UK Weekend Box Office
UK Box Office 19th December, 1980
| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (1) |  | Flash Gordon (1980) | £1,097,984 | £1,482,278 | £1,912,924 | 61% | 2 |
| 2 (new) |  | The Blue Lagoon (1980) | £479,544 | £479,544 | £479,544 | new | 1 |
| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (1) | | Flash Gordon (1980) | £1,097,984 | £1,482,278 | £1,912,924 | 61% | 2 |
| 2 (new) | | The Blue Lagoon (1980) | £479,544 | £479,544 | £479,544 | new | 1 |