Cheap flights from Chicago O'Hare Intl Airport to Ko Samui from $563
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Ko Samui departing on 9/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Chicago O'Hare Intl Airport to Ko Samui
Cheap round-trip flights
Cheap one-way flights
Emirates flights from Chicago O'Hare Intl Airport to Ko Samui
Our best Emirates deals on Chicago O'Hare Intl Airport to Ko Samui flight tickets
Cathay Pacific flights from Chicago O'Hare Intl Airport to Ko Samui
Our best Cathay Pacific deals on Chicago O'Hare Intl Airport to Ko Samui flight tickets
See travel insights to Ko Samui from
How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport 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.
When to book flights from Chicago O'Hare Intl Airport to Ko Samui
Cheap Chicago O'Hare Intl Airport to Ko Samui (ORD to USM) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Ko Samui
How far is Chicago O'Hare Intl to Ko Samui by plane?
There are 8836.7 mi between Chicago O'Hare Intl and Ko Samui. Typically, this will take 24h 25m by plane in normal conditions.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Ko Samui Airport?
Prices for flights from Chicago O'Hare Intl Airport to Ko Samui Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Ko Samui Airport?
As of April 2025, there is 1 operator available to choose from for flights from Chicago O'Hare Intl Airport to Ko Samui Airport.
How old do you have to be to fly from Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport 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.
What is the most popular airline from Chicago O'Hare Intl Airport to Ko Samui?
Based on momondo bookings for flights between Chicago O'Hare Intl Airport and Ko Samui, the leading airline is EVA Air, making up 100% of the total bookings.
Best airlines flying from Chicago O'Hare Intl Airport to Ko Samui
Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Ko Samui with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $1,147 | Free Cancellation | Rating 8.4 1,186 reviews |
Traveling to a place near Ko Samui?
Book flights to Ko Samui if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Chicago to Ko Samui?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Ko Samui. momondo saves you time and could save you money on your trip.
Can I find flights from Chicago to Ko Samui with flexible booking policies on momondo?
Yes. All flights to Ko Samui from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Chicago to Ko Samui?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ko Samui from Chicago.
I’m not ready to book a flight from Chicago to Ko Samui right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Chicago to Ko Samui now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ko Samui and let you know when they change.