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

View $126 flight on Tue, Oct 28, 2025Opens in a new window

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

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Cheap Flights from Bismarck to Buffalo (BIS-BUF)

Prices were available within the past 7 days and start at $126 for one-way flights and $251 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Oct 28 - Sat, Nov 1
BIS
Bismarck
BUF
Buffalo
$251 Roundtrip, found 5 days ago
$251
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Oct 28 from Bismarck to Buffalo, returning Sat, Nov 1, priced at $251 found 5 days ago
American Airlines
Tue, Oct 21 - Wed, Oct 29
BIS
Bismarck
BUF
Buffalo
$259 Roundtrip, found 22 hours ago
$259
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Tue, Oct 21 from Bismarck to Buffalo, returning Wed, Oct 29, priced at $259 found 22 hours ago
American Airlines
Tue, Oct 28 - Sat, Nov 1
BIS
Bismarck
BUF
Buffalo
$262 Roundtrip, found 5 days ago
$262
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Oct 28 from Bismarck to Buffalo, returning Sat, Nov 1, priced at $262 found 5 days ago
Delta
Tue, Nov 4 - Mon, Nov 10
BIS
Bismarck
BUF
Buffalo
$263 Roundtrip, found 4 days ago
$263
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Nov 4 from Bismarck to Buffalo, returning Mon, Nov 10, priced at $263 found 4 days ago
Delta
Tue, Nov 4 - Wed, Nov 12
BIS
Bismarck
BUF
Buffalo
$267 Roundtrip, found 4 days ago
$267
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Nov 4 from Bismarck to Buffalo, returning Wed, Nov 12, priced at $267 found 4 days ago
Delta
Wed, Nov 5 - Thu, Nov 27
BIS
Bismarck
BUF
Buffalo
$268 Roundtrip, found 5 days ago
$268
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Nov 5 from Bismarck to Buffalo, returning Thu, Nov 27, priced at $268 found 5 days ago
Delta
Mon, Nov 3 - Thu, Nov 20
BIS
Bismarck
BUF
Buffalo
$269 Roundtrip, found 5 days ago
$269
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Nov 3 from Bismarck to Buffalo, returning Thu, Nov 20, priced at $269 found 5 days ago
Delta
Wed, Nov 19 - Tue, Dec 9
BIS
Bismarck
BUF
Buffalo
$288 Roundtrip, found 5 days ago
$288
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Nov 19 from Bismarck to Buffalo, returning Tue, Dec 9, priced at $288 found 5 days ago
Delta
Tue, Oct 21 - Wed, Oct 29
BIS
Bismarck
BUF
Buffalo
$289 Roundtrip, found 22 hours ago
$289
Roundtrip
found 22 hours ago
Select Delta flight, departing Tue, Oct 21 from Bismarck to Buffalo, returning Wed, Oct 29, priced at $289 found 22 hours ago
United
Tue, Nov 4 - Sat, Nov 8
BIS
Bismarck
BUF
Buffalo
$331 Roundtrip, found 4 days ago
$331
Roundtrip
found 4 days ago
Select United flight, departing Tue, Nov 4 from Bismarck to Buffalo, returning Sat, Nov 8, priced at $331 found 4 days ago

Alternative airports near Buffalo

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

Select flight to Buffalo Niagara Intl. BUF. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $664
BUF
Buffalo Niagara Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $664

Frequently asked questions

How much does a flight from Bismarck Municipal Airport (BIS) to Buffalo Niagara Intl. Airport (BUF) cost?
Grab a cheap one-way flight from $126 or cheap return flight from $251 from Bismarck Municipal Airport (BIS) to Buffalo Niagara Intl. Airport (BUF) 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 Bismarck Municipal Airport (BIS) to Buffalo Niagara Intl. Airport (BUF)?
Flying in October may help you find better deals, as it's the cheapest month for flights between BIS and BUF. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Bismarck Municipal Airport (BIS) to Buffalo Niagara Intl. Airport (BUF)?
To find the cheapest airline that'll fly you from BIS to BUF, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Bismarck Municipal Airport (BIS) to Buffalo Niagara Intl. Airport (BUF)?
Direct flights from Bismarck Municipal Airport (BIS) to Buffalo Niagara Intl. Airport (BUF) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BIS to BUF?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on various factors, such as the carrier 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 Bismarck Municipal Airport (BIS) to Buffalo Niagara Intl. Airport (BUF)?
To avoid possible delays on the Bismarck Municipal Airport (BIS) to Buffalo Niagara Intl. Airport (BUF) route, aim to fly before 3 PM. Flights after this time have a 22% higher chance of cancellation.**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 Bismarck Municipal Airport (BIS) to Buffalo Niagara Intl. Airport (BUF) last-minute?
Booking your plane ticket from BIS to BUF right before your trip is generally more expensive. However, if there's some wiggle room with your itinerary, you could score a cheap last-minute fare.
Is it cheaper to book a BIS to BUF flight and hotel package?
Compared with arranging flights and hotels separately, booking a BIS to BUF flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place takes the hassle out of travel planning. Simply pick your flights and select from our extensive range of hotels, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Bismarck Municipal Airport (BIS) to Buffalo Niagara Intl. Airport (BUF)?
In most cases, you're able to reschedule or cancel your BIS to BUF flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you need more information, visit our Customer Service portal.

Travel information

Travel information

Origin airport
Bismarck Municipal
Destination airport
Buffalo Niagara Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$250
Distance
1106 mi

Book with confidence

Book with confidence

Bismarck to Buffalo Flights

The cheapest times to fly from Bismarck to Buffalo

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

 

The best time to book a flight from Bismarck to Buffalo

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

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 Bismarck to Buffalo in 2025. 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 Bismarck to Buffalo 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 Bismarck to Buffalo 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.

 

Bismarck to Buffalo Flights

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*Available to One Key members.