Cheap Southwest Airlines flights Bismarck (BIS) to Tulsa (TUL)

Finding cheap one-way Southwest Airlines flights from BIS to TUL on Expedia is a cinch — just filter by “Price (lowest to highest).” Or check out our budget-friendly return fares for your next break.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Search for return or one-way flights to Tulsa in January or December. You could find an affordable fare with Southwest Airlines during these off-peak travel months.

Begin your search one to three months ahead of your travel date to get cheaper fares on Southwest Airlines flights from Bismarck Municipal Airport (BIS) to Tulsa Intl. Airport (TUL). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Nail your timing, and you can enjoy significant savings on domestic trips.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

To figure out if there’s a direct trip from BIS to TUL with Southwest Airlines or another airline, check the “Nonstop” filter when browsing for flights.

Search Southwest Airlines’s earliest flights from BIS to TUL by selecting our “Morning” and “Early Morning” filters. Not only will you arrive sooner, early departures are also 20% less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Hop on a Southwest Airlines flight from Bismarck Municipal Airport (BIS) to Tulsa, and you’ll likely come in to Tulsa Intl. Airport (TUL). This is the airline’s primary hub here.

In most cases, you can cancel or reschedule your flight, although there may be additional fees if you made your booking more than 24 hours ago. Need to keep your options open? Apply the “Changes included” or “No cancel fee” filter to find flights that won’t penalize you if you have to revise your plans. To update your booking, go to “Trips,” select your flight and click on “Manage Booking” for further information.