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 Season Eight
Early Sales


Period Sales Link
November 10
2017
November 13
2017
Karthus StatueofKarthusCircle Statue of Karthus [S|L] - 50% off
Draven BeastHunterCircle Beast Hunter Draven [S|L] - 50% off
Dr. Mundo PoolPartyMundoCircle Pool Party Mundo [S|L] - 50% off
Jax NemesisCircle Nemesis Jax [S|L] - 50% off
[1]
November 14
2017
November 17
2017
Ashe SherwoodForestCircle Sherwood Forest Ashe [S|L] - 50% off
Karma WardenCircle Warden Karma [S|L] - 50% off
Caitlyn OfficerCircle Officer Caitlyn [S|L] - 50% off
Kassadin CosmicReaverCircle Cosmic Reaver Kassadin [S|L] - 50% off
[2]
November 17
2017
November 20
2017
Olaf ForsakenCircle Forsaken Olaf [S|L] - 50% off
Darius AcademyCircle Academy Darius [S|L] - 50% off
Master Yi HeadhunterCircle Headhunter Master Yi [S|L] - 50% off
Rammus GuardianoftheSandsCircle Guardian of the Sands Rammus [S|L] - 50% off
[3]
November 16
2017
November 23
2017
Two For One Bundle - 50% off - RP icon 2211 (RP icon 4195 with champions)

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

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

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

[4]
November 16
2017
December 14
2017
Preseason Primer Bundle - 33% off - RP icon 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 Sin GodFistCircle God Fist Lee Sin [S|L] - 26% off
Xayah CosmicDuskCircle Cosmic Dusk Xayah [S|L] - 28% off
Rakan CosmicDawnCircle Cosmic Dawn Rakan [S|L] - 28% off
Master Yi CosmicBladeCircle Cosmic Blade Master Yi [S|L] - 28% off
Orianna DarkStarCircle Dark Star Orianna [S|L] - 28% off
Kha'Zix DarkStarCircle Dark Star Kha'Zix [S|L] - 28% off
Caitlyn PulsefireCircle Pulsefire Caitlyn [S|L] - 26% off
[6]
November 21
2017
November 24
2017
LeBlanc PrestigiousCircle Prestigious LeBlanc [S|L] - 50% off
Tristana RocketGirlCircle Rocket Girl Tristana [S|L] - 50% off
Bard ElderwoodCircle Elderwood Bard [S|L] - 50% off
Kindred ShadowfireCircle Shadowfire Kindred [S|L] - 50% off
[7]
November 24
2017
November 27
2017
Evelynn TangoCircle Tango Evelynn [S|L] - 50% off
Ryze RyzeWhitebeardCircle Ryze Whitebeard [S|L] - 50% off
Twisted Fate HighNoonCircle High Noon Twisted Fate [S|L] - 50% off
Lee Sin PoolPartyCircle Pool Party Lee Sin [S|L] - 50% off
[8]
November 28
2017
December 1
2017
Shaco RoyalCircle Royal Shaco [S|L] - 50% off
Sejuani BeastHunterCircle Beast Hunter Sejuani [S|L] - 50% off
Veigar SuperbVillainCircle Superb Villain Veigar [S|L] - 50% off
Azir GravelordCircle Gravelord Azir [S|L] - 50% off
[9]
December 1
2017
December 4
2017
Shyvana BoneclawCircle Boneclaw Shyvana [S|L] - 50% off
Vel'Koz DefinitelyNotCircle Definitely Not Vel'Koz [S|L] - 50% off
Ahri DynastyCircle Dynasty Ahri [S|L] - 50% off
Miss Fortune CaptainFortuneCircle Captain Fortune [S|L] - 50% off
[10]
December 5
2017
December 8
2017
Gangplank MinutemanCircle Minuteman Gangplank [S|L] - 50% off
Gragas OktoberfestCircle Oktoberfest Gragas [S|L] - 50% off
Kalista BloodMoonCircle Blood Moon Kalista [S|L] - 50% off
Leona PROJECTCircle PROJECT: Leona [S|L] - 50% off
[11]
December 8
2017
December 11
2017
Irelia AviatorCircle Aviator Irelia [S|L] - 50% off
Ekko AcademyCircle Academy Ekko [S|L] - 50% off
Annie PandaCircle Panda Annie [S|L] - 50% off
Nidalee WarringKingdomsCircle Warring Kingdoms Nidalee [S|L] - 50% off
[12]
December 12
2017
January 8
2017
"Your Shop", personalized discounts with 6 champion skin discounts [13]
December 12
2017
December 15
2017
Xin Zhao CommandoCircle Commando Xin Zhao [S|L] - 50% off
Varus VarusSwiftboltCircle Varus Swiftbolt [S|L] - 50% off
Thresh DeepTerrorCircle Deep Terror Thresh [S|L] - 50% off
Wukong RadiantCircle Radiant Wukong [S|L] - 50% off
[14]
December 15
2017
December 18
2017
Sion LumberjackCircle Lumberjack Sion [S|L] - 50% off
Braum BraumLionheartCircle Braum Lionheart [S|L] - 50% off
Maokai CharredCircle Charred Maokai [S|L] - 50% off
Akali SilverfangCircle Silverfang Akali [S|L] - 50% off
[15]
December 14
2017
December 21
2017
Ice Mage Bundle - 50% off - RP icon 2699 (RP icon 4683 with champions)

Endless Winter Bundle - 50% off - RP icon 2284 (RP icon 4026 with champions)

Frosted Tops Bundle - 50% off - RP icon 2284 (RP icon 4291 with champions)

Call Of The Wild Bundle - 50% off - RP icon 2157 (RP icon 4253 with champions)

[16]
December 14
2017
January 18
2018
Mixed Feelings Bundle - 33% off - RP icon 900
  • Nice Try Emote Nice Try emote
  • Angry Kitten Emote Angry Kitten emote
  • Happy To See You Emote Happy To See You emote
[17]
December 15
2017
December 18
2017
Tryndamere ChemtechCircle Chemtech Tryndamere [S|L] - 23% off
Riven DawnbringerCircle Dawnbringer Riven [S|L] - 26% off
Yasuo NightbringerCircle Nightbringer Yasuo [S|L] - 26% off
Kayn SoulhunterCircle Soulhunter Kayn [S|L] - 28% off
[18]
December 17
2017
January 8
2018
Gift a Santa Baron 2017 profileicon Santa Baron Cookie icon to a friend for BE icon 1,000. [19]
December 19
2017
December 22
2017
Trundle Lil'SluggerCircle Lil' Slugger Trundle [S|L] - 50% off
Renekton PoolPartyCircle Pool Party Renekton [S|L] - 50% off
Teemo SuperCircle Super Teemo [S|L] - 50% off
Soraka ProgramCircle Program Soraka [S|L] - 50% off
[20]
December 22
2017
December 25
2017
Udyr BlackBeltCircle Black Belt Udyr [S|L] - 50% off
Ezreal AceofSpadesCircle Ace of Spades Ezreal [S|L] - 50% off
Lucian HiredGunCircle Hired Gun Lucian [S|L] - 50% off
Elise BloodMoonCircle Blood Moon Elise [S|L] - 50% off
[21]
December 26
2017
December 29
2017
Swain BilgewaterCircle Bilgewater Swain [S|L] - 50% off
Ashe MarauderCircle Marauder Ashe [S|L] - 50% off
Rengar HeadhunterCircle Headhunter Rengar [S|L] - 50% off
Fiora PoolPartyCircle Pool Party Fiora [S|L] - 50% off
[22]
December 29
2017
January 1
2018
Urgot GiantEnemyCrabgotCircle Giant Enemy Crabgot [S|L] - 50% off
Nami UrftheNami-teeCircle Urf the Nami-tee [S|L] - 50% off
Azir GalacticCircle Galactic Azir [S|L] - 50% off
Singed SurferCircle Surfer Singed [S|L] - 50% off
[23]
January 2
2018
January 5
2018
Nasus PharaohCircle Pharaoh Nasus [S|L] - 50% off
Kled SirCircle Sir Kled [S|L] - 50% off
Sona PentakillCircle Pentakill Sona [S|L] - 50% off
LeBlanc ElderwoodCircle Elderwood LeBlanc [S|L] - 50% off
[24]
January 5
2018
January 8
2018
Galio CommandoCircle Commando Galio [S|L] - 50% off
Garen RogueAdmiralCircle Rogue Admiral Garen [S|L] - 50% off
Kha'Zix GuardianoftheSandsCircle Guardian of the Sands Kha'Zix [S|L] - 50% off
Caitlyn HeadhunterCircle Headhunter Caitlyn [S|L] - 50% off
[25]
January 9
2018
January 12
2018
Master Yi ChosenCircle Chosen Master Yi [S|L] - 50% off
Graves CutthroatCircle Cutthroat Graves [S|L] - 50% off
Gangplank SpecialForcesCircle Special Forces Gangplank [S|L] - 50% off
Lissandra ProgramCircle Program Lissandra [S|L] - 50% off
[26]

References

LoL's Official Sales page