Southwest Airlines flights from BUF to DEN
Find comprehensive Southwest Airlines flight information, schedules, and booking details for direct flights from BUF to DEN. Southwest Airlines operates 1-3 flights daily flights on this route.• Flight Duration: 3h 30m - 3h 55m (average flight time)• Distance: 1363 miles (2193 km) (air miles between airports)• Daily Flights: 1-3 flights (scheduled departures per day)
BUF
DEN
FLIGHT TIME
3h 30m - 3h 55m
FLIGHT DISTANCE
1363 miles (2193 km)
3h 35m - 3h 35m
10:20
10:20
1363 miles (2193 km)
March
1 (Show)
12
Southwest Airlines Flight Schedule from BUF to DEN
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
WN2140 |  Southwest Airlines | 10:20 | 11:55:00 | Boeing 737-800 (winglets) Passenger/BBJ2 |
Southwest Airlines Monthly Flight Calendar
December 2025
Route Insights
Pricing patterns: March typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 10:00, offering more flight options and potentially better connections.
BUF - DEN flight price statistics
$356
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$330
Feb$158
Mar$230
Apr$262
May$368
Jun$363
Jul$365
Aug$349
Sep$550
Oct$508
Nov$438
DecSouthwest Airlines Terminal Information
Terminal information for Southwest Airlines on this route is currently being updated. Please check back soon or contact the airports directly for terminal details.
Frequently Asked Questions about Southwest Airlines Flights
How many Southwest Airlines flights operate from BUF to DEN?
Southwest Airlines operates 1 flight from BUF to DEN.
What city does DEN airport serve?
DEN airport serves Denver.
How long is the Southwest Airlines flight from BUF to DEN?
The flight duration is approximately 3h 30m - 3h 55m.
What is the distance from BUF to DEN?
The distance is 1363 miles (2193 km).
What aircraft does Southwest Airlines use on this route?
Southwest Airlines uses Boeing 737-800 (winglets) Passenger/BBJ2 on this route.
Which other airlines operate on this route?
1 other airline operates on this route: United Airlines.
What is the cheapest month to fly Southwest Airlines from BUF to DEN?
March is typically the cheapest month to fly Southwest Airlines on this route.
What is the average price for a Southwest Airlines flight from BUF to DEN?
The average price for a round-trip Southwest Airlines flight on this route is approximately $356. Prices can vary based on booking time and demand.
How many Southwest Airlines flights operate per week on this route?
Southwest Airlines operates approximately 12 flights per week from BUF to DEN.