HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Vienna

$382+ Cheap flights from St. Louis (STL) to Vienna (VIE)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — VIE
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Vienna with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from St. Louis to Vienna

Cheapest flights from St. Louis to Vienna
Explore the most affordable flight options available from St. Louis to Vienna. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.

This Orbitz deal was found by Cheapflights users on 7/22. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:33 am
STL
-
VIE
2 stops17h 12m
Multiple Airlines
Mon 11/912:55 pm
VIE
-
STL
2 stops57h 31m
Multiple Airlines
Deal found 7/22$792
This United Airlines deal was found by Cheapflights users on 7/22. 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 11/27:33 am
STL
-
VIE
1 stop17h 32m
United Airlines
Mon 11/910:55 am
VIE
-
STL
1 stop19h 14m
United Airlines
Deal found 7/22$827
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2412:59 pm
STL
-
VIE
1 stop12h 16m
Multiple Airlines
Wed 9/911:00 am
VIE
-
STL
1 stop14h 41m
Multiple Airlines
Deal found 7/23$828
This Gotogate deal was found by Cheapflights users on 7/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/242:40 pm
STL
-
VIE
2 stops25h 00m
Air Canada
Wed 9/96:00 am
VIE
-
STL
2 stops19h 41m
Air Canada
Deal found 7/22$834

Find flight deals from St. Louis to Vienna

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) 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 July 24, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$792
(Orbitz)

One-way from

$382
(oojo)

Popular in

August

Cheapest in

February

Average price

$1,090
Provider with most accurate pricing for Lambert-St Louis-Vienna Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Vienna Intl flights.
Search Deals
From Lambert-St Louis to Vienna Intl
Search Deals
One-way flight from Lambert-St Louis to Vienna Intl
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($279 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($72 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis 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 July 24, 2026.
Use the filters below to find and compare flights from St. Louis to Vienna that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 8/24

12:10 pm-8:35 am

1 stop13h 25m

Vienna Intl

Wed 9/9

9:35 am-6:41 pm

2 stops16h 06m

$854
Quickest round-trip

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 8/24

1:00 pm-8:10 am

1 stop12h 10m

Vienna Intl

Wed 9/9

6:00 am-1:25 pm

1 stop14h 25m

$872

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 8/24

10:33 am-11:20 am

2 stops17h 47m

Vienna Intl

Wed 9/9

9:30 am-8:35 pm

2 stops18h 05m

$882

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 8/24

11:13 am-8:40 am

2 stops14h 27m

Vienna Intl

Wed 9/9

7:00 am-7:58 pm

2 stops19h 58m

$891

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Tue 12/22

4:05 pm-8:15 am

2 stops57h 10m

Vienna Intl

Tue 12/29

7:00 am-5:08 pm

2 stops17h 08m

$918

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Wed 9/9

8:55 am-8:20 am

1 stop16h 25m

Vienna Intl

Tue 9/15

10:30 am-3:38 pm

2 stops36h 08m

$919

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sat 10/3

5:36 pm-8:15 am

1 stop31h 39m

Vienna Intl

Wed 10/14

10:30 am-12:13 pm

2 stops32h 43m

$921

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Wed 12/30

2:48 pm-12:20 pm

2 stops14h 32m

Vienna Intl

Wed 1/6

8:00 am-1:45 pm

1 stop12h 45m

$952
Cheapest one-way

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Fri 12/4

11:50 am-1:25 pm

2 stops18h 35m

$382
Quickest one-way

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Tue 9/1

12:59 pm-12:20 pm

2 stops16h 21m

$460

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Compare providers for flights from St. Louis 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 St. Louis to Vienna in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 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 St. Louis-Vienna flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on St. Louis-Vienna flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from St. Louis-Vienna flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Vienna flights, Cheapflights users trust Ovago the most. Ovago 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 St. Louis-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 St. Louis to Vienna

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

What is the cheapest month to book a flight from St. Louis to Vienna?

Currently, February is the cheapest month in which you can book a flight from St. Louis to Vienna (average of $543). Flying from St. Louis to Vienna in August is currently the most expensive (average of $4,508). 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.

How much does it cost to fly round-trip from St. Louis to Vienna?

Airfare is below average for this route at the moment.

St. Louis to Vienna flights typically cost between $1,031 and $3,080 in November.
The cheapest round-trip price found within the last 5 days was $792 on Multiple Airlines (Nov 2-Nov 9).

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 July 24, 2026.
Read reviews from past customers who have flown United Airlines and Lufthansa from St. Louis to Vienna. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,029 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
10,029 reviews
United Airlines
7.4
Good
10,029 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
Lufthansa
6.8
Okay
8,156 reviews
United Airlines
7.4
Good
10,029 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

Related info for your journey

Find useful and relevant information for your journey from St. Louis 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 St. Louis to Vienna?

    A quick flight from St. Louis to Vienna can take about 17h 30m. United Airlines provides one of the quickest options available for as low as $822. St. Louis and Vienna are separated by a distance of 4949 mi.

  • What are the cheapest airlines flying from St. Louis to Vienna round-trip?

    Lufthansa, at $503, was found to be the cheapest airline from St. Louis to Vienna. An alternate airline flying to your destination would be United Airlines. You may be able to fly from St. Louis to Vienna for 48% less than the average price by searching for these airlines.

  • Can I find deals for flights from St. Louis to Vienna that include hotel bookings?

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

  • How can I find direct flights from St. Louis to Vienna?

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

  • Can I find deals for business class flights from St. Louis to Vienna?

    Yes. Cheapflights offers flight deals from St. Louis 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 St. Louis to Vienna?

    Currently, February is the cheapest month in which you can book a flight from St. Louis to Vienna (average of $543). Flying from St. Louis to Vienna in August is currently the most expensive (average of $4,508). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Vienna

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Vienna flights
St. Louis to Salzburg flights

Top 2 airlines flying from St. Louis to Vienna

Discover the top 2 airlines that operate flights from St. Louis 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 July 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$503Average$975FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$555Average$762FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.