Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Singapore to Monterrey as you normally would.
Yes, there are multiple flights from Singapore to Monterrey for under S$ 2,400. The cheapest flight booked recently is on American Airlines for just S$ 2,323, but on average you can expect to pay S$ 2,477.
While on average a flight from Singapore to Monterrey is generally S$ 1,508, our data shows the cheapest flight currently is S$ 978. When looking at the most popular route, (Singapore Changi - Monterrey Gen Mariano Escobedo), you can expect to pay S$ 1,707 for that flight.