A bit late, but better late than never.
No guarantee given for accuracy.
From day one to January 8 2016
For the first 262 days the average trading price is used as no closing price available.
Bitcoin price mainly from Bitstamp, Litecoin from BTCe so LTC-BTC is a bit different for BTCe price
No trade first couple of days ltc-dollar price established from ltc-btc and bitcoin dollar
The lowest closing price was on May 29 2012 at $0.0023.
The lowest recorded deal January 23 2012 at 1:36:42 $ 0.001302 4.20697 Litecoins changed hands at that price (did have all volume too, but gone. was just a spreadsheet, but link to it dead too)
Three days did not have any trades at all: 17.March 2012, 6.May 2012, 17.May 2012
LTC-USD
LTC-BTC
Pastebin contents will end up being a dead link just like the rest, so I'm afraid this is not a good case of "better late than never". Also, @Dave is asking for datasets, not vague prices inlined in the response. – David Ammouial – 2017-05-23T04:27:11.080
What about intraday data? – skan – 2017-12-20T21:38:53.280