Almost 1000 mourners congregated in colour at Beaumaris Secondary College in Melbourne's bayside on Monday afternoon to pay tribute to Ms Bowles.
For many it was their second funeral in four days after saying goodbye to Ms Jones at nearby Mentone Girls' Grammar on Friday.
Best friends Holly Bowles and Bianca Jones died after consuming methanol in drinks on a Lao holiday. (HANDOUT/BEAUMARIS FOOTBALL CLUB)
The pair died from methanol poisoning after falling ill while holidaying in Laos after consuming drinks in the tourist town of Vang Vieng last month.
Ms Bowles died in a Bangkok hospital on November 22, a day after Ms Jones died in another hospital in the Thai capital.
Songs at Monday's service included Chappelle Roan's Red Wine Supernova, Chihiro by Billie Eilish and ABBA's Mamma Mia which played alongside a photo tribute to Ms Bowles' life.
People lined the street to farewell 19-year-old Holly Bowles. (Con Chronis/AAP PHOTOS)
Family and friends formed a guard of honour after the funeral as the teenager's coffin was slowly driven away from her old school.
Beaumaris Secondary College's Acting Principal, Peter Bartlett, thanked people across Australia and overseas for their "love, support and compassion in the wake of the tragedy".
"Your kindness has been a source of strength and comfort for our family," Mr Bartlett said in a statement on behalf of Ms Bowles' parents Shaun and Samantha, and brother James, before the service.
Both women's families have asked people to donate to a GoFundMe appeal in lieu of flowers.
The fundraiser has received more than $414,000 and was to help with the families' financial burdens before being expanded to help raise awareness about the dangers of methanol poisoning.
Ms Jones was farewelled in similarly emotional service attended by more than 1000 community members at her old school on Friday.
The school's grounds were also filled with guests in colourful summer clothes, the way Ms Jones' family said she lived her life and how she would wish to be remembered.
The pair did not leave their dorm at the Nana Backpacker Hostel 24 hours after going to Jaidee Bar in Laos and reported feeling sick on November 13, before being rushed to hospitals in Bangkok.
An American man, two Danish women and a British woman were among the six foreigners who also died and at least eight people, believed to be hotel staff and management, have been detained.
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