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Cheap flights from Chicago to Ko Samui from $482

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Chicago to Ko Samui

Cheap round-trip flights

Enter your travel dates to find the best prices.
Cathay Pacific Logo
4:15 pm - 7:40 pmORD  Chicago O'Hare Intl-USM Ko Samui
39h 25m1 stop Hong Kong Intl
Cathay Pacific Logo
11:55 am - 1:55 pmUSM  Ko Samui-ORD Chicago O'Hare Intl
38h 00m1 stop Hong Kong Intl
$864Cathay Pacific
Wed, Oct 7 - Wed, Oct 14
Multiple Airlines Logo
4:15 pm - 12:45 pmORD  Chicago O'Hare Intl-USM Ko Samui
32h 30m2 stops Hong Kong Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
2:35 pm - 1:55 pmUSM  Ko Samui-ORD Chicago O'Hare Intl
35h 20m2 stops Bangkok Suvarnabhumi Hong Kong Intl
$882Multiple Airlines
Wed, Oct 7 - Wed, Oct 14
Multiple Airlines Logo
2:10 pm - 7:10 amORD  Chicago O'Hare Intl-USM Ko Samui
28h 00m2 stops Hong Kong Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
4:30 pm - 12:55 pmUSM  Ko Samui-ORD Chicago O'Hare Intl
33h 25m2 stops Bangkok Suvarnabhumi Hong Kong Intl
$883Multiple Airlines
Tue, Nov 24 - Tue, Dec 8
Multiple Airlines Logo
4:15 pm - 12:45 pmORD  Chicago O'Hare Intl-USM Ko Samui
32h 30m2 stops Hong Kong Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
2:00 pm - 1:55 pmUSM  Ko Samui-ORD Chicago O'Hare Intl
35h 55m2 stops Bangkok Suvarnabhumi Hong Kong Intl
$884Multiple Airlines
Sun, Sep 27 - Sun, Oct 4
Multiple Airlines Logo
2:10 pm - 7:10 amORD  Chicago O'Hare Intl-USM Ko Samui
28h 00m2 stops Hong Kong Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
1:45 pm - 12:30 pmUSM  Ko Samui-ORD Chicago O'Hare Intl
35h 45m2 stops Bangkok Suvarnabhumi Hong Kong Intl
$896Multiple Airlines
Tue, Nov 24 - Tue, Dec 8
Multiple Airlines Logo
4:15 pm - 8:15 amORD  Chicago O'Hare Intl-USM Ko Samui
28h 00m2 stops Hong Kong Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
2:35 pm - 1:55 pmUSM  Ko Samui-ORD Chicago O'Hare Intl
35h 20m2 stops Bangkok Suvarnabhumi Hong Kong Intl
$903Multiple Airlines
Sun, Sep 27 - Sun, Oct 4
Multiple Airlines Logo
4:15 pm - 12:45 pmORD  Chicago O'Hare Intl-USM Ko Samui
32h 30m2 stops Hong Kong Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
2:00 pm - 1:55 pmUSM  Ko Samui-ORD Chicago O'Hare Intl
35h 55m2 stops Bangkok Suvarnabhumi Hong Kong Intl
$932Multiple Airlines
Fri, Oct 2 - Sat, Oct 10
Multiple Airlines Logo
2:10 pm - 7:10 amORD  Chicago O'Hare Intl-USM Ko Samui
28h 00m2 stops Hong Kong Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
2:05 pm - 12:55 pmUSM  Ko Samui-ORD Chicago O'Hare Intl
35h 50m2 stops Bangkok Suvarnabhumi Hong Kong Intl
$934Multiple Airlines
Fri, Jan 29 - Sat, Feb 6
Multiple Airlines Logo
2:10 pm - 7:10 amORD  Chicago O'Hare Intl-USM Ko Samui
28h 00m2 stops Hong Kong Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
1:45 pm - 12:30 pmUSM  Ko Samui-ORD Chicago O'Hare Intl
35h 45m2 stops Bangkok Suvarnabhumi Hong Kong Intl
$943Multiple Airlines
Fri, Jan 29 - Sat, Feb 6
Multiple Airlines Logo
4:15 pm - 7:40 pmORD  Chicago O'Hare Intl-USM Ko Samui
39h 25m1 stop Hong Kong Intl
Multiple Airlines Logo
2:35 pm - 1:55 pmUSM  Ko Samui-ORD Chicago O'Hare Intl
35h 20m2 stops Bangkok Suvarnabhumi Hong Kong Intl
$1,131Multiple Airlines
Fri, Oct 2 - Sat, Oct 10

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EVA Air flights from Chicago to Ko Samui

Our best EVA Air deals on Chicago to Ko Samui flight tickets
EVA Air
Sep 13
ORD12:30 amChicago O'Hare Intl
26h 55m
2 stops
USM3:25 pmKo Samui
Sep 17
USM8:45 amKo Samui
24h 00m
2 stops
ORD8:45 pmChicago O'Hare Intl
$1,145
EVA Air
Sep 19
ORD12:30 amChicago O'Hare Intl
28h 05m
2 stops
USM4:35 pmKo Samui
Sep 27
USM8:35 pmKo Samui
36h 10m
2 stops
ORD8:45 pmChicago O'Hare Intl
$1,155
EVA Air
Sep 13
ORD12:30 amChicago O'Hare Intl
26h 55m
2 stops
USM3:25 pmKo Samui
Sep 17
USM9:15 amKo Samui
23h 30m
2 stops
ORD8:45 pmChicago O'Hare Intl
$1,181

Cathay Pacific flights from Chicago to Ko Samui

Our best Cathay Pacific deals on Chicago to Ko Samui flight tickets
Cathay Pacific
Oct 7
ORD4:15 pmChicago O'Hare Intl
39h 25m
1 stop
USM7:40 pmKo Samui
Oct 14
USM11:55 amKo Samui
38h 00m
1 stop
ORD1:55 pmChicago O'Hare Intl
$864
Cathay Pacific
Sep 5
ORD4:00 pmChicago O'Hare Intl
39h 40m
1 stop
USM7:40 pmKo Samui
Sep 19
USM11:55 amKo Samui
38h 00m
1 stop
ORD1:55 pmChicago O'Hare Intl
$920
Cathay Pacific
Sep 20
ORD4:15 pmChicago O'Hare Intl
39h 25m
1 stop
USM7:40 pmKo Samui
Sep 27
USM11:55 amKo Samui
38h 00m
1 stop
ORD1:55 pmChicago O'Hare Intl
$1,238

momondo Fare Finder

 
Use the filters below to find and compare flights from Chicago to Ko Samui that are best for you.

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Route

Depart

Return

Price

Cheapest round-trip

ChicagoKo Samui

ORD Chicago O'Hare Intl - USM Ko Samui

ORDUSM

Chicago O'Hare Intl

Wed 10/7

4:15 pm-7:40 pm

1 stop39h 25m

Ko Samui

Wed 10/14

11:55 am-1:55 pm

1 stop38h 00m

$864

ChicagoKo Samui

ORD Chicago O'Hare Intl - USM Ko Samui

ORDUSM

Chicago O'Hare Intl

Wed 10/7

4:15 pm-12:45 pm

2 stops32h 30m

Ko Samui

Wed 10/14

2:35 pm-1:55 pm

2 stops35h 20m

$882
Quickest round-trip

ChicagoKo Samui

ORD Chicago O'Hare Intl - USM Ko Samui

ORDUSM

Chicago O'Hare Intl

Tue 11/24

2:10 pm-7:10 am

2 stops28h 00m

Ko Samui

Tue 12/8

4:30 pm-12:55 pm

2 stops33h 25m

$883

ChicagoKo Samui

ORD Chicago O'Hare Intl - USM Ko Samui

ORDUSM

Chicago O'Hare Intl

Sun 9/27

4:15 pm-12:45 pm

2 stops32h 30m

Ko Samui

Sun 10/4

2:00 pm-1:55 pm

2 stops35h 55m

$884

ChicagoKo Samui

ORD Chicago O'Hare Intl - USM Ko Samui

ORDUSM

Chicago O'Hare Intl

Tue 11/24

2:10 pm-7:10 am

2 stops28h 00m

Ko Samui

Tue 12/8

1:45 pm-12:30 pm

2 stops35h 45m

$896

ChicagoKo Samui

ORD Chicago O'Hare Intl - USM Ko Samui

ORDUSM

Chicago O'Hare Intl

Sun 9/27

4:15 pm-8:15 am

2 stops28h 00m

Ko Samui

Sun 10/4

2:35 pm-1:55 pm

2 stops35h 20m

$903

ChicagoKo Samui

ORD Chicago O'Hare Intl - USM Ko Samui

ORDUSM

Chicago O'Hare Intl

Fri 10/2

4:15 pm-12:45 pm

2 stops32h 30m

Ko Samui

Sat 10/10

2:00 pm-1:55 pm

2 stops35h 55m

$932

ChicagoKo Samui

ORD Chicago O'Hare Intl - USM Ko Samui

ORDUSM

Chicago O'Hare Intl

Fri 1/29

2:10 pm-7:10 am

2 stops28h 00m

Ko Samui

Sat 2/6

2:05 pm-12:55 pm

2 stops35h 50m

$934

ChicagoKo Samui

ORD Chicago O'Hare Intl - USM Ko Samui

ORDUSM

Chicago O'Hare Intl

Fri 1/29

2:10 pm-7:10 am

2 stops28h 00m

Ko Samui

Sat 2/6

1:45 pm-12:30 pm

2 stops35h 45m

$943

ChicagoKo Samui

ORD Chicago O'Hare Intl - USM Ko Samui

ORDUSM

Chicago O'Hare Intl

Fri 10/2

4:15 pm-7:40 pm

1 stop39h 25m

Ko Samui

Sat 10/10

2:35 pm-1:55 pm

2 stops35h 20m

$1,131

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ko Samui from

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

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

How often are flights from Chicago to Ko Samui delayed?

Historically, on average around 20% of flights between Chicago and Ko Samui have experienced a delay on any given week. The average delay length over the past 12 months has been 121 minutes.

What is the most punctual flight time for Chicago to Ko Samui flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Chicago to Ko Samui flights?

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 17% of their flights experiencing any sort of delay.

When to book flights from Chicago to Ko Samui

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

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

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

Best Price Found

$482

Fastest flight time

26h 05m

Direct flights

None
The best one-way flight to Ko Samui from Chicago in the past 72 hours is $482. The best round-trip flight deal from Chicago to Ko Samui found on momondo in the last 72 hours is $864.
The fastest flight from Chicago to Ko Samui takes 26h 05m
There are no direct flights from Chicago to Ko Samui. There are no popular flight routes from Chicago to Ko Samui.
Search flight deals

Frequently asked questions about flying from Chicago to Ko Samui

  • How far is Chicago to Ko Samui by plane?

    There are 8846.2 mi between Chicago and Ko Samui. 26h 05m is a normal flight duration for this route.

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

    Prices for flights from Chicago to Ko Samui Airport were last updated today.

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

    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 Chicago to Ko Samui Airport.

  • What documentation or ID do you need to fly to Ko Samui Airport?

    The travel and health documents required for your trip to Ko Samui Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ko Samui Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Tao
Ko Pha Ngan
Khanom

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Ko Samui. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Ko Samui from Chicago with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ko Samui from Chicago.

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

Yes momondo offers price alerts on flights to Ko Samui from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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