$100 Cheap Flights from Bismarck (BIS) to Buffalo (BUF)

View $100 flight on Sat, Aug 30, 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 $100 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, Sep 23 - Sat, Oct 4
BIS
Bismarck
BUF
Buffalo
$251 Roundtrip, found 5 days ago
$251
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Sep 23 from Bismarck to Buffalo, returning Sat, Oct 4, priced at $251 found 5 days ago
United
Tue, Sep 23 - Sat, Oct 4
BIS
Bismarck
BUF
Buffalo
$253 Roundtrip, found 5 days ago
$253
Roundtrip
found 5 days ago
Select United flight, departing Tue, Sep 23 from Bismarck to Buffalo, returning Sat, Oct 4, priced at $253 found 5 days ago
American Airlines
Mon, Sep 15 - Sat, Sep 20
BIS
Bismarck
BUF
Buffalo
$255 Roundtrip, found 1 day ago
$255
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Sep 15 from Bismarck to Buffalo, returning Sat, Sep 20, priced at $255 found 1 day ago
United
Tue, Sep 23 - Sat, Oct 4
BIS
Bismarck
BUF
Buffalo
$256 Roundtrip, found 5 days ago
$256
Roundtrip
found 5 days ago
Select United flight, departing Tue, Sep 23 from Bismarck to Buffalo, returning Sat, Oct 4, priced at $256 found 5 days ago
Delta
Tue, Sep 2 - Sat, Sep 6
BIS
Bismarck
BUF
Buffalo
$257 Roundtrip, found 8 hours ago
$257
Roundtrip
found 8 hours ago
Select Delta flight, departing Tue, Sep 2 from Bismarck to Buffalo, returning Sat, Sep 6, priced at $257 found 8 hours ago
Delta
Tue, Aug 12 - Thu, Aug 28
BIS
Bismarck
BUF
Buffalo
$258 Roundtrip, found 6 days ago
$258
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Aug 12 from Bismarck to Buffalo, returning Thu, Aug 28, priced at $258 found 6 days ago
Delta
Fri, Aug 8 - Thu, Aug 28
BIS
Bismarck
BUF
Buffalo
$259 Roundtrip, found 6 days ago
$259
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Aug 8 from Bismarck to Buffalo, returning Thu, Aug 28, priced at $259 found 6 days ago
Delta
Tue, Sep 23 - Sat, Oct 4
BIS
Bismarck
BUF
Buffalo
$261 Roundtrip, found 5 days ago
$261
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Sep 23 from Bismarck to Buffalo, returning Sat, Oct 4, priced at $261 found 5 days ago
United
Tue, Sep 23 - Sat, Oct 4
BIS
Bismarck
BUF
Buffalo
$261 Roundtrip, found 5 days ago
$261
Roundtrip
found 5 days ago
Select United flight, departing Tue, Sep 23 from Bismarck to Buffalo, returning Sat, Oct 4, priced at $261 found 5 days ago
Delta
Tue, Sep 2 - Tue, Sep 9
BIS
Bismarck
BUF
Buffalo
$262 Roundtrip, found 8 hours ago
$262
Roundtrip
found 8 hours ago
Select Delta flight, departing Tue, Sep 2 from Bismarck to Buffalo, returning Tue, Sep 9, priced at $262 found 8 hours 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 $375
BUF
Buffalo Niagara Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $375
Flights from Bismarck (BIS) to Buffalo (BUF)
Origin airport
Bismarck Municipal
Destination airport
Buffalo Niagara Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$250
Distance
1106 mi

Frequently asked questions

How much does a flight from Bismarck Municipal Airport (BIS) to Buffalo Niagara Intl. Airport (BUF) cost?
Discover the latest flight deals from BIS to BUF by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from BIS to BUF?
The cheapest flights from BIS to BUF are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from BIS to BUF?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from BIS to BUF. Sort your results by "Price (lowest to highest)" to snap up a great deal.
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.

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