What is the travel distance from Heathrow to Southwick?

The distance between Heathrow and Southwick is around 72 km (45 miles).

Bus from Heathrow to Southwick starting at $18 | Compare & Save up to 60%

Previously seen trips

Next departures for Heathrow to Southwick on November 17
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	7:55pm	Heathrow T2 & T3	2h 21m	10:16pm	Southwick (West Sussex) Bus Stop (opp The Pilot)	No tags
Bus	9:25pm	Heathrow T2 & T3	2h 16m	11:41pm	Southwick (West Sussex) Bus Stop (opp The Pilot)	No tags
Bus	10:40pm	Heathrow T2 & T3	2h 16m	12:56am	Southwick (West Sussex) Bus Stop (opp The Pilot)	No tags
Bus	11:30pm	Heathrow T2 & T3	3h 26m	2:56am	Southwick (West Sussex) Bus Stop (opp The Pilot)	No tags
Bus	11:59pm	Heathrow T2 & T3	3h 47m	3:46am	Southwick (West Sussex) Bus Stop (opp The Pilot)	No tags

Get from Heathrow to Southwick

This route is served by bus only

The journey takes about 2 hours 16 minutes, and with fares starting at just $36, it presents an excellent value for a comfortable ride.

7bus per day

2h 16mAverage Duration

73 kmDistance

2kgCO₂ emissions

Compare bus companies

National Express

4/529,712 reviews

Staff4.7

Timeliness4

Cleanliness4.7

Wifi3.4

Based on 29712 reviews, the company was rated 4.2 stars on Busbud. Travellers were especially satisfied with the ticket access and the staff but often complained with the WiFi. National Express ticket prices on this trip start at $36

GB Bus Companies: FlixBus, BlaBlaCar Bus, ALSA, Greyhound, Intercape, Trenitalia, Sindbad

Frequently asked questions about travelling from Heathrow to Southwick by bus

What is the travel distance from Heathrow to Southwick?
The distance between Heathrow and Southwick is around 72 km (45 miles).

Find cheapest prices for buses

Price is for a one-way ticket for one passenger and based on past searches.

Best price found

11-15

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11-16

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Today

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11-18

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11-19

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11-20

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11-21

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11-22

$18

The cheapest trip from Heathrow to Southwick was searched and found on Nov 22, 2025 with a price of $18

To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Heathrow to Southwick, as early as possible.

You can expect to pay from $18 to $63 for a bus ticket from Heathrow to Southwick based on the last 2 days. You can expect to find the cheapest price for the trip at $18 which is on 2025-11-22.