(1) From Narita airport
The easiest way to get to Tsukuba is to take the Airport Liner NATT's, a shuttle bus service. It departs from bus stop #15 at terminal 1 and bus stop #12 at terminal 2. Tickets are available at Keisei counter, which is located on the 1st floor of each terminal. It takes approximately 90 minutes to Tsukuba center (depending on traffic). The fare is 2,540 yen per person one way. Please note that no credit cards are acceptable for the ticket purchase.
(2) From Haneda airport
 The best way to get to Tsukuba from Haneda Airport is to take a shuttle bus service.There are 24 bus services/day coming and going to the airport. The buses leave from the bus stop #12 on the 1F (arrival level). It takes approximately 90 minutes to Tsukuba center (depending on traffic). The fare is 1,800 yen per adult for one way. Tickets are available at a Tour Desk (Information desk) on the 1st floor of the terminal building. Please note that no credit cards are acceptable for the ticket purchase.
(3) From Tokyo
By Highway Bus Japan Railway Co. (JR) and Kanto Railway Co. operate shuttle bus services between Tokyo and Tsukuba. The busses leave from Tokyo station "YAESU-south exit" (bus stop #3) every 10 to 20 minutes. It takes about 90 minutes to Tsukuba depending on the traffic. Tickets are available at a ticket booth in Highway bus center, which is located in YAESU-south exit. The fare for one way trip is 1250 yen/person. Please note that no credit cards are acceptable for the ticket purchase.?To Namiki Site: Get off at "Namiki ichome" (2nd stop)To Sengen Site: Get off at "Sengen ichome" (3rd stop)To Sakura Site: Get off at "Tsukuba center bus terminal" (last stop) and take a taxi
By JR Joban line Get off at JR Arakawaoki station and take a Kanto Railway's local bus (#20, 21A or 26).To Namiki site:Get off at "Bushitsu Kenkyujo mae" (13th stop) Namiki site is located across the street. To Sengen site:Get off at "Sengen ichome" (14th stop)Sengen site is located behind the bus stop.Go to the large intersection ahead on the street and take left (do not get across the street)Go straight for about 500m, you will see the main gate of Sengen siteTo Sakura site:Get off at Tsukuba center, then take a taxi (10 to 15 minute ride) ?
By a car Take Joban highway to Sakura Tsuchiura exit, take a lane to Tsukuba direction, proceed to the second traffic light, intersection of Rout 354 and "Higashi o-dori" street; turn right onto "Higashi o-dori" street; continue on this street for a whileTo Namiki site:Turn right at the 5th traffic light.(approximately 4 blocks ahead on your right)To Sengen site:At the 7th traffic light, intersection of "Higashi o-dori" street and "Minami o-dori" street; Turn left onto "Minami o-dori" street. (You will see the main gate approximately 1 block ahead on your left)To Sakura site:Proceed to "Hiratsuka" street, intersection of "Higashi o-dori" street and "Hiratsuka" street, turn right onto "Hiratsuka" street.(Sakura site is located in approximately 1 block ahead from the intersection with seven-eleven)