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Cardiff Bay to Heathrow Airport Train prices and times

Looking to travel from Cardiff Bay to Heathrow Airport? You can buy train tickets with Trip.com for as low as £41.40, with average prices for this route around £57.50.

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

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Departure	Arrival	Duration	Operator	Find Tickets
23:00 Cardiff Bay	07:06+1 Heathrow Terminals 2 & 3	8h 6m, Changes required	Elizabeth line	Find Tickets
23:00 Cardiff Bay	07:10+1 Heathrow Terminals 2 & 3	8h 10m, Changes required		Find Tickets
23:59 Cardiff Bay	07:55+1 Heathrow Terminals 2 & 3	7h 56m, Changes required		Find Tickets
23:59 Cardiff Bay	08:00+1 Paris	8h 1m, Changes required	Elizabeth line	Find Tickets View More Trains

Cardiff Bay to Heathrow Airport Train Route Details

First train

06:15

Last train

23:59

Departure station

Cardiff Bay

Arrival station

Heathrow Airport

Journey time

2h 40m

Distance

189 km

Price

£41.40*

Train operators

Heathrow Express, Elizabeth line, Great Western Railway

How to book cheap train tickets from Cardiff Bay to Heathrow Airport

Traveling in off-peak train times

Off-Peak train tickets are generally cheaper than peak-time tickets, allowing travel outside morning (6:30 AM–9:30 AM) and evening (4:00 PM–7:00 PM) rush hours on weekdays. If your schedule allows for flexibility, choosing off-peak times for your trip from Cardiff Bay to Heathrow Airport can result in significant cost savings.

Get 1/3 off with a Railcard

You can choose a Railcard to help you save up to 1/3 on fares from Cardiff Bay to Heathrow Airport for various reasons, such as your age (including the 16–25 Railcard or Senior Railcard) or options geared towards group travel (Family & Friends Railcard and Two Together Railcard). Discover more here.

Split tickets to save an average extra 30%

Splitting tickets is a perfectly legal practice that involves purchasing separate, cheaper tickets for different segments of your journey on the same train instead of a single ticket for the entire trip. For example, if you are travelling from Cardiff Bay to Heathrow Airport, you might discover that buying a ticket from A to C, and then another ticket from C to B, is more economical than a direct ticket.

Book in advance to save an average of 61%

Advance Tickets are typically released up to 12 weeks before the travel date and can offer significant savings compared to tickets purchased closer to departure. By planning your trip from Cardiff Bay to Heathrow Airport ahead of time and booking your tickets early, you can potentially save up to 61% on your travel expenses.

Travel in a group to save 1/3

If you are traveling 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 traveling from Cardiff Bay to Heathrow Airport more affordable for families, friends, or colleagues planning a trip together.

Cardiff Bay to Heathrow Airport train ticket types

Here are different ticket types available for this route, each with their own benefits and restrictions. Here are the options to consider:

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Why Book Train Tickets With Trip.com?

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Split Tickets
Save an average of 30% on train fares by splitting your Cardiff Bay to Heathrow Airport journey
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*After comparing the full year of 2023 for SplitTickets and full-price tickets on Trip.com, the average savings rate for SplitTickets is 30%.

Trains from Cardiff Bay to Heathrow Airport from £41.40

Save an average of 30%* with SplitTickets

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Cardiff Bay to Heathrow Airport Train prices and times

Cardiff Bay to Heathrow Airport Train Route Details