Looking on the internet deeply has found these results:

by the end of next week is the most popular phrase on the web.

by the end of the next week 18 results on the web	by the end of next week 144,300 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	2 days ago ... If all goes as planned, the House will know who its next speaker will be by the end of next week. Elections for the next House leadership will be�... article�... Nov 24, 2012 ... ... week in "the end of next week". Context: I will give you updates on how things work out by the end of next week. grammaticality definite Sep 9, 2015 ... By the end of next week I will have watched the entirety of TOS, TNG, DS9, and VOY, along with the accompanying films in order in less than a�... List of translations starting with the same letters � by \| the \| end \| of \| next \| week � by the end of next week {adv} � vor Ende n�chster Woche�...

by the end of the next week

18 results on the web

by the end of next week

144,300 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

2 days ago ... If all goes as planned, the House will know who its next speaker will be by the end of next week. Elections for the next House leadership will be�...
article�...
Nov 24, 2012 ... ... week in "the end of next week". Context: I will give you updates on how things work out by the end of next week. grammaticality definite
Sep 9, 2015 ... By the end of next week I will have watched the entirety of TOS, TNG, DS9, and VOY, along with the accompanying films in order in less than a�...
List of translations starting with the same letters � by | the | end | of | next | week � by the end of next week {adv} � vor Ende n�chster Woche�...