Question: what is the maximum allowed size for a carry on bag for int’l flights through London Heathrow?
i am going on vacation to tanzania, the london flights are:

Chicago (O’Hare) to Heathrow
Heathrow to Nairobi, Kenya

Johannesburg, South Africa to Heathrow
Heathrow to Chicago

PLEASE, LIST YOUR SOURCE!!!

Thanks!
(tanzania vacation)

Best answer:

Answer by tonalc1
Passengers are allowed to carry ONE item of hand baggage, no larger than:

*
56 centimetres tall (approximately 22 inches)
*
45 centimetres wide (approximately 17.7 inches)
*
25 centimetres deep (approximately 10 inches)