When did momondo last update prices for flights from Ko Samui Airport to Chicago?

Prices for flights from Ko Samui Airport to Chicago are updated daily.

How old do you have to be to fly from Ko Samui Airport to Chicago?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ko Samui Airport to Chicago.

What documentation or ID do you need to fly to Chicago?

The travel and health documents you'll need for your trip to Chicago may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$96 Cheap Flights from Ko Samui to Chicago in 2025/26

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Find the cheapest flights from Ko Samui to Chicago

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9:35 am - 7:35 pmUSM-ORD

23h 00m2 stops

11:30 pm - 2:55 pmORD-USM

26h 25m2 stops

$1,229EVA Air

Find Deal

Thu, Nov 13 - Sat, Nov 15

11:40 am - 12:55 pmUSM-ORD

38h 15m1 stop

2:35 pm - 7:35 pmORD-USM

40h 00m1 stop

$1,285Cathay Pacific

Find Deal

Thu, Nov 13 - Sun, Nov 16

8:45 pm - 7:35 pmUSM-ORD

35h 50m2 stops

11:30 pm - 3:35 pmORD-USM

27h 05m2 stops

$1,288EVA Air

Find Deal

Wed, Nov 12 - Sun, Nov 16

8:30 am - 7:35 pmUSM-ORD

24h 05m2 stops

11:30 pm - 8:10 amORD-USM

43h 40m2 stops

$1,299EVA Air

Find Deal

Wed, Nov 12 - Thu, Nov 13

11:40 am - 12:55 pmUSM-ORD

38h 15m1 stop

2:35 pm - 7:35 pmORD-USM

40h 00m1 stop

$1,350Cathay Pacific

Find Deal

Thu, Nov 13 - Mon, Nov 17

7:55 am - 7:35 pmUSM-ORD

24h 40m2 stops

11:30 pm - 2:55 pmORD-USM

26h 25m2 stops

$1,366EVA Air

Find Deal

Fri, Nov 14 - Tue, Nov 18

9:35 am - 7:35 pmUSM-ORD

23h 00m2 stops

11:30 pm - 4:25 pmORD-USM

27h 55m2 stops

$1,376EVA Air

Find Deal

Fri, Nov 14 - Tue, Nov 18

9:35 am - 7:35 pmUSM-ORD

23h 00m2 stops

11:30 pm - 2:55 pmORD-USM

26h 25m2 stops

$1,411EVA Air

Find Deal

Sun, Nov 16 - Sun, Nov 16

7:35 pm - 10:05 amUSM-ORD

27h 30m2 stops

11:50 am - 9:05 amORD-USM

32h 15m2 stops

$1,439Turkish Airlines

Find Deal

Wed, Nov 12 - Fri, Nov 14

7:55 am - 7:35 pmUSM-ORD

24h 40m2 stops

11:30 pm - 5:40 pmORD-USM

29h 10m2 stops

$1,505EVA Air

Find Deal

Fri, Nov 14 - Tue, Nov 18

EVA Air flights from Ko Samui to Chicago

Our best EVA Air deals on Ko Samui to Chicago flight tickets

EVA Air

Nov 13

USM9:35 amKo Samui

23h 00m

2 stops

ORD7:35 pmChicago O'Hare Intl

Nov 15

ORD11:30 pmChicago O'Hare Intl

26h 25m

2 stops

USM2:55 pmKo Samui

$1,229

Find similar

EVA Air

Nov 12

USM8:45 pmKo Samui

35h 50m

2 stops

ORD7:35 pmChicago O'Hare Intl

Nov 16

ORD11:30 pmChicago O'Hare Intl

27h 05m

2 stops

USM3:35 pmKo Samui

$1,288

Find similar

EVA Air

Nov 12

USM8:30 amKo Samui

24h 05m

2 stops

ORD7:35 pmChicago O'Hare Intl

Nov 13

ORD11:30 pmChicago O'Hare Intl

43h 40m

2 stops

USM8:10 amKo Samui

$1,299

Find similar

Cathay Pacific flights from Ko Samui to Chicago

Our best Cathay Pacific deals on Ko Samui to Chicago flight tickets

Cathay Pacific

Nov 13

USM11:40 amKo Samui

38h 15m

1 stop

ORD12:55 pmChicago O'Hare Intl

Nov 16

ORD2:35 pmChicago O'Hare Intl

40h 00m

1 stop

USM7:35 pmKo Samui

$1,285

Find similar

Cathay Pacific

Nov 13

USM11:40 amKo Samui

38h 15m

1 stop

ORD12:55 pmChicago O'Hare Intl

Nov 17

ORD2:35 pmChicago O'Hare Intl

40h 00m

1 stop

USM7:35 pmKo Samui

$1,350

Find similar

Cathay Pacific

Nov 12

USM11:40 amKo Samui

38h 15m

1 stop

ORD12:55 pmChicago O'Hare Intl

Nov 14

ORD2:35 pmChicago O'Hare Intl

40h 00m

1 stop

USM7:35 pmKo Samui

$1,665

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Thu 11/13

9:35 am-7:35 pm

2 stops23h 00m

Chicago O'Hare Intl

Sat 11/15

11:30 pm-2:55 pm

2 stops26h 25m

$1,229

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Thu 11/13

11:40 am-12:55 pm

1 stop38h 15m

Chicago O'Hare Intl

Sun 11/16

2:35 pm-7:35 pm

1 stop40h 00m

$1,285

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Wed 11/12

8:45 pm-7:35 pm

2 stops35h 50m

Chicago O'Hare Intl

Sun 11/16

11:30 pm-3:35 pm

2 stops27h 05m

$1,288

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Wed 11/12

8:30 am-7:35 pm

2 stops24h 05m

Chicago O'Hare Intl

Thu 11/13

11:30 pm-8:10 am

2 stops43h 40m

$1,299

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Thu 11/13

11:40 am-12:55 pm

1 stop38h 15m

Chicago O'Hare Intl

Mon 11/17

2:35 pm-7:35 pm

1 stop40h 00m

$1,350

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Fri 11/14

7:55 am-7:35 pm

2 stops24h 40m

Chicago O'Hare Intl

Tue 11/18

11:30 pm-2:55 pm

2 stops26h 25m

$1,366

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Fri 11/14

9:35 am-7:35 pm

2 stops23h 00m

Chicago O'Hare Intl

Tue 11/18

11:30 pm-4:25 pm

2 stops27h 55m

$1,376

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Sun 11/16

9:35 am-7:35 pm

2 stops23h 00m

Chicago O'Hare Intl

Sun 11/16

11:30 pm-2:55 pm

2 stops26h 25m

$1,411

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Wed 11/12

7:35 pm-10:05 am

2 stops27h 30m

Chicago O'Hare Intl

Fri 11/14

11:50 am-9:05 am

2 stops32h 15m

$1,439

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Fri 11/14

7:55 am-7:35 pm

2 stops24h 40m

Chicago O'Hare Intl

Tue 11/18

11:30 pm-5:40 pm

2 stops29h 10m

$1,505

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Ko Samui to Chicago

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Tuesday when prices can be found for as low as $347. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ko Samui to Chicago for around $697.

What is the cheapest time of day to depart on your flight to Chicago?

Our most recent data shows that the best time of day to fly to Chicago is in the evening. Flights from Ko Samui to Chicago during this time can be as low as $189. In contrast, the most expensive time of day to depart to Chicago is in the morning when prices are around $492.

When to book flights from Ko Samui to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from Ko Samui to Chicago according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ko Samui to Chicago (USM to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ko Samui to Chicago

Direct flights	None

There are no direct flights from Ko Samui to Chicago. There are no popular flight routes from Ko Samui to Chicago.

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How far is Ko Samui to Chicago by plane?
There are 8846.2 mi between Ko Samui and Chicago. By plane, this route typically takes 23h 00m.
When did momondo last update prices for flights from Ko Samui Airport to Chicago?
Prices for flights from Ko Samui Airport to Chicago are updated daily.
How old do you have to be to fly from Ko Samui Airport to Chicago?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ko Samui Airport to Chicago.
What documentation or ID do you need to fly to Chicago?
The travel and health documents you'll need for your trip to Chicago may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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Why use momondo?

Why should I use momondo to find a flight deal from Ko Samui to Chicago?

Finding the right flight to Chicago from Ko Samui is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chicago quick and easy, saving you time and money.

Can I find flights from Ko Samui to Chicago with flexible booking policies on momondo?

Flights from Ko Samui to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Ko Samui to Chicago?

Once you have performed a search for Ko Samui to Chicago flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Ko Samui to Chicago right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ko Samui to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.