To book the cheapest flight to Lima, consider the following tips: Be flexible with your travel dates: If you have the flexibility to choose your travel dates, try searching for flights on different days of the week or during different seasons to find the best prices. Often, mid-week flights or flights during the shoulder seasons can be less expensive. Plan in advance: Booking your flight well in advance can often help you secure better prices. Start searching for flights several months before your intended travel dates to increase your chances of finding cheaper options. Use flight search engines and compare prices: Utilize reputable flight search engines such as Skyscanner, Kayak, or Google Flights to compare prices from different airlines. These platforms can help you find the best deals and provide insights into the cheapest flights available. Consider alternative airports or routes: Sometimes, flying to nearby airports or taking connecting flights can be more cost-effective. Explore options that involve layovers or consider nearby cities with good transportation connections to Lima. Sign up for fare alerts: Many airlines and travel websites offer fare alerts that notify you when prices drop for flights to your desired destination. Signing up for these alerts can help you stay informed and take advantage of any price reductions. Be mindful of additional costs: When comparing prices, consider any additional costs such as baggage fees, seat selection fees, or other add-ons that may vary across airlines. These costs can impact the overall affordability of your flight.