Flights operate between Denver (DEN) and Buffalo (BUF).
1 airline operates this route with 2-3 flights daily flights.
Average flight time is 3h 00m - 3h 16m.
Route distance is 1363 miles (2193 km).
Route Distance
1363 miles (2193 km)
Average Duration
3h 00m - 3h 16m
Airlines Operating This Route
Southwest Airlines
Flight Frequency
Daily Flights
2-3 flights
Weekly Flights
12
Typical Departure Time Ranges
Earliest Departure
20:15
Latest Departure
20:15
Route Intelligence Dashboard
Overall Connectivity Score
35
ModerateRoute Diversity
1
Direct Routes
Southwest Airlines serves 1 destination from DEN
Weekly Frequency
7
Weekly Flights
Trend: Stable
Top 1 Most Frequent Routes - Details
| Route | Weekly Flights | Duration | Distance | Reliability |
|---|---|---|---|---|
| DEN → Buffalo (BUF) (BUF) | 7/week | 3h 00m - 3h 16m | 1,363 km | Seasonal |
Flight Schedule & Filters
Southwest Airlines flights from Denver (DEN) to Buffalo (BUF)
Southwest Airlines operates scheduled nonstop flights between Denver (DEN) and Buffalo (BUF). Southwest Airlines operates 2-3 flights daily flights on this route.• Flight Duration: 3h 00m - 3h 16m (average flight time)• Distance: 1363 miles (2193 km) (air miles between airports)• Daily Flights: 2-3 flights (scheduled departures per day)
Denver (DEN)
US
Buffalo (BUF)
US
FLIGHT TIME
3h 00m - 3h 16m
FLIGHT DISTANCE
1363 miles (2193 km)
3h 5m - 3h 5m
20:15
20:15
1363 miles (2193 km)
February
1 (Show)
12
Southwest Airlines Terminal Information & Contact
Departure Terminal - Denver (DEN)
Terminal: 1
Phone: 800-435-9792
Location: 1, Denver, US
Arrival Terminal - Buffalo (BUF)
Terminal: 1
Phone: 800-435-9792
Location: 1, Buffalo, US
Southwest Airlines Flight Schedule from Denver (DEN) to Buffalo (BUF)
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
WN4338 |  Southwest Airlines | 20:15 | 01:20:00 | Boeing 737-800 (winglets) Passenger/BBJ2 |
Southwest Airlines Monthly Flight Calendar
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Southwest Airlines Terminal Information
Departure Terminal at Denver (DEN):
• Terminal : Southwest Airlines operates from this terminal
Terminal 1:
• Southwest Airlines Terminal Phone: 800-435-9792
Arrival Terminal at Buffalo (BUF):
• Terminal : Southwest Airlines operates from this terminal
Terminal 1:
• Southwest Airlines Terminal Phone: 800-435-9792
Weather & Climate at Buffalo (BUF)
10.3°C
Avg Temperature93mm
Avg Rainfall12.7km/h
Avg Wind Speed74%
Avg HumidityBest Months to Visit
Challenging Months
12-Month Weather Overview
Wind Speed by Month
Humidity by Month
Best Time to Book Flights to Buffalo (BUF)
Best Booking Window
Book 2-3 months in advance for best prices
Booking Tip
Avoid booking during extreme weather months for better deals
Recommended Months
These months offer the best balance of weather, prices, and availability.
Monthly Booking Recommendations
Flight Price Trends for Buffalo (BUF)
Cheapest Months to Fly
Book flights during these months for the best deals and lowest prices.
Price Trend Analysis
Prices are typically lower during shoulder seasons
Monthly Price Trends
Best Months to Fly Southwest Airlines to Buffalo (BUF)
Shoulder Season
Transition periods with moderate conditions. Good balance of price and experience.
Seasonal Insight
Best travel months: Year-round
Seasonal Travel Calendar
Southwest Airlines Contact Information and Customer Services
Southwest Airlines Address
2702 Love Field Dr
Dallas, TX 75235, US
Customer Service Phone
800-435-9792Official Website
southwest.com/Frequently Asked Questions
How many Southwest Airlines flights operate from Denver (DEN) to Buffalo (BUF)?
Southwest Airlines operates 1 flight from Denver (DEN) to Buffalo (BUF).
What city does Buffalo (BUF) airport serve?
Buffalo (BUF) airport serves Buffalo, US.
How long is the Southwest Airlines flight from Denver (DEN) to Buffalo (BUF)?
The flight duration is approximately 3h 00m - 3h 16m.
What is the distance from Denver (DEN) to Buffalo (BUF)?
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.
Which terminal does Southwest Airlines use at Denver (DEN)?
Southwest Airlines flights from Denver (DEN) depart from Terminal 1. Terminal 1 phone: 800-435-9792.
View all Southwest Airlines flights to Denver (DEN) →
Popular Southwest Airlines routes from Denver include multiple destinations.
Route data verified regularly by Triposia Travel Research Team.