Cheap flights from Chicago to Koh Samui Islands

View AU$898 flight on Sat, 30 Aug. 2025Opens in a new window

Popular airlines from Chicago to Koh Samui Islands

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from Chicago (CHI) to Koh Samui Islands (USM)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, 30 Aug. - Sat, 6 Sep.
ORD
Chicago
USM
Koh Samui
AU$1,226 Return, found 5 days ago
AU$1,226
Return
found 5 days ago
Select United flight, departing Sat, 30 Aug. from Chicago to Koh Samui, returning Sat, 6 Sep., priced at AU$1,226 found 5 days ago
United
Sat, 30 Aug. - Sat, 6 Sep.
ORD
Chicago
USM
Koh Samui
AU$1,238 Return, found 5 days ago
AU$1,238
Return
found 5 days ago
Select United flight, departing Sat, 30 Aug. from Chicago to Koh Samui, returning Sat, 6 Sep., priced at AU$1,238 found 5 days ago
EVA Airways
Sat, 30 Aug. - Sat, 6 Sep.
ORD
Chicago
USM
Koh Samui
AU$1,934 Return, found 5 days ago
AU$1,934
Return
found 5 days ago
Select EVA Airways flight, departing Sat, 30 Aug. from Chicago to Koh Samui, returning Sat, 6 Sep., priced at AU$1,934 found 5 days ago
Qatar Airways
Sat, 30 Aug. - Sat, 6 Sep.
ORD
Chicago
USM
Koh Samui
AU$2,758 Return, found 5 days ago
AU$2,758
Return
found 5 days ago
Select Qatar Airways flight, departing Sat, 30 Aug. from Chicago to Koh Samui, returning Sat, 6 Sep., priced at AU$2,758 found 5 days ago
Japan Airlines
Sat, 30 Aug. - Sat, 6 Sep.
ORD
Chicago
USM
Koh Samui
AU$2,907 Return, found 5 days ago
AU$2,907
Return
found 5 days ago
Select Japan Airlines flight, departing Sat, 30 Aug. from Chicago to Koh Samui, returning Sat, 6 Sep., priced at AU$2,907 found 5 days ago
KLM
Sat, 30 Aug. - Sat, 6 Sep.
ORD
Chicago
USM
Koh Samui
AU$3,054 Return, found 5 days ago
AU$3,054
Return
found 5 days ago
Select KLM flight, departing Sat, 30 Aug. from Chicago to Koh Samui, returning Sat, 6 Sep., priced at AU$3,054 found 5 days ago
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