Travellers have found it’s best to book a flight 34 days in advance to save up to 0% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 34 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Koh Samui to Chicago 1-2 weeks in advance for as low as ฿27,085, or ฿27,085 for flights within the next 24 hours.
Due to multiple factors, expect to potentially pay more when booking in January. For low rates, August can be a great choice for travel to Chicago. Flights to Chicago from Koh Samui in August are about ฿27,870 on average during August, but can be found for as low as ฿23,944.
With an average temperature of 33 °C, peak weather can be found in May. As a traveller, expect to see changes in flight prices during that period. The temperatures in Chicago are colder than in Koh Samui.