If you’re flying from Heathrow Airport and travelling from Slough, you’re in luck — it’s one of the shortest and most convenient airport routes in Berkshire.
- But how much should you actually pay?
- How long does it take?
- And is booking a taxi really better than the train?
Let’s break everything down in a simple, practical way, like I’d explain it to a friend heading to the airport tomorrow.
Slough to Heathrow Taxi Fare – How Much Does It Cost?
The average Heathrow taxi fare from Slough ranges between:
- £25–£35 for a standard saloon car (daytime)
- £35–£45 for larger vehicles (MPV/estate)
- Extra for late-night or early-morning pickups
Prices depend on:
- Terminal drop-off point
- Time of day
- Traffic conditions
- Vehicle size
- Whether you choose fixed fare or metered pricing
1. Average Daytime Taxi Fare
If you’re travelling between 6am and 10pm, expect a fare around £25–£35.
The journey is straightforward via the M4 motorway route. In normal traffic conditions, drivers won’t need to detour, keeping costs predictable. Some companies include the Heathrow terminal drop off charge, while others add it separately, always confirm before booking.
2. Night Taxi Fare from Slough to Heathrow
Travelling after 10pm? Prices usually increase by 10–25%.
Why?
- Reduced driver availability
- Night surcharges
- Higher airport pickup fee policies for late arrivals
A Slough to Heathrow taxi price at night may range between £35–£45.
Pre-booking helps avoid inflated last-minute rates.
3. Fixed Fare vs Metered Fare – Which Is Better?
Here’s the simple difference:
Fixed Fare Heathrow Taxi
- Price agreed in advance
- No surprises
- Ideal for airport transfers
Metered Fare
- Price depends on traffic
- Can increase if delayed
- Less predictable
According to guidance from Transport for London, licensed taxis must clearly display fare structures. Still, fixed fares are generally safer for airport travel.
Distance & Travel Time from Slough to Heathrow
The distance from central Slough to Heathrow Airport is:
- 8–12 miles (depending on terminal)
- 15–30 minutes journey time
It’s one of the shortest airport transfers in the region.
Fastest Motorway Route (M4)
Most drivers take:
- M4 Eastbound
- Exit at Junction 4
- Follow signs to your Heathrow terminal
Traffic conditions can slow things during:
- 7am–9am rush hour
- 4pm–6:30pm evening peak
- School holidays
If you’re flying during busy hours, leave at least 45 minutes buffer time.
Terminal-Specific Drop Off Points
Each Heathrow terminal has its own drop-off system:
- Terminal 2 & 3 – Central Terminal Area
- Terminal 4 – Separate access road
- Terminal 5 – Dedicated drop-off lanes
Heathrow applies a drop-off charge per visit. You can verify current policies directly on the Heathrow Airport website.
Cheapest Taxi from Slough to Heathrow – Money Saving Tips
If you’re searching for the cheapest taxi Slough Heathrow, here are practical ways to save:
1. Pre-Book Your Taxi
Booking 12–24 hours in advance often guarantees:
- Lower fixed pricing
- Vehicle availability
- No surge pricing
Pre book taxi Slough Heathrow searches are increasing because travellers want certainty.
2. Travel Off-Peak
If possible:
- Avoid rush hour
- Avoid Friday evenings
- Avoid bank holiday weekends
Traffic delays can indirectly increase costs.
3. Choose the Right Vehicle
Don’t book an MPV if you’re travelling alone. Standard saloon cars are cheaper and perfectly suitable for most airport transfers.
4. Compare Airport Transfer Options
Not all Slough airport transfer services price the same way. Check:
- Do they include airport pickup fee?
- Do they include waiting time?
- Is the fare fully fixed?
Slough to Heathrow Airport Transfer Options Compared
You technically have four ways to travel:
- Taxi
- Train
- Bus
- Ride-hailing apps
Let’s compare them simply.
Taxi vs Train from Slough to Heathrow
Trains from Slough usually require a change or connection.
According to National Rail, journeys can take 30–50 minutes depending on timing.
Taxi Advantages:
- Door-to-door convenience
- No luggage dragging
- No platform changes
- Faster during off-peak
Train Advantages:
- Slightly cheaper if travelling alone
- No road traffic risk
For families or early morning flights, taxis are usually easier.
Taxi vs Ride-Hailing Apps
Apps may look cheaper upfront, but:
- Surge pricing can apply
- Drivers sometimes cancel airport trips
- Airport pickup fees may be added later
Pre-booked taxis usually provide:
- Confirmed driver
- Fixed fare
- Professional airport service
If reliability matters, traditional airport taxis often win.
Step-by-Step: How to Book a Slough to Heathrow Taxi
Here’s the simplest booking process:
- Choose a licensed operator
- Enter pickup postcode
- Select terminal
- Choose vehicle type
- Confirm fixed fare
- Receive booking confirmation
That’s it.
Try to book at least 24 hours before departure, especially during summer or holidays.
When Should You Book Your Slough to Heathrow Taxi?
Timing matters more than people think.
Book Early If:
- Travelling during school holidays
- Flying before 7am
- Flying on a weekend
- Travelling with large luggage
Book Same Day If:
- Travelling off-peak
- Mid-week daytime
- Light luggage
For peace of mind, earlier is always better.
Is a Slough to Heathrow Taxi Worth It?
For such a short distance, absolutely.
You get:
- Predictable pricing
- Minimal travel time
- No parking stress
- No train transfers
- Comfortable airport drop-off
When you compare convenience vs cost, taxis offer excellent value — especially for families or business travellers.
FAQs – Slough to Heathrow Taxi
1. How much is a taxi from Slough to Heathrow?
A taxi from Slough to Heathrow typically costs between £25 and £45, depending on time of travel, vehicle type, and whether you choose a fixed fare. Night travel may cost slightly more due to surcharges and reduced driver availability.
2. How long does a taxi take from Slough to Heathrow?
The journey usually takes 15–30 minutes in normal traffic conditions. During rush hour, allow up to 45 minutes. The motorway route via the M4 is generally the fastest option.
3. Is there an airport pickup fee at Heathrow?
Yes, Heathrow applies a drop-off and pickup charge per visit. These fees sometimes are included in fixed fares, but not always. Always confirm with your taxi provider before booking.
4. What is the cheapest way to travel from Slough to Heathrow?
The train may be slightly cheaper for solo travellers. However, taxis become more cost-effective for families or groups due to shared costs and door-to-door convenience.
5. Can I pre-book a taxi from Slough to Heathrow?
Yes, and it’s recommended. Pre-booking secures a fixed fare, guarantees driver availability, and helps avoid surge pricing or last-minute delays.
Final Thoughts
A Slough to Heathrow taxi is one of the fastest and most convenient airport transfers in the area. With short travel time, manageable costs, and fixed fare options available, it’s often the smartest choice, especially when you value reliability and comfort.
If you’re travelling soon, consider booking early and locking in your fare today. Safe travels!