HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Suvarnabhumi

$425+ Cheap flights from Knoxville (TYS) to Suvarnabhumi (BKK)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BKK
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Knoxville to Suvarnabhumi with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Knoxville to Suvarnabhumi

Cheapest flights from Knoxville to Suvarnabhumi
Explore the most affordable flight options available from Knoxville to Suvarnabhumi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.

This United Airlines deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2911:40 am
TYS
-
BKK
3 stops35h 45m
United Airlines
Mon 2/24:55 pm
BKK
-
TYS
3 stops30h 02m
United Airlines
Deal found 1/19$860
This United Airlines deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:50 am
TYS
-
BKK
2 stops35h 45m
United Airlines
Mon 9/79:35 am
BKK
-
TYS
2 stops48h 44m
United Airlines
Deal found 1/19$885
This United Airlines deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:45 am
TYS
-
BKK
3 stops37h 50m
United Airlines
Tue 5/269:35 am
BKK
-
TYS
2 stops40h 07m
United Airlines
Deal found 1/18$889
This United Airlines deal was found by Cheapflights users on 1/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:00 am
TYS
-
BKK
2 stops29h 20m
United Airlines
Thu 12/37:10 am
BKK
-
TYS
2 stops27h 10m
United Airlines
Deal found 1/17$891
This United Airlines deal was found by Cheapflights users on 1/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1712:00 pm
TYS
-
BKK
3 stops33h 45m
United Airlines
Wed 12/27:10 am
BKK
-
TYS
2 stops27h 10m
United Airlines
Deal found 1/17$892
This United Airlines deal was found by Cheapflights users on 1/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/159:15 am
TYS
-
BKK
2 stops51h 05m
United Airlines
Thu 12/37:10 am
BKK
-
TYS
2 stops27h 10m
United Airlines
Deal found 1/17$897
This United Airlines deal was found by Cheapflights users on 1/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/179:15 am
TYS
-
BKK
3 stops36h 30m
United Airlines
Tue 12/17:10 am
BKK
-
TYS
2 stops38h 49m
United Airlines
Deal found 1/17$898
This United Airlines deal was found by Cheapflights users on 1/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/159:15 am
TYS
-
BKK
2 stops51h 05m
United Airlines
Tue 12/17:10 am
BKK
-
TYS
2 stops42h 08m
United Airlines
Deal found 1/17$903
This United Airlines deal was found by Cheapflights users on 1/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/164:25 pm
TYS
-
BKK
3 stops53h 20m
United Airlines
Wed 12/27:10 am
BKK
-
TYS
2 stops27h 10m
United Airlines
Deal found 1/17$906

Find flight deals from Knoxville to Suvarnabhumi

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Suvarnabhumi (BKK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 20, 2026.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$860
(United Airlines)

One-way from

$425
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$906
Provider with most accurate pricing for Knoxville McGhee Tyson-Bangkok Suvarnabhumi flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Bangkok Suvarnabhumi flights.
Search Deals
From Knoxville McGhee Tyson to Bangkok Suvarnabhumi
Search Deals
One-way flight from Knoxville McGhee Tyson to Bangkok Suvarnabhumi
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($160 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Suvarnabhumi that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 20, 2026.
Use the filters below to find and compare flights from Knoxville to Bangkok Suvarnabhumi Airport that are best for you.

Fly from

Knoxville

Fly to

Suvarnabhumi

Route

Depart

Return

Price

KnoxvilleBangkok

TYS - BKK

TYSBKK

Knoxville McGhee Tyson

Thu 1/29

11:40 am-11:25 am

3 stops35h 45m

Bangkok Suvarnabhumi

Mon 2/2

4:55 pm-10:57 am

3 stops30h 02m

$860

KnoxvilleBangkok

TYS - BKK

TYSBKK

Knoxville McGhee Tyson

Sun 3/1

1:50 pm-5:10 am

2 stops51h 20m

Bangkok Suvarnabhumi

Sat 3/7

4:55 pm-7:47 pm

3 stops38h 52m

$979

KnoxvilleBangkok

TYS - BKK

TYSBKK

Knoxville McGhee Tyson

Thu 2/19

9:40 am-11:25 am

3 stops37h 45m

Bangkok Suvarnabhumi

Tue 3/10

4:55 pm-10:19 am

3 stops28h 24m

$991

KnoxvilleBangkok

TYS - BKK

TYSBKK

Knoxville McGhee Tyson

Fri 1/23

8:45 am-12:20 am

2 stops27h 35m

Bangkok Suvarnabhumi

Sun 1/25

4:55 pm-10:57 am

2 stops30h 02m

$1,089

KnoxvilleBangkok

TYS - BKK

TYSBKK

Knoxville McGhee Tyson

Fri 1/23

8:45 am-12:20 am

2 stops27h 35m

Bangkok Suvarnabhumi

Sun 1/25

4:55 pm-10:32 am

3 stops29h 37m

$1,090

KnoxvilleBangkok

TYS - BKK

TYSBKK

Knoxville McGhee Tyson

Mon 4/6

8:33 am-1:15 pm

2 stops41h 42m

Bangkok Suvarnabhumi

Wed 4/15

9:50 am-2:19 pm

2 stops39h 29m

$1,091

KnoxvilleBangkok

TYS - BKK

TYSBKK

Knoxville McGhee Tyson

Mon 4/6

11:45 am-11:50 pm

2 stops25h 05m

Bangkok Suvarnabhumi

Wed 4/15

9:45 am-4:35 pm

2 stops41h 50m

$1,116

KnoxvilleBangkok

TYS - BKK

TYSBKK

Knoxville McGhee Tyson

Mon 4/6

7:00 am-4:35 am

2 stops34h 35m

Bangkok Suvarnabhumi

Wed 4/15

3:45 pm-10:08 am

3 stops29h 23m

$1,131

KnoxvilleBangkok

TYS - BKK

TYSBKK

Knoxville McGhee Tyson

Tue 3/10

10:00 am-7:35 pm

3 stops46h 35m

$425

KnoxvilleBangkok

TYS - BKK

TYSBKK

Knoxville McGhee Tyson

Tue 3/17

3:00 pm-7:35 pm

3 stops41h 35m

$435

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 19 results
1
2

Compare providers for flights from Knoxville to Suvarnabhumi

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to Suvarnabhumi in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapfaremartPrice Accuracy-Trust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Knoxville-Bangkok Suvarnabhumi Airport flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Knoxville-Bangkok Suvarnabhumi Airport flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from Knoxville-Bangkok Suvarnabhumi Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-Bangkok Suvarnabhumi Airport flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-Bangkok Suvarnabhumi Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Knoxville to Suvarnabhumi

Have a flexible travel schedule? Discover the best time to fly to Suvarnabhumi from Knoxville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Knoxville to Bangkok Suvarnabhumi Airport

What is the cheapest month to book a flight from Knoxville to Bangkok Suvarnabhumi Airport?

Currently, April is the cheapest month in which you can book a flight from Knoxville to Bangkok Suvarnabhumi Airport (average of $522). Flying from Knoxville to Bangkok Suvarnabhumi Airport in June is currently the most expensive (average of $1,210). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Suvarnabhumi

Get insights into the airlines that provide service to Suvarnabhumi. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Suvarnabhumi. Reviews last updated January 20, 2026.
Get a feel of what it's like to fly with Japan Airlines, Delta, and Qatar Airways from Knoxville to Bangkok Suvarnabhumi Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,688 reviews

Boarding

8.4

Food

7.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Nymo,Nov 2025

NRT - BKK

It’s great experience overall. Stewards are superb. Every crew member is so pleasant. I’ll fly JAL again.
Japan Airlines
8.3
Very good
1,688 reviews
Japan Airlines
8.3
Very good
1,688 reviews

Boarding

8.4

Food

7.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Nymo,Nov 2025

NRT - BKK

It’s great experience overall. Stewards are superb. Every crew member is so pleasant. I’ll fly JAL again.
Delta
7.9
Good
8,085 reviews
Japan Airlines
8.3
Very good
1,688 reviews

Boarding

8.4

Food

7.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Nymo,Nov 2025

NRT - BKK

It’s great experience overall. Stewards are superb. Every crew member is so pleasant. I’ll fly JAL again.
Qatar Airways
7.4
Good
3,721 reviews
Japan Airlines
8.3
Very good
1,688 reviews

Boarding

8.4

Food

7.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Nymo,Nov 2025

NRT - BKK

It’s great experience overall. Stewards are superb. Every crew member is so pleasant. I’ll fly JAL again.
United Airlines
7.4
Good
9,189 reviews
Japan Airlines
8.3
Very good
1,688 reviews

Boarding

8.4

Food

7.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Nymo,Nov 2025

NRT - BKK

It’s great experience overall. Stewards are superb. Every crew member is so pleasant. I’ll fly JAL again.
American Airlines
7.2
Good
11,169 reviews
Japan Airlines
8.3
Very good
1,688 reviews

Boarding

8.4

Food

7.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Nymo,Nov 2025

NRT - BKK

It’s great experience overall. Stewards are superb. Every crew member is so pleasant. I’ll fly JAL again.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Suvarnabhumi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Knoxville to Bangkok Suvarnabhumi?

    For a flight from Knoxville to Bangkok Suvarnabhumi, you will be flying from McGhee Tyson. Knoxville McGhee Tyson (TYS) is just 11.3 mi from the center of the city. McGhee Tyson is the only Knoxville airport and it handles 0 outbound flights to Bangkok Suvarnabhumi per day. 5 airlines have flights to Bangkok Suvarnabhumi from Knoxville McGhee Tyson on a regular basis.

  • How long is the flight from Knoxville to Bangkok Suvarnabhumi Airport?

    For as low as $860, United Airlines can have you in Bangkok Suvarnabhumi Airport from Knoxville in 35h 45m. The distance from Knoxville to Bangkok Suvarnabhumi Airport is about 8996 mi.

  • What are the cheapest airlines flying from Knoxville to Bangkok Suvarnabhumi Airport round-trip?

    Currently priced at $889, United Airlines will fly you from Knoxville to Bangkok Suvarnabhumi Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Japan Airlines and American Airlines - these airlines can fly you to your destination from $903 and $940, respectively. United Airlines is currently priced 28% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Knoxville to Bangkok Suvarnabhumi Airport one-way?

    The cheapest airlines for a one-way flight from Knoxville to Bangkok Suvarnabhumi Airport are Japan Airlines ($495), Korean Air ($524), and Delta ($529).

  • Can I find deals for flights from Knoxville to Suvarnabhumi that include hotel bookings?

    Yes. In addition to deals on Knoxville to Suvarnabhumi flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Knoxville to Suvarnabhumi?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to Suvarnabhumi.

  • Can I find deals for business class flights from Knoxville to Suvarnabhumi?

    Yes. Cheapflights offers flight deals from Knoxville to Suvarnabhumi by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Knoxville to Bangkok Suvarnabhumi Airport?

    Currently, April is the cheapest month in which you can book a flight from Knoxville to Bangkok Suvarnabhumi Airport (average of $522). Flying from Knoxville to Bangkok Suvarnabhumi Airport in June is currently the most expensive (average of $1,210). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Bangkok Suvarnabhumi Airport?

Book flights to Bangkok Suvarnabhumi Airport if you plan to visit one of these locations
Sattahip
Chonburi
Kanchanaburi
Cha-am
Ko Samet
Pak Chong
Ko Lan

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Knoxville to Suvarnabhumi

See prices for flight routes from nearby airports that may be better suited for you.
Nashville to Suvarnabhumi flights
Memphis to Suvarnabhumi flights
Blountville to Suvarnabhumi flights

Top 5 airlines flying from Knoxville to Suvarnabhumi

Discover the top 5 airlines that operate flights from Knoxville to Suvarnabhumi. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$889Average$1,187FlexibilityNo cancel feeOn-time69%
Japan AirlinesCheapest$903Average$992FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$940Average$1,200FlexibilityNo cancel feeOn-time71%
DeltaCheapest$1,033Average$1,259FlexibilityNo cancel feeOn-timeN/A
Qatar AirwaysCheapest$1,138Average$1,462FlexibilityNo cancel feeOn-time68%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.