A350 Europe-Tour by Finnair in October/2015. Booking opened.

Finnair will make short haul familiarization flights all around Europe in October before starting their Long-Haul operation in Asia.

A350 First flights will be domestic flights on 5/October: from Helsinki to Oulu and to Rovaniemi.

And starting on 6/October, London Heathrow and Paris CDG.

In Germany there will be many alternatives to flight in the A350 from Helsinki to Frankfurt, Hamburg, Berlin Tegel, Munich and Dusseldorf.

Other European flights will join Helsinki with Brussels, Copenhagen, Amsterdam, Oslo, Gothenburg and Barcelona.

Source: Clement Alloing

These are the flight numbers and dates published by Finnair:
 

05/Oct Helsinki – Oulu AY369
05/Oct Helsinki – Rovaniemi AY421/428

06/Oct Helsinki – London Heathrow AY831. A350 also operates AY995/996 from 15OCT15 to 15NOV15 on daily basis (except certain dates in Oct 2015)
07/Oct Helsinki – Frankfurt AY821/822 on 07OCT15, 19OCT15, 22OCT15, 09NOV15, 12NOV15,16NOV15
07/Oct Helsinki – Stockholm AY645/650
08/Oct Helsinki – Copenhagen AY667/668. A350 also operates on 18OCT15
08/Oct Helsinki – Paris CDG AY871
09/Oct Helsinki – Amsterdam AY841/842
09/Oct Helsinki – Oslo AY659/660
10/Oct Helsinki – Barcelona AY3271/3270 on 10OCT15, 17OCT15, 24OCT15; AY3269/3272 on 11OCT15, 18OCT15
11/Oct Helsinki – Hamburg AY851/852
12/Oct Helsinki – Brussels AY811/812 Service on 12OCT15, 16OCT15, 20OCT15, 21OCT15,06NOV15, 10NOV15, 13NOV15, 17NOV15, 20NOV15, and Day 34 from 03FEB16
13/Oct Helsinki – Berlin Tegel AY911/912
13/Oct Helsinki – Gothenburg AY677/674
14/Oct Helsinki – Dusseldorf AY703/704
15/Oct Helsinki – Munich AY803/804

And the Long-Haul Operation will start on 25/October with a daily service from Helsinki to Shanghai Pu Dong.

And after that, Beijing, Bangkok, Hong Kong and Singapore:

eff 21NOV15 Helsinki – Beijing 1 daily
eff 01DEC15 Helsinki – Bangkok AY089/090 1 daily (Except selected dates in December)
eff 01FEB16 Helsinki – Hong Kong 1 daily
eff 28MAR16 Helsinki – Singapore Initially 4 of 7 weekly