฿18,375 Cheap Flights from Tri-Cities (TRI) to Bangkok (BKK)

View ฿18,375 flight on Sun, 29 Mar 2026Opens in a new window

Popular airlines from Tri-Cities, TN (TRI-Tri-Cities Regional) to Suvarnabhumi International Airport (BKK)

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Cheap Flights from Tri-Cities (TRI) to Bangkok (BKK)

Prices were available within the past 7 days and start at ฿18,375 for one-way flights and ฿44,515 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, 26 Feb - Sun, 20 Sept
TRI
Tri-Cities
BKK
Bangkok
฿44,515 Return, found 1 day ago
฿44,515
Return
found 1 day ago
Select American Airlines flight, departing Thu, 26 Feb from Tri-Cities to Bangkok, returning Sun, 20 Sept, priced at ฿44,515 found 1 day ago
American Airlines
Thu, 26 Feb - Sun, 20 Sept
TRI
Tri-Cities
BKK
Bangkok
฿46,935 Return, found 1 day ago
฿46,935
Return
found 1 day ago
Select American Airlines flight, departing Thu, 26 Feb from Tri-Cities to Bangkok, returning Sun, 20 Sept, priced at ฿46,935 found 1 day ago
American Airlines
Thu, 26 Feb - Sun, 20 Sept
TRI
Tri-Cities
BKK
Bangkok
฿48,630 Return, found 1 day ago
฿48,630
Return
found 1 day ago
Select American Airlines flight, departing Thu, 26 Feb from Tri-Cities to Bangkok, returning Sun, 20 Sept, priced at ฿48,630 found 1 day ago
American Airlines
Thu, 26 Feb - Sun, 20 Sept
TRI
Tri-Cities
BKK
Bangkok
฿49,515 Return, found 1 day ago
฿49,515
Return
found 1 day ago
Select American Airlines flight, departing Thu, 26 Feb from Tri-Cities to Bangkok, returning Sun, 20 Sept, priced at ฿49,515 found 1 day ago
American Airlines
Thu, 26 Feb - Sun, 20 Sept
TRI
Tri-Cities
BKK
Bangkok
฿50,850 Return, found 1 day ago
฿50,850
Return
found 1 day ago
Select American Airlines flight, departing Thu, 26 Feb from Tri-Cities to Bangkok, returning Sun, 20 Sept, priced at ฿50,850 found 1 day ago
American Airlines
Thu, 26 Feb - Sun, 20 Sept
TRI
Tri-Cities
BKK
Bangkok
฿51,880 Return, found 1 day ago
฿51,880
Return
found 1 day ago
Select American Airlines flight, departing Thu, 26 Feb from Tri-Cities to Bangkok, returning Sun, 20 Sept, priced at ฿51,880 found 1 day ago
Delta
Thu, 26 Feb - Sun, 20 Sept
TRI
Tri-Cities
BKK
Bangkok
฿53,385 Return, found 1 day ago
฿53,385
Return
found 1 day ago
Select Delta flight, departing Thu, 26 Feb from Tri-Cities to Bangkok, returning Sun, 20 Sept, priced at ฿53,385 found 1 day ago
KLM
Thu, 26 Feb - Sun, 20 Sept
TRI
Tri-Cities
BKK
Bangkok
฿53,550 Return, found 1 day ago
฿53,550
Return
found 1 day ago
Select KLM flight, departing Thu, 26 Feb from Tri-Cities to Bangkok, returning Sun, 20 Sept, priced at ฿53,550 found 1 day ago
Air France
Thu, 26 Feb - Sun, 20 Sept
TRI
Tri-Cities
BKK
Bangkok
฿53,605 Return, found 1 day ago
฿53,605
Return
found 1 day ago
Select Air France flight, departing Thu, 26 Feb from Tri-Cities to Bangkok, returning Sun, 20 Sept, priced at ฿53,605 found 1 day ago
Qatar Airways
Thu, 26 Feb - Sun, 20 Sept
TRI
Tri-Cities
BKK
Bangkok
฿60,315 Return, found 1 day ago
฿60,315
Return
found 1 day ago
Select Qatar Airways flight, departing Thu, 26 Feb from Tri-Cities to Bangkok, returning Sun, 20 Sept, priced at ฿60,315 found 1 day ago

Frequently asked questions

How much is a flight from Tri-Cities Regional Airport (TRI) to Suvarnabhumi Airport?
Pack your bags, because round-trip journeys from Tri-Cities Airport to BKK start from ฿44,515. That's based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book now to secure the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Tri-Cities Regional Airport (TRI) to Suvarnabhumi Intl. Airport (BKK)?
Each airline has its own set of terms and conditions. If you decide to cancel your escape, visit our Customer Service Portal.
How do I find cheap flights from Tri-Cities Regional Airport (TRI) to Bangkok Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Tri-Cities Regional Airport (TRI) to Bangkok Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Tri-Cities Airport to Suvarnabhumi Intl. Airport (BKK)?
With a flight distance of 14,400 kilometres between Blountville and Bang Phli, this is a long-haul journey. Be sure to drink lots of water and get up to stretch your legs from time to time.
Which airlines fly direct from Tri-Cities Regional Airport (TRI) to Suvarnabhumi Intl. Airport (BKK)?
You won't find any airlines flying directly between Tri-Cities Airport and Suvarnabhumi Airport, so be ready to make at least one stop on your journey. A layover, whether short or long, can be a good way to break up a trip!
Are Tri-Cities Airport to Suvarnabhumi Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices fluctuate, so not always. While last-minute flight deals between TRI and Suvarnabhumi Airport are possible, it also makes sense to monitor prices well before you fly. In fact, some air carriers publish their prices up to a year before the departure date. Expedia is constantly updating the best bargains around, so keep checking back and be ready to pounce when the fares dip.

Travel information

Origin airport
Tri-Cities Regional
Destination airport
Suvarnabhumi Intl.
Airlines serving
Air France, American Airlines, Delta, Korean Air
Return price
฿44,515
Distance
14341 km

Book with confidence

Perfect flights from Tri-Cities to Bangkok

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Tri-Cities to Bangkok. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Tri-Cities Regional to Suvarnabhumi Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿18,375 and roundtrip prices from ฿44,515. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Suvarnabhumi Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Bangkok.
Perfect flights from Tri-Cities to Bangkok

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