Which airports can I use when flying from Ko Samui to Chicago O'Hare Intl Airport?

Flights from Ko Samui to Chicago O'Hare Intl Airport usually depart from Ko Samui (USM) and arrive at Chicago O'Hare Intl (ORD).

Which cabin classes can I book on flights from Ko Samui to Chicago O'Hare Intl Airport?

Only Economy class is available on flights from Ko Samui to Chicago O'Hare Intl Airport.

Can I save money by using flexible dates for flights from Ko Samui to Chicago O'Hare Intl Airport?

Yes. Flexible dates can save you up to 13% on flights from Ko Samui to Chicago O'Hare Intl Airport. Wednesday is the cheapest departure day at ฿45,903 return on average, while Thursday is the most expensive at ฿52,355, a difference of ฿6,451. KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in Chicago O'Hare Intl Airport?

Chicago Riverwalk is one of the most viewed places in Chicago O'Hare Intl Airport on KAYAK.

Do I need a passport to fly from Ko Samui to Chicago O'Hare Intl Airport?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from Ko Samui to Chicago O'Hare Intl Airport changed much recently?

Yes. Based on fares seen in the past 5 days, return prices on this route varied from about ฿42,931 to ฿84,139. That means the highest observed fare was about 95% higher than the lowest one.

How are flight prices from Ko Samui to Chicago O'Hare Intl Airport looking right now?

One-way fares from Ko Samui to Chicago O'Hare Intl Airport are currently higher than usual. Average one-way flight prices are about ฿40,290, which is 21% above the typical average for this route.

What is the time difference between Ko Samui and Chicago O'Hare Intl Airport?

Chicago O'Hare Intl Airport is 12 hours behind Ko Samui (Central Time vs Indochina Time). Plan for the time shift when scheduling connections or first-day activities.

Which car hire options are available at Chicago O'Hare Intl Airport (ORD)?

Chicago O'Hare Intl Airport (ORD) hosts 5 major car rental companies, with daily rates starting from around ฿570 for economy cars. Top options include: • Routes Car & Truck Rentals • Europcar • Hertz • Ace • Dollar

Which airline is the cheapest to fly from Ko Samui to Chicago O'Hare Intl Airport?

Cathay Pacific (฿51,375) and เตอร์กิชแอร์ไลน์ (฿51,916) are the cheapest airlines to fly return from Ko Samui to Chicago O'Hare Intl Airport according to KAYAK data over the last 5 days.

฿33,102 CHEAP FLIGHTS from Ko Samui to Chicago O'Hare (USM - ORD)

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Cheapest return flight

฿42,931

Typical prices: ฿45,904-฿52,365

Multiple Airlines

Wed 7/11Sun 11/11

USM - ORD • 2 stops

Cheapest one-way flight

฿33,102

Typical prices: ฿20,996-฿35,781

Cathay Pacific

Tue 3/4

USM - ORD • 1 stop

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We hope you enjoy your trip to Chicago O'Hare Intl Airport!

Flight Deals

Cheap Flights from Ko Samui to Chicago (USM-ORD)

Discover the best prices for you by selecting your travel dates on KAYAK.

Return

One-way

Recent return flight deals from Ko Samui to O'Hare Intl

Sat 7 Nov - Wed 11 Nov

11:00 - 07:35USM Ko Samui-ORD Chicago O'Hare Intl

33h 35m2 stops Bangkok Don Mueang Intl Abu Dhabi Zayed Intl

13:15 - 09:20ORD Chicago O'Hare Intl-USM Ko Samui

31h 05m2 stops Abu Dhabi Zayed Intl Bangkok Suvarnabhumi

฿42,931Multiple Airlines

Sat 7 Nov - Wed 11 Nov

11:00 - 07:35USM Ko Samui-ORD Chicago O'Hare Intl

33h 35m2 stops Bangkok Don Mueang Intl Abu Dhabi Zayed Intl

07:05 - 07:10ORD Chicago O'Hare Intl-USM Ko Samui

35h 05m3 stops Montreal Pierre Elliott Trudeau Intl Tokyo Narita Bangkok Suvarnabhumi

฿50,565Multiple Airlines

Thu 12 Nov - Mon 16 Nov

11:40 - 12:30USM Ko Samui-ORD Chicago O'Hare Intl

37h 50m1 stop Hong Kong Intl

14:10 - 19:35ORD Chicago O'Hare Intl-USM Ko Samui

40h 25m1 stop Hong Kong Intl

฿51,375Cathay Pacific

Sat 7 Nov - Wed 11 Nov

14:25 - 10:00USM Ko Samui-ORD Chicago O'Hare Intl

32h 35m2 stops Bangkok Suvarnabhumi Istanbul

14:10 - 19:35ORD Chicago O'Hare Intl-USM Ko Samui

40h 25m1 stop Hong Kong Intl

฿51,747Multiple Airlines

Thu 12 Nov - Mon 16 Nov

16:30 - 10:00USM Ko Samui-ORD Chicago O'Hare Intl

30h 30m2 stops Bangkok Suvarnabhumi Istanbul

11:45 - 07:35ORD Chicago O'Hare Intl-USM Ko Samui

30h 50m2 stops Istanbul Bangkok Suvarnabhumi

฿51,916เตอร์กิชแอร์ไลน์

Thu 26 Nov - Fri 4 Dec

19:00 - 07:35USM Ko Samui-ORD Chicago O'Hare Intl

49h 35m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl

13:15 - 07:10ORD Chicago O'Hare Intl-USM Ko Samui

28h 55m2 stops Abu Dhabi Zayed Intl Bangkok Suvarnabhumi

฿52,254เอทิฮัดแอร์เวย์

Thu 26 Nov - Fri 4 Dec

18:15 - 07:35USM Ko Samui-ORD Chicago O'Hare Intl

26h 20m2 stops Phuket City Abu Dhabi Zayed Intl

13:15 - 07:10ORD Chicago O'Hare Intl-USM Ko Samui

28h 55m2 stops Abu Dhabi Zayed Intl Bangkok Suvarnabhumi

฿52,254เอทิฮัดแอร์เวย์

Tue 10 Nov - Sat 14 Nov

21:30 - 19:35USM Ko Samui-ORD Chicago O'Hare Intl

35h 05m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

23:30 - 07:10ORD Chicago O'Hare Intl-USM Ko Samui

42h 40m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

฿52,726EVA Air

Tue 10 Nov - Sat 14 Nov

21:30 - 19:35USM Ko Samui-ORD Chicago O'Hare Intl

35h 05m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

23:30 - 15:20ORD Chicago O'Hare Intl-USM Ko Samui

26h 50m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

฿52,828EVA Air

Sat 7 Nov - Wed 11 Nov

11:40 - 12:30USM Ko Samui-ORD Chicago O'Hare Intl

37h 50m1 stop Hong Kong Intl

14:10 - 19:35ORD Chicago O'Hare Intl-USM Ko Samui

40h 25m1 stop Hong Kong Intl

฿53,774Cathay Pacific

Booking Insights

Price, demand, and travel trends for Ko Samui to Chicago O'Hare Intl Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

Which airline is the cheapest to fly from Ko Samui to Chicago O'Hare Intl Airport?: Cathay Pacific (฿51,375) and เตอร์กิชแอร์ไลน์ (฿51,916) are the cheapest airlines to fly return from Ko Samui to Chicago O'Hare Intl Airport according to KAYAK data over the last 5 days.

Find deals

Cheapest flight	฿33,102

One-way flight from Ko Samui to Chicago O'Hare Intl Airport

When to book flights from Ko Samui to O'Hare Intl

Are your dates flexible? Find out the best times to travel from Ko Samui to O'Hare Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which cabin classes can I book on flights from Ko Samui to Chicago O'Hare Intl Airport?
Only Economy class is available on flights from Ko Samui to Chicago O'Hare Intl Airport.
Do I need a passport to fly from Ko Samui to Chicago O'Hare Intl Airport?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
Have flight prices from Ko Samui to Chicago O'Hare Intl Airport changed much recently?
Yes. Based on fares seen in the past 5 days, return prices on this route varied from about ฿42,931 to ฿84,139. That means the highest observed fare was about 95% higher than the lowest one.
How are flight prices from Ko Samui to Chicago O'Hare Intl Airport looking right now?
One-way fares from Ko Samui to Chicago O'Hare Intl Airport are currently higher than usual. Average one-way flight prices are about ฿40,290, which is 21% above the typical average for this route.
Which car hire options are available at Chicago O'Hare Intl Airport (ORD)?
Chicago O'Hare Intl Airport (ORD) hosts 5 major car rental companies, with daily rates starting from around ฿570 for economy cars. Top options include:

• Routes Car & Truck Rentals
• Europcar
• Hertz
• Ace
• Dollar
Which airports can I use when flying from Ko Samui to Chicago O'Hare Intl Airport?
Flights from Ko Samui to Chicago O'Hare Intl Airport usually depart from Ko Samui (USM) and arrive at Chicago O'Hare Intl (ORD).
Can I save money by using flexible dates for flights from Ko Samui to Chicago O'Hare Intl Airport?
Yes. Flexible dates can save you up to 13% on flights from Ko Samui to Chicago O'Hare Intl Airport. Wednesday is the cheapest departure day at ฿45,903 return on average, while Thursday is the most expensive at ฿52,355, a difference of ฿6,451.

KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.
What is the time difference between Ko Samui and Chicago O'Hare Intl Airport?
Chicago O'Hare Intl Airport is 12 hours behind Ko Samui (Central Time vs Indochina Time). Plan for the time shift when scheduling connections or first-day activities.
What popular places can I visit in Chicago O'Hare Intl Airport?
Chicago Riverwalk is one of the most viewed places in Chicago O'Hare Intl Airport on KAYAK.

If your dates are flexible, aim for a Wednesday departure and avoid flying on Thursday. On this route, Wednesday flights average ฿45,903, which is about ฿6,451 less than Thursday fares (12% savings) based on the last 12 months.

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USM - ORD

฿33,102 Find Cheap Flights from Ko Samui to Chicago – Compare and Save

Everything you should know

Cheap Flights from Ko Samui to Chicago (USM-ORD)

Recent return flight deals from Ko Samui to O'Hare Intl

Recent one-way flight deals from Ko Samui to O'Hare Intl

Price, demand, and travel trends for Ko Samui to Chicago O'Hare Intl Airport flights

Which airline is the cheapest to fly from Ko Samui to Chicago O'Hare Intl Airport?

Key details for Ko Samui to Chicago O'Hare Intl Airport flights

Cheapest flight

When to book flights from Ko Samui to O'Hare Intl

Your Ko Samui to Chicago O'Hare Intl Airport flight questions, answered

Your guide to booking Ko Samui to Chicago O'Hare Intl Airport flights

More options for your flight from Ko Samui to O'Hare Intl

Complete your trip to Chicago with a hotel stay or car hire

Information on your arrival and departure airports

Cabin class types available on flights to O'Hare Intl

Flights from domestic origins to O'Hare Intl

Flights to other popular destinations

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