Timetable
Train route
Cheap train tickets
Heathrow Terminal 3 to London Kings Cross Train prices and times
Use Trip.com to buy tickets from Heathrow Terminal 3 to London Kings Cross, starting from €18.77 and averaging €18.77. The entire journey takes no more than 55m. If you want to get a greater discounts, consider purchasing split tickets. Additionally, buying in advance is also good choice.
| Departure | Arrival | Operator | Find Tickets |
|---|---|---|---|
05:21 Heathrow Terminals 2 & 3 | 06:23 London Kings Cross | Elizabeth line | Find Tickets |
05:36 Heathrow Terminals 2 & 3 | 06:37 London Kings Cross | Elizabeth line | Find Tickets |
05:51 Heathrow Terminals 2 & 3 | 06:53 London Kings Cross | Elizabeth line | Find Tickets |
06:06 Heathrow Terminals 2 & 3 | 07:07 London Kings Cross | Elizabeth line | Find Tickets |
06:21 Heathrow Terminals 2 & 3 | 07:20 London Kings Cross | Elizabeth line | Find Tickets |
06:25 Heathrow Terminals 2 & 3 | 07:23 Paris | Elizabeth line | Find Tickets |
Heathrow Terminal 3 to London Kings Cross Train Route Details
First train
05:21
Last train
23:36
Journey time
55m
Distance
24 km
Price
€18.77*
How to book cheap train tickets from Heathrow Terminal 3 to London Kings Cross
Season Tickets for frequent travel
For frequent travelers between Heathrow Terminal 3 and London Kings Cross, consider a Season Ticket, providing unlimited travel between specified stations for different durations, such as weekly, monthly, annual, or flexi. Alongside substantial savings, enjoy the convenience of not having to buy a ticket for each journey.
Network Railcard for South East England
For only a small annual fee, you can save 1/3 on most fares in South East England, including routes in and out of London, with the Network Railcard. Covering both standard and off-peak tickets, this railcard is particularly beneficial for those who travel regularly within this region.
Traveling in off-peak train times
Taking advantage of Off-Peak train tickets is another effective way to save on your train journey from Heathrow Terminal 3 to London Kings Cross. These tickets are generally cheaper and can be used during quieter periods, typically outside of morning (6:30 AM–9:30 AM) and evening (4:00 PM–7:00 PM) rush hours on weekdays.
Get 1/3 off with a Railcard
Railcards offer discounts of up to 1/3 on most tickets. There are various types of Railcards catering to different types of travelers, such as the 16–25 Railcard, the Family & Friends Railcard, and the Senior Railcard. For more information on Railcards and how they can help you save, visit Railcards here.
Split Tickets for greater savings
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 Heathrow Terminal 3 to London Kings Cross, 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%
Did you know that purchasing Advance Tickets can significantly reduce your travel expenses? On average, these tickets can save you an impressive 61% on fares. The best part is that the earlier you book (ideally up to 12 weeks in advance), the greater the savings!
Travel in a group to save 1/3
If you are planning a trip with a group of three to nine people, take advantage of ⅓ off standard fares with group travel discounts, offered by many train companies, perfect for journeys with your family, friends, or colleagues.
Heathrow Terminal 3 to London Kings Cross 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 train tickets
Off-Peak tickets are cheaper and more flexible, allowing for travel during less busy times. Super Off-Peak tickets are even cheaper and are perfect for less conventional schedules.
Return train tickets
This ticket includes both the outbound and return journeys, saving you the time and hassle of purchasing separate tickets. With just one ticket, you can travel smoothly along the same route.
Advance train tickets
Generally the most cost-effective option, these tickets can be purchased up to 12 weeks in advance of the travel date.
Season train tickets
This is 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.
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
Reduce your train fare by splitting your Heathrow Terminal 3 to London Kings Cross route into individual segments.
National Rail Partners
Official train ticket sellers with 5-star customer support
No Booking Fees on the App
Only pay for your train travel – no hidden fees
Recommendations
Trains from Heathrow Terminal 3
Trains to London Kings Cross
Popular routes
Top Destinations
Popular stations
- Heathrow Terminal 3 to London Waterloo
- Heathrow Terminal 3 to London Victoria
- Heathrow Terminal 3 to London St Pancras International
- Heathrow Terminal 3 to Bristol
- Heathrow Terminal 3 to Southampton
- Heathrow Terminal 3 to Reading
- Heathrow Terminal 3 to London Fenchurch Street
- Heathrow Terminal 3 to Old Street
- Heathrow Terminal 3 to London Euston
- Heathrow Terminal 3 to Liverpool
- Heathrow Terminal 3 to Exeter
- Heathrow Terminal 3 to City Thameslink
- Heathrow Terminal 3 to London Charing Cross
- Heathrow Terminal 3 to Sheffield
- Heathrow Terminal 3 to Exeter St Davids
- Heathrow Terminal 3 to Birmingham
- Heathrow Terminal 3 to Bristol Temple Meads
- Heathrow Terminal 3 to London Waterloo East
- Heathrow Terminal 3 to Manchester Piccadilly
- Heathrow Terminal 3 to London Kings Cross
*Based on Trip.com ticket data from 2023, Split Tickets provided notably lower prices compared to full-price tickets.