How long is the flight from Knoxville to Vietnam?

United Airlines can get you from Knoxville to Vietnam in just under 39h 35m. Your travel time can differ by up to . The distance between Knoxville and Vietnam is about 9135 mi.

In terms of precipitation, rainfall in Vietnam ranges from 0.0 - 13.4 inches per month. September is typically the wettest month, when rainfall can reach 13.4 in. February is typically the driest time to visit Vietnam when rainfall is around 0.0 in.

If weather is an important factor for your trip to Vietnam, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

What are the most popular airlines that fly from Knoxville to Vietnam?

When booking a flight from Knoxville to Vietnam, you may want to consider flying on United Airlines, Delta or Japan Airlines as they are the most popular for this route.

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.

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.

$828+ Flights from Knoxville to Vietnam

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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 December 5, 2025.

Thu 12/258:40 amTYS - SGN

3 stops50h 15mUnited Airlines

Thu 1/157:30 amSGN - TYS

2 stops25h 22mUnited Airlines

Deal found 12/2

$1,334

Thu 12/255:15 amTYS - SGN

2 stops38h 00mQatar Airways

Thu 1/157:40 pmSGN - TYS

2 stops38h 29mQatar Airways

Deal found 12/2

$2,527

Best flights from Knoxville to Vietnam
Discover carefully curated flight deals from Knoxville to Vietnam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 5, 2025.

Mon 1/127:20 pmTYS - SGN

3 stops39h 35mUnited Airlines

Mon 1/2611:05 pmSGN - TYS

2 stops32h 22mUnited Airlines

Deal found 12/3

$830

Thu 1/296:45 amTYS - SGN

2 stops51h 05mUnited Airlines

Mon 2/211:05 pmSGN - TYS

2 stops26h 19mUnited Airlines

Deal found 12/3

$838

Sun 2/157:25 pmTYS - SGN

3 stops39h 30mUnited Airlines

Mon 3/307:00 amSGN - TYS

3 stops43h 02mUnited Airlines

Deal found 12/3

$841

Sat 2/149:10 amTYS - SGN

3 stops73h 45mUnited Airlines

Thu 4/27:00 amSGN - TYS

3 stops48h 46mUnited Airlines

Deal found 12/3

$847

Sat 2/142:21 pmTYS - SGN

3 stops68h 34mUnited Airlines

Mon 3/307:00 amSGN - TYS

3 stops43h 02mUnited Airlines

Deal found 12/3

$855

Tue 2/311:40 amTYS - SGN

2 stops48h 35mUnited Airlines

Mon 3/307:00 amSGN - TYS

3 stops43h 02mUnited Airlines

Deal found 12/2

$863

Sat 2/71:59 pmTYS - SGN

3 stops68h 56mUnited Airlines

Mon 3/307:00 amSGN - TYS

3 stops43h 02mUnited Airlines

Deal found 12/2

$867

Last-minute flights from Knoxville to Vietnam
Discover last-minute flight deals from Knoxville to Vietnam. Data last updated December 5, 2025 and is based on user searches.

Sat 1/106:59 amTYS - SGN

2 stops29h 16mUnited Airlines

Sat 4/117:00 amSGN - TYS

3 stops38h 08mUnited Airlines

Deal found 12/4

$1,019

Mon 1/127:20 pmTYS - SGN

3 stops39h 35mUnited Airlines

Mon 1/266:00 amSGN - TYS

3 stops40h 57mUnited Airlines

Deal found 12/3

$828

Mon 1/126:45 amTYS - SGN

2 stops51h 05mANA

Mon 1/267:30 amSGN - TYS

2 stops41h 54mANA

Deal found 12/3

$845

Sun 1/184:55 pmTYS - SGN

3 stops42h 00mUnited Airlines

Sun 2/226:00 amSGN - TYS

3 stops52h 30mUnited Airlines

Deal found 12/3

$1,025

Mon 1/194:55 pmTYS - SGN

3 stops42h 00mUnited Airlines

Mon 2/236:00 amSGN - TYS

3 stops40h 12mUnited Airlines

Deal found 12/3

$1,057

Mon 1/197:00 amTYS - SGN

2 stops27h 25mDelta

Mon 2/238:00 amSGN - TYS

2 stops41h 51mDelta

Deal found 12/3

$1,135

Thu 1/296:45 amTYS - SGN

2 stops51h 05mUnited Airlines

Mon 2/211:05 pmSGN - TYS

2 stops26h 19mUnited Airlines

Deal found 12/3

$838

Find flight deals from Knoxville to Vietnam

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$828 (United Airlines)
Popular in	June
Cheapest in	December
Average price	$1,043

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.

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From Knoxville McGhee Tyson to Vietnam

Search Deals

Highest demand for flights based on searches. 28% potential increase in price ($577 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($87 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Mon 1/12

7:20 pm-10:55 pm

3 stops39h 35m

Ho Chi Minh City

Mon 1/26

11:05 pm-7:27 pm

2 stops32h 22m

$830

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Thu 1/29

6:45 am-9:50 pm

2 stops51h 05m

Ho Chi Minh City

Mon 2/2

11:05 pm-1:24 pm

2 stops26h 19m

$838

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Sun 2/15

7:25 pm-10:55 pm

3 stops39h 30m

Ho Chi Minh City

Mon 3/30

7:00 am-3:02 pm

3 stops43h 02m

$841

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Sat 2/14

9:10 am-10:55 pm

3 stops73h 45m

Ho Chi Minh City

Thu 4/2

7:00 am-8:46 pm

3 stops48h 46m

$847

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Sat 2/14

2:21 pm-10:55 pm

3 stops68h 34m

Ho Chi Minh City

Mon 3/30

7:00 am-3:02 pm

3 stops43h 02m

$855

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Tue 2/3

11:40 am-12:15 am

2 stops48h 35m

Ho Chi Minh City

Mon 3/30

7:00 am-3:02 pm

3 stops43h 02m

$863

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Sat 2/7

1:59 pm-10:55 pm

3 stops68h 56m

Ho Chi Minh City

Mon 3/30

7:00 am-3:02 pm

3 stops43h 02m

$867

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

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?

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

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

1,638 reviews

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

1,638 reviews

Japan Airlines

8.3

Very good

1,638 reviews

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

8,011 reviews

Japan Airlines

8.3

Very good

1,638 reviews

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

9,065 reviews

Japan Airlines

8.3

Very good

1,638 reviews

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

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 39h 35m. 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

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Knoxville to Vietnam

Airline	Cheapest	Average	Flexibility	On-time
Japan Airlines	Cheapest$879	Average$1,153	FlexibilityNo cancel fee	On-time79%
United Airlines	Cheapest$930	Average$1,106	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$1,260	Average$1,465	FlexibilityNo cancel fee	On-timeN/A

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$828+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Knoxville to Vietnam with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Knoxville to Vietnam

Cheapest flights from Knoxville to VietnamExplore 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 December 5, 2025.

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 December 5, 2025.

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 December 5, 2025.

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

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.

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 December 5, 2025.

Reviews of airlines servicing Vietnam

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.

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?

How long is the flight from Knoxville to Vietnam?

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

How can I find direct flights from Knoxville to Vietnam?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Knoxville to Vietnam

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Knoxville to Vietnam

100% Free

Book with Flexibility

Travel Smart

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 December 5, 2025.