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Vietnam

$505+ Cheap flights from Knoxville (TYS) to Vietnam

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 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SGN
Feb 13 — Feb 201
Fri 2/13
Fri 2/20
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 January 14, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$956
(United Airlines)

One-way from

$505
(Delta)

Popular in

May

Cheapest in

December

Average price

$1,151
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
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One-way flight from Knoxville McGhee Tyson to Vietnam
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Highest demand for flights based on searches. 16% potential increase in price ($252 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 14, 2026.

This United Airlines deal was found by Cheapflights users on 1/12. 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 1/225:29 pm
TYS
-
SGN
3 stops41h 26m
United Airlines
Sun 1/2511:05 pm
SGN
-
TYS
2 stops32h 22m
United Airlines
Deal found 1/12$877
This United Airlines deal was found by Cheapflights users on 1/12. 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 4/25:48 pm
TYS
-
SGN
3 stops41h 02m
United Airlines
Fri 4/177:00 am
SGN
-
TYS
3 stops43h 06m
United Airlines
Deal found 1/12$956
This Ovago deal was found by Cheapflights users on 1/12. 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.
Thu 4/25:48 pm
TYS
-
SGN
2 stops41h 02m
Multiple Airlines
Fri 4/177:00 am
SGN
-
TYS
2 stops43h 06m
Multiple Airlines
Deal found 1/12$971
This United Airlines deal was found by Cheapflights users on 1/12. 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 4/65:48 pm
TYS
-
SGN
3 stops41h 02m
United Airlines
Wed 4/157:00 am
SGN
-
TYS
3 stops27h 03m
United Airlines
Deal found 1/12$976
This United Airlines deal was found by Cheapflights users on 1/14. 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 2/282:21 pm
TYS
-
SGN
3 stops68h 34m
United Airlines
Sat 3/76:00 am
SGN
-
TYS
3 stops44h 02m
United Airlines
Deal found 1/14$1,056
This Delta deal was found by Cheapflights users on 1/12. 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.
Mon 4/610:04 am
TYS
-
SGN
2 stops26h 11m
Delta
Wed 4/151:55 pm
SGN
-
TYS
2 stops36h 43m
Delta
Deal found 1/12$1,086
This Ovago deal was found by Cheapflights users on 1/13. 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 1/176:45 am
TYS
-
SGN
2 stops29h 30m
ANA
Mon 1/1911:05 pm
SGN
-
TYS
2 stops32h 22m
ANA
Deal found 1/13$1,133
This United Airlines deal was found by Cheapflights users on 1/13. 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 5/87:00 am
TYS
-
SGN
2 stops30h 15m
United Airlines
Tue 6/1611:15 pm
SGN
-
TYS
2 stops35h 44m
United Airlines
Deal found 1/13$1,164

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 January 14, 2026.
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 4/2

5:48 pm-9:50 pm

3 stops41h 02m

Ho Chi Minh City

Fri 4/17

7:00 am-3:06 pm

3 stops43h 06m

$956

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Mon 4/6

5:48 pm-9:50 pm

3 stops41h 02m

Ho Chi Minh City

Wed 4/15

7:00 am-11:03 pm

3 stops27h 03m

$976

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Sat 2/28

2:21 pm-10:55 pm

3 stops68h 34m

Ho Chi Minh City

Sat 3/7

6:00 am-2:02 pm

3 stops44h 02m

$1,056

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Fri 5/8

7:00 am-12:15 am

2 stops30h 15m

Ho Chi Minh City

Tue 6/16

11:15 pm-11:59 pm

2 stops35h 44m

$1,164

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Sun 5/3

7:20 pm-9:50 pm

3 stops39h 30m

Ho Chi Minh City

Sat 5/9

11:15 pm-7:41 pm

2 stops31h 26m

$1,215

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Sun 5/3

7:07 pm-11:15 pm

2 stops41h 08m

Ho Chi Minh City

Sat 5/9

11:45 pm-3:06 pm

2 stops26h 21m

$1,317

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Sat 2/28

6:55 am-11:20 pm

2 stops28h 25m

Ho Chi Minh City

Sat 3/7

11:50 pm-8:52 pm

2 stops33h 02m

$1,441

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Thu 4/16

7:46 am-12:35 pm

2 stops41h 49m

$505

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Thu 4/16

11:27 am-6:35 am

3 stops32h 08m

$517

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Sat 5/16

10:05 am-11:15 pm

2 stops26h 10m

$671

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 11 results
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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 month to book a flight from Knoxville to Vietnam?

Currently, May is the cheapest month in which you can book a flight from Knoxville to Vietnam (average of $872). Flying from Knoxville to Vietnam in June is currently the most expensive (average of $2,286). 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 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 January 14, 2026.
Peruse reviews from past customers who have flown with Korean Air, Japan Airlines, and Delta 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
1,187 reviews

Entertainment

8.2

Food

8.1

Overall

8.4

Boarding

8.5

Comfort

8.3

Crew

8.7

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
1,187 reviews
Korean Air
8.4
Very good
1,187 reviews

Entertainment

8.2

Food

8.1

Overall

8.4

Boarding

8.5

Comfort

8.3

Crew

8.7

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.
Japan Airlines
8.3
Very good
1,681 reviews
Korean Air
8.4
Very good
1,187 reviews

Entertainment

8.2

Food

8.1

Overall

8.4

Boarding

8.5

Comfort

8.3

Crew

8.7

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
8,040 reviews
Korean Air
8.4
Very good
1,187 reviews

Entertainment

8.2

Food

8.1

Overall

8.4

Boarding

8.5

Comfort

8.3

Crew

8.7

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
9,156 reviews
Korean Air
8.4
Very good
1,187 reviews

Entertainment

8.2

Food

8.1

Overall

8.4

Boarding

8.5

Comfort

8.3

Crew

8.7

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 41h 02m. 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, May is the cheapest month in which you can book a flight from Knoxville to Vietnam (average of $872). Flying from Knoxville to Vietnam in June is currently the most expensive (average of $2,286). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Knoxville to Vietnam

Discover the top 4 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 January 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$879Average$1,118FlexibilityNo cancel feeOn-time79%
Korean AirCheapest$910Average$1,419FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$930Average$1,106FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,134Average$1,392FlexibilityNo cancel feeOn-timeN/A

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