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$1,155+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SGN
Apr 22 — Apr 291
Wed 4/22
Wed 4/29
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 March 23, 2026.

This United Airlines deal was found by Cheapflights users on 3/17. 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 9/247:35 pm
TYS
-
SGN
3 stops39h 30m
United Airlines
Mon 9/2811:15 pm
SGN
-
TYS
2 stops32h 50m
United Airlines
Deal found 3/17$1,155
This United Airlines deal was found by Cheapflights users on 3/19. 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.
Fri 9/115:45 am
TYS
-
SGN
3 stops29h 20m
United Airlines
Tue 9/157:00 am
SGN
-
TYS
3 stops26h 38m
United Airlines
Deal found 3/19$1,166
This KAYAK deal was found by Cheapflights users on 3/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/124:25 pm
TYS
-
SGN
2 stops42h 40m
ANA
Mon 10/1911:15 pm
SGN
-
TYS
2 stops50h 27m
ANA
Deal found 3/19$1,179
This United Airlines deal was found by Cheapflights users on 3/19. 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 10/124:25 pm
TYS
-
SGN
3 stops42h 40m
United Airlines
Mon 10/1911:15 pm
SGN
-
TYS
2 stops50h 27m
United Airlines
Deal found 3/19$1,183
This United Airlines deal was found by Cheapflights users on 3/21. 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 7/225:45 am
TYS
-
SGN
2 stops29h 10m
United Airlines
Sun 8/97:00 am
SGN
-
TYS
3 stops43h 53m
United Airlines
Deal found 3/21$1,256
This Gurufare deal was found by Cheapflights users on 3/21. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:30 am
TYS
-
SGN
2 stops28h 25m
ANA
Tue 9/1511:15 pm
SGN
-
TYS
2 stops28h 44m
ANA
Deal found 3/21$1,286
This United Airlines deal was found by Cheapflights users on 3/20. 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.
Tue 7/215:45 am
TYS
-
SGN
2 stops29h 10m
United Airlines
Sun 8/97:00 am
SGN
-
TYS
3 stops43h 53m
United Airlines
Deal found 3/20$1,306

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 March 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,256
(IEagle)

Popular in

May

Cheapest in

September

Average price

$1,438
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
Highest demand for flights based on searches. 9% potential increase in price ($134 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 23, 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

Cheapest round-trip

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Sun 5/10

8:45 am-10:05 pm

3 stops50h 20m

Ho Chi Minh City

Sun 6/7

11:15 pm-8:56 pm

2 stops32h 41m

$1,342

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Sun 5/10

7:18 pm-10:05 pm

3 stops39h 47m

Ho Chi Minh City

Wed 7/22

7:00 am-3:53 pm

3 stops43h 53m

$1,461

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Sat 4/11

2:25 pm-9:55 pm

2 stops44h 30m

Ho Chi Minh City

Sat 4/18

7:00 am-10:34 pm

3 stops50h 34m

$1,463
Quickest round-trip

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Sat 4/11

7:50 am-7:40 am

2 stops36h 50m

Ho Chi Minh City

Sat 4/18

8:00 pm-8:18 pm

2 stops35h 18m

$1,480

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Sun 5/10

6:30 am-1:50 pm

2 stops44h 20m

Ho Chi Minh City

Wed 7/22

8:00 pm-10:04 pm

2 stops37h 04m

$1,887

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/17

Sorted by cheapest first

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, September is the cheapest month in which you can book a flight from Knoxville to Vietnam (average of $889). 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 March 23, 2026.
Peruse reviews from past customers who have flown with Japan Airlines,Delta, andUnited 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
1,747 reviews

Comfort

8.2

Food

7.7

Entertainment

7.8

Boarding

8.4

Crew

8.7

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
1,747 reviews
Japan Airlines
8.3
Very good
1,747 reviews

Comfort

8.2

Food

7.7

Entertainment

7.8

Boarding

8.4

Crew

8.7

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
8,319 reviews
Japan Airlines
8.3
Very good
1,747 reviews

Comfort

8.2

Food

7.7

Entertainment

7.8

Boarding

8.4

Crew

8.7

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
9,458 reviews
Japan Airlines
8.3
Very good
1,747 reviews

Comfort

8.2

Food

7.7

Entertainment

7.8

Boarding

8.4

Crew

8.7

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 and Qatar Airways can get you from Knoxville to Vietnam in just under 36h 50m. Your travel time can differ by up to 13h 30m. The distance between Knoxville and Vietnam is about 9135 mi. This flight may include one or multiple stops.

  • 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 $889). 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 March 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$781Average$1,307FlexibilityNo cancel feeOn-timeN/A
Japan AirlinesCheapest$879Average$1,153FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$923Average$1,106FlexibilityNo cancel feeOn-time69%

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