Cheap flights from Knoxville to Vietnam from $471

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Vietnam departing on 3/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Knoxville to Vietnam

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:40 am - 9:55 pm
TYS
-
SGN
25h 15m
2 stops
United Airlines Logo
11:15 pm - 2:34 pm
SGN
-
TYS
26h 19m
2 stops
$927United Airlines
Mon, Apr 20 - Fri, May 8
United Airlines Logo
5:48 pm - 10:05 pm
TYS
-
SGN
41h 17m
3 stops
United Airlines Logo
11:15 pm - 8:12 pm
SGN
-
TYS
31h 57m
2 stops
$931United Airlines
Mon, Apr 20 - Fri, May 8
United Airlines Logo
7:25 pm - 10:55 pm
TYS
-
SGN
39h 30m
3 stops
United Airlines Logo
6:00 am - 10:30 pm
SGN
-
TYS
51h 30m
3 stops
$987United Airlines
Mon, Mar 2 - Wed, Mar 25
Asiana Airlines Logo
7:25 pm - 10:55 pm
TYS
-
SGN
39h 30m
2 stops
Asiana Airlines Logo
6:00 am - 10:30 pm
SGN
-
TYS
51h 30m
2 stops
$997Asiana Airlines
Mon, Mar 2 - Wed, Mar 25
United Airlines Logo
6:45 am - 9:50 pm
TYS
-
SGN
51h 05m
2 stops
United Airlines Logo
6:00 am - 10:30 pm
SGN
-
TYS
51h 30m
3 stops
$1,080United Airlines
Mon, Mar 2 - Wed, Mar 25
United Airlines Logo
7:20 pm - 10:05 pm
TYS
-
SGN
39h 45m
3 stops
United Airlines Logo
7:00 am - 10:49 am
SGN
-
TYS
38h 49m
3 stops
$1,102United Airlines
Mon, Apr 20 - Fri, May 8
United Airlines Logo
7:25 pm - 10:55 pm
TYS
-
SGN
40h 30m
3 stops
United Airlines Logo
6:00 am - 10:30 pm
SGN
-
TYS
51h 30m
3 stops
$1,189United Airlines
Wed, Mar 18 - Sun, Mar 22
United Airlines Logo
7:05 am - 10:55 pm
TYS
-
SGN
52h 50m
3 stops
United Airlines Logo
6:00 am - 10:30 pm
SGN
-
TYS
51h 30m
3 stops
$1,203United Airlines
Wed, Mar 18 - Sun, Mar 22
United Airlines Logo
7:05 am - 10:55 pm
TYS
-
SGN
52h 50m
3 stops
United Airlines Logo
6:00 am - 8:47 pm
SGN
-
TYS
49h 47m
3 stops
$1,204United Airlines
Wed, Mar 18 - Sun, Mar 22
United Airlines Logo
5:27 pm - 10:55 pm
TYS
-
SGN
41h 28m
3 stops
United Airlines Logo
6:00 am - 10:30 pm
SGN
-
TYS
51h 30m
3 stops
$1,316United Airlines
Mon, Mar 2 - Sun, Mar 15

Qatar Airways flights from Knoxville to Vietnam

Our best Qatar Airways deals on Knoxville to Vietnam flight tickets
Qatar Airways
Feb 27
TYS11:42 amKnoxville McGhee Tyson
37h 23m
2 stops
SGN1:05 pmHo Chi Minh City
Mar 2
SGN8:55 amHo Chi Minh City
51h 04m
2 stops
TYS11:59 pmKnoxville McGhee Tyson
$1,801
Qatar Airways
Mar 18
TYS12:21 pmKnoxville McGhee Tyson
31h 54m
2 stops
SGN7:15 amHo Chi Minh City
Mar 22
SGN8:55 amHo Chi Minh City
47h 29m
2 stops
TYS9:24 pmKnoxville McGhee Tyson
$1,903
Qatar Airways
Mar 18
TYS6:21 pmKnoxville McGhee Tyson
31h 44m
2 stops
SGN1:05 pmHo Chi Minh City
Mar 22
SGN8:55 amHo Chi Minh City
47h 29m
2 stops
TYS9:24 pmKnoxville McGhee Tyson
$2,098

United Airlines flights from Knoxville to Vietnam

Our best United Airlines deals on Knoxville to Vietnam flight tickets
United Airlines
Apr 20
TYS9:40 amKnoxville McGhee Tyson
25h 15m
2 stops
SGN9:55 pmHo Chi Minh City
May 8
SGN11:15 pmHo Chi Minh City
26h 19m
2 stops
TYS2:34 pmKnoxville McGhee Tyson
$927
United Airlines
Apr 20
TYS5:48 pmKnoxville McGhee Tyson
41h 17m
3 stops
SGN10:05 pmHo Chi Minh City
May 8
SGN11:15 pmHo Chi Minh City
31h 57m
2 stops
TYS8:12 pmKnoxville McGhee Tyson
$931
United Airlines
Mar 2
TYS7:25 pmKnoxville McGhee Tyson
39h 30m
3 stops
SGN10:55 pmHo Chi Minh City
Mar 25
SGN6:00 amHo Chi Minh City
51h 30m
3 stops
TYS10:30 pmKnoxville McGhee Tyson
$987

momondo 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, momondo users made 832,500 searches. Data last updated February 14, 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

Mon 4/20

9:40 am-9:55 pm

2 stops25h 15m

Ho Chi Minh City

Fri 5/8

11:15 pm-2:34 pm

2 stops26h 19m

$927

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Mon 4/20

5:48 pm-10:05 pm

3 stops41h 17m

Ho Chi Minh City

Fri 5/8

11:15 pm-8:12 pm

2 stops31h 57m

$931

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Mon 3/2

7:25 pm-10:55 pm

3 stops39h 30m

Ho Chi Minh City

Wed 3/25

6:00 am-10:30 pm

3 stops51h 30m

$987

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Mon 3/2

7:25 pm-10:55 pm

2 stops39h 30m

Ho Chi Minh City

Wed 3/25

6:00 am-10:30 pm

2 stops51h 30m

$997

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Mon 3/2

6:45 am-9:50 pm

2 stops51h 05m

Ho Chi Minh City

Wed 3/25

6:00 am-10:30 pm

3 stops51h 30m

$1,080

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Mon 4/20

7:20 pm-10:05 pm

3 stops39h 45m

Ho Chi Minh City

Fri 5/8

7:00 am-10:49 am

3 stops38h 49m

$1,102

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Wed 3/18

7:25 pm-10:55 pm

3 stops40h 30m

Ho Chi Minh City

Sun 3/22

6:00 am-10:30 pm

3 stops51h 30m

$1,189

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Wed 3/18

7:05 am-10:55 pm

3 stops52h 50m

Ho Chi Minh City

Sun 3/22

6:00 am-10:30 pm

3 stops51h 30m

$1,203

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Wed 3/18

7:05 am-10:55 pm

3 stops52h 50m

Ho Chi Minh City

Sun 3/22

6:00 am-8:47 pm

3 stops49h 47m

$1,204

KnoxvilleHo Chi Minh City

TYS - SGN

TYSSGN

Knoxville McGhee Tyson

Mon 3/2

5:27 pm-10:55 pm

3 stops41h 28m

Ho Chi Minh City

Sun 3/15

6:00 am-10:30 pm

3 stops51h 30m

$1,316

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Vietnam from

How to get the cheapest flight ticket from Knoxville to Vietnam

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Knoxville McGhee Tyson to Vietnam?

United Airlines, Japan Airlines, and EVA Air are the most popular carriers operating from Knoxville McGhee Tyson to Vietnam

What airlines fly to Vietnam?

Delta, United Airlines and Korean Air are the top three most popular airlines that fly to Vietnam from Knoxville according to our data. Delta is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Vietnam. Keep in mind that there are 5 different airlines that fly to Vietnam on a routine basis, so you have a few additional options to choose from.

Cheap Knoxville to Vietnam flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to Vietnam

Fastest flight time

25h 15m

Direct flights

None
The fastest flight from Knoxville to Vietnam takes 25h 15m
There are no direct flights from Knoxville to Vietnam. There are no popular flight routes from Knoxville to Vietnam.
  • When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Vietnam?

    Prices for flights from Knoxville McGhee Tyson Airport to Vietnam are refreshed on a daily basis.

  • How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Vietnam?

  • How old do you have to be to fly from Knoxville McGhee Tyson Airport to Vietnam?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Vietnam.

  • What documentation or ID do you need to fly to Vietnam?

    The necessary travel and health documents for your Vietnam trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Knoxville to Vietnam

Compare and see reviews for airlines that fly from Knoxville to Vietnam with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $781Free CancellationRating
7.9
8,200 reviews
Search Delta flights
Japan AirlinesPriceFrom $879Free CancellationRating
8.3
1,705 reviews
Search Japan Airlines flights
United AirlinesPriceFrom $923Free CancellationRating
7.4
9,293 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to Vietnam?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Knoxville to Vietnam. momondo saves you time and could save you money on your trip.

Can I find flights from Knoxville to Vietnam with flexible booking policies on momondo?

Yes. All flights to Vietnam from Knoxville on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Knoxville to Vietnam?

momondo helps you find the best flight between Knoxville and Vietnam by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Knoxville to Vietnam right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Knoxville to Vietnam flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Vietnam trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 3/16
Mon 3/23

Find better results for your trip to Vietnam

Popular cities in Vietnam

Popular flights according to clicks in the last 7 days on momondo