AIRLINES SERVING EASTERN EUROPE (Budget Airlines highlighted in red):

Ada Air, Tirana
Adria Airways, Ljubljana
Aer Lingus, Dublin
Aeroflot, Moscow
Aerosvit, Kyiv
Air Baltic, Riga
Air Berlin, Berlin

Air Canada, Toronto
Air France, Paris
Air India, Delhi
Air Malta, Valetta
Air Moldova, Chisinau
Air Polonia, Warsaw

Air Slovakia, Bratislava
Albanian Airlines, Tirana
Alitalia, Rome
American Airlines, Dallas/Chicago/New York
ANA (All Nippon Airways), Tokyo
Austrian Airlines, Vienna
Balkan, Belgrade
Belavia, Minsk
British Airways, London
Bulgaria Air, Sofia
Cathay Pacific, Hong Kong
Croatia Airlines, Zagreb
CSA (Czech Airlines), Prague
Delta Airlines, Atlanta
Easyjet, London Luton

El Al, Tel Aviv
Emirates, Dubai
Estonian Air, Tallinn
Finnair, Helsinki
Germania Express, Düsseldorf/Berlin/Munich
Hemus Air, Sofia
Iberia, Madrid
Japan Airlines, Tokyo
JAT, Begrade
KLM, Amsterdam
Kosova Airlines, Prishtina
Lithuanian Airlines, Vilnius
LOT Polish Airlines, Warsaw
Lufthansa, Frankfurt
Macedonian Airlines, Skopje
Malev, Budapest
Moldavian Airlines, Chisinau
Montenegro Airlines, Podgorica
Olympic Airways, Athens
Pulkovo, St. Petersburg
Royal Jordanian, Amman
Ryanair, Dublin/London
SAS Scandinavian Airlines, Copenhagen
Siberia Airlines, Novosibirsk/Moscow/Irkutsk
Sky Europe Airlines, Warsaw/Vienna-Bratislava/Budapest
Slovak Airlines, Bratislava
SN Brussels Airlines, Brussels
Swiss International Airlines, Zurich
Tarom Romanian Air Transport, Bucharest
Thai International Airways, Bangkok
Transaero, Moscow
Turkish Airlines, Istanbul
Ukraine International Airlines, Kyiv
Wizzair

Recommended air-ticket websites:

www.ebookers.com
www.opodo.com
www.flybudget.com
www.itasoftware.com
www.statravel.com

Car Rental:

Avis
Budget
Europcar
Hertz

Train:

Deutsche Bahn: Particularily useful online resource for timetables in CEE
www.raileurope.com: Train fares, schedules, rail and youth passes