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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.
USM — CHI
10 Jul — 17 Jul1
1 adult

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
ลุฟท์ฮันซ่า
  • ลุฟท์ฮันซ่า
  • 16/9-29/9
  • 4 total stops
  • 93h 45m total
  • Ko Samui to Chicago
Search Deals

Find flight deals from Ko Samui to Chicago

Cheapest flights from Ko Samui to Chicago
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.

Tue 16/913:30USM - ORD
2 stops36h 35mลุฟท์ฮันซ่า
Mon 29/916:00ORD - USM
2 stops57h 10mลุฟท์ฮันซ่า
Deal found 4/7฿38,176
Wed 17/909:15USM - ORD
2 stops42h 40mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Tue 30/919:05ORD - USM
2 stops38h 05mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Deal found 4/7฿42,673
Fri 12/908:00USM - ORD
2 stops24h 45mEVA Air
Tue 14/1000:30ORD - USM
2 stops26h 40mEVA Air
Deal found 3/7฿42,997
Tue 16/917:55USM - ORD
2 stops33h 10mQatar Airways
Wed 1/1019:20ORD - USM
2 stops28h 35mQatar Airways
Deal found 4/7฿45,358
Fri 12/911:25USM - ORD
2 stops39h 40mMultiple Airlines
Wed 15/1019:20ORD - USM
2 stops27h 10mMultiple Airlines
Deal found 3/7฿46,264
Wed 17/910:55USM - ORD
1 stop39h 30mCathay Pacific
Tue 30/916:00ORD - USM
2 stops27h 20mCathay Pacific
Deal found 4/7฿47,494
Fri 10/1013:30USM - ORD
2 stops32h 10mเตอร์กิชแอร์ไลน์
Tue 14/1019:50ORD - USM
2 stops33h 15mเตอร์กิชแอร์ไลน์
Deal found 2/7฿50,308

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

Ko Samui

Fly to

Chicago

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

฿38,176

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

฿42,673

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

฿42,997

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

฿45,358

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

฿46,264

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

฿47,494

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

฿50,308

Flights are sorted by cheapest return flights first.

Deals found on 4/7

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.
Estimated return 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

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.
EVA Air
8.4
Very Good
1,209 reviews
Check prices

Food

8.1

Comfort

8.3

Overall

8.4

Entertainment

8.0

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very Good
1,209 reviews
EVA Air
8.4
Very Good
1,209 reviews
Check prices

Food

8.1

Comfort

8.3

Overall

8.4

Entertainment

8.0

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Cathay Pacific
7.6
Good
921 reviews
EVA Air
8.4
Very Good
1,209 reviews
Check prices

Food

8.1

Comfort

8.3

Overall

8.4

Entertainment

8.0

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
สวิส อินเตอร์เนชั่นแนล แอร์ไลน์
7.5
Good
1,649 reviews
EVA Air
8.4
Very Good
1,209 reviews
Check prices

Food

8.1

Comfort

8.3

Overall

8.4

Entertainment

8.0

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Qatar Airways
7.4
Good
3,590 reviews
EVA Air
8.4
Very Good
1,209 reviews
Check prices

Food

8.1

Comfort

8.3

Overall

8.4

Entertainment

8.0

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
เตอร์กิชแอร์ไลน์
7.3
Good
3,889 reviews
EVA Air
8.4
Very Good
1,209 reviews
Check prices

Food

8.1

Comfort

8.3

Overall

8.4

Entertainment

8.0

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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.

  • What airport do you fly from for flights from Ko Samui to Chicago?

    Located just 3.3 km from the city centre, Ko Samui is the airport most travellers will use when flying to Chicago from Ko Samui. Booking flights from Ko Samui (USM) to Chicago should be relatively easy as there are 0 daily outbound flights to Chicago from 0 different airlines.

  • Can I find deals for flights from Ko Samui to Chicago that include hotel bookings?

    Yes. In addition to deals on Ko Samui to Chicago flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ko Samui to Chicago?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ko Samui to Chicago.

  • Can I find deals for business class flights from Ko Samui to Chicago?

    Yes. Cheapflights offers flight deals from Ko Samui to Chicago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Ko Samui to Chicago

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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.

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