Google Data Reveals the Best Times to Book Flights for the Cheapest Airfare
4 min read
If you’re looking to save some money on your next flight, check with Google before you hit the buy button.
Planning a vacation can be stressful — and expensive — especially during peak travel seasons like the summer or the holidays. The good news? Our CNET experts have gathered a wealth of travel tips to help you find affordable flights and pack like a pro. That includes a deep dive into key insights from Google Flights data, so you can make smarter, more informed decisions when booking airfare.
Never miss out on the cheapest airfare again.
When is the best time to book a flight in every season?
Here’s what Google says about the best times to book holiday flights and vacation trips to certain popular destinations.
Summer break: The cheapest domestic flights in July and August are usually available 13 to 43 days in advance, with 21 days before departure being the cheapest day on average to book.
Thanksgiving: The cheapest domestic flights over the Thanksgiving holiday are usually available 26 to 59 days in advance, with 45 days out being the cheapest — meaning it’s best to book Thanksgiving flights in early October.
Christmas: The cheapest domestic flights over the winter holidays are usually available 36 to 72 days in advance, with 58 days out being the cheapest. It’s best to book Christmas or holiday travel in the latter half of October.
Spring break: The cheapest domestic flights in March and April are available between 33 to 59 days in advance, with 44 days before departure being the cheapest time to book on average.
When is the best time to book a flight to Europe?
International flights to Europe from the US are usually cheaper 50 or more days before departure, with 94 days out being the cheapest day to book on average. As with all international travel, it’s generally best practice to book as early as you can.
When is the best time to book a flight to Mexico or the Caribbean?
International flights to Mexico and the Caribbean are the one exception to the broader international trend, according to Google. That’s because flights are generally at their lowest between 26 and 68 days in advance, with 44 days out being the cheapest.
For more, check out CNET’s picks for the best travel credit cards in 2025. You can also explore the 12 travel essentials you always need to pack and the worst airlines for flight delays and cancellations.
