$632 Find Cheap Flights from Ko Samui to Illinois - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ko Samui to Illinois departing on 9/20. 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

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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

Thu, Oct 15 - Sun, Oct 18
EVA Air Logo
9:15 am - 8:45 pm
USM
-
ORD
23h 30m
2 stops
EVA Air Logo
12:30 am - 4:50 pm
ORD
-
USM
28h 20m
2 stops
$1,409EVA Air
Thu, Oct 15 - Sun, Oct 18
EVA Air Logo
9:15 am - 8:45 pm
USM
-
ORD
23h 30m
2 stops
EVA Air Logo
12:30 am - 4:50 pm
ORD
-
USM
28h 20m
2 stops
$1,410EVA Air
Thu, Oct 15 - Mon, Oct 19
Cathay Pacific Logo
11:55 am - 1:55 pm
USM
-
ORD
38h 00m
1 stop
Cathay Pacific Logo
4:15 pm - 7:40 pm
ORD
-
USM
39h 25m
1 stop
$1,466Cathay Pacific
Thu, Oct 15 - Mon, Oct 19
Cathay Pacific Logo
11:55 am - 1:55 pm
USM
-
ORD
38h 00m
1 stop
Cathay Pacific Logo
4:15 pm - 7:40 pm
ORD
-
USM
39h 25m
1 stop
$1,467Cathay Pacific
Sun, Oct 4 - Tue, Oct 6
EVA Air Logo
8:45 am - 8:45 pm
USM
-
ORD
24h 00m
2 stops
EVA Air Logo
12:30 am - 3:45 pm
ORD
-
USM
27h 15m
2 stops
$1,490EVA Air
Sun, Oct 4 - Tue, Oct 6
EVA Air Logo
8:45 am - 8:45 pm
USM
-
ORD
24h 00m
2 stops
EVA Air Logo
12:30 am - 3:45 pm
ORD
-
USM
27h 15m
2 stops
$1,491EVA Air
Sun, Oct 4 - Tue, Oct 6
EVA Air Logo
9:15 am - 8:45 pm
USM
-
ORD
23h 30m
2 stops
EVA Air Logo
12:30 am - 3:45 pm
ORD
-
USM
27h 15m
2 stops
$1,500EVA Air
Sat, Aug 22 - Fri, Aug 28
Multiple Airlines Logo
7:30 am - 9:10 pm
USM
-
ORD
25h 40m
2 stops
Multiple Airlines Logo
12:30 am - 2:45 pm
ORD
-
USM
26h 15m
2 stops
$1,564Multiple Airlines
Sat, Aug 22 - Sat, Aug 29
Multiple Airlines Logo
8:20 am - 9:10 pm
USM
-
ORD
24h 50m
2 stops
Multiple Airlines Logo
4:00 pm - 7:40 pm
ORD
-
USM
39h 40m
1 stop
$1,825Multiple Airlines
Sat, Aug 22 - Fri, Aug 28
Multiple Airlines Logo
5:55 pm - 4:10 pm
USM
-
ORD
34h 15m
3 stops
Multiple Airlines Logo
12:30 am - 2:45 pm
ORD
-
USM
26h 15m
2 stops
$1,990Multiple 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 ($1,409) and Cathay Pacific ($1,466).

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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)