How does KAYAK find such low prices on flights from Illinois to Ko Samui?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Ko Samui. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Ko Samui?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ko Samui from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Illinois to Ko Samui?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ko Samui with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Ko Samui?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ko Samui from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$611 CHEAP FLIGHTS from Illinois to Ko Samui

USM

KAYAK searches hundreds of travel sites at once for deals on flights to Ko Samui

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Cheapest round-trip

$1,042

EVA Air

Mon 4/13Tue 4/21

ORD - USM • 2 stops

Cheapest one-way

$611

EVA Air

Mon 4/6

ORD - USM • 2 stops

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We hope you love your trip to Ko Samui!

Flight Deals

Cheap Flights from Illinois to Ko Samui

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Illinois to Ko Samui

Mon, Apr 13 - Tue, Apr 21

12:30 am - 1:45 pm

ORD

USM

25h 15m

2 stops

9:00 pm - 9:00 pm

USM

ORD

36h 00m

2 stops

$1,042EVA Air

Sun, Mar 8 - Wed, Mar 18

9:20 pm - 10:40 am

ORD

USM

25h 20m

2 stops

7:00 pm - 11:05 am

USM

ORD

28h 05m

2 stops

$1,074Multiple Airlines

Sun, Mar 8 - Wed, Mar 18

9:20 pm - 6:25 pm

ORD

USM

33h 05m

2 stops

7:00 pm - 11:05 am

USM

ORD

28h 05m

2 stops

$1,077Multiple Airlines

Mon, Mar 9 - Mon, Mar 23

12:30 am - 3:35 pm

ORD

USM

27h 05m

2 stops

8:30 am - 8:35 pm

USM

ORD

24h 05m

2 stops

$1,079EVA Air

Wed, Mar 11 - Wed, Mar 18

12:30 am - 7:50 pm

ORD

USM

31h 20m

2 stops

7:15 am - 8:35 pm

USM

ORD

25h 20m

2 stops

$1,080EVA Air

Mon, Mar 2 - Mon, Mar 9

8:20 pm - 6:15 pm

ORD

USM

32h 55m

2 stops

4:25 pm - 11:05 am

USM

ORD

30h 40m

2 stops

$1,101Multiple Airlines

Mon, Mar 9 - Tue, Apr 7

12:30 am - 3:35 pm

ORD

USM

27h 05m

2 stops

8:35 pm - 9:00 pm

USM

ORD

36h 25m

2 stops

$1,136EVA Air

Wed, Mar 18 - Wed, Mar 25

12:50 pm - 6:25 pm

ORD

USM

41h 35m

2 stops

9:10 pm - 7:25 pm

USM

ORD

34h 15m

2 stops

$1,140Multiple Airlines

Mon, Mar 9 - Tue, Apr 7

12:30 am - 3:40 pm

ORD

USM

27h 10m

2 stops

9:00 pm - 9:00 pm

USM

ORD

36h 00m

2 stops

$1,193EVA Air

Fri, Mar 13 - Mon, Mar 16

12:50 pm - 6:15 pm

ORD

USM

41h 25m

2 stops

4:25 pm - 7:25 pm

USM

ORD

39h 00m

2 stops

$1,412Multiple Airlines

Useful Info

Cheapest flight	$611

Flight from Chicago to Ko Samui

How does KAYAK find such low prices on flights from Illinois to Ko Samui?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Ko Samui.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Ko Samui?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ko Samui from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Ko Samui?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ko Samui with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Ko Samui?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ko Samui from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Ko Samui

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

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Information on the airport you'll fly into in Ko Samui

Ko Samui (USM)

USM

$602 Find Cheap Flights from Illinois to Ko Samui

KAYAK searches hundreds of travel sites at once for deals on flights to Ko Samui

Everything you should know

Cheap Flights from Illinois to Ko Samui

Recent round-trip flight deals from Illinois to Ko Samui

Recent one-way flight deals from Illinois to Ko Samui

Good to know

FAQs for booking flights from Illinois to Ko Samui

How does KAYAK find such low prices on flights from Illinois to Ko Samui?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Ko Samui.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Ko Samui?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ko Samui from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Ko Samui?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ko Samui with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Ko Samui?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ko Samui from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Ko Samui

Information on the airport you'll fly into in Ko Samui

Cabin class types available on flights to Illinois

Complete your trip to Ko Samui with a hotel stay or car rental

Find direct flights for Ko Samui

Flights to other popular destinations

Flights from domestic origins to Ko Samui

Choose which airport to fly into in Ko Samui

Find deals for your return flight