June is the cheapest month to fly this route, with average fares around $742 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $824 | $732 | ||
| June 2026 | $742 | $635 | Best | |
| July 2026 | $830 | $749 | ||
| August 2026 | $850 | $798 | Peak |
Departing on Wednesday offers the lowest average fares at $763. Friday departures are the most expensive at $825, a difference of $62.
The best time to fly is June. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from Houston to Lima is June, with average round-trip fares around $742. The lowest fare found in June is $635.
Wednesday departures are the cheapest, averaging $763 round trip. The most expensive day is Friday at $825.
Based on current pricing trends, booking for June travel offers the best value. Avoid August if possible, as fares average $850 compared to $742 in the cheapest month. July is a solid middle-ground option at $830.
Flying in June instead of August can save you approximately $108 per round trip. The cheapest month averages $742 while the most expensive averages $850.
Airlines, flight times, price calendar, and more for Houston to Lima
View IAH → LIM Details