releases 2017 'When to Buy' airfare study has released the findings of its Annual Airfare Study, which crunched 921 million airfares from 2.9 million trips to find the best and worst times to buy an airline ticket, the company said.

For the second consecutive year, the study found that 54 days out is, on average, when travelers can get the best deals on domestic flights. However, the best timing depends on when and where passengers fly.

The Airfare Study identifies five booking windows. Approximately 6 — 11 months in advance, when flights first open for sale, fares tend to be on the high side. From 3½ — 6 months in advance, fares are at a modest premium but options abound. From 3 weeks — 3½ months in advance, airfares are the cheapest, on average. This is typically the best time to buy airline tickets. During the period 2 — 3 weeks in advance, fares can vary dramatically but are often rising significantly, particularly as flights fill to popular destinations. Lastly, 0 — 2 weeks in advance, airfares are highest. also found that there is, on average, less than a 0.6% (less than USD 2) difference between purchase days of week. However, the day of the actual flight is a different matter. Tuesday and Wednesday are the cheapest days to fly, and Sunday is the most expensive, with an average difference of USD 73.

Calabasas, California-based and its team of over 100 travel enthusiasts use cutting edge technology, a boatload of airfare data, and superior customer service to make it easier and less stressful to buy affordable airline tickets. Its proprietary airfare shopping engine uses a patented algorithm to find low prices, and shows fares and flight options in a simple, easy to navigate display that includes which flights have which inflight amenities.