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Buffalo Niagara International Airport
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Denver International Airport
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Scan through all non-stop flights from Buffalo to Denver. The full flight schedule below gives an overview of all non-stop flights from BUF to DEN, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
The Mediterranean regions near Denver are known for their warm, arid summers, where temperatures often go beyond 30°C (86°F). In some inland spots, the heat can climb even higher, sometimes reaching 40°C (104°F) or more. The winters are pleasantly mild, accompanied by some rainfall. This lovely climate, paired with breathtaking landscapes and bright, sunny days attract visitors from around the globe.
Denver is a wonderful place to visit all year long, but spring (March-May) and fall (September-November) are the best seasons to visit. The weather is pleasantly warm during these times, especially since the summers can be quite hot in those regions.
In total there are 2 airlines operating nonstop flights from Buffalo BUF to Denver DEN. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their BUF DEN flight schedule.
Flights from BUF to DEN are operated once a week. Departure times vary between 05:05 - 17:25. The earliest flight departs at 05:05, the last flight departs at 17:25. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
You can fly in Economy and Business Class. Premium Economy and First Class are not available on this route (at least not as a non-stop flight).
The fastest direct flight from Buffalo to Denver takes 3 hours and 35 minutes. The flight distance between Buffalo and Denver is 1,354 miles (or 2,179 km).
There are 2 airports in Denver: Denver International Airport (DEN) and Centennial Airport (APA).
There is 1 flight per week flying from Buffalo to Denver (as of March 2026).
3 hours and 35 minutes is the average flight time from Buffalo to Denver.
The distance from Buffalo to Denver is 1,354 miles (2,179 kilometers).
Southwest Airlines and United Airlines are flying nonstop from Buffalo to Denver.
Star Alliance is currently the only alliance flying nonstop from Buffalo to Denver.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from Buffalo to Denver:
The earliest flight departs at 05:05 from Buffalo and arrives at 06:40 at Denver.
The latest flight departs at 17:25 from Buffalo and arrives at 19:00 at Denver.
1,354 miles (2,179 km) · 3h 35m
08:30
10:13
United Airlines
Star Alliance
UA 1727
United Airlines
Boeing 737-800
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