Heathrow Terminals 2 & 3 (HXX) to Cathays (CYS) train with Great Western Railway

Mon, Jun 01
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Great Western Railway
Regionale
Deutsche Bahn
iryo
Frecciarossa
2,000+ travel companies
Great Western Railway
Regionale
Deutsche Bahn
iryo
Frecciarossa
2,000+ travel companies
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Travel Information

Compare bus and train for Heathrow Terminals 2 & 3 (HXX) to Cathays (CYS)

Omio recommends booking the bus as it is the most popular option from Heathrow Terminals 2 & 3 (HXX) to Cathays (CYS) among Omio's users. If you are prioritising price take the bus with prices starting from $25. For those with little time consider booking a train which can get you there in 2h 18m. The ticket price range depends on the travel mode: a bus costs an average of $25, and a train costs an average of $118.

Distance: 117 miles (189 km)

Compare train with

Train
Most popular
Bus
Driving

$128

Average price

$28

Average price

Cheapest

$51

Average price

(fuel + tolls)

2h 48m

Average total duration

Fastest

2h 18m

Onboard

+

30m

Additional time*

4h 8m

Average total duration

3h 38m

Onboard

+

30m

Additional time*

2h 21m

Average total duration

(door-to-door)

Great Western Railway

Most popular train company

National Express

Most popular bus company

Your own car or car rental

Direct Options

Direct Options

Direct Options

The cheapest way to travel from Heathrow Terminals 2 & 3 (HXX) to Cathays (CYS) is a bus with an average price of $28 (€23).

This is compared to other travel options from Heathrow Terminals 2 & 3 (HXX) to Cathays (CYS):

A bus is $100 (€80) less than a train for this route with tickets for a train from Heathrow Terminals 2 & 3 (HXX) to Cathays (CYS) costing on average $128 (€103).

The fastest way to travel from Heathrow Terminals 2 & 3 (HXX) to Cathays (CYS) is by train with an average journey time of 2h 18m.

Other travel options to Cathays (CYS) take longer:

Bus takes on average 3h 38m.

It's helpful to compare your options as there are 2 ways to travel between Heathrow Terminals 2 & 3 (HXX) and Cathays (CYS) including taking a bus and train.
We recommend using the bus as it is the most popular way to get from Heathrow Terminals 2 & 3 (HXX) to Cathays (CYS) among Omio's users.
Take the train. It's meaningfully faster than driving, and the time saved usually justifies the price.

You'll arrive about 3m sooner (2h 18m by train vs 2h 21m by car). Tickets start at around $128 (€103) compared to roughly $51 (€41) 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.

Compare prices and tickets Heathrow Terminals 2 & 3 (HXX) to Cathays (CYS) by bus or train

Compare bus and train 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.

Mon
Jun 01
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Jun 03
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Jun 07

Why should you book Heathrow Terminals 2 & 3 (HXX) to Cathays (CYS) trains with Omio?

Great Western Railway operates all trains services from Heathrow Terminals 2 & 3 (HXX) to Cathays (CYS).
Omio is an official ticket reseller for all your travel options from Heathrow Terminals 2 & 3 (HXX) to Cathays (CYS).

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 and train to ensure you get the best deal for traveling from Heathrow Terminals 2 & 3 (HXX) to Cathays (CYS).

Why book with Omio over Wanderu?

  • Multiple modes of transport: Omio allows you to compare travel options including bus and train to find the ideal travel option from Heathrow Terminals 2 & 3 (HXX) to Cathays (CYS).

Journey information

Overview: Train from Heathrow Terminals 2 & 3 (HXX) to Cathays (CYS)

United KingdomUnited Kingdom
United KingdomUnited Kingdom
Icon of train

Trains from Heathrow Terminals 2 & 3 (HXX) to Cathays (CYS) run on average 8 times per day, taking around 2h 18m. Cheap train tickets for this journey start at $118 (€95) but you can travel from only $25 (€20) by bus.

The earliest train runs at 07:51, the last at 08:51. The fastest train covers the 117 miles (189 km) distance in 3h 11m.

Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Cheapest alternative travel mode
Bus from $25 (€20)
Distance
117 miles (189 km)
Average train duration
2h 18m
Cheapest ticket price
$118 (€95)
Trains per day
8
Fastest train
3h 11m
First train
7:51 AM
Last train
8:51 AM
Cheapest Month
Sep
Cheapest Day
Sat
High Season
Jul - Sep
Low Season
Apr - Jun
Busiest Day
Thu
Least Busy Day
Sat
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Cheapest alternative travel mode
Bus from $25 (€20)

Train companies: Great Western Railway from Heathrow Terminals 2 & 3 (HXX) to Cathays (CYS) trainsGreat Western Railway trains will get you between Heathrow Terminals 2 & 3 (HXX) and Cathays (CYS) from $25 (€20). With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.

Great Western Railway

About
Great Western Railway is a train operating company in the United Kingdom. It operates services from London Paddington to the West of England, South Wales and the Cotswolds. It also operates services from London Paddington to Oxford, Reading and Bristol. It offers a range of ticket types, including Advance, Anytime, Off-Peak and Super Off-Peak tickets. Onboard facilities include free Wi-Fi, power sockets, air conditioning and catering services. The most popular routes for Great Western Railway are London Paddington to Bristol, Reading and Oxford.
Luggage & cancellation policy
Average Duration
3h 11m
Cheapest Price
$118 (€95)
Great Western Railway frequency
8 a day
Luggage included
Two pieces of luggage and one piece of hand luggage included in ticket price
Luggage storage
Overhead racks, dedicated luggage areas at end of carriages, under seats
Cancellation Policy
Refund policies apply as per ticket type
Refund
Full refund if train is cancelled
Amenities on board the train
Wifi
Food sold onboard
Cafe bar serving hot and cold drinks, snacks, sandwiches. First Class at-seat service on some routes
Seat reservation
Optional seat reservations available for a fee. Free in First Class
Toilets
USB plugs
Accessibility
Wheelchair spaces, accessible toilets, ramps for boarding, priority seating, assistance service available
Pets
Small pets travel free. Dogs must be on lead. Maximum two dogs per passenger
Quiet zone

FAQs: Trains from Heathrow Terminals 2 & 3 (HXX) to Cathays (CYS)

Find answers to the most common questions about traveling from Heathrow Terminals 2 & 3 (HXX) to Cathays (CYS) 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 Cathays (CYS), this guide helps you travel smarter and with confidence.

FAQs
Train ticket prices from Heathrow Terminals 2 & 3 (HXX) to Cathays (CYS) can vary. The cheapest ticket starts at $118 (€95), while the average price is around $128 (€103).
The train from Heathrow Terminals 2 & 3 (HXX) to Cathays (CYS) takes 3h 11m and runs 8 per day.
The first train from Heathrow Terminals 2 & 3 (HXX) to Cathays (CYS) leaves at 7:51 AM.
The distance by train from Heathrow Terminals 2 & 3 (HXX) to Cathays (CYS) is 117 miles (189 km).
The last train from Heathrow Terminals 2 & 3 (HXX) to Cathays (CYS) leaves at 8:51 AM.
There is no high speed train available from Heathrow Terminals 2 & 3 (HXX) to Cathays (CYS).
There is no direct train service currently available from Heathrow Terminals 2 & 3 (HXX) to Cathays (CYS).
Unfortunately, there is no night train available from Heathrow Terminals 2 & 3 (HXX) to Cathays (CYS).
The cheapest way to get from Heathrow Terminals 2 & 3 (HXX) to Cathays (CYS) is by bus, with a cost of around $25 (€20).
The train journey from Heathrow Terminals 2 & 3 to Cathays offers varied scenery, transitioning from urban landscapes around London to more rural and picturesque views as you approach Cardiff, with glimpses of the countryside and small towns along the way.
A day trip from Heathrow Terminals 2 & 3 to Cathays is not feasible as the journey duration is 3h 11m. There are 9 train trips per day, and the distance is 117 miles (189 km).
Yes, you can take the train from Heathrow Terminals 2 & 3 (HXX) to Cathays (CYS).
Since neither Heathrow Terminals 2 & 3 (HXX) nor Cathays (CYS) are in the Schengen Area, passport requirements depend on the specific immigration rules of United Kingdom and United Kingdom. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.
Popular day trips by train from Cathays (CYS) include Cogan, Swansea, Trefforest, Newport, Pengam.
We recommend using the bus as it is the most popular way to get from Heathrow Terminals 2 & 3 (HXX) to Cathays (CYS) among Omio's users.
Items not allowed on trains typically include hazardous materials such as explosives, flammable liquids, corrosive substances, and illegal drugs. Additionally, large or bulky items that may obstruct aisles or emergency exits, as well as pets without proper carriers, may be restricted. Specific prohibited items can vary by train operator and region, so please check the rules for your particular journey.
Yes, rail passes such as the BritRail Pass are valid on most trains within the United Kingdom, offering unlimited travel on participating train operators for a set period.
The currency used in the United Kingdom is the British Pound Sterling (GBP). For travelers, using a card is generally more convenient and widely accepted, especially in cities and for transportation tickets, though carrying some cash can be useful for small purchases or in rural areas.
Pack lightweight, versatile clothing suitable for the destination's climate, and use secure, lockable luggage to protect belongings. Keep essential items like travel documents, medication, and valuables in a carry-on bag for easy access. Use packing organizers or cubes to maximize space and maintain order. Lastly, include a small first aid kit and personal hygiene items for added comfort during travel.

popular train stations

Popular train stations from Heathrow Terminals 2 & 3 (HXX) to Cathays (CYS)

London
Cardiff
The major train station for departures in London is Heathrow Terminals 2 & 3. Find all the information you need to know about services, amenities and connections at Heathrow Terminals 2 & 3 for your trip from London to Cardiff.
Amenities at train station
WifiWifi
ShoppingShopping
ParkingParking
ATMATM
AccessibilityAccessibility
WCWC
Lost and Found OfficeLost and Found Office
Ticket OfficeTicket Office
information
ticketOfficeHours
Ticket Office Hours
  • Opening hours: Monday - Sunday 05:00 - 23:59
ticketOfficeHours
Distance to city center
23 km
Parking
Parking
  • Car Park: No
Accessibility
Accessibility
  • 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
WC
WC
  • National key toilets: No
  • Baby changing facilities: Yes
Public transit options for Heathrow Terminals 2 & 3
  • Onward travel information: National Rail trains serving London Paddington National Express coaches to Victoria Coach Station and Gatwick Airport London Underground
  • Metro: Connection available with the London Underground (Piccadilly Line)
HomeTrainsTrains in United KingdomHeathrow Terminals 2 & 3 (HXX) to Cathays (CYS) train

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