Traveling to Stockholm is relatively straight forward for both North American and European participants in the conference. It is also easy for those living outside these regions, as there are often direct flights or with a minimum of layovers.
For participants in Europe, land travel is an option. The main land operator in Sweden is Statens Järnvägar (Swedish State Railways), but there are a number of local companies that provide services. The access point from Denmark is over the Öresund Bridge between Copenhagen and Malmö.
For those coming from across the Baltic by sea, information and pricing concerning ferries from both Finland, the Baltics, and Russia can be found here.
Stockholm is served by three airports that host international connections:
The main airport is Arlanda International Airport located 37 km north of Stockholm near the town of Märsta. All transatlantic flights will arrive here.
Some international flights use the closer Bromma Airport which is 6 km to the west of the city.
Budget airlines such as Ryanair and Eurowings use Skavsta Airport about 100 km south of Stockholm near the city of Nyköping.
All three have transportation to the central city. From Arlanda, one can either take the Arlanda Express high speed train which costs at this time SEK 579 Return (or about US$ 55) or the Flygbuss for SEK 198 (about US$20) Return. From Bromma, to Stockholm City the Flygbuss is SEK 178 (about US$18), or one can take the Stockholm Public Transport (Stockholms Lokaltrafik or SL) via Bus 112 or the Tram 43 (connecting at Spånga Station with Bus 112). Fares for an Access card valid for 72 hours is SEK 270 (US$ 27)/SEK 170 over 65 (US$ 17) or 7 days for SEK 335 (US$ 34)/SEK 225 (US$ 23) over 65. Note: these will allow transport on any public system, including the famed subway (Tunnelbana) over the time period, not just to/from the airport. From Skavsta, the Flygbuss goes directly to the City Terminal for SEK 318 (US$ 32) Return, or the train from Nyköping central station, which will entail a local bus or taxi ride into town.
Arlanda to Stockholm takes about 18 minutes by train, Skavsta to Stockholm about 80 minutes via bus, and Bromma to Central Stockholm about 30 minutes by local traffic or 15 minutes by Flygbuss.
Travelers from most major cities in North America have good connections, mostly via gateway cities, as most major airlines fly to Stockholm. United Airlines is the only American airline to serve Stockholm directly from Newark, NJ, but other European Airlines such as British Airways (via London Heathrow from numerous cities in North America), Finnair (via Helsinki), Lufthansa (via Frankfurt), KLM (via Amsterdam), or Scandinavian Airlines (direct from 8 US and 2 Canadian cities).
Cheaper options are Icelandair (via Reykjavik) which allows for a stopover in Iceland on the return flight of up to 5 days or Norwegian, both of which offer lower fares for basic travel. For the best rates and routing, it is suggested that either book directly with the airlines or discount travel online at your earliest convenience: fares will rise certainly as the time gets closer, and options for seats, etc. will be less available. It is also suggested for Transatlantic participants that arrival at least a day or two in advance is a good idea to avoid jet lag.