Cheap flights from Ko Samui to Chicago from ฿38,176
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Ko Samui to Chicago
Discover tips and strategies to find the most affordable flight options for your journey from Ko Samui (USM) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 5 July 2025.
Round-trip from | ฿38,176 |
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Find flight deals from Ko Samui to Chicago
Cheapest flights from Ko Samui to ChicagoExplore the most affordable flight options available from Ko Samui to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 July 2025.
Explore the most affordable flight options available from Ko Samui to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Ko Samui to Chicago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 5 July 2025.
Use the filters below to find and compare flights from Ko Samui to Chicago that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Ko SamuiChicago
USM - ORD
USMORD
Ko Samui
Tue 16/9
13:30-14:05
2 stops36h 35m
Chicago O'Hare Intl
Mon 29/9
16:00-13:10
2 stops57h 10m
Ko SamuiChicago
USM - ORD
USMORD
Ko Samui
Wed 17/9
09:15-15:55
2 stops42h 40m
Chicago O'Hare Intl
Tue 30/9
19:05-21:10
2 stops38h 05m
Ko SamuiChicago
USM - ORD
USMORD
Ko Samui
Fri 12/9
08:00-20:45
2 stops24h 45m
Chicago O'Hare Intl
Tue 14/10
00:30-15:10
2 stops26h 40m
Ko SamuiChicago
USM - ORD
USMORD
Ko Samui
Tue 16/9
17:55-15:05
2 stops33h 10m
Chicago O'Hare Intl
Wed 1/10
19:20-11:55
2 stops28h 35m
Ko SamuiChicago
USM - ORD
USMORD
Ko Samui
Fri 12/9
11:25-15:05
2 stops39h 40m
Chicago O'Hare Intl
Wed 15/10
19:20-10:30
2 stops27h 10m
Ko SamuiChicago
USM - ORD
USMORD
Ko Samui
Wed 17/9
10:55-14:25
1 stop39h 30m
Chicago O'Hare Intl
Tue 30/9
16:00-07:20
2 stops27h 20m
Ko SamuiChicago
USM - ORD
USMORD
Ko Samui
Fri 10/10
13:30-09:40
2 stops32h 10m
Chicago O'Hare Intl
Tue 14/10
19:50-17:05
2 stops33h 15m
Best time to book a flight from Ko Samui to Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago from Ko Samui with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Ko Samui to Chicago
What is the cheapest time of day to fly from USM to CHI?
Find hourly flight availability from Ko Samui to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 July 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ko Samui to Chicago as you normally would.
Reviews of airlines servicing Chicago
Get insights into the airlines that provide service to Chicago. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chicago. Reviews last updated 5 July 2025.
Read through reviews of airlines operating flights from Ko Samui to Chicago, such as EVA Air, Cathay Pacific, andสวิส อินเตอร์เนชั่นแนล แอร์ไลน์. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
Comfort
Overall
Entertainment
Boarding
Crew
Reviews
Dale,May 2025
TPE - SFO
Food
Comfort
Overall
Entertainment
Boarding
Crew
Reviews
Dale,May 2025
TPE - SFO
Food
Comfort
Overall
Entertainment
Boarding
Crew
Reviews
Dale,May 2025
TPE - SFO
Food
Comfort
Overall
Entertainment
Boarding
Crew
Reviews
Dale,May 2025
TPE - SFO
Food
Comfort
Overall
Entertainment
Boarding
Crew
Reviews
Dale,May 2025
TPE - SFO
Food
Comfort
Overall
Entertainment
Boarding
Crew
Reviews
Dale,May 2025
TPE - SFO
Related info for your journey
Find useful and relevant information for your journey from Ko Samui to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Ko Samui to Chicago
See prices for flight routes from nearby airports that may be better suited for you.
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Why should you use Cheapflights to find cheap flight tickets from Ko Samui to Chicago?
Cheapflights helps you find that perfect flight to Chicago from Ko Samui by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Ko Samui to Chicago with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Ko Samui to Chicago, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Ko Samui to Chicago become cheaper?
Not ready to book yet? You can track prices for flights from Ko Samui to Chicago on Cheapflights with our Price Alert feature and get notified when better prices are available.