Statistics on Chicago-Thailand flights: what is the right price and when to buy your plane ticket?
Flights to Thailand from Chicago
The average price to go to Thailand from Chicago is $ 1364 (round trip). It varies from $ 1165 (Bangkok) to $ 1560 (Koh Samui) depending on the destination. The information below allows you to know the average price of Chicago-Thailand flights on average throughout the year and month by month, as well as the best time to buy your plane tickets for different cities: Bangkok, Phuket, Koh Samui and Chiang Mai.
| City | Average price | Cheapest months to travel | When to buy? | Details |
|---|---|---|---|---|
| Bangkok | $ 1165 | january, february, march, april, may, september (the cheapest), october, november | 7 to 8 months | Flight price Chicago-Bangkok |
| Phuket | $ 1366 | february, march, april, september (the cheapest), october, november | 7 to 8 months | Flight price Chicago-Phuket |
| Koh Samui | $ 1560 | january, february, march, april, september (the cheapest), october, november | 2 to 3 months | Flight price Chicago-Koh Samui |
| Chiang Mai | $ 1367 | february, march, april, may, september, october (the cheapest), november | 9 to 10 months | Flight price Chicago-Chiang Mai |
Round-trip airfare price Chicago-Thailand month by month
| Month | Average price | Our opinion |
|---|---|---|
| January | $ 1102 to $ 1564 | fair price |
| February | $ 1018 to $ 1468 | good price |
| March | $ 999 to $ 1521 | good price |
| April | $ 979 to $ 1338 | good price |
| May | $ 1099 to $ 1286 | fair price |
| June | $ 1571 to $ 1816 | very high price |
| July | $ 1462 to $ 1919 | very high price |
| August | $ 1294 to $ 1765 | high price |
| September | $ 975 to $ 1206 | good price |
| October | $ 982 to $ 1274 | good price |
| November | $ 1039 to $ 1264 | good price |
| December | $ 1458 to $ 2291 | very high price |
How are these data calculated?
We have studied a sample of 60025 airfare prices from previous years for flights to Thailand from Chicago and can thus establish precise and credible price variation trends based on different parameters. Of course, prices can vary from year to year, but the seasonal aspect of this data (recurrence of school holidays, events... from year to year) makes these statistics quite reliable.
The GOOD price of a flight to Thailand from Chicago
Average price per month for a round trip flight to Bangkok in Thailand
The average price for a round trip flight from Chicago to Bangkok is $ 1165. You can pay less by using the statistics below and choosing a departure month where the price is usually low (see chart below). For more details, visit the page on the price of Chicago-Bangkok flights.
To get the best price...
take a flight with layover
leave on a wednesday
come back on a wednesday
Data analysis:
Travel to Bangkok in Thailand in september to get the best price ($ 975, saving $ 191 compared to the average price for the year which is $ 1165). Avoid the month of june which is statistically the most expensive ($ 1571, which is $ 407 more than the average price).
Monthly prices in detail for Chicago-Bangkok and other statistics
Average price per month for a round trip flight to Phuket in Thailand
The average price for a round trip flight from Chicago to Phuket is $ 1366. You can pay less by using the statistics below and choosing a departure month where the price is usually low (see chart below). For more details, visit the page on the price of Chicago-Phuket flights.
To get the best price...
take a flight with layover
leave on a tuesday
come back on a monday
Data analysis:
Travel to Phuket in Thailand in september to get the best price ($ 1135, saving $ 231 compared to the average price for the year which is $ 1366). Avoid the month of december which is statistically the most expensive ($ 1712, which is $ 347 more than the average price).
Monthly prices in detail for Chicago-Phuket and other statistics
Average price per month for a round trip flight to Koh Samui in Thailand
The average price for a round trip flight from Chicago to Koh Samui is $ 1560. You can pay less by using the statistics below and choosing a departure month where the price is usually low (see chart below). For more details, visit the page on the price of Chicago-Koh Samui flights.
To get the best price...
take a flight with layover
leave on a wednesday
come back on a wednesday
Data analysis:
Travel to Koh Samui in Thailand in september to get the best price ($ 1199, saving $ 362 compared to the average price for the year which is $ 1560). Avoid the month of december which is statistically the most expensive ($ 2291, which is $ 731 more than the average price).
Monthly prices in detail for Chicago-Koh Samui and other statistics
Average price per month for a round trip flight to Chiang Mai in Thailand
The average price for a round trip flight from Chicago to Chiang Mai is $ 1367. You can pay less by using the statistics below and choosing a departure month where the price is usually low (see chart below). For more details, visit the page on the price of Chicago-Chiang Mai flights.
To get the best price...
take a flight with layover
leave on a wednesday
come back on a monday
Data analysis:
Travel to Chiang Mai in Thailand in october to get the best price ($ 1170, saving $ 198 compared to the average price for the year which is $ 1367). Avoid the month of july which is statistically the most expensive ($ 1705, which is $ 339 more than the average price).
Monthly prices in detail for Chicago-Chiang Mai and other statistics
Top prices Chicago-Thailand
| Round trip | Dates | Price | |
|---|---|---|---|
| Chicago → Bangkok | 03-09 to 24-09-2025 | $ 838 | layover flight with ANA |
| Chicago → Bangkok | 08-09 to 17-09-2025 | $ 809 | layover flight with ANA |
| Chicago → Bangkok | 20-10 to 27-10-2025 | $ 825 | layover flight with Korean Air |
| Chicago → Bangkok | 03-11 to 11-11-2025 | $ 829 | layover flight with Korean Air |
| Chicago → Bangkok | 05-11 to 26-11-2025 | $ 829 | layover flight with Korean Air |
| Chicago → Bangkok | 10-11 to 17-11-2025 | $ 827 | layover flight with Korean Air |
| Chicago → Bangkok | 11-11 to 25-11-2025 | $ 827 | layover flight with Korean Air |
| Chicago → Bangkok | 12-11 to 26-11-2025 | $ 829 | layover flight with Korean Air |
| Chicago → Bangkok | 17-11 to 24-11-2025 | $ 825 | layover flight with Korean Air |
| Chicago → Bangkok | 01-12 to 08-12-2025 | $ 827 | layover flight with Korean Air |
When to buy plane tickets to go to Thailand (from Chicago)?
The best time to buy your plane ticket from Chicago to Bangkok
The price of tickets to Bangkok fluctuates depending on how far in advance you book. The graph below shows the average price of tickets based on the number of months before departure. Another important factor is the day of booking. According to our calculations, to get a cheaper flight from Chicago to Bangkok, you should buy your ticket on a saturday. For more details, please visit the when to buy plane tickets to Bangkok page.
Data analysis:
Buy your plane ticket to go to Bangkok in Thailand 7 to 8 months before departure to get the best price (the average price in this range is $ 1079 , which is $ 86 savings compared to the overall average price). However, do not buy your ticket 11 to 12 months in advance or you will pay a high price ($ 412 more than the average price).
When to buy your Chicago-Bangkok flight ticket and other statistics
The best time to buy your plane ticket from Chicago to Phuket
The price of tickets to Phuket fluctuates depending on how far in advance you book. The graph below shows the average price of tickets based on the number of months before departure. Another important factor is the day of booking. According to our calculations, to get a cheaper flight from Chicago to Phuket, you should buy your ticket on a wednesday. For more details, please visit the when to buy plane tickets to Phuket page.
Data analysis:
Buy your plane ticket to go to Phuket in Thailand 7 to 8 months before departure to get the best price (the average price in this range is $ 1171 , which is $ 195 savings compared to the overall average price). However, do not buy your ticket 11 to 12 months in advance or you will pay a high price ($ 177 more than the average price).
When to buy your Chicago-Phuket flight ticket and other statistics
The best time to buy your plane ticket from Chicago to Koh Samui
The price of tickets to Koh Samui fluctuates depending on how far in advance you book. The graph below shows the average price of tickets based on the number of months before departure. Another important factor is the day of booking. According to our calculations, to get a cheaper flight from Chicago to Koh Samui, you should buy your ticket on a monday. For more details, please visit the when to buy plane tickets to Koh Samui page.
Data analysis:
Buy your plane ticket to go to Koh Samui in Thailand 2 to 3 months before departure to get the best price (the average price in this range is $ 1487 , which is $ 73 savings compared to the overall average price). However, do not buy your ticket 0 to 1 month in advance or you will pay a high price ($ 103 more than the average price).
When to buy your Chicago-Koh Samui flight ticket and other statistics
The best time to buy your plane ticket from Chicago to Chiang Mai
The price of tickets to Chiang Mai fluctuates depending on how far in advance you book. The graph below shows the average price of tickets based on the number of months before departure. Another important factor is the day of booking. According to our calculations, to get a cheaper flight from Chicago to Chiang Mai, you should buy your ticket on a friday. For more details, please visit the when to buy plane tickets to Chiang Mai page.
Data analysis:
Buy your plane ticket to go to Chiang Mai in Thailand 9 to 10 months before departure to get the best price (the average price in this range is $ 1169 , which is $ 199 savings compared to the overall average price). However, do not buy your ticket 0 to 1 month in advance or you will pay a high price ($ 122 more than the average price).
When to buy your Chicago-Chiang Mai flight ticket and other statistics