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$601+ 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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SGN
Mar 28 — Apr 41
Sat 3/28
Sat 4/4
1 adult, Economy
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Cheap 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 February 26, 2026.

This Delta deal was found by Cheapflights users on 2/25. 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.
Tue 4/215:40 am
TYS
-
SGN
2 stops29h 30m
Delta
Thu 5/217:30 am
SGN
-
TYS
2 stops27h 26m
Delta
Deal found 2/25$956
This United Airlines deal was found by Cheapflights users on 2/25. 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 4/217:00 am
TYS
-
SGN
2 stops51h 55m
United Airlines
Thu 5/217:00 am
SGN
-
TYS
3 stops50h 19m
United Airlines
Deal found 2/25$961
This United Airlines deal was found by Cheapflights users on 2/23. 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 4/137:20 pm
TYS
-
SGN
3 stops39h 45m
United Airlines
Tue 4/287:00 am
SGN
-
TYS
3 stops38h 50m
United Airlines
Deal found 2/23$982
This United Airlines deal was found by Cheapflights users on 2/24. 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 3/17:25 pm
TYS
-
SGN
3 stops39h 30m
United Airlines
Tue 4/77:00 am
SGN
-
TYS
3 stops38h 08m
United Airlines
Deal found 2/24$988
This United Airlines deal was found by Cheapflights users on 2/24. 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 3/77:01 pm
TYS
-
SGN
3 stops39h 54m
United Airlines
Tue 4/77:00 am
SGN
-
TYS
3 stops38h 08m
United Airlines
Deal found 2/24$1,027
This United Airlines deal was found by Cheapflights users on 2/22. 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 3/227:00 am
TYS
-
SGN
3 stops52h 55m
United Airlines
Wed 4/227:00 am
SGN
-
TYS
3 stops43h 09m
United Airlines
Deal found 2/22$1,031
This United Airlines deal was found by Cheapflights users on 2/24. 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 3/54:18 pm
TYS
-
SGN
3 stops42h 37m
United Airlines
Tue 4/77:00 am
SGN
-
TYS
3 stops38h 08m
United Airlines
Deal found 2/24$1,048
This United Airlines deal was found by Cheapflights users on 2/24. 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 4/107:00 am
TYS
-
SGN
3 stops28h 05m
United Airlines
Fri 4/177:00 am
SGN
-
TYS
3 stops26h 29m
United Airlines
Deal found 2/24$1,067
This Ovago deal was found by Cheapflights users on 2/24. 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.
Tue 3/39:40 am
TYS
-
SGN
2 stops49h 15m
Air China
Wed 4/17:00 am
SGN
-
TYS
2 stops43h 06m
Air China
Deal found 2/24$1,078
This United Airlines deal was found by Cheapflights users on 2/24. 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 3/26:45 am
TYS
-
SGN
2 stops51h 05m
United Airlines
Tue 4/77:00 am
SGN
-
TYS
3 stops38h 08m
United Airlines
Deal found 2/24$1,080

Find flight deals from Knoxville to Vietnam

Keep the following information in mind while searching for Knoxville to Vietnam flight deals. Data was last updated February 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$956
(Delta)

One-way from

$601
(Kiwi.com)

Popular in

May

Cheapest in

December

Average price

$1,134
Provider with most accurate pricing for Knoxville McGhee Tyson-Ho Chi Minh City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Ho Chi Minh City flights.
Search Deals
From Knoxville McGhee Tyson to Vietnam
Search Deals
One-way flight from Knoxville McGhee Tyson to Vietnam
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($137 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 26, 2026.
Use the filters below to find and compare flights from Knoxville to Vietnam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Tue 4/21

10:49 am-10:05 pm

3 stops48h 16m

Ho Chi Minh City

Thu 5/21

7:00 am-10:19 pm

3 stops50h 19m

$961

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Sun 3/22

7:00 am-10:55 pm

3 stops52h 55m

Ho Chi Minh City

Wed 4/22

7:00 am-3:09 pm

3 stops43h 09m

$1,031

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Fri 4/10

7:00 am-12:15 am

2 stops30h 15m

Ho Chi Minh City

Fri 4/17

7:00 am-10:29 pm

3 stops26h 29m

$1,160

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Thu 3/19

4:55 pm-10:55 pm

3 stops43h 00m

Ho Chi Minh City

Mon 3/23

6:00 am-10:19 am

3 stops39h 19m

$1,246

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Sun 3/22

10:04 am-11:20 pm

2 stops26h 16m

Ho Chi Minh City

Wed 4/22

11:45 pm-6:14 pm

2 stops29h 29m

$1,586

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Thu 3/19

7:10 am-11:20 pm

2 stops29h 10m

Ho Chi Minh City

Mon 3/23

11:50 pm-11:57 pm

2 stops35h 07m

$1,928

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Thu 3/19

6:21 pm-1:05 pm

2 stops31h 44m

Ho Chi Minh City

Mon 3/23

8:55 am-11:59 pm

2 stops50h 04m

$2,008

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Wed 4/1

1:52 pm-9:55 pm

2 stops45h 03m

Ho Chi Minh City

Wed 4/15

11:15 pm-1:14 pm

2 stops24h 59m

$4,131

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Fri 5/22

12:55 pm-6:35 am

3 stops54h 40m

$649

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Fri 3/6

2:06 pm-12:45 am

3 stops46h 39m

$672

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/24

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 $1,780). 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 February 26, 2026.
Peruse reviews from past customers who have flown with Japan Airlines, 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.
Japan Airlines
8.3
Very good
1,714 reviews

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Crew

8.7

Food

7.7

Overall

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

HNL - KIX

Local boy flight attendant was amazing. Super friendly and attentive.
Japan Airlines
8.3
Very good
1,714 reviews
Japan Airlines
8.3
Very good
1,714 reviews

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Crew

8.7

Food

7.7

Overall

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

HNL - KIX

Local boy flight attendant was amazing. Super friendly and attentive.
Delta
7.9
Good
8,235 reviews
Japan Airlines
8.3
Very good
1,714 reviews

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Crew

8.7

Food

7.7

Overall

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

HNL - KIX

Local boy flight attendant was amazing. Super friendly and attentive.
United Airlines
7.4
Good
9,349 reviews
Japan Airlines
8.3
Very good
1,714 reviews

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Crew

8.7

Food

7.7

Overall

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

HNL - KIX

Local boy flight attendant was amazing. Super friendly and attentive.

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 48h 16m. 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 $1,780). 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 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 February 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$781Average$1,307FlexibilityNo cancel feeOn-timeN/A
Japan AirlinesCheapest$879Average$1,118FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$923Average$1,106FlexibilityNo cancel feeOn-time69%

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