The cheapest times to fly from BIS to ILM are

  • January 1st to February 4th
  • April 2nd to May 20th
  • June 4th to June 17th
  • July 9th to July 29th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from BIS to ILM is early to mid January. Prices can be as high as $845 for Sunday flights during early to mid August, or as low as $318 for Tuesday flights around early to mid January.


When to Fly to Wilmington

Flying from Bismarck/Mandan, ND (BIS) to Wilmington, NC (ILM) will usually cost between $321 to $704 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid January with an average ticket price of $395. Due to high demand the most expensive time to fly is early to mid August, with an average price of $763. Planning your trip to low-cost times can easily save you $368 on economy flights and even more on first-class flights. Generally, any price below $485 can be considered a good price for a round-trip BIS to ILM flight.

See below for a graph of average weekly prices for the BIS to ILM route. All prices are for round-trip tickets in USD.

BIS to ILM Flight Prices

Compared to other flights, the BIS to ILM flight is much cheaper than the average and costs less than the average flight leaving from Bismarck. The average price per mile (for a direct flight) is $0.21, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $108 (20%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $440. Return trip prices are from the ILM to BIS flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from BIS to ILM can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 3 hour 38 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from BIS to ILM while comparing.

Destination alternative #1: Raleigh-Durham International Airport (RDU) in Raleigh/Durham, NC

  • 122 miles (196 km) away from ILM
  • Usually 22.06% less expensive than ILM
  • 1-layover flights available

See BIS to RDU flights


Flight Questions Answered

Still have questions about flying from BIS to ILM? We’ve got answers.

Which airlines fly this route?

You can find 3 major airlines flying this route most often: American, Delta, United, and potentially more during busy seasons.

How far away is it from Wilmington International Airport to Bismarck Municipal Airport?

The distance between the two airports is roughly 1469 miles or 2364 kilometers.

How long does it take to fly from BIS to ILM?

The real-world flight time for a nonstop BIS to ILM flight is about 3 hour 38 minutes.

How many flights go between Bismarck/Mandan, ND and Wilmington, NC?

It depends on the day of the week and the date, but a typical day might have around 19 available flights from BIS to ILM.


Airport Location Info


Departing Airport

Origination codeBIS
Origination airport nameBismarck Municipal Airport
CityBismarck/Mandan, ND
Countrythe United States

Return Airport

Destination codeILM
Destination airport nameWilmington International Airport
CityWilmington, NC
Countrythe United States


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.