Inverkeithing to London and Kemble to Inverkeithing cheapest tickets?

I need to get to London on the 27th August from Inverkeithing in Fife and come back from Kemble near Glouster to Inverkeithing on the 1st September, any ideas the cheapest way please?
Not sure if this is the correct forum.

snakeeyes said:

I need to get to London on the 27th August from Inverkeithing in Fife and come back from Kemble near Glouster to Inverkeithing on the 1st September, any ideas the cheapest way please?
Not sure if this is the correct forum.

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For 27 August, Virgin East Coast are offering a one way advance purchase fare of £67.60 from Inverkeithing to London Kings Cross. There are reductions on this fare, if you have a senior or young person railcard.

For 1 September, Virgin East Coast offer a one way advance purchase of £104.50 from Kemble to Inverkeithing. You travel via Gloucester and Birmingham. Again, reductions for certain railcards.

source: https://www.virgintrainseastcoast.com/

If you register with VirginEast coast, you can collect points if you are a Nectar scheme member. And Virgin East Coast offer a 5% reduction on certain of their fares, provided you book via their own Virgin East Coast.

Do other forum members have a better fare alternatives ?

thank you shinkansen1966

Cheaper and flexible:

Inverkiething-London Super Off Peak Return @ £140
Kemble-London Super Off Peak Single @ £26.40
Oyster or Contactless Tube transfer Paddington-Kings Cross £2.30 (IIRC)

Alternatively, if travel via Gloucester and Birmingham is more convenient for the return, a Kemble-Birmingham Off Peak Single is £29.30. The return half of the Inverkiething-London ticket is then valid for the remainder of the journey from Birmingham to Glasgow and on.

Super Off Peak Return Inverkeithing - Slough Any Permitted 145.00

NRE shows Slough - Inverkeithing via Kemble as a permitted route.

Interesting. Inverkeithing - Swindon is undoubtedly permitted as the OP intended. A ticket via the cheaper route and an excess for the more expensive route comes out at about £177.

If NRE says the Slough ticket is valid via Kemble then I say go for it.