Do any airlines still allow smoking on-board international flights, or is this something that has been banned across the board everywhere? If this is because of fire hazard regulations, what about e-cigarettes?
I believe this chart will be of use to you.
I used to wonder why they even bothered to have "No smoking" signs, but now I realise - Air Algeria, Cubana, Garuda, Iran Air and more still allow smoking in certain sections.
The chart is quite old, but my friend flew Cubana at the end of 2010 and confirmed that there was smoking onboard his flight then.
According to Answers.com:
Nosmoke.org recognises that 2010 marked the 20 year Anniversary of smokefree U.S. domestic flights, and the ten year anniversary of smokefree flights in and out of the United States.
And according to the New York Times, smoking was ALWAYS permitted on the Concorde.
In addition, several flyertalk forums refer to attempts to start smokers-only airlines, although these ideas seem to largely have been all hot air, gone up in smoke, or flamed out...
Even if the airline permits it, local airspace laws may not. For example, Australian federal law makes it a criminal offence to smoke in any aircraft while flying in or through Australian airspace. It is also a criminal offence to disregard an instruction from flight crew (such as being asked to not to smoke or use an nicotine inhaler or electronic cigarette). You may find your one act ends up breaking several laws.
In addition, some countries have treaties which ban smoking on flights between those two countries. Again for example, it is illegal to smoke at any time on any flight between Australia and the United States, and if you do you may find law enforcement waiting for you at your destination.
EDIT: The quoted article dates back 2009. As e-cigarettes become more popular, this answer may be less acurate.
Electronic cigarette might be an option on some non-smoking non-US flights. The best is to ask to cabin members:
protected by Community♦ Jun 3 '14 at 6:25
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