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 return 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.

Cheap Flights from Illinois to Ko Samui

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Cheap Flights from Illinois to Ko Samui

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

Return

One-way

Recent return flight deals from Illinois to Ko Samui

Sun 11 Oct - Sun 18 Oct

16:15 - 12:45ORD Chicago O'Hare Intl-USM Ko Samui

32h 30m2 stops Hong Kong Intl Bangkok Suvarnabhumi

09:15 - 13:55USM Ko Samui-ORD Chicago O'Hare Intl

40h 40m2 stops Bangkok Suvarnabhumi Hong Kong Intl

฿29,059Multiple Airlines

Sun 11 Oct - Sun 18 Oct

16:15 - 19:40ORD Chicago O'Hare Intl-USM Ko Samui

39h 25m1 stop Hong Kong Intl

09:15 - 13:55USM Ko Samui-ORD Chicago O'Hare Intl

40h 40m2 stops Bangkok Suvarnabhumi Hong Kong Intl

฿29,059Multiple Airlines

Tue 26 Jan - Tue 2 Feb

14:10 - 07:10ORD Chicago O'Hare Intl-USM Ko Samui

28h 00m2 stops Hong Kong Intl Bangkok Suvarnabhumi

14:05 - 12:30USM Ko Samui-ORD Chicago O'Hare Intl

35h 25m2 stops Bangkok Suvarnabhumi Hong Kong Intl

฿29,059Multiple Airlines

Tue 24 Nov - Tue 8 Dec

14:10 - 07:10ORD Chicago O'Hare Intl-USM Ko Samui

28h 00m2 stops Hong Kong Intl Bangkok Suvarnabhumi

13:45 - 12:30USM Ko Samui-ORD Chicago O'Hare Intl

35h 45m2 stops Bangkok Suvarnabhumi Hong Kong Intl

฿29,422Multiple Airlines

Sun 27 Sep - Mon 5 Oct

16:15 - 08:15ORD Chicago O'Hare Intl-USM Ko Samui

28h 00m2 stops Hong Kong Intl Bangkok Suvarnabhumi

15:50 - 13:55USM Ko Samui-ORD Chicago O'Hare Intl

34h 05m2 stops Bangkok Suvarnabhumi Hong Kong Intl

฿29,521Multiple Airlines

Sun 27 Sep - Mon 5 Oct

16:15 - 08:15ORD Chicago O'Hare Intl-USM Ko Samui

28h 00m2 stops Hong Kong Intl Bangkok Suvarnabhumi

15:50 - 13:55USM Ko Samui-ORD Chicago O'Hare Intl

34h 05m2 stops Bangkok Suvarnabhumi Hong Kong Intl

฿29,619Multiple Airlines

Sun 27 Sep - Sun 4 Oct

16:15 - 10:45ORD Chicago O'Hare Intl-USM Ko Samui

30h 30m2 stops Hong Kong Intl Bangkok Suvarnabhumi

15:50 - 13:55USM Ko Samui-ORD Chicago O'Hare Intl

34h 05m2 stops Bangkok Suvarnabhumi Hong Kong Intl

฿30,015Multiple Airlines

Sat 26 Sep - Sat 3 Oct

16:15 - 12:45ORD Chicago O'Hare Intl-USM Ko Samui

32h 30m2 stops Hong Kong Intl Bangkok Suvarnabhumi

14:35 - 13:55USM Ko Samui-ORD Chicago O'Hare Intl

35h 20m2 stops Bangkok Suvarnabhumi Hong Kong Intl

฿30,707Multiple Airlines

Wed 25 Nov - Mon 30 Nov

14:10 - 07:10ORD Chicago O'Hare Intl-USM Ko Samui

28h 00m2 stops Hong Kong Intl Bangkok Suvarnabhumi

19:00 - 12:30USM Ko Samui-ORD Chicago O'Hare Intl

30h 30m2 stops Bangkok Suvarnabhumi Hong Kong Intl

฿31,036Multiple Airlines

Sun 11 Oct - Sun 18 Oct

16:15 - 19:40ORD Chicago O'Hare Intl-USM Ko Samui

39h 25m1 stop Hong Kong Intl

11:55 - 13:55USM Ko Samui-ORD Chicago O'Hare Intl

38h 00m1 stop Hong Kong Intl

฿39,899Cathay Pacific

Useful Info

Cheapest flight	฿16,474

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 return 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.