Travelling from Harlow to Heathrow Airport means crossing to the far side of the M25: about 40 road miles from the Essex new town to west London via the A414, the M11 at Junction 7 and the M25 at Junction 27. Here is the honest headline before anything else. There is no direct train — the fastest public route is Greater Anglia from Harlow Town to Liverpool Street (or a change at Stratford) plus the Elizabeth line, around 1 hour 26 minutes with one change; the direct 724 Green Line bus is the cheapest way but takes roughly 2.5 to 3.5 hours the long orbital way round; and a fixed-fare door-to-door taxi does it in about 1 hour to 1 hour 20, saloon from £75.50, reaching every terminal T2–T5.
Stansted Airport Taxi is a TfL-licensed private-hire operator — rated 4.9/5 from 247 verified reviews over 200,000+ bookings — covering every CM17–CM20 address, 24 hours a day, with meet & greet and flight tracking included.
| Option | Journey time | Typical cost | Changes | Best for |
|---|---|---|---|---|
| Train (Greater Anglia + Elizabeth line) | ~1h26+ | from ~£22 advance (verify) | 1 | Fastest public route, solo travellers |
| 724 Green Line bus | ~2.5–3.5 hrs | cheapest — check Arriva (verify) | 0 (direct, but orbital) | Lowest cost, no time pressure, T5 |
| National Express coach | varies by departure | from ~£30 (verify) | 0–1 | Guaranteed seat, luggage hold, budget |
| Fixed-fare taxi | ~1h–1h20 door to door | from £75.50 fixed (whole car) | 0 | Groups, luggage, early/late flights, any terminal |
Harlow sits in Stansted's backyard. Stansted Airport is only around 12–15 miles up the M11; Heathrow is roughly 40 miles away on the opposite side of London. We are an airport transfer firm telling you plainly: if Stansted flies where you are going, it is usually the smarter airport from a CM postcode.
~12–15 miles up the M11 — a fraction of the road time, a cheaper transfer and far less exposure to M25 delays.
~40 miles across the M25 via A414, M11 J7, M25 J27 clockwise. Fixed taxi from £75.50, ~1h–1h20.
Heathrow remains Britain's long-haul hub. If your flight is with British Airways, Virgin Atlantic or a Star Alliance, Oneworld or SkyTeam carrier — New York, Dubai, Singapore, Johannesburg — Heathrow is often the only realistic departure point. We serve both airports on fixed fares, so this advice is genuinely neutral: choose the airport, then we will get you there.
By road it is roughly 40 miles: the A414 out of Harlow to M11 Junction 7 (three to four miles), one junction south on the M11, then the M25 at Junction 27 and clockwise round the western arc past the A1(M) and M1 interchanges towards the M4. Off-peak that is a 1 hour to 1 hour 20 run; in the weekday peaks it can stretch to 1 hour 40 or even two hours. On this route distance is not the variable — traffic is.
The two places that decide your day are the M11/M25 merge at Junction 27 and the final Heathrow approach where the M4 and M25 traffic funnels together. A driver who runs this corridor daily times the departure window against live conditions — leaving 20 minutes earlier often saves 40 on the far side.
For Terminals 2 and 3 we leave the M25 at Junction 15 onto the M4 and exit at Junction 4b for the Heathrow spur; for Terminal 5 we stay on the M25 to Junction 14; Terminal 4 is reached from J14 via the Southern Perimeter Road. Knowing which exit your terminal needs is worth several minutes on the day.
Heathrow spur off M4 Junction 4b for the Queen's Terminal and the oneworld/independent hub.
Off M25 Junction 14 via the Southern Perimeter Road — the terminal apart, on its own loop.
Stay on the M25 to Junction 14 for BA and Iberia's terminal — direct door drop.
The rail route is the fastest public-transport answer, and we say so first. Greater Anglia runs down the West Anglia Main Line from Harlow Town to London Liverpool Street in about 35–40 minutes, with roughly 200 trains a day; from there the Elizabeth line carries you out to Heathrow Terminals 2–3 or Terminal 4. End to end it is around 1 hour 26 minutes or more with one change.
Harlow has two stations. Here is the sensible pick for an airport run:
Beside the town park north of the centre, Harlow Town has the frequent fast services and is the sensible choice for an airport run.
Up by Old Harlow, Harlow Mill sees fewer stopping trains. Heading into London you can change either at Stratford or ride through to Liverpool Street — both connect to the same Elizabeth line.
Advance singles for the rail leg start around £21.90–£22.80, with the first departure at roughly 03:44 and the last around 23:47 (verify current times and fares with Greater Anglia or National Rail before travelling). One change is the minimum; add the Elizabeth line fare for the Heathrow leg. With a case in each hand, budget extra minutes for the interchange.
Changing at Stratford is often quicker on foot — the Elizabeth line platforms are a shorter, step-free walk than the deep escalators at Liverpool Street — and you board a Heathrow-bound train a few minutes earlier. Check the front of the train serves your branch: Terminals 2–3 and Terminal 4 sit on different Elizabeth line branches.
The Arriva Herts & Essex 724 Green Line is the only single-vehicle public ride from Harlow to Heathrow, and it is the cheapest option of all. What the raw timetables never spell out is the geometry: the 724 is an orbital service, looping via Ware, Hertford, Welwyn Garden City, Hatfield, St Albans, Watford and Uxbridge before it reaches the airport.
Allow roughly 2.5 to 3.5 hours on board depending on time of day and traffic through the Hertfordshire towns. The 724 calls at Heathrow Central Bus Station (for Terminals 2 and 3) and terminates at Terminal 5 — it does not serve Terminal 4, which needs an onward hop on the free inter-terminal connections.
Travelling solo, with hours to spare, flying from T5 on a flexible day? The 724 is a perfectly good, very cheap answer and we will not pretend otherwise. With a tight check-in, a T4 flight, small children or a luggage pile, three-plus hours on a stopping bus stops making sense.
Singles vary by ticket type and distance bands; check current prices and the live timetable with Arriva or Intalink before you rely on them (verify). Frequency is broadly hourly through the day with a reduced overnight pattern. Weigh the fare saved against the ~£22 advance train doing the trip in under half the time.
National Express links Harlow with Heathrow from around £30 (verify current prices), dropping at the airport's coach facilities. Against the 724 it buys a guaranteed seat, a proper luggage hold and motorway routing instead of the stopping orbital loop.
Pick the coach for a booked seat with big bags on a budget. Its weakness is frequency: a handful of departures a day against the train's ~200, so the check-in arithmetic has to work backwards from the timetable rather than from your flight. Miss the one that fits and the maths collapses.
This is what we do, and the case is convenience, not price: one car, one fixed fare, zero changes — from any CM17, CM18, CM19 or CM20 doorstep straight to your terminal in about 1 hour to 1 hour 20. No dragging cases up the Liverpool Street escalators, no three-hour orbital loop, no watching a meter climb through the J27 merge.
The price is agreed when you book and does not move: no surge at 4am or on Bank Holidays, no supplement for a slow M25. It covers a TfL-licensed, DBS-checked driver, meet & greet with a name board on airport pickups, live flight tracking, 45–60 minutes' free waiting at arrivals, luggage help and child or booster seats on request.
A saloon suits up to four passengers with three cases; an estate adds boot space for golf bags or a buggy. Families and small groups fit an MPV5–MPV8; the Executive Mercedes E-Class covers business travel; and Executive MPVs and minibuses seat eight to sixteen, so a whole party — and every suitcase — travels together in one vehicle.
Aggregator sites machine-guess this route at £170–£210 — more than double our saloon rate. On a fixed 40-mile motorway run a pre-agreed price is simply the honest model: you know the number before the car arrives, and an hour lost to the M25 costs you nothing extra. A meter or a surging app transfers that traffic risk to you.
Aggregator sites machine-guess this route at £170–£210 — more than double our saloon rate of £75.50. On a fixed 40-mile motorway run, a pre-agreed price is the honest model — you know the number before the car arrives.
Heathrow levies a charge (currently around £6, set by the airport) on vehicles using the terminal forecourts. Ask when you book whether it is included in your quote — we tell you upfront rather than adding it at the kerb.
Calculated from our published mileage rate card at the ~40-mile route distance:
Up to 4 passengers · 3 cases
Couples and solo travellers with standard luggage.
Up to 4 passengers · 4 cases
Boot space for golf bags or a buggy.
Up to 5 passengers
Five-seater with luggage space.
Up to 6 passengers · 5 bags
Families and small groups — one vehicle, one boot.
Up to 7 passengers
Seven-seater with luggage space. Child seats on request.
Up to 8 passengers
Larger groups in one vehicle for the M25 crossing.
Business class · up to 3–4
Business travel with a quiet hour to work or rest.
Groups · teams · events
A whole party — and every suitcase — in one vehicle.
* Indicative fares from the published Stansted Airport Taxi rate card at ~40 miles; your exact fixed price is confirmed at booking based on pickup postcode, vehicle, date and time. No surge pricing, ever.
No journey planner on this route breaks Heathrow down by terminal — yet it changes both your drop-off and your public-transport options. Check your booking confirmation, or give us your flight number and we will confirm it for you.
Lufthansa, United, Singapore Airlines, Air Canada, Turkish Airlines and partners.
T3 724 · ✓Virgin Atlantic, Emirates, American Airlines, Cathay Pacific, some British Airways.
Air France, KLM, Etihad, Qatar Airways. Note: the 724 bus never reaches T4.
British Airways and Iberia's home — and where the 724 terminates.
Terminals 2 and 3 share the central campus; T4 and T5 stand apart, and the Elizabeth line splits between the T2–3/T5 and T4 branches. A taxi is the one mode that goes to any terminal door without a transfer — just confirm the terminal at booking.
We cover every corner of the new town and its older villages — the local knowledge no aggregator page can fake.
The historic village end, Churchgate Street and the station approach.
🏛️ Historic village · Churchgate StreetThe modern estates east of the A414 — a fast run straight onto the M11 at Junction 7.
→ M11 J7 directBush Fair, Staple Tye and surrounding closes.
The Harvey Centre, Harlow Playhouse, the Water Gardens and Harlow Town station.
🚉 Harvey Centre · Harlow Town stationWe also collect from Roydon, Sheering and the villages just outside the district on the same fixed-fare basis.
Pickups from The Gibberd Garden end of town — fitting for Britain's 'Sculpture Town'.
Pickups from The Gibberd Garden end of town — fitting for Britain's 'Sculpture Town' — and from Roydon, Sheering and the villages just outside the district on the same fixed-fare basis.
For the Templefields and Pinnacles employment areas we run executive transfers with VAT receipts and account invoicing — useful for the science and advanced-manufacturing employers based there.
Princess Alexandra Hospital staff and visitors use us for early shift-pattern airport runs, and we time hospital pickups around the site's parking realities.
A 06:00–07:00 Heathrow departure means check-in from about 04:00 — and even the 03:44 first train from Harlow Town cannot land you airside in time once the Elizabeth line leg is counted. The orbital 724 rarely fits a flight schedule in either direction. A pre-booked car at 02:30 solves it, priced exactly the same as a midday run.
Land after about 22:00 and the connection back towards the last Harlow train (~23:47) becomes a gamble on baggage reclaim; land after midnight and public transport has finished altogether. Your driver, by contrast, is tracking the flight and waiting at arrivals whenever you touch down — that is what 24/7 actually means.
Your driver is inside the arrivals hall of your terminal — T2, T3, T4 or T5 — holding a name board when you clear customs. No hunting for a rank, no phone calls in a crowd: you walk out to someone who already knows your name, your luggage count and your Harlow address. We monitor your inbound flight number, so an early arrival or a two-hour delay simply moves the pickup — at no charge. Every airport collection includes 45–60 minutes of free waiting from actual touchdown, which comfortably covers immigration and reclaim on a normal day.
The return leg mirrors the outbound: a fixed fare from any Heathrow terminal to any CM17–CM20 address, pre-booked so a driver is assigned and tracking your flight before you have even boarded it. Most customers book the Heathrow to Harlow return together with the outbound in one confirmation.
After a long-haul landing the taxi rank queue and app surge pricing are at their worst exactly when you are at yours. A pre-booked return fixes the price days in advance, guarantees an MPV if you need one for the cases, and removes the one variable — will there be a car? — that matters most at 11pm with children asleep on the trolley.
The whole decision on one table:
| Verdict | Mode | Time / cost |
|---|---|---|
| Cheapest | 724 Green Line bus | ~2.5–3.5 hrs; lowest fare (verify with Arriva) |
| Best value | Train + Elizabeth line | ~1h26+, from ~£22 advance, 1 change |
| Budget with a booked seat | National Express coach | from ~£30, limited departures |
| Fastest door-to-door / easiest with luggage | Fixed-fare taxi | ~1h–1h20, £75.50 saloon, whole car, any terminal |
Solo, flexible and budget-first: take the 724 or the train — honestly. Two people with cases: the train still edges it on cost if the interchange doesn't bother you. Three or more travellers, a family with a buggy, a T4 flight, or anything before 05:00 or after 23:00: one fixed taxi fare beats a stack of tickets and solves the parts of the journey the timetables can't.
Your Harlow pickup address (or arrival terminal for a return);
Heathrow terminal and, for pickups, your flight number;
Date, time, passenger count, luggage and any child seats.
Book online in about a minute or call +44 20 3617 7825 — the same number answers around the clock. You receive written confirmation of the fixed price immediately and your driver's details before travel. Pay by card, cash or corporate account; Templefields and Pinnacles businesses can set up monthly invoicing with VAT receipts and traveller-level reporting.
Straight answers to the questions Harlow travellers actually ask:
Q:How far is Harlow from Heathrow and how long does the drive take?
A:About 40 miles via the A414, M11 (Junction 7) and M25 (Junction 27). Allow 1 hour to 1 hour 20 off-peak, and up to 1 hour 40 or two hours in the weekday peaks — traffic, not distance, sets the time.
Q:Is there a direct train from Harlow Town to Heathrow?
A:No. Take Greater Anglia from Harlow Town to Liverpool Street (or change at Stratford), then the Elizabeth line to the terminals — around 1h26 or more in total with one change. First train roughly 03:44, last around 23:47 (verify current times).
Q:How long does the 724 bus actually take, and which terminals does it stop at?
A:The 724 is direct but orbital, looping via Ware, Hertford, Welwyn Garden City, St Albans, Watford and Uxbridge — roughly 2.5 to 3.5 hours on board. It serves Heathrow Central Bus Station (T2/T3) and Terminal 5 only; Terminal 4 needs an onward transfer.
Q:How much is the 724 bus fare from Harlow to Heathrow?
A:It is the cheapest way overall; singles vary by ticket type, so check current fares with Arriva or Intalink before travelling (verify). Weigh the saving against roughly three hours aboard versus the ~£22 advance train doing it in half the time.
Q:How much is a taxi from Harlow to Heathrow?
A:Our fixed fares start at £75.50 for a saloon, agreed at booking, valid for any terminal, with no surge pricing — estates, MPVs, executive cars and minibuses are priced on the same rate card above. Ignore the £170–£210 machine estimates on aggregator sites.
Q:What's the cheapest way from Harlow to Heathrow?
A:The 724 bus — if you have three-plus hours spare. The ~£22 advance train is the value pick at about 1h26. A fixed-fare taxi wins for three or more travellers, heavy luggage, Terminal 4 and early or late flights, where one car fare replaces several tickets.
Q:Isn't Stansted closer — why would I use Heathrow?
A:Stansted is far closer — roughly 12–15 miles up the M11 — and for short-haul Europe it is usually the smarter airport from Harlow. Heathrow earns the 40-mile run for long-haul networks and Star Alliance, Oneworld and SkyTeam hubs. We serve both, so our advice is neutral.
Q:Can you pick up from Old Harlow, Church Langley or Templefields?
A:Yes — every CM17–CM20 address: Old Harlow, Church Langley, Newhall, Potter Street, Bush Fair, Staple Tye, the town centre and Harvey Centre, Templefields, Pinnacles and Princess Alexandra Hospital, plus surrounding villages such as Roydon and Sheering.
Q:Do you cover very early or late flights?
A:Yes — we operate 24/7 with flight tracking and meet & greet, at the same fixed price at 3am as 3pm. That matters before the 03:44 first train and after the last one, when neither the railway nor the 724 fits your check-in or landing time.
Q:How do meet & greet and flight tracking work on the Heathrow return?
A:We track your flight number, so delays move the pickup automatically; your driver waits in arrivals with a name board and 45–60 minutes' free waiting is included from touchdown. Book the Heathrow to Harlow return alongside the outbound for one confirmation covering both.
One fixed fare from your Harlow door to any Heathrow terminal — booked in a minute, confirmed instantly. Tap "Get my fixed Harlow → Heathrow fare" for an instant quote, or call +44 20 3617 7825 — the line early-flight travellers use at 2am. TfL-licensed, no surge, saloon from £75.50, all terminals T2–T5, meet & greet and flight tracking included, rated 4.9/5 from 247 verified reviews across 200,000+ bookings. Flying home? Pre-book the Heathrow to Harlow return at the same time and land with everything already arranged.
Serving Harlow (CM17, CM18, CM19, CM20) and the surrounding Essex villages, including Old Harlow, Harlow Mill, Church Langley, Newhall, Potter Street, Bush Fair, Staple Tye, the Harvey Centre, Templefields, Pinnacles, Princess Alexandra Hospital, The Gibberd Garden, Roydon and Sheering, and all Heathrow terminals, 24/7. Rail, 724 bus and coach fares/times are third-party figures — verify current before travel.
Last reviewed: July 2026 · Stansted Airport Taxi editorial team · Operated by QMH Technologies Ltd (Co. No. 13506378).
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