$384 Cheap Flights from Moline (MLI) to Williston (XWA)

View $384 flight on Thu, Nov 13, 2025Opens in a new window

Popular airlines from Quad City Intl. Airport (MLI) to Williston, ND (XWA-Basin Intl.)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Moline to Williston (MLI-XWA)

Prices were available within the past 7 days and start at $384 for one-way flights and $428 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Dec 6 - Sun, Dec 14
MLI
Moline
XWA
Williston
$428 Roundtrip, found 4 days ago
$428
Roundtrip
found 4 days ago
Select United flight, departing Sat, Dec 6 from Moline to Williston, returning Sun, Dec 14, priced at $428 found 4 days ago
United
Sat, Dec 6 - Tue, Dec 16
MLI
Moline
XWA
Williston
$453 Roundtrip, found 4 days ago
$453
Roundtrip
found 4 days ago
Select United flight, departing Sat, Dec 6 from Moline to Williston, returning Tue, Dec 16, priced at $453 found 4 days ago
Delta
Mon, Dec 8 - Mon, Dec 15
MLI
Moline
XWA
Williston
$458 Roundtrip, found 4 days ago
$458
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Dec 8 from Moline to Williston, returning Mon, Dec 15, priced at $458 found 4 days ago
United
Thu, Dec 11 - Sun, Dec 14
MLI
Moline
XWA
Williston
$467 Roundtrip, found 4 days ago
$467
Roundtrip
found 4 days ago
Select United flight, departing Thu, Dec 11 from Moline to Williston, returning Sun, Dec 14, priced at $467 found 4 days ago
United
Wed, Dec 10 - Sun, Dec 14
MLI
Moline
XWA
Williston
$473 Roundtrip, found 4 days ago
$473
Roundtrip
found 4 days ago
Select United flight, departing Wed, Dec 10 from Moline to Williston, returning Sun, Dec 14, priced at $473 found 4 days ago
Delta
Fri, Dec 5 - Mon, Dec 15
MLI
Moline
XWA
Williston
$478 Roundtrip, found 4 days ago
$478
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Dec 5 from Moline to Williston, returning Mon, Dec 15, priced at $478 found 4 days ago
United
Thu, Dec 11 - Tue, Dec 16
MLI
Moline
XWA
Williston
$493 Roundtrip, found 4 days ago
$493
Roundtrip
found 4 days ago
Select United flight, departing Thu, Dec 11 from Moline to Williston, returning Tue, Dec 16, priced at $493 found 4 days ago
United
Wed, Dec 10 - Tue, Dec 16
MLI
Moline
XWA
Williston
$498 Roundtrip, found 4 days ago
$498
Roundtrip
found 4 days ago
Select United flight, departing Wed, Dec 10 from Moline to Williston, returning Tue, Dec 16, priced at $498 found 4 days ago
United
Fri, Dec 5 - Sun, Dec 14
MLI
Moline
XWA
Williston
$507 Roundtrip, found 4 days ago
$507
Roundtrip
found 4 days ago
Select United flight, departing Fri, Dec 5 from Moline to Williston, returning Sun, Dec 14, priced at $507 found 4 days ago
United
Sat, Dec 6 - Fri, Dec 12
MLI
Moline
XWA
Williston
$508 Roundtrip, found 4 days ago
$508
Roundtrip
found 4 days ago
Select United flight, departing Sat, Dec 6 from Moline to Williston, returning Fri, Dec 12, priced at $508 found 4 days ago

Frequently asked questions

How much does a flight from Quad City Intl. Airport (MLI) to Basin Intl. Airport (XWA) cost?
Lock in a cheap one-way flight from $384 or cheap return flight from $428 from Quad City Intl. Airport (MLI) 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 Quad City Intl. Airport (MLI) to Basin Intl. Airport (XWA)?
December is the least expensive month to fly from MLI to XWA. Traveling during an off-peak travel window is often the key to better flight prices.
What is the cheapest airline that flies from Quad City Intl. Airport (MLI) to Basin Intl. Airport (XWA)?
To find the cheapest airline flying from MLI to XWA, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Quad City Intl. Airport (MLI) to Basin Intl. Airport (XWA)?
Direct flights from Quad City Intl. Airport (MLI) to Basin Intl. Airport (XWA) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from MLI to XWA?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Quad City Intl. Airport (MLI) to Basin Intl. Airport (XWA)?
Select a flight from Quad City Intl. Airport (MLI) to Basin Intl. Airport (XWA) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**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 Quad City Intl. Airport (MLI) to Basin Intl. Airport (XWA) last-minute?
Waiting until right before your break to book your flight from MLI to XWA often results in higher prices. Although you may find some last-minute offers, there's no guarantee. Keep your travel plans flexible for the best chance of landing a bargain.
Is it cheaper to book a MLI to XWA flight and hotel package?
You can save money by booking a MLI to XWA flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've selected your preferred flights and accommodations, consider adding extras including activities, car rentals and tours.
Can I cancel or change the date of my flight from Quad City Intl. Airport (MLI) to Basin Intl. Airport (XWA)?
If you reserved your MLI to XWA flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare 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 want more information.

Travel information

Origin airport
Quad City Intl.
Destination airport
Basin Intl.
Roundtrip price
$427
Distance
799 mi

Book with confidence

Moline to Williston Flights

The cheapest times to fly from Moline 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 Moline to Williston are during the month of December. You can find some of the cheapest flights from Moline to Williston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Moline to Williston

Sunday is one of the best days to book for cheap flights from Moline 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 Moline 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 Moline to Williston in 2025. You can also book with separate airlines for your outbound and return journeys, from $384 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 Moline 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 Moline 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.

 

Moline to Williston Flights

Explore a world of travel with Expedia

*Available to One Key members.