$115 Cheap Flights from Wilmington (ILM) to Denver (DEN)

View $115 flight on Wed, Oct 1, 2025Opens in a new window

Popular airlines from Wilmington Intl. Airport (ILM) to Denver Intl. Airport (DEN)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Wilmington to Denver (ILM-DEN)

Prices were available within the past 7 days and start at $115 for one-way flights and $199 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Sep 9 - Tue, Sep 16
ILM
Wilmington
DEN
Denver
$199 Roundtrip, found 1 day ago
$199
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Sep 9 from Wilmington to Denver, returning Tue, Sep 16, priced at $199 found 1 day ago
American Airlines
Wed, Aug 27 - Sat, Aug 30
ILM
Wilmington
DEN
Denver
$214 Roundtrip, found 1 day ago
$214
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Aug 27 from Wilmington to Denver, returning Sat, Aug 30, priced at $214 found 1 day ago
American Airlines
Thu, Sep 25 - Fri, Oct 3
ILM
Wilmington
DEN
Denver
$224 Roundtrip, found 1 day ago
$224
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Sep 25 from Wilmington to Denver, returning Fri, Oct 3, priced at $224 found 1 day ago
American Airlines
Wed, Oct 29 - Mon, Nov 3
ILM
Wilmington
DEN
Denver
$224 Roundtrip, found 3 days ago
$224
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Oct 29 from Wilmington to Denver, returning Mon, Nov 3, priced at $224 found 3 days ago
JetBlue Airways
Fri, Oct 3 - Tue, Oct 7
ILM
Wilmington
DEN
Denver
$229 Roundtrip, found 18 hours ago
$229
Roundtrip
found 18 hours ago
Select JetBlue Airways flight, departing Fri, Oct 3 from Wilmington to Denver, returning Tue, Oct 7, priced at $229 found 18 hours ago
American Airlines
Wed, Aug 27 - Sat, Aug 30
ILM
Wilmington
DEN
Denver
$240 Roundtrip, found 1 day ago
$240
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Aug 27 from Wilmington to Denver, returning Sat, Aug 30, priced at $240 found 1 day ago
American Airlines
Wed, Oct 1 - Tue, Oct 7
ILM
Wilmington
DEN
Denver
$245 Roundtrip, found 1 day ago
$245
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Oct 1 from Wilmington to Denver, returning Tue, Oct 7, priced at $245 found 1 day ago
JetBlue Airways
Fri, Oct 24 - Mon, Oct 27
ILM
Wilmington
DEN
Denver
$253 Roundtrip, found 1 day ago
$253
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Fri, Oct 24 from Wilmington to Denver, returning Mon, Oct 27, priced at $253 found 1 day ago
Delta
Tue, Sep 23 - Fri, Sep 26
ILM
Wilmington
DEN
Denver
$254 Roundtrip, found 13 hours ago
$254
Roundtrip
found 13 hours ago
Select Delta flight, departing Tue, Sep 23 from Wilmington to Denver, returning Fri, Sep 26, priced at $254 found 13 hours ago
United
Wed, Oct 29 - Sat, Nov 1
ILM
Wilmington
DEN
Denver
$289 Roundtrip, found 5 hours ago
$289
Roundtrip
found 5 hours ago
Select United flight, departing Wed, Oct 29 from Wilmington to Denver, returning Sat, Nov 1, priced at $289 found 5 hours ago

Find the cheapest month to fly from Wilmington (ILM) to Denver (DEN)

September is typically the cheapest month to fly

From $192 - $650 per traveler.

Graph displaying average flight prices per month

Alternative airports near Denver

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Denver Intl. DEN. Cheapest option available. Average driving time to city center is 32 minutes. Flights from $298
DEN
Denver Intl.
Cheapest
Average driving time to city center32 min
Flights from $298
Flights from Wilmington (ILM) to Denver (DEN)
Origin airport
Wilmington Intl.
Destination airport
Denver Intl.
Airlines serving
American Airlines, Delta, JetBlue Airways, United
Roundtrip price
$198
Distance
1518 mi
Average flight time
3 hours 54 mins

Wilmington to Denver Flights

The cheapest times to fly from Wilmington to Denver

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 Denver are during the month of September. You can find some of the cheapest flights from Wilmington to Denver with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Wilmington to Denver

Sunday is one of the best days to book for cheap flights from Wilmington to Denver: 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 Denver

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 Denver in 2025. You can also book with separate airlines for your outbound and return journeys, from $115 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 Denver 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 Denver 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.

 

Frequently asked questions

How much does a flight from Wilmington Intl. Airport (ILM) to Denver Intl. Airport (DEN) cost?
Cheap round-trip flights from Wilmington Intl. Airport (ILM) to Denver Intl. Airport (DEN) start at $838. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving ILM on August 2 2025 and touching down at DEN. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from ILM to DEN?
The cheapest flights from ILM to DEN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from ILM to DEN?
Take off from ILM to DEN with United. This airline currently has the cheapest one-way fare for this route, starting at $455. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ILM on August 9 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Wilmington Intl. Airport (ILM) to Denver Intl. Airport (DEN)?
There are no daily nonstop flights from Wilmington Intl. Airport (ILM) to Denver Intl. Airport (DEN). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from ILM to DEN?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change 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 Intl. Airport (ILM) to Denver Intl. Airport (DEN)?
To touch down at Denver Intl. Airport (DEN) on time, select a flight that takes off from Wilmington Intl. Airport (ILM) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Intl. Airport (ILM) to Denver Intl. Airport (DEN) last-minute?
Last-minute bookings from ILM to DEN are typically more expensive. For the cheapest rates, start looking for flights well ahead of time. That being said, if you're flexible with your travel dates, it's possible to find a cheap fare just before your departure.
Is it cheaper to book an ILM to DEN flight and hotel package?
Opting for an ILM to DEN flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our impressive range of hotels and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Wilmington Intl. Airport (ILM) to Denver Intl. Airport (DEN)?
If you reserved your ILM to DEN flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

Explore a world of travel with Expedia

*Available to One Key members.