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Cheap flights from Chicago O'Hare Intl Airport to Ko Samui from $969

This is the cheapest round-trip 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 10/20. 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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Find the cheapest flights from Chicago O'Hare Intl Airport to Ko Samui

Cheap round-trip flights

Japan Airlines Logo
1:05 am - 6:30 pmORD-USM
29h 25m2 stops
Japan Airlines Logo
7:00 am - 1:40 pmUSM-ORD
43h 40m2 stops
$969Japan Airlines
Find Deal
lun., oct. 20 - mié., nov. 5
Turkish Airlines Logo
8:20 pm - 5:50 pmORD-USM
32h 30m2 stops
Turkish Airlines Logo
5:40 pm - 7:25 pmUSM-ORD
37h 45m2 stops
$1,033Turkish Airlines
Find Deal
mar., mar. 3 - mar., mar. 17
EVA Air Logo
12:30 am - 2:45 pmORD-USM
26h 15m2 stops
EVA Air Logo
9:35 am - 7:35 pmUSM-ORD
23h 00m2 stops
$1,035EVA Air
Find Deal
lun., oct. 20 - jue., nov. 6
Multiple Airlines Logo
12:30 am - 8:50 pmORD-USM
32h 20m2 stops
Multiple Airlines Logo
7:00 am - 7:35 pmUSM-ORD
25h 35m2 stops
$1,036Multiple Airlines
Find Deal
mar., oct. 21 - mié., nov. 12
Etihad Airways Logo
1:55 pm - 7:20 amORD-USM
29h 25m2 stops
Etihad Airways Logo
6:15 pm - 7:35 amUSM-ORD
50h 20m2 stops
$1,050Etihad Airways
Find Deal
lun., oct. 13 - lun., nov. 10
Multiple Airlines Logo
11:50 am - 7:10 amORD-USM
30h 20m2 stops
Multiple Airlines Logo
1:25 pm - 6:25 pmUSM-ORD
42h 00m2 stops
$1,054Multiple Airlines
Find Deal
mié., ene. 21 - sáb., ene. 24
EVA Air Logo
12:30 am - 1:45 pmORD-USM
25h 15m2 stops
EVA Air Logo
9:35 am - 7:35 pmUSM-ORD
23h 00m2 stops
$1,073EVA Air
Find Deal
lun., oct. 20 - vie., nov. 7
Etihad Airways Logo
1:55 pm - 7:20 amORD-USM
29h 25m2 stops
Etihad Airways Logo
8:45 pm - 7:35 amUSM-ORD
47h 50m2 stops
$1,085Etihad Airways
Find Deal
sáb., oct. 18 - sáb., nov. 8
Qatar Airways Logo
7:40 pm - 9:10 pmORD-USM
37h 30m2 stops
Qatar Airways Logo
1:25 pm - 2:30 pmUSM-ORD
38h 05m2 stops
$1,391Qatar Airways
Find Deal
dom., oct. 19 - dom., nov. 9
Qatar Airways Logo
7:40 pm - 1:10 pmORD-USM
29h 30m2 stops
Qatar Airways Logo
1:30 pm - 2:50 pmUSM-ORD
37h 20m2 stops
$1,569Qatar Airways
Find Deal
dom., oct. 19 - mié., oct. 22

Turkish Airlines flights from Chicago O'Hare Intl Airport to Ko Samui

Our best Turkish Airlines deals on Chicago O'Hare Intl Airport to Ko Samui flight tickets
Turkish Airlines
Mar 3
ORD8:20 pmChicago O'Hare Intl
32h 30m
2 stops
USM5:50 pmKo Samui
Mar 17
USM5:40 pmKo Samui
37h 45m
2 stops
ORD7:25 pmChicago O'Hare Intl
$1,033
Find similar
Turkish Airlines
Oct 22
ORD7:50 pmChicago O'Hare Intl
34h 25m
2 stops
USM6:15 pmKo Samui
Nov 5
USM5:40 pmKo Samui
29h 25m
2 stops
ORD10:05 amChicago O'Hare Intl
$1,038
Find similar
Turkish Airlines
Jan 21
ORD8:20 pmChicago O'Hare Intl
35h 05m
2 stops
USM8:25 pmKo Samui
Jan 24
USM7:55 amKo Samui
39h 10m
2 stops
ORD10:05 amChicago O'Hare Intl
$1,043
Find similar

EVA Air flights from Chicago O'Hare Intl Airport to Ko Samui

Our best EVA Air deals on Chicago O'Hare Intl Airport to Ko Samui flight tickets
EVA Air
Oct 20
ORD12:30 amChicago O'Hare Intl
26h 15m
2 stops
USM2:45 pmKo Samui
Nov 6
USM9:35 amKo Samui
23h 00m
2 stops
ORD7:35 pmChicago O'Hare Intl
$1,035
Find similar
EVA Air
Oct 20
ORD12:30 amChicago O'Hare Intl
25h 15m
2 stops
USM1:45 pmKo Samui
Nov 7
USM9:35 amKo Samui
23h 00m
2 stops
ORD7:35 pmChicago O'Hare Intl
$1,073
Find similar
EVA Air
Oct 19
ORD12:30 amChicago O'Hare Intl
26h 40m
2 stops
USM3:10 pmKo Samui
Nov 5
USM9:35 amKo Samui
23h 00m
2 stops
ORD7:35 pmChicago O'Hare Intl
$1,106
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Ko Samui that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated septiembre 25, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoKo Samui

ORD - USM

ORDUSM

Chicago O'Hare Intl

lun. 10/20

1:05 am-6:30 pm

2 stops29h 25m

Ko Samui

mié. 11/5

7:00 am-1:40 pm

2 stops43h 40m

$969

ChicagoKo Samui

ORD - USM

ORDUSM

Chicago O'Hare Intl

mar. 3/3

8:20 pm-5:50 pm

2 stops32h 30m

Ko Samui

mar. 3/17

5:40 pm-7:25 pm

2 stops37h 45m

$1,033

ChicagoKo Samui

ORD - USM

ORDUSM

Chicago O'Hare Intl

lun. 10/20

12:30 am-2:45 pm

2 stops26h 15m

Ko Samui

jue. 11/6

9:35 am-7:35 pm

2 stops23h 00m

$1,035

ChicagoKo Samui

ORD - USM

ORDUSM

Chicago O'Hare Intl

mar. 10/21

12:30 am-8:50 pm

2 stops32h 20m

Ko Samui

mié. 11/12

7:00 am-7:35 pm

2 stops25h 35m

$1,036

ChicagoKo Samui

ORD - USM

ORDUSM

Chicago O'Hare Intl

lun. 10/13

1:55 pm-7:20 am

2 stops29h 25m

Ko Samui

lun. 11/10

6:15 pm-7:35 am

2 stops50h 20m

$1,050

ChicagoKo Samui

ORD - USM

ORDUSM

Chicago O'Hare Intl

mié. 1/21

11:50 am-7:10 am

2 stops30h 20m

Ko Samui

sáb. 1/24

1:25 pm-6:25 pm

2 stops42h 00m

$1,054

ChicagoKo Samui

ORD - USM

ORDUSM

Chicago O'Hare Intl

lun. 10/20

12:30 am-1:45 pm

2 stops25h 15m

Ko Samui

vie. 11/7

9:35 am-7:35 pm

2 stops23h 00m

$1,073

ChicagoKo Samui

ORD - USM

ORDUSM

Chicago O'Hare Intl

sáb. 10/18

1:55 pm-7:20 am

2 stops29h 25m

Ko Samui

sáb. 11/8

8:45 pm-7:35 am

2 stops47h 50m

$1,085

ChicagoKo Samui

ORD - USM

ORDUSM

Chicago O'Hare Intl

dom. 10/19

7:40 pm-9:10 pm

2 stops37h 30m

Ko Samui

dom. 11/9

1:25 pm-2:30 pm

2 stops38h 05m

$1,391

ChicagoKo Samui

ORD - USM

ORDUSM

Chicago O'Hare Intl

dom. 10/19

7:40 pm-1:10 pm

2 stops29h 30m

Ko Samui

mié. 10/22

1:30 pm-2:50 pm

2 stops37h 20m

$1,569

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Ko Samui according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Direct flights

None
There are no direct flights from Chicago O'Hare Intl Airport to Ko Samui. There are no popular flight routes from Chicago O'Hare Intl Airport to Ko Samui.
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  • 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?

  • 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?

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
EVA AirPriceFrom $1,112Free CancellationRating
8.4
1,242 reviews
Search EVA Air flights

Traveling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Pha Ngan
Ko Tao
Khanom

Why 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.

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sáb. 10/25
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