Cheap Flights from Wilmington (ILG) to Salt Lake City (SLC)

Popular airlines from Wilmington, DE (ILG-New Castle) to Salt Lake City International Airport (SLC)

Find available prices by choosing your travel dates.

Cheap Flights from Wilmington to Salt Lake City (ILG-SLC)

Prices were available within the past 7 days and start at for one-way flights and $277 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
Flights from Wilmington (ILG) to Salt Lake City (SLC)
Origin airport
New Castle
Destination airport
Salt Lake City Intl.
Roundtrip price
$277
Distance
1907 mi

Wilmington to Salt Lake City Flights

The cheapest times to fly from Wilmington to Salt Lake City

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

The best time to book a flight from Wilmington to Salt Lake City

Sunday is one of the best days to book for cheap flights from Wilmington to Salt Lake City: 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 Salt Lake City

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 Salt Lake City 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 Wilmington to Salt Lake City 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 Salt Lake City 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 Salt Lake City Intl. Airport (SLC) cost?
Discover the latest flight deals from ILG to SLC by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from ILG to SLC?
The cheapest flights from ILG to SLC are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Wilmington, DE (ILG-New Castle) to Salt Lake City Intl. Airport (SLC)?
There’s no direct route from Wilmington, DE (ILG-New Castle) to Salt Lake City Intl. Airport (SLC). However, you can find other airports with nonstop flights. Begin your journey at Philadelphia Intl. Airport (PHL) and head straight to Salt Lake City without layovers.
What is the cheapest airline that flies from ILG to SLC?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from ILG to SLC. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Wilmington, DE (ILG-New Castle) to Salt Lake City Intl. Airport (SLC)?
You’ll need to hop on a flight with a layover if you’re traveling from Wilmington, DE (ILG-New Castle) to Salt Lake City Intl. Airport (SLC). Direct flights don’t operate daily on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from ILG to SLC?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on a range of factors, including the season and airline.*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 Salt Lake City Intl. Airport (SLC)?
Book a flight from Wilmington, DE (ILG-New Castle) to Salt Lake City Intl. Airport (SLC) that leaves before 3 PM to reduce the likelihood of delays. Departures after this hour have a 22% higher chance of being canceled, on average.**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 Salt Lake City Intl. Airport (SLC) last-minute?
Last-minute fares from ILG to SLC are generally more expensive. To lock in the best prices, start looking for flights as early as possible. That being said, if you’re flexible with your travel plans, it’s possible to find a cheap fare just before your departure.
Is it cheaper to book an ILG to SLC flight and hotel package?
Compared with arranging hotels and flights separately, booking an ILG to SLC flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one easy place will take the stress out of travel planning. Just secure your flights and choose from our extensive range of hotels, then tailor your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Wilmington, DE (ILG-New Castle) to Salt Lake City Intl. Airport (SLC)?
It’s generally possible to reschedule or cancel your ILG to SLC flight. However, if it’s been more than 24 hours since booking, additional fees may apply. Check your airline’s policies in your itinerary to see what changes are possible and if any costs are involved. You’ll also find further details on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.