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$464+ Cheap flights from St. Louis (STL) 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — VIE
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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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 November 26, 2025.

This Delta deal was found by Cheapflights users on 11/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/22:38 pmSTL - VIE
2 stops19h 47mDelta
Fri 12/1212:25 pmVIE - STL
2 stops18h 17mDelta
Deal found 11/25$512
This KAYAK deal was found by Cheapflights users on 11/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/211:50 amSTL - VIE
1 stop13h 10mAustrian Airlines
Thu 12/1110:40 amVIE - STL
1 stop20h 02mAustrian Airlines
Deal found 11/25$538
This United Airlines deal was found by Cheapflights users on 11/25. 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.
Tue 12/26:30 amSTL - VIE
2 stops18h 55mUnited Airlines
Sat 12/1310:35 amVIE - STL
2 stops32h 40mUnited Airlines
Deal found 11/25$539
This United Airlines deal was found by Cheapflights users on 11/25. 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.
Tue 12/210:00 amSTL - VIE
2 stops15h 30mUnited Airlines
Wed 12/1010:55 amVIE - STL
1 stop13h 08mUnited Airlines
Deal found 11/25$543
This KAYAK deal was found by Cheapflights users on 11/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/211:50 amSTL - VIE
1 stop13h 10mAustrian Airlines
Fri 12/126:00 amVIE - STL
2 stops24h 42mAustrian Airlines
Deal found 11/25$544
This Expedia deal was found by Cheapflights users on 11/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:55 pmSTL - VIE
2 stops23h 35mMultiple Airlines
Sun 12/710:35 amVIE - STL
2 stops36h 05mMultiple Airlines
Deal found 11/26$554
This KAYAK deal was found by Cheapflights users on 11/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:50 amSTL - VIE
2 stops38h 05mAustrian Airlines
Mon 12/88:20 pmVIE - STL
2 stops34h 22mAustrian Airlines
Deal found 11/26$556
This KAYAK deal was found by Cheapflights users on 11/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/211:50 amSTL - VIE
1 stop13h 10mAustrian Airlines
Sat 12/137:15 amVIE - STL
2 stops16h 48mAustrian Airlines
Deal found 11/25$560
This Delta deal was found by Cheapflights users on 11/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/22:38 pmSTL - VIE
2 stops19h 47mDelta
Mon 12/156:15 amVIE - STL
2 stops21h 02mDelta
Deal found 11/25$562
This Booking.com deal was found by Cheapflights users on 11/26. 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 12/34:05 pmSTL - VIE
1 stop33h 40mMultiple Airlines
Mon 12/810:40 amVIE - STL
1 stop20h 02mMultiple Airlines
Deal found 11/26$566
This KAYAK deal was found by Cheapflights users on 11/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/211:50 amSTL - VIE
1 stop13h 10mAustrian Airlines
Mon 12/1510:40 amVIE - STL
1 stop20h 02mAustrian Airlines
Deal found 11/25$613

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 November 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$433
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$789
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
Highest demand for flights based on searches. 19% potential increase in price ($239 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 November 26, 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

Wed 3/4

7:41 am-8:05 am

1 stop17h 24m

Vienna Intl

Wed 3/11

10:55 am-9:00 pm

1 stop16h 05m

$464

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Fri 1/9

9:57 am-12:20 pm

2 stops19h 23m

Vienna Intl

Wed 1/21

7:00 am-1:55 pm

1 stop13h 55m

$505

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Fri 1/9

11:20 am-12:20 pm

2 stops18h 00m

Vienna Intl

Sat 1/24

10:30 am-5:25 pm

1 stop13h 55m

$510

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sat 2/28

3:38 pm-11:30 am

2 stops36h 52m

Vienna Intl

Tue 3/10

6:15 am-5:05 pm

2 stops16h 50m

$512

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Tue 3/3

5:50 pm-5:25 pm

2 stops16h 35m

Vienna Intl

Tue 3/10

6:15 am-4:42 pm

2 stops16h 27m

$512

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Tue 3/3

5:50 pm-5:25 pm

2 stops16h 35m

Vienna Intl

Thu 3/12

6:50 am-2:58 pm

2 stops38h 08m

$513

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 1/12

7:00 am-8:30 am

2 stops18h 30m

Vienna Intl

Fri 1/23

7:00 am-1:55 pm

1 stop13h 55m

$514

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Tue 1/6

4:05 pm-8:45 am

1 stop33h 40m

Vienna Intl

Sat 1/24

10:30 am-5:25 pm

1 stop13h 55m

$515

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Tue 1/6

4:05 pm-8:45 am

1 stop33h 40m

Vienna Intl

Mon 1/26

10:35 am-10:13 am

1 stop30h 38m

$515

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sun 3/1

10:12 am-4:10 pm

2 stops22h 58m

Vienna Intl

Thu 3/12

6:50 am-9:10 pm

2 stops20h 20m

$518

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/26

Showing 1-10 of 11 results
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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Vienna flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, November is the cheapest month in which you can book a flight from St. Louis to Vienna (average of $588). Flying from St. Louis to Vienna in June is currently the most expensive (average of $1,096). 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 November 26, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 35% on flights from St. Louis to Vienna by exploring options for tickets in the evening.

How much does it cost to fly round-trip from St. Louis 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 November 26, 2025.
Read reviews from past customers who have flown United Airlines, Air Canada, 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
9,050 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,050 reviews
United Airlines
7.4
Good
9,050 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Air Canada
7.1
Good
10,481 reviews
United Airlines
7.4
Good
9,050 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Lufthansa
6.8
Okay
7,594 reviews
United Airlines
7.4
Good
9,050 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 24m. United Airlines provides one of the quickest options available for as low as $464. 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?

    United Airlines, at $613, 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 37% 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, November is the cheapest month in which you can book a flight from St. Louis to Vienna (average of $588). Flying from St. Louis to Vienna in June is currently the most expensive (average of $1,096). 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 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 3 airlines flying from St. Louis to Vienna

Discover the top 3 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 November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$613Average$942FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$615Average$883FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$645Average$1,097FlexibilityNo cancel feeOn-time67%

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