Travel Information from Stockholm Airports

Stockholm Arlanda Airport (ARN):
1. Arlanda Express train (20 min)
2. Commuter train (approx. 60 min)
3. Shuttle buses (approx. 45 min)
4. Taxis (approx. 30 min)

1. The Arlanda Express train operates from Arlanda Airport to/from Stockholm Central Station every 15 minutes throughout the day. The travel time is only 20 min. It is the quickest and most convenient option to travel to/from the airport into the city center. Check prices and book tickets online here.
The airport station is also served by regular rail services, including trains to other parts of Sweden.
For more information: Swedish State Railways - SJ

2. Since December 4, 2012, it is also possible to use the regular commuter train service to travel to and from Arlanda, changing trains at Upplands Väsby. Upptåget is the train that runs between Arlanda and Upplands Väsby. There is a fee for passing between the trains and the airport terminal at Arlanda. If you have a valid SL ticket, you just pay the passage supplement fee. There is a zone ticket for all three zones with the Arlanda passage supplement fee included.
For more information: Stockholm Transport (SL)

3. Shuttle buses operate to/from Arlanda Airport to the City Terminal near the Central Station in Stockholm about every 10 min throughout the day. The journey takes 45 min. Book tickets and check prices online here (discounted internet prices available).

4. A number of taxi companies operate in Stockholm, and their rates can vary. Note that there are fixed rates for transfers to and from Stockholm Arlanda Airport, which are written on the taxis. Make sure to confirm the rate before you leave the airport. The taxis from the larger companies always display the name of the driver and the car identification in the front window. All drivers should speak English.

• Flygtaxi (Airport taxi)
  Phone: +46 (0)8 120 920 00
  Fax: +46 (0)8 673 64 50

• Taxi 020 (Phone for booking from abroad)
  Phone: +46 (0)20 20 20 20 / +46 (0)8 85 04 00

• Taxi Kurir
  Phone: +46 (0)771 86 00 00

• Taxi Stockholm
  Phone: +46 (0)8 15 00 00

• Freys Hyrverk (limo service)
  Phone: +46 (0)8 30 91 00
  Fax: +46 (0)8 30 48 30

Flygtaxi (Airport taxi) can be booked at the same time as the air trip. It can also be booked at the Flygtaxi counters in Terminals 2, 4, and 5. It has fixed rates from the airport to most addresses in Sweden and can be shared with other travelers to reduce the cost.

Information from:
https://www.kth.se/firefoam/conference/travel-1.670861
http://www.visitsweden.com/sweden/travel-guide/getting-around-in-sweden/airport-transfers/from-stockholm-airports/