I can't find anything late thursday, although you don't say what time you can fly from on the thursday.
But ive found these, which is the best i could find.
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https://book.flythomascook.com/skylights/html/Index.shtml
Fri, 26 Jan 07 09:45 -14:05 Arrive Tenerife (TFS)
Sun, 28 Jan 07 19:50 - 00:05
Total cost £169
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Then
http://www.thomson.co.uk have 1
fri 26th 08.45-13.00
sun 28th 20.25-00.45
total £326
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http://www.flyglobespan.co.uk
london stanstead
fri 26th 11.45 - 16.10
sun 28th 16.55 - 21.15
Total £299
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Then BA
fri 26th 07.15 - 11.35
sun 28th 19.55 - 23.59
total £338
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But what i would go for and it is cheap for 2 of you is.
http://www.firstchoice.co.uk
friday 26th 07.15-11.45 leaving london stanstead. total cost for 2 adulst £108
then book a return with
https://book.flythomascook.com/skylights/html/Index.shtml
sun 28th 19.50 - 00.05 ret london gatwick total cost for 2 adults £59
that is with removing meals and only having 15kg baggage.
total £167 for both of you.
Not sure if you have card charges, but that is the best i could find for you.