Cheap flights from Ko Samui (USM) to Bangkok (BKK)

Compare every airline flying from Samui International Airport (USM) to Suvarnabhumi Airport (BKK). Free 12-month fare heatmap, no signup, no ads. Surfaces low-cost carriers Google Flights often deprioritises.

Frequently asked questions

What is the cheapest month to fly from USM to BKK?

Fares on Ko Samui → Bangkok vary widely by season. The 12-month fare heatmap on Flightmussy pinpoints the cheapest week.

How much does a flight from USM to BKK typically cost?

Round-trip fares on Ko Samui → Bangkok vary by season. The free 12-month fare heatmap on Flightmussy shows the cheapest week at a glance, so you can gauge typical prices — no signup needed.

Which airlines fly direct from USM to BKK?

Flightmussy compares every carrier serving USM → BKK, including budget airlines Google Flights sometimes deprioritises.

How long is the flight from USM to BKK?

Flight duration depends on routing and airline. Direct flight times appear on each Flightmussy result; one-stop options are clearly labelled with total elapsed time.

More routes from Ko Samui (USM)

About Flightmussy

Flightmussy is a free, independent flight search for travellers anywhere in the world. No signup, no ads, no tracking — email is optional, only for route price alerts. Compare fares across every airline and see 12 months of prices at a glance, including the low-cost carriers Google Flights often buries. Book directly with the airline or a trusted partner — we never add a markup.

Flight price data & research

Flightmussy runs its own 12-month forward fare scans across thousands of routes worldwide and publishes the data openly. Read the cheapest month to fly almost anywhere → — a global study of when fares are lowest — or browse the cheapest destinations from a city:

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