Most of the shops these days have large bottles that you're inquiring about.
I'm confused. You're visiting LA for the weekend, but you know the streets of LA since you live in LA?
VapeRev - Cerritos
15971 Piuma Ave.,Cerritos CA, 90703(562) 653-4730Hours: Mon-Sat 11am to 9pm, Sun 11am to 7pm
VapeRev - West Hollywood8020 Melrose AveLos Angeles, CA 90046(323) 424-3222Hours: Mon-Fri 11am to 8pm, Sat-Sun 11am to 7pm
Vape Guys
2015 W Redondo Beach Blvd, Gardena, CA 90247
(323) 331-4092
Pure Vapor Torrance
19019 Hawthorne Blvd #200a, Torrance, CA 90503
(310) 921-2900
VaporDNA
22517 Crenshaw Blvd, Torrance, CA90505
(424) 250-9686
Those are the vape shops close to LAX if you don't have a problem with transportation. (use Uber)