Denver (DEN) to Long Beach (LGB) flights
One airline flies nonstop from Denver (DEN) to Long Beach (LGB): Southwest Airlines. The two airports are 853 miles (1,372 km) apart. There are also 8 ways to fly it with one stop, through Las Vegas, Phoenix and Salt Lake City and more.
Airlines flying nonstop from DEN to LGB
- Southwest AirlinesNot in an allianceWho books it

DEN to LGB with one stop
8 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Las Vegas (LAS)Southwest Airlines the whole way




- Via Phoenix (PHX)Southwest Airlines the whole way

+1

- Via Salt Lake City (SLC)Delta Air Lines and Southwest Airlines the whole way

+1


- Via Albuquerque (ABQ)Southwest Airlines the whole way



- Via Reno (RNO)Southwest Airlines the whole way



- Via San Jose (SJC)Southwest Airlines the whole way



- Via Sacramento (SMF)Southwest Airlines the whole way




- Via Oakland (OAK)Southwest Airlines the whole way


DEN to LGB: common questions
Which airlines fly nonstop from DEN to LGB?
Southwest Airlines flies nonstop from Denver (DEN) to Long Beach (LGB).
How far is Denver from Long Beach by plane?
Denver (DEN) and Long Beach (LGB) are 853 miles (1,372 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does DEN to LGB cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for DEN to LGB with taxes and fees.
Where can I connect between Denver and Long Beach?
The most direct connections are through Las Vegas (LAS), Phoenix (PHX), Salt Lake City (SLC), Albuquerque (ABQ) and Reno (RNO). On 8 of them the same airline flies both flights, for example Southwest Airlines through Las Vegas.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.