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$643+ Cheap flights from Knoxville (TYS) to Vienna (VIE)

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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — VIE
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Knoxville to Vienna

Cheapest flights from Knoxville to Vienna
Explore the most affordable flight options available from Knoxville to Vienna. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This United Airlines deal was found by Cheapflights users on 1/27. 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 3/132:21 pm
TYS
-
VIE
2 stops15h 09m
United Airlines
Fri 3/206:50 am
VIE
-
TYS
2 stops21h 54m
United Airlines
Deal found 1/27$643
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Wed 2/411:10 am
TYS
-
VIE
2 stops19h 10m
United Airlines
Tue 2/1010:35 am
VIE
-
TYS
2 stops39h 15m
United Airlines
Deal found 1/25$686
This United Airlines deal was found by Cheapflights users on 1/27. 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 2/119:30 am
TYS
-
VIE
2 stops20h 50m
United Airlines
Tue 2/1710:35 am
VIE
-
TYS
2 stops39h 20m
United Airlines
Deal found 1/27$687
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Wed 2/181:50 pm
TYS
-
VIE
2 stops16h 30m
United Airlines
Sun 2/2210:35 am
VIE
-
TYS
2 stops43h 09m
United Airlines
Deal found 1/25$691
This Mytrip deal was found by Cheapflights users on 1/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/189:40 am
TYS
-
VIE
2 stops16h 55m
Air Canada
Tue 2/2410:35 am
VIE
-
TYS
2 stops34h 40m
Air Canada
Deal found 1/25$693
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Wed 1/287:20 pm
TYS
-
VIE
2 stops16h 45m
United Airlines
Wed 2/410:35 am
VIE
-
TYS
1 stop14h 52m
United Airlines
Deal found 1/25$701
This United Airlines deal was found by Cheapflights users on 1/26. 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 2/92:25 pm
TYS
-
VIE
2 stops15h 55m
United Airlines
Mon 2/1610:35 am
VIE
-
TYS
1 stop14h 54m
United Airlines
Deal found 1/26$706
This oojo deal was found by Cheapflights users on 1/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/42:19 pm
TYS
-
VIE
2 stops17h 01m
British Airways
Tue 2/107:25 am
VIE
-
TYS
2 stops19h 31m
British Airways
Deal found 1/27$707

Find flight deals from Knoxville to Vienna

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Vienna (VIE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$643
(United Airlines)

Popular in

December

Cheapest in

February

Average price

$699
Provider with most accurate pricing for Knoxville McGhee Tyson-Vienna Intl flight deals.
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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Vienna Intl flights.
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From Knoxville McGhee Tyson to Vienna Intl
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Vienna 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 27, 2026.
Use the filters below to find and compare flights from Knoxville to Vienna that are best for you.

Fly from

Knoxville

Fly to

Vienna

Route

Depart

Return

Price

KnoxvilleVienna

TYS - VIE

TYSVIE

Knoxville McGhee Tyson

Fri 3/13

2:21 pm-10:30 am

2 stops15h 09m

Vienna Intl

Fri 3/20

6:50 am-11:44 pm

2 stops21h 54m

$643

KnoxvilleVienna

TYS - VIE

TYSVIE

Knoxville McGhee Tyson

Wed 2/11

2:25 pm-12:20 pm

2 stops15h 55m

Vienna Intl

Tue 2/17

10:35 am-7:55 pm

2 stops39h 20m

$686

KnoxvilleVienna

TYS - VIE

TYSVIE

Knoxville McGhee Tyson

Wed 2/18

6:45 am-8:05 am

1 stop19h 20m

Vienna Intl

Tue 2/24

10:35 am-7:55 pm

2 stops39h 20m

$690

KnoxvilleVienna

TYS - VIE

TYSVIE

Knoxville McGhee Tyson

Wed 2/18

1:50 pm-12:20 pm

2 stops16h 30m

Vienna Intl

Sun 2/22

10:35 am-11:44 pm

2 stops43h 09m

$691

KnoxvilleVienna

TYS - VIE

TYSVIE

Knoxville McGhee Tyson

Wed 2/18

9:40 am-8:35 am

2 stops16h 55m

Vienna Intl

Tue 2/24

10:35 am-3:15 pm

2 stops34h 40m

$693

KnoxvilleVienna

TYS - VIE

TYSVIE

Knoxville McGhee Tyson

Mon 2/9

2:25 pm-8:30 am

1 stop12h 05m

Vienna Intl

Sun 2/15

10:35 am-11:44 pm

2 stops43h 09m

$695

KnoxvilleVienna

TYS - VIE

TYSVIE

Knoxville McGhee Tyson

Mon 2/9

2:25 pm-12:20 pm

2 stops15h 55m

Vienna Intl

Mon 2/16

10:35 am-7:29 pm

1 stop14h 54m

$706

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Compare providers for flights from Knoxville to Vienna

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to Vienna in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Knoxville-Vienna flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Vienna flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-Vienna flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-Vienna flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-Vienna flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Knoxville to Vienna

Have a flexible travel schedule? Discover the best time to fly to Vienna 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.

Reviews of airlines servicing Vienna

Get insights into the airlines that provide service to Vienna. 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 Vienna. Reviews last updated January 27, 2026.
Read through reviews of airlines operating flights from Knoxville to Vienna, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,205 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,205 reviews
United Airlines
7.4
Good
9,205 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Vienna. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Knoxville to Vienna?

    There are many flights that can get you from Knoxville to Vienna in 15h 09m. Fly via United Airlines to get the fastest option. The distance from Knoxville to Vienna is about 4857 mi.

  • What is the cheapest airline to fly from Knoxville to Vienna round-trip?

    Our cheapest airline available from Knoxville to Vienna is United Airlines. Our recent data shows that you can find tickets from as low as $740 on this airline. United Airlines is currently priced 23% below the average price you’ll pay for this route.

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

    Yes. In addition to deals on Knoxville to Vienna flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Knoxville to Vienna?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to Vienna.

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

    Yes. Cheapflights offers flight deals from Knoxville to Vienna 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

Traveling to a place near Vienna?

Book flights to Vienna if you plan to visit one of these locations
Amstetten
Melk

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Alternative routes for Knoxville to Vienna

See prices for flight routes from nearby airports that may be better suited for you.
Nashville to Vienna flights
Memphis to Vienna flights
Memphis to Graz flights

Top airline flying from Knoxville to Vienna

Discover the top airline that operate flights from Knoxville to Vienna. 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 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$740Average$1,077FlexibilityNo cancel feeOn-time69%

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