Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Santiago de Querétaro as you normally would.
Due to multiple factors, expect to potentially pay more when booking in June. For low rates, July can be a great choice for travel to Santiago de Querétaro. Flights to Santiago de Querétaro from Washington, D.C. Reagan-National Airport in July are about $688 on average during July, but can be found for as low as $518.
To save up to 16% on this flight, we recommend booking at least 61 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Washington, D.C. Reagan-National Airport to Santiago de Querétaro from $721 1-2 weeks out and tickets from $797 for flights departing within the next 72 hours.