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>

$476 CHEAP FLIGHTS from Illinois to Ko Samui

USM

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Flight Deals

Cheap Flights from Illinois to Ko Samui

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Ko Samui that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

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

Tue, Nov 4 - Wed, Nov 12

8:20 pm - 5:40 pmORD-USM

32h 20m2 stops

6:35 pm - 10:05 amUSM-ORD

28h 30m2 stops

$980Turkish Airlines

Find Deal

Mon, Nov 3 - Mon, Nov 10

11:50 am - 9:20 amORD-USM

32h 30m2 stops

7:00 pm - 10:05 amUSM-ORD

28h 05m2 stops

$1,027Turkish Airlines

Find Deal

Mon, Nov 3 - Wed, Nov 12

11:50 am - 9:20 amORD-USM

32h 30m2 stops

7:35 pm - 10:05 amUSM-ORD

27h 30m2 stops

$1,032Turkish Airlines

Find Deal

Wed, Nov 5 - Wed, Nov 12

11:30 pm - 2:55 pmORD-USM

26h 25m2 stops

8:30 am - 7:35 pmUSM-ORD

24h 05m2 stops

$1,039EVA Air

Find Deal

Sun, Nov 30 - Sat, Dec 6

11:50 am - 7:45 amORD-USM

30h 55m2 stops

8:30 pm - 6:25 pmUSM-ORD

34h 55m2 stops

$1,042

Find Deal

Sun, Nov 30 - Sat, Dec 6

11:50 am - 7:30 amORD-USM

30h 40m2 stops

8:30 pm - 6:25 pmUSM-ORD

34h 55m2 stops

$1,057

Find Deal

Tue, Sep 30 - Fri, Oct 31

12:30 am - 1:45 pmORD-USM

25h 15m2 stops

8:30 am - 8:35 pmUSM-ORD

24h 05m2 stops

$1,077EVA Air

Find Deal

Sun, Sep 28 - Thu, Oct 2

1:55 pm - 7:35 amORD-USM

29h 40m2 stops

5:25 pm - 8:45 amUSM-ORD

27h 20m2 stops

$1,738Etihad Airways

Find Deal

Thu, Oct 2 - Mon, Oct 6

8:35 pm - 9:10 pmORD-USM

36h 35m2 stops

4:25 pm - 3:45 pmUSM-ORD

35h 20m2 stops

$1,834Emirates

Find Deal

Thu, Oct 2 - Mon, Oct 6

8:35 pm - 9:10 pmORD-USM

36h 35m2 stops

4:25 pm - 3:45 pmUSM-ORD

35h 20m2 stops

$1,835Emirates

Find Deal

Cheapest round-trip

$980

Turkish Airlines

Tue 11/4Wed 11/12

ORD - USM • 2 stops

Cheapest one-way

$476

Multiple Airlines

Mon 10/6

ORD - USM • 2 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Ko Samui!

Useful Info

Cheapest flight	$476

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

Origins

Other airports

Return flight deals

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

Ko Samui (USM)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

USM

$476 Find Cheap Flights from Illinois to Ko Samui

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

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

Everything you should know

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