Originally Posted by
seks
My return itinerary is SYD-HND/NRT-SFO-YYC. If I get a bottle of alcohol or anything liquid at NRT duty-free, do you think I can get thru SFO with it since it will presumably be in a sealed duty-free bag?
Do I have to re-check my luggage and go thru security again at SFO?
You will have to go through US Immigration and Customs, re-check your baggage, and go through TSA security at SFO.
I honestly don't know if the TSA will let you take sealed duty-free with you in your carry-on but somebody no doubt does.