Sendai Station from Airports & Tokyo

JR Narita Express

https://www.jreast.co.jp/e/pass/nex_round.html

Keisei Skyliner

http://www.keisei.co.jp/keisei/tetudou/skyliner/us/index.html

Tokyo Monorail

http://www.tokyo-monorail.co.jp/english/

JR Tohoku Shinkansen

http://www.jreast.co.jp/train/shinkan/tohoku.html
Timetable : http://www.eki-net.com/pc/jreast-shinkansen-reservation/english/wb/common/timetable/e_tohoku_d/index.html

Sendai Airport

http://www.sendai-airport.co.jp/
Sendai Airport Access Line Timetable：http://www.senat.co.jp/img/pdf/kaisei_en.pdfl