HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Vienna

$565+ 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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — VIE
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
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 February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$648
(Air Canada)

One-way from

$565
(Delta)

Popular in

June

Cheapest in

February

Average price

$638
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. 26% potential increase in price ($389 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($55 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 22, 2025.

This United Airlines deal was found by Cheapflights users on 2/21. 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 4/16:30 amSTL - VIE
1 stop18h 50mUnited Airlines
Tue 4/1510:30 amVIE - STL
2 stops30h 28mUnited Airlines
Deal found 2/21$737
This Mytrip deal was found by Cheapflights users on 2/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/285:33 pmSTL - VIE
2 stops55h 47mAir Canada
Sun 4/67:15 amVIE - STL
2 stops38h 34mAir Canada
Deal found 2/21$745
This Travelocity deal was found by Cheapflights users on 2/21. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/17:25 amSTL - VIE
1 stop17h 25mMultiple Airlines
Tue 4/158:20 pmVIE - STL
1 stop24h 10mMultiple Airlines
Deal found 2/21$761
This Justfly.com deal was found by Cheapflights users on 2/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/281:27 pmSTL - VIE
1 stop11h 38mAustrian Airlines
Sat 12/610:30 amVIE - STL
1 stop17h 40mAustrian Airlines
Deal found 2/21$866
This KLM deal was found by Cheapflights users on 2/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2711:51 amSTL - VIE
2 stops16h 39mKLM
Mon 12/812:15 pmVIE - STL
2 stops15h 15mKLM
Deal found 2/21$890
This Justfly.com deal was found by Cheapflights users on 2/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/296:29 pmSTL - VIE
2 stops15h 46mBritish Airways
Mon 12/86:55 amVIE - STL
2 stops18h 20mBritish Airways
Deal found 2/21$903
This Scandinavian Airlines deal was found by Cheapflights users on 2/21. 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 12/52:05 pmSTL - VIE
3 stops25h 50mScandinavian Airlines
Sun 12/146:55 amVIE - STL
3 stops23h 44mScandinavian Airlines
Deal found 2/21$1,162
This oojo deal was found by Cheapflights users on 2/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/56:30 amSTL - VIE
2 stops29h 15mTurkish Airlines
Wed 4/91:50 pmVIE - STL
2 stops31h 52mTurkish Airlines
Deal found 2/21$1,358
This business-class.com deal was found by Cheapflights users on 2/21. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1011:21 amSTL - VIE
2 stops24h 09mFinnair
Sat 4/1911:35 amVIE - STL
2 stops17h 37mFinnair
Deal found 2/21$3,057
This Lufthansa deal was found by Cheapflights users on 2/21. 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.
Tue 2/255:36 pmSTL - VIE
2 stops16h 09mLufthansa
Mon 3/107:50 pmVIE - STL
2 stops33h 42mLufthansa
Deal found 2/21$6,697
This American Airlines deal was found by Cheapflights users on 2/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/236:36 pmSTL - VIE
2 stops16h 19mAmerican Airlines
Sun 3/96:55 amVIE - STL
2 stops18h 17mAmerican Airlines
Deal found 2/21$7,225
This Iberia deal was found by Cheapflights users on 2/21. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2612:00 pmSTL - VIE
2 stops24h 05mIberia
Tue 3/47:45 pmVIE - STL
2 stops33h 17mIberia
Deal found 2/21$9,089

Find flights from St. Louis to Vienna within your budget

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 February 22, 2025.

Fly from

St. Louis

Fly to

Vienna

Route

Depart

Return

Price

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 3/10

3:50 pm-6:05 pm

2 stops20h 15m

Vienna Intl

Thu 3/20

10:40 am-3:06 pm

2 stops34h 26m

$648

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Tue 3/18

3:50 pm-3:20 pm

2 stops17h 30m

Vienna Intl

Mon 3/31

9:00 pm-2:49 pm

2 stops48h 49m

$665

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Tue 4/1

6:30 am-8:20 am

1 stop18h 50m

Vienna Intl

Tue 4/15

10:30 am-9:58 am

2 stops30h 28m

$737

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 4/7

5:27 pm-6:25 pm

2 stops17h 58m

Vienna Intl

Mon 4/14

7:20 pm-6:02 pm

2 stops29h 42m

$845

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 3/10

1:05 pm-8:05 am

1 stop13h 00m

Vienna Intl

Thu 3/20

10:30 am-11:33 pm

1 stop19h 03m

$1,195

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sat 4/5

6:30 am-6:45 pm

2 stops29h 15m

Vienna Intl

Wed 4/9

1:50 pm-2:42 pm

2 stops31h 52m

$1,358

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Fri 5/16

4:00 pm-10:55 pm

3 stops23h 55m

Vienna Intl

Fri 5/30

7:05 am-11:38 pm

3 stops23h 33m

$2,487

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Thu 4/10

11:21 am-6:30 pm

2 stops24h 09m

Vienna Intl

Sat 4/19

11:35 am-10:12 pm

2 stops17h 37m

$3,057

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sat 4/12

1:43 pm-5:00 pm

2 stops20h 17m

$565

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sat 4/12

3:30 pm-8:20 am

1 stop33h 50m

$610

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Vienna flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

Travel insights for flights from St. Louis to Vienna

Get recent, data-driven insights about flights from St. Louis to Vienna including ideal travel times, pricing trends, and more.

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 $1,318). 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 February 22, 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 February 22, 2025.
See what other customers who have flown with Delta, Finnair and Austrian Airlines from St. Louis to Vienna have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,212 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,212 reviews
Delta
8.0
Very good
8,212 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.6
Good
1,271 reviews
Delta
8.0
Very good
8,212 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Austrian Airlines
7.5
Good
771 reviews
Delta
8.0
Very good
8,212 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,759 reviews
Delta
8.0
Very good
8,212 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Turkish Airlines
7.3
Good
3,825 reviews
Delta
8.0
Very good
8,212 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $648, 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 40% 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 $1,318). 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

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 5 airlines flying from St. Louis to Vienna

Discover the top 5 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 February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Austrian AirlinesCheapest$611Average$1,280FlexibilityNo cancel feeOn-time78%
Air CanadaCheapest$656Average$996FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$662Average$1,101FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$672Average$1,150FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$688Average$838FlexibilityNo cancel feeOn-time70%
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.