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$926+ Cheap flights from Knoxville (TYS) to Vietnam

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SGN
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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Find flight deals from Knoxville to Vietnam

Cheapest flights from Knoxville to Vietnam
Explore the most affordable flight options available from Knoxville to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2025.

This United Airlines deal was found by Cheapflights users on 11/17. 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.
Thu 11/278:50 amTYS - SGN
3 stops74h 05mUnited Airlines
Mon 12/111:05 pmSGN - TYS
2 stops33h 59mUnited Airlines
Deal found 11/17$1,029
This United Airlines deal was found by Cheapflights users on 11/20. 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 11/248:50 amTYS - SGN
2 stops27h 25mUnited Airlines
Wed 11/2611:05 pmSGN - TYS
2 stops33h 15mUnited Airlines
Deal found 11/20$1,123
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Fri 11/218:50 amTYS - SGN
2 stops27h 25mUnited Airlines
Fri 11/287:30 amSGN - TYS
2 stops27h 00mUnited Airlines
Deal found 11/20$1,181
This United Airlines deal was found by Cheapflights users on 11/17. 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.
Fri 11/215:45 amTYS - SGN
3 stops30h 30mUnited Airlines
Sun 11/2311:05 pmSGN - TYS
2 stops30h 03mUnited Airlines
Deal found 11/17$1,313
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Sat 12/134:30 pmTYS - SGN
3 stops66h 25mUnited Airlines
Sun 1/1811:05 pmSGN - TYS
2 stops32h 22mUnited Airlines
Deal found 11/20$1,716
This Ovago deal was found by Cheapflights users on 11/20. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/135:24 amTYS - SGN
2 stops36h 31mJapan Airlines
Sun 1/187:50 amSGN - TYS
2 stops43h 56mJapan Airlines
Deal found 11/20$2,173

Cheap flight deals from Knoxville to Vietnam

Keep the following information in mind while searching for Knoxville to Vietnam flight deals. Data was last updated November 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$926
(United Airlines)

Popular in

June

Cheapest in

December

Average price

$1,365
Provider with most accurate pricing for Knoxville McGhee Tyson-Ho Chi Minh City flight deals.
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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Ho Chi Minh City flights.
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From Knoxville McGhee Tyson to Vietnam
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($569 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($88 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Vietnam 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 November 20, 2025.
Use the filters below to find and compare flights from Knoxville to Vietnam that are best for you.

Fly from

Knoxville

Fly to

Vietnam

Route

Depart

Return

Price

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Tue 1/20

11:10 am-9:50 pm

2 stops46h 40m

Ho Chi Minh City

Tue 3/24

11:05 pm-10:49 am

2 stops46h 44m

$926

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Sun 1/11

5:29 pm-9:50 pm

2 stops64h 21m

Ho Chi Minh City

Wed 1/21

7:30 am-7:50 pm

2 stops24h 20m

$929

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Sun 2/15

4:55 pm-10:55 pm

3 stops42h 00m

Ho Chi Minh City

Mon 3/30

7:00 am-3:02 pm

3 stops43h 02m

$935

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Sun 2/22

6:45 am-10:55 pm

3 stops52h 10m

Ho Chi Minh City

Tue 4/7

7:00 am-10:49 am

3 stops38h 49m

$950

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Sun 2/15

1:55 pm-9:50 pm

2 stops67h 55m

Ho Chi Minh City

Sat 4/4

7:00 am-10:08 am

3 stops38h 08m

$982

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Best time to book a flight from Knoxville to Vietnam

Have a flexible travel schedule? Discover the best time to fly to Vietnam 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 Vietnam

What is the cheapest time of day to fly from TYS to VN?

Find hourly flight availability from Knoxville to Vietnam. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2025.

One of the essential ways to save on airfare from Knoxville to Vietnam is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 31% on airfare.

Reviews of airlines servicing Vietnam

Get insights into the airlines that provide service to Vietnam. 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 Vietnam. Reviews last updated November 20, 2025.
Peruse reviews from past customers who have flown with Korean Air, Delta, and United Airlines from Knoxville to Vietnam to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,170 reviews

Comfort

8.3

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Korean Air
8.4
Very good
1,170 reviews
Korean Air
8.4
Very good
1,170 reviews

Comfort

8.3

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Delta
7.9
Good
8,002 reviews
Korean Air
8.4
Very good
1,170 reviews

Comfort

8.3

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
United Airlines
7.4
Good
9,028 reviews
Korean Air
8.4
Very good
1,170 reviews

Comfort

8.3

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Vietnam. 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 Vietnam?

    If you book a flight to Vietnam from Knoxville, you will be flying from McGhee Tyson, which is the city’s only airport. Knoxville McGhee Tyson (TYS) is located 11.3 mi from the center of Knoxville.

  • How long is the flight from Knoxville to Vietnam?

    United Airlines can get you from Knoxville to Vietnam in just under 46h 40m. Your travel time can differ by up to . The distance between Knoxville and Vietnam is about 9135 mi.

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

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

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

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

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

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

See more FAQs

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Top 3 airlines flying from Knoxville to Vietnam

Discover the top 3 airlines that operate flights from Knoxville to Vietnam. 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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$923Average$1,249FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,260Average$1,465FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$1,395Average$1,421FlexibilityNo cancel feeOn-time81%

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