Call Dl you can go with AirFrance,Czech Air-DL to Prague,KLM,Alatlia, and DL
However even thou they say 80k for a coach its more like 130,000 I tried in vain to get a friend a free tkt for Shavoth nothing less then 130k and when itw as with DL it was JFK-ATL-TLV DL hardly ever opens its JFK-TLV flight
that said you do realize that Succoth is the most sort after time for people to be cashing in for. So youd have a beter chance if you will come back say a good few after Succoth and go either before RH or YK
also DL partners in Europe use only narrow body planes and less seats and most Europeans go to Israel for YT, which doesnt help you out since those Carriers have no problkem being able to sell their seats at a very nice price