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Cheap flights from Ko Samui to Chicago from $1,245

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Ko Samui to Chicago departing on 9/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
EVA Air Logo
8:50 pm - 8:45 pm
USM
-
ORD
35h 55m
2 stops
EVA Air Logo
12:30 am - 1:45 pm
ORD
-
USM
25h 15m
2 stops
$1,245EVA Air
Wed, Sep 16 - Mon, Sep 21
EVA Air Logo
9:15 am - 8:45 pm
USM
-
ORD
23h 30m
2 stops
EVA Air Logo
12:30 am - 5:05 pm
ORD
-
USM
28h 35m
2 stops
$1,275EVA Air
Tue, Sep 15 - Fri, Sep 18
EVA Air Logo
8:10 am - 8:45 pm
USM
-
ORD
24h 35m
2 stops
EVA Air Logo
12:30 am - 5:05 pm
ORD
-
USM
28h 35m
2 stops
$1,289EVA Air
Tue, Sep 15 - Fri, Sep 18
EVA Air Logo
6:00 am - 8:45 pm
USM
-
ORD
26h 45m
2 stops
EVA Air Logo
12:30 am - 9:35 pm
ORD
-
USM
33h 05m
2 stops
$1,290EVA Air
Tue, Sep 15 - Fri, Sep 18
Multiple Airlines Logo
9:00 pm - 11:10 am
USM
-
ORD
50h 10m
3 stops
Multiple Airlines Logo
12:30 am - 2:45 pm
ORD
-
USM
26h 15m
2 stops
$1,514Multiple Airlines
Wed, Sep 16 - Mon, Sep 21
Multiple Airlines Logo
11:55 am - 1:55 pm
USM
-
ORD
38h 00m
1 stop
Multiple Airlines Logo
4:15 pm - 7:10 am
ORD
-
USM
26h 55m
2 stops
$1,588Multiple Airlines
Wed, Sep 16 - Tue, Sep 22
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
$1,680Cathay Pacific
Wed, Sep 16 - Tue, Sep 22
Multiple Airlines Logo
11:05 am - 9:30 am
USM
-
ORD
34h 25m
3 stops
Multiple Airlines Logo
4:51 pm - 9:20 am
ORD
-
USM
28h 29m
3 stops
$1,800Multiple Airlines
Wed, Sep 16 - Tue, Sep 22

EVA Air flights from Ko Samui to Chicago

Our best EVA Air deals on Ko Samui to Chicago flight tickets
EVA Air
Sep 16
USM8:50 pmKo Samui
35h 55m
2 stops
ORD8:45 pmChicago O'Hare Intl
Sep 21
ORD12:30 amChicago O'Hare Intl
25h 15m
2 stops
USM1:45 pmKo Samui
$1,245
EVA Air
Sep 15
USM9:15 amKo Samui
23h 30m
2 stops
ORD8:45 pmChicago O'Hare Intl
Sep 18
ORD12:30 amChicago O'Hare Intl
28h 35m
2 stops
USM5:05 pmKo Samui
$1,275
EVA Air
Sep 15
USM8:10 amKo Samui
24h 35m
2 stops
ORD8:45 pmChicago O'Hare Intl
Sep 18
ORD12:30 amChicago O'Hare Intl
28h 35m
2 stops
USM5:05 pmKo Samui
$1,289

momondo Fare Finder

 
Customize your flight search to find flights from Ko Samui to Chicago 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 March 27, 2026.
Use the filters below to find and compare flights from Ko Samui to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Wed 9/16

8:50 pm-8:45 pm

2 stops35h 55m

Chicago O'Hare Intl

Mon 9/21

12:30 am-1:45 pm

2 stops25h 15m

$1,245
Quickest round-trip

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Tue 9/15

9:15 am-8:45 pm

2 stops23h 30m

Chicago O'Hare Intl

Fri 9/18

12:30 am-5:05 pm

2 stops28h 35m

$1,275

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Tue 9/15

8:10 am-8:45 pm

2 stops24h 35m

Chicago O'Hare Intl

Fri 9/18

12:30 am-5:05 pm

2 stops28h 35m

$1,289

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Tue 9/15

6:00 am-8:45 pm

2 stops26h 45m

Chicago O'Hare Intl

Fri 9/18

12:30 am-9:35 pm

2 stops33h 05m

$1,290

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Wed 9/16

9:00 pm-11:10 am

3 stops50h 10m

Chicago O'Hare Intl

Mon 9/21

12:30 am-2:45 pm

2 stops26h 15m

$1,514

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Wed 9/16

11:55 am-1:55 pm

1 stop38h 00m

Chicago O'Hare Intl

Tue 9/22

4:15 pm-7:10 am

2 stops26h 55m

$1,588

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Wed 9/16

11:55 am-1:55 pm

1 stop38h 00m

Chicago O'Hare Intl

Tue 9/22

4:15 pm-7:40 pm

1 stop39h 25m

$1,680

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Wed 9/16

11:05 am-9:30 am

3 stops34h 25m

Chicago O'Hare Intl

Tue 9/22

4:51 pm-9:20 am

3 stops28h 29m

$1,800

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Chicago from

How to get the cheapest flight ticket from Ko Samui to Chicago

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 Chicago?

The cheapest day to depart on your flight to Chicago is on a Tuesday when prices can be found for as low as $347. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ko Samui to Chicago for around $697.

What is the cheapest time of day to depart on your flight to Chicago?

Our most recent data shows that the best time of day to fly to Chicago is in the evening. Flights from Ko Samui to Chicago during this time can be as low as $189. In contrast, the most expensive time of day to depart to Chicago is in the morning when prices are around $492.

When to book flights from Ko Samui to Chicago

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

Cheap Ko Samui to Chicago (USM to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ko Samui to Chicago

Fastest flight time

32h 45m

Direct flights

None
The fastest flight from Ko Samui to Chicago takes 32h 45m
There are no direct flights from Ko Samui to Chicago. There are no popular flight routes from Ko Samui to Chicago.
Search flight deals

  • How far is Ko Samui to Chicago by plane?

    There are 8846.2 mi between Ko Samui and Chicago. By plane, this route typically takes 32h 45m.

  • When did momondo last update prices for flights from Ko Samui Airport to Chicago?

    Prices for flights from Ko Samui Airport to Chicago are updated daily.

  • How old do you have to be to fly from Ko Samui Airport to Chicago?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ko Samui Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The travel and health documents you'll need for your trip to Chicago may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Saint Joseph
Benton Harbor
Portage
Lansing
Valparaiso
Schererville
Munster
Crown Point
Chesterton
Monticello
Porter
Griffith
Saint John

Why use momondo?

Why should I use momondo to find a flight deal from Ko Samui to Chicago?

Finding the right flight to Chicago from Ko Samui is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chicago quick and easy, saving you time and money.

Can I find flights from Ko Samui to Chicago with flexible booking policies on momondo?

Flights from Ko Samui to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Ko Samui to Chicago?

Once you have performed a search for Ko Samui to Chicago 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 Ko Samui to Chicago right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ko Samui to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport