The cheapest and fastest trains from London Heathrow Airport to Cardiff Central (CDF)
Cheapest price
$98
Average price
$111
Fastest journey
3 h 5 m
Average duration
3 h 10 m
Trains per day
12
Distance
189 km
The best way to find a cheap train ticket from London Heathrow Airport to Cardiff Central (CDF) is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from London Heathrow Airport to Cardiff Central (CDF) will cost around $111 if you buy it on the day, but the cheapest tickets can be found for only $98.
It's difficult to get from London Heathrow Airport to Cardiff Central (CDF) without transferring at least once.
W34618+
F02813 · F031109:20 AM3h17Heathrow Terminal 5 (HWV)12:37 PMCardiff Central (CDF)$981One-way2 transfers
W34618+
F03110 · F028139:25 AM3h12Heathrow Terminals 2 & 3 (HXX)12:37 PMCardiff Central (CDF)$981One-way2 transfers
W10820+
F02968 · F03113+
W350658:42 AM3h44Heathrow Terminal 5 (HWV)12:26 PMCardiff Central (CDF)$991One-way4 transfers
F02968 · F03113+
W35065+
G011018:51 AM3h35Heathrow Terminals 2 & 3 (HXX)12:26 PMCardiff Central (CDF)$991One-way3 transfers
G14938+
F03116 · F028388:20 AM3h20Heathrow Terminal 5 (HWV)11:40 AMCardiff Central (CDF)$991One-way2 transfers
W10829+
W346189:32 AM3h05Heathrow Terminals 2 & 3 (HXX)12:37 PMCardiff Central (CDF)$1171One-way1 transfer
G14938+
W108178:32 AM3h08Heathrow Terminals 2 & 3 (HXX)11:40 AMCardiff Central (CDF)$1231One-way1 transfer
W34618+
W108299:27 AM3h10Heathrow Terminal 5 (HWV)12:37 PMCardiff Central (CDF)$1171One-way1 transfer
W34618+
F03110 · F028139:25 AM3h12Heathrow Terminals 2 & 3 (HXX)12:37 PMCardiff Central (CDF)$981One-way2 transfers
G14938+
W108178:27 AM3h13Heathrow Terminal 5 (HWV)11:40 AMCardiff Central (CDF)$1231One-way1 transfer
Travel Information
Compare bus, train, and ferry for London Heathrow Airport to Cardiff Central (CDF)
Omio recommends booking the train as it is the most popular option from London Heathrow Airport to Cardiff Central (CDF) among Omio's users. If you are prioritising price take the bus with prices starting from $12. For those with little time consider booking a ferry which can get you there in 42m. The ticket price range depends on the travel mode: a bus costs an average of $12, and a train costs an average of $65.
Distance: 117 miles (189 km)
Compare train with
Most popular Train | Bus | Ferry | Driving |
|---|---|---|---|
$107 Average price | $22 Average price Cheapest | $28 Average price | $68 Average price (fuel + tolls) |
2h 51m Average total duration 2h 21m Onboard + 30m Additional time* | 3h 53m Average total duration 3h 23m Onboard + 30m Additional time* | 1h 42m Average total duration Fastest 42m Onboard + 1h 0m Additional time* | 2h 33m Average total duration (door-to-door) |
Direct Options | Direct Options | Direct Options | Direct Options |
This is compared to other travel options from London Heathrow Airport to Cardiff Central (CDF):
A bus is $7 (€5) less than a ferry for this route with tickets for a ferry from London Heathrow Airport to Cardiff Central (CDF) costing on average $28 (€23).
A bus is $85 (€69) less than a train for this route with tickets for a train from London Heathrow Airport to Cardiff Central (CDF) costing on average $107 (€87).
Other travel options to Cardiff Central (CDF) take longer:
Train takes on average 2h 21m.
Bus takes on average 3h 23m.
You'll arrive about 12m sooner (2h 21m by train vs 2h 33m by car). Tickets start at around $107 (€87) compared to roughly $68 (€55) 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.
Live departures
London Heathrow Airport to Cardiff Central (CDF) train times
The table below shows live departures for London Heathrow Airport to Cardiff Central (CDF) trains for today, Sunday, May 24. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
C35316 · C37182+ C33025 · C48942 | 6:49 AM Heathrow Terminal 5 (HWV) | 5h05 | 11:54 AM Cardiff Central (CDF) | 4 transfers | |
W10801+ C35319 · C37182+ C33025 | 6:57 AM Heathrow Terminal 5 (HWV) | 4h57 | 11:54 AM Cardiff Central (CDF) | 5 transfers | |
C37901+ V80632 · GW105500 · V80665 | 7:33 AM Heathrow Terminal 4 (HAF) | 3h55 | 11:28 AM Cardiff Central (CDF) | 3 transfers | |
C37901 · C37194+ V80632 · GW105500 | 7:33 AM Heathrow Terminal 4 (HAF) | 3h55 | 11:28 AM Cardiff Central (CDF) | 4 transfers | |
W10810+ V80632 · GW105500 · V80665 | 7:42 AM Heathrow Terminal 5 (HWV) | 3h46 | 11:28 AM Cardiff Central (CDF) | 3 transfers | |
W10810+ V80632 · GW105500 · V80665 | 7:47 AM Heathrow Terminals 2 & 3 (HXX) | 3h41 | 11:28 AM Cardiff Central (CDF) | 3 transfers | |
C37525 · C37210+ V80631 · GW098500 | On time 8:19 AM Heathrow Terminal 5 (HWV) | 4h46 | 1:05 PM Cardiff Central (CDF) | 4 transfers | |
W10819+ C37949 · C37210+ V80631 | On time 8:27 AM Heathrow Terminal 5 (HWV) | 4h38 | 1:05 PM Cardiff Central (CDF) | 5 transfers | |
C37949 · C37210+ V80631 · GW105100 | 8:34 AM Heathrow Terminal 4 (HAF) | 3h52 | 12:26 PM Cardiff Central (CDF) | 4 transfers | |
C37949+ V80631 · GW105100+ G39946 | 8:34 AM Heathrow Terminal 4 (HAF) | 3h52 | 12:26 PM Cardiff Central (CDF) | 3 transfers | |
C37949 · C37210+ V80631 · GW098500 | On time 8:39 AM Heathrow Terminals 2 & 3 (HXX) | 4h26 | 1:05 PM Cardiff Central (CDF) | 4 transfers | |
W10822+ V80631 · GW105100+ G39946 | 8:42 AM Heathrow Terminal 5 (HWV) | 3h44 | 12:26 PM Cardiff Central (CDF) | 3 transfers | |
W10822+ V80631 · GW105100+ G39946 | 8:47 AM Heathrow Terminals 2 & 3 (HXX) | 3h39 | 12:26 PM Cardiff Central (CDF) | 3 transfers | |
C38014 · C37228+ V80630 · GW104700 | 9:34 AM Heathrow Terminal 4 (HAF) | 3h55 | 1:29 PM Cardiff Central (CDF) | 4 transfers | |
C38014+ V80630 · GW104700+ G39947 | 9:34 AM Heathrow Terminal 4 (HAF) | 3h55 | 1:29 PM Cardiff Central (CDF) | 3 transfers | |
W10837+ V80630 · GW104700+ G39947 | 10:02 AM Heathrow Terminals 2 & 3 (HXX) | 3h27 | 1:29 PM Cardiff Central (CDF) | 3 transfers | |
C38104 · C37248+ V80629 · GW098300 | On time 10:55 AM Heathrow Terminals 2 & 3 (HXX) | 4h28 | 3:23 PM Cardiff Central (CDF) | 4 transfers | |
W10849+ V80629 · GW104300 · V80662 | 11:02 AM Heathrow Terminals 2 & 3 (HXX) | 3h33 | 2:35 PM Cardiff Central (CDF) | 3 transfers | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets London Heathrow Airport to Cardiff Central (CDF) by bus, train, or ferry
Compare bus, train, and ferry 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.
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Why should you book London Heathrow Airport to Cardiff Central (CDF) trains with Omio?
Why book with Omio vs Great Western Railway?
- Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
- Compare all your options: Omio allows you to compare Great Western Railway with all available travel options, which are bus, train and ferry to ensure you get the best deal for traveling from London Heathrow Airport to Cardiff Central (CDF).
Why book with Omio over Wanderu?
- Multiple modes of transport: Omio allows you to compare travel options including bus, train and ferry to find the ideal travel option from London Heathrow Airport to Cardiff Central (CDF).
Journey information
Overview: Train from London Heathrow Airport to Cardiff Central (CDF)
Trains from London Heathrow Airport to Cardiff Central (CDF) run on average 26 times per day, taking around 2h 21m. Cheap train tickets for this journey start at $65 (€52) but you can travel from only $12 (€10) by bus.
The earliest train runs at 07:06, the last at 22:25. The fastest train covers the 117 miles (189 km) distance in 2h 26m.
Distance 117 miles (189 km) |
Average train duration 2h 21m |
Cheapest ticket price $65 (€52) |
Trains per day 26 |
Fastest train 2h 26m |
First train 7:06 AM |
Last train 10:25 PM |
Cheapest Month Jul |
Cheapest Day Sat |
High Season Jul - Sep |
Low Season Apr - Jun |
Busiest Day Wed |
Least Busy Day Fri |
Train companies: Great Western Railway from London Heathrow Airport to Cardiff Central (CDF) trainsGreat Western Railway trains will get you between London Heathrow Airport and Cardiff Central (CDF) from $12 (€10). With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
Great Western Railway
FAQs: Trains from London Heathrow Airport to Cardiff Central (CDF)
Find answers to the most common questions about traveling from London Heathrow Airport to Cardiff Central (CDF) 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 Cardiff Central (CDF), this guide helps you travel smarter and with confidence.

popular train stations
Popular train stations from London Heathrow Airport to Cardiff Central (CDF)
- Mon - Fri: 05:40 - 21:30
- Sat: 05:40 - 21:30
- Sun: 07:30 - 21:30
- Free Wi-Fi in the station.
- Type of shops available: News agent and convenience store
- Car Park: Brewery Car park
- Gourmet Coffee Bar & Kitchen
- Pret a Manger
- Tesco Express
- Taxi: Taxi rank is on the right as you exit the main station entrance
- There is step-free access in the whole station. There are also ramps for train access and elevators in the station.
- Toilets Location: The toilets are located on Platforms 1 to 8. The National Key toilets are located in the East Subway near the lifts and on Platform 8; these toilets are operated by a radar key and are only available during staffing hours.
- National key toilets: Yes
- National key toilets location: The National Key/Accessible toilets are located in the East Subway near the lifts and on Platform 8; these toilets are operated by a RADAR key and are only available during staffing hours.
- Baby changing facilities: Yes
- Clayton Hotel Cardiff
- Cardiff Marriott Hotel
- Travelodge Cardiff Central
- Waiting rooms location: On platforms 1/2, 3/4, 6/7 and 8.
- Mon - Fri: 05:40 - 21:30
- Sat: 05:40 - 21:30
- Sun: 07:30 - 21:30
- Storage sheltered: Yes
- Storage location: East end of platforms 1 and 2, 3 and 4, 6 and 7 - also at the front and rear of the station.
- Storage CCTV: Yes
- Commuter rail lines: City Line, Rhondda Line, Rhymney Line, Valley Line, South Wales Main Line
- Train lines: Transport for Wales, CrossCountry, Great Western Railway
- Location for Rail Replacement Services: At the rear car park (Penarth Road entrance)
Most popular train connections from London Heathrow Airport
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