If you need to get away from it all, head to one of two places for cheap flights and accommodation: Trailfinders in St Aldates (01865 261 000) or STA Travel on George Street (0871 702 9839). They're both busy, all the time, but the staff are knowledgeable and the deals unmatched.
All the usual agencies are located in the roads around Cornmarket Street, Queen Street, and the High Street. Champion Recruitment is used by many local businesses for catering temps and for the hospitals, and has been recruiting students for the Bodleian Library project. But one of the best sources for part-time and vacation work in Oxford is the Daily Information, published daily, as its name suggests, and pinned up on noticeboards and distributed in cafés all over the city. If you don't see a hard copy, you can read it online at www.dailyinfo.co.uk/jobs