How long is the flight from Ko Samui to Chicago O'Hare Intl Airport?

เอทิฮัดแอร์เวย์, EVA Air, and Cathay Pacific can get you from Ko Samui to Chicago O'Hare Intl Airport in just under 26h 20m. Your travel time can differ by up to 11h 30m. The distance between Ko Samui and Chicago O'Hare Intl Airport is about 14219 km. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 43.0 mm.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

What is the cheapest time of day to fly from USM to ORD?

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 O'Hare Intl Airport as you normally would.

What airport do you fly from for flights from Ko Samui to Chicago O'Hare Intl?

Most people fly from Ko Samui (USM) if they book a flight from Ko Samui to Chicago O'Hare Intl. On average, Ko Samui has 0 outbound flights to Chicago O'Hare Intl per day from 0 airlines. Ko Samui is conveniently located just 3.3 km from Ko Samui’s city centre.

Can I find deals for flights from Ko Samui to O'Hare Intl that include hotel bookings?

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

How can I find direct flights from Ko Samui to O'Hare Intl?

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

Can I find deals for business class flights from Ko Samui to O'Hare Intl?

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

฿20,898+ Cheap Flights from Ko Samui to Chicago O'Hare Intl Airport

Cheap flight deals from Ko Samui to O'Hare Intl

Enter your travel dates to find the best prices.

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Cheapest flights from Ko Samui to O'Hare Intl
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 14 October 2026.

Thu 26/1118:15 -

2 stops26h 20m

Fri 4/1213:15 -

2 stops28h 55m

Deal found 10/10฿50,297

Thu 12/1120:30 -

2 stops36h 05m

Mon 16/1123:30 -

2 stops27h 10m

Deal found 12/10฿51,272

Thu 12/1111:40 -

1 stop37h 50m

Mon 16/1114:10 -

1 stop40h 25m

Deal found 12/10฿51,406

Tue 13/1008:45 -

2 stops24h 00m

Tue 13/1000:30 -

2 stops25h 15m

Deal found 9/10฿52,918

Thu 26/1108:30 -

2 stops24h 05m

Fri 4/1223:30 -

2 stops27h 10m

Deal found 10/10฿53,859

Find flight deals from Ko Samui to O'Hare Intl

Round-trip from	฿50,297
One-way from	฿20,898

เอทิฮัดแอร์เวย์
26/11-4/12
4 total stops
55h 15m total
Ko Samui to Chicago

Search Deals

20/10-31/12
2 total stops
31h 33m total
Ko Samui to Chicago

Search Deals

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

Cheapest return flight

Fastest return journey

Ko SamuiChicago

USM Ko Samui - ORD Chicago O'Hare Intl

USMORD

Ko Samui

Tue 20/10

19:10-14:43

2 stops31h 33m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿20,898

Ko SamuiChicago

USM Ko Samui - ORD Chicago O'Hare Intl

USMORD

Ko Samui

Wed 21/10

06:00-06:34

3 stops36h 34m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿28,324

Ko SamuiChicago

USM Ko Samui - ORD Chicago O'Hare Intl

USMORD

Ko Samui

Sat 3/4

11:55-13:55

1 stop38h 00m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿32,927

Ko SamuiChicago

USM Ko Samui - ORD Chicago O'Hare Intl

USMORD

Ko Samui

Sun 25/10

11:40-13:30

1 stop37h 50m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿33,498

Ko SamuiChicago

USM Ko Samui - ORD Chicago O'Hare Intl

USMORD

Ko Samui

Mon 19/10

11:55-13:55

1 stop38h 00m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿41,326

Ko SamuiChicago

USM Ko Samui - ORD Chicago O'Hare Intl

USMORD

Ko Samui

Tue 20/10

11:55-13:55

1 stop38h 00m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿41,326

Ko SamuiChicago

USM Ko Samui - ORD Chicago O'Hare Intl

USMORD

Ko Samui

Thu 26/11

18:15-07:35

2 stops26h 20m

Chicago O'Hare Intl

Fri 4/12

13:15-07:10

2 stops28h 55m

฿50,297

Ko SamuiChicago

USM Ko Samui - ORD Chicago O'Hare Intl

USMORD

Ko Samui

Thu 12/11

20:30-19:35

2 stops36h 05m

Chicago O'Hare Intl

Mon 16/11

23:30-15:40

2 stops27h 10m

฿51,272

Ko SamuiChicago

USM Ko Samui - ORD Chicago O'Hare Intl

USMORD

Ko Samui

Thu 12/11

11:40-12:30

1 stop37h 50m

Chicago O'Hare Intl

Mon 16/11

14:10-19:35

1 stop40h 25m

฿51,406

Ko SamuiChicago

USM Ko Samui - ORD Chicago O'Hare Intl

USMORD

Ko Samui

Thu 26/11

08:30-19:35

2 stops24h 05m

Chicago O'Hare Intl

Fri 4/12

23:30-15:40

2 stops27h 10m

฿51,473

Flights are sorted by cheapest return flights first.

Deals found on 13/10

Sorted by cheapest first

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.

USM-ORD

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.

Related info for your journey

What airport do you fly from for flights from Ko Samui to Chicago O'Hare Intl?
Most people fly from Ko Samui (USM) if they book a flight from Ko Samui to Chicago O'Hare Intl. On average, Ko Samui has 0 outbound flights to Chicago O'Hare Intl per day from 0 airlines. Ko Samui is conveniently located just 3.3 km from Ko Samui’s city centre.
How long is the flight from Ko Samui to Chicago O'Hare Intl Airport?
เอทิฮัดแอร์เวย์, EVA Air, and Cathay Pacific can get you from Ko Samui to Chicago O'Hare Intl Airport in just under 26h 20m. Your travel time can differ by up to 11h 30m. The distance between Ko Samui and Chicago O'Hare Intl Airport is about 14219 km. This flight may include one or multiple stops.
Can I find deals for flights from Ko Samui to O'Hare Intl that include hotel bookings?
Yes. In addition to deals on Ko Samui to O'Hare Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Ko Samui to O'Hare Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ko Samui to O'Hare Intl.
Can I find deals for business class flights from Ko Samui to O'Hare Intl?
Yes. Cheapflights offers flight deals from Ko Samui to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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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.

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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?

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Cheap flights from Ko Samui to Chicago O'Hare Intl Airport from ฿20,898

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/10. 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

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 14 October 2026.

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 14 October 2026.

Best flights from Ko Samui to O'Hare IntlDiscover carefully curated flight deals from Ko Samui to O'Hare Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 October 2026.

Discover carefully curated flight deals from Ko Samui to O'Hare Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 October 2026.

Last-minute flights from Ko Samui to O'Hare IntlDiscover last-minute flight deals from Ko Samui to O'Hare Intl. Data last updated 14 October 2026 and is based on user searches.

Discover last-minute flight deals from Ko Samui to O'Hare Intl. Data last updated 14 October 2026 and is based on user searches.

One-way flights from Ko Samui to O'Hare IntlSearch for one-way flight options from Ko Samui to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 14 October 2026.

Search for one-way flight options from Ko Samui to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 14 October 2026.

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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.

Related info for your journey

What airport do you fly from for flights from Ko Samui to Chicago O'Hare Intl?

How long is the flight from Ko Samui to Chicago O'Hare Intl Airport?

Can I find deals for flights from Ko Samui to O'Hare Intl that include hotel bookings?

How can I find direct flights from Ko Samui to O'Hare Intl?

Can I find deals for business class flights from Ko Samui to O'Hare Intl?

Travelling to a place near Chicago O'Hare Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ko Samui to O'Hare Intl

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Complete your trip

Complete your trip to O'Hare Intl by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Ko Samui to O'Hare Intl by cabin class

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Ko Samui and O'Hare Intl flights

Browse other Ko Samui and O'Hare Intl flight options. Last updated on 14 October 2026.

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Why should you use Cheapflights to find cheap flight tickets from Ko Samui to O'Hare Intl?

Can Cheapflights find flights from Ko Samui to O'Hare Intl with no change fees?

Can Cheapflights notify me if prices for flights from Ko Samui to O'Hare Intl become cheaper?

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Cheapest flights from Ko Samui to O'Hare Intl
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 14 October 2026.

Best flights from Ko Samui to O'Hare Intl
Discover carefully curated flight deals from Ko Samui to O'Hare Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 October 2026.

Last-minute flights from Ko Samui to O'Hare Intl
Discover last-minute flight deals from Ko Samui to O'Hare Intl. Data last updated 14 October 2026 and is based on user searches.

One-way flights from Ko Samui to O'Hare Intl
Search for one-way flight options from Ko Samui to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 14 October 2026.