$262 Cheap Thai Airways International flights Penang (PEN) to Samui Intl. Airport (USM)

View $262 flight on Tue, Nov 18, 2025Opens in a new window
  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

$262 Cheap Thai Airways International flights Penang (PEN) to Samui Intl. Airport (USM)

Prices were available within the past 7 days and start at $262 for one-way flights and $486 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai Airways International
Tue, Dec 2 - Wed, Dec 3
PEN
Penang
USM
Koh Samui
$486 Roundtrip, found 4 days ago
$486
Roundtrip
found 4 days ago
Select Thai Airways International flight, departing Tue, Dec 2 from Penang to Koh Samui, returning Wed, Dec 3, priced at $486 found 4 days ago

Frequently asked questions

How much is a Thai Airways International flight from Penang Intl. Airport (PEN) to Ko Samui Airport (USM)?
Landing cheap one-way Thai Airways International flights from PEN to USM from $262 on Expedia couldn't be easier — just filter by "Price (lowest to highest)." Or check out our budget-friendly round-trip fares from $486 for your next getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from PEN to USM with Thai Airways International?
Browse for one-way or return flights to Koh Samui in October or September. You could find a cheap fare with Thai Airways International during these off-peak travel months.
What is the cheapest time to book flights from Penang Intl. Airport (PEN) to Ko Samui Airport (USM) with Thai Airways International?
Check for Thai Airways International flights from PEN to USM about one month before you want to go. The most affordable time to book an international flight is generally 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. No matter your fare class or itinerary, the best day of the week to book international airfare is usually Sunday. Friday is often the most expensive. Travelers booking on a Sunday can save an average of 17% compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Thai Airways International fly nonstop from Penang Intl. Airport (PEN) to Ko Samui Airport (USM)?
Click on our "Nonstop" filter when looking for direct Thai Airways International flights from PEN to USM. You can also compare other airlines servicing the same direct trip.
What is the earliest Thai Airways International flight from PEN to USM?
Browse Thai Airways International's earliest flights from PEN to USM by selecting our "Morning" and "Early Morning" filters. Not only will you arrive at your destination sooner, early departures also experience 20% fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Thai Airways International fly into in Koh Samui?
Ko Samui Airport (USM) is the primary Koh Samui gateway for Thai Airways International flights from Penang Intl. Airport (PEN).
Why fly with Thai Airways International from PEN to USM?
Journey from PEN to USM with Thai Airways International and enjoy a host of benefits including top-tier customer service. When booking through Expedia as a Thai Royal Orchid Plus and One Key™ member, you can also earn OneKeyCash™* to redeem on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Thai Airways International flight from Penang Intl. Airport (PEN) to Ko Samui Airport (USM)?
Depending on the type of fare you purchased, a fee may apply if you change or cancel your booking more than 24 hours after confirmation. To secure tickets with more flexibility, select our "Changes included" and "No cancel fee" boxes when searching for flights. To learn more about canceling or modifying your reservation, visit "Trips," select your flight and click on "Manage Booking."

Travel information

Origin airport
Penang Intl.
Destination airport
Samui Intl. Airport
Airlines serving
Malaysia Airlines, Scoot, Thai Airways International
Popular airline
Malaysia Airlines
Distance
294 mi
*Available to One Key members.