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$511+ 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 11/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — VIE
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$604
(United Airlines)

One-way from

$511
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,457
From Lambert-St Louis to Vienna Intl
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One-way flight from Lambert-St Louis to Vienna Intl
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Highest demand for flights based on searches. 19% potential increase in price ($245 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. 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 10/1212:25 pmSTL - VIE
1 stop12h 55mUnited Airlines
Wed 11/510:55 amVIE - STL
1 stop18h 52mUnited Airlines
Deal found 6/10$604
This flugladen.de deal was found by Cheapflights users on 6/10. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/151:30 pmSTL - VIE
1 stop12h 05mMultiple Airlines
Wed 11/58:00 amVIE - STL
1 stop12h 55mMultiple Airlines
Deal found 6/10$609
This Air Canada deal was found by Cheapflights users on 6/10. 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.
Wed 10/151:30 pmSTL - VIE
1 stop12h 05mAir Canada
Fri 11/710:35 amVIE - STL
2 stops37h 39mAir Canada
Deal found 6/10$611
This Delta deal was found by Cheapflights users on 6/10. 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.
Wed 10/155:45 pmSTL - VIE
2 stops16h 15mDelta
Mon 11/312:15 pmVIE - STL
2 stops34h 17mDelta
Deal found 6/10$674
This Lufthansa deal was found by Cheapflights users on 6/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/123:30 pmSTL - VIE
1 stop12h 15mLufthansa
Sun 11/28:00 amVIE - STL
1 stop12h 55mLufthansa
Deal found 6/10$684
This Austrian Airlines deal was found by Cheapflights users on 6/10. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1212:25 pmSTL - VIE
1 stop12h 55mAustrian Airlines
Thu 11/610:30 amVIE - STL
1 stop20h 14mAustrian Airlines
Deal found 6/10$687
This Scandinavian Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 11/281:30 pmSTL - VIE
3 stops26h 10mScandinavian Airlines
Sun 12/710:15 amVIE - STL
2 stops20h 24mScandinavian Airlines
Deal found 6/10$1,159
This Priceline deal was found by Cheapflights users on 6/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/148:01 pmSTL - VIE
2 stops31h 19mBritish Airways
Fri 7/187:45 amVIE - STL
2 stops19h 34mBritish Airways
Deal found 6/11$1,471

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 June 12, 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

Sun 10/12

12:25 pm-8:20 am

1 stop12h 55m

Vienna Intl

Wed 11/5

10:55 am-10:47 pm

1 stop18h 52m

$604

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Wed 10/15

1:30 pm-8:35 am

1 stop12h 05m

Vienna Intl

Wed 11/5

8:00 am-1:55 pm

1 stop12h 55m

$609

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Wed 10/15

1:30 pm-8:35 am

1 stop12h 05m

Vienna Intl

Fri 11/7

10:35 am-5:14 pm

2 stops37h 39m

$611

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Wed 10/15

5:45 pm-5:00 pm

2 stops16h 15m

Vienna Intl

Mon 11/3

12:15 pm-3:32 pm

2 stops34h 17m

$674

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sun 10/12

3:30 pm-10:45 am

1 stop12h 15m

Vienna Intl

Sun 11/2

8:00 am-1:55 pm

1 stop12h 55m

$684

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sun 10/12

12:25 pm-8:20 am

1 stop12h 55m

Vienna Intl

Thu 11/6

10:30 am-11:44 pm

1 stop20h 14m

$687

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Fri 11/28

1:30 pm-10:40 pm

3 stops26h 10m

Vienna Intl

Sun 12/7

10:15 am-11:39 pm

2 stops20h 24m

$1,159

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 7/14

8:01 pm-10:20 am

2 stops31h 19m

Vienna Intl

Fri 7/18

7:45 am-8:19 pm

2 stops19h 34m

$1,471

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Fri 11/28

3:50 pm-11:45 am

1 stop12h 55m

$511

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Fri 11/28

6:45 am-8:30 am

2 stops18h 45m

$518

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 11 results
1
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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 $1,257). 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 June 12, 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 June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Scandinavian Airlines
7.3
Good
1,387 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,531 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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?

    United Airlines, at $604, was found to be the cheapest airline from St. Louis to Vienna.Alternate airlines to your destination round-trip include Air Canada and Delta. You may be able to fly from St. Louis to Vienna for 41% 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 Lufthansa, which is currently one of the cheapest options available, starting at $511. United Airlines flights start at $518 while deals on Scandinavian Airlines start at $3,009 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 $1,257). 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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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Austrian AirlinesCheapest$611Average$1,297FlexibilityNo cancel feeOn-time78%
Air CanadaCheapest$645Average$1,057FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$672Average$1,054FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$674Average$1,007FlexibilityNo cancel feeOn-time76%

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