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$719+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
STL — VIE
abr. 22 — abr. 291
mar. 4/22
mar. 4/29
1 adult, Economy
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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 abril 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$719
(Booking.com)

Popular in

June

Cheapest in

February

Average price

$1,100
Provider with most accurate pricing for Lambert-St Louis-Vienna Intl flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Vienna Intl flights.
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From Lambert-St Louis to Vienna Intl
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Highest demand for flights based on searches. 33% potential increase in price ($577 potential increase over avg. RT price).
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Cheapest flight prices on average. 11% potential price decrease ($120 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 abril 17, 2025.

This Booking.com deal was found by Cheapflights users on 4/17. 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.
dom. 8/171:30 pmSTL - VIE
1 stop12h 05mAir Canada
sáb. 8/237:30 amVIE - STL
2 stops43h 10mAir Canada
Deal found 4/17$719
This United Airlines deal was found by Cheapflights users on 4/17. 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.
mié. 7/309:15 amSTL - VIE
1 stop16h 05mUnited Airlines
mié. 8/1310:30 amVIE - STL
2 stops35h 07mUnited Airlines
Deal found 4/17$722
This Air Canada deal was found by Cheapflights users on 4/17. 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.
mié. 10/151:30 pmSTL - VIE
2 stops15h 50mMultiple Airlines
mié. 10/291:55 pmVIE - STL
2 stops31h 31mMultiple Airlines
Deal found 4/17$743
This FlightHub deal was found by Cheapflights users on 4/17. 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.
dom. 8/173:30 pmSTL - VIE
1 stop12h 15mLufthansa
sáb. 8/2311:20 amVIE - STL
1 stop33h 10mLufthansa
Deal found 4/17$963
This Ovago deal was found by Cheapflights users on 4/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/2212:00 pmSTL - VIE
2 stops16h 10mAer Lingus
vie. 5/911:50 amVIE - STL
2 stops19h 01mAer Lingus
Deal found 4/17$1,425
This Scandinavian Airlines deal was found by Cheapflights users on 4/17. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/283:30 pmSTL - VIE
3 stops24h 25mScandinavian Airlines
dom. 12/76:55 amVIE - STL
3 stops20h 54mScandinavian Airlines
Deal found 4/17$1,631

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 abril 17, 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

dom. 8/17

1:30 pm-8:35 am

1 stop12h 05m

Vienna Intl

sáb. 8/23

7:30 am-7:40 pm

2 stops43h 10m

$719

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

mié. 7/30

9:15 am-8:20 am

1 stop16h 05m

Vienna Intl

mié. 8/13

10:30 am-2:37 pm

2 stops35h 07m

$722

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

dom. 5/18

7:30 pm-10:35 pm

2 stops20h 05m

Vienna Intl

sáb. 5/24

6:45 pm-11:51 pm

2 stops36h 06m

$912

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

dom. 5/18

7:30 am-8:20 am

1 stop17h 50m

Vienna Intl

sáb. 5/24

2:55 pm-1:30 pm

1 stop29h 35m

$915

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

dom. 8/17

3:30 pm-10:45 am

1 stop12h 15m

Vienna Intl

sáb. 8/23

11:20 am-1:30 pm

1 stop33h 10m

$963

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

dom. 8/17

3:30 pm-10:15 pm

3 stops23h 45m

Vienna Intl

sáb. 8/23

7:05 am-11:39 pm

3 stops23h 34m

$2,213

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on St. Louis-Vienna flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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, 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 $1,312). 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 abril 17, 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.

Rainfall in Vienna by month

Plan your trip to Vienna by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Vienna ranges from 0.8 - 2.6 inches per month. July is typically the wettest month, when rainfall can reach 2.6 in. January is typically the driest time to visit Vienna when rainfall is around 0.8 in.

Temperature in Vienna by month

Plan your trip to Vienna by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Vienna, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 abril 17, 2025.
United Airlines
7.4
Good
8,667 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.0

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,667 reviews
United Airlines
7.4
Good
8,667 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.0

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Scandinavian Airlines
7.3
Good
1,335 reviews
United Airlines
7.4
Good
8,667 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.0

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.0
Good
9,142 reviews
United Airlines
7.4
Good
8,667 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.0

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.7
Okay
7,012 reviews
United Airlines
7.4
Good
8,667 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.0

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.6
Okay
6,767 reviews
United Airlines
7.4
Good
8,667 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.0

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

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

    Air Canada, at $719, was found to be the cheapest airline from St. Louis to Vienna.Alternate airlines to your destination round-trip include United Airlines and British Airways. You may be able to fly from St. Louis to Vienna for 38% 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, 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 $1,312). 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Amstetten
Melk

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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 abril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Austrian AirlinesCheapest$611Average$1,283FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$672Average$1,109FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$691Average$1,027FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$696Average$1,011FlexibilityNo cancel feeOn-time67%

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