July is the cheapest month to fly this route, with average fares around $385 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $427 | $356 | Peak | |
| June 2026 | $395 | $324 | ||
| July 2026 | $385 | $316 | Best | |
| August 2026 | $425 | $404 |
Departing on Wednesday offers the lowest average fares at $362. Monday departures are the most expensive at $421, a difference of $59.
The best time to fly is July. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from Mexico City to San Jose is July, with average round-trip fares around $385. The lowest fare found in July is $316.
Wednesday departures are the cheapest, averaging $362 round trip. The most expensive day is Monday at $421.
Based on current pricing trends, booking for July travel offers the best value. Avoid May if possible, as fares average $427 compared to $385 in the cheapest month. August is a solid middle-ground option at $425.
Flying in July instead of May can save you approximately $42 per round trip. The cheapest month averages $385 while the most expensive averages $427.
Airlines, flight times, price calendar, and more for Mexico City to San Jose
View MEX → SJO Details