The list is ordered from the oldest to the most recent announcement made by the Riot staff regarding skin sales.

Pre-Seasons Seasons
Pre-Season One Season One
Pre-Season Two Season Two
Pre-Season Three Season Three
Pre-Season Four Season Four
Pre-Season Five Season Five
Pre-Season Six Season Six
Pre-Season Seven Season Seven
Pre-Season Eight
Early Sales


Period Sales Link
November 10
2017
November 13
2017
KarthusSquare Statue of Karthus [S|L] - 50% off
DravenSquare Beast Hunter Draven [S|L] - 50% off
Dr. MundoSquare Pool Party Mundo [S|L] - 50% off
JaxSquare Nemesis Jax [S|L] - 50% off
[1]
November 14
2017
November 17
2017
AsheSquare Sherwood Forest Ashe [S|L] - 50% off
KarmaSquare Warden Karma [S|L] - 50% off
CaitlynSquare Officer Caitlyn [S|L] - 50% off
KassadinSquare Cosmic Reaver Kassadin [S|L] - 50% off
[2]
November 17
2017
November 20
2017
OlafSquare Forsaken Olaf [S|L] - 50% off
DariusSquare Academy Darius [S|L] - 50% off
Master YiSquare Headhunter Master Yi [S|L] - 50% off
RammusSquare Guardian of the Sands Rammus [S|L] - 50% off
[3]
November 16
2017
November 23
2017
Two For One Bundle - 50% off - RP 2211 (RP 4195 with champions)

Excuse Me Bundle - 50% off - RP 2545 (RP 4700 with champions)

Forest Friends Bundle - 50% off - RP 2699 (RP 4326 with champions)

Surprise Bundle - 50% off - RP 2396 (RP 4358 with champions)

[4]
November 16
2017
December 14
2017
Preseason Primer Bundle - 33% off - RP 900
  • M'Pengu Emote M'Pengu emote
  • Let's Do This Emote Let's Do This emote
  • Hoppin Mad Emote Hoppin Mad emote
[5]
November 17
2017
November 20
2017
Lee SinSquare God Fist Lee Sin [S|L] - 26% off
XayahSquare Cosmic Dusk Xayah [S|L] - 28% off
RakanSquare Cosmic Dawn Rakan [S|L] - 28% off
Master YiSquare Cosmic Blade Master Yi [S|L] - 28% off
OriannaSquare Dark Star Orianna [S|L] - 28% off
Kha'ZixSquare Dark Star Kha'Zix [S|L] - 28% off
CaitlynSquare Pulsefire Caitlyn [S|L] - 26% off
[6]
November 21
2017
November 24
2017
LeBlancSquare Prestigious LeBlanc [S|L] - 50% off
TristanaSquare Rocket Girl Tristana [S|L] - 50% off
BardSquare Elderwood Bard [S|L] - 50% off
KindredSquare Shadowfire Kindred [S|L] - 50% off
[7]
November 24
2017
November 27
2017
EvelynnSquare Tango Evelynn [S|L] - 50% off
RyzeSquare Ryze Whitebeard [S|L] - 50% off
Twisted FateSquare High Noon Twisted Fate [S|L] - 50% off
Lee SinSquare Pool Party Lee Sin [S|L] - 50% off
[8]
November 28
2017
December 1
2017
ShacoSquare Royal Shaco [S|L] - 50% off
SejuaniSquare Beast Hunter Sejuani [S|L] - 50% off
VeigarSquare Superb Villain Veigar [S|L] - 50% off
AzirSquare Gravelord Azir [S|L] - 50% off
[9]
December 1
2017
December 4
2017
ShyvanaSquare Boneclaw Shyvana [S|L] - 50% off
Vel'KozSquare Definitely Not Vel'Koz [S|L] - 50% off
AhriSquare Dynasty Ahri [S|L] - 50% off
Miss FortuneSquare Captain Fortune [S|L] - 50% off
[10]
December ??
2017
December ??
2017
TryndamereSquare Chemtech Tryndamere [S|L] - 23% off
RivenSquare Dawnbringer Riven [S|L] - 26% off
YasuoSquare Nightbringer Yasuo [S|L] - 26% off
KaynSquare Soulhunter Kayn [S|L] - 28% off
[11]

References

LoL's Official Sales page