The M4 corridor west of Heathrow is one of our busiest catchments. Most of these towns sit outside the London surcharge zone, so fares stay low. Here's the full picture, both directions.
Routes, distances & the local picture
| Route (both directions) | Distance | Notes |
|---|---|---|
| Slough → Heathrow / Heathrow → Slough | ~7 mi · M4 J5 | Quickest M4 run |
| Maidenhead → Heathrow / Heathrow → Maidenhead | ~13 mi · M4 J8/9 | No London surcharge |
| Windsor → Heathrow / Heathrow → Windsor | ~6 mi · A308 · M4 | Castle & Legoland |
| Reading → Heathrow / Heathrow → Reading | ~26 mi · M4 J11 | Thames Valley parks |
| High Wycombe → Heathrow / Heathrow → High Wycombe | ~20 mi · M40 · M25 | Quick via the M40 |
Click any town for fixed fares, FAQs and booking. Indicative distances; live fares confirmed at booking.
Why the Thames Valley is good value
Most of these towns are outside Heathrow's London zone, so the fixed fare is lower than an equivalent central-London run. For early M4 flights, see the best time to leave.
FAQs
Which Thames Valley towns are cheapest to Heathrow?
The closest with no London surcharge — Slough, Windsor and Maidenhead — are among the best value.
Do you cover the Thames Valley business parks?
Yes — Reading, Bracknell and the M4-corridor parks, with corporate accounts available.