CA $1,137 Cheap Flights from St. Louis (STL) to Williston (XWA)

Start packing your suitcase, because round-trip flights between Lambert-St. Louis Intl. Airport (STL) and XWA start from . That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book now to lock in the best deal. Prices and availability are subject to change. Additional terms apply.

Each air carrier has a different set of terms and conditions. If you decide to cancel your vacation, visit our Customer Service Portal.

Select our "No change fees" filter to find flexible travel options for your flight from Lambert Field to Williston Basin Intl. Airport. This allows you to secure a great deal ahead of time and still have the freedom to reschedule without any extra fees. You'll just need to pay the difference in fare.

The flight time from STL to Basin Intl. Airport (XWA) is around 4 hours and 10 minutes. Put your earphones in, listen to your favourite playlist and your journey will whiz by.

It's around 1,500 kilometres from St. Louis to Williston, so you'll be strapped into your seat for a while. Keep yourself occupied by packing things like playing cards (if you're travelling with friends) or the latest bestseller.

Direct flights aren't available, so you'll need to make at least one stop between STL and Basin Intl. Airport (XWA). Use the layover time to stretch your legs and enjoy some personal space.

Flight prices fluctuate, so there are no guarantees. While last-minute deals between Lambert-St. Louis Intl. Airport (STL) and XWA are possible, it's also a good idea to keep an eye on prices well before you fly. In fact, some airlines announce their prices up to a year prior to the departure date. Expedia is constantly updating the best airfare bargains around, so keep checking back and be ready to lock in your seat when the fares dip.