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Luton to Cardiff Train

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12/11/2025
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Luton to Cardiff by train

The journey from Luton to Cardiff by train is 121.66 mi and takes 3 hrs 19 mins. There are 28 connections per day, with the first departure at 02:40 and the last at 21:29. It is possible to travel from Luton to Cardiff by train for as little as £45.29 or as much as £161.20. The best price for this journey is £45.29.

Lowest Price £45.29
Journey Duration 3 hrs 19 mins
Connection per Day 28
Lowest Price £45.29
Highest Price £161.20
First Departure 02:40
Last Departure 21:29
Distance 121.66 mi
Departure Luton
Arrival Cardiff
Carriers Great Western Railway, Thameslink

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Find the best day to travel to Cardiff by train

When travelling to Cardiff by train, if you want to avoid crowds you can check how frequently our customers are travelling in the next 30-days using the graph below. On average, the peak hours to travel are between 6:30am and 9am in the morning, or between 4pm and 7pm in the evening. Please keep this in mind when travelling to your point of departure as you may need some extra time to arrive, particularly in big cities!

Services on board Great Western Railway, Thameslink and East Midlands Railway from Luton to Cardiff
Compare services on board when travelling from Luton to Cardiff by train.
Facilities Great Western Railway Thameslink East Midlands Railway
quiet_zone Quiet zone check check check
wifi WiFi check check check
power_sockets Power sockets check check check
luggage Luggage check cross check
food_and_drink Food and drink check check check

Luton to Cardiff CO2 Emissions by Train

Ecology
Train
13.71kg
Bus
14.68kg
Flight
39.16kg
Car
31.33kg
What are the CO2 emissions from Luton to Cardiff by train? The CO2 emissions from taking the train between Luton and Cardiff are 13.71kg.
How much CO2 do I save by taking the train between Luton and Cardiff? By taking the train between Luton and Cardiff you will save 25.45kg CO2 emissions compared to a flight, 0.97kg compared to a bus and 17.62kg compared to a car.

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Frequently Asked Questions

How much is a train ticket from Luton to Cardiff?
A train ticket from Luton to Cardiff is £87.21. However the price varies depending on how early you buy, and if it's peak time to travel. Occasionally you can find them for as cheap as £45.29.
What's the cheapest train ticket from Luton to Cardiff?
The cheapest ticket you can get from Luton to Cardiff is £45.29. We recommend booking as early as possible and off-peak hours to get the cheapest ticket possible. Off-peak times are usually from 09:30 to 16:00, and after 19:00.
What's the distance between Luton and Cardiff by train?
Luton to Cardiff is 121.66 mi.
How long does the train between Luton and Cardiff take?
Luton to Cardiff is on average 3 hrs 19 mins. However the fastest option will get you there in 3 hrs 2 mins.
Which companies operate from Luton to Cardiff?
The train journey from Luton to Cardiff is covered by 3 operator(s). On Virail you can find these carriers that provide services on this route: Great Western Railway, Thameslink, Elizabeth line and East Midlands Railway.
How many train connections per day go from Luton to Cardiff?
Luton to Cardiff has 28 connection(s) per day on average.
What time does the first train from Luton to Cardiff leave?
The earliest train from Luton to Cardiff departs at 02:40. However be sure to check with us the schedule on the day you want to leave as the time may differ.
What time does the last train from Luton to Cardiff depart?
The latest train from Luton to Cardiff departs at 21:29. However be sure to check with us the schedule on the day you want to leave as the time may differ.
Should I book my ticket from Luton to Cardiff in advance?
If you can, we recommend booking your ticket as early as possible to ensure you get better savings. The cheapest train ticket we have found is £45.29 but this may be subject to change depending on the day of travel, hour you wish to depart and how far in advance you book.
What's the fastest journey time between Luton to Cardiff by train?
The fastest journey time by train between Luton and Cardiff is 3 hrs 2 mins.
Is there a direct train from Luton to Cardiff?
Yes, there is a direct train between Luton and Cardiff.
What are the CO2 emissions for Luton to Cardiff by train?
The train journey from Luton to Cardiff creates 13.71kg of CO2 emissions.

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