$440 Cheap Flights from Wilmington (ILM) to Oslo (OSL)

View $440 flight on Mon, Dec 8, 2025Opens in a new window

Popular airlines from Wilmington Intl. Airport (ILM) to Gardermoen Airport (OSL)

Cheap Flights from Wilmington to Oslo (ILM-OSL)

Prices were available within the past 7 days and start at $440 for one-way flights and $519 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Mon, Mar 9 - Mon, Mar 16
ILM
Wilmington
OSL
Oslo
$519 Roundtrip, found 2 days ago
$519
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Mon, Mar 9 from Wilmington to Oslo, returning Mon, Mar 16, priced at $519 found 2 days ago
Scandinavian Airlines
Mon, Mar 9 - Mon, Mar 16
ILM
Wilmington
OSL
Oslo
$549 Roundtrip, found 2 days ago
$549
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Mon, Mar 9 from Wilmington to Oslo, returning Mon, Mar 16, priced at $549 found 2 days ago
Delta
Tue, Nov 18 - Tue, Nov 25
ILM
Wilmington
OSL
Oslo
$573 Roundtrip, found 1 day ago
$573
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Nov 18 from Wilmington to Oslo, returning Tue, Nov 25, priced at $573 found 1 day ago
Delta
Mon, Mar 9 - Wed, Mar 18
ILM
Wilmington
OSL
Oslo
$577 Roundtrip, found 2 days ago
$577
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Mar 9 from Wilmington to Oslo, returning Wed, Mar 18, priced at $577 found 2 days ago
United
Mon, Nov 17 - Tue, Nov 25
ILM
Wilmington
OSL
Oslo
$578 Roundtrip, found 1 day ago
$578
Roundtrip
found 1 day ago
Select United flight, departing Mon, Nov 17 from Wilmington to Oslo, returning Tue, Nov 25, priced at $578 found 1 day ago
American Airlines
Mon, Mar 9 - Mon, Mar 16
ILM
Wilmington
OSL
Oslo
$581 Roundtrip, found 2 days ago
$581
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Mar 9 from Wilmington to Oslo, returning Mon, Mar 16, priced at $581 found 2 days ago
United
Sun, Nov 16 - Tue, Nov 25
ILM
Wilmington
OSL
Oslo
$583 Roundtrip, found 1 day ago
$583
Roundtrip
found 1 day ago
Select United flight, departing Sun, Nov 16 from Wilmington to Oslo, returning Tue, Nov 25, priced at $583 found 1 day ago
United
Sun, Mar 8 - Tue, Mar 17
ILM
Wilmington
OSL
Oslo
$589 Roundtrip, found 2 days ago
$589
Roundtrip
found 2 days ago
Select United flight, departing Sun, Mar 8 from Wilmington to Oslo, returning Tue, Mar 17, priced at $589 found 2 days ago
Delta
Tue, Oct 7 - Wed, Oct 15
ILM
Wilmington
OSL
Oslo
$600 Roundtrip, found 11 hours ago
$600
Roundtrip
found 11 hours ago
Select Delta flight, departing Tue, Oct 7 from Wilmington to Oslo, returning Wed, Oct 15, priced at $600 found 11 hours ago
British Airways
Thu, Jan 15 - Wed, Jan 28
ILM
Wilmington
OSL
Oslo
$626 Roundtrip, found 4 days ago
$626
Roundtrip
found 4 days ago
Select British Airways flight, departing Thu, Jan 15 from Wilmington to Oslo, returning Wed, Jan 28, priced at $626 found 4 days ago
Flights from Wilmington (ILM) to Oslo (OSL)
Origin airport
Wilmington Intl.
Destination airport
Gardermoen
Airlines serving
Air France, American Airlines, British Airways, Delta, KLM, Scandinavian Airlines, United, Virgin Atlantic
Roundtrip price
$518
Distance
4165 mi

Wilmington to Oslo Flights

The cheapest times to fly from Wilmington to Oslo

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

 

The best time to book a flight from Wilmington to Oslo

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

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 Oslo in 2025. You can also book with separate airlines for your outbound and return journeys, from $440 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 Oslo 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 Oslo 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 Intl. Airport (ILM) to Gardermoen Airport (OSL) cost?
Lock in a cheap one-way flight from $440 or cheap return flight from $519 from Wilmington Intl. Airport (ILM) to Gardermoen Airport (OSL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Wilmington Intl. Airport (ILM) to Gardermoen Airport (OSL)?
March is the cheapest month to fly from ILM to OSL. Traveling outside of peak seasons is often the key to finding a great deal.
What is the cheapest airline that flies from Wilmington Intl. Airport (ILM) to Gardermoen Airport (OSL)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll fly you from ILM to OSL. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from Wilmington Intl. Airport (ILM) to Gardermoen Airport (OSL)?
Nonstop flights from Wilmington Intl. Airport (ILM) to Gardermoen Airport (OSL) 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 select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ILM to OSL?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be 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 Wilmington Intl. Airport (ILM) to Gardermoen Airport (OSL)?
To avoid possible delays on the Wilmington Intl. Airport (ILM) to Gardermoen Airport (OSL) route, fly before 3 PM. Flights after this time 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 Wilmington Intl. Airport (ILM) to Gardermoen Airport (OSL) last-minute?
Last-minute bookings from ILM to OSL are usually more expensive. To secure the best prices, start looking for flights well in advance. That said, if you can play around with your travel dates, you may find a cheap fare just before your departure.
Is it cheaper to book an ILM to OSL flight and hotel package?
You'll typically save money by booking an ILM to OSL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've chosen your preferred flights and accommodations, consider other add-ons like car rentals, activities and tours.
Can I cancel or change the date of my flight from Wilmington Intl. Airport (ILM) to Gardermoen Airport (OSL)?
In most cases, you're able to reschedule or cancel your ILM to OSL flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you want more details, go to our Customer Service portal.

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*Available to One Key members.