Oxford is about 45 miles west of Heathrow airport. Other convenient airports are Gatwick and Birmingham.
There are regular coaches that run 24 hours a day (up to every 20 minutes to and from Heathrow; up to every hour to and from Gatwick) operated by The Airline (part of the Oxford Bus Company).
Coaches stop on the London Road in Headington, which is 10 minutes walk from Warneford Hall.
Birmingham airport is next to Birmingham International railway station, which has frequent direct trains to Oxford.