Cheap Flights from Oslo (OSL) to Wilmington (ILG)

Popular airlines from Gardermoen Airport (OSL) to Wilmington, DE (ILG-New Castle)

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Frequently asked questions

How much does a flight from Gardermoen Airport (OSL) to Wilmington, DE (ILG-New Castle) cost?
Secure a cheap one-way flight or cheap return flight from Gardermoen Airport (OSL) 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 Gardermoen Airport (OSL) to Wilmington, DE (ILG-New Castle)?
Flying in can help you save, as it's the cheapest month for flights between OSL and ILG. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Gardermoen Airport (OSL) to Wilmington, DE (ILG-New Castle)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest OSL to ILG flight.
How many flights per day from Gardermoen Airport (OSL) to Wilmington, DE (ILG-New Castle)?
Nonstop flights from Gardermoen Airport (OSL) to Wilmington, DE (ILG-New Castle) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from OSL to ILG?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the season, carrier 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 Gardermoen Airport (OSL) to Wilmington, DE (ILG-New Castle)?
Select a flight from Gardermoen Airport (OSL) to Wilmington, DE (ILG-New Castle) that takes off before 3 PM to reduce the likelihood of delays and cancellations. 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 Gardermoen Airport (OSL) to Wilmington, DE (ILG-New Castle) last-minute?
Last-minute fares from OSL to ILG are generally more expensive. For the cheapest rates, start searching for flights as soon as possible. That being said, if you're flexible with your travel plans, you may land a cheap fare right before your journey.
Can I cancel or change the date of my flight from Gardermoen Airport (OSL) to Wilmington, DE (ILG-New Castle)?
In most cases, you can cancel or reschedule your OSL to ILG flight. However, additional charges may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you want further details, head to our Customer Service portal.

Travel information

Origin airport
Gardermoen
Destination airport
New Castle
Distance
3788 mi

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Oslo to Wilmington Flights

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

 

The best time to book a flight from Oslo to Wilmington

Sunday is one of the best days to book for cheap flights from Oslo 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 Oslo 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 Oslo 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 Oslo 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 Oslo 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.

 

Oslo to Wilmington Flights

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*Available to One Key members.