Cheap Flights from Tri-Cities (TRI) to Chiang Rai (CEI)

Popular airlines from Tri-Cities, TN (TRI-Tri-Cities Regional) to Chiang Rai Intl. Airport (CEI)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key
Flights from Tri-Cities (TRI) to Chiang Rai (CEI)
Origin airport
Tri-Cities Regional
Destination airport
Chiang Rai Intl.
Distance
8534 mi

Tri-Cities to Chiang Rai Flights

The cheapest times to fly from Tri-Cities to Chiang Rai

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

 

The best time to book a flight from Tri-Cities to Chiang Rai

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

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 Tri-Cities to Chiang Rai in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Tri-Cities to Chiang Rai 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 Tri-Cities to Chiang Rai 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.

 

Frequently asked questions

How much does a flight from Tri-Cities Regional Airport (TRI) to Chiang Rai Intl. Airport (CEI) cost?
Discover the latest flight deals from TRI to CEI by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from TRI to CEI?
The cheapest flights from TRI to CEI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from TRI to CEI?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from TRI to CEI. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Tri-Cities Regional Airport (TRI) to Chiang Rai Intl. Airport (CEI)?
You'll need to book a flight with a layover if you're traveling from Tri-Cities Regional Airport (TRI) to Chiang Rai Intl. Airport (CEI). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from TRI to CEI?
Typically you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary based on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Tri-Cities Regional Airport (TRI) to Chiang Rai Intl. Airport (CEI)?
To avoid potential delays on the Tri-Cities Regional Airport (TRI) to Chiang Rai Intl. Airport (CEI) route, fly before 3 PM. Departures after this hour are 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 Tri-Cities Regional Airport (TRI) to Chiang Rai Intl. Airport (CEI) last-minute?
Holding off until just before your trip to book a flight from TRI to CEI generally means paying more. While you might find some last-minute offers, there's no guarantee. Be flexible with your travel plans for a better chance of landing a bargain.
Is it cheaper to book a TRI to CEI flight and hotel package?
You'll generally save money by booking a TRI to CEI flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've chosen your preferred accommodations and flights, consider adding extras including tours, activities and car rentals.
Can I cancel or change the date of my flight from Tri-Cities Regional Airport (TRI) to Chiang Rai Intl. Airport (CEI)?
If you booked your TRI to CEI flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket 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 for more details.

Explore a world of travel with Expedia

*Available to One Key members.