Card
All Onix Pokemon Cards
Complete list of every Onix card from the Pokemon Trading Card Game with current market prices.
Most valuable: Onix from Southern Islands — $35.80
All Onix Cards (34)
Onix Appears in These Sets
Southern Islands
Macdonald's Collection 2019
Promos-A
Gym Heroes
Pokémon GO
Hidden Fates
Crimson Blaze
FireRed & LeafGreen
Base Set
Unleashed
Evolutions
Plasma Freeze
Unseen Forces
Battle Styles
Neo Genesis
Stormfront
Team Rocket Returns
Mega Evolution
Sandstorm
Celestial Storm
Legendary Collection
Base Set 2
Paradox Rift
Diamond & Pearl
Wisdom of Sea and Sky
151
Aquapolis
Unified Minds
Cosmic Eclipse
Lost Thunder
Fusion Strike
Genetic Apex
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About Onix Pokemon Cards
Onix has appeared on 34 different Pokemon Trading Card Game cards across 32 sets. Whether you're looking to check the value of your Onix cards, find the most expensive Onix card, or browse every Onix card ever printed, this page has you covered.
Onix Card Values
The most valuable Onix card is currently Onix from the Southern Islands set, valued at $35.80. Onix cards range in price from $0.03 to $35.80, with an average value of $2.53 across 30 cards with available pricing data.
How to Check Your Onix Card's Worth
Use our free Pokemon card scanner to instantly identify and price any Onix card. Simply point your camera at the card and get real-time market prices from TCGPlayer and CardMarket. You can also search by name to find specific Onix card variants and their current values.
Collecting Onix Cards
Onix cards are highly sought after by Pokemon card collectors. The most valuable Onix cards tend to be holographic variants, full art versions, alternate art cards, and first edition prints from vintage sets. Check our Pokemon card price guide for tips on understanding card values, and visit our most valuable Pokemon cards page to see which cards are worth the most in today's market.
Browse More Pokemon Cards
Looking for more? Browse all Pokemon cards by name to find every card for any Pokemon across all generations. You can also explore cards by energy type — including Fire, Water, Psychic, Dragon, and more — or filter by card rarity to find Illustration Rare, Special Illustration Rare, Ultra Rare, and Secret Rare cards. Trace Onix through its evolution line, explore cards by TCG series or illustrator, check upcoming releases, or look up terms in our TCG glossary. Thinking about grading your best Onix cards? Read our grading guide to compare PSA, BGS, and CGC. Every card page includes the latest market prices from TCGPlayer and CardMarket, so you always know how much your cards are worth.