$251 Cheap Flights from Chiang Rai (CEI) to Samui Intl. Airport (USM)

View $251 flight on Tue, Jan 27, 2026Opens in a new window

Popular airlines from Chiang Rai Intl. Airport (CEI) to Samui Intl. Airport (USM)

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Cheap Flights from Chiang Rai to Samui Intl. Airport (CEI-USM)

Prices were available within the past 7 days and start at $251 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Chiang Rai Intl. Airport (CEI) to Ko Samui Airport (USM) cost?
Grab a cheap one-way flight from $251 or cheap return flight from Chiang Rai Intl. Airport (CEI) to Ko Samui Airport (USM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Chiang Rai Intl. Airport (CEI) to Ko Samui Airport (USM)?
Flying in may help you find better deals, as it's the cheapest month for flights between CEI and USM. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Chiang Rai Intl. Airport (CEI) to Ko Samui Airport (USM)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from CEI to USM. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Chiang Rai Intl. Airport (CEI) to Ko Samui Airport (USM)?
Direct flights from Chiang Rai Intl. Airport (CEI) to Ko Samui Airport (USM) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CEI to USM?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Chiang Rai Intl. Airport (CEI) to Ko Samui Airport (USM)?
Choose a flight from Chiang Rai Intl. Airport (CEI) to Ko Samui Airport (USM) that takes off before 3 PM to reduce the likelihood of delays. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Chiang Rai Intl. Airport (CEI) to Ko Samui Airport (USM) last-minute?
Booking your flight from CEI to USM right before your journey is usually more expensive. But if you're flexible with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a CEI to USM flight and hotel package?
Compared with arranging flights and hotels separately, booking a CEI to USM flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place takes the hassle out of travel planning. Just pick your flights and choose from our extensive range of stays, then personalize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Chiang Rai Intl. Airport (CEI) to Ko Samui Airport (USM)?
In most cases, you can modify or cancel your CEI to USM flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like more information, head to our Customer Service portal.

Travel information

Travel information

Origin airport
Chiang Rai Intl.
Destination airport
Samui Intl. Airport
Distance
718 mi

Book with confidence

Book with confidence

Chiang Rai to Samui Intl. Airport Flights

The cheapest times to fly from Chiang Rai to Samui Intl. Airport

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chiang Rai to Samui Intl. Airport are during the month of . You can find some of the cheapest flights from Chiang Rai to Samui Intl. Airport with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chiang Rai to Samui Intl. Airport

Sunday is one of the best days to book for cheap flights from Chiang Rai to Samui Intl. Airport: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chiang Rai to Samui Intl. Airport

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chiang Rai to Samui Intl. Airport in 2025. You can also book with separate airlines for your outbound and return journeys, from $251 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chiang Rai to Samui Intl. Airport flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chiang Rai to Samui Intl. Airport airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Chiang Rai to Samui Intl. Airport Flights
*Available to One Key members.