HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Vienna

$467+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — VIE
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
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

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 August 20, 2025.

Round-trip from

$615
(Booking.com)

One-way from

$467
(Cheapflightsfares)

Popular in

June

Cheapest in

February

Average price

$933
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. 23% potential increase in price ($304 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find 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 August 20, 2025.

This Booking.com deal was found by Cheapflights users on 8/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/194:05 pmSTL - VIE
2 stops23h 35mAir Canada
Thu 11/2710:40 amVIE - STL
2 stops37h 59mAir Canada
Deal found 8/19$596
This Booking.com deal was found by Cheapflights users on 8/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/14:05 pmSTL - VIE
2 stops47h 35mMultiple Airlines
Fri 12/1210:55 amVIE - STL
1 stop13h 08mMultiple Airlines
Deal found 8/19$615
This United deal was found by Cheapflights users on 8/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/193:50 pmSTL - VIE
1 stop20h 40mMultiple Airlines
Thu 11/2710:35 amVIE - STL
2 stops36h 11mMultiple Airlines
Deal found 8/19$619
This United Airlines deal was found by Cheapflights users on 8/19. 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 12/16:43 pmSTL - VIE
2 stops30h 47mUnited Airlines
Fri 12/1210:35 amVIE - STL
2 stops31h 11mUnited Airlines
Deal found 8/19$629
This FlightHub deal was found by Cheapflights users on 8/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/144:05 pmSTL - VIE
1 stop33h 40mMultiple Airlines
Tue 12/2310:30 amVIE - STL
1 stop20h 14mMultiple Airlines
Deal found 8/19$695
This CrystalTravel deal was found by Cheapflights users on 8/19. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/193:50 pmSTL - VIE
1 stop11h 55mLufthansa
Thu 11/278:15 pmVIE - STL
1 stop24h 40mLufthansa
Deal found 8/19$716
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/284:05 pmSTL - VIE
1 stop33h 40mMultiple Airlines
Sun 12/76:00 amVIE - STL
1 stop14h 55mMultiple Airlines
Deal found 8/18$717
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Fri 11/2811:05 amSTL - VIE
1 stop14h 00mUnited Airlines
Sun 12/710:35 amVIE - STL
2 stops20h 07mUnited Airlines
Deal found 8/19$720
This Air Canada deal was found by Cheapflights users on 8/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/284:05 pmSTL - VIE
2 stops33h 30mAir Canada
Sun 12/710:35 amVIE - STL
2 stops34h 48mAir Canada
Deal found 8/19$727
This United Airlines deal was found by Cheapflights users on 8/19. 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 12/146:42 pmSTL - VIE
2 stops30h 18mUnited Airlines
Tue 12/237:00 amVIE - STL
2 stops36h 27mUnited Airlines
Deal found 8/19$728

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 August 20, 2025.
Use the filters below to find and compare flights from St. Louis to Vienna that are best for you.

Fly from

St. Louis

Fly to

Vienna

Route

Depart

Return

Price

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 12/1

4:05 pm-10:40 pm

2 stops47h 35m

Vienna Intl

Fri 12/12

10:55 am-5:03 pm

1 stop13h 08m

$615

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Wed 11/19

3:50 pm-7:30 pm

1 stop20h 40m

Vienna Intl

Thu 11/27

10:35 am-3:46 pm

2 stops36h 11m

$619

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 12/1

6:43 pm-8:30 am

2 stops30h 47m

Vienna Intl

Fri 12/12

10:35 am-10:46 am

2 stops31h 11m

$629

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Fri 2/13

4:05 pm-8:45 am

1 stop33h 40m

Vienna Intl

Wed 2/25

10:40 am-3:29 pm

2 stops35h 49m

$661

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Fri 2/13

1:27 pm-8:05 am

1 stop11h 38m

Vienna Intl

Wed 2/25

10:30 am-9:10 pm

1 stop17h 40m

$679

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sun 12/14

4:05 pm-8:45 am

1 stop33h 40m

Vienna Intl

Tue 12/23

10:30 am-11:44 pm

1 stop20h 14m

$695

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sun 12/14

6:42 pm-8:35 am

2 stops30h 53m

Vienna Intl

Tue 12/23

6:50 am-3:29 pm

2 stops39h 39m

$712

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Wed 11/19

3:50 pm-10:45 am

1 stop11h 55m

Vienna Intl

Thu 11/27

8:15 pm-1:55 pm

1 stop24h 40m

$716

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Fri 11/28

11:05 am-8:05 am

1 stop14h 00m

Vienna Intl

Sun 12/7

7:00 am-1:55 pm

1 stop13h 55m

$716

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Fri 11/28

4:05 pm-8:45 am

1 stop33h 40m

Vienna Intl

Sun 12/7

6:00 am-1:55 pm

1 stop14h 55m

$717

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 13 results
1
2

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, October is the cheapest month in which you can book a flight from St. Louis to Vienna (average of $737). Flying from St. Louis 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.

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

Find hourly flight availability from St. Louis 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 August 20, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 36% on flights from St. Louis to Vienna by exploring options for tickets in the evening.

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 August 20, 2025.
Read reviews from past customers who have flown Austrian Airlines, United Airlines, and Air Canada 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.
Austrian Airlines
7.6
Good
830 reviews

Overall

7.6

Food

6.8

Boarding

7.6

Crew

8.1

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

VIE - RHO

They went by offering coffee and didn’t even asked me totally ignored me
Austrian Airlines
7.6
Good
830 reviews
Austrian Airlines
7.6
Good
830 reviews

Overall

7.6

Food

6.8

Boarding

7.6

Crew

8.1

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

VIE - RHO

They went by offering coffee and didn’t even asked me totally ignored me
United Airlines
7.4
Good
8,928 reviews
Austrian Airlines
7.6
Good
830 reviews

Overall

7.6

Food

6.8

Boarding

7.6

Crew

8.1

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

VIE - RHO

They went by offering coffee and didn’t even asked me totally ignored me
Air Canada
7.1
Good
10,000 reviews
Austrian Airlines
7.6
Good
830 reviews

Overall

7.6

Food

6.8

Boarding

7.6

Crew

8.1

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

VIE - RHO

They went by offering coffee and didn’t even asked me totally ignored me
Lufthansa
6.8
Okay
7,337 reviews
Austrian Airlines
7.6
Good
830 reviews

Overall

7.6

Food

6.8

Boarding

7.6

Crew

8.1

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

VIE - RHO

They went by offering coffee and didn’t even asked me totally ignored me

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 11h 38m. Air Canada provides one of the quickest options available for as low as $679. St. Louis and Vienna are separated by a distance of 4949 mi. This flight may include one or multiple stops.

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

    Austrian Airlines, at $611, was found to be the cheapest airline from St. Louis to Vienna.Alternate airlines to your destination round-trip include Lufthansa and Air Canada. You may be able to fly from St. Louis to Vienna for 39% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from St. Louis to Vienna one-way?

    To fly one-way, consider booking your trip with Austrian Airlines, which is currently one of the cheapest options available, starting at $467. American Airlines flights start at $472 while deals on Lufthansa start at $488 one-way.

  • 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, October is the cheapest month in which you can book a flight from St. Louis to Vienna (average of $737). Flying from St. Louis 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

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 4 airlines flying from St. Louis to Vienna

Discover the top 4 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Austrian AirlinesCheapest$611Average$1,297FlexibilityNo cancel feeOn-time78%
LufthansaCheapest$638Average$895FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$645Average$1,097FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$651Average$967FlexibilityNo 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.