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Koh Samui

$1,250+ Cheap flights from Illinois 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — USM
Nov 5 — Nov 121
1 adult
Tue 11/5
Tue 11/12
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Find flight deals from Illinois to Koh Samui

Cheapest flights from Illinois to Koh Samui
Explore the most affordable flight options available from Illinois to Koh Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2024.

This Gotogate deal was found by Cheapflights users on 10/30. 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.
Fri 11/13:40 pmORD - USM
1 stop39h 55mMultiple Airlines
Thu 11/149:25 pmUSM - ORD
2 stops28h 35mMultiple Airlines
Deal found 10/30$1,560
This Gotogate deal was found by Cheapflights users on 10/30. 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.
Fri 11/13:40 pmORD - USM
1 stop39h 55mCathay Pacific
Thu 11/1411:40 amUSM - ORD
1 stop38h 20mCathay Pacific
Deal found 10/30$1,577
This Bravofly deal was found by Cheapflights users on 10/29. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1411:30 pmORD - USM
2 stops46h 05mEVA Air
Sat 12/218:30 amUSM - ORD
2 stops24h 05mEVA Air
Deal found 10/29$2,229
This SWISS deal was found by Cheapflights users on 10/30. 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.
Sat 12/147:05 pmORD - USM
2 stops37h 00mSWISS
Sat 12/219:20 amUSM - ORD
2 stops43h 55mSWISS
Deal found 10/30$4,486

Find flights from Illinois to Koh Samui within your budget

Customize your flight search to find flights from Illinois 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 2,570,725 searches. Data last updated October 31, 2024.

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Price

ChicagoKoh Samui

ORD - USM

ORDUSM

Chicago O'Hare Intl

Mon 3/31

12:30 am-6:20 pm

2 stops29h 50m

Ko Samui

Tue 4/8

8:00 am-9:00 pm

2 stops25h 00m

$1,250

ChicagoKoh Samui

ORD - USM

ORDUSM

Chicago O'Hare Intl

Tue 4/1

4:54 pm-3:45 pm

3 stops34h 51m

Ko Samui

Tue 4/8

9:30 pm-3:25 pm

2 stops29h 55m

$2,137

ChicagoKoh Samui

ORD - USM

ORDUSM

Chicago O'Hare Intl

Sat 12/14

11:30 pm-10:35 am

2 stops46h 05m

Ko Samui

Sat 12/21

8:30 am-7:35 pm

2 stops24h 05m

$2,229

ChicagoKoh Samui

ORD - USM

ORDUSM

Chicago O'Hare Intl

Sun 1/26

2:40 pm-7:35 pm

1 stop39h 55m

Ko Samui

Sun 3/2

11:40 am-1:00 pm

1 stop38h 20m

$2,812

ChicagoKoh Samui

ORD - USM

ORDUSM

Chicago O'Hare Intl

Fri 1/3

9:00 pm-7:40 am

3 stops45h 40m

Ko Samui

Fri 1/10

5:50 pm-7:40 pm

3 stops38h 50m

$4,484

ChicagoKoh Samui

ORD - USM

ORDUSM

Chicago O'Hare Intl

Sat 12/14

7:05 pm-9:05 pm

2 stops37h 00m

Ko Samui

Sat 12/21

9:20 am-4:15 pm

2 stops43h 55m

$4,486

Flights are sorted by cheapest first

Deals found on 10/30

Best time to book a flight from Illinois to Koh Samui

Have a flexible travel schedule? Discover the best time to fly to Koh Samui from Illinois 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 Illinois to Koh Samui

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

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 October 31, 2024.
EVA Air
8.4
Very good
1,324 reviews

Overall

8.4

Food

8.0

Comfort

8.2

Boarding

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

EVA Air
8.4
Very good
1,324 reviews
EVA Air
8.4
Very good
1,324 reviews

Overall

8.4

Food

8.0

Comfort

8.2

Boarding

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Japan Airlines
8.3
Very good
1,450 reviews
EVA Air
8.4
Very good
1,324 reviews

Overall

8.4

Food

8.0

Comfort

8.2

Boarding

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Cathay Pacific
7.7
Good
876 reviews
EVA Air
8.4
Very good
1,324 reviews

Overall

8.4

Food

8.0

Comfort

8.2

Boarding

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

SWISS
7.6
Good
1,644 reviews
EVA Air
8.4
Very good
1,324 reviews

Overall

8.4

Food

8.0

Comfort

8.2

Boarding

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Qatar Airways
7.5
Good
3,900 reviews
EVA Air
8.4
Very good
1,324 reviews

Overall

8.4

Food

8.0

Comfort

8.2

Boarding

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Related info for your journey

Find useful and relevant information for your journey from Illinois 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 Illinois?

    Most people fly into Ko Samui (USM) if they book a flight to Koh Samui from Illinois. Ko Samui is conveniently located just 2.1 mi from Koh Samui’s city center.

  • Can I find flights from Illinois to Koh Samui for under $1,300 on Cheapflights?

    Yes, there are multiple flights from Illinois to Koh Samui for under $1,300. The cheapest flight booked recently is on Multiple Airlines for just $1,250, but on average you can expect to pay $3,295.

  • What does ORD to USM mean?

    ORD stands for Chicago O'Hare Intl Airport, while USM stands for Ko Samui Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Ready for more IATA code knowledge? These are related airports for your current travel destination: Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Champaign University-Willard Airport (CMI).

  • Can I find deals for flights from Illinois to Koh Samui that include extra baggage allowance?

    The amount of baggage you can bring on your Illinois to Koh Samui flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Illinois to Koh Samui with specific airlines?

    Yes, Cheapflights allows you to browse and filter Illinois to Koh Samui flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Illinois to Koh Samui that include hotel bookings?

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

  • How can I find direct flights from Illinois to Koh Samui?

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

  • Can I find deals for business class flights from Illinois to Koh Samui?

    Yes. Cheapflights offers flight deals from Illinois 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.

  • Can I find deals for flights from Illinois to Koh Samui that allow pets onboard?

    Many airlines flying from Illinois to Koh Samui offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Illinois to Koh Samui?

    Yes, you can often find last-minute deals on Illinois to Koh Samui flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Illinois to Koh Samui flight deals updated?

    The Illinois to Koh Samui flight deals you see on this page were last updated on 10/30.

See more FAQs

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Top airline flying from Illinois to Koh Samui

Discover the top airline that operate flights from Illinois 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 2,570,725 searches. Data last updated October 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest$1,147Average$1,275FlexibilityNo cancel feeOn-time74%
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