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Cheap flights from Ko Samui to Chicago O'Hare Intl Airport from ฿47,463

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
USM — ORD
5 May — 12 May1
1 adult

Cheap flight deals from Ko Samui to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Ko Samui (USM) to O'Hare Intl (ORD). 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 30 April 2025.

Round-trip from

฿47,463
EVA Air
  • EVA Air
  • 12/9-14/10
  • 4 total stops
  • 52h 00m total
  • Ko Samui to Chicago
Search Deals

Find flight deals from Ko Samui to O'Hare Intl

Cheapest flights from Ko Samui to O'Hare Intl
Explore the most affordable flight options available from Ko Samui to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2025.

Fri 12/907:00USM - ORD
2 stops25h 45mEVA Air
Tue 14/1000:30ORD - USM
2 stops26h 15mEVA Air
Deal found 30/4฿47,463
Fri 12/919:30USM - ORD
2 stops26h 10mเตอร์กิชแอร์ไลน์
Wed 15/1019:50ORD - USM
2 stops24h 25mเตอร์กิชแอร์ไลน์
Deal found 30/4฿49,098
Fri 12/910:55USM - ORD
1 stop39h 30mCathay Pacific
Wed 15/1016:00ORD - USM
1 stop38h 35mCathay Pacific
Deal found 30/4฿49,632
Fri 12/917:55USM - ORD
2 stops33h 10mMultiple Airlines
Wed 15/1006:00ORD - USM
3 stops38h 15mMultiple Airlines
Deal found 30/4฿62,182

Cheapflights Fare Finder

Customise your flight search to find flights from Ko Samui to O'Hare Intl 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 17,341 searches. Data last updated 30 April 2025.
Use the filters below to find and compare flights from Ko Samui to Chicago O'Hare Intl Airport that are best for you.

Fly from

Ko Samui

Fly to

O'Hare Intl

Route

Depart

Return

Price

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Fri 12/9

07:00-20:45

2 stops25h 45m

Chicago O'Hare Intl

Tue 14/10

00:30-14:45

2 stops26h 15m

฿47,463

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Fri 12/9

19:30-09:40

2 stops26h 10m

Chicago O'Hare Intl

Wed 15/10

19:50-08:15

2 stops24h 25m

฿49,098

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Fri 12/9

10:55-14:25

1 stop39h 30m

Chicago O'Hare Intl

Wed 15/10

16:00-18:35

1 stop38h 35m

฿49,632

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Fri 12/9

17:55-15:05

2 stops33h 10m

Chicago O'Hare Intl

Wed 15/10

06:00-08:15

3 stops38h 15m

฿62,182

Flights are sorted by cheapest return flights first.

Deals found on 30/4

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

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Ko Samui with our price prediction graph.
Estimated return 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.

Cheapflights Insights

Everything you need to know about your flight from Ko Samui to Chicago O'Hare Intl Airport

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

Find hourly flight availability from Ko Samui to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 April 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ko Samui to Chicago O'Hare Intl Airport as you normally would.

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 43.0 mm.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated 30 April 2025.
EVA Air
8.4
Very Good
1,186 reviews
Check prices

Comfort

8.3

Overall

8.4

Entertainment

8.0

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
EVA Air
8.4
Very Good
1,186 reviews
EVA Air
8.4
Very Good
1,186 reviews
Check prices

Comfort

8.3

Overall

8.4

Entertainment

8.0

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Cathay Pacific
7.5
Good
855 reviews
EVA Air
8.4
Very Good
1,186 reviews
Check prices

Comfort

8.3

Overall

8.4

Entertainment

8.0

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
เตอร์กิชแอร์ไลน์
7.3
Good
3,790 reviews
EVA Air
8.4
Very Good
1,186 reviews
Check prices

Comfort

8.3

Overall

8.4

Entertainment

8.0

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Related info for your journey

Find useful and relevant information for your journey from Ko Samui to O'Hare Intl. 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 from for flights from Ko Samui to Chicago O'Hare Intl?

    Most people fly from Ko Samui (USM) if they book a flight from Ko Samui to Chicago O'Hare Intl. On average, Ko Samui has 0 outbound flights to Chicago O'Hare Intl per day from 0 airlines. Ko Samui is conveniently located just 3.3 km from Ko Samui’s city centre.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ko Samui to O'Hare Intl 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

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Alternative routes for Ko Samui to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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How does Cheapflights help users find flights from Ko Samui to O'Hare Intl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ko Samui to O'Hare Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Ko Samui to O'Hare Intl?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ko Samui to O'Hare Intl.

Can Cheapflights find flights from Ko Samui to O'Hare Intl with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ko Samui to O'Hare Intl, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ko Samui to O'Hare Intl become cheaper?

Yes, Cheapflights offers price alerts on Ko Samui to O'Hare Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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