2019 Travel Hacker Methodology

Unless otherwise indicated, we considered searches conducted on the US KAYAK site for round-trip, economy flights, excluding price outliers based on certain criteria. All hotel searches include properties with at least 3 stars and a certain minimum click threshold. Excludes airport properties and outliers based on certain price criteria. All weather data sourced from public sources on the internet.

Top 10 Trending New Year’s Eve Destinations
Flight Destinations with the Greatest YoY increase in searches of the top 100 most searched destinations for travel dates starting 12/26/2019-12/31/2019 and ending 01/01/2020 - 01/05/2020 and search dates 01/01/2019-08/19/2019.
Change in Popularity (YoY increase) based on search traffic change from previous year for travel dates starting 12/26/2018-12/31/2018 and ending 01/01/2019 - 01/06/2019.
Median Airfare Histogram: Median airfare by month for destinations based on travel dates 12/26/2019 - 01/31/2020 and search dates 01/01/2019 - 08/19/2019. For destinations not directly located in an international airport city, the closest international airport was considered for airfare.
When to Book: Median airfare as a function of weeks before departure for travel dates 12/26/2018 - 01/06/2019 and search dates 06/01/2018 - 12/31/2018. For destinations not directly located in an international airport city, the closest international airport was considered for airfare.
Median Hotel Rate Histogram: Median hotel rate by month for destinations based on travel dates 12/26/2019 - 01/31/2020 and search dates 01/01/2019 - 08/19/2019.
Top Trending Hotels: Based on search traffic change from travel dates starting 12/26/2019-12/31/2019 and ending 01/01/2020 - 01/05/2020 vs. the previous year. Destinations include 3+ star properties based on number of available properties. Those destinations with minimal 3+ star properties or none at all were excluded from the list.
Top 10 Wallet-Friendly North American Destinations
Flight Destinations with the lowest median airfare of the top 100 most clicked destinations based on travel dates 11/22/2019 - 01/05/2020 and search dates 01/01/2019-08/19/2019. Filtered by only North American destinations (defined as US, CA, MX and the Caribbean).
Median airfare percent difference based on comparison to median airfare for all North American flights (defined as US, CA, MX and the Caribbean) for travel and search dates indicated above.
Median Airfare Histogram: Median airfare by month for destinations based on travel dates 11/22/2019 - 01/31/2020 and search dates 01/01/2019-08/19/2019.
When to Book: Median airfare as a function of weeks before departure based on travel dates 11/23/2018 - 01/06/2019 and search dates 06/01/2018 - 12/31/2018.
Median Hotel Rate Histogram: Median hotel rate by month for destination based on travel dates 11/22/2019 - 01/31/2020 and search dates 01/01/2019-08/19/2019.
Wallet-Friendly Hotels: Based on lowest median hotel rate for 3+ star properties only for travel dates 11/22/2019 - 01/31/2020 and search dates 01/01/2019-08/19/2019. Those destinations with minimal clicks and minimal 3+ star properties or none at all were excluded from the list.
Top 10 Trending Ski Destinations
Ski destinations with the Greatest YoY % increase from a list of ski destinations curated by the KAYAK Marketing team based on travel dates 11/22/2019 - 01/05/2020 and search dates 01/01/2019-08/19/2019.
Change in Popularity (YoY increase) based on search traffic change from previous year for travel dates 11/22/2019 - 01/05/2020.
Median Airfare Histogram: Median airfare by month for destinations based on travel dates 11/22/2019 - 01/31/2020 and search dates 01/01/2019-08/19/2019. For destinations not directly located in an international airport city, the closest international airport was considered for airfare.
When to Book: Median airfare as a function of weeks before departure based on travel dates 11/23/2018 - 01/06/2019 and search dates 06/01/2018 - 12/31/2018. For destinations not directly located in an international airport city, the closest international airport was considered for airfare.
Median Hotel Rate Histogram: Median hotel rate by month for destination based on travel dates 11/22/2019 - 01/31/2020 and search dates 01/01/2019-08/19/2019.
Top Trending Hotels: Based on search traffic change from travel dates 11/22/2019 - 01/31/2020 vs. previous year. Destinations include 3+ star properties based on number of available properties. Those destinations with minimal 3+ star properties or none at all were expanded to include surrounding cities with properties in driving distance of the ski destination.
When to Book: Thanksgiving
Best time to book: Based on 7-day moving average of daily median airfare trends for travel dates 11/22/2019-12/03/2019 and search dates 06/01/2018 - 12/31/2018. Broken out by international and domestic flights.
When to Fly: Median airfare as a function of day of the week based on travel dates 11/17/2018 - 12/03/2018 and search dates 01/01/2018 - 12/31/2018. Broken out by international and domestic flights.
When to Book: Christmas
Best time to book: Based on 7-day moving average of daily median airfare trends for travel dates 12/21/2018 - 01/06/2019 and search dates 06/01/2018 - 12/31/2018. Broken out by international and domestic flights.
When to Fly: Median airfare as a function of day of the week based on travel dates 12/21/2018 - 01/06/2019 and search dates 01/01/2018 - 12/31/2018. Broken out by international and domestic flights.
When to Book: New Year’s Eve
Best time to book: Based on 7-day moving average of daily median airfare trends for travel dates 12/26/2018 - 01/06/2019 and search dates 06/01/2018 - 12/31/2018. Broken out by international and domestic flights.
When to Fly: Median airfare as a function of day of the week based on travel dates 12/26/2018 - 01/06/2019 and search dates 01/01/2018 - 12/31/2018. Broken out by international and domestic flights.