United States Β· 853 miles (1,372 km)

Long Beach (LGB) to Denver (DEN) flights

One airline flies nonstop from Long Beach (LGB) to Denver (DEN): 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 LGB to DEN

LGB to DEN 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
    Southwest Airlines logo
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Phoenix (PHX)Southwest Airlines the whole way
    Southwest Airlines logo
    American Airlines logo
    Frontier Airlines logo
    United Airlines logo
    +1
  • Via Salt Lake City (SLC)Delta Air Lines and Southwest Airlines the whole way
    Delta Air Lines logo
    Southwest Airlines logo
    Delta Air Lines logo
    Frontier Airlines logo
    United Airlines logo
    +1
  • Via Albuquerque (ABQ)Southwest Airlines the whole way
    Southwest Airlines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Reno (RNO)Southwest Airlines the whole way
    Southwest Airlines logo
    United Airlines logo
    Southwest Airlines logo
  • Via San Jose (SJC)Southwest Airlines the whole way
    Southwest Airlines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Sacramento (SMF)Southwest Airlines the whole way
    Southwest Airlines logo
    United Airlines logo
    Southwest Airlines logo
    Frontier Airlines logo
  • Via Oakland (OAK)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo

LGB to DEN: common questions

Which airlines fly nonstop from LGB to DEN?

Southwest Airlines flies nonstop from Long Beach (LGB) to Denver (DEN).

How far is Long Beach from Denver by plane?

Long Beach (LGB) and Denver (DEN) 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 LGB to DEN cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for LGB to DEN with taxes and fees.

Where can I connect between Long Beach and Denver?

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.