Find cheap flights from Koh Samui to Illinois

Find cheap flights from Koh Samui to Illinois

Search hundreds of travel sites at once for deals on flights to Illinois

Round-trip
Economy
Koh Samui (USM)
Illinois
Fri 4/23
Fri 4/30
Any month
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Top tips for finding cheap flights to Illinois

  • Looking for a cheap flight? 25% of our users found tickets from Koh Samui to Illinois for the following prices or less: to Chicago $983 one-way - $980 round-trip
  • High season is considered to be January, February and December. The cheapest month to fly to Illinois is January.

FAQs - booking Illinois flights

Are there Illinois travel restrictions currently due to Coronavirus?

How does KAYAK find such low prices on flights to Illinois?

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Koh Samui to Illinois?

What is the Hacker Fare option on flights to Illinois?

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COVID-19 information

Safety measures for airlines flying from Koh Samui to Illinois

Airlines flying from Koh Samui to Illinois have enacted additional safety measures and adjusted policies to better accommodate travelers. Policies vary by airline.

Heightened sanitation

Daily cleaning, installation of cabin HEPA filters on flights from Koh Samui to Illinois

Mandatory masks

Masks required on board, masks provided on flights from Koh Samui to Illinois

Social distancing seating

Middle seats unavailable to book on flights from Koh Samui to Illinois

Pre-flight testing

Testing for antibodies, testing for symptoms for flights from Koh Samui to Illinois

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