$165 Cheap Flights from Chiang Rai (CEI) to Singapore (SIN)

View $165 flight on Wed, Nov 12, 2025Opens in a new window

Popular airlines from Chiang Rai Intl. Airport (CEI) to Singapore Changi Airport (SIN)

Cheap Flights from Chiang Rai to Singapore (CEI-SIN)

Prices were available within the past 7 days and start at $165 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 Changi Airport (SIN) cost?
Snag a cheap one-way flight from $165 or cheap return flight from Chiang Rai Intl. Airport (CEI) to Changi Airport (SIN) 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 Changi Airport (SIN)?
The cheapest month to fly from CEI to SIN is , when there's less demand. Off-peak season is often when airlines offer better prices between these airports.
What is the cheapest airline that flies from Chiang Rai Intl. Airport (CEI) to Changi Airport (SIN)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest CEI to SIN flight.
How many flights per day from Chiang Rai Intl. Airport (CEI) to Changi Airport (SIN)?
Direct flights from Chiang Rai Intl. Airport (CEI) to Changi Airport (SIN) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CEI to SIN?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on a range of factors, including the time of year and carrier.*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 Changi Airport (SIN)?
To avoid potential delays on the Chiang Rai Intl. Airport (CEI) to Changi Airport (SIN) route, aim to fly before 3 PM. Later departures have a 22% higher chance of cancellation.**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 Changi Airport (SIN) last-minute?
Holding off until just before your departure to book a ticket from CEI to SIN generally means paying more. While it's possible to find some last-minute discounts, they're not always guaranteed. Be flexible with your travel plans to boost your chances of snagging a bargain.
Is it cheaper to book a CEI to SIN flight and hotel package?
Compared with arranging hotels and flights separately, booking a CEI to SIN flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place takes the hassle out of planning your trip. Simply pick your flights and choose from our extensive range of hotels, then customize 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 Changi Airport (SIN)?
If you reserved your CEI to SIN flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Travel information

Origin airport
Chiang Rai Intl.
Destination airport
Changi
Distance
1314 mi

Book with confidence

Chiang Rai to Singapore Flights

The cheapest times to fly from Chiang Rai to Singapore

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 Singapore are during the month of . You can find some of the cheapest flights from Chiang Rai to Singapore with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chiang Rai to Singapore

Sunday is one of the best days to book for cheap flights from Chiang Rai to Singapore: 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 Singapore

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 Singapore in 2025. You can also book with separate airlines for your outbound and return journeys, from $165 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 Singapore 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 Singapore 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 Singapore Flights

Explore a world of travel with Expedia

*Available to One Key members.