About 9 hours, 52 minutes
The calculation of flight time is based on the straight line flight distance from London, United Kingdom to Aruba (as the crow flies), which is about 4,683 miles or 7 536 kilometers. Your trip begins in London, United Kingdom. It ends in Aruba. Flying time from LGW to Aruba. The total flight duration from LGW to Aruba is 9 hours, 51 minutes. This assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/h or 434 knots. It also adds an extra 30 minutes for take-off and landing. Your exact time may vary depending on wind speeds. Flying time from London, United Kingdom to Aruba. The total flight duration from London, United Kingdom to Aruba is 9 hours, 52 minutes. This assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/h or 434 knots. It also adds an extra 30 minutes for take-off and landing. A flight time of under 10 hours may be expected from Gatwick Airport in London, England to Aruba. Specifically, the distance from London to Aruba is 4,683 miles (7,536 kilometers; 4,069 nautical miles). The two cities are not in the same time zone. London is 4 hours ahead of Aruba.
http://www.travelmath.com/flying-time/from/London,+United+Kingdom/to/Aruba http://www.travelmath.com/flying-time/from/LGW/to/Aruba http://www.travelmath.com/flying-time/from/London,+United+Kingdom/to/Aruba http://www.answers.com/Q/What_is_the_flight_time_from_Gatwick_Airport_in_London_England_to_Aruba
how long is the flight to aruba from london