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Cardiff Bay to Heathrow Terminal 4 Train prices and times

Looking to travel from Cardiff Bay to Heathrow Terminal 4? You can buy train tickets with Trip.com for as low as SAR 218.92, with average prices for this route around SAR 304.05.

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

View More Trains
DepartureArrivalOperator
Find Tickets
20:56
3 ساعات 1 دقيقة, Changes required
Cardiff Bay
23:57
Heathrow Terminal 4
Transport for WalesGreat Western RailwayElizabeth line
Find Tickets
20:56
8 ساعات 16 دقائق, Changes required
Cardiff Bay
05:12
+1
Heathrow Terminal 4
Transport for WalesGreat Western RailwayElizabeth line
Find Tickets
23:54
8 ساعات 18 دقائق, Changes required
Cardiff Bay
08:12
+1
Heathrow Terminal 4
Transport for WalesGreat Western RailwayElizabeth line
Find Tickets
23:54
8 ساعات 18 دقائق, Changes required
Cardiff Bay
08:12
+1
Paris
Transport for WalesGreat Western RailwayElizabeth line
Find Tickets

Cardiff Bay to Heathrow Terminal 4 Train Route Details

First train
First train
06:56
Last train
Last train
23:54
Departure station
Departure station
Cardiff Bay
Arrival station
Arrival station
Heathrow Terminal 4
Journey time
Journey time
3 ساعات 1 دقيقة
Distance
Distance
189 km
Price
Price
SAR 218.92*
Train operators
Train operators
Elizabeth line, Great Western Railway, Transport for Wales

How to book cheap train tickets from Cardiff Bay to Heathrow Terminal 4

Traveling in off-peak train times

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 Terminal 4 can result in significant cost savings.
Get 1/3 off with a Railcard

Get 1/3 off with a Railcard

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 travelers. You can discover more about Railcards here.
Split tickets to save an average extra 30%

Split tickets to save an average extra 30%

Splitting tickets involves buying separate, cheaper tickets for different parts of your journey on the same train instead of just one ticket for the entire trip. For instance, if you're traveling from Cardiff Bay to Heathrow Terminal 4, you might find that purchasing a ticket from A to C, then C to B costs less than a direct ticket. This method is perfectly legal and often doesn't require leaving your seat.
Book in advance to save an average of 61%

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 Terminal 4 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

Travel in a group to save 1/3

If you are traveling in a group, be sure to check out group travel discounts. Many train companies offer a ⅓ off standard fares for groups of three to nine people, making traveling from Cardiff Bay to Heathrow Terminal 4 more affordable for families, friends, or colleagues planning a trip together.

Cardiff Bay to Heathrow Terminal 4 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:

Why Book Train Tickets With Trip.com?

  • Split Tickets

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  • Split Tickets

    Split Tickets

    Save an average of 30% on train fares by splitting your Cardiff Bay to Heathrow Terminal 4 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%.