$149 Cheap Flights from Houston (IAH) to Wilmington (ILG)

View $149 flight on Sun, Dec 21, 2025Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Wilmington, DE (ILG-New Castle)

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Cheap Flights from Houston to Wilmington (IAH-ILG)

Prices were available within the past 7 days and start at $149 for one-way flights and $224 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Nov 12 - Wed, Nov 19
IAH
Houston
ILG
Wilmington
$224 Roundtrip, found 4 days ago
$224
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Nov 12 from Houston to Wilmington, returning Wed, Nov 19, priced at $224 found 4 days ago
American Airlines
Fri, Jan 16 - Sat, Jan 24
IAH
Houston
ILG
Wilmington
$234 Roundtrip, found 6 days ago
$234
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Jan 16 from Houston to Wilmington, returning Sat, Jan 24, priced at $234 found 6 days ago
American Airlines
Fri, Jan 16 - Sat, Jan 24
IAH
Houston
ILG
Wilmington
$249 Roundtrip, found 6 days ago
$249
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Jan 16 from Houston to Wilmington, returning Sat, Jan 24, priced at $249 found 6 days ago
American Airlines
Wed, Dec 3 - Tue, Dec 16
IAH
Houston
ILG
Wilmington
$258 Roundtrip, found 5 hours ago
$258
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Wed, Dec 3 from Houston to Wilmington, returning Tue, Dec 16, priced at $258 found 5 hours ago
American Airlines
Tue, Dec 2 - Tue, Dec 16
IAH
Houston
ILG
Wilmington
$263 Roundtrip, found 5 hours ago
$263
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Tue, Dec 2 from Houston to Wilmington, returning Tue, Dec 16, priced at $263 found 5 hours ago
American Airlines
Wed, Dec 3 - Wed, Dec 17
IAH
Houston
ILG
Wilmington
$283 Roundtrip, found 5 hours ago
$283
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Wed, Dec 3 from Houston to Wilmington, returning Wed, Dec 17, priced at $283 found 5 hours ago
American Airlines
Thu, Dec 4 - Tue, Dec 16
IAH
Houston
ILG
Wilmington
$288 Roundtrip, found 5 hours ago
$288
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Thu, Dec 4 from Houston to Wilmington, returning Tue, Dec 16, priced at $288 found 5 hours ago
American Airlines
Tue, Dec 2 - Mon, Dec 15
IAH
Houston
ILG
Wilmington
$293 Roundtrip, found 5 hours ago
$293
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Tue, Dec 2 from Houston to Wilmington, returning Mon, Dec 15, priced at $293 found 5 hours ago
American Airlines
Tue, Dec 16 - Fri, Jan 2
IAH
Houston
ILG
Wilmington
$298 Roundtrip, found 5 hours ago
$298
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Tue, Dec 16 from Houston to Wilmington, returning Fri, Jan 2, priced at $298 found 5 hours ago
American Airlines
Tue, Nov 18 - Wed, Dec 3
IAH
Houston
ILG
Wilmington
$303 Roundtrip, found 5 hours ago
$303
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Tue, Nov 18 from Houston to Wilmington, returning Wed, Dec 3, priced at $303 found 5 hours ago

Alternative airports near Wilmington

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

Select flight to Philadelphia Intl. PHL. Cheapest option available. Average driving time to city center is 28 minutes. Flights from $149
PHL
Philadelphia Intl.
Cheapest
Average driving time to city center28 min
Flights from $149

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to Wilmington, DE (ILG-New Castle) cost?
Get a cheap one-way flight from $149 or cheap return flight from $224 from George Bush Intercontinental Airport (IAH) to Wilmington, DE (ILG-New Castle) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from George Bush Intercontinental Airport (IAH) to Wilmington, DE (ILG-New Castle)?
November is the cheapest month to fly from IAH to ILG. Timing your trip outside of the busy season is often the key to finding better fares.
What is the cheapest airline that flies from George Bush Intercontinental Airport (IAH) to Wilmington, DE (ILG-New Castle)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest IAH to ILG flight.
How many flights per day from George Bush Intercontinental Airport (IAH) to Wilmington, DE (ILG-New Castle)?
Nonstop flights from George Bush Intercontinental Airport (IAH) to Wilmington, DE (ILG-New Castle) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAH to ILG?
You'll typically 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 George Bush Intercontinental Airport (IAH) to Wilmington, DE (ILG-New Castle)?
To arrive at Wilmington, DE (ILG-New Castle) without delays, choose a flight that takes off from George Bush Intercontinental Airport (IAH) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 George Bush Intercontinental Airport (IAH) to Wilmington, DE (ILG-New Castle) last-minute?
Waiting until right before your break to book your flight from IAH to ILG generally means paying more. While you may find some last-minute discounts, they're not always guaranteed. Allow some flexibility in your schedule for a better chance of getting a bargain.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Wilmington, DE (ILG-New Castle)?
In most instances, you can cancel or reschedule your IAH to ILG flight. However, there may be additional charges, especially if you booked over 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you'd like further information, visit our Customer Service portal.

Travel information

Origin airport
George Bush Intercontinental
Destination airport
New Castle
Roundtrip price
$224
Distance
1300 mi

Book with confidence

Houston to Wilmington Flights

The cheapest times to fly from Houston to Wilmington

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

 

The best time to book a flight from Houston to Wilmington

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

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 Houston to Wilmington in 2025. You can also book with separate airlines for your outbound and return journeys, from $149 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 Houston to Wilmington 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 Houston to Wilmington 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.

 

Houston to Wilmington Flights

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*Available to One Key members.