When asked What terminal is Frontier Airlines at SAN, the response is Terminal 2. This facility conveniently houses baggage claim, security checks, check-in booths, and ground transportation, making flying with Frontier Airlines simple. Terminal 2 has shops, restaurants, and travel amenities, making it a comfortable place to wait for your trip. Flying from SAN is affordable and access... https://nearterminal.com/frontier-airlines/san-terminal-san-diego-international-airport/