21 Chesterton ↔ Bicester Town Centre, Pioneer Square

Operated by Oxford Bus Company. First bus 07:25, last bus 17:25. 18 journeys on weekdays.

The 21 is confirmed in the national fare cap — single fares cost at most £3 until 31 Dec 2026, then £2 from 1 January 2027. Source: GOV.UK. Details →

Timetable

Times are shown at the route's main timing stops — buses serve all stops in between. For times at your exact stop, open the stop's own page.

21 towards Bicester Town Centre, Pioneer Square — Monday to Friday (18 journeys)
The Red Cow (opp) 07:25·················
Pioneer Square (Stand 5) ··················
Bowmont Square (opp) 07:3308:0308:3309:0309:3310:0310:3312:0312:3313:0313:3314:0314:3315:0316:0316:3317:0317:33
Pioneer Square (Stand 5) 07:5007:5508:2508:5509:2509:5510:2511:5512:2512:5513:2513:5514:2514:5515:5516:2516:5517:25

Route map

All stops on route 21

Service history & registered changes

From official Traffic Commissioner registrations. All service changes →

Towns & areas on this route

Frequently asked questions

What time is the first 21 bus?

The first 21 departure on weekdays leaves at 07:25 (check the full timetable below for your stop, as times vary along the route — weekend times can differ).

What time is the last 21 bus?

The last 21 on weekdays leaves its first stop at 17:25. Always check the timetable for your specific stop — later stops are reached after this time.

How much does the 21 bus cost?

The 21 is confirmed by GOV.UK as part of the national fare cap, so a single costs at most £3 until 31 December 2026, then £2 from 1 January 2027. Oxford Bus Company day and weekly tickets can work out cheaper if you travel more than twice a day.

Who runs the 21 bus?

The 21 is operated by Oxford Bus Company.

Timetable data from the operator via the DfT Bus Open Data Service. Check before you travel — services can change at short notice.