- Must visit
The British Museum
Vast world museum with the Rosetta Stone, Parthenon sculptures and global antiquities. Essential for history lovers.
Cheapest price on Sep 10
$91
Average ticket price on Sep 10
$115
Fastest journey on Sep 10
2 h 45 m
Average journey duration on Sep 10
2 h 47 m
Trains on Sep 10
30
Distance
264 km
The best way to find a cheap train ticket from Swansea to London is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Swansea to London will cost around $115 if you buy it on the day, but the cheapest tickets can be found for only $91.
On Thu, Sep 10, we found 30 trains from Swansea to London, including 20 direct services.
On Thu, Sep 10 the direct trains cover the 264 km distance in an average of 2 h 47 m but if you time it right, some trains will get you there in just 2 h 45 m .
On Thu, Sep 10 the slowest trains will take 2 h 48 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.
W35161
W35434
W35198
G15051
W35437
W35161
W35167
G15040
W35188
G15045Omio 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 $32 For those with little time, consider booking a train, which has an average total journey time of 3h 39m. 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 $32, while a train costs an average of $105.
Distance: 164 miles (264 km)
Most popular Train | Bus | Driving |
|---|---|---|
$105 Average price | $32 Average price Cheapest | $88 Average price (fuel + tolls) |
3h 39m Average total duration Fastest 3h 9m Onboard + 30m Additional time* | 5h 34m Average total duration 5h 4m 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 $72 less than a train for this route with tickets for a train from Swansea to London costing on average $105.
Other travel options to London take longer:
Bus takes on average 5h 4m.
You'll arrive about 39m sooner (3h 9m by train vs 3h 48m by car). Tickets start at around $105 compared to roughly $88 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.
Direct services run with Great Western Railway, Great Western Railway (GWR).
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.
The table below shows live departures for Swansea to London trains for tomorrow, Thursday, September 10. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
AW779900+ W35431 | 12:15 AM Swansea station (SWA) | 7h01 | 7:16 AM London Paddington (PAD) | 1 transfer | |
W35161 | 4:59 AM Swansea station (SWA) | 2h45 | 7:44 AM London Paddington (PAD) | 0 transfersDirect | |
G15040 | 5:29 AM Swansea station (SWA) | 2h47 | 8:16 AM London Paddington (PAD) | 0 transfersDirect | |
G15040 · G15001+ L79353 | 5:29 AM Swansea station (SWA) | 4h51 | 10:20 AM London Waterloo (WAT) | 2 transfers | |
W35166 | 5:57 AM Swansea station (SWA) | 2h54 | 8:51 AM London Paddington (PAD) | 0 transfersDirect | |
W35167 | 6:26 AM Swansea station (SWA) | 2h46 | 9:12 AM London Paddington (PAD) | 0 transfersDirect | |
W35167 · G15003+ L79364 | 6:26 AM Swansea station (SWA) | 4h50 | 11:16 AM London Waterloo (WAT) | 2 transfers | |
W35169 | 6:54 AM Swansea station (SWA) | 2h50 | 9:44 AM London Paddington (PAD) | 0 transfersDirect | |
G15041 | 7:18 AM Swansea station (SWA) | 2h56 | 10:14 AM London Paddington (PAD) | 0 transfersDirect | |
G15041 · W34974+ L79375 | 7:18 AM Swansea station (SWA) | 4h58 | 12:16 PM London Waterloo (WAT) | 2 transfers | |
G15042 | 7:44 AM Swansea station (SWA) | 2h52 | 10:36 AM London Paddington (PAD) | 0 transfersDirect | |
W35432 | 8:23 AM Swansea station (SWA) | 2h57 | 11:20 AM London Paddington (PAD) | 0 transfersDirect | |
G15043+ G39174 | Delayed 8:49 AM 8:28 AMSwansea station (SWA) | 3h18 | 11:46 AM London Paddington (PAD) | 1 transfer | |
W35178 | 9:22 AM Swansea station (SWA) | 2h49 | 12:11 PM London Paddington (PAD) | 0 transfersDirect | |
G15044+ G39180 | 9:27 AM Swansea station (SWA) | 3h22 | 12:49 PM London Paddington (PAD) | 1 transfer | |
G15045 | 10:22 AM Swansea station (SWA) | 2h48 | 1:10 PM London Paddington (PAD) | 0 transfersDirect | |
G15046 | 11:22 AM Swansea station (SWA) | 2h50 | 2:12 PM London Paddington (PAD) | 0 transfersDirect | |
G39193+ G15047 | 11:27 AM Swansea station (SWA) | 3h17 | 2:44 PM London Paddington (PAD) | 1 transfer | |
W35434 | 12:22 PM Swansea station (SWA) | 2h50 | 3:12 PM London Paddington (PAD) | 0 transfersDirect | |
W35188 | 1:22 PM Swansea station (SWA) | 2h47 | 4:09 PM London Paddington (PAD) | 0 transfersDirect | |
G38294+ G15048 | 1:52 PM Swansea station (SWA) | 2h49 | 4:41 PM London Paddington (PAD) | 1 transfer | |
G15049 | 2:22 PM Swansea station (SWA) | 2h50 | 5:12 PM London Paddington (PAD) | 0 transfersDirect | |
W35435 | 3:22 PM Swansea station (SWA) | 2h53 | 6:15 PM London Paddington (PAD) | 0 transfersDirect | |
W35196+ G39217 | 3:27 PM Swansea station (SWA) | 3h14 | 6:41 PM London Paddington (PAD) | 1 transfer | |
W35198 | 4:22 PM Swansea station (SWA) | 2h54 | 7:16 PM London Paddington (PAD) | 0 transfersDirect | |
W35200+ G39231 | 4:27 PM Swansea station (SWA) | 3h17 | 7:44 PM London Paddington (PAD) | 1 transfer | |
G15050 | 5:22 PM Swansea station (SWA) | 2h52 | 8:14 PM London Paddington (PAD) | 0 transfersDirect | |
W35202 | 6:23 PM Swansea station (SWA) | 2h49 | 9:12 PM London Paddington (PAD) | 0 transfersDirect | |
W35437 | 7:19 PM Swansea station (SWA) | 2h50 | 10:09 PM London Paddington (PAD) | 0 transfersDirect | |
G15051 | 8:23 PM Swansea station (SWA) | 2h48 | 11:11 PM London Paddington (PAD) | 0 transfersDirect | |
Find all the dates and times for this journey
Compare train and bus prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
Trains from Swansea to London run on average 19 times per day, taking around 3h 9m. Cheap train tickets for this journey start at $49 but you can travel from only $10 by bus.
There are 14 trains per day. The earliest train runs at 00:07, the last at 22:58. The fastest train covers the 164 miles (264 km) distance in 2h 38m.
Distance 164 miles (264 km) |
Average train duration 3h 9m |
Cheapest ticket price $49 |
Trains per day 19 |
Direct trains 14 |
Fastest train 2h 38m |
First train 12:07 AM |
Last train 10:58 PM |
Cheapest Month Nov |
Cheapest Day Tue |
High Season Apr - Jun |
Low Season Jan - Mar |
Busiest Day Wed |
Least Busy Day Sun |
Best time to book 42 days |
Discover the best of London — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect London trip today.
Vast world museum with the Rosetta Stone, Parthenon sculptures and global antiquities. Essential for history lovers.
Leading art museum on Trafalgar Square with masterpieces from Van Gogh, Turner and da Vinci. Free and internationally renowned.
Grand museum of art, design and performance with fashion, sculpture and decorative arts collections in South Kensington.
Lively riverside stretch linking major landmarks, markets and cultural venues. Ideal for walking, views and people-watching.
Large royal park with the Serpentine, rose gardens and broad lawns. Excellent for relaxing, boating and central green space.
Historic Greenwich riverside district with maritime heritage, market streets and hilltop views near major cultural landmarks.
Classic English fish fried in batter with chips. A London staple tied to the city’s working-class food culture and best eaten fresh with salt and vinegar.
Slow-cooked beef, carrots, onions and herbs under a suet pastry lid. A comforting British pie long associated with London pubs and Sunday meals.
A full cooked breakfast with eggs, sausages, bacon, beans, mushrooms and toast. A traditional morning meal served across London cafes and hotels.
Celebrated fine dining restaurant by Heston Blumenthal showcasing historic British dishes in an elegant, high-end Knightsbridge room.
Well-known pub serving excellent pies, ales and British mains in a relaxed, polished gastropub setting near Victoria Park.
Historic Covent Garden restaurant famous for classic British pies in a lively, traditional setting popular with locals and visitors.
Very costly by European standards. Hotels, dining, and transit are pricier than in most UK and EU city breaks, especially in central areas.
Restaurants often add 12.5% service; if not, tip 10-12%. Taxis: round up or 10%. Cafes: optional small change or none.
Official public transport app
London Waterloo -> Westminster Station
Find answers to the most common questions about traveling from Swansea to London by train. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest train, the cheapest option, or tips for making the most of your visit at London, this guide helps you travel smarter and with confidence.

Most Swansea to London trains use the Swansea to Heathrow Terminal 5 station pair, with some services arriving at Heathrow Terminals 2 & 3. Use this guide to compare Swansea and London train stations on this route, check city-centre transport, alongside checking practicalities like train station facilities and services.
Swansea has practical services for this route, including Shopping, Parking, Dining, ATM, Accessibility, WC, Hotel, Lost and Found Office, Ticket Office, Bike Parking, and Bike Rental.
Food and drink options are available at Swansea.
ATMs are available at Swansea.
Ticket office support is available at Swansea.
Lost and found is available at the station.
Available at Swansea: Parking, WC.
Available at Swansea: Bike Parking, Bike Rental.
Accessibility facilities are available at Swansea: Staff help available: Yes, Step free access coverage: Yes, Step free access note: Category A. Step free access to all platforms, Accessible car park equipment: Wheelchair users can use car park equipment at this station unaided, Accessible public telephones: on concourse, Accessible ticket machines: There are accessible ticket machines at this station, Accessible toilets: Yes, Ramp for train access: Yes, Wheelchairs available: Yes, Impaired mobility set down / pick up points available: No.
Heathrow Terminal 5 is 25 km from London city centre. Public transport options include:
Heathrow Terminal 5 has practical services for this route, including Parking, Accessibility, Lounge, Lost and Found Office, and Ticket Office.
Ticket office support is available at Heathrow Terminal 5.
Lost and found is available at the station.
Available at Heathrow Terminal 5: Parking.
Accessibility facilities are available at Heathrow Terminal 5: Staff help available: Yes, Step free access coverage: Yes, Step free access note: Level access to platforms, lifts to airport facilities. Ticket Office is step free. Wheelchair users can board trains with ease as the platforms are level with the trains, Accessible ticket machines: There are accessible ticket machines at this station, Ramp for train access: Yes, Wheelchairs available: Yes, Impaired mobility set down / pick up points available: No.
Heathrow Terminals 2 & 3 is 23 km from London city centre. Public transport options include:
Heathrow Terminals 2 & 3 has practical services for this route, including Wifi, Shopping, Parking, ATM, Accessibility, WC, Lost and Found Office, and Ticket Office.
Wi-Fi is available at Heathrow Terminals 2 & 3. ATMs are available at Heathrow Terminals 2 & 3.
Ticket office support is available at Heathrow Terminals 2 & 3.
Lost and found is available at the station.
Available at Heathrow Terminals 2 & 3: Parking, WC.
Accessibility facilities are available at Heathrow Terminals 2 & 3: Staff help available: Yes, Step free access coverage: Yes, Step free access note: Level access to platforms, lifts to airport facilities. Ticket Office is step free. Wheelchair users can board trains with ease as the platforms are level with the trains, Accessible ticket machines: There are accessible ticket machines at this station, Accessible toilets: Yes, Ramp for train access: No, Wheelchairs available: Yes, Impaired mobility set down / pick up points available: No.
Heathrow Terminal 4 is 22 km from London city centre. Public transport options include:
Heathrow Terminal 4 has practical services for this route, including Wifi, Shopping, Parking, ATM, Accessibility, WC, Lost and Found Office, and Ticket Office.
Wi-Fi is available at Heathrow Terminal 4. ATMs are available at Heathrow Terminal 4.
Ticket office support is available at Heathrow Terminal 4.
Lost and found is available at the station.
Available at Heathrow Terminal 4: Parking, WC.
Accessibility facilities are available at Heathrow Terminal 4: Staff help available: Yes, Step free access coverage: Yes, Step free access note: Level access to platforms, lifts to airport facilities. Ticket Office is step free. Wheelchair users can board trains with ease as the platforms are level with the trains, Accessible ticket machines: There are accessible ticket machines at this station, Accessible toilets: Yes, Ramp for train access: No, Wheelchairs available: Yes, Impaired mobility set down / pick up points available: No.
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