Travel Information
Compare train and bus for Swansea to London
Omio recommends booking the train as it is the most popular option from Swansea to London among Omio's users. If you are prioritising price, take the bus, with an average ticket price of $21 For those with little time, consider booking a train, which has an average total journey time of 3h 29m. If you are seeking to minimise your carbon footprint, the train is your best option, with estimated CO2 emissions of 0.1 - 0.2kg. Average ticket prices depend on the travel mode: a bus costs an average of $21, while a train costs an average of $94.
Distance: 164 miles (264 km)
Compare train with
Most popular Train | Bus | Driving |
|---|---|---|
$94 Average price | $21 Average price Cheapest | $87 Average price (fuel + tolls) |
3h 29m Average total duration Fastest 2h 59m Onboard + 30m Additional time* | 5h 44m Average total duration 5h 14m Onboard + 30m Additional time* | 3h 48m Average total duration (door-to-door) |
0.1 - 0.2kg CO2 emissions Lowest | 0.3 - 0.7kg CO2 emissions | - CO2 emissions |
![]() Most popular train company | ![]() Most popular bus company | Your own car or car rental |
Direct Options | Direct Options | Direct Options |
Additional time: Average total travel duration to departure point, security checks and transfers.
This is compared to other travel options from Swansea to London:
A bus is $73 (€59) less than a train for this route with tickets for a train from Swansea to London costing on average $94 (€76).
Other travel options to London take longer:
Bus takes on average 5h 44m.
You'll arrive about 49m sooner (2h 59m by train vs 3h 48m by car). Tickets start at around $94 (€76) compared to roughly $87 (€71) in fuel and tolls — so you're paying a bit more, but getting hours of your day back, a city-centre arrival, and the freedom to work or relax instead of drive.
Driving makes more sense if you're travelling as a group (where fuel costs split several ways), want to stop along the way, or need a car once you arrive.
Travel optionsfrom Swansea to London
How to get from Swansea to London by train, bus or flight.
Our recommendation
The best way to travel from Swansea to London is by taking a bus because it’s the best combination of price and speed.
FlixBus10:50 AM5h05Swansea, University Bay Campus3:55 PMLondon, Hammersmith Broadway (Irish Cultural Centre)$221One-way0 transfers
Cheapest
FlixBus10:50 AM5h05Swansea, University Bay Campus3:55 PMLondon, Hammersmith Broadway (Irish Cultural Centre)$221One-way0 transfers
Fastest
W351614:59 AM2h45Swansea station (SWA)7:44 AMLondon Paddington (PAD)$911One-way0 transfers
Other options
W352026:23 PM2h47Swansea station (SWA)9:10 PMLondon Paddington (PAD)$911One-way0 transfers
G150518:23 PM2h48Swansea station (SWA)11:11 PMLondon Paddington (PAD)$911One-way0 transfers
G1504611:22 AM2h50Swansea station (SWA)2:12 PMLondon Paddington (PAD)$911One-way0 transfers
FlixBus10:40 AM5h15Swansea, Quadrant Bus Station3:55 PMLondon, Hammersmith Broadway (Irish Cultural Centre)$221One-way0 transfers
FlixBus10:50 AM5h40Swansea, University Bay Campus4:30 PMLondon, Victoria Coach Station$221One-way0 transfers
FlixBus10:40 AM5h50Swansea, Quadrant Bus Station4:30 PMLondon, Victoria Coach Station$221One-way0 transfers
Find all the dates and times for this journey by train, bus, flight, and ferry .
Compare prices and tickets Prices for trains, buses and flights
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FAQs: Travel from Swansea to London
Travel to London easily. Whether you want fast, cheap or something entirely different, our travel experts have collected everything you need to know so you can find the best option from Swansea to London.

This is compared to other travel options from Swansea to London:
A bus is $73 (€59) less than a train for this route with tickets for a train from Swansea to London costing on average $94 (€76).
Other travel options to London take longer:
Bus takes on average 5h 44m.
- Around 40 buses per day.
- Around 13 trains per day.
However, we recommend checking specific travel dates for your route between Swansea and London as scheduled services by train and bus can vary by season or day of the week.
- Trains mostly depart from Swansea station (SWA) and arrive in Heathrow Terminal 5 (HWV).
- Buses mostly depart from Swansea, University Bay Campus and arrive in London, Victoria Coach Station.
- Travel with National Express, FlixBus, Megabus to go to London by bus.
- Travel with Great Western Railway, Great Western Railway (GWR) to go to London by train.
- 24 direct buses per day with National Express, FlixBus, Megabus.
- 10 direct trains per day with Great Western Railway, Great Western Railway (GWR).
Travelling from Swansea to London: related information
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