Flights from Seattle (SEA) to Williston (ISN) with Star Alliance
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*Prices have been offered for round trips within the last 48 hours and might not be currently available. Not all Star Alliance Member Airlines or all fares/options are shown. Additional baggage fees, payment fees and fees for other optional services may apply. When booking, please check for restrictions on refunds, rebooking and baggage allowance that may apply. Prices may vary depending on the route and flights selected. Routings may include stopovers. Terms and conditions apply.
Weather in Williston
Saturday
broken clouds
05/04/2025
9°C
05/04/2025
broken clouds
Sunday
scattered clouds
06/04/2025
11°C
06/04/2025
scattered clouds
Monday
sky is clear
07/04/2025
8°C
07/04/2025
sky is clear
Tuesday
light rain
08/04/2025
16°C
08/04/2025
light rain
Wednesday
light rain
09/04/2025
11°C
09/04/2025
light rain
Thursday
scattered clouds
10/04/2025
11°C
10/04/2025
scattered clouds
Friday
broken clouds
11/04/2025
17°C
11/04/2025
broken clouds
Flight schedules from Seattle to Williston with Star Alliance member carriers
Please note that the flight schedules of our member carriers are subject to change on short notice. We recommend using our member airlines information page. for the latest flight updates, details on booking flexibility, as well as specific Frequent Flyer Program information.
- No outbound / inbound results found. Please check the 7-day look-up to find alternative flights available on other week days