Frontier Airlines operates from Terminal 5 at LAX. This terminal is part of the central terminal loop and is conveniently accessible by car, shuttle, or public transit. Terminal 5 is shared with other airlines like JetBlue and Spirit, so make sure to check flight screens and signage upon arrival.

In the middle of your research, you might come across this helpful and well-detailed guide to the frontier airlines lax terminal, which provides real-time information about services, gate numbers, and customer assistance.
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Frontier Airlines LAX Terminal - Los Angeles International Airport

Frontier Airlines operates from Terminal 1 at Los Angeles International Airport. This comprehensive blog explains the services offered.