To save on the cost of your flight from Harlingen to Mexico City, book at least 49 days before your planned departure. Booking around this time can save you about 21% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $281 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $281.
The best pricing can be found in the month of May. Prices to Mexico City from Harlingen average $246. You can even find prices in May for less than $246, as users have found deals to Mexico City from as low as $183. The month of December appears to be one of the more expensive times to travel to Mexico City from Harlingen. Flying in the targeted month can save you up to 61%.