trains

• train from hk - shanghai (HKD508 - HKD530) [£40-1, £80-2 return] about
• train from hk - beijing (HKD574 - HKD601) [£45-7, £90-4 return] about
• train from beijing to weihai (CNY143 seat, CNY263 bed) [£13, £24, return __£26, £48__] beijingchina
• train from beijing to qingdao (CNY275 / CNY330 / cheaper) [£25/£31, £50/£62 return] travelguide
• train from beijing to tianjin (CN58) [£5, £10 return] wiki
• train from shanghai to qingdao (CNY150/CNY249) [£14/£23, return __£28, 46__] chinatravelguide
• descriptions of chinese trains

flights

• return flight from shanghai - seoul (CNY2080 inc taxes) [__£195__] elong
• return flight beijing - seoul (CNY2340 inc taxes) [__£220__] elong
• return flight hong kong - seoul (CNY2827 inc taxes) [__£265__] elong
  • also opodo!
• flight to beijing [__£499__] flightcentre
• return flight to shanghai [£600+] royalbrunei

ferries

• ferry from tianjin to seoul (KRW115,000) [£65, £130 return) seems dodgy though, plus only weekly asia
• ferry from qingdao or weihai (KRW100,000 / CNY750) [£56 / £70, £112/£140 return] weidong
• info on booking ferries

visa

• visa for china

adding up

• london - hk - seoul - hk - london = £680
  
• london - hk - beijing - flight to seoul - beijing - hk - london
  • = £515 + £90 + £220 = £825
• london - hk - beijing - qingdao - seoul - qingdao - beijing - hk - london
  • = £515 + £90 + £50 + £112 = £767
• london - hk - shanghai - seoul - shanghai - hk - london
  • = £515 + £80 + £195 = £790