To save on the cost of your flight from San Diego to Monterrey, book at least 15 days before your planned departure. Booking around this time can save you about 11% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $302 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $361.
October can be a great time to fly to Monterrey from San Diego with a flight ticket averaging about $319. Cheapflights users have found deals in the month of October for as cheap as $160. The most expensive prices can be found in the month of April.
When flying from San Diego to Monterrey, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.