Yes, there are available flights to Iceland.
You would expect it to be just like any other flight you've taken. You'd be on the plane and just wait to get to Lanzarote. You'd eat food on the plane and probably watch movies/sleep.
Yes, there are same-day round-trip flights available for this route.
No, there are no airlines that permit smoking on their flights. Smoking has been banned on all commercial flights since the late 1990s due to health and safety concerns.
To find available flights from anywhere to a specific destination, you can use online flight search engines like Google Flights, Skyscanner, or Expedia. Simply enter your destination and select "Everywhere" or "Any" as your departure location to see a list of available flights from various locations to your desired destination.
No, smoking is prohibited on all commercial airlines worldwide.
Yes, there are direct flights available from Gatwick Airport to various destinations.
There are typically three types of flights available for your destination: direct flights, connecting flights, and non-stop flights. Direct flights go from your departure city to your destination with one or more stops, but you stay on the same plane. Connecting flights involve changing planes at a connecting airport. Non-stop flights go directly from your departure city to your destination without any stops.
For major commercial flights, an airport. For smaller flights an airstrip. For flights in bush planes, any reasonably flat bit of ground or frozen lake (pontoon planes do not need the lake to be frozen)
Lanzarote is the 4th largest island in the Canary Islands. It is volcanic in origin and about 125 kilometres from the nearest continent. It does not "belong" to any continent.
"No, nobody has any free flights to Seattle. There are many cheap flights available to Seattle, but aside from winning a contest of some sort or cashing in some frequent flyer miles you will not be able to find a free flight."
No non-stop flights via a commercial airline are offered from any New York City or vicinity airport are available, however there are plenty with 1 or 2 stops available. The only way to fly non-stop would be to charter a private jet.