$125 Cheap Flights from Wilmington (ILM) to Denver (DEN)

View $125 flight on Tue, Oct 7, 2025Opens in a new window

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

Cheap Flights from Wilmington to Denver (ILM-DEN)

Prices were available within the past 7 days and start at $125 for one-way flights and $256 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Tue, Oct 7 - Tue, Oct 14
ILM
Wilmington
DEN
Denver
$256 Roundtrip, found 2 days ago
$256
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Tue, Oct 7 from Wilmington to Denver, returning Tue, Oct 14, priced at $256 found 2 days ago
JetBlue Airways
Thu, Oct 2 - Fri, Oct 3
ILM
Wilmington
DEN
Denver
$276 Roundtrip, found 2 days ago
$276
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Thu, Oct 2 from Wilmington to Denver, returning Fri, Oct 3, priced at $276 found 2 days ago
JetBlue Airways
Fri, Sep 12 - Mon, Sep 15
ILM
Wilmington
DEN
Denver
$281 Roundtrip, found 20 hours ago
$281
Roundtrip
found 20 hours ago
Select JetBlue Airways flight, departing Fri, Sep 12 from Wilmington to Denver, returning Mon, Sep 15, priced at $281 found 20 hours ago
JetBlue Airways
Fri, Oct 3 - Tue, Oct 7
ILM
Wilmington
DEN
Denver
$283 Roundtrip, found 16 hours ago
$283
Roundtrip
found 16 hours ago
Select JetBlue Airways flight, departing Fri, Oct 3 from Wilmington to Denver, returning Tue, Oct 7, priced at $283 found 16 hours ago
Delta
Fri, Sep 26 - Sat, Sep 27
ILM
Wilmington
DEN
Denver
$283 Roundtrip, found 1 hour ago
$283
Roundtrip
found 1 hour ago
Select Delta flight, departing Fri, Sep 26 from Wilmington to Denver, returning Sat, Sep 27, priced at $283 found 1 hour ago
JetBlue Airways
Tue, Oct 21 - Fri, Oct 24
ILM
Wilmington
DEN
Denver
$287 Roundtrip, found 5 days ago
$287
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Tue, Oct 21 from Wilmington to Denver, returning Fri, Oct 24, priced at $287 found 5 days ago
American Airlines
Thu, Sep 25 - Mon, Sep 29
ILM
Wilmington
DEN
Denver
$289 Roundtrip, found 1 hour ago
$289
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Thu, Sep 25 from Wilmington to Denver, returning Mon, Sep 29, priced at $289 found 1 hour ago
United
Thu, Oct 2 - Sat, Oct 4
ILM
Wilmington
DEN
Denver
$289 Roundtrip, found 2 days ago
$289
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 2 from Wilmington to Denver, returning Sat, Oct 4, priced at $289 found 2 days ago
American Airlines
Wed, Dec 10 - Sat, Dec 13
ILM
Wilmington
DEN
Denver
$294 Roundtrip, found 13 hours ago
$294
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Wed, Dec 10 from Wilmington to Denver, returning Sat, Dec 13, priced at $294 found 13 hours ago
JetBlue Airways
Wed, Oct 22 - Thu, Oct 23
ILM
Wilmington
DEN
Denver
$296 Roundtrip, found 4 days ago
$296
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Wed, Oct 22 from Wilmington to Denver, returning Thu, Oct 23, priced at $296 found 4 days ago

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

September is typically the cheapest month to fly

From $198 - $721 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 $314
DEN
Denver Intl.
Cheapest
Average driving time to city center32 min
Flights from $314
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
$255
Distance
1518 mi

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 October. 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 $125 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?
Lock in a cheap one-way flight from $125 or cheap return flight from $256 from Wilmington Intl. Airport (ILM) to Denver Intl. Airport (DEN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Wilmington Intl. Airport (ILM) to Denver Intl. Airport (DEN)?
The cheapest month to fly from ILM to DEN is October, when there's less demand. Off-peak months are typically when airlines offer better prices between these airports.
What is the cheapest airline that flies from Wilmington Intl. Airport (ILM) to Denver Intl. Airport (DEN)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest ILM to DEN flight.
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.