Europe by air (http://www.europebyair.com/)
Europebyair.com focuses on offering travelers in Europe the best deals in air travel.
Airtimetable is dedicated to finding obscure airfares, including airpass, around the world, and consolidator fares. Travel tools include airline and airport locator as well as airline timetables, discount airline locator, currency converter, and real time airport arrival and departure information.
Research flight, hotel and car reservations and get detailed destination information such as city guides, subway maps and weather reports.
WhichBudget is one of the leading budget airlines directories, featuring dozens of airlines from around the world.
Airline and Airport Links (http://www.airlineandairportlinks.com/)
An exhaustive database of links to airline and airport websites of the world, including three-letter airport codes and two-letter airline codes.
Airlines of the World (http://www.kls2.com/airlines/)
Links to airline home pages are grouped by location of their home countries.
Airport Hotel Directory (http://www.airportdestinations.com/)
The online discount reservations system for hotels located in or adjacent to major airports Worldwide.
Airwise - The Airport and Air Travel Guide (http://www.airwise.com/)
Providing detailed air travel news and information about airlines, airports, aviation and the air travel industry.
Budget Traveller's Guide to Sleeping in Airports (http://www.sleepinginairports.net/)
This site contains ratings of airports as well as train stations and other strange places experienced and contributed by travelers.
Directory of National & International Airports and IATA Codes (http://www.travelnotes.org/Airports/)
The Airport Directory helps you find the websites of National and International Airports - along with airport codes, which airline flies where, destination information, how to get there and all about ground transportation and airport facilities around the world.
To and From the Airport (http://www.toandfromtheairport.com/)
How to get to and from hundreds of the world´s airports by car, bus, train & other forms of public transport.