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CA $688 Cheap Flights from Seattle (SEA) to Williston (XWA)

View CA $688 flight on Sat, Aug 15, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Williston, ND (XWA-Basin Intl.)

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Cheap flights from Seattle (SEA) to Williston (XWA)

Prices were available within the past 7 days and start at CA $688 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Williston, ND (XWA-Basin Intl.) cost?
You can find one-way and return flights from SEA to XWA with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when SEA to XWA ticket fares go up or down.
What is the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Williston, ND (XWA-Basin Intl.)?
The cheapest months to fly from SEA to XWA are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Williston, ND (XWA-Basin Intl.)?
Enter SEA to XWA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Williston, ND (XWA-Basin Intl.)?
United is one of the cheapest airlines offering connecting flights from Seattle - Tacoma Intl. (SEA) to Williston, ND (XWA-Basin Intl.), with return tickets starting from around CA$356 for flights that can be booked for departure within the next year. These flights typically include a layover in San Francisco Intl. (SFO). Prices are per adult, economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Williston, ND (XWA-Basin Intl.)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Williston, ND (XWA-Basin Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Williston, ND (XWA-Basin Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Williston, ND (XWA-Basin Intl.)?
There are approximately 14 connecting flights per day from Seattle - Tacoma Intl. (SEA) to Basin Intl. (XWA). Some common connection points include Denver Intl. (DEN), Minneapolis - St. Paul Intl. (MSP), and San Francisco Intl. (SFO).
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Williston, ND (XWA-Basin Intl.)?
The earliest flight from Seattle - Tacoma Intl. (SEA) to Basin Intl. (XWA) typically departs around 12:25 AM. This route is operated by Alaska Airlines and United. This is a seasonal service, active only in November. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Williston, ND (XWA-Basin Intl.)?
You'll find the most flights from Seattle - Tacoma Intl. (SEA) to Basin Intl. (XWA) on a Wednesday, with around 10 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include United, Delta, and Alaska Airlines. Flight schedules are fairly consistent throughout the week, with Wednesday offering notably more flight options compared to other days.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Williston, ND (XWA-Basin Intl.)?
The most popular departure times for flights from Seattle - Tacoma Intl. (SEA) to Basin Intl. (XWA) are in the early morning, from 6am to 9am. Many major carriers, including Delta and United, offer flights during this window. Many travelers prefer this because it allows for an early arrival at your destination, giving you more time to settle in or start your day.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Williston, ND (XWA-Basin Intl.)?
There are no nonstop flights from Seattle - Tacoma Intl. (SEA) to Williston, ND (XWA-Basin Intl.). For connecting flights, a one-stop journey typically takes around 6 hours. Flights with two or more stops usually take longer, averaging about 13 hours. The distance covered on this route is approximately 1,384 kilometres. Keep in mind that actual flight times can vary due to factors like layover duration, routing, and weather conditions.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Williston, ND (XWA-Basin Intl.)?
You can fly business class or first class between SEA and XWA. First class cabins are available on United.
How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Williston, ND (XWA-Basin Intl.) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Williston, ND (XWA-Basin Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Williston, ND (XWA) from Seattle, WA (SEA)?
If you're planning to travel to Williston from Seattle - Tacoma Intl. (SEA), you can fly directly into Basin Intl. (XWA) which offers international flights and connections. Some flights may connect through major hubs like Los Angeles Intl. (LAX), San Francisco Intl. (SFO), or Portland Intl. (PDX) before reaching Williston. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Williston, ND (XWA-Basin Intl.) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Williston, ND (XWA-Basin Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Williston, ND (XWA-Basin Intl.) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Williston, ND (XWA-Basin Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Williston, ND (XWA-Basin Intl.)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Williston, ND (XWA-Basin Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. 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
Seattle - Tacoma Intl.
Destination airport
Basin Intl.
Distance
1375 km

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Seattle to Williston Flights

The easy way to book your flights from Seattle to Williston 

With Expedia, it’s simple to find and book flights to Williston from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 18 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 Seattle to Williston today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Basin Intl., XWA 

Sort your search results by price to find great deals on your flight from Seattle to Williston—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Williston from Seattle 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 Seattle 

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.

Seattle to Williston Flights

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