Flights operate between Long Beach (LGB) and Denver (DEN).
1 airline operates this route with 2-5 flights daily flights.
Average flight time is 2h 15m - 2h 25m.
Average Duration
2h 15m - 2h 25m
Airlines Operating This Route
Southwest Airlines
Flight Frequency
Daily Flights
2-5 flights
Weekly Flights
14
Typical Departure Time Ranges
Earliest Departure
08:15
Latest Departure
16:05
Route Intelligence Dashboard
Overall Connectivity Score
60
GoodRoute Diversity
1
Direct Routes
Southwest Airlines serves 1 destination from LGB
Weekly Frequency
14
Weekly Flights
Trend: Stable
Top 1 Most Frequent Routes - Details
| Route | Weekly Flights | Duration | Distance | Reliability |
|---|---|---|---|---|
| LGB → Denver (DEN) (DEN) | 14/week | 2h 15m - 2h 25m | N/A | Moderate |
Flight Schedule & Filters
Southwest Airlines flights from Long Beach (LGB) to Denver (DEN)
Southwest Airlines operates scheduled nonstop flights between Long Beach (LGB) and Denver (DEN). Southwest Airlines operates 2-5 flights daily flights on this route.• Flight Duration: 2h 15m - 2h 25m (average flight time)• Daily Flights: 2-5 flights (scheduled departures per day)
Long Beach (LGB)
US
Denver (DEN)
US
FLIGHT TIME
2h 15m - 2h 25m
2h 15m - 2h 20m
08:15
16:05
1 (Show)
14
Southwest Airlines Terminal Information & Contact
Departure Terminal - Long Beach (LGB)
Terminal: 1
Phone: 1-800-435-9792
Location: 1, Long Beach, US
Arrival Terminal - Denver (DEN)
Terminal: 1
Phone: 800-435-9792
Location: 1, Denver, US
Southwest Airlines Flight Schedule from Long Beach (LGB) to Denver (DEN)
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
WN4683 |  Southwest Airlines | 08:15 | 11:30:00 | Boeing 737-800 (winglets) Passenger/BBJ2 |
WN3469 | Southwest Airlines | 11:25 | 14:40:00 | Boeing 737MAX 8 Passenger |
WN3470 | Southwest Airlines | 16:05 | 19:25:00 | Boeing 737-800 (winglets) Passenger/BBJ2 |
Southwest Airlines Monthly Flight Calendar
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Southwest Airlines Terminal Information
Departure Terminal at Long Beach (LGB):
• Terminal : Southwest Airlines operates from this terminal
Terminal 1:
• Southwest Airlines Terminal Phone: 1-800-435-9792
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 Long Beach (LGB) to Denver (DEN)?
Southwest Airlines operates 3 flights from Long Beach (LGB) to Denver (DEN).
What city does Denver (DEN) airport serve?
Denver (DEN) airport serves Denver, US.
How long is the Southwest Airlines flight from Long Beach (LGB) to Denver (DEN)?
The flight duration is approximately 2h 15m - 2h 25m.
What aircraft does Southwest Airlines use on this route?
Southwest Airlines uses Boeing 737-800 (winglets) Passenger/BBJ2, Boeing 737MAX 8 Passenger on this route.
What are the earliest and latest Southwest Airlines flight departure times?
The earliest Southwest Airlines flight departs at 08:15 and the latest departs at 16:05.
Which terminal does Southwest Airlines use at Long Beach (LGB)?
Southwest Airlines flights from Long Beach (LGB) depart from Terminal 1. Terminal 1 phone: 1-800-435-9792.
What is the Southwest Airlines terminal phone number at Long Beach (LGB)?
The Southwest Airlines terminal phone number at Long Beach (LGB) is 1-800-435-9792 (Terminal 1).
View all Southwest Airlines flights to Long Beach (LGB) →
Popular Southwest Airlines routes from Long Beach include multiple destinations.
Route data verified regularly by Triposia Travel Research Team.