Useful links for budget travelers
Low-cost airlines
www.lowcost.com (who flies where)
www.skyscanner.net (compares over 1000 airlines to find the cheapest flights)
http://drungli.com (choice of cheap destinations for specified city)
http://www.lowfares.com/
www.wizzair.com
www.ryanair.com
www.vueling.com
www.easyjet.com
www.skyeurope.com
www.germanwings.com
www.flybe.com
www.flyniki.com
www.flyairone.com
www.flypgs.com (Turkey, Europe)
www.flydubai.com (Asia and Africa through Dubai, UAE)
www.airarabia.com (Asia and Africa through Sharjah, UAE)
www.westjet.com (Canada)
airtran.com (USA, Central America, Caribbean)
www.allegiantair.com (USA)
flyfrontier.com (USA, Central America, Caribbean)
jetblue.com (USA, Central America, Caribbean, Columbia)
southwest.com (USA)
spirit.com (USA, Central America, Caribbean, Columbia, Peru)
suncountry.com (USA, Central America, Caribbean)
virginamerica.com (USA, Mexico)
www.voeazul.com.br (Brazil)
interjet.com (Mexico)
www.vivaaerobus.com (Mexico)
volaris.mx (Mexico)
www.springairlines.com (China)
www.airindiaexpress.in (India, Southeastern Asia, Emirates)
www.goair.in (India)
www.goindigo.in (India, Southeastern Asia, Emirates, Nepal)
www.citilink.co.id (Indonesia)
www.mandalaair.com (Indonesia, Southeastern Asia)
www.airasia.com (Indonesia, Japan, Southeastern Asia)
mihinlanka.com (Sri Lanka, India, Southeastern Asia, Emirates)
www.nokair.com (Thailand)
www.vietjetair.com (Vietnam, Thailand)
www.jetstar.com (Vietnam, Taiwan, China, Singapore)
www.kulula.com (Southern Africa)
jetstar.com (Australia, New Zealand, Fiji, Southeastern Asia)
Railways
www.raileurope.com
www.eurorailways.com
www.sncf.com (France)
www.thalys.com (France, Belgium, Netherlands, Western Germany)
www.bahn.de (Germany)
www.trenitalia.com (Italy)
www.renfe.com (Spain)
www.pkp.pl (Poland)
Buses
www.eurolines.com
www.polskibus.com (Poland)
www.alsa.es (Spain)
www.cyprusbybus.com (Cyprus)
Cheap hotels, bed and breakfast, hostels and apartments
www.booking.com
www.agoda.com
www.hotelscombined.com
www.airbnb.com
www.bedandbreakfast.com
www.venere.com
www.hotels4u.com
www.hostels.com
www.hostelworld.com
.
Thank you for good list of useful links !