Cheap flights from Ko Samui to Chicago O'Hare Intl Airport from ฿48,508
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Ko Samui to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from Ko Samui (USM) to O'Hare Intl (ORD). 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 1 September 2025.
Round-trip from | ฿48,508 |
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Find flight deals from Ko Samui to O'Hare Intl
Cheapest flights from Ko Samui to O'Hare IntlExplore the most affordable flight options available from Ko Samui to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2025.
Explore the most affordable flight options available from Ko Samui to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Ko Samui to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Ko SamuiChicago
USM - ORD
USMORD
Ko Samui
Fri 10/10
08:00-20:45
2 stops24h 45m
Chicago O'Hare Intl
Mon 13/10
00:30-17:05
2 stops28h 35m
Ko SamuiChicago
USM - ORD
USMORD
Ko Samui
Fri 12/9
10:55-14:25
1 stop39h 30m
Chicago O'Hare Intl
Wed 15/10
23:45-18:00
2 stops30h 15m
Ko SamuiChicago
USM - ORD
USMORD
Ko Samui
Fri 12/9
10:55-14:25
1 stop39h 30m
Chicago O'Hare Intl
Wed 15/10
16:00-18:35
1 stop38h 35m
Best time to book a flight from Ko Samui to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Ko Samui with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Ko Samui to Chicago O'Hare Intl Airport
Related info for your journey
Find useful and relevant information for your journey from Ko Samui to O'Hare Intl. 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 O'Hare Intl
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How does Cheapflights help users find flights from Ko Samui to O'Hare Intl?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ko Samui to O'Hare Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Ko Samui to O'Hare Intl?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ko Samui to O'Hare Intl.
Can Cheapflights find flights from Ko Samui to O'Hare Intl 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 O'Hare Intl, 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 O'Hare Intl become cheaper?
Yes, Cheapflights offers price alerts on Ko Samui to O'Hare Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.