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$1,520 Cheap Flights from Singapore (SIN) to Williston (XWA)

View $1,520 flight on Sat, Dec 5, 2026Opens in a new window

Popular airlines from Singapore Changi Airport (SIN) to Williston, ND (XWA-Basin Intl.)

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Cheap Flights from Singapore to Williston (SIN-XWA)

Prices were available within the past 7 days and start at $1,520 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Changi Airport (SIN) to Basin Intl. Airport (XWA) cost?
Snag a cheap one-way flight from $1,520 or cheap return flight from Changi Airport (SIN) to Basin Intl. Airport (XWA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Changi Airport (SIN) to Basin Intl. Airport (XWA)?
Planning your getaway for can help you save, as it's the cheapest month for flights between SIN and XWA. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Changi Airport (SIN) to Basin Intl. Airport (XWA)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from SIN to XWA. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Changi Airport (SIN) to Basin Intl. Airport (XWA)?
There aren't any daily nonstop flights departing from Changi Airport (SIN) to Basin Intl. Airport (XWA). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way in no time.
What day of the week has the most flights from SIN to XWA?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on various factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Changi Airport (SIN) to Basin Intl. Airport (XWA)?
To avoid possible delays on the Changi Airport (SIN) to Basin Intl. Airport (XWA) route, fly before 3 PM. Departures after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Changi Airport (SIN) to Basin Intl. Airport (XWA) last-minute?
Waiting until just before your trip to book a flight from SIN to XWA often results in higher prices. While it's possible to find some last-minute offers, there's no guarantee. Keep your travel schedule open to maximize your chances of landing a bargain.
Is it cheaper to book a SIN to XWA flight and hotel package?
Compared with arranging hotels and flights separately, booking a SIN to XWA flight and hotel package with Expedia could result in significant savings. What's more, managing everything in one place takes the hassle out of planning your trip. Simply pick your flights and select from our wide range of stays, then tailor your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Changi Airport (SIN) to Basin Intl. Airport (XWA)?
If you booked your SIN to XWA flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Changi
Destination airport
Basin Intl.
Distance
8625 mi

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Singapore to Williston Flights

The cheapest times to fly from Singapore to Williston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Singapore to Williston are during the month of . You can find some of the cheapest flights from Singapore to Williston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Singapore to Williston

Sunday is one of the best days to book for cheap flights from Singapore to Williston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Singapore to Williston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Singapore to Williston in 2026. You can also book with separate airlines for your outbound and return journeys, from $1,520 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Singapore to Williston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Singapore to Williston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Singapore to Williston Flights

*Flight schedules are subject to change.

*Available to One Key members.