$126 Cheap Flights from Buffalo (BUF) to Bismarck (BIS)

View $126 flight on Tue, Apr 14, 2026Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Bismarck, ND (BIS-Bismarck Municipal)

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Cheap Flights from Buffalo to Bismarck (BUF-BIS)

Prices were available within the past 7 days and start at $126 for one-way flights and $267 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Apr 14 - Sat, May 2
BUF
Buffalo
BIS
Bismarck
$267 Roundtrip, found 11 hours ago
$267
Roundtrip
found 11 hours ago
Select Delta flight, departing Tue, Apr 14 from Buffalo to Bismarck, returning Sat, May 2, priced at $267 found 11 hours ago
Delta
Fri, Apr 17 - Sat, May 2
BUF
Buffalo
BIS
Bismarck
$278 Roundtrip, found 11 hours ago
$278
Roundtrip
found 11 hours ago
Select Delta flight, departing Fri, Apr 17 from Buffalo to Bismarck, returning Sat, May 2, priced at $278 found 11 hours ago
American Airlines
Thu, Apr 30 - Mon, May 4
BUF
Buffalo
BIS
Bismarck
$279 Roundtrip, found 1 day ago
$279
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Apr 30 from Buffalo to Bismarck, returning Mon, May 4, priced at $279 found 1 day ago
Delta
Fri, Apr 24 - Wed, May 6
BUF
Buffalo
BIS
Bismarck
$293 Roundtrip, found 11 hours ago
$293
Roundtrip
found 11 hours ago
Select Delta flight, departing Fri, Apr 24 from Buffalo to Bismarck, returning Wed, May 6, priced at $293 found 11 hours ago
Delta
Fri, Apr 17 - Tue, Apr 28
BUF
Buffalo
BIS
Bismarck
$304 Roundtrip, found 11 hours ago
$304
Roundtrip
found 11 hours ago
Select Delta flight, departing Fri, Apr 17 from Buffalo to Bismarck, returning Tue, Apr 28, priced at $304 found 11 hours ago
Delta
Fri, Jul 24 - Sun, Aug 9
BUF
Buffalo
BIS
Bismarck
$309 Roundtrip, found 11 hours ago
$309
Roundtrip
found 11 hours ago
Select Delta flight, departing Fri, Jul 24 from Buffalo to Bismarck, returning Sun, Aug 9, priced at $309 found 11 hours ago
Delta
Sat, Apr 18 - Tue, Apr 28
BUF
Buffalo
BIS
Bismarck
$319 Roundtrip, found 11 hours ago
$319
Roundtrip
found 11 hours ago
Select Delta flight, departing Sat, Apr 18 from Buffalo to Bismarck, returning Tue, Apr 28, priced at $319 found 11 hours ago
Delta
Wed, Apr 22 - Wed, May 6
BUF
Buffalo
BIS
Bismarck
$328 Roundtrip, found 11 hours ago
$328
Roundtrip
found 11 hours ago
Select Delta flight, departing Wed, Apr 22 from Buffalo to Bismarck, returning Wed, May 6, priced at $328 found 11 hours ago
American Airlines
Tue, Apr 21 - Tue, May 5
BUF
Buffalo
BIS
Bismarck
$331 Roundtrip, found 11 hours ago
$331
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Tue, Apr 21 from Buffalo to Bismarck, returning Tue, May 5, priced at $331 found 11 hours ago
United
Sat, Apr 25 - Sat, May 9
BUF
Buffalo
BIS
Bismarck
$336 Roundtrip, found 11 hours ago
$336
Roundtrip
found 11 hours ago
Select United flight, departing Sat, Apr 25 from Buffalo to Bismarck, returning Sat, May 9, priced at $336 found 11 hours ago

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Alternative airports near Bismarck

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

Select flight to Bismarck Municipal BIS. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $319
BIS
Bismarck Municipal
CheapestClosest
Average driving time to city center6 min
Flights from $319
Flights from Buffalo (BUF) to Bismarck (BIS)
Origin airport
Buffalo Niagara Intl.
Destination airport
Bismarck Municipal
Airlines serving
American Airlines, Delta, United
Roundtrip price
$267
Distance
1106 mi

Buffalo to Bismarck Flights

The cheapest times to fly from Buffalo to Bismarck

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

 

The best time to book a flight from Buffalo to Bismarck

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

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 Bismarck in 2026. You can also book with separate airlines for your outbound and return journeys, from $126 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 Bismarck 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 Bismarck 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.

 

Frequently asked questions

How much does a flight from Buffalo Niagara Intl. Airport (BUF) to Bismarck Municipal Airport (BIS) cost?
Get a cheap one-way flight from $126 or cheap return flight from $267 from Buffalo Niagara Intl. Airport (BUF) to Bismarck Municipal Airport (BIS) 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 Buffalo Niagara Intl. Airport (BUF) to Bismarck Municipal Airport (BIS)?
April is the cheapest month to fly from BUF to BIS. Planning your trip for the off-season is often the key to better flight prices.
What is the cheapest airline that flies from Buffalo Niagara Intl. Airport (BUF) to Bismarck Municipal Airport (BIS)?
To find the cheapest airline that'll fly you from BUF to BIS, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Buffalo Niagara Intl. Airport (BUF) to Bismarck Municipal Airport (BIS)?
There aren't any daily direct flights available from Buffalo Niagara Intl. Airport (BUF) to Bismarck Municipal Airport (BIS). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from BUF to BIS?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change depending on various factors, such as the airline and season.*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 Bismarck Municipal Airport (BIS)?
Book a flight from Buffalo Niagara Intl. Airport (BUF) to Bismarck Municipal Airport (BIS) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour 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 Buffalo Niagara Intl. Airport (BUF) to Bismarck Municipal Airport (BIS) last-minute?
Last-minute bookings from BUF to BIS are typically more expensive. To secure the best prices, start looking for flights as soon as possible. That said, if you can play around with your travel dates, you may find a cheap fare right before your journey.
Is it cheaper to book a BUF to BIS flight and hotel package?
You'll generally save money by securing a BUF to BIS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've chosen your preferred flights and accommodations, consider other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Buffalo Niagara Intl. Airport (BUF) to Bismarck Municipal Airport (BIS)?
It's generally possible to reschedule or cancel your BUF to BIS flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

*Flight schedules are subject to change.

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