For details of what happened in the main tournaments of 2004, including the major championships and the World Golf Championships, see 2004 in golf.
The numbers in brackets after the winners' names show the number of career wins they had on the European Tour up to and including that event. This is only shown for members of the European Tour. To give such a number for non-members would misrepresent the amount of time some international golfers spend on the European Tour; as the Tour co-sanctions the major championships and World Golf Championships events, some top players accumulate a significant number of wins in European Tour sanctioned events without really playing on it.
| Dates | Tournament | Host country | Winner | Notes | | 4–7 Dec | Omega Hong Kong Open | Hong Kong | IRL}} Pádraig Harrington (8) | Co-sanctioned with the Asian Tour |
| 15–18 Jan | South African Airways Open | South Africa | ZAF}} Trevor Immelman (2) | Co-sanctioned with the Sunshine Tour |
| 22–25 Jan | Dunhill Championship | South Africa | DEU}} Marcel Siem (1) | Co-sanctioned with the Sunshine Tour |
| 29 Jan – 1 Feb | Johnnie Walker Classic | Thailand | ESP}} Miguel Ángel Jiménez (8) | Co-sanctioned with the Asian Tour
and PGA Tour of Australasia |
| 5–8 Feb | Heineken Classic | Australia | ZAF}} Ernie Els (16) | Co-sanctioned with the PGA Tour of Australasia |
| 12–15 Feb | ANZ Championship | Australia | ENG}} Brian Davis (2) | Co-sanctioned with the PGA Tour of Australasia |
| 19–22 Feb | Carlsberg Malaysian Open | Malaysia | THA}} Thongchai Jaidee (1) | Co-sanctioned with the Asian Tour |
| 26–29 Feb | WGC-Accenture Match Play Championship | United States | USA}} Tiger Woods (n/a) | World Golf Championships |
| 4–7 Mar | Dubai Desert Classic | United Arab Emirates | USA}} Mark O'Meara (n/a) |
| 11–14 Mar | Qatar Masters | Qatar | SWE}} Joakim Haeggman (3) |
| 18–21 Mar | Caltex Singapore Masters | Singapore | SCO}} Colin Montgomerie (28) | Co-sanctioned with the Asian Tour |
| 25–28 Mar | Madeira Island Open | Portugal | SWE}} Chris Hanell (1) | Dual ranking event with the Challenge Tour |
| 1–4 Apr | Algarve Open de Portugal Caixa Geral de Depositos | Portugal | ESP}} Miguel Ángel Jiménez (9) |
| 8–11 Apr | Masters Tournament | United States | USA}} Phil Mickelson (n/a) | Major championship |
| 15–18 Apr | Open de Sevilla | Spain | ARG}} Ricardo González (3) |
| 22–25 Apr | Canarias Open de España | Spain | FRA}} Christian Cévaër (1) |
| 29 Apr – 3 May | Telecom Italia Open | Italy | NIR}} Graeme McDowell (2) |
| 6–9 May | Daily Telegraph Damovo British Masters | England | ENG}} Barry Lane (5) |
| 13–16 May | BMW Asian Open | China | ESP}} Miguel Ángel Jiménez (10) | Co-sanctioned with the Asian Tour |
| 20–23 May | Deutsche Bank - SAP Open TPC of Europe | Germany | ZAF}} Trevor Immelman (3) |
| 27–30 May | Volvo PGA Championship | England | SCO}} Scott Drummond (1) | The European Tour's flagship event |
| 3–6 Jun | Celtic Manor Wales Open | Wales | ENG}} Simon Khan (1) |
| 10–13 Jun | Diageo Championship at Gleneagles | Scotland | ENG}} Miles Tunnicliff (2) |
| 17–20 Jun | U.S. Open | United States | ZAF}} Retief Goosen (10) | Major championship |
| 17–20 Jun | Aa St Omer Open | France | FRA}} Philippe Lima (1) | Dual ranking event with the Challenge Tour |
| 24–27 Jun | Open de France | France | FRA}} Jean-François Remésy (2) |
| 1–4 Jul | Smurfit European Open | Ireland | ZAF}} Retief Goosen (11) |
| 8–11 Jul | Barclays Scottish Open | Scotland | FRA}} Thomas Levet (3) |
| 15–18 Jul | The Open Championship | Scotland | USA}} Todd Hamilton (1) | Major championship |
| 22–25 Jul | Nissan Irish Open | Ireland | AUS}} Brett Rumford (2) |
| 29 Jul – 1 Aug | Scandinavian Masters by Carlsberg | Sweden | ENG}} Luke Donald (1) |
| 5–8 Aug | KLM Open | Netherlands | ENG}} David Lynn (1) |
| 12–15 Aug | PGA Championship | United States | FJI}} Vijay Singh (12) | Major championship |
| 12–15 Aug | BMW Russian Open | Russia | ENG}} Gary Emerson (1) | Dual ranking event with the Challenge Tour |
| 19–22 Aug | WGC-NEC Invitational | United States | USA}} Stewart Cink (n/a) | World Golf Championships |
| 26–29 Aug | BMW International Open | Germany | ESP}} Miguel Ángel Jiménez (11) |
| 2–5 Sep | Omega European Masters | Switzerland | ENG}} Luke Donald (2) |
| 9–12 Sep | Linde German Masters | Germany | IRL}} Pádraig Harrington (9) |
| 23–26 Sep | The Heritage | England | SWE}} Henrik Stenson (2) |
| 30 Sep – 3 Oct | WGC-American Express Championship | Ireland | ZAF}} Ernie Els (17) | World Golf Championships |
| 7–10 Oct | Dunhill Links Championship | Scotland | SCO}} Stephen Gallacher (1) |
| 14–17 Oct | HSBC World Match Play Championship | England | ZAF}} Ernie Els (18) | 16-man match play tournament |
| 14–17 Oct | Mallorca Classic | Spain | ESP}} Sergio García (5) |
| 21–24 Oct | Open de Madrid | Spain | ZAF}} Richard Sterne (1) |
| 28–31 Oct | Volvo Masters Andalucia | Spain | ENG}} Ian Poulter (6) | Tour Championship |
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In 2004, the European Tour's money list was known as the "Order of Merit". It was calculated in euro, although around half of the events had prize funds which were fixed in other currencies, mostly either British pounds or U.S. dollars. In these instances the amounts were converted into euro at the exchange rate for the week that the tournament was played. The top 10 golfers in 2004 were: