The former military pilot, 34, and the Suits alum, 37, “will be expanding Harry’s Sentebale charity during the trip,” an insider confirmed Us Weekly.
In October, Archie will be nearly 5 months old.
No word whether Meghan's mother Doria Ragland will join.
Prince George was just 9 months old when he came with mum Kate Middleton and dad Prince William for his first official royal tour of Australia and New Zealand.
WATCH BELOW: ONE OF GEORGE'S MOST ICONIC MOMENTS WAS HIS ADORABLE REACTION TO SEEING A BILBY FOR THE FIRST TIME.
Prince William's little brother is said to expand his charity Sentable when in Malawi.
Prince Henry of Wales founded the charity alongside his friend Prince Seeiso of Lesotho back in 2006.
Sentable supports young people affected by HIV and AIDS in Lesotho, Botswana and Malawi.
The Sussex royal trio are said to go to Angola, which royal fans will remember as the spot Princess Diana visited.
She famously and bravely walked through the active landmine area without hesitation.
The visual of her in the African country, dressed in protective gear along with a visor is still cherished to this day.
Prince Harry and Meghan Markle welcomed their royal baby on May 6th, 2019.
“We are pleased to announce that Their Royal Highnesses The Duke and Duchess of Sussex welcomed their firstborn child in the early morning on May 6th, 2019,” the pair wrote on Instagram.
“Their Royal Highnesses’ son weighs 7lbs. 3oz. The duchess and baby are both healthy and well, and the couple thank members of the public for their shared excitement and support during this very special time in their lives. More details will be shared in the forthcoming days.”
WATCH BELOW: PRINCE HARRY RECENTLY LEFT LONDON FOR A ROYAL TOUR OF AFRICA BEFORE HE AND MEGHAN WELCOMED ARCHIE.
And apparently, young Archie made a secret royal appearance with the royal family.
The royal was at Buckingham Palace for Trooping the Colour according to an insider.
“Archie was at Trooping the Colour,” a British source told Us Weekly.
“[It] was a chance for him to meet some of his cousins (including Prince George, Princess Charlotte and Prince Louis).”
WATCH HIS MUM AND DAD WOW AT THE FUN ROYAL EVENT THAT CELEBRATES THE QUEEN.