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
Early Sales


Period Sales Link
November 8
2013
November 11
2013
GravesSquare.png Jailbreak Graves [S|L] - 50% off
VeigarSquare.png Veigar Greybeard [S|L] - 50% off
PantheonSquare.png Ruthless Pantheon [S|L] - 50% off
[1]
November 12
2013
November 15
2013
VarusSquare.png Blight Crystal Varus [S|L] - 50% off
LuluSquare.png Dragon Trainer Lulu [S|L] - 50% off
Xin ZhaoSquare.png Commando Xin Zhao [S|L] - 50% off
[2]
November 15
2013
November 18
2013
IreliaSquare.png Infiltrator Irelia [S|L] - 50% off
XerathSquare.png Runeborn Xerath [S|L] - 50% off
CaitlynSquare.png Resistance Caitlyn [S|L] - 50% off
[3]
November 19
2013
November 22
2013
NamiSquare.png Koi Nami [S|L] - 50% off
SingedSquare.png Augmented Singed [S|L] - 50% off
SionSquare.png Lumberjack Sion [S|L] - 50% off
[4]
November 19
2013
November 26
2013
Flexible cost bundles:
1. The Bear Essentials bundle - 40% off, RP 2565 (RP 4242 with the champions):
VolibearSquare.png Runeguard Volibear [S|L]
SejuaniSquare.png Bear Cavalry Sejuani [S|L]
AnnieSquare.png Panda Annie [S|L]
TeemoSquare.png Panda Teemo [S|L]
2. Masters of Malpractice bundle - 30% off, RP 2047 (RP 3769 with the champions):
ShenSquare.png Surgeon Shen [S|L]
KennenSquare.png Kennen M. D. [S|L]
AkaliSquare.png Nurse Akali [S|L]
3. Biker Boys bundle - 50% off, RP 1982 (RP 3945 with the champions):
JaxSquare.png Vandal Jax [S|L]
TwitchSquare.png Vandal Twitch [S|L]
BrandSquare.png Vandal Brand [S|L]
VladimirSquare.png Vandal Vladimir [S|L]
GragasSquare.png Vandal Gragas [S|L]
4. Carry your carry bundle - 25% off, RP 3585:
Thresh Thresh
Zyra Zyra
Nami Nami
Lulu Lulu
Leona Leona
[5]
November 22
2013
November 25
2013
NunuSquare.png Demolisher Nunu [S|L] - 50% off
ShenSquare.png Blood Moon Shen [S|L] - 50% off
ShacoSquare.png Royal Shaco [S|L] - 50% off
[6]
November 26
2013
November 29
2013
DravenSquare.png Soul Reaver Draven [S|L] - 50% off
DianaSquare.png Dark Valkyrie Diana [S|L] - 50% off
TalonSquare.png Renegade Talon [S|L] - 50% off
[7]
November 29
2013
December 2
2013
ViktorSquare.png Full Machine Viktor [S|L] - 50% off
LuxSquare.png Spellthief Lux [S|L] - 50% off
VayneSquare.png Aristocrat Vayne [S|L] - 50% off
[8]
December 3
2013
December 6
2013
TristanaSquare.png Guerilla Tristana [S|L] - 50% off
WukongSquare.png Volcanic Wukong [S|L] - 50% off
GarenSquare.png Commando Garen [S|L] - 50% off
[9]
December 6
2013
December 9
2013
ViSquare.png Neon Strike Vi [S|L] - 50% off
Lee SinSquare.png Acolyte Lee Sin [S|L] - 50% off
CassiopeiaSquare.png Desperada Cassiopeia [S|L] - 50% off
[10]
December 10
2013
December 13
2013
WarwickSquare.png Firefang Warwick [S|L] - 50% off
XerathSquare.png Scorched Earth Xerath [S|L] - 50% off
CorkiSquare.png Hot Rod Corki [S|L] - 50% off
[11]
December 13
2013
December 16
2013
SorakaSquare.png Divine Soraka [S|L] - 50% off
JaxSquare.png Temple Jax [S|L] - 50% off
Cho'GathSquare.png Loch Ness Cho'Gath [S|L] - 50% off
[12]
December 17
2013
December 20
2013
JannaSquare.png Frost Queen Janna [S|L] - 50% off
AnnieSquare.png Frostfire Annie [S|L] - 50% off
EzrealSquare.png Frosted Ezreal [S|L] - 50% off
[13]
December 20
2013
December 23
2013
KennenSquare.png Arctic Ops Kennen [S|L] - 50% off
FizzSquare.png Tundra Fizz [S|L] - 50% off
OlafSquare.png Glacial Olaf [S|L] - 50% off
[14]
December 24
2013
December 27
2013
RumbleSquare.png Rumble in the Jungle [S|L] - 50% off
JayceSquare.png Full Metal Jayce [S|L] - 50% off
RivenSquare.png Crimson Elite Riven [S|L] - 50% off
[15]
December 27
2013
December 30
2013
GragasSquare.png Gragas, Esq. [S|L] - 50% off
NunuSquare.png Grungy Nunu [S|L] - 50% off
ZileanSquare.png Groovy Zilean [S|L] - 50% off
[16]
December 31
2013
January 3
2014
KassadinSquare.png Harbinger Kassadin [S|L] - 50% off
MalzaharSquare.png Overlord Malzahar [S|L] - 50% off
MordekaiserSquare.png Infernal Mordekaiser [S|L] - 50% off
[17]
January 3
2014
January 6
2014
CassiopeiaSquare.png Mythic Cassiopeia [S|L] - 50% off
SionSquare.png Barbarian Sion [S|L] - 50% off
GangplankSquare.png Spooky Gangplank [S|L] - 50% off
[18]
January 7
2014
January 10
2014
TeemoSquare.png Panda Teemo [S|L] - 50% off
BlitzcrankSquare.png Piltover Customs Blitzcrank [S|L] - 50% off
BrandSquare.png Vandal Brand [S|L] - 50% off
[19]
January 10
2014
January 13
2014
CorkiSquare.png Urfrider Corki [S|L] - 50% off
RammusSquare.png Chrome Rammus [S|L] - 50% off
JaxSquare.png Vandal Jax [S|L] - 50% off
[20]

References

Skin Sales Super-Thread by Coreporeal