[Edit password is treehouse] I've gone for return prices, as that's normally what I get. For splitting to be valid, your train must stop at the station at which you are splitting your ticket. You don't actually have to get off, though!
This table only shows split tickets that are of the same validity as the non-split ticket, so can safely be used on exactly the same trains. Obviously, if you're willing to wait until peak time ends, you can probably get a cheaper ticket than the peak price; please leave an explanation in the Notes column.
| Journey | Split at | Normal price | Split price | Saving | Notes |
| Cheltenham - Manchester | Wolverhampton | £54.60 Saver Return | £42.90 Saver Returns | 21% | Obviously, if there's a SuperSaver, get that |
| Ipswich-London (R) | Colchester | £62.40 Anytime | £49.10 Anytime (x2) | ~22% | Almost every train from Ipswich to London stops at Colchester |
| Penzance - Bristol | Exeter | £54 Saver Return | £49.50 Saver Returns | 8% |
| Penzance - Taunton | Plymouth | £42 Saver Return | £38 Saver Returns | 10% |
| Penzance - Exeter | Plymouth | £29.50 Saver Return | £27.50 Saver Returns | 7% |
| Penzance - Birmingham | Cheltenham | £106 Saver Return | £76.50 Saver Returns | 28% |
| Plymouth - Birmingham | Cheltenham | £84.30 Saver Return | £67.50 Saver Returns | 20% |
| Exeter – Birmingham | Bristol | £63.90 Saver Return | £58.10 Saver Returns | 9% |
| Bristol – Birmingham | Cheltenham | £38.10 Saver Return | £31.50 Saver Returns | 17% |
| Bristol – Birmingham | Cam and Dursley | £38.10 Saver Return | £27.70 (£10.20 (two Standard Day Singles) + £17.50 Saver Return) | 27% | Not all trains go to C&D, will have to change at Cheltenham |
| Plymouth - Bristol | Exeter | £41 Saver Return | £33.50 Saver Returns | 18% |
| Exeter - Cheltenham | Weston-super-mare | £42.10 Saver Return | £34 Saver Returns | 19% |
| Taunton - Birmingham | Cheltenham | £53.10 Saver Return | £47.90 Saver Returns | 10% |
| Taunton - Cheltenham | Bristol | £30.40 Saver Return | £29 Saver Returns | 5% |
| Bath Spa – Birmingham | Cheltenham | £40.60 Saver Return | £34.50 Saver Returns | 15% |
| Birmingham - Oxford | Banbury | £26 Saver Return | £17.40 (£9.60 Chiltern Metro, £7.80 Cheap Day Return) | 33% | Off-peak, going for the day only |
| Birmingham - Oxford | Banbury | £42 Open Return | £19.30 (£11 Chiltern Metro, £8.30 Standard Day Return) | 54% | Peak, going for the day only |
| York - Edinburgh | Berwick-upon-Tweed | £69.30 Saver Return | £65.70 Saver Returns | 5% |
| Oxford – Birmingham | Banbury | £25.90 Saver Return | £17.30 (£6 Saver Return + £11.30 ) | 33% | £22.30 if you buy Oxford - Coventry instead and go via Solihull, £24.70 if you change at Leamington and get two Singles from there) |
| Oxford – Birmingham | Banbury | £51 Anytime Return | £9.70 + £15.70 Anytime Returns | 50% |
| Oxford – Birmingham NS | Leamington Spa | £21 Open Single | £16.10 (£10.40 Open Single + £5.70 Open Single) | 23% |
| Oxford – Coventry | Leamington Spa | £22.30 Saver Return | £19.50 (£13.30 Saver Return + £6.20 (two Standard Day Singles) | 13% |
| Oxford – Exeter | Swindon | £57 Saver Return | £46.50 Saver Returns | 18% |
| Oxford – Stone | Banbury – Leamington Spa – Wolverhampton | £87 Open Return | £39.90 Day returns (£9.70 Oxford to Banbury, £7.90 Banbury to Leamington Spa, £14.8 Leamington Spa to Wolverhampton, £7.50 Wolverhampton to Stone Off Peak Return) | 54% | This makes a day return. If leaving after 9pm, both the standard and the split ticket would be cheaper |
| Oxford – Taunton | Reading,Newbury | £128 Standard | £73.70 (£18.90 Awaybreak or £20ish singles to Reading, £12.80 singles to Newbury, £42 saver return to Taunton) | 42% | Peak travel only, otherwise get the £44 Saver Return |
| Oxford – Liverpool Lime Street | Banbury,Wolverhampton | £106 Standard (leaving Oxford 7:43am) | £69.90 (Oxford to Banbury single £8.70, Banbury to Wolverhampton peak return £27.50, Woverhampton to Liverpool Lime Street off-peak return £28.50, Banbury to Oxford single £4.90) | 34% | Off-peak the normal ticket is much better value |
| London – Newcastle | Peterborough | £224 Standard Open | £144.90 (£68 Standard Open, £76.90 Saver Return) | 35% | Peak travel only, otherwise get the £95.30 Saver Return direct |
| Bristol – Nottingham | Cheltenham | £53.10 Saver Return | £47.80 Saver Returns | 10% |
| Birmingham - Manchester | Stoke | £29.10 Saver Return | £26.50 Saver Returns | 9% |
| Reading - Birmingham | Banbury | £38.20 Saver Return | £33.70 (£20.10 Network AwayBreak + £13.60 Saver Return) | 12% |
| Oxford – Cardiff | Swindon | £43 Saver Return | £23 (£13 Saver Return + 2x£5 Advanced Single) | 47% | Avoid saver returns Swindon-Cardiff: bizarrely expensive |
| Bournville – Charlbury | Birmingham | £51 | £34.20 (£30.40 + 2x£1.90 day single) | 33% | When travelling on peak/off-peak border |
| Bournville – Charlbury | Birmingham | £51 | £28 (split at Banbury, £14 and £14) | 45% | When travelling on peak/off-peak border |
| Cardiff – Reading | Swindon | £50 | £35.70 | 29% |
| Cardiff – Reading | Swindon | £20/£50 | £25ish | 50% | The £20 advance tickets go months in advance, but buying separately via Swindon are generally available much closer and don't cost that much more |
| Preston – Nottingham | Crewe + Long Eaton | | | 30% | Crewe–Long Eaton (priced as Derby) is very cheap) |
| ECML–Finsbury Park | stop of KX | | | £4ish | Route NOT LONDON! |
| Southampton – London | Southampton–Brighton via Clapham Junction | 30 | 20 | 33% | Remember the train must stop at Clapham Junction (the ones leaving Southampton & Waterloo near the hour, not the half hour) and you need a CJ to Waterloo ticket too. |
| Nottingham – Lincoln | Bulwell – Swinderby (– Lincoln) | | | 50% (20%) | local Tickets to/from the Robin Hood Line are subsidised; Swinderby is priced as Newark. |
| Swansea – Pontypridd | Bridgend | £13.70 Off-Peak Return | £10.50 Off-Peak Return | 23% | |