$698+ Cheap flights from Ko Samui (USM) to Chicago (CHI)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
USM — CHI
Nov 21 — Nov 281
Round-trip
1 adult, Economy
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Find cheap flights from Ko Samui to Chicago with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ko Samui to Chicago
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Best
Last-minute
One-way
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 October 22, 2026.
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 October 22, 2026.
This KAYAK deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:15 pm -
2 stops26h 20m
Fri 12/41:15 pm -
2 stops28h 55m
Deal found 10/17![Etihad Airways logo]()
$1,498
This Cathay Pacific deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:40 am -
1 stop37h 50m
Mon 11/162:10 pm -
1 stop40h 25m
Deal found 10/20![Cathay Pacific logo]()
$1,528
This Qatar Airways deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:30 pm -
2 stops31h 00m
Mon 11/166:50 pm -
2 stops52h 05m
Deal found 10/20![Qatar Airways logo]()
$1,540
This EVA Air deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:30 pm -
2 stops35h 05m
Sat 11/1411:30 pm -
2 stops42h 40m
Deal found 10/21![EVA Air logo]()
$1,568
This FlightHub deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/268:30 am -
2 stops24h 05m
Fri 12/411:30 pm -
2 stops27h 10m
Deal found 10/20![EVA Air logo]()
$1,629
This Cathay Pacific deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1011:40 am -
1 stop37h 50m
Sat 11/142:10 pm -
1 stop40h 25m
Deal found 10/21![Cathay Pacific logo]()
$1,635
Best flights from Ko Samui to ChicagoDiscover carefully curated flight deals from Ko Samui to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 22, 2026.
Discover carefully curated flight deals from Ko Samui to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 22, 2026.
This KAYAK deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:15 pm -
2 stops26h 20m
Fri 12/41:15 pm -
2 stops28h 55m
Deal found 10/17![Etihad Airways logo]()
$1,498
This Cathay Pacific deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:40 am -
1 stop37h 50m
Mon 11/162:10 pm -
1 stop40h 25m
Deal found 10/20![Cathay Pacific logo]()
$1,528
This Qatar Airways deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:30 pm -
2 stops31h 00m
Mon 11/166:50 pm -
2 stops52h 05m
Deal found 10/20![Qatar Airways logo]()
$1,540
This EVA Air deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:30 pm -
2 stops35h 05m
Sat 11/1411:30 pm -
2 stops42h 40m
Deal found 10/21![EVA Air logo]()
$1,568
This FlightHub deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/268:30 am -
2 stops24h 05m
Fri 12/411:30 pm -
2 stops27h 10m
Deal found 10/20![EVA Air logo]()
$1,629
This Cathay Pacific deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1011:40 am -
1 stop37h 50m
Sat 11/142:10 pm -
1 stop40h 25m
Deal found 10/21![Cathay Pacific logo]()
$1,635
Last-minute flights from Ko Samui to ChicagoDiscover last-minute flight deals from Ko Samui to Chicago. Data last updated October 22, 2026 and is based on user searches.
Discover last-minute flight deals from Ko Samui to Chicago. Data last updated October 22, 2026 and is based on user searches.
This EVA Air deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:30 pm -
2 stops35h 05m
Sat 11/1411:30 pm -
2 stops42h 40m
Deal found 10/21![EVA Air logo]()
$1,568
This Cathay Pacific deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1011:40 am -
1 stop37h 50m
Sat 11/142:10 pm -
1 stop40h 25m
Deal found 10/21![Cathay Pacific logo]()
$1,635
This Cathay Pacific deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:40 am -
1 stop37h 50m
Mon 11/162:10 pm -
1 stop40h 25m
Deal found 10/20![Cathay Pacific logo]()
$1,528
This Qatar Airways deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:30 pm -
2 stops31h 00m
Mon 11/166:50 pm -
2 stops52h 05m
Deal found 10/20![Qatar Airways logo]()
$1,540
This KAYAK deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:15 pm -
2 stops26h 20m
Fri 12/41:15 pm -
2 stops28h 55m
Deal found 10/17![Etihad Airways logo]()
$1,498
This FlightHub deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/268:30 am -
2 stops24h 05m
Fri 12/411:30 pm -
2 stops27h 10m
Deal found 10/20![EVA Air logo]()
$1,629
One-way flights from Ko Samui to ChicagoSearch for one-way flight options from Ko Samui to Chicago. Find affordable one-way fares based on user searches. Data last updated October 22, 2026.
Search for one-way flight options from Ko Samui to Chicago. Find affordable one-way fares based on user searches. Data last updated October 22, 2026.
This Expedia deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/247:10 pm -
2 stops32h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$698
This Kiwi.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:50 am -
2 stops59h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$718
This oojo deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/311:55 am -
1 stop38h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Cathay Pacific logo]()
$959
This Expedia deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/2411:40 am -
1 stop37h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Cathay Pacific logo]()
$965
This Cathay Pacific deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/311:45 am -
2 stops38h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$995
This oojo deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/111:40 am -
1 stop37h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Cathay Pacific logo]()
$1,128
Find 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 October 22, 2026.
Round-trip from | $1,501 (KAYAK) |
|---|---|
One-way from | $698 (Expedia) |
Cheapflights Fare Finder
Customize 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 7,457,451 searches. Data last updated October 22, 2026.
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
Cheapest round-trip
Quickest round-trip
Ko SamuiChicago
USM Ko Samui - ORD Chicago O'Hare Intl
USMORD
Ko Samui
Sun 1/24
7:10 pm-2:32 pm
2 stops32h 22m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 pm
Nonstop0h 00m
$698
Ko SamuiChicago
USM Ko Samui - ORD Chicago O'Hare Intl
USMORD
Ko Samui
Sat 4/3
11:55 am-1:55 pm
1 stop38h 00m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 pm
Nonstop0h 00m
$959
Ko SamuiChicago
USM Ko Samui - ORD Chicago O'Hare Intl
USMORD
Ko Samui
Sun 1/24
11:40 am-12:30 pm
1 stop37h 50m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 pm
Nonstop0h 00m
$965
Ko SamuiChicago
USM Ko Samui - ORD Chicago O'Hare Intl
USMORD
Ko Samui
Sat 4/3
11:45 am-1:55 pm
2 stops38h 10m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 pm
Nonstop0h 00m
$995
Ko SamuiChicago
USM Ko Samui - ORD Chicago O'Hare Intl
USMORD
Ko Samui
Thu 11/26
6:15 pm-7:35 am
2 stops26h 20m
Chicago O'Hare Intl
Fri 12/4
1:15 pm-7:10 am
2 stops28h 55m
$1,498
Ko SamuiChicago
USM Ko Samui - ORD Chicago O'Hare Intl
USMORD
Ko Samui
Thu 11/12
11:40 am-12:30 pm
1 stop37h 50m
Chicago O'Hare Intl
Mon 11/16
2:10 pm-7:35 pm
1 stop40h 25m
$1,528
Ko SamuiChicago
USM Ko Samui - ORD Chicago O'Hare Intl
USMORD
Ko Samui
Thu 11/12
8:30 pm-2:30 pm
2 stops31h 00m
Chicago O'Hare Intl
Mon 11/16
6:50 pm-11:55 am
2 stops52h 05m
$1,540
Ko SamuiChicago
USM Ko Samui - ORD Chicago O'Hare Intl
USMORD
Ko Samui
Tue 11/10
9:30 pm-7:35 pm
2 stops35h 05m
Chicago O'Hare Intl
Sat 11/14
11:30 pm-7:10 am
2 stops42h 40m
$1,568
Ko SamuiChicago
USM Ko Samui - ORD Chicago O'Hare Intl
USMORD
Ko Samui
Thu 11/26
8:30 am-7:35 pm
2 stops24h 05m
Chicago O'Hare Intl
Fri 12/4
11:30 pm-3:40 pm
2 stops27h 10m
$1,629
Ko SamuiChicago
USM Ko Samui - ORD Chicago O'Hare Intl
USMORD
Ko Samui
Tue 11/10
11:40 am-12:30 pm
1 stop37h 50m
Chicago O'Hare Intl
Sat 11/14
2:10 pm-7:35 pm
1 stop40h 25m
$1,635
Sorted by cheapest first
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.
USM-CHI
USM-ORD
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ko Samui to Chicago
USM-CHI
USM-ORD
No data available for this route at this time. Please check back soon.
The best insider tips for Ko Samui to Chicago flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Ko Samui to Chicago trip
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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.
Traveling to a place near Chicago?
Book flights to Chicago if you plan to visit one of these locationsBenton Harbor
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