CHI - USM

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Everything you should know

When to travel
April
Cheapest • 25% price drop
July
Most popular
Good to know
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Cheap Flights from Chicago to Ko Samui (CHI-USM)

 
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Recent return flight deals from Chicago to Ko Samui

Multiple Airlines Logo
CHI  Chicago All airports-USM Ko Samui
22906 kmmulti-stop
Multiple Airlines Logo
USM  Ko Samui-CHI Chicago All airports
22906 kmmulti-stop
Multiple Airlines
Booking Insights

Price, demand, and travel trends for Chicago to Ko Samui flights

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

What is the cheapest Chicago to Ko Samui flight route?

There's little price difference between Chicago to Ko Samui routes. They average around ฿49,684 return, based on KAYAK data over the past 12 months.

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Key details for Chicago to Ko Samui flights

Low season

September
Beat the crowds with an average 74% drop in travellers.
The most popular month to fly with an average 87% increase in travellers.

When to book flights from Chicago to Ko Samui

Are your dates flexible? Find out the best times to travel from Chicago to Ko Samui based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Chicago to Ko Samui flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Do I need a passport to fly from Chicago to Ko Samui?

    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.

  • How much should I expect to pay for a Chicago to Ko Samui flight?

    Return flights from Chicago to Ko Samui range from ฿41,468 to ฿54,591, with an average of ฿49,684 over the past 12 months. Anything below ฿41,468 counts as a good deal.

  • Which car hire options are available at Ko Samui Airport (USM)?

    Ko Samui Airport (USM) hosts 5 major car rental companies, with daily rates starting from around ฿971 for economy cars. Top options include:

    • Drive Car Rental
    • Alamo
    • Sixt
    • Enterprise Rent-A-Car
    • Thai Rent

  • Which airports can I use when flying from Chicago to Ko Samui?

    Flights from Chicago to Ko Samui may depart from several airports in Chicago area, including Chicago Midway (MDW), Chicago O'Hare Intl (ORD) and Chicago Greater Rockford (RFD). Flights usually arrive at Ko Samui (USM).

  • Which airports do connecting flights from Chicago to Ko Samui pass through?

    Most connecting flights from Chicago to Ko Samui pass through Hong Kong Intl (HKG), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from Chicago to Ko Samui?

    Yes. Flexible dates can save you up to 27% on flights from Chicago to Ko Samui. Sunday is the cheapest departure day at ฿38,880 return on average, while Wednesday is the most expensive at ฿53,178, a difference of ฿14,298.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What is the time difference between Chicago and Ko Samui?

    Ko Samui is 12 hours ahead of Chicago (Indochina Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Ko Samui?

    Some of the most popular sights in Ko Samui are Chaweng Beach, Lamai Beach, and Bophut Beach. These are among the most viewed places in Ko Samui on KAYAK.

  • What services are available to economy passengers on EVA Air flights from Chicago to Koh Samui?

    EVA Air's in-flight entertainment system offers a wide selection of movies, TV shows, music, and games for economy-class passengers. The airline also serves complimentary meals and snacks on flights from Chicago to Koh Samui. Passengers can enjoy a range of Asian and Western meal options, as well as vegetarian and other special dietary meals.

  • What is the luggage allowance on American Airlines flights from Chicago to Koh Samui?

    For checked luggage, passengers are generally allowed to check up to 5 bags if they are traveling with a maximum size of 62 inches and a maximum weight of 50 pounds per bag on flights from Chicago to Koh Samui. For carry-on baggage, passengers are typically allowed to bring one carry-on bag and one personal item, with a maximum size of 22 inches high by 14 inches long by 9 inches wide.

  • What seat options are available on Bangkok Airways flights from Chicago to Koh Samui?

    Bangkok Airways offers several seat options for its flights from Chicago to Koh Samui. Passengers can select a preferred seat up to 1 hour before flight departure via the airline's call center, ticketing office, or counter check-in. There are various seating options, such as the most comfortable seats, creative seating options, and no-seat assignment options.

  • How do I get from Koh Samui Airport (USM) to the city center?

    One popular option to get from USM to the city center is to take a taxi or private transfer, which can cost around ฿400-500 ($12-15) and takes approximately 20-30 minutes. Another option is to use a shared minivan or shuttle, which can cost around ฿150 ($5) per person and takes approximately 30-45 minutes. Additionally, it is possible to rent a car at the airport and drive to the city center, with prices starting at around ฿770 ($22) per day.

Your guide to booking Chicago to Ko Samui flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure and avoid flying on Wednesday. On this route, Sunday flights average ฿38,880, which is about ฿14,298 less than Wednesday fares (27% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Chicago to Ko Samui trip for April. Fares historically average ฿37,093 return in that month – typically ฿33,316 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ko Samui Airport.

    • Ozo Chaweng Samui - Sha Extra Plus
    • Melia Koh Samui
    • Royal Muang Samui Villas
  • Flights from Chicago to Koh Samui have layovers in different cities depending on the airline. Some common layovers for this route include Taiwan (TPE), Bangkok (BKK), Phuket City (HKT), Istanbul (IST), Doha (DOH), and Abu Dhabi (AUH).
  • Thai Airways offers several services for people with reduced mobility on flights from Chicago to Koh Samui. The airline provides wheelchair services without any extra charge and allows passengers to travel with electronic wheelchairs or other mobility aids.
  • Chicago O'Hare International Airport (ORD) is a hub for both American Airlines and United Airlines. United Airlines has several lounges at ORD. These lounges include the United Polaris Lounge, which is located in Terminal 1 and in Concourse C right next to gate C18 inside of security.
  • Turkish Airlines allows small dogs, cats, and birds to travel in the cabin, as well as larger pets such as dogs, cats, and birds in the cargo hold of flights from Chicago to Koh Samui. For pets traveling in the cabin, the pet and its carrier must not exceed a combined weight of 17 lbs.
  • Cathay Pacific provides baby and child meals on board flights from Chicago to Koh Samui, as well as inflight entertainment for children. Children over the age of 2 can also become members of Cathay Pacific's loyalty program, which provides various benefits.

More options for your flight from Chicago to Ko Samui

Complete your trip to Ko Samui with a hotel stay or car hire

Car rentals in Ko Samui
Hotels in Ko Samui