$1,406 Find Cheap Flights from Ko Samui to Illinois

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 9/12. 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

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

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ko Samui to Illinois, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ko Samui to Illinois, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 20% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flights Deals
Useful Info
Flights Deals

Best Illinois Flight Deals from Ko Samui

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Chicago
Chicago2 stops$1,406
Chicago
Chicago2 stops$1,406

Cheap Flights from Ko Samui to Illinois

 
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

Fri, Sep 12 - Tue, Oct 14
EVA Air Logo
7:15 pm - 8:45 pmUSM-ORD
37h 30m2 stops
EVA Air Logo
12:30 am - 1:45 pmORD-USM
25h 15m2 stops
$1,406EVA Air
Find Deal
Fri, Sep 12 - Wed, Oct 15
Lufthansa Logo
1:30 pm - 11:00 amUSM-ORD
33h 30m2 stops
Lufthansa Logo
10:30 pm - 9:10 pmORD-USM
34h 40m2 stops
$1,427Lufthansa
Find Deal
Fri, Sep 12 - Wed, Oct 15
Emirates Logo
8:00 am - 3:45 pmUSM-ORD
43h 45m2 stops
Emirates Logo
8:35 pm - 4:55 pmORD-USM
32h 20m2 stops
$1,433Emirates
Find Deal
Useful Info

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.

What’s the cheapest day of the week to fly from Ko Samui to Illinois?

The average price of all round-trip flights from Ko Samui to Illinois clicked on KAYAK for each day over the last 12 months.

When flying from Ko Samui to Illinois, you should consider leaving on a Friday and avoid Saturdays if you are looking for the best rates. For your return to Ko Samui, you’ll find the best rates on Thursdays and the most expensive ones on Fridays.

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.

  • What is the cheapest time of day to fly to Illinois?

    The cheapest time of day to fly to Illinois is generally at night, when round-trip flights cost $189 on average. Morning departures are around 33% more expensive than evening flights, on average. The most expensive time of day to fly to Illinois is generally in the morning, which is peak travel time and where the average cost of a ticket is $492.

Everything you need to know for your flight from Ko Samui to Illinois

Information on your arrival and departure airports

Ko Samui (USM)

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