Cheap flights from Illinois to Ko Samui from $475
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Ko Samui departing on 7/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Illinois to Ko Samui
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to Ko Samui?
Our data shows that Friday is the least expensive day to fly to Ko Samui. Tickets to fly out on this day can be as low as $254. Flights from Illinois to Ko Samui on a Sunday will generally be more expensive and average around $484. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Ko Samui?
Our data shows that the cheapest Illinois to Ko Samui flights are usually those with departure times in the evening. Our users have found flights to Ko Samui in the evening for as low as $199. In the afternoon is when there is more demand to fly to Ko Samui, so prices are often more expensive at around $545 per ticket.
Cheap Illinois to Ko Samui flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to Ko Samui
When did momondo last update prices for flights from Illinois to Ko Samui Airport?
Prices for flights from Illinois to Ko Samui Airport refresh daily.
How many operators does momondo search for flights from Illinois to Ko Samui Airport?
There is 1 operator available for flights from Illinois to Ko Samui Airport as of June 2025.
How old do you have to be to fly from Illinois to Ko Samui Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Ko Samui Airport.
What documentation or ID do you need to fly to Ko Samui Airport?
The travel and health documents required for your trip to Ko Samui Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ko Samui Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Illinois to Ko Samui
Compare and see reviews for airlines that fly from Illinois to Ko Samui with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $1,148 | Free Cancellation | Rating 8.4 1,204 reviews |
Traveling to a place near Ko Samui?
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Why should I use momondo to find a flight deal from Illinois to Ko Samui?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Ko Samui for you.
Can I find flights from Illinois to Ko Samui with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Illinois to Ko Samui flights to just show those with flexible booking policies.
How can momondo help me find flights from Illinois to Ko Samui?
Once you have performed a search for Illinois to Ko Samui flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Illinois to Ko Samui right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Ko Samui from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.