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$924+ 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SGN
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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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 September 17, 2025.

Round-trip from

$924
(United Airlines)

Popular in

June

Cheapest in

December

Average price

$1,330
From Knoxville McGhee Tyson to Vietnam
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($559 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($86 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/17. 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 11/114:25 pmTYS - SGN
3 stops42h 30mUnited Airlines
Tue 11/256:00 amSGN - TYS
3 stops28h 30mUnited Airlines
Deal found 9/17$935
This American Airlines deal was found by Cheapflights users on 9/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/113:04 pmTYS - SGN
2 stops26h 46mAmerican Airlines
Tue 11/2511:35 pmSGN - TYS
2 stops29h 45mAmerican Airlines
Deal found 9/17$971
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Wed 11/54:55 pmTYS - SGN
3 stops42h 00mUnited Airlines
Sun 11/96:00 amSGN - TYS
3 stops29h 44mUnited Airlines
Deal found 9/16$1,025
This Fareboom deal was found by Cheapflights users on 9/16. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:43 pmTYS - SGN
2 stops28h 22mCathay Pacific
Thu 11/137:15 amSGN - TYS
2 stops26h 09mCathay Pacific
Deal found 9/16$1,154
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/55:44 amTYS - SGN
2 stops28h 41mDelta
Sun 11/911:50 pmSGN - TYS
2 stops34h 03mDelta
Deal found 9/16$1,185
This Korean Air deal was found by Cheapflights users on 9/16. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/219:32 amTYS - SGN
2 stops26h 43mMultiple Airlines
Sat 11/111:50 pmSGN - TYS
2 stops32h 20mMultiple Airlines
Deal found 9/16$1,230
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/147:00 amTYS - SGN
2 stops27h 55mUnited Airlines
Thu 11/136:00 amSGN - TYS
3 stops26h 33mUnited Airlines
Deal found 9/16$1,311
This United Airlines deal was found by Cheapflights users on 9/16. 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 9/218:52 amTYS - SGN
2 stops28h 23mUnited Airlines
Sat 11/16:00 amSGN - TYS
3 stops40h 05mUnited Airlines
Deal found 9/16$1,427
This United Airlines deal was found by Cheapflights users on 9/17. 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 12/77:25 pmTYS - SGN
3 stops39h 30mUnited Airlines
Sun 1/46:00 amSGN - TYS
3 stops49h 50mUnited Airlines
Deal found 9/17$1,726

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 September 17, 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

Thu 1/22

11:07 am-9:50 pm

2 stops46h 43m

Ho Chi Minh City

Thu 2/19

7:30 am-11:19 pm

2 stops27h 49m

$924

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Tue 11/11

4:25 pm-10:55 pm

3 stops42h 30m

Ho Chi Minh City

Tue 11/25

6:00 am-10:30 pm

3 stops28h 30m

$935

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Tue 11/11

3:04 pm-5:50 am

2 stops26h 46m

Ho Chi Minh City

Tue 11/25

11:35 pm-5:20 pm

2 stops29h 45m

$971

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Wed 11/5

4:55 pm-10:55 pm

3 stops42h 00m

Ho Chi Minh City

Sun 11/9

6:00 am-11:44 pm

3 stops29h 44m

$1,025

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Fri 1/16

5:29 pm-10:55 pm

3 stops41h 26m

Ho Chi Minh City

Tue 4/7

7:00 am-9:59 am

2 stops37h 59m

$1,084

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Tue 10/14

6:43 pm-10:05 am

2 stops28h 22m

Ho Chi Minh City

Thu 11/13

7:15 am-9:24 pm

2 stops26h 09m

$1,154

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Wed 11/5

5:44 am-10:25 pm

2 stops28h 41m

Ho Chi Minh City

Sun 11/9

11:50 pm-9:53 pm

2 stops34h 03m

$1,185

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

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 September 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Knoxville to Vietnam as you normally would.

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 September 17, 2025.
Peruse reviews from past customers who have flown with Korean Air 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
1,140 reviews

Boarding

8.5

Overall

8.4

Comfort

8.3

Crew

8.7

Entertainment

8.2

Food

8.1

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
1,140 reviews
Korean Air
8.4
Very good
1,140 reviews

Boarding

8.5

Overall

8.4

Comfort

8.3

Crew

8.7

Entertainment

8.2

Food

8.1

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
8,926 reviews
Korean Air
8.4
Very good
1,140 reviews

Boarding

8.5

Overall

8.4

Comfort

8.3

Crew

8.7

Entertainment

8.2

Food

8.1

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 43m. 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.

  • What is the cheapest month to book a flight from Knoxville to Vietnam?

    Currently, September is the cheapest month in which you can book a flight from Knoxville to Vietnam (average of $876). Flying from Knoxville to Vietnam in June is currently the most expensive (average of $1,427). 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

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Top 2 airlines flying from Knoxville to Vietnam

Discover the top 2 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$923Average$1,248FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$1,395Average$1,567FlexibilityNo cancel feeOn-time81%

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