Title: CA $406 Cheap Flights from San Diego (SAN) to Williston (XWA) - Expedia.ca ![Fort Union Trading Post National Historic Site](https://images.trvl-media.com/place/1636/216762a5-d8a6-4666-828a-1f78827c1e83.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/1636/216762a5-d8a6-4666-828a-1f78827c1e83.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $406 Cheap Flights from San Diego (SAN) to Williston (XWA) [View CA $406 flight on Sat, Dec 6, 2025](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:SAN,to:XWA,departure:06/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:405.50&airProductToken=AQqlAQo1CMSYARIEMTExNxiSaCDyEij3_v4CMPn__gI4RUAAWAFqCU1BSU5CQVNJQ3IIVkFWU0EwQlEKNQjEmAESBDI5MzYY8hIgzHwoi4L_AjClg_8COEVAAVgBaglNQUlOQkFTSUNyCFRBVk5BMEJRCjUIxJgBEgQ0Mjg5GMx8INcFKNaE_wIw2oX_AjhFQAFYAWoJTUFJTkJBU0lDcghUQVZOQTBCURIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from San Diego Intl. Airport (SAN) to Williston, ND (XWA-Basin Intl.) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:SAN,to:XWA,departure:27/11/2025TANYT&leg2=from:XWA,to:SAN,departure:04/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:SAN,to:XWA,departure:27/11/2025TANYT&leg2=from:XWA,to:SAN,departure:04/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Cheap flights from San Diego (SAN) to Williston (XWA) Prices were available within the past 7 days and start at CA $406 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ## Find the cheapest month to fly from San Diego (SAN) to Williston (XWA) ### July is typically the cheapest month to fly From CA $364 - CA $1,074 per traveller. Flight from San Diego to Williston (SAN - XWA) route information | Origin airport | San Diego Intl. | | --- | --- | | Destination airport | Basin Intl. | | Distance | 2048 km | ## San Diego to Williston Flights **The easy way to book your flights from San Diego to Williston**  With Expedia, it’s simple to find and book flights to Williston from San Diego whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 6 airlines that cover this route. There are nonstop flights to Basin Intl., too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from San Diego to Williston today, tomorrow, or this week.   **Save dollars with cheap flights from San Diego Intl., SAN to Basin Intl., XWA**  Sort your search results by price to find great deals on your flight from San Diego to Williston—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Williston from San Diego currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Williston   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Williston from San Diego**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Williston with Expedia today. ## Frequently asked questions ### How much is a flight from SAN to Basin Intl. Airport (XWA)? > Based on airfares listed within the last 7 days on Expedia for flights departing within the next year, round-trip flights from San Diego Intl. Airport (SAN) to XWA start from . Make your booking ASAP to score the best price for your next big adventure. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from San Diego Airport to XWA? > We get that life can throw the odd curveball, so we've made it as simple as possible for you to cancel your trip online. Just head to the [Customer Service Portal](https://www.expedia.ca/helpcenter) and follow the instructions. ### How do I find cheap flights from San Diego Airport to XWA that have flexible change policies? > Flights from SAN to Williston Basin Intl. Airport with flexible change policies are available with many carriers. Simply use our "No change fees" filter when searching. You'll only need to cover the cost difference between flights, without any added fees to worry about. ### How many hours is the flight from San Diego Intl. Airport (SAN) to Basin Intl. Airport (XWA)? > The flight time from San Diego Airport to Basin Intl. Airport (XWA) is around 5 hours and 10 minutes. Put your earphones in, listen to your favourite playlist and the hours in the air will whiz by. ### How far is the flight from San Diego Airport to Williston Basin Intl. Airport? > The flight distance between SAN and Williston Basin Intl. Airport is 2,100 kilometres. Bring along a drink, a snack and a few good podcasts. Keep yourself occupied and the hours will fly by. ### Which airlines fly direct from San Diego Intl. Airport (SAN) to Basin Intl. Airport (XWA)? > If you want to travel straight from San Diego Airport to Basin Intl. Airport (XWA), you'll need to book a flight with one or more stops. Unfortunately, there are no airlines that fly directly on this route. ### Are San Diego Airport to Basin Intl. Airport (XWA) flight tickets cheaper when they're purchased at the last minute? > Flight prices go up and down like a yo-yo, so not always. While last-minute flight deals between San Diego Intl. Airport (SAN) and XWA are of course possible, it also makes sense to keep a close eye on prices well before you fly. In fact, some air carriers release their prices up to a year before the departure date. Expedia is constantly updating the biggest bargains around, so check back often and be ready to pounce when prices drop. ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Vacation Rental ### Lodging - [5 Star Hotels in Williston](https://www.expedia.ca/5Star-Williston-Hotels.s50-0-d1636.Travel-Guide-Filter-Hotels) - [Hotels near CHI St. Alexius Health - Williston Medical Center](https://www.expedia.ca/CHI-St-Alexius-Health-Williston-Medical-Center-Hotels.0-l553248634341018165-0.Travel-Guide-Filter-Hotels) - [Epping Hotels](https://www.expedia.ca/Epping-Hotels.d6360613.Travel-Guide-Hotels) - [Hotels near Fort Union Trading Post](https://www.expedia.ca/Fort-Union-Trading-Post-Hotels.0-l553248621533115664-0.Travel-Guide-Filter-Hotels) - [Vacation Homes in Springbrook](https://www.expedia.ca/Springbrook-Private-Vacation-Homes.d553248634983382294-aaPrivateVacationHomes.Travel-Guide-Accommodation) - [Aparthotels in Trenton](https://www.expedia.ca/Trenton-Apart-Hotels.d6341419-aaApartHotels.Travel-Guide-Accommodation) - 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