Tijuana, MX to Los Angeles, CA buses and trains from $30

Or, see buses and trains from Los Angeles, CA to Tijuana, MX.
Here are some trips other travelers have found on Routefriend.
$30
5h 30m
0 stops
GotoBus
$45
6h 37m
1 stop
GotoBus Amtrak
$47
5h 10m
1 stop
GotoBus Amtrak