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Valid Trainline Promo Codes for August 2026
✓agent-verified & updated·August 18, 2026
Today's Current Trainline Coupons and Promo Codes:
20 offers in totalTake 5% Off Your First Booking
Get 5% off your first Trainline booking when you use this code.
agent score 45/100passed 4 of 242 agent checks
Take 15% Off Your Order at Trainline
Enjoy 15% off eligible purchases at Trainline when you use this code.
agent score 8/100passed 1 of 2 agent checks
Save 32% Off Sitewide at Trainline
Unlock 32% off sitewide at Trainline with this discount code.
agent score 2/100
Save €10 on Your Order at TheTrainline
Use this promo code to save €10 on your eligible order at TheTrainline.
agent score 1/100passed 2 of 356 agent checks
Save 20% at TheTrainline
Get 20% off eligible TheTrainline purchases with this coupon code.
agent score 1/100passed 1 of 359 agent checks
1/3 Off South East Train Travel With a Network Railcard
Travelers in the South East of England can buy a Network Railcard through Trainline for £35. The Railcard gives 1/3 off eligible adult train fares and 60% off eligible child fares for qualifying journeys in the Network Railcard area.
1/3 Off Adults and 60% Off Kids With a Family & Friends Railcard
Groups with at least one adult and one child can buy a Family & Friends Railcard through Trainline. Eligible bookings can receive 1/3 off adult fares and 60% off child fares for qualifying travel with up to four adults and four children.
1/3 Off for Two Adults With a Two Together Railcard
Two adults aged 16 or over can buy a Two Together Railcard through Trainline for £35. When both named travelers ride together on eligible journeys, the Railcard gives 1/3 off train fares.
1/3 Off Eligible Journeys With a 26-30 Railcard
Customers ages 26 to 30 can purchase a digital 26-30 Railcard from Trainline for £35. The Railcard gives 1/3 off eligible train journeys for one year when added to qualifying bookings.
1/3 Off Train Travel for Seniors 60+
Travelers aged 60 and over can buy a Senior Railcard through Trainline for discounted rail fares. The Railcard provides 1/3 off eligible train tickets, with 1-year and 3-year purchase options available.
Other Trainline Deals & Offers
1/3 Off Train Tickets With a 16-25 Railcard
Eligible travelers ages 16 to 25 can buy a digital 16-25 Railcard from Trainline for £35 for one year or £80 for three years. The Railcard gives 1/3 off eligible train travel, with the 3-year option saving £25 compared with buying three separate 1-year Railcards.
Save 50% With the 16-17 Saver Railcard
Travelers aged 16 to 17 can buy the 16-17 Saver for £35 and receive 50% off most eligible train tickets. The discount applies to qualifying fares including seasons, according to Trainlines Railcard listing.
Save 1/3 and Get 60% Off Child Fares With Family & Friends Railcard
Groups with at least one adult and one child aged 5 to 15 can use a Family & Friends Railcard for discounted rail travel. The offer covers up to four adults and four children, with children receiving 60% off eligible fares.
Save 1/3 With a Two Together Railcard
Two adults aged 16 or older can buy a Two Together Railcard for journeys where both named travelers ride together. Eligible fares receive up to one-third off, with the Railcard sold digitally through Trainline.
Save 1/3 With 16-25 Railcard Discounts
Eligible travelers aged 16 to 25 can buy a digital 16-25 Railcard and use it for up to one-third off qualifying train tickets. Trainline also lists a 3-year Railcard option at £80, saving £25 compared with buying three 1-year Railcards.
Save an Average of £13 Per Trip With SplitSave
SplitSave checks whether buying multiple tickets for one long journey is cheaper than a single through ticket. When eligible split tickets are available, Trainline shows the savings in search results so the lower-priced option can be booked directly.
Save Up to 1/3 With GroupSave Train Tickets
Groups of 3 to 9 passengers can get up to one-third off eligible UK rail fares when travelling together. The discount applies on qualifying Standard Class Off-Peak journeys and is applied during booking when available.
Get 5% Off Your Trainline Booking
Apply this promo code to save 5% on eligible Trainline bookings.
5% Off Storewide for Members at Trainline
Use this discount code to save 5% storewide at Trainline for members.
Save 10% Off at TheTrainline
Take 10% off eligible purchases at TheTrainline with this promo code.
Trainline Shopping Info
Discounts
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Payments
Trainline Coupon Verification Data: Live Cart Tests and Real Savings
Our agents add each Trainline code to a real thetrainline.com cart and try to check out, and we count what real orders and shoppers report back. Green is how many checks came back working that day. Red is how many the site would not accept, so you don't have to sit at checkout testing them yourself.
| Day | Codes that worked | Codes that would not apply | Success rate |
|---|---|---|---|
| Aug 4, 2026 | 1 | 138 | 1% |
| Aug 5, 2026 | 2 | 126 | 2% |
| Aug 6, 2026 | 2 | 113 | 2% |
| Aug 7, 2026 | 1 | 104 | 1% |
| Aug 8, 2026 | 1 | 61 | 2% |
| Aug 9, 2026 | 1 | 116 | 1% |
| Aug 10, 2026 | 3 | 124 | 2% |
| Aug 11, 2026 | 1 | 99 | 1% |
| Aug 12, 2026 | 3 | 94 | 3% |
| Aug 13, 2026 | 0 | 133 | 0% |
| Aug 14, 2026 | 1 | 141 | 1% |
| Aug 15, 2026 | 0 | 87 | 0% |
| Aug 16, 2026 | 1 | 117 | 1% |
| Aug 17, 2026 | 1 | 126 | 1% |
Shoppers who landed a working Trainline code saved a median of £2.42 at checkout, about 6.13% off the cart. That comes from 1 real carts, comparing the total before and after the code went in, not from an estimate.
421 of these results came from shoppers telling us whether a code worked; the rest come from automated checks and the other sources above. Last confirmed working on August 17, 2026. Codes that stop clearing get pulled off this page automatically.
Data deep dive: how we test Trainline codes
Instead of leaving you to paste codes one by one, our agents do it first. They run around the clock on a real thetrainline.com cart, so the codes we put at the top of this page are the ones that were still working the last time anyone checked, and the dead ones are already out of your way.
A code check is one result for one code. Most are our agents applying it to a real cart and reading the order total before and after; the rest come from tracked orders and from shoppers reporting back, as broken down above. Worked means the code was accepted and the total went down. Would not apply means thetrainline.com refused it on that cart. That is not the same as the code being fake. The usual reasons are:
- It expired or the store switched it off after it was published.
- It was single-use and had already been redeemed.
- It only covers certain categories, brands or individual products.
- The cart did not reach a minimum spend.
- It is limited to new customers, a first order, or an email sign-up.
- It cannot be combined with an active sale or another code.
- It is tied to a different country, currency or membership.
So a code that failed one check can still work on your cart, and the success rate (checks that worked divided by all checks) is best read as how easily Trainline discounts apply in general, not as a verdict on any single code. Hover any bar in the chart to see that day on its own.
Locate the Code Box at thetrainline.com
The agents tested the code. Entering it is the one part we leave to you — here's exactly where the Trainline promo code goes at checkout.
Follow the shopper-submitted screenshots below to spot the Trainline promo box and apply your code. Miss a step and even a working code does nothing — so the agents mapped every one for you.
How to find
- 1.Go to the Trainline homepage
- 2.Search for a train journey by entering a departure and arrival station
- 3.Select a specific journey and click 'Go to checkout'
- 4.Choose 'Checkout as guest' and enter an email address to proceed
- 5.Locate the 'Trainline discounts' section in the order summary on the right
- 6.Click 'Add a discount code' to expand the promo code input field
How to use
Click on the 'Add a discount code' or 'Trainline discounts' accordion, type your code into the 'Enter your code' field, and click the 'Apply code' button.
How the Agents Verify Trainline Codes
When Do New Trainline Deals Drop?
Our agents log every new Trainline promo code and deal the day it goes live, and record what the working ones took off a real cart. Here's how many landed each month over the past year, how deep the discounts ran, and when it pays to wait.
New Trainline offers per month
busiestavg 6/mo
What a working code took off the cartmedian per month · dashed where too few carts
ran €4.16–€13.20 a carttypical €5.14 (6% off)biggest in October 2025
| Month | New offers | Median off a cart | Share of the cart |
|---|---|---|---|
| September 2025 | 9 | €5.84 | 5% |
| October 2025 | 11 | €13.20 | 9% |
| November 2025 | 14 | €4.90 | 10% |
| December 2025 | 4 | €4.90 | 10% |
| January 2026 | 4 | €5.14 | 6% |
| February 2026 | 4 | €4.90 | 10% |
| March 2026 | 4 | not tracked | not tracked |
| April 2026 | 2 | not tracked | not tracked |
| May 2026 | 1 | €4.16 | 5% |
| June 2026 | 5 | €5.81 | 6% |
| July 2026 | 5 | €9.73 | 6% |
- Busiest month
- Nov
- 14 offers
- Monthly average
- 6
- new offers
- Quietest month
- May
- 1 offers
- Typical discount
- 6% off
- €5.14 a cart
Trainline Customer Support
Need help with your shopping? Here's what's available for Trainline when an order, return, or promo code needs a human.
Undercover Tourist
Budget Car Rental
Holiday Inn
Emirates
Four Seasons Hotels and Resorts
HotelTonight
Go City
TUI Musement
Air Caraïbes
July
Steiner Sports
Sugar & Kush
The Tea Spot
UNTUCKit Canada
Tecovas
Miraclesuit
Little Words Project
THXSILK
KingSize
Petal & Pup