Quick Answer
Best overall: Piccadilly Line (London Underground) — direct from Leicester Square station to Heathrow Terminals 2&3 in 50–60 minutes, costing just £5.50–£7.00 (USD $7–$9) with an Oyster card. No changes, no hassle.
Fastest door-to-door: Elizabeth Line — walk 10 min to Tottenham Court Road station, then 35–40 min to Heathrow. Total ~45–50 min, fare £10.80–£12.80 (USD $13.70–$16.30). More comfortable and modern.
Cheapest: Piccadilly Line (as above) or National Express coach from Victoria Coach Station from £6.00 (USD $7.60) — but requires a short Tube ride to Victoria first.
Most convenient for groups/late night: Taxi or private transfer — £50–£85 (USD $63–$108), 40–60 min, door-to-door.
🚇 Train & Underground: Three Rail Options Compared
London has three distinct rail services linking the West End to Heathrow. Each suits a different budget, time requirement, and comfort level. Below we break down every option from Leicester Square.
1. Piccadilly Line (London Underground) — Direct & Budget-Friendly
Route: Leicester Square → Heathrow Terminals 2&3 (direct). For Terminal 4, change at Hatton Cross; for Terminal 5, stay on to the end of the line.
Time: 50–60 minutes to Terminals 2&3. Add 5–8 min for Terminal 4/5.
Cost: Peak (06:30–09:30 & 16:00–19:00 Mon–Fri): £7.00 (USD $8.90); Off-peak: £5.50 (USD $7.00) with Oyster/contactless. Single paper ticket: £8.00 (USD $10.20).
Frequency: Every 5–8 minutes during the day, every 10–15 min evenings. 24-hour service on Friday & Saturday nights (Night Tube).
Luggage: No dedicated luggage racks — but spacious enough for suitcases if you avoid the absolute peak crush (08:00–09:00).
Best for: Solo travellers, budget-conscious visitors, anyone with moderate luggage.
2. Elizabeth Line (TfL Rail) — Fast, Modern & Comfortable
Route: Walk 10 minutes from Leicester Square to Tottenham Court Road station (or take one stop on the Northern Line). Board the Elizabeth Line westbound to Heathrow.
Time: 35–40 minutes from Tottenham Court Road to Heathrow Terminals 2&3. Total door-to-door: 45–50 minutes including the walk.
Cost: Peak: £12.80 (USD $16.30); Off-peak: £10.80 (USD $13.70) with Oyster/contactless. Paper ticket: £14.50 (USD $18.40).
Frequency: Every 5–10 minutes. First train ~05:30, last ~23:00 (check TfL for exact times).
Comfort: Air-conditioned, dedicated luggage racks, wide aisles, USB charging points. Far more spacious than the Tube.
Best for: Travellers who prioritise comfort and speed, those with large suitcases, business travellers.
3. Heathrow Express — The Fastest (But Premium Priced)
Route: From Leicester Square take the Tube (Piccadilly or Northern line) to Paddington (15 min). Then board the Heathrow Express — non-stop to Heathrow Terminals 2&3 in 15 minutes.
Total door-to-door time: ~35–40 minutes (15 min Tube + 5 min transfer + 15 min Express + buffer).
Cost: Express single: £25.00 (USD $31.70) if booked online in advance; walk-up fare: £37.00 (USD $47.00). Plus Tube fare to Paddington: £3.00 (USD $3.80).
Frequency: Every 15 minutes. First train ~05:10, last ~23:25.
Luggage: Ample luggage racks, first-class seating option, onboard WiFi.
Best for: Business travellers on expense accounts, time-critical connections, those staying near Paddington.
Rail Options at a Glance
| Service | Door-to-Door Time | Cost (Oyster/Contactless) | Changes | Luggage Space | 24-Hour Service |
|---|---|---|---|---|---|
| Piccadilly Line | 50–60 min | £5.50–£7.00 (USD $7–$9) | 0 (direct to T2&3) | Limited | Fri & Sat night |
| Elizabeth Line | 45–50 min (incl. walk) | £10.80–£12.80 (USD $13.70–$16.30) | 0 (from Tottenham Court Road) | ✅ Excellent | ❌ No |
| Heathrow Express | 35–40 min (incl. Tube to Paddington) | £25–£37 + Tube fare (USD $32–$47 + $3.80) | 1 (change at Paddington) | ✅ Excellent | ❌ No |
Verdict: For most travellers, the Piccadilly Line offers the best balance of cost, convenience, and directness. If you value comfort and have the budget, the Elizabeth Line is the superior rail experience. The Heathrow Express only makes sense when time is critical and cost is secondary.
Source: Transport for London (TfL) — official fares and schedules | Heathrow Airport transport guide
✈️ Heathrow Airport: Terminals & Flight Connections
Heathrow has four active terminals: Terminal 2 (Star Alliance), Terminal 3 (Oneworld & some SkyTeam), Terminal 4 (SkyTeam & others), and Terminal 5 (British Airways & Iberia). Terminal 1 is closed. Your destination terminal depends on your airline — check your ticket before travelling.
Which terminal does my train go to?
- Piccadilly Line: Direct to Terminals 2&3 (one station). For T4, change at Hatton Cross. For T5, continue one stop.
- Elizabeth Line: Stops at Terminals 2&3, then T4 and T5 on alternating services. Check the departure board.
- Heathrow Express: Terminals 2&3 only — then free shuttle to T4 or T5.
Door-to-gate time: what to expect
From Leicester Square to your departure gate, add 30–45 minutes for check-in, security, and walking to the gate. So if you take the Piccadilly Line (50 min), plan at least 2 hours 15 minutes from your hotel to the gate. For the Elizabeth Line, about 2 hours. Always allow extra during peak travel times (6:00–9:00 and 16:00–19:00).
Domestic & UK flight connections
Heathrow serves popular domestic routes: British Airways flies to Manchester, Edinburgh, Glasgow, Aberdeen, Belfast City, and Newquay from Terminal 5. AccesRail also offers rail-air codeshare from Heathrow to several UK cities. If you're connecting to a domestic flight, you'll need to clear security again at Heathrow — allow 90 minutes minimum for connections.
Source: Heathrow Airport official terminal guide | British Airways domestic network
🚌 Bus & Coach: Budget & 24-Hour Options
Coaches are the cheapest motorised option, but require a short trip to the coach station first. They are reliable, comfortable, and often overlooked by tourists.
National Express Coach (Daytime)
Route: From Leicester Square take the Tube (Piccadilly or Victoria line) to Victoria Station (5–8 min). Then walk 5 min to Victoria Coach Station. Coaches run direct to Heathrow Terminals 2, 3, 4 & 5.
Total time: Tube 8 min + walk 5 min + wait 10 min + coach 40–50 min = ~65–75 min door-to-door.
Cost: From £6.00 (USD $7.60) if booked online in advance. Walk-up fare: £12.00–£15.00 (USD $15.20–$19.10). Children under 16 travel half price.
Frequency: Every 20–30 minutes, 05:30–22:00.
Luggage: Large luggage hold — no restrictions on suitcase size within reason. Two checked bags + one carry-on included.
Best for: Budget travellers, families with lots of luggage, those who prefer a seat with a view.
Night Bus N9 (24-Hour Service)
Route: The N9 starts from Aldwych (a 5-minute walk from Leicester Square) and serves Heathrow Terminals 2&3 and 5. It runs along the A4, stopping at all major junctions.
Time: ~65–75 minutes to Terminals 2&3, ~70–80 min to Terminal 5.
Cost: £1.75 (USD $2.20) with Oyster/contactless (bus cap). Incredibly cheap.
Frequency: Every 30 minutes, all night (00:00–05:00).
Comfort: Standard London double-decker bus — no toilet, no luggage racks. OK for one suitcase on your lap.
Best for: Late-night/early-morning departures when the Tube is closed, extreme budget travel.
Coach vs. Bus: Summary
| Service | Door-to-Door Time | Cost | Luggage | 24-Hour |
|---|---|---|---|---|
| National Express | 65–75 min | £6.00–£15.00 (USD $7.60–$19.10) | ✅ Large hold | ❌ (last ~22:00) |
| Night Bus N9 | 65–80 min | £1.75 (USD $2.20) | Limited | ✅ Yes |
Pro tip: Book National Express online at least 24 hours ahead for the lowest fares. The N9 is a genuine bargain but not suitable for large suitcases or very early-morning connections.
Source: National Express official site | TfL N9 night bus route
🚕 Taxi & Private Transfer: Premium Door-to-Door
For those who prioritise convenience, privacy, or have special requirements, a taxi or private car is the ultimate option. But it comes at a significant premium.
London Black Cab (Licensed Taxi)
- Time: 40–60 minutes depending on traffic (M4 or A4 route). Weekday mornings 07:00–09:00 can add 15–25 min.
- Cost: £55–£85 (USD $70–$108) — metered, includes all passengers and luggage. Credit cards accepted (with 10–15% surcharge sometimes).
- Booking: Hail on the street or book via Gett, Uber, or local minicab firms. Pre-booked fixed prices from £50 (USD $63).
- Luggage: Unlimited — black cabs are wheelchair-accessible and spacious.
Private Car / Minicab (Pre-booked)
- Cost: £40–£65 (USD $51–$83) for a standard saloon. Executive cars (Mercedes E-Class etc.): £70–£100 (USD $89–$127).
- Reliability: Pre-booked drivers track your flight — ideal for early-morning or late-night departures.
- Popular providers: Addison Lee, Wheely, Blacklane, local minicab firms.
When to choose a taxi over public transport
- Late night / early morning: Between 00:00 and 05:00 (except Friday/Saturday when the Night Tube runs).
- Heavy luggage: If you have more than two large suitcases or bulky sports equipment.
- Family with young children: No stairs, no changes, no stress.
- Business traveller: Claim on expenses, work en route, arrive fresh.
- Reduced mobility: Black cabs are wheelchair-accessible; minicabs can arrange accessible vehicles.
| Vehicle Type | Time | Cost Range | Best For |
|---|---|---|---|
| Black Cab | 40–60 min | £55–£85 (USD $70–$108) | On-demand, groups, accessibility |
| Private Minicab | 40–55 min | £40–£65 (USD $51–$83) | Pre-planned trips, value premium |
| Executive Car | 40–55 min | £70–£100 (USD $89–$127) | Business, special occasions |
Source: TfL Taxi & Private Hire guide | Addison Lee official rates
💰 Complete Cost & Time Comparison
Use the table below to make a quick side-by-side comparison of every transport method from Leicester Square to Heathrow. Best value and fastest options are highlighted.
| Transport Mode | Door-to-Door Time | Cost (Lowest – Highest) | Changes | Luggage Ease | 24-Hour? | Verdict |
|---|---|---|---|---|---|---|
| ⭐ Piccadilly Line | 50–60 min | £5.50–£7.00 (USD $7–$9) | 0 | Fair | Fri–Sat | Best Value |
| Elizabeth Line | 45–50 min | £10.80–£12.80 (USD $13.70–$16.30) | 0 | ✅ Excellent | ❌ | Fast + Comfortable |
| Heathrow Express | 35–40 min | £28–£40 (USD $35.50–$50.80) | 1 | ✅ Excellent | ❌ | Premium Speed |
| National Express | 65–75 min | £6.00–£15.00 (USD $7.60–$19.10) | 1 (to Victoria) | ✅ Excellent | ❌ | Cheapest Coach |
| Night Bus N9 | 65–80 min | £1.75 (USD $2.20) | 0 | Limited | ✅ Yes | Ultra-budget overnight |
| Taxi / Minicab | 40–60 min | £40–£85 (USD $51–$108) | 0 | ✅ Unlimited | ✅ Yes | Most Convenient |
Bottom line: The Piccadilly Line wins for budget and simplicity. The Elizabeth Line is the smart compromise between speed and price. If you're travelling after midnight, the N9 night bus is almost free, or a taxi is your reliable backup.
Source: Fares verified via TfL Fares & Payments and Heathrow transport page (accessed July 2025).
🧳 Traveler Tips & Insider Experience
After hundreds of journeys between the West End and Heathrow, here are the practical tips that guidebooks often miss.
🚇 1. The Piccadilly Line is direct — but watch the peak crush
Between 08:00–09:00 and 17:00–18:30, the Piccadilly Line is packed with commuters. If you have a large suitcase, you may struggle to find space. Either travel just outside these windows (10:00 is ideal) or use the Elizabeth Line instead.
🧳 2. Use Takkyubin (left luggage) if you're sightseeing first
If you want to explore Leicester Square or Covent Garden before heading to Heathrow, use a left luggage service like Excess Baggage at Leicester Square station or nearby hotels. Rates from £8.00 (USD $10.20) per bag for 24 hours. Or use Luggage Hero to find a local shop that stores bags for £6–£10.
🚉 3. Tottenham Court Road walk: know the shortcut
The walk from Leicester Square to Tottenham Court Road station takes 8–10 minutes via Charing Cross Road — it's flat, well-lit, and safe. Avoid taking the Northern Line one stop (it's only 2 minutes but involves stairs and a ticket). Walking is faster and easier with luggage.
📱 4. Always use contactless / Oyster — never buy a paper ticket
Oyster and contactless cards automatically cap your daily fare. A paper single from Leicester Square to Heathrow costs £8.00 (USD $10.20) — more expensive and you miss out on the cap. Tap in and out with the same card or device.
🕐 5. For early flights (before 08:00), stay near the airport
If your flight departs before 08:00, consider staying at a Heathrow airport hotel the night before. The first Piccadilly Line train from Leicester Square arrives at Heathrow around 05:50 — too late for a 07:00 flight. The N9 night bus is an option but tight. A taxi at 04:30 costs about £60 (USD $76).
⚠️ 6. Weekend engineering works: always check TfL
On some weekends, the Piccadilly Line or Elizabeth Line may be partially closed due to engineering works. Always check TfL status the day before you travel. Rail replacement buses operate but add 30–40 minutes.
🔁 7. Terminal transfers take longer than you think
If you arrive at Terminals 2&3 but need Terminal 4 or 5, the free shuttle train takes 10–15 minutes. The inter-terminal bus takes 20–30 minutes in traffic. Add this to your time budget.
Real traveller story: "I took the Piccadilly Line from Leicester Square to Heathrow Terminal 5 with two suitcases at 10:30 AM. It was direct, not too crowded, and took 55 minutes. Cost £5.50 on my Oyster card. Couldn't have been easier." — Sarah, London visitor (2024)
❓ Frequently Asked Questions
1. Is there a direct train from Leicester Square to Heathrow Airport?
Yes, the Piccadilly Line provides a direct service from Leicester Square station to Heathrow Terminals 2&3. No changes are needed. For Terminal 4, change at Hatton Cross; for Terminal 5, stay on one stop beyond Terminals 2&3. Journey time is approximately 50–60 minutes.
2. What is the cheapest way to get from Leicester Square to Heathrow?
The Piccadilly Line is the cheapest direct option at £5.50–£7.00 (USD $7–$9) with Oyster/contactless. The N9 night bus is even cheaper at £1.75 (USD $2.20) but only runs late night/early morning. National Express coach from Victoria starts from £6.00 (USD $7.60) if booked online.
3. How long does it take from Leicester Square to Heathrow by Tube?
The Piccadilly Line takes 50–60 minutes from Leicester Square to Heathrow Terminals 2&3. Allow an extra 5–8 minutes if you're going to Terminal 4 or Terminal 5. This is the door-to-door time if you board directly at Leicester Square.
4. Is the Heathrow Express worth it from Leicester Square?
Only if you value speed above cost. The Heathrow Express takes 15 minutes from Paddington, but you must first travel from Leicester Square to Paddington (15 min by Tube), making the total door-to-door time 35–40 minutes. The cost is £25–£37 (USD $32–$47) plus the Tube fare. For most travellers, the Elizabeth Line or Piccadilly Line offers better value.
5. Can I use an Oyster card from Leicester Square to Heathrow?
Yes, Oyster cards and contactless payment are accepted on the Piccadilly Line, Elizabeth Line, and all London Underground services to Heathrow. The fare is capped daily — you won't pay more than the daily cap (£13.50 / USD $17.10 for Zones 1–6). Heathrow Express and National Express require separate tickets.
6. How do I get from Leicester Square to Heathrow late at night?
On Fridays and Saturdays, the Piccadilly Line runs 24 hours (Night Tube). On other nights, the last Piccadilly train departs Leicester Square around 23:45. After that, the N9 night bus from Aldwych (5-min walk) runs every 30 minutes all night, taking ~70 minutes to Terminals 2&3 and 5. Taxis are available 24/7.
7. Which Heathrow terminal does the Piccadilly Line go to?
The Piccadilly Line directly serves Heathrow Terminals 2&3. For Terminal 4, change at Hatton Cross for a shuttle train. For Terminal 5, stay on the train for one additional stop after Terminals 2&3. All terminals are connected by free inter-terminal shuttles (15 min).
8. Should I take the Elizabeth Line or Piccadilly Line to Heathrow from Leicester Square?
Choose the Elizabeth Line if you prioritise comfort, speed, and have the budget — it's faster (35–40 min from Tottenham Court Road), air-conditioned, and has luggage racks. Choose the Piccadilly Line if you want the simplest direct route, the lowest cost, or are travelling with light luggage. Both are excellent — your choice depends on time vs. money.
Sources: TfL · Heathrow Airport · National Express · Heathrow Express