Cheap Flights from Idaho Falls (IDA) to Wilmington (ILG)

Popular airlines from Idaho Falls Regional Airport (IDA) to Wilmington, DE (ILG-New Castle)

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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 $465
PHL
Philadelphia Intl.
Cheapest
Average driving time to city center28 min
Flights from $465

Frequently asked questions

How much does a flight from Idaho Falls Regional Airport (IDA) to Wilmington, DE (ILG-New Castle) cost?
Grab a cheap one-way flight or cheap return flight from Idaho Falls Regional Airport (IDA) to Wilmington, DE (ILG-New Castle) 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 Idaho Falls Regional Airport (IDA) to Wilmington, DE (ILG-New Castle)?
is the least expensive month to fly from IDA to ILG. Avoiding peak travel times is often the key to landing a great deal.
What is the cheapest airline that flies from Idaho Falls Regional Airport (IDA) to Wilmington, DE (ILG-New Castle)?
To find the cheapest airline flying from IDA to ILG, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Idaho Falls Regional Airport (IDA) to Wilmington, DE (ILG-New Castle)?
There are no daily direct flights available from Idaho Falls Regional Airport (IDA) to Wilmington, DE (ILG-New Castle). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from IDA to ILG?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Idaho Falls Regional Airport (IDA) to Wilmington, DE (ILG-New Castle)?
To avoid possible delays on the Idaho Falls Regional Airport (IDA) to Wilmington, DE (ILG-New Castle) route, travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**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 Idaho Falls Regional Airport (IDA) to Wilmington, DE (ILG-New Castle) last-minute?
Last-minute bookings from IDA to ILG are typically more expensive. To lock in the lowest rates, start looking for flights well in advance. That said, if you're flexible with your travel plans, it's possible to score a cheap fare right before your journey.
Can I cancel or change the date of my flight from Idaho Falls Regional Airport (IDA) to Wilmington, DE (ILG-New Castle)?
In most instances, you can cancel or reschedule your IDA to ILG flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you need further information, head to our Customer Service portal.

Travel information

Origin airport
Idaho Falls Regional
Destination airport
New Castle
Distance
1887 mi

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Idaho Falls to Wilmington Flights

The cheapest times to fly from Idaho Falls 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 Idaho Falls to Wilmington are during the month of . You can find some of the cheapest flights from Idaho Falls to Wilmington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Idaho Falls to Wilmington

Sunday is one of the best days to book for cheap flights from Idaho Falls 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 Idaho Falls 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 Idaho Falls to Wilmington in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Idaho Falls 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 Idaho Falls 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.

 

Idaho Falls to Wilmington Flights

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*Available to One Key members.