What terminal is Frontier Airlines at SAN When asked [What terminal is Frontier Airlines at SAN](https://nearterminal.com/frontier-airlines/san-terminal-san-diego-international-airport/), 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 accessible thanks to Frontier Airlines, which is well-known for its cheap airfares. Thus, the next time you fly from San Diego, head to SAN's Terminal 2 for Frontier Airlines.