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Heathrow Airport to Cardiff train prices and times

Looking to travel from Heathrow Airport to Cardiff? You can buy train tickets with Trip.com for as low as OMR 21.260, with average prices for this route around OMR 29.260.

To get the best deals, we' d recommend buying in advance and researching alternatives such as split tickets.

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Mon, Sep 1
From OMR 24.650
Tue, Sep 2
From OMR 21.260
Wed, Sep 3
From OMR 21.260
Thu, Sep 4
From OMR 21.260
Fri, Sep 5
From OMR 21.260
Sat, Sep 6
From OMR 21.260
Sun, Sep 7
From OMR 21.260

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Departs	Arrives	Duration	Operator	Find Tickets
09:17 Heathrow Terminals 2 & 3	11:40 Cardiff Central	2h 23m, No direct		Find Tickets
09:25 Heathrow Terminals 2 & 3	12:10 Cardiff Central	2h 45m, No direct	Elizabeth line	Find Tickets
09:32 Heathrow Terminals 2 & 3	12:10 Cardiff Central	2h 38m, No direct		Find Tickets
09:55 Heathrow Terminals 2 & 3	12:36 Cardiff Central	2h 41m, No direct	Elizabeth line	Find Tickets
10:17 Heathrow Terminals 2 & 3	12:36 Cardiff Central	2h 19m, No direct		Find Tickets
10:25 Heathrow Terminals 2 & 3	13:16 Paris	2h 51m, No direct	Elizabeth line	Find Tickets View More Trains

Heathrow Airport to Cardiff train route details

First train

00:03

Last train

22:51

Departure station

Heathrow Airport

Arrival station

Cardiff

Journey time

2h 14m

Distance

118 miles

Price

OMR 21.260*

Train Operators

Heathrow Express, Elizabeth line, CrossCountry

How to book cheap train tickets from Heathrow Airport to Cardiff

Travelling in off-peak train times

Off-Peak train tickets are generally cheaper than peak-time tickets, allowing travel outside morning (06:30-09:30) and evening (16:00-19:00) rush hours on weekdays. If your schedule allows for flexibility, choosing off-peak times for your trip from Heathrow Airport to Cardiff can result in significant cost savings.

Using the Railcard for 1/3 off

With a Railcard, you can save up to 1/3 on most rail fares. There are different types of Railcards available, such as the 16–25 Railcard, the Family & Friends Railcard, and the Senior Railcard, each catering to specific groups of travellers. You can discover more about Railcards here.

Split Tickets to save an average extra 30%

Another option to consider is splitting your tickets, which can save you around extra 30% on fares. Instead of purchasing a direct ticket from Heathrow Airport to Cardiff, you can split the route into two legs: A to C and C to B. This often turns out to be more affordable than buying a direct ticket, and you won’t even need to leave the train… or often your seat!.

Book in advance to save an average of 61%

Advance Tickets are usually released up to 12 weeks before the travel date and can be significantly cheaper than tickets purchased closer to departure. By planning your trip from Heathrow Airport to Cardiff ahead of time and securing your tickets early, you can save up to 61% on the cost of your travel.

Group travels to save 1/3

If you are travelling in a group of three to nine people, take advantage of group travel discounts, offered by most train companies, for a discount of up to 1/3 on standard fares. This can make travelling from Heathrow Airport to Cardiff more affordable for families, friends, or colleagues planning a trip together.

Heathrow Airport to Cardiff train ticket types

There are various ticket types available for this route, each with different benefits and restrictions. Explore below to see which ticket type is best suited to your travel needs:

Off-Peak & Super Off-Peak tickets
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Off-peak tickets are cheaper and offer more flexibility for travel during less busy times. Super Off-Peak tickets are even cheaper and suitable for unconventional schedules.
Return train tickets
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Valid for both an outward and return journey from the same destination on your chosen route.
Advance train tickets
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Generally the most cost-effective option, these tickets can be purchased up to 12 weeks in advance of the travel date.
Season train tickets
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It’s a type of train ticket that allows unlimited travel within two stations for a week, a month, or a year. What’s more, it can save you more than 1/3 on train fares.

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Why Book Train Tickets With Trip.com?

Best Price Promise
If you find trains for a cheaper price elsewhere, let us know and we'll refund the difference*
Split Tickets
Save an average of 30% on train fares by splitting your Heathrow Airport to Cardiff journey
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No Booking Fees on the App
Only pay for your train travel – no hidden fees

*After comparing the full year of 2023 for Split tickets and full-price tickets on Trip.com, the average savings rate for Split tickets is 30%.

Trains from Heathrow Airport to Cardiff from OMR 21.260

Save an average of 30%* with Split Tickets

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Heathrow Airport to Cardiff train prices and times

Heathrow Airport to Cardiff train route details