Flights operate between San Diego (SAN) and Denver (DEN).
1 airline operates this route with 9-26 flights daily flights.
Average flight time is 2h 13m - 2h 52m.
Route distance is 856 miles (1377 km).
Route Distance
856 miles (1377 km)
Average Duration
2h 13m - 2h 52m
Airlines Operating This Route
Southwest Airlines
Flight Frequency
Daily Flights
9-26 flights
Weekly Flights
156
Typical Departure Time Ranges
Earliest Departure
06:35
Latest Departure
21:40
Route Intelligence Dashboard
Overall Connectivity Score
70
GoodRoute Diversity
1
Direct Routes
Southwest Airlines serves 1 destination from SAN
Weekly Frequency
49
Weekly Flights
Trend: Stable
Top 1 Most Frequent Routes - Details
| Route | Weekly Flights | Duration | Distance | Reliability |
|---|---|---|---|---|
| SAN → Denver (DEN) (DEN) | 49/week | 2h 13m - 2h 52m | 856 km | Very Stable |
Flight Schedule & Filters
Southwest Airlines flights from San Bernardino (SAN) to Denver (DEN)
Southwest Airlines operates scheduled nonstop flights between San Bernardino (SAN) and Denver (DEN). Southwest Airlines operates 9-26 flights daily flights on this route.• Flight Duration: 2h 13m - 2h 52m (average flight time)• Distance: 856 miles (1377 km) (air miles between airports)• Daily Flights: 9-26 flights (scheduled departures per day)
San Bernardino (SAN)
US
Denver (DEN)
US
FLIGHT TIME
2h 13m - 2h 52m
FLIGHT DISTANCE
856 miles (1377 km)
2h 20m - 2h 30m
06:35
21:40
856 miles (1377 km)
January
1 (Show)
156
Southwest Airlines Terminal Information & Contact
Departure Terminal - San Bernardino (SAN)
Terminal: 1
Phone: 800-435-9792
Location: 1, San Diego, US
Arrival Terminal - Denver (DEN)
Terminal: 1
Phone: 800-435-9792
Location: 1, Denver, US
Southwest Airlines Flight Schedule from San Bernardino (SAN) to Denver (DEN)
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
WN2506 |  Southwest Airlines | 06:35 | 10:05:00 | Boeing 737-700 (winglets) Passenger/BBJ1 |
WN3138 | Southwest Airlines | 07:40 | 11:05:00 | Boeing 737-700 (winglets) Passenger/BBJ1 |
WN4216 | Southwest Airlines | 09:45 | 13:10:00 | Boeing 737-800 (winglets) Passenger/BBJ2 |
WN534 | Southwest Airlines | 12:45 | 16:15:00 | Boeing 737-800 (winglets) Passenger/BBJ2 |
WN2525 | Southwest Airlines | 13:50 | 17:15:00 | Boeing 737-800 (winglets) Passenger/BBJ2 |
WN1655 | Southwest Airlines | 16:05 | 19:25:00 | Boeing 737-700 (winglets) Passenger/BBJ1 |
WN4875 | Southwest Airlines | 21:40 | 01:00:00 | Boeing 737-800 (winglets) Passenger/BBJ2 |
Southwest Airlines Monthly Flight Calendar
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Southwest Airlines Terminal Information
Departure Terminal at San Bernardino (SAN):
• Terminal : Southwest Airlines operates from this terminal
Terminal 1:
• Southwest Airlines Terminal Phone: 800-435-9792
Arrival Terminal at Denver (DEN):
• Terminal : Southwest Airlines operates from this terminal
Terminal 1:
• Southwest Airlines Terminal Phone: 800-435-9792
Weather & Climate at Denver (DEN)
10.0°C
Avg Temperature52mm
Avg Rainfall11.5km/h
Avg Wind Speed52%
Avg HumidityBest Months to Visit
Challenging Months
12-Month Weather Overview
Wind Speed by Month
Humidity by Month
Best Time to Book Flights to Denver (DEN)
Best Booking Window
Book 2-3 months in advance for best prices
Booking Tip
Avoid booking during extreme weather months for better deals
Peak Travel Months
Expect higher prices and more crowds during these months. Book early to secure better rates.
Recommended Months
These months offer the best balance of weather, prices, and availability.
Monthly Booking Recommendations
Flight Price Trends for Denver (DEN)
Cheapest Months to Fly
Book flights during these months for the best deals and lowest prices.
Most Expensive Months
Prices are typically highest during these months. Consider booking well in advance or choosing alternative dates.
Price Trend Analysis
Prices are typically lower during shoulder seasons
Monthly Price Trends
Best Months to Fly Southwest Airlines to Denver (DEN)
Best Months
Optimal conditions for travel with favorable weather, prices, and availability.
Shoulder Season
Transition periods with moderate conditions. Good balance of price and experience.
Challenging Months
These months may have less favorable conditions. Plan accordingly and book early.
Seasonal Insight
Best travel months: 2025-07, 2025-08, 2025-09
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 San Diego (SAN) to Denver (DEN)?
Southwest Airlines operates 7 flights from San Diego (SAN) to Denver (DEN).
What city does Denver (DEN) airport serve?
Denver (DEN) airport serves Denver, US.
How long is the Southwest Airlines flight from San Diego (SAN) to Denver (DEN)?
The flight duration is approximately 2h 13m - 2h 52m.
What is the distance from San Diego (SAN) to Denver (DEN)?
The distance is 856 miles (1377 km).
What aircraft does Southwest Airlines use on this route?
Southwest Airlines uses Boeing 737-700 (winglets) Passenger/BBJ1, Boeing 737-800 (winglets) Passenger/BBJ2 on this route.
Which other airlines operate on this route?
3 other airlines operate on this route: Frontier Airlines, United Airlines, Alaska Airlines.
What are the earliest and latest Southwest Airlines flight departure times?
The earliest Southwest Airlines flight departs at 06:35 and the latest departs at 21:40.
View all Southwest Airlines flights to San Diego (SAN) →
Popular Southwest Airlines routes from San Diego include multiple destinations.
Route data verified regularly by Triposia Travel Research Team.