulles Intl to Colorado Springs
Discover last-minute flight deals from Dulles Intl to Colorado Springs. Data last updated September 15, 2025 and is based on user searches.

Wed 10/86:01 amIAD - COS

1 stop7h 01mUnited Airlines

Wed 10/156:00 amCOS - IAD

1 stop5h 51mUnited Airlines

Deal found 9/15

$261

Sat 10/115:37 pmIAD - COS

1 stop6h 32mAmerican Airlines

Sat 10/186:02 amCOS - IAD

1 stop8h 45mAmerican Airlines

Deal found 9/13

$268

Tue 10/145:15 pmIAD - COS

1 stop6h 26mUnited Airlines

Tue 10/2110:30 amCOS - IAD

1 stop6h 53mUnited Airlines

Deal found 9/14

$237

Tue 10/215:37 pmIAD - COS

1 stop6h 32mAmerican Airlines

Tue 10/286:02 amCOS - IAD

2 stops10h 52mAmerican Airlines

Deal found 9/12

$242

Fri 10/247:45 pmIAD - COS

1 stop5h 35mSouthwest

Mon 10/275:35 amCOS - IAD

1 stop5h 25mSouthwest

Deal found 9/12

$234

Wed 10/296:11 amIAD - COS

1 stop9h 19mAmerican Airlines

Sat 11/112:09 pmCOS - IAD

1 stop7h 22mAmerican Airlines

Deal found 9/14

$167

Wed 10/296:30 amIAD - COS

1 stop6h 56mUnited Airlines

Wed 11/56:00 amCOS - IAD

1 stop5h 18mUnited Airlines

Deal found 9/14

$317

Wed 10/2910:11 amIAD - COS

2 stops13h 59mDelta

Sat 11/18:09 amCOS - IAD

2 stops13h 30mDelta

Deal found 9/14

$319

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 September 15, 2025.

Tue 10/215:37 pmIAD - COS

1 stop6h 32mAmerican Airlines

Deal found 9/13

$84

Sun 12/143:36 pmIAD - COS

1 stop19h 24mMultiple Airlines

Deal found 9/13

$118

Tue 10/287:05 amIAD - COS

1 stop7h 06mDelta

Deal found 9/15

$119

Wed 1/148:52 amIAD - COS

2 stops8h 47mAmerican Airlines

Deal found 9/14

$124

Fri 10/314:50 pmIAD - COS

1 stop5h 25mSouthwest

Deal found 9/14

$125

Fri 12/55:45 pmIAD - COS

1 stop5h 45mSouthwest

Deal found 9/13

$136

Fri 12/57:59 amIAD - COS

2 stops11h 36mAmerican Airlines

Deal found 9/15

$141

Sat 10/186:30 amIAD - COS

1 stop6h 45mUnited Airlines

Deal found 9/13

$142

Wed 12/316:00 amIAD - COS

2 stops8h 54mDelta

Deal found 9/14

$144

Wed 12/246:05 amIAD - COS

1 stop7h 42mAmerican Airlines

Deal found 9/14

$149

Wed 10/157:40 amIAD - COS

1 stop7h 25mSouthwest

Deal found 9/14

$150

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

Fri 10/24

7:45 pm-11:20 pm

1 stop5h 35m

Colorado Springs

Mon 10/27

5:35 am-1:00 pm

1 stop5h 25m

$234

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Sat 11/8

12:27 pm-6:11 pm

1 stop7h 44m

Colorado Springs

Tue 11/11

6:00 am-2:40 pm

1 stop6h 40m

$237

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Tue 10/14

5:15 pm-9:41 pm

1 stop6h 26m

Colorado Springs

Tue 10/21

10:30 am-7:23 pm

1 stop6h 53m

$237

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Tue 11/4

7:05 am-12:11 pm

1 stop7h 06m

Colorado Springs

Tue 11/11

1:42 pm-11:19 pm

1 stop7h 37m

$237

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Sun 11/9

7:01 am-12:37 pm

1 stop7h 36m

Colorado Springs

Tue 11/18

6:00 am-2:40 pm

1 stop6h 40m

$237

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Tue 11/4

7:05 am-5:09 pm

2 stops12h 04m

Colorado Springs

Thu 11/13

1:42 pm-12:18 am

1 stop8h 36m

$242

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Thu 11/6

6:35 am-11:48 am

1 stop7h 13m

Colorado Springs

Tue 11/11

12:45 pm-10:18 pm

1 stop7h 33m

$247

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Sat 11/8

9:12 am-6:06 pm

2 stops10h 54m

Colorado Springs

Sat 11/15

5:45 am-7:21 pm

2 stops11h 36m

$247

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Thu 11/20

9:57 am-2:29 pm

1 stop6h 32m

Colorado Springs

Mon 11/24

12:54 pm-9:21 pm

1 stop6h 27m

$273

Washington, D.C.Colorado Springs

IAD - COS

IADCOS

Washington, D.C. Dulles Intl

Tue 11/4

7:05 am-12:11 pm

1 stop7h 06m

Colorado Springs

Fri 11/7

1:16 pm-11:20 pm

1 stop8h 04m

$273

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 21 results

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

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

4,242 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Southwest

8.0

Very good

4,242 reviews

Southwest

8.0

Very good

4,242 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Delta

8.0

Very good

7,954 reviews

Southwest

8.0

Very good

4,242 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

United Airlines

7.4

Good

8,929 reviews

Southwest

8.0

Very good

4,242 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,242 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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.
How long is the flight from Washington, D.C. Dulles Intl Airport to Colorado Springs?
Southwest, Delta, and United Airlines can get you from Washington, D.C. Dulles Intl Airport to Colorado Springs in just under 5h 35m. Your travel time can differ by up to 2h 09m. Washington, D.C. Dulles Intl Airport and Colorado Springs are separated by a distance of 1459 mi. This flight may include one or multiple stops.
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 ($160), United Airlines ($236), and Delta ($236) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Colorado Springs. American Airlines is currently priced 62% below the average price you’ll pay for this route.
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.

See more FAQs

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Top 4 airlines flying from Dulles Intl to Colorado Springs

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$160	Average$316	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$236	Average$432	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$236	Average$288	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$280	Average$397	FlexibilityNo cancel fee	On-time63%

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$84+ 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

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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 September 15, 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 September 15, 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

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?

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?

How long is the flight from Washington, D.C. Dulles Intl Airport to Colorado Springs?

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

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 Colorado Springs?

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Alternative routes for Dulles Intl to Colorado Springs

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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 September 15, 2025.