$248 Cheap Flights from Wilmington (ILG) to Detroit (DTW)

View $248 flight on Mon, Dec 29, 2025Opens in a new window

Popular airlines from Wilmington, DE (ILG-New Castle) to Detroit Metropolitan Wayne County Airport (DTW)

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Cheap Flights from Wilmington to Detroit (ILG-DTW)

Prices were available within the past 7 days and start at $248 for one-way flights and $267 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, Oct 12 - Sat, Oct 25
ILG
Wilmington
DTW
Detroit
$267 Roundtrip, found 2 days ago
$267
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sun, Oct 12 from Wilmington to Detroit, returning Sat, Oct 25, priced at $267 found 2 days ago
American Airlines
Sun, Oct 12 - Sat, Oct 25
ILG
Wilmington
DTW
Detroit
$277 Roundtrip, found 2 days ago
$277
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sun, Oct 12 from Wilmington to Detroit, returning Sat, Oct 25, priced at $277 found 2 days ago
American Airlines
Fri, Oct 3 - Mon, Oct 6
ILG
Wilmington
DTW
Detroit
$287 Roundtrip, found 2 days ago
$287
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Oct 3 from Wilmington to Detroit, returning Mon, Oct 6, priced at $287 found 2 days ago
American Airlines
Fri, Oct 3 - Mon, Oct 6
ILG
Wilmington
DTW
Detroit
$297 Roundtrip, found 2 days ago
$297
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Oct 3 from Wilmington to Detroit, returning Mon, Oct 6, priced at $297 found 2 days ago
American Airlines
Wed, Sep 10 - Wed, Sep 17
ILG
Wilmington
DTW
Detroit
$299 Roundtrip, found 2 days ago
$299
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Sep 10 from Wilmington to Detroit, returning Wed, Sep 17, priced at $299 found 2 days ago
American Airlines
Sat, Sep 6 - Mon, Sep 8
ILG
Wilmington
DTW
Detroit
$302 Roundtrip, found 4 days ago
$302
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Sep 6 from Wilmington to Detroit, returning Mon, Sep 8, priced at $302 found 4 days ago
American Airlines
Wed, Sep 10 - Wed, Sep 17
ILG
Wilmington
DTW
Detroit
$309 Roundtrip, found 2 days ago
$309
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Sep 10 from Wilmington to Detroit, returning Wed, Sep 17, priced at $309 found 2 days ago
American Airlines
Thu, Sep 4 - Sun, Sep 7
ILG
Wilmington
DTW
Detroit
$312 Roundtrip, found 1 day ago
$312
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Sep 4 from Wilmington to Detroit, returning Sun, Sep 7, priced at $312 found 1 day ago
American Airlines
Wed, Sep 3 - Sat, Sep 6
ILG
Wilmington
DTW
Detroit
$315 Roundtrip, found 1 day ago
$315
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Sep 3 from Wilmington to Detroit, returning Sat, Sep 6, priced at $315 found 1 day ago
American Airlines
Sat, Sep 13 - Sat, Sep 20
ILG
Wilmington
DTW
Detroit
$318 Roundtrip, found 13 hours ago
$318
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Sat, Sep 13 from Wilmington to Detroit, returning Sat, Sep 20, priced at $318 found 13 hours ago

Alternative airports near Detroit

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

Select flight to Detroit Metropolitan Wayne County DTW. Cheapest option available. Average driving time to city center is 26 minutes. Flights from $318
DTW
Detroit Metropolitan Wayne County
Cheapest
Average driving time to city center26 min
Flights from $318
Flights from Wilmington (ILG) to Detroit (DTW)
Origin airport
New Castle
Destination airport
Detroit Metropolitan Wayne County
Airlines serving
American Airlines
Roundtrip price
$266
Distance
440 mi

Wilmington to Detroit Flights

The cheapest times to fly from Wilmington to Detroit

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

 

The best time to book a flight from Wilmington to Detroit

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

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 Detroit in 2025. You can also book with separate airlines for your outbound and return journeys, from $248 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 Detroit 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 Detroit 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, DE (ILG-New Castle) to Detroit Metropolitan Wayne County Airport (DTW) cost?
Snag a cheap one-way flight from $248 or cheap return flight from $267 from Wilmington, DE (ILG-New Castle) to Detroit Metropolitan Wayne County Airport (DTW) 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, DE (ILG-New Castle) to Detroit Metropolitan Wayne County Airport (DTW)?
Planning your trip for October is a good way to save, as it's the cheapest month for flights between ILG and DTW. You'll often find the lowest fares during the off-season.
Which airlines fly direct from Wilmington, DE (ILG-New Castle) to Detroit Metropolitan Wayne County Airport (DTW)?
Although Wilmington, DE (ILG-New Castle) has no direct flights to Detroit Metropolitan Wayne County Airport (DTW), other airports have nonstop routes. Taking off from Philadelphia Intl. Airport (PHL) will get you to Detroit without any detours.
What is the cheapest airline that flies from Wilmington, DE (ILG-New Castle) to Detroit Metropolitan Wayne County Airport (DTW)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest ILG to DTW flight.
How many flights per day from Wilmington, DE (ILG-New Castle) to Detroit Metropolitan Wayne County Airport (DTW)?
Nonstop flights from Wilmington, DE (ILG-New Castle) to Detroit Metropolitan Wayne County Airport (DTW) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ILG to DTW?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change based on a range of factors, including the airline and season.*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 Detroit Metropolitan Wayne County Airport (DTW)?
Book a flight from Wilmington, DE (ILG-New Castle) to Detroit Metropolitan Wayne County Airport (DTW) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour are on average 22% more likely to be 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 Detroit Metropolitan Wayne County Airport (DTW) last-minute?
Booking your plane ticket from ILG to DTW shortly before your journey is usually more expensive. But if you're flexible with your departure dates and times, you could score a cheap last-minute fare.
Is it cheaper to book an ILG to DTW flight and hotel package?
Booking an ILG to DTW flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our wide range of accommodations and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Wilmington, DE (ILG-New Castle) to Detroit Metropolitan Wayne County Airport (DTW)?
In most cases, you can reschedule or cancel your ILG to DTW flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like further details, visit our Customer Service portal.

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*Available to One Key members.