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$667+ 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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — VIE
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$667
(United Airlines)

Popular in

December

Cheapest in

February

Average price

$1,077
From Knoxville McGhee Tyson to Vienna Intl
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Highest demand for flights based on searches. 10% potential increase in price ($119 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($62 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sun 10/268:50 amTYS - VIE
2 stops22h 30mUnited Airlines
Sun 11/210:35 amVIE - TYS
1 stop19h 24mUnited Airlines
Deal found 9/11$667
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 10/259:55 amTYS - VIE
1 stop16h 20mUnited Airlines
Sat 11/110:55 amVIE - TYS
1 stop14h 38mUnited Airlines
Deal found 9/10$713
This Mytrip deal was found by Cheapflights users on 9/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/269:00 amTYS - VIE
3 stops26h 40mMultiple Airlines
Sun 11/25:45 amVIE - TYS
3 stops36h 10mMultiple Airlines
Deal found 9/11$979
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/209:55 amTYS - VIE
2 stops19h 50mLufthansa
Sat 9/277:00 amVIE - TYS
2 stops20h 11mLufthansa
Deal found 9/11$1,636
This Mytrip deal was found by Cheapflights users on 9/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/204:31 pmTYS - VIE
2 stops34h 04mMultiple Airlines
Sat 9/276:20 amVIE - TYS
3 stops38h 09mMultiple Airlines
Deal found 9/11$1,651
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 9/202:00 pmTYS - VIE
1 stop12h 20mUnited Airlines
Sat 9/2710:30 amVIE - TYS
2 stops18h 20mUnited Airlines
Deal found 9/11$1,665

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 September 11, 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

Sun 10/26

8:50 am-12:20 pm

2 stops22h 30m

Vienna Intl

Sun 11/2

10:35 am-11:59 pm

1 stop19h 24m

$667

KnoxvilleVienna

TYS - VIE

TYSVIE

Knoxville McGhee Tyson

Sat 10/25

9:55 am-8:15 am

1 stop16h 20m

Vienna Intl

Sat 11/1

10:55 am-8:33 pm

1 stop14h 38m

$713

KnoxvilleVienna

TYS - VIE

TYSVIE

Knoxville McGhee Tyson

Sun 10/26

9:00 am-4:40 pm

3 stops26h 40m

Vienna Intl

Sun 11/2

5:45 am-12:55 pm

3 stops36h 10m

$979

KnoxvilleVienna

TYS - VIE

TYSVIE

Knoxville McGhee Tyson

Sat 10/25

2:16 pm-7:05 am

3 stops34h 49m

Vienna Intl

Sat 11/1

10:30 pm-3:43 pm

3 stops46h 13m

$3,371

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

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 September 11, 2025.

A simple way to save on the total cost of your ticket is to fly from Knoxville to Vienna in the morning. If you’re flexible enough to do this you can expect to save up to 25% on your trip compared to booking a flight in the afternoon.

How much does it cost to fly round-trip from Knoxville to Vienna?

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 September 11, 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
8,937 reviews

Crew

8.1

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Crew

8.1

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 22h 30m. 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 31% 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.

  • What is the cheapest month to book a flight from Knoxville to Vienna?

    Currently, October is the cheapest month in which you can book a flight from Knoxville to Vienna (average of $737). Flying from Knoxville to Vienna in June is currently the most expensive (average of $1,231). 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

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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$706Average$945FlexibilityNo cancel feeOn-time69%

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