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Cheap flights from Buffalo to Denver

19 nonstop flights a week, 2 of them today. Operated by 2 airlines, about 3h 45m in the air, 1,366 mi (2,199 km). Tickets from $237, nonstop from $463.

Flights from Buffalo to Denver

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

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Best fares from Buffalo to Denver

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Cheapest one-way $237 28 December 2026, with a connection Cheapest nonstop $463 28 December 2026, United Airlines Cheapest month December 2026 tickets from $237

Buffalo to Denver at a glance

flight time, from 3h 25m to 6h 5m
3h 45m
straight-line distance
1,366 mi (2,199 km)
flights a week
19
flights today
2
first and last departure
05:10 - 16:55
lowest price, with a connection, 28 December
$237
lowest nonstop price
$463
airlines
2

Buffalo to Denver flight schedule

19 flights a week, 2 today, 17 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
WN 1316
Southwest Airlines
05:10 Buffalo Niagara International
07:00 Denver International
3h 50m
Sat
Boeing 737-800
UA 1727
United Airlines
08:50 Buffalo Niagara International
10:35 Denver International
3h 45m
Daily
Boeing 737-800
WN 818
Southwest Airlines
14:30 Buffalo Niagara International
16:20 Denver International
3h 50m
Sat
Boeing 737
WN 818
Southwest Airlines
14:40 Buffalo Niagara International
16:30 Denver International
3h 50m
Mon, Tue, Wed, Thu
WN 1353
Southwest Airlines
16:00 Buffalo Niagara International
20:05 Denver International
6h 5m
Mon, Thu, Fri, Sun
WN 818
Southwest Airlines
16:55 Buffalo Niagara International
18:35 Denver International
3h 40m
Mon, Thu, Fri, Sun
Boeing 737-800

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 24 November.

FlightDepartsArrivesDurationDaysAircraft
WN 1316
Southwest Airlines
08:35 Buffalo Niagara International
10:25 Denver International
3h 50m
Seasonal
Boeing 737
WN 714
Southwest Airlines
12:00 Buffalo Niagara International
13:40 Denver International
3h 40m
Seasonal
Boeing 737-800
UA 1727
United Airlines
08:17 Buffalo Niagara International
10:03 Denver International
3h 46m
Seasonal
Boeing 737-800
UA 1727
United Airlines
08:15 Buffalo Niagara International
10:15 Denver International
4h
Seasonal
Boeing 737-800
UA 1727
United Airlines
08:00 Buffalo Niagara International
10:00 Denver International
4h
Seasonal
Boeing 737-800
WN 480
Southwest Airlines
16:10 Buffalo Niagara International
17:55 Denver International
3h 45m
Seasonal
Boeing 737-800
WN 709
Southwest Airlines
16:30 Buffalo Niagara International
18:15 Denver International
3h 45m
Seasonal
Boeing 737-800
UA 1727
United Airlines
08:30 Buffalo Niagara International
10:28 Denver International
3h 58m
Seasonal
Boeing 737-800
WN 958
Southwest Airlines
12:20 Buffalo Niagara International
14:05 Denver International
3h 45m
Seasonal
Boeing 737
WN 420
Southwest Airlines
15:30 Buffalo Niagara International
17:25 Denver International
3h 55m
Seasonal
Boeing 737
WN 585
Southwest Airlines
15:30 Buffalo Niagara International
17:20 Denver International
3h 50m
Seasonal
Boeing 737
WN 646
Southwest Airlines
11:10 Buffalo Niagara International
12:40 Denver International
3h 30m
Seasonal
WN 467
Southwest Airlines
05:10 Buffalo Niagara International
06:45 Denver International
3h 35m
Seasonal
Boeing 737
WN 536
Southwest Airlines
16:10 Buffalo Niagara International
17:45 Denver International
3h 35m
Seasonal
Boeing 737
WN 609
Southwest Airlines
05:25 Buffalo Niagara International
06:55 Denver International
3h 30m
Seasonal
Boeing 737
WN 611
Southwest Airlines
18:40 Buffalo Niagara International
20:05 Denver International
3h 25m
Seasonal
Boeing 737
WN 806
Southwest Airlines
08:00 Buffalo Niagara International
09:35 Denver International
3h 35m
Seasonal
Boeing 737

Days of the week are taken from the schedule for the next 14 days; schedules change by season. Denver is 2 hours behind Buffalo. The search shows seat availability and the price for your date.

Airlines flying Buffalo to Denver

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

Southwest Airlines12 a week United Airlines7 a week

Airports

Where flights from Buffalo to Denver depart and land

Departure from Buffalo

Buffalo Niagara International BUF

19 flights a week, 8 mi (13 km) from the city centre

About the airport

Arrival in Denver

Denver International DEN

19 flights a week, 18 mi (29 km) from the city centre

About the airport

Frequently asked questions

How long is the flight from Buffalo to Denver?
A nonstop flight takes 3 hours 45 minutes on average, from 3h 25m to 6h 5m depending on the flight.
How far is Denver from Buffalo?
1,366 mi (2,199 km) in a straight line between the cities.
Which airlines fly nonstop from Buffalo to Denver?
Southwest Airlines (12 a week) and United Airlines (7 a week).
How many flights a day are there from Buffalo to Denver?
2 flights today and 19 a week, about 2.7 a day on average.
When are the first and last flights from Buffalo to Denver?
The first departure is at 05:10 (WN1316), the last at 16:55 (WN818). Local time.
What is the cheapest upcoming date to fly from Buffalo to Denver?
28 December 2026 (Monday): from $237 one way, with a connection, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from Buffalo to Denver?
United Airlines: nonstop tickets from $463 on 28 December by recent searches. Prices change daily, so compare the sellers in the search.
What is the time difference between Buffalo and Denver?
Denver is 2 hours behind Buffalo. Schedule times on this page are local to each airport.
Which Buffalo airport do flights to Denver leave from?
Buffalo Niagara International (19 a week).