$295 Cheap Flights from Bismarck (BIS) to Wilmington (ILM)

View $295 flight on Thu, Oct 2, 2025Opens in a new window

Popular airlines from Bismarck, ND (BIS-Bismarck Municipal) to Wilmington Intl. Airport (ILM)

Cheap Flights from Bismarck to Wilmington (BIS-ILM)

Prices were available within the past 7 days and start at $295 for one-way flights and $349 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Sep 4 - Wed, Sep 10
BIS
Bismarck
ILM
Wilmington
$349 Roundtrip, found 4 days ago
$349
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Sep 4 from Bismarck to Wilmington, returning Wed, Sep 10, priced at $349 found 4 days ago
Delta
Sun, Sep 7 - Sat, Sep 20
BIS
Bismarck
ILM
Wilmington
$353 Roundtrip, found 4 days ago
$353
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Sep 7 from Bismarck to Wilmington, returning Sat, Sep 20, priced at $353 found 4 days ago
American Airlines
Thu, Sep 4 - Wed, Sep 24
BIS
Bismarck
ILM
Wilmington
$354 Roundtrip, found 4 days ago
$354
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Sep 4 from Bismarck to Wilmington, returning Wed, Sep 24, priced at $354 found 4 days ago
Delta
Sun, Sep 7 - Sun, Sep 21
BIS
Bismarck
ILM
Wilmington
$359 Roundtrip, found 4 days ago
$359
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Sep 7 from Bismarck to Wilmington, returning Sun, Sep 21, priced at $359 found 4 days ago
American Airlines
Wed, Sep 3 - Wed, Sep 10
BIS
Bismarck
ILM
Wilmington
$374 Roundtrip, found 4 days ago
$374
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Sep 3 from Bismarck to Wilmington, returning Wed, Sep 10, priced at $374 found 4 days ago
Delta
Mon, Sep 1 - Sat, Sep 20
BIS
Bismarck
ILM
Wilmington
$378 Roundtrip, found 4 days ago
$378
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Sep 1 from Bismarck to Wilmington, returning Sat, Sep 20, priced at $378 found 4 days ago
American Airlines
Wed, Sep 3 - Wed, Sep 24
BIS
Bismarck
ILM
Wilmington
$379 Roundtrip, found 4 days ago
$379
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Sep 3 from Bismarck to Wilmington, returning Wed, Sep 24, priced at $379 found 4 days ago
Delta
Sun, Sep 7 - Tue, Sep 23
BIS
Bismarck
ILM
Wilmington
$381 Roundtrip, found 4 days ago
$381
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Sep 7 from Bismarck to Wilmington, returning Tue, Sep 23, priced at $381 found 4 days ago
Delta
Mon, Sep 1 - Sun, Sep 21
BIS
Bismarck
ILM
Wilmington
$384 Roundtrip, found 4 days ago
$384
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Sep 1 from Bismarck to Wilmington, returning Sun, Sep 21, priced at $384 found 4 days ago
United
Thu, Sep 4 - Sat, Sep 6
BIS
Bismarck
ILM
Wilmington
$811 Roundtrip, found 4 days ago
$811
Roundtrip
found 4 days ago
Select United flight, departing Thu, Sep 4 from Bismarck to Wilmington, returning Sat, Sep 6, priced at $811 found 4 days ago

Alternative airports near Wilmington

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

Select flight to Wilmington Intl. ILM. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $378
ILM
Wilmington Intl.
CheapestClosest
Average driving time to city center7 min
Flights from $378
Flights from Bismarck (BIS) to Wilmington (ILM)
Origin airport
Bismarck Municipal
Destination airport
Wilmington Intl.
Roundtrip price
$348
Distance
1469 mi

Bismarck to Wilmington Flights

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

 

The best time to book a flight from Bismarck to Wilmington

Sunday is one of the best days to book for cheap flights from Bismarck 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 Bismarck 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 Bismarck to Wilmington in 2025. You can also book with separate airlines for your outbound and return journeys, from $295 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 Bismarck 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 Bismarck 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.

 

Frequently asked questions

How much does a flight from Bismarck Municipal Airport (BIS) to Wilmington Intl. Airport (ILM) cost?
Get a cheap one-way flight from $295 or cheap return flight from $349 from Bismarck Municipal Airport (BIS) to Wilmington Intl. Airport (ILM) 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 Bismarck Municipal Airport (BIS) to Wilmington Intl. Airport (ILM)?
The cheapest month to fly from BIS to ILM is September, when demand is low. Off-peak months are usually when airlines offer better prices between these airports.
What is the cheapest airline that flies from Bismarck Municipal Airport (BIS) to Wilmington Intl. Airport (ILM)?
To find the cheapest airline flying from BIS to ILM, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Bismarck Municipal Airport (BIS) to Wilmington Intl. Airport (ILM)?
Direct flights from Bismarck Municipal Airport (BIS) to Wilmington Intl. Airport (ILM) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BIS to ILM?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change based on a range of factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Bismarck Municipal Airport (BIS) to Wilmington Intl. Airport (ILM)?
To avoid possible delays on the Bismarck Municipal Airport (BIS) to Wilmington Intl. Airport (ILM) route, travel before 3 PM. Departures after this hour are 22% more likely to be canceled.**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 Bismarck Municipal Airport (BIS) to Wilmington Intl. Airport (ILM) last-minute?
Holding off until right before your break to book your flight from BIS to ILM often results in higher prices. Although you may find some last-minute offers, there's no guarantee. Be flexible with your itinerary for the best chance of snagging a bargain.
Is it cheaper to book a BIS to ILM flight and hotel package?
Compared with arranging flights and hotels separately, booking a BIS to ILM flight and hotel package with Expedia could result in significant savings. Better still, having everything in one convenient place takes the hassle out of planning your trip. Just secure your flights and choose from our extensive range of stays, then customize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Bismarck Municipal Airport (BIS) to Wilmington Intl. Airport (ILM)?
Typically, you're able to reschedule or cancel your BIS to ILM flight. However, additional fees may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like more information, head to our Customer Service portal.

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*Available to One Key members.