Aircourier.org
Membership site that guarantees budget travel prices. Destination list, contact details, customer stories, services list, independent reviews and a signup form are available.
http://www.aircourier.org/

1stAir.Net
Specializing in reduced international business and first class travel. Flight schedules, pricing, membership program, services list and around the world specials.
http://www.1st-air.net/

International Association of Air Travel Couriers
A clearing house for consumers who fly as couriers to save money on international flights. Established 1989.
http://www.courier.org

QIXO
Compare airfares from major travel sites. Alerts available, for when airfares drop to a specified price.
http://qixo.com/

Economy Travel
Offers published and consolidator international airline fares. An online booking form is available for flights, cars, insurance and hotels.
http://www.economytravel.com

Harvest International Travel
Offers discounted international airfares, specializing in church, missionary and non-profit travel. Customer comments, contact information, resources, mission statement and instructions on how to obtain a quote.
http://ministrytravel.com

SkyScanner
Price comparison of fares for flights within Europe by route. Online search form and flight maps.
http://www.skyscanner.net

Plane Tickets
Practical advice for locating cheap tickets. Provides daily updated deals from major airlines, traveller tips and links to useful sites, airlines, consolidators, travel agencies, destinations, airports and cruise lines.
http://www.planetickets.com/

Airline Network PLC
International accredited travel agency. An online booking form is available for flights, hotels, cars, insurance, and holiday packages.
http://www.airline-network.co.uk

Wings Across Continents Travel Service
Specializes in hotel, car, train and flight bookings for major cities throughout China. Online reservations form, tour-guides and airline timetables are available.
http://www.wacts.com/

Satellite Travel
Travel agent offers low cost charter flights from UK airports to European ski destinations, Greece and to the island of Lefkas. Flight booking engine, train schedules, policies and contact information are available.
http://www.satellitetravel.co.uk

PR Aviation
Low cost carrier search. Online reservation form, contact details and news updates available.
http://www.pr-aviation.com

Travelation
Specializes in selling last minute airline tickets to the general public. Travel tools, featured flight deals and online booking engine.
http://www.travelation.com

ASAP Tickets Economy
Offers national and international discounted airfares. Online quoting engine, specific travel details can be requested by filling in an information request form, or by live support quoting a given reference number.
http://www.asaptickets.com

Jetabroad
IATA Accredited travel agency specializing in competitive priced airline tickets, hotels, cars and travel insurance. Flight search engine provides access to 450+ airline reservation systems.
http://www.jetabroad.com/