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$494+ 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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — VIE
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/11. 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 12/1510:50 amTYS - VIE
2 stops21h 10mUnited Airlines
Wed 12/1712:35 pmVIE - TYS
2 stops41h 07mUnited Airlines
Deal found 12/11$2,075
This Brussels Airlines deal was found by Cheapflights users on 12/11. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/152:30 pmTYS - VIE
3 stops20h 55mBrussels Airlines
Wed 12/1712:20 pmVIE - TYS
2 stops37h 31mBrussels Airlines
Deal found 12/11$2,489

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 December 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$494
(United Airlines)

Popular in

December

Cheapest in

February

Average price

$1,276
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. 1% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 12, 2025.
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 1/23

2:25 pm-12:20 pm

2 stops15h 55m

Vienna Intl

Tue 1/27

10:35 am-2:49 pm

2 stops34h 14m

$494

KnoxvilleVienna

TYS - VIE

TYSVIE

Knoxville McGhee Tyson

Fri 2/13

6:45 am-8:05 am

1 stop19h 20m

Vienna Intl

Tue 2/17

10:35 am-7:55 pm

2 stops39h 20m

$498

KnoxvilleVienna

TYS - VIE

TYSVIE

Knoxville McGhee Tyson

Sat 1/24

1:59 pm-12:20 pm

2 stops40h 21m

Vienna Intl

Sat 1/31

10:35 am-2:49 pm

1 stop34h 14m

$510

KnoxvilleVienna

TYS - VIE

TYSVIE

Knoxville McGhee Tyson

Thu 1/8

2:25 pm-12:20 pm

2 stops15h 55m

Vienna Intl

Thu 1/15

7:00 am-7:27 pm

2 stops18h 27m

$517

KnoxvilleVienna

TYS - VIE

TYSVIE

Knoxville McGhee Tyson

Fri 2/13

2:21 pm-8:00 pm

2 stops23h 39m

Vienna Intl

Tue 2/17

6:15 pm-7:29 pm

3 stops31h 14m

$584

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

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 December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice 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 AranGrant the most. AranGrant 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.

Cheapflights Insights

Everything you need to know about your flight from Knoxville to Vienna

What is the cheapest time of day to fly from TYS to VIE?

Find hourly flight availability from Knoxville to Vienna. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Knoxville to Vienna in the evening. If you’re flexible enough to do this you can expect to save up to 46% on your trip compared to booking a flight in the afternoon.

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 December 12, 2025.
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
9,095 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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 55m. 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 $706 on this airline. United Airlines is currently priced 28% 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

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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$706Average$1,069FlexibilityNo cancel feeOn-time69%

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