STL - VIE

$339 Find Cheap Flights from St. Louis to Vienna - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Vienna departing on 11/30. 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

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Everything you should know

Cheapest round-trip
$755
Overall average: $613
Air Canada
Sun 1/10Wed 1/13
STL - VIE • 1 stop
Cheapest one-way
$339
Typical prices: $1,065-$1,133
Multiple Airlines
Mon 11/30
STL - VIE • 1 stop
Top airlines
Cheapest • from $755 (round-trip)
Best reviews • 7.4 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between St. Louis and Vienna. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $555 (round-trip)
Shortest trip • 12h 22m (one-way)
Insights
Insights
Insights
Insights
When to travel
Cheapest • 55% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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We hope you love your trip to Vienna!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from St. Louis to Vienna (STL-VIE)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Vienna 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 St. Louis to Vienna

Sun, Jan 10 - Wed, Jan 13
Air Canada Logo
4:05 pm - 8:45 am
STL
-
VIE
33h 40m
1 stop
Air Canada Logo
10:40 am - 2:30 pm
VIE
-
STL
34h 50m
2 stops
$755Air Canada
Sun, Jan 10 - Wed, Jan 13
Air Canada Logo
7:04 pm - 8:15 am
STL
-
VIE
30h 11m
2 stops
Air Canada Logo
10:40 am - 2:30 pm
VIE
-
STL
34h 50m
2 stops
$755Air Canada
Tue, Dec 1 - Tue, Dec 8
Multiple Airlines Logo
4:05 pm - 8:45 am
STL
-
VIE
33h 40m
1 stop
Multiple Airlines Logo
7:00 am - 9:13 pm
VIE
-
STL
21h 13m
2 stops
$763Multiple Airlines
Tue, Dec 1 - Tue, Dec 8
United Airlines Logo
7:04 pm - 8:30 am
STL
-
VIE
30h 26m
2 stops
United Airlines Logo
10:35 am - 2:30 pm
VIE
-
STL
34h 55m
2 stops
$766United Airlines
Tue, Dec 1 - Tue, Dec 8
Multiple Airlines Logo
4:05 pm - 8:45 am
STL
-
VIE
33h 40m
1 stop
Multiple Airlines Logo
10:30 am - 11:25 pm
VIE
-
STL
19h 55m
1 stop
$780Multiple Airlines
Sun, Jan 10 - Wed, Jan 13
United Airlines Logo
3:40 pm - 2:15 pm
STL
-
VIE
15h 35m
1 stop
United Airlines Logo
8:00 am - 1:45 pm
VIE
-
STL
12h 45m
1 stop
$831United Airlines
Mon, Aug 24 - Wed, Sep 9
United Airlines Logo
8:00 am - 8:15 am
STL
-
VIE
17h 15m
1 stop
United Airlines Logo
10:50 am - 9:31 pm
VIE
-
STL
17h 41m
2 stops
$873United Airlines
Wed, Aug 26 - Wed, Sep 2
Lufthansa Logo
8:40 am - 12:35 pm
STL
-
VIE
20h 55m
2 stops
Lufthansa Logo
7:00 am - 1:25 pm
VIE
-
STL
13h 25m
1 stop
$884Lufthansa
Tue, Sep 8 - Tue, Sep 15
Lufthansa Logo
6:53 pm - 4:35 pm
STL
-
VIE
14h 42m
2 stops
Lufthansa Logo
8:00 am - 1:25 pm
VIE
-
STL
12h 25m
1 stop
$905Lufthansa
Sat, Oct 17 - Sun, Nov 1
Lufthansa Logo
7:01 pm - 11:45 am
STL
-
VIE
33h 44m
2 stops
Lufthansa Logo
8:00 am - 4:40 pm
VIE
-
STL
15h 40m
2 stops
$933Lufthansa
Booking Insights

KAYAK's insights & trends for St. Louis to Vienna flights

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

How much is a round-trip flight from St. Louis to Vienna?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from St. Louis to Vienna departing in January.

Flight prices are below average for this route right now.

Flights to Vienna from St. Louis usually cost between $1,756 and $4,523 in January.
The lowest price found in the past 5 days was $755 on Air Canada (Jan 10-Jan 13).

What is the cheapest month to fly from St. Louis to Vienna?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. Louis to Vienna, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from St. Louis to Vienna is February, where tickets cost $543 (return) on average. On the other hand, the most expensive months are August and May, where the average cost of round-trip tickets is $4,508 and $1,383 respectively.

Good to know

Low season

July

Cheapest flight

$339
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly and prices are also 10% lower on average.
Flight from St. Louis to Vienna

When to book flights from St. Louis to Vienna

Are your dates flexible? Find out the best times to travel from St. Louis to Vienna based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from St. Louis to Vienna

  • What is the cheapest flight from St. Louis to Vienna?

    In the last 5 days, the lowest price for a flight from St. Louis to Vienna was $339 for a one-way ticket and $755 for a round-trip.

  • Do I need a passport to fly between St. Louis and Vienna?

    Yes, you’ll need a passport to travel to Vienna from St. Louis.

  • Which airports will I be using when flying from St. Louis to Vienna?

    St. Louis and Vienna are both served by 1 main airport. You will leave St. Louis from Lambert-St Louis and will be arriving at Vienna Intl.

  • Which aircraft models fly most regularly from St. Louis to Vienna?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from St. Louis to Vienna?

    Star Alliance is the only airline alliance operating flights between St. Louis and Vienna.

  • Which is the best airline for flights from St. Louis to Vienna, United Airlines or Lufthansa?

    The two airlines most popular with KAYAK users for flights from St. Louis to Vienna are United Airlines and Lufthansa. With an average price for the route of $912 and an overall rating of 7.4, United Airlines is the most popular choice. Lufthansa is also a great choice for the route, with an average price of $975 and an overall rating of 6.8.

  • How does KAYAK find such low prices on flights from St. Louis to Vienna?

    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 St. Louis to Vienna.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Vienna?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Vienna from St. Louis 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 St. Louis to Vienna?

    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 to Vienna with an airline and back to St. Louis with another airline. Booking your flights between St. Louis and VIE can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Vienna?

    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 to Vienna from St. Louis 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 St. Louis to Vienna

 
See real verified KAYAK customer reviews for airlines flying from St. Louis to Vienna. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from St. Louis to Vienna? 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 10062 reviews
8.1Crew
6.7Food
7.7Boarding
7.1Entertainment
7.3Comfort
Airline reviews

Our flight was great with an unexpected upgrade. However, four days into our travel we are still without a piece of luggage. The bag tracker has not been accurate, the airline is not communicating with me or the luggage delivery service and no one is willing to take responsibility or guarantee any kind of support or reimbursement. Unfortunately, we do not have the option to easily shop to replace items as we are currently on a cruise. I have been very disappointed by United Airlines response.

6.0 GoodValerie, Jul 2026
STL - IAD
Read more United Airlines reviews

Our flight was great with an unexpected upgrade. However, four days into our travel we are still without a piece of luggage. The bag tracker has not been accurate, the airline is not communicating with me or the luggage delivery service and no one is willing to take responsibility or guarantee any kind of support or reimbursement. Unfortunately, we do not have the option to easily shop to replace items as we are currently on a cruise. I have been very disappointed by United Airlines response.

It was Swiss. Our kosher meals were literally frozen solid and therefore inedible, and the crew didnt care.

HORRIBLE, my initial flight was cancelled, they made me pay $200 extra dollars and that got cancelled as well! After 6 cancellations I decided to get a refund because I needed to get home to my babies. Out of $1000+ dollars they offered me only $40 in refund! Totally unacceptable! The flight that they cancelled I was able to fly it on another airline. I had to spend $400 on one way tickets just to get home! I’m still getting the runaround.

Sat next to a one year old. She crawled all over the place and made me laugh.

Flight was delayed only slightly before takeoff due to traffic control. However, the flight arrived early to ORD. Good flight. United has been very reliable for me.

Tastless food and too obvious lack of enthusiasm for service in the economy vesus business class

The service was good, the food could have been better.

Overall a very poor experience - booked premium economy tickets but due to last minute flight delays , all my itinery went for a toss and had to fly economy class with no access to lounge or any compensation by united airlines to make up for the flight delays . i had expected better experience than that from united.

I liked that the flight to Kosice was on time, the service was excellent and we arrived to Vienna early. The only thing I did not like, is that I had to pay for my suitcase $75. Bummer

After checking luggage being put in a separate line for payement of luggage. Purchase from “Chat Deal “ was very poor, did not know bought ticket that did not include at least one check bag. Second chat deal called me and told I would hav e pay more $150 to get a aisle seat, clearly trying take money from people when I was able get my aisle seat for free 2 days before flight. Chat deal was the problem mainly.

It was a short flight. Plenty of room on the plane. It was also extremely clean.

I arrived late in Frankfurt and I had to catch my flight to Vienna and I was running late because when I was landing the flight to Vienna was boarding. I had to go through immigration and then I had to wait in a long line to take a bus to a terminal where my flight to Vienna was taking off. However, I truly didn't think I would make it. I was literally running through the whole airport and when I stopped to ask at one of the Austrian Airlines gates they were rude because they didn't have the time to support me.

They were late and I missed my flight for Chicago. Terrible experience with Austrian airline this time.

They separated me from my kids We were checked in to fly from Vienna to Frankfurt and Washington DC final destination but separated my wife and kids sent them to Barcelona instead then Washington DC They end up traveling for 26 hours Horrible experience Never Austrian Airlines/Lufthansa again!

The flight didn’t happen with Lufthansa. It got canceled with no reason given and all I received for my troubles was €20. People make travel plans for a reason and when the flight was rebooked, it was delayed for 4 1/2 hours on Austria Airlines. The flight attendants were of zero help. They just wanted to stand and look pretty. I hope to never fly Austrian Airlines again. Horrible!!

Food selection wasnt great, even for flight meals. However staff was e extremely pleasant

The flight left an hour late and no explanation. Food was basically a few snacks out of bags and tiny cup of soda. Crew was pretty friendly.

The The check in process was terrible on both ends. It was not clear if we should use the United, Lufthansa, or Aragrant number. It took over an hour to check in on the front end – and then at return the Lufthansa online check in failed multiple times and only after two calls to their phone number could we accomplish the task. The link to the Kayak site provided no access for check in. This difficulty and ambiguity on both ends will affect our interest in using Kayak for foreign travel in the future.

You lost my bag then waiting on the phone for 30 mins for customer service just to be directed to call another number

Boarding staff, crew and food needs a lot of improvement!! It was awful Aircraft was old with minimal legspace

Everything you need to know for your flight from St. Louis to Vienna

Information on your arrival and departure airports