Cheap Flights from Koh Samui to Kauai starting at S$ 1,658

We've found these cheap flights for you. You can book one-way or return flight tickets.

Round-trip
One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Cheapest time to fly from Koh Samui to Kauai

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights

From price

23 30
Apr

30 6
6 13
13 20
20 27
May

27 4
4 11
11 18
18 25
Jun

25 1
1 8
8 15

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

When to buy flight tickets from Koh Samui (USM) to Kauai (LIH) the cheapest?

Airlines adjust prices for flights from Koh Samui to Kauai based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much is a flight from Koh Samui (USM) to Kauai (LIH) cost?

According to Trip.com's data, the lowest price is around S$ 1,648.
How many airports in Kauai?

There are 1 airports near Kauai: Lihue Airport.

How to find a cheap flight from Koh Samui to Kauai

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Koh Samui to Kauai. Book your flights at the right time and save more.

Choose your dates flexibly and get the best deals on flights from Koh Samui to Kauai.

Tap "Date" on the flight search bar to scan through the calendar for Koh Samui to Kauai airfare over the next 6 months in 2025.

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Book early or wait for last-minute deals.

It's always better to book early. Flight tickets are often at their lowest when first released, usually a year ahead of departure. Keep an eye out as soon as your desired flights open for booking. If you miss the early deals, you may still find lower prices closer to your travel date.

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For the best flight booking experience on the go, download Trip.com and search for cheap flights from Koh Samui to Kauai to get your exclusive deals.