$562 Find Cheap Flights from Knoxville to Austria

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Knoxville to Austria departing on 5/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Austria

Travelers love KAYAK
41 299 237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals
Booking Insights
Flight Deals

Book Cheap Knoxville to Austria Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Knoxville to Austria that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Knoxville to Austria

Tue, May 26 - Tue, Jun 2
KLM Logo
10:25 am - 8:40 am
TYS
-
VIE
16h 15m
2 stops
KLM Logo
9:30 am - 10:57 pm
VIE
-
TYS
19h 27m
2 stops
$1,021KLM
Thu, May 28 - Thu, Jun 4
KLM Logo
11:56 am - 8:40 am
TYS
-
VIE
14h 44m
2 stops
KLM Logo
7:00 am - 5:11 pm
VIE
-
TYS
16h 11m
2 stops
$1,091KLM
Tue, May 26 - Tue, Jun 2
United Airlines Logo
5:41 pm - 7:50 am
TYS
-
VIE
32h 09m
2 stops
United Airlines Logo
10:30 am - 8:56 pm
VIE
-
TYS
16h 26m
1 stop
$1,218United Airlines
Thu, Jun 11 - Thu, Jun 18
Lufthansa Logo
7:19 pm - 4:35 pm
TYS
-
VIE
15h 16m
2 stops
Lufthansa Logo
8:00 am - 12:30 am
VIE
-
TYS
22h 30m
2 stops
$1,255Lufthansa
Wed, Jun 24 - Mon, Jun 29
United Airlines Logo
5:45 am - 8:10 am
TYS
-
VIE
20h 25m
1 stop
United Airlines Logo
10:30 am - 5:12 pm
VIE
-
TYS
36h 42m
2 stops
$1,256United Airlines
Wed, Jun 24 - Mon, Jun 29
United Airlines Logo
5:45 am - 5:20 pm
TYS
-
VIE
29h 35m
2 stops
United Airlines Logo
10:30 am - 5:12 pm
VIE
-
TYS
36h 42m
2 stops
$1,264United Airlines
Wed, Jun 24 - Mon, Jun 29
United Airlines Logo
5:45 am - 8:10 am
TYS
-
VIE
20h 25m
1 stop
United Airlines Logo
10:30 am - 12:35 am
VIE
-
TYS
20h 05m
1 stop
$1,271United Airlines
Thu, May 28 - Thu, Jun 4
United Airlines Logo
10:10 am - 8:10 am
TYS
-
VIE
16h 00m
1 stop
United Airlines Logo
10:45 am - 12:30 am
VIE
-
TYS
19h 45m
2 stops
$1,275United Airlines
Tue, May 26 - Tue, Jun 2
Lufthansa Logo
7:19 pm - 4:35 pm
TYS
-
VIE
15h 16m
2 stops
Lufthansa Logo
9:25 am - 11:54 pm
VIE
-
TYS
20h 29m
2 stops
$1,310Lufthansa
Tue, May 26 - Tue, Jun 2
United Airlines Logo
1:35 pm - 12:20 pm
TYS
-
VIE
16h 45m
2 stops
United Airlines Logo
10:30 am - 8:56 pm
VIE
-
TYS
16h 26m
1 stop
$1,326United Airlines
Booking Insights

KAYAK's insights & trends for Knoxville to Austria flights

Get data-powered insights and trends into flights from Knoxville to Austria to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Knoxville to Austria?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Knoxville to Austria were found on KLM ($1,021) and United Airlines ($1,218).

Good to know

Low seasonFebruary
Cheapest flight$562
Best time to beat the crowds with an average 45% drop in price.
Most popular time to fly with an average 31% increase in price.
Flight from Knoxville to Vienna

FAQs - booking Austria flights

  • How does KAYAK find such low prices on flights from Knoxville to Austria?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Knoxville to Austria.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Knoxville to Austria?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Knoxville to Austria is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Knoxville to Austria?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Knoxville to Austria with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Knoxville to Austria?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Knoxville to Austria up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Knoxville to Austria

 
Need help choosing which airline to fly with from Knoxville to Austria? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 9675 reviews
6.6Food
8.1Crew
7.1Entertainment
7.3Comfort
7.7Boarding
Airline reviews

Some crew were unfriendly or in some cases just straight up rude.

6.0 GoodAnonymous, Apr 2026
SFO - YVR
Read more United Airlines reviews

Some crew were unfriendly or in some cases just straight up rude.

Booked through Kayak Business, had a seat in middle and towards back due to booking rate, not comfortable.

Was great in general, try to respect time and excuses when slight changes have been made, appreciated!

A long delay. Don't travel late in the day.

Super friendly with lots of drink options an entertainment. Friendly crew.

Standard flight with a drinks and a snack- overall very quick flight. The flight attendants were very strict, bordered on rude.

Outstanding service, efficient & friendly crew, flight was safe, comfortable & on time

United Airline crews were very friendly and very attentive. 12 hours flight was gone like in a shorter one.

Delayed - weather wasn't bad at either end. Also sat on tarmac in ORD.

Food was surprisingly delicious. Space in the seat is horrible when the seating front is reclined. Movie offerings were terrible. Crew was friendly and helpful.

Flight was delayed by several hours and then cancelled due to weather. But Staff was very helpful getting me on a different flight. United should offer food coupons and tooth brush and paste for stranded passengers

I upgraded to the business class cabin. It was the poorest business class I have ever experienced. No access to any business lounge in Tampa airport. Seats are not comfortable. I had a window seat and had to step/crawl over the next seat. Food was mediocre and service below average for business class. Bathroom location was ridiculous. No place to wait. I cannot believe I paid this kind of money and will never fly Lufthansa Discover again. They really should reimburse me somehow.

Boarding was disorganized. The door to one to the toilets wouldn’t lock. The plane was shockingly cramped, and clearly used for domestic flights due to the menus for items to sell domestic travelers. United should be ashamed of its small seats, tiny unclean toilets, and money grubbing stance toward services, compared to Lufthansa, Emirates, and most international carriers United is awful.

Was never allowed on and not refunded the full amount of the ticket plus charged a $300 processing fee.

Terrible. Lost our luggage for 4 days. Did not advise passengers there was a strike in Barcelona Airport and had zero personnel on hand at airport to advise passengers on where to go to file claims. We had to fend for ourselves. No assistance at all other than an online claims submission process that we had to find out about on our own.

Lufthansa cancelled our flight from Los Angeles to Naples Italy on March 10 for scheduled flight on March 12 Very stressful experience trying to arrange alternatives. Will never fly again with Lufthansa

Everything could have been better. What needed to be wrong with United went wrong

The staff was bit rude when I asked for an extra drink after one beer, asked for one wine glass.

Very good, i got two seats for myself, and was comfortable with the blanket i got

I hated the FRA Airport. Confusing signage, including the path to Immigration and Security It seems that the airport grew haphazardly over the years. I have been through multiple WW Hubs with much better experiences.

Everything you need to know for your flight from Knoxville to Austria

Information on your arrival and departure airports