Title: CA $621 Cheap United fights from Washington to Williston - Expedia.ca

  

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# CA $621 Cheap United fights from Washington (IAD) to Williston (XWA)

[View CA $621 flight on Mon, Sep 22, 2025](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:IAD,to:XWA,departure:22/09/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:620.80&airProductToken=AQpmCjEI1YIBEgQxNzI4GIgYIINpKNu2-AIwwrj4AjhIQABYAWoFMl9lY29yCEhBQTdBREVOCjEI1YIBEgQ1MjYxGINpINcFKJS5-AIwiLr4AjhIQABYAWoFMl9lY29yCEhBQTdBREVOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw)

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## United flights from Washington to Williston (IAD→XWA)

Prices were available within the past 7 days and start at CA $621 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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## Travel information

| Origin airport | Washington Dulles Intl. |
| --- | --- |
| Destination airport | Basin Intl. |
| Distance | 2327 km |

\*Available to Expedia members.