$1,432 Find Cheap Flights from Ko Samui to Illinois - Compare and Save

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ko Samui to Illinois departing on 9/23. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals
Booking Insights
Flight Deals

Book Cheap Ko Samui to Illinois Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ko Samui to Illinois 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.

Recent round-trip flight deals from Ko Samui to Illinois

Wed, Sep 23 - Sat, Sep 26
EVA Air Logo
9:15 am - 8:45 pmUSM  Ko Samui-ORD Chicago O'Hare Intl
23h 30m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
EVA Air Logo
12:30 am - 8:30 pmORD  Chicago O'Hare Intl-USM Ko Samui
32h 00m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
$1,432EVA Air
Wed, Sep 23 - Sat, Sep 26
EVA Air Logo
9:15 am - 8:45 pmUSM  Ko Samui-ORD Chicago O'Hare Intl
23h 30m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
EVA Air Logo
12:30 am - 8:30 pmORD  Chicago O'Hare Intl-USM Ko Samui
32h 00m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
$1,436EVA Air
Wed, Sep 23 - Sat, Sep 26
EVA Air Logo
8:45 am - 8:45 pmUSM  Ko Samui-ORD Chicago O'Hare Intl
24h 00m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
EVA Air Logo
12:30 am - 8:50 pmORD  Chicago O'Hare Intl-USM Ko Samui
32h 20m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
$1,438EVA Air
Sat, Sep 5 - Fri, Sep 11
EVA Air Logo
8:45 am - 8:45 pmUSM  Ko Samui-ORD Chicago O'Hare Intl
24h 00m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
EVA Air Logo
12:30 am - 3:25 pmORD  Chicago O'Hare Intl-USM Ko Samui
26h 55m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
$1,493EVA Air
Sat, Sep 5 - Sat, Sep 12
Cathay Pacific Logo
11:55 am - 2:20 pmUSM  Ko Samui-ORD Chicago O'Hare Intl
38h 25m1 stop Hong Kong Intl
Cathay Pacific Logo
4:00 pm - 7:40 pmORD  Chicago O'Hare Intl-USM Ko Samui
39h 40m1 stop Hong Kong Intl
$1,617Cathay Pacific
Sat, Sep 5 - Sat, Sep 12
Multiple Airlines Logo
2:35 pm - 2:20 pmUSM  Ko Samui-ORD Chicago O'Hare Intl
35h 45m2 stops Bangkok Suvarnabhumi Hong Kong Intl
Multiple Airlines Logo
4:00 pm - 7:40 pmORD  Chicago O'Hare Intl-USM Ko Samui
39h 40m1 stop Hong Kong Intl
$1,624Multiple Airlines
Sat, Sep 5 - Sat, Sep 12
Multiple Airlines Logo
11:05 am - 7:20 amUSM  Ko Samui-ORD Chicago O'Hare Intl
32h 15m3 stops Singapore Changi Kuala Lumpur Intl Tokyo Narita
Multiple Airlines Logo
2:00 pm - 8:15 amORD  Chicago O'Hare Intl-USM Ko Samui
30h 15m2 stops Abu Dhabi Zayed Intl Bangkok Suvarnabhumi
$1,628Multiple Airlines
Sat, Sep 5 - Sat, Sep 12
Multiple Airlines Logo
11:05 am - 7:20 amUSM  Ko Samui-ORD Chicago O'Hare Intl
32h 15m3 stops Singapore Changi Kuala Lumpur Intl Tokyo Narita
Multiple Airlines Logo
10:15 am - 10:10 amORD  Chicago O'Hare Intl-USM Ko Samui
35h 55m3 stops Tokyo Narita Taipei City Taiwan Taoyuan Intl Singapore Changi
$1,964Multiple Airlines
Booking Insights

KAYAK's insights & trends for Ko Samui to Illinois flights

Get data-powered insights and trends into flights from Ko Samui to Illinois to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Ko Samui to Illinois?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 5 days.

In the past 5 days, the cheapest round-trip tickets from Ko Samui to Illinois were found on EVA Air ($1,432) and Cathay Pacific ($1,617).

Find deals

FAQs - booking Illinois flights

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

    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 Ko Samui to Illinois.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Ko Samui to 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 Ko Samui to Illinois?

    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 from Ko Samui to Illinois with an airline and back with another airline.

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

    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 from Ko Samui to 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 from Ko Samui to Illinois

Information on your arrival and departure airports

Ko Samui (USM)