# When is DEF CON 35 and what does it cost

DEF CON 35 runs August 5 to 8, 2027 at the Las Vegas Convention Center West Hall, per the official site. As of September 11, 2026, pricing has not been announced; organizers say details will follow later.

Source: https://www.withexpa.ai/conf/2027/black-hat-usa/defcon-week
Page: Black HatとDEF CONの違い：2027年の技術視察をどう組むか

## Other questions this page answers

- Is DEF CON cheaper if you register early
  https://www.withexpa.ai/llm-query?p=2027/black-hat-usa/defcon-week&q=Is+DEF+CON+cheaper+if+you+register+early
- How many days does attending both shows take
  https://www.withexpa.ai/llm-query?p=2027/black-hat-usa/defcon-week&q=How+many+days+does+attending+both+shows+take

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