But determining just when that right time is can be tricky.
TripAdvisor just released a list that shows the least expensive times for booking a summertime hotel room in 25 popular cities across the globe.
To do this, the company analyzed hotel bookings and interest on their website for the months of June, July, and August, and determined the percentage of savings you can get in comparison to when the hotels are at their most expensive rates.
Whether you're considering visiting Buenos Aires, Argentina, or Sydney, here's when you should book your room.
BANGKOK, THAILAND: Book three months before your trip for 16% savings.
BARCELONA, SPAIN: Book two to seven months before your trip for 27% savings.
BEIJING, CHINA: Book two to six months before your trip for 16% savings.
BERLIN, GERMANY: Book two to five months before your trip for 33% savings.
BUENOS AIRES, ARGENTINA: Book one to four months before your trip for 19% savings.
CANCUN, MEXICO: Book two to four months before your trip for 16% savings.
CAPE TOWN, SOUTH AFRICA: Book three months before your trip for 13% savings.
DUBAI, UNITED ARAB EMIRATES: Book two months before your trip for 40% savings.
DUBLIN, IRELAND: Book two to five months before your trip for 14% savings.
HANOI, VIETNAM: Book three months before your trip for 16% savings.
ISTANBUL, TURKEY: Book five months before your trip for 29% savings.
JAKARTA, INDONESIA: Book three months before your trip for 39% savings.
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LONDON, ENGLAND: Book three to five months before your trip for 18% savings.
MARRAKESH, MOROCCO: Book four months before your trip for 28% savings.
MOSCOW, RUSSIA: Book four to seven months before your trip for 55% savings.
MUMBAI, INDIA: Book three months before your trip for 17% savings.
NEW YORK CITY, NEW YORK: Book two to four months before your trip for 25% savings.
ORLANDO, FLORIDA: Book one to four months before your trip for 10% savings.
PARIS, FRANCE: Book four months before your trip for 32% savings.
PRAGUE, CZECH REPUBLIC: Book two to five months before your trip for 33% savings.
RIO DE JANEIRO, BRAZIL: Book three to five months before your trip for 11% savings.
ROME, ITALY: Book three to five months before your trip for 32% savings.
SINGAPORE: Book two weeks to five months before your trip for 26% savings.
SYDNEY, AUSTRALIA: Book five months before your trip for 34% savings.
TOKYO, JAPAN: Book two to five months before your trip for 31% savings.
