From New Tokyo International Airport (Narita), participants can access to Sendai by train via Tokyo Station. The Narita Express (JR) trains from New Tokyo International Airport (Narita) to Tokyo Station. It takes about 53 minutes ( JPY 2,940 ).
The JR bullet train ( Tohoku Shinkansen ) departs from Tokyo Station to Sendai Station every ~20 minutes, and it takes 100~120 min (about JPY 11,000). The JR-ticket for Sendai will be available at JR-ticket office in Narita Airport.
Narita Express (JR) http://www.jreast.co.jp/e/nex/index.html
Tohoku Sinkansen (JR) http://www.jreast.co.jp/e/charge/index.asp
Japan Rail Pass (JR) http://www.japanrailpass.net/
Airport express "Skyliner also connects between New Tokyo International Airport (Narita) and downtown of Tokyo. More information is available in the website of Keisei-Railway (http://www.keisei.co.jp/keisei/tetudou/keisei_us/html/skyliner.html).
By domestic flight (ANA https://www.ana.co.jp/eng/index.html), participants can access from New Tokyo International Airport (Narita) to Sendai Station via Sendai Airport. Two flights are available every day and it takes about 60 min.(JPY16,600)
There is a train to Sendai station, it takes about 25 min. (JPY630) from Sendai Airport to Sendai Station. (Limousine bus is not operating) Please check here for details.