$300 Cheap Flights from Wilmington (ILG) to Colorado Springs (COS)

View $300 flight on Thu, Oct 16, 2025Opens in a new window

Popular airlines from Wilmington, DE (ILG-New Castle) to Colorado Springs Airport (COS)

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Cheap Flights from Wilmington to Colorado Springs (ILG-COS)

Prices were available within the past 7 days and start at $300 for one-way flights and $563 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Dec 18 - Thu, Jan 1
ILG
Wilmington
COS
Colorado Springs
$563 Roundtrip, found 6 days ago
$563
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Dec 18 from Wilmington to Colorado Springs, returning Thu, Jan 1, priced at $563 found 6 days ago
American Airlines
Thu, Dec 18 - Mon, Dec 29
ILG
Wilmington
COS
Colorado Springs
$608 Roundtrip, found 6 days ago
$608
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Dec 18 from Wilmington to Colorado Springs, returning Mon, Dec 29, priced at $608 found 6 days ago
American Airlines
Mon, Dec 15 - Thu, Jan 1
ILG
Wilmington
COS
Colorado Springs
$619 Roundtrip, found 6 days ago
$619
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Dec 15 from Wilmington to Colorado Springs, returning Thu, Jan 1, priced at $619 found 6 days ago
American Airlines
Mon, Dec 15 - Mon, Dec 29
ILG
Wilmington
COS
Colorado Springs
$664 Roundtrip, found 6 days ago
$664
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Dec 15 from Wilmington to Colorado Springs, returning Mon, Dec 29, priced at $664 found 6 days ago
American Airlines
Thu, Dec 18 - Wed, Dec 31
ILG
Wilmington
COS
Colorado Springs
$667 Roundtrip, found 6 days ago
$667
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Dec 18 from Wilmington to Colorado Springs, returning Wed, Dec 31, priced at $667 found 6 days ago
American Airlines
Thu, Dec 18 - Tue, Dec 30
ILG
Wilmington
COS
Colorado Springs
$673 Roundtrip, found 6 days ago
$673
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Dec 18 from Wilmington to Colorado Springs, returning Tue, Dec 30, priced at $673 found 6 days ago
American Airlines
Sun, Dec 21 - Thu, Jan 1
ILG
Wilmington
COS
Colorado Springs
$682 Roundtrip, found 6 days ago
$682
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Dec 21 from Wilmington to Colorado Springs, returning Thu, Jan 1, priced at $682 found 6 days ago
American Airlines
Thu, Dec 18 - Fri, Jan 2
ILG
Wilmington
COS
Colorado Springs
$707 Roundtrip, found 6 days ago
$707
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Dec 18 from Wilmington to Colorado Springs, returning Fri, Jan 2, priced at $707 found 6 days ago
American Airlines
Mon, Dec 15 - Wed, Dec 31
ILG
Wilmington
COS
Colorado Springs
$723 Roundtrip, found 6 days ago
$723
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Dec 15 from Wilmington to Colorado Springs, returning Wed, Dec 31, priced at $723 found 6 days ago
American Airlines
Sun, Dec 21 - Mon, Dec 29
ILG
Wilmington
COS
Colorado Springs
$727 Roundtrip, found 6 days ago
$727
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Dec 21 from Wilmington to Colorado Springs, returning Mon, Dec 29, priced at $727 found 6 days ago

Frequently asked questions

How much does a flight from Wilmington, DE (ILG-New Castle) to Colorado Springs Airport (COS) cost?
Get a cheap one-way flight from $300 or cheap return flight from $563 from Wilmington, DE (ILG-New Castle) to Colorado Springs Airport (COS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Wilmington, DE (ILG-New Castle) to Colorado Springs Airport (COS)?
December is the cheapest month to fly from ILG to COS. Traveling outside of peak seasons is often the key to landing a great deal.
What is the cheapest airline that flies from Wilmington, DE (ILG-New Castle) to Colorado Springs Airport (COS)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from ILG to COS. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from Wilmington, DE (ILG-New Castle) to Colorado Springs Airport (COS)?
You'll need to take a flight with a layover when traveling from Wilmington, DE (ILG-New Castle) to Colorado Springs Airport (COS). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from ILG to COS?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Wilmington, DE (ILG-New Castle) to Colorado Springs Airport (COS)?
To avoid possible delays on the Wilmington, DE (ILG-New Castle) to Colorado Springs Airport (COS) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Wilmington, DE (ILG-New Castle) to Colorado Springs Airport (COS) last-minute?
Last-minute fares from ILG to COS are generally more expensive. For the best prices, start looking for flights well in advance. That being said, if your travel plans are flexible, you may land a cheap ticket just before your departure.
Is it cheaper to book an ILG to COS flight and hotel package?
You'll typically save money by securing an ILG to COS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After choosing your preferred accommodations and flights, consider other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Wilmington, DE (ILG-New Castle) to Colorado Springs Airport (COS)?
In most instances, you're able to cancel or reschedule your ILG to COS flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you want more information, head to our Customer Service portal.

Travel information

Travel information

Origin airport
New Castle
Destination airport
Colorado Springs
Roundtrip price
$563
Distance
1551 mi

Book with confidence

Book with confidence

Wilmington to Colorado Springs Flights

The cheapest times to fly from Wilmington to Colorado Springs

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Wilmington to Colorado Springs are during the month of December. You can find some of the cheapest flights from Wilmington to Colorado Springs with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Wilmington to Colorado Springs

Sunday is one of the best days to book for cheap flights from Wilmington to Colorado Springs: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Wilmington to Colorado Springs

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Wilmington to Colorado Springs in 2025. You can also book with separate airlines for your outbound and return journeys, from $300 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Wilmington to Colorado Springs flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Wilmington to Colorado Springs airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Wilmington to Colorado Springs Flights

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*Available to One Key members.