From destinations in Europe

If you travel from overseas you can fly to Kristiansand airport Kjevik (KRS), which is located approximately 50 minutes by bus from Grimstad. For bus timetables and other information, please see:

The Airport Express Coach

The following airlines fly to Kristiansand airport Kjevik (KRS):

SAS
Norwegian
KLM
Widerøe

Another option is to fly to Oslo Airport Gardermoen (OSL), located about four hours by bus from Grimstad.
Several airlines operate from destinations in Europe to Gardermoen in Oslo, and here are a few:

SAS
Norwegian
KLM
British Airways
Air France

From the airport you travel by either train or bus to Oslo Central Station (approx 20 minutes by train, more by bus), or you can fly directly to Kristiansand airport.
 
From Oslo Central Station you can either go by bus to Grimstad or by train to Arendal. From Arendal you travel with the local bus to Grimstad (approx 20 minutes). The local buses depart frequently.

From Oslo Airport Gardermoen to Oslo Central Station

From the airport you can go by either train or bus:

Airport Express Train: Flytoget 190 NOK
Airport Express Coach: Flybussen 150 NOK
NSB Railway Train: NSB 95 NOK

From Oslo to Kristiansand by plane

Kristiansand Airport Kjevik (KRS) is located about 50 minutes by bus from Grimstad. From the airport you can catch the airport express coach to Grimstad. For timetable and further information regarding the airport express coach, please see:
The Airport Express Coach
 
The following airlines fly from Oslo to Kristiansand:

SAS
Norwegian

By bus from Oslo to Grimstad

If you are going by bus, there are several direct connections between Oslo and Grimstad. The buses depart from Oslo Central Station and takes approx. 4 hours and 20 minutes. The following bus companies will take you to Grimstad:

Lavprisekspressen
Konkurrenten
Sørlandsekspressen
 
Please mark that all buses from Oslo stop at Øygårdsdalen bus stop, just outside of Grimstad. From this bus stop it takes 15 to 20 minutes to walk to the center of town. Alternatively, there are local buses passing Øygårdsdalen bus stop 3 minutes past every half hour (07:03, 07:33, 08:33, etc.) Monday to Friday, from 7:03 a.m. to 1:30 a.m. On Saturdays and Sundays the local buses pass Øygårdsdalen 3 minutes past every hour, from 9:03 a.m. to 3:03 a.m. on Saturdays and from 11:03 a.m. to 1:03 a.m. on Sundays. If you prefer to go by taxi from the bus stop, you can call +47 37 00 47 00.

From Sandefjord Lufthavn, Torp you can go by bus

If you arrive at Sandefjord Lufthavn, the best alternative for traveling to Grimstad is by bus. From the airport you have to take a taxi a few kilometers to the Sørlandsekspressen bus stop. From here it takes about 3 hours to Grimstad.

Sørlandsekspressen