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Koh Samui

$1,091+ Cheap flights from O'Hare Intl (ORD) to Koh Samui (USM)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — USM
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Koh Samui

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Koh Samui (USM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,272
(Trip.com)
Provider with most accurate pricing for Chicago O'Hare Intl-Ko Samui flight deals.
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Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Ko Samui flights.
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From Chicago O'Hare Intl to Ko Samui
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Find flight deals from O'Hare Intl to Koh Samui

Cheapest flights from O'Hare Intl to Koh Samui
Explore the most affordable flight options available from O'Hare Intl to Koh Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.

This FlightHub deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2012:10 pmORD - USM
2 stops32h 05mJapan Airlines
Mon 9/297:10 pmUSM - ORD
2 stops32h 35mJapan Airlines
Deal found 2/21$1,091
This Travelocity deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/112:10 pmORD - USM
2 stops31h 10mMultiple Airlines
Sat 10/119:30 pmUSM - ORD
2 stops30h 15mMultiple Airlines
Deal found 2/20$1,104
This Justfly.com deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1912:30 amORD - USM
2 stops25h 15mEVA Air
Mon 9/297:00 amUSM - ORD
2 stops25h 45mEVA Air
Deal found 2/21$1,149
This SmartFares deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/74:00 pmORD - USM
1 stop38h 35mCathay Pacific
Mon 4/1410:55 amUSM - ORD
1 stop39h 30mCathay Pacific
Deal found 2/22$1,453
This Gotogate deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/77:20 pmORD - USM
2 stops27h 10mQatar Airways
Mon 4/147:00 pmUSM - ORD
2 stops32h 05mQatar Airways
Deal found 2/21$1,708
This Gurufare deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/209:50 amORD - USM
3 stops47h 20mSingapore Airlines
Mon 9/294:25 pmUSM - ORD
2 stops37h 25mSingapore Airlines
Deal found 2/21$1,999
This StudentUniverse deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/18:40 amORD - USM
3 stops34h 40mEtihad Airways
Sat 10/115:25 pmUSM - ORD
2 stops27h 30mEtihad Airways
Deal found 2/20$2,039
This SWISS deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/73:45 pmORD - USM
2 stops30h 45mSWISS
Mon 4/149:15 amUSM - ORD
2 stops42h 40mSWISS
Deal found 2/21$4,197
This Austrian Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/74:20 pmORD - USM
2 stops38h 10mAustrian Airlines
Mon 4/1410:05 amUSM - ORD
2 stops39h 15mAustrian Airlines
Deal found 2/21$4,207
This Emirates deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/88:35 pmORD - USM
2 stops27h 05mEmirates
Tue 4/155:50 pmUSM - ORD
2 stops33h 55mEmirates
Deal found 2/21$6,235

Find flights from O'Hare Intl to Koh Samui within your budget

Customize your flight search to find flights from O'Hare Intl to Koh 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, Cheapflights users made 2,558,603 searches. Data last updated February 22, 2025.

Fly from

O'Hare Intl

Fly to

Koh Samui

Route

Depart

Return

Price

ChicagoKoh Samui

ORD - USM

ORDUSM

Chicago O'Hare Intl

Tue 4/8

4:00 pm-10:10 am

2 stops30h 10m

Ko Samui

Tue 4/15

3:30 pm-2:25 pm

2 stops34h 55m

$1,272

ChicagoKoh Samui

ORD - USM

ORDUSM

Chicago O'Hare Intl

Sat 4/5

12:30 am-4:50 pm

2 stops28h 20m

Ko Samui

Sun 4/13

9:10 pm-9:00 pm

2 stops35h 50m

$1,380

ChicagoKoh Samui

ORD - USM

ORDUSM

Chicago O'Hare Intl

Mon 4/7

4:00 pm-6:35 pm

1 stop38h 35m

Ko Samui

Mon 4/14

10:55 am-2:25 pm

1 stop39h 30m

$1,453

ChicagoKoh Samui

ORD - USM

ORDUSM

Chicago O'Hare Intl

Mon 4/7

7:20 pm-10:30 am

2 stops27h 10m

Ko Samui

Mon 4/14

7:00 pm-3:05 pm

2 stops32h 05m

$1,708

ChicagoKoh Samui

ORD - USM

ORDUSM

Chicago O'Hare Intl

Mon 4/7

3:45 pm-10:30 am

2 stops30h 45m

Ko Samui

Mon 4/14

9:15 am-3:55 pm

2 stops42h 40m

$4,197

ChicagoKoh Samui

ORD - USM

ORDUSM

Chicago O'Hare Intl

Mon 4/7

4:20 pm-6:30 pm

2 stops38h 10m

Ko Samui

Mon 4/14

10:05 am-1:20 pm

2 stops39h 15m

$4,207

ChicagoKoh Samui

ORD - USM

ORDUSM

Chicago O'Hare Intl

Tue 4/8

8:35 pm-11:40 am

2 stops27h 05m

Ko Samui

Tue 4/15

5:50 pm-3:45 pm

2 stops33h 55m

$6,235

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

Compare providers for flights from O'Hare Intl to Koh Samui

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Koh Samui in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Koh Samui flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Koh Samui flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Koh Samui flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Koh Samui flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Koh Samui flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from O'Hare Intl to Koh Samui

Have a flexible travel schedule? Discover the best time to fly to Koh Samui from O'Hare Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from O'Hare Intl to Koh Samui

Get recent, data-driven insights about flights from O'Hare Intl to Koh Samui including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from ORD to USM?

Find hourly flight availability from O'Hare Intl to Koh Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 22, 2025.

It’s typically best to fly out from Chicago O'Hare Intl Airport to Koh Samui in the morning. Doing so could potentially save you 41% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Koh Samui?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Koh Samui. Price data was last updated on February 16, 2025.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Koh Samui flight should consider departing on Friday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Koh Samui by month

Plan your trip to Koh Samui by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Koh Samui ranges from 2.3 - 19.3 inches per month. November is typically the wettest month, when rainfall can reach 19.3 in. February is typically the driest time to visit Koh Samui when rainfall is around 2.3 in.

Temperature in Koh Samui by month

Plan your trip to Koh Samui by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Koh Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

Reviews of airlines servicing Koh Samui

Get insights into the airlines that provide service to Koh Samui. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Koh Samui. Reviews last updated February 22, 2025.
EVA Air
8.4
Very good
1,199 reviews

Crew

8.6

Overall

8.4

Comfort

8.2

Food

8.0

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

EVA Air
8.4
Very good
1,199 reviews
EVA Air
8.4
Very good
1,199 reviews

Crew

8.6

Overall

8.4

Comfort

8.2

Food

8.0

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Emirates
8.1
Very good
3,276 reviews
EVA Air
8.4
Very good
1,199 reviews

Crew

8.6

Overall

8.4

Comfort

8.2

Food

8.0

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Austrian Airlines
7.5
Good
771 reviews
EVA Air
8.4
Very good
1,199 reviews

Crew

8.6

Overall

8.4

Comfort

8.2

Food

8.0

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Cathay Pacific
7.5
Good
821 reviews
EVA Air
8.4
Very good
1,199 reviews

Crew

8.6

Overall

8.4

Comfort

8.2

Food

8.0

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

SWISS
7.5
Good
1,566 reviews
EVA Air
8.4
Very good
1,199 reviews

Crew

8.6

Overall

8.4

Comfort

8.2

Food

8.0

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Koh Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Koh Samui from Chicago O'Hare Intl?

    Most people fly into Ko Samui (USM) if they book a flight to Koh Samui from Chicago O'Hare Intl. On average, Ko Samui has 0 inbound flights from Chicago O'Hare Intl per day from 1 airline. Ko Samui is conveniently located just 2.1 mi from Koh Samui’s city center.

  • Can I find deals for flights from O'Hare Intl to Koh Samui that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Koh Samui flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Koh Samui?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Koh Samui.

  • Can I find deals for business class flights from O'Hare Intl to Koh Samui?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Koh Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Ko Pha Ngan
Ko Tao

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Top airline flying from O'Hare Intl to Koh Samui

Discover the top airline that operate flights from O'Hare Intl to Koh Samui. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest$1,147Average$1,275FlexibilityNo cancel feeOn-time74%
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