$251 Cheap Flights from Buffalo (BUF) to Marion (MWA)

View $251 flight on Wed, Nov 19, 2025Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Marion, IL (MWA-Williamson County Regional)

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Cheap Flights from Buffalo to Marion (BUF-MWA)

Prices were available within the past 7 days and start at $251 for one-way flights and $472 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Dec 13 - Wed, Dec 31
BUF
Buffalo
MWA
Marion
$472 Roundtrip, found 3 days ago
$472
Roundtrip
found 3 days ago
Select United flight, departing Sat, Dec 13 from Buffalo to Marion, returning Wed, Dec 31, priced at $472 found 3 days ago
United
Tue, Dec 2 - Tue, Dec 16
BUF
Buffalo
MWA
Marion
$476 Roundtrip, found 3 days ago
$476
Roundtrip
found 3 days ago
Select United flight, departing Tue, Dec 2 from Buffalo to Marion, returning Tue, Dec 16, priced at $476 found 3 days ago
United
Thu, Nov 27 - Fri, Dec 12
BUF
Buffalo
MWA
Marion
$482 Roundtrip, found 3 days ago
$482
Roundtrip
found 3 days ago
Select United flight, departing Thu, Nov 27 from Buffalo to Marion, returning Fri, Dec 12, priced at $482 found 3 days ago
United
Mon, Dec 15 - Wed, Dec 31
BUF
Buffalo
MWA
Marion
$484 Roundtrip, found 3 days ago
$484
Roundtrip
found 3 days ago
Select United flight, departing Mon, Dec 15 from Buffalo to Marion, returning Wed, Dec 31, priced at $484 found 3 days ago
United
Sat, Dec 13 - Thu, Jan 1
BUF
Buffalo
MWA
Marion
$488 Roundtrip, found 3 days ago
$488
Roundtrip
found 3 days ago
Select United flight, departing Sat, Dec 13 from Buffalo to Marion, returning Thu, Jan 1, priced at $488 found 3 days ago
United
Mon, Nov 24 - Wed, Dec 10
BUF
Buffalo
MWA
Marion
$492 Roundtrip, found 3 days ago
$492
Roundtrip
found 3 days ago
Select United flight, departing Mon, Nov 24 from Buffalo to Marion, returning Wed, Dec 10, priced at $492 found 3 days ago
United
Thu, Nov 27 - Sun, Dec 7
BUF
Buffalo
MWA
Marion
$494 Roundtrip, found 3 days ago
$494
Roundtrip
found 3 days ago
Select United flight, departing Thu, Nov 27 from Buffalo to Marion, returning Sun, Dec 7, priced at $494 found 3 days ago
United
Wed, Nov 19 - Mon, Dec 1
BUF
Buffalo
MWA
Marion
$496 Roundtrip, found 3 days ago
$496
Roundtrip
found 3 days ago
Select United flight, departing Wed, Nov 19 from Buffalo to Marion, returning Mon, Dec 1, priced at $496 found 3 days ago
United
Sat, Dec 6 - Sun, Dec 21
BUF
Buffalo
MWA
Marion
$498 Roundtrip, found 3 days ago
$498
Roundtrip
found 3 days ago
Select United flight, departing Sat, Dec 6 from Buffalo to Marion, returning Sun, Dec 21, priced at $498 found 3 days ago
United
Mon, Dec 15 - Thu, Jan 1
BUF
Buffalo
MWA
Marion
$500 Roundtrip, found 3 days ago
$500
Roundtrip
found 3 days ago
Select United flight, departing Mon, Dec 15 from Buffalo to Marion, returning Thu, Jan 1, priced at $500 found 3 days ago

Alternative airports near Marion

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Williamson County Regional MWA. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $542
MWA
Williamson County Regional
CheapestClosest
Average driving time to city center8 min
Flights from $542

Frequently asked questions

How much does a flight from Buffalo Niagara Intl. Airport (BUF) to Williamson County Regional Airport (MWA) cost?
Snag a cheap one-way flight from $251 or cheap return flight from $472 from Buffalo Niagara Intl. Airport (BUF) to Williamson County Regional Airport (MWA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Buffalo Niagara Intl. Airport (BUF) to Williamson County Regional Airport (MWA)?
Traveling in December is a good way to save, as it's the cheapest month for flights between BUF and MWA. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Buffalo Niagara Intl. Airport (BUF) to Williamson County Regional Airport (MWA)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll take you from BUF to MWA. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from Buffalo Niagara Intl. Airport (BUF) to Williamson County Regional Airport (MWA)?
You'll have to book a flight with a layover if you're traveling from Buffalo Niagara Intl. Airport (BUF) to Williamson County Regional Airport (MWA). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from BUF to MWA?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Buffalo Niagara Intl. Airport (BUF) to Williamson County Regional Airport (MWA)?
To reach Williamson County Regional Airport (MWA) on time, opt for a flight that leaves Buffalo Niagara Intl. Airport (BUF) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Buffalo Niagara Intl. Airport (BUF) to Williamson County Regional Airport (MWA) last-minute?
Booking your plane ticket from BUF to MWA shortly before your getaway is typically more expensive. 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 BUF to MWA flight and hotel package?
Compared with arranging flights and hotels separately, booking a BUF to MWA flight and hotel package with Expedia could lead to significant savings. Better yet, having it all in one place takes the hassle out of planning your trip. Just secure your flights and select from our extensive range of stays, then customize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Buffalo Niagara Intl. Airport (BUF) to Williamson County Regional Airport (MWA)?
If you booked your BUF to MWA flight in 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 purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

Travel information

Origin airport
Buffalo Niagara Intl.
Destination airport
Williamson County Regional
Roundtrip price
$472
Distance
648 mi

Book with confidence

Buffalo to Marion Flights

The cheapest times to fly from Buffalo to Marion

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 Buffalo to Marion are during the month of December. You can find some of the cheapest flights from Buffalo to Marion with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Buffalo to Marion

Sunday is one of the best days to book for cheap flights from Buffalo to Marion: 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 Buffalo to Marion

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 Buffalo to Marion in 2025. You can also book with separate airlines for your outbound and return journeys, from $251 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 Buffalo to Marion 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 Buffalo to Marion 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.

 

Buffalo to Marion Flights

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*Available to One Key members.