1. From the UK and Germany

From the UK:

The easiest way to get to Guadeloupe is with Airfrance. This will take you from London to Guadeloupe.
www.airfrance.com

Useful tip!

As Guadeloupe is an overseas department of France it benefits from daily reduced rate flights, Paris to Guadeloupe. This is a good option if you are looking to save money.

The two main flight companies are
www.airfrance.com    (Several flight daily Paris Charles de Gaulle/ Orly – Guadloupe)
www.corsairfly.com  (flights depart daily Paris Orly – Guadeloupe)

Transport to Paris from the UK

By Train:
From the UK

Getting to Paris is easy!
Eurostar is a good option particularly with the reduced rate for under 25s
www.eurostar.com

By Plane:
From the UK
There are also many flight companies with very cheap prices.
www.thomsonfly.com  (Coventry –Paris)
www.airfrance.com (Birmingham, Manchester, Bristol, London)
www.easyjet.com ( Luton, Glasgow, Bristol, Liverpool, Newcastle)
www.ryanair.com

 
Transport to Paris from Germany

By Train:
There are often very cheap trains with Thalys 
www.thalys.com

By Plane:
www.airberlin.com (Berlin) 
www.tuifly.com (Hannover, Stuttgart)