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Cheap flights from Denver to Buffalo

15 nonstop flights a week, 2 of them today. Operated by 2 airlines, about 3h 5m in the air, 1,366 mi (2,199 km). Tickets from $241.

Flights from Denver to Buffalo

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 Denver to Buffalo

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

Cheapest month November 2026 tickets from $241

Denver to Buffalo at a glance

flight time, from 2h 55m to 6h 50m
3h 5m
straight-line distance
1,366 mi (2,199 km)
flights a week
15
flights today
2
first and last departure
11:50 - 17:25
lowest price
$241
airlines
2

Denver to Buffalo flight schedule

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

FlightDepartsArrivesDurationDaysAircraft
WN 988
Southwest Airlines
11:50 Denver International
16:50 Buffalo Niagara International
3h
Mon, Thu, Fri, Sun
Boeing 737
WN 1568
Southwest Airlines
13:15 Denver International
18:10 Buffalo Niagara International
2h 55m
Sat
Boeing 737
WN 988
Southwest Airlines
15:45 Denver International
20:50 Buffalo Niagara International
3h 5m
Mon, Tue, Wed, Thu
Boeing 737
UA 731
United Airlines
17:25 Denver International
22:33 Buffalo Niagara International
3h 8m
Daily
Boeing 737-800
WN 1202
Southwest Airlines
17:25 Denver International
22:30 Buffalo Niagara International
3h 5m
Sat
Boeing 737

Seasonal and one-off flights

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

FlightDepartsArrivesDurationDaysAircraft
WN 988
Southwest Airlines
12:45 Denver International
17:45 Buffalo Niagara International
3h
Seasonal
Boeing 737-800
UA 213
United Airlines
14:00 Denver International
19:08 Buffalo Niagara International
3h 8m
Selected dates
Boeing 737-800
WN 1734
Southwest Airlines
14:40 Denver International
19:35 Buffalo Niagara International
2h 55m
Seasonal
Boeing 737-800
UA 264
United Airlines
17:45 Denver International
22:57 Buffalo Niagara International
3h 12m
Seasonal
Boeing 737-800
UA 310
United Airlines
17:25 Denver International
22:45 Buffalo Niagara International
3h 20m
Seasonal
Boeing 737-800
UA 1132
United Airlines
17:33 Denver International
22:53 Buffalo Niagara International
3h 20m
Seasonal
Boeing 737-800
WN 408
Southwest Airlines
17:00 Denver International
21:55 Buffalo Niagara International
2h 55m
Seasonal
Boeing 737
WN 1946
Southwest Airlines
07:00 Denver International
15:50 Buffalo Niagara International
6h 50m
Seasonal
Boeing 737-800
WN 2346
Southwest Airlines
14:15 Denver International
19:10 Buffalo Niagara International
2h 55m
Seasonal
Boeing 737-800
WN 2278
Southwest Airlines
12:00 Denver International
17:00 Buffalo Niagara International
3h
Seasonal
Boeing 737-800
UA 1131
United Airlines
17:30 Denver International
22:42 Buffalo Niagara International
3h 12m
Seasonal
Boeing 737-800
WN 2278
Southwest Airlines
10:40 Denver International
15:40 Buffalo Niagara International
3h
Seasonal
Boeing 737-800
WN 2575
Southwest Airlines
11:05 Denver International
16:10 Buffalo Niagara International
3h 5m
Seasonal
Boeing 737
WN 1311
Southwest Airlines
17:40 Denver International
22:50 Buffalo Niagara International
3h 10m
Seasonal
Boeing 737
WN 1195
Southwest Airlines
10:25 Denver International
15:30 Buffalo Niagara International
3h 5m
Seasonal
Boeing 737
WN 1311
Southwest Airlines
19:10 Denver International
00:15 Buffalo Niagara International
3h 5m
Seasonal
Boeing 737
WN 4495
Southwest Airlines
10:40 Denver International
15:45 Buffalo Niagara International
3h 5m
Seasonal
WN 366
Southwest Airlines
19:50 Denver International
00:55 Buffalo Niagara International
3h 5m
Seasonal
Boeing 737
WN 1311
Southwest Airlines
17:20 Denver International
22:25 Buffalo Niagara International
3h 5m
Seasonal
Boeing 737

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

Airlines flying Denver to Buffalo

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

Southwest Airlines8 a week United Airlines7 a week

Airports

Where flights from Denver to Buffalo depart and land

Departure from Denver

Denver International DEN

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

About the airport

Arrival in Buffalo

Buffalo Niagara International BUF

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

About the airport

Frequently asked questions

How long is the flight from Denver to Buffalo?
A nonstop flight takes 3 hours 5 minutes on average, from 2h 55m to 6h 50m depending on the flight.
How far is Buffalo from Denver?
1,366 mi (2,199 km) in a straight line between the cities.
Which airlines fly nonstop from Denver to Buffalo?
Southwest Airlines (8 a week) and United Airlines (7 a week).
How many flights a day are there from Denver to Buffalo?
2 flights today and 15 a week, about 2.1 a day on average.
When are the first and last flights from Denver to Buffalo?
The first departure is at 11:50 (WN988), the last at 17:25 (WN1202). Local time.
What is the time difference between Denver and Buffalo?
Buffalo is 2 hours ahead of Denver. Schedule times on this page are local to each airport.
Which Denver airport do flights to Buffalo leave from?
Denver International (15 a week).