Edit - if you were flying JFK-TIJ, you would NOT require a test to cross CBX.
Originally Posted by
BNAChairman
I'm planning a TIJ to JFK itinerary with a short connection in MEX. I'll use CBX from San Diego to the terminal in TIJ. Any guesses as to whether or not I'll need a PCR or Antigen test to board the second flight from MEX to JFK?
Yes, you'll require a test within 1 calendar day of departure to the United States. TIJ is not a US airport, even if it has a US terminal, and requires customs and immigration clearance on both ends. You are leaving the US and traveling back internationally by air, to which the regulation applies.
Benefit is that you can use a $25, reimbursable, eMed proctored test.