Booking via low-cost carrier Norwegian is allowing to book very cheap air tickets on long-haul flights from Oslo to Bangkok starting at €394 or you can fly from Berlin for €490. Flights are possible to find between August and October 2013 that means out of the main tourist season.
The weather in Bangkok during the Rainy Season is surprising not as wet as you might think.
The rainy season starts in early July with thunderstorms in the the late afternoon or early evening. These storms can be quite heavy and with gusty winds. As the season progresses the rainfall can increase, but most commonly still as brief periods of heavy rain with the rest of the day being fine or overcast.
In case of interest please visit Norwegian web pages directly, booking samples below.
Norwegian offers up to 20kg checked-in luggage on a long-haul flights.