Southampton (h)  Saturday 17th August 3.00pm

Here's a selection of train times, with fares as at 09/07:
 Leeds 0908 0913 0942 1008   1016 1042 1108    Toon 1726
1740
 1743 1759

1829
1840
 1843 1902

1941

1947
 York  a   0936       1047        York a 1830
1837
 1847 1854

1929
1939
 1948 1959

2038

2048

 York  d 0932 0954 1007
1032
 1035 1056 1107 1132    York d  
 
  

1905

1940
 
   2008

 

 
 Toon 1029 1049 1111
1129
 1140 1151 1213 1229    Leeds  
1907
 1912 1927

2004
2008
 2011 2041

2108

2112
 From Leeds £15.40   £33.80 £36   £32.30 £33.80 £17.80  

 To Leeds

   £36 £33.80     £17.80 £33.80 £25.50 £17.80 £33.80
 From York £22.20 £15.70 £18.50 £27.50 £15.70 £24.70 £18.50 £23.40  

 To York

 £19.20 £27.50 £18.50 £19.20 £19.20 £23.40 £18.50 £19.20 £23.40 £18.50
1234  Transpennine         2345  Cross Country         0123  East Coast         3456  Northern
  
 These are most of the fare options from Leeds (italics means can be bought on the day):

From £33.20

 Advance Singles

£49.50

  Off-Peak Day Returns Leeds-York (Northern trains only) and York-Toon (TransPennine trains only)

£54.40

 Off Peak Day Returns Leeds-York (any trains) and York-Toon (TransPennine trains only)

£70.40

  Off Peak Day Returns Leeds-York and York-Toon (any trains)

£75.80

  Off Peak Return (any trains)

And from York (italics means can be bought on the day):

From £34.20

  Advance Singles
£35  Off-Peak Day Return (TransPennine trains only)

£51

  Off Peak Day Return (any trains)

Notes:
1. Use new.trainsplit.com to find the cheapest deals available by splitting your journey; don't buy tickets from them though, use say www.tpexpress.co.uk or www.lner.co.uk.
2. Railcard holders can normally get one third off the above prices.
3. 16-25 Railcard holders can get 50% off TransPennine fares if booked at www.tpexpress.co.uk.
4. Groups of three or more can get 20% off LNER fares if booked at www.lner.co.uk.