The strategy is this: book flights and accommodation separately, book flights first (6–8 weeks out for domestic, 10–14 weeks for international), and use accommodation rate alerts to grab drops. Simple in theory; most families do not actually do it. Here is the full system.
Step 1 — Flight timing: The domestic sweet spot for family flights is Tuesday and Wednesday departures, booked 6 weeks out. We track flight prices daily using Google Flights price alerts starting 10 weeks before departure. When the price drops to our target, we book immediately. For Mexico from the US Midwest, our target is under $300 per adult return. We hit it about 70% of the time with this approach.
Step 2 — Accommodation alerts: Once flights are booked, we lock in accommodation using Airbnb "price drop" alerts and Booking.com's "genius" discounts. We also check both platforms for the same property — the same vacation rental is sometimes listed on both at different prices, and the difference can be $15–25/night. Over 10 nights, that is $150–250.
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Step 3 — The credit card layer: We book all travel on a cash-back travel credit card that earns 3x points on flights and hotels. Over a year of family travel, the points cover one round-trip domestic flight — essentially a free flight every year just from normal travel spending. This is the easiest $300+ annual saving that most families leave on the table.
Step 4 — The package trap: We never book packages (flight + hotel bundles) from third-party sites. Despite looking like a deal, packages lock you into specific properties and airlines, often forfeit flexibility, and prevent you from using your credit card benefits properly. The hotel in a package deal is often one that is struggling to fill rooms — not a sign of a great property. Book everything separately, always.
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