$395+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — VIE
Jun 24 — Jul 11
Round-trip
1 adult, Economy
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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
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Cheapest flights from St. Louis to ViennaExplore 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 May 25, 2026.
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 May 25, 2026.
This Finnair deal was found by Cheapflights users on 5/21. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/91:20 pm
STL
- VIE
2 stops19h 00m
Multiple Airlines
Mon 11/167:15 pm
VIE
- STL
2 stops31h 15m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$782
This FlightHub deal was found by Cheapflights users on 5/23. 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.
Mon 9/141:30 pm
STL
- VIE
2 stops37h 05m
Scandinavian Airlines
Fri 9/1810:15 am
VIE
- STL
2 stops20h 22m
Scandinavian Airlines
Deal found 5/23![Scandinavian Airlines logo]()
$794
This Cheapflightsfares deal was found by Cheapflights users on 5/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:59 pm
STL
- VIE
1 stop12h 16m
Multiple Airlines
Fri 9/188:00 am
VIE
- STL
1 stop12h 25m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$830
This Cheapflightsfares deal was found by Cheapflights users on 5/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:59 pm
STL
- VIE
2 stops16h 21m
Austrian Airlines
Fri 9/1810:45 am
VIE
- STL
1 stop19h 53m
Austrian Airlines
Deal found 5/23![Austrian Airlines logo]()
$833
This Cheapflightsfares deal was found by Cheapflights users on 5/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/271:29 pm
STL
- VIE
1 stop11h 46m
Austrian Airlines
Wed 10/1410:45 am
VIE
- STL
1 stop17h 39m
Austrian Airlines
Deal found 5/24![Austrian Airlines logo]()
$836
This Cheapflightsfares deal was found by Cheapflights users on 5/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/271:29 pm
STL
- VIE
2 stops13h 41m
Multiple Airlines
Wed 10/78:00 am
VIE
- STL
1 stop12h 25m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$839
This Air Canada deal was found by Cheapflights users on 5/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:10 pm
STL
- VIE
2 stops17h 10m
Air Canada
Tue 9/2211:00 am
VIE
- STL
2 stops31h 57m
Air Canada
Deal found 5/21![Air Canada logo]()
$842
This Air Canada deal was found by Cheapflights users on 5/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1312:10 pm
STL
- VIE
1 stop13h 25m
Air Canada
Tue 9/2211:00 am
VIE
- STL
2 stops31h 57m
Air Canada
Deal found 5/21![Air Canada logo]()
$845
This Air Canada deal was found by Cheapflights users on 5/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:10 pm
STL
- VIE
2 stops17h 10m
Air Canada
Thu 9/2410:30 am
VIE
- STL
2 stops32h 43m
Air Canada
Deal found 5/21![Air Canada logo]()
$847
This Air Canada deal was found by Cheapflights users on 5/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:00 am
STL
- VIE
2 stops17h 35m
Air Canada
Tue 9/2211:00 am
VIE
- STL
2 stops31h 57m
Air Canada
Deal found 5/21![Air Canada logo]()
$850
This United Airlines deal was found by Cheapflights users on 5/22. 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 9/271:29 pm
STL
- VIE
1 stop11h 46m
United Airlines
Thu 10/810:30 am
VIE
- STL
2 stops41h 54m
United Airlines
Deal found 5/22![United Airlines logo]()
$851
This United Airlines deal was found by Cheapflights users on 5/21. 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.
Sun 9/135:30 pm
STL
- VIE
1 stop31h 45m
United Airlines
Wed 9/2310:30 am
VIE
- STL
1 stop34h 30m
United Airlines
Deal found 5/21![United Airlines logo]()
$852
Best flights from St. Louis to ViennaDiscover carefully curated flight deals from St. Louis to Vienna that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 25, 2026.
Discover carefully curated flight deals from St. Louis to Vienna that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 25, 2026.
This United Airlines deal was found by Cheapflights users on 5/21. 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.
Sun 6/75:29 pm
STL
- VIE
2 stops35h 51m
United Airlines
Thu 6/1810:30 am
VIE
- STL
2 stops36h 16m
United Airlines
Deal found 5/21![United Airlines logo]()
$1,310
This Scandinavian Airlines deal was found by Cheapflights users on 5/20. 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 6/121:39 pm
STL
- VIE
2 stops22h 41m
Scandinavian Airlines
Sat 6/207:00 am
VIE
- STL
3 stops23h 46m
Scandinavian Airlines
Deal found 5/20![Scandinavian Airlines logo]()
$2,354
This United Airlines deal was found by Cheapflights users on 5/22. 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.
Thu 6/117:22 am
STL
- VIE
2 stops17h 58m
United Airlines
Thu 6/2510:30 am
VIE
- STL
2 stops32h 41m
United Airlines
Deal found 5/22![United Airlines logo]()
$1,391
This United Airlines deal was found by Cheapflights users on 5/23. 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 6/196:00 am
STL
- VIE
1 stop18h 50m
United Airlines
Fri 6/2610:30 am
VIE
- STL
1 stop16h 37m
United Airlines
Deal found 5/23![United Airlines logo]()
$1,397
This Scandinavian Airlines deal was found by Cheapflights users on 5/23. 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.
Thu 6/181:39 pm
STL
- VIE
2 stops22h 41m
Scandinavian Airlines
Fri 6/267:00 am
VIE
- STL
3 stops22h 18m
Scandinavian Airlines
Deal found 5/23![Scandinavian Airlines logo]()
$2,819
This Scandinavian Airlines deal was found by Cheapflights users on 5/21. 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.
Sun 6/73:57 pm
STL
- VIE
2 stops20h 23m
Scandinavian Airlines
Thu 6/187:00 am
VIE
- STL
3 stops23h 56m
Scandinavian Airlines
Deal found 5/21![Scandinavian Airlines logo]()
$3,499
Last-minute flights from St. Louis to ViennaDiscover last-minute flight deals from St. Louis to Vienna. Data last updated May 25, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Vienna. Data last updated May 25, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 5/21. 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.
Mon 6/82:15 pm
STL
- VIE
3 stops22h 00m
Multiple Airlines
Thu 6/186:10 am
VIE
- STL
3 stops21h 15m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$1,214
This Air Canada deal was found by Cheapflights users on 5/24. 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.
Sun 6/211:20 pm
STL
- VIE
1 stop12h 15m
Air Canada
Tue 6/3010:30 am
VIE
- STL
1 stop34h 32m
Air Canada
Deal found 5/24![Air Canada logo]()
$1,197
This Air Canada deal was found by Cheapflights users on 5/24. 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.
Sun 6/211:20 pm
STL
- VIE
1 stop12h 15m
Air Canada
Wed 7/16:00 am
VIE
- STL
2 stops19h 42m
Air Canada
Deal found 5/24![Air Canada logo]()
$1,202
This United Airlines deal was found by Cheapflights users on 5/24. 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 6/218:40 am
STL
- VIE
1 stop16h 40m
United Airlines
Wed 7/17:00 am
VIE
- STL
1 stop13h 25m
United Airlines
Deal found 5/24![United Airlines logo]()
$1,204
This United Airlines deal was found by Cheapflights users on 5/24. 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 6/216:00 am
STL
- VIE
2 stops19h 20m
United Airlines
Fri 7/34:55 pm
VIE
- STL
2 stops26h 16m
United Airlines
Deal found 5/24![United Airlines logo]()
$1,213
This Delta deal was found by Cheapflights users on 5/24. 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.
Sun 6/211:59 pm
STL
- VIE
2 stops22h 11m
Delta
Wed 7/12:20 pm
VIE
- STL
2 stops33h 26m
Delta
Deal found 5/24![Delta logo]()
$1,218
This KAYAK deal was found by Cheapflights users on 5/24. 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.
Sun 6/2112:23 pm
STL
- VIE
2 stops37h 27m
Austrian Airlines
Mon 6/298:20 pm
VIE
- STL
2 stops34h 16m
Austrian Airlines
Deal found 5/24![Austrian Airlines logo]()
$1,222
This KAYAK deal was found by Cheapflights users on 5/24. 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.
Sun 6/2112:55 pm
STL
- VIE
2 stops15h 50m
Lufthansa
Mon 6/295:10 pm
VIE
- STL
1 stop27h 15m
Lufthansa
Deal found 5/24![Lufthansa logo]()
$1,248
This Air Canada deal was found by Cheapflights users on 5/24. 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.
Mon 6/221:20 pm
STL
- VIE
1 stop12h 15m
Air Canada
Thu 7/27:00 am
VIE
- STL
2 stops20h 07m
Air Canada
Deal found 5/24![Air Canada logo]()
$1,207
This KAYAK deal was found by Cheapflights users on 5/24. 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.
Mon 6/221:13 pm
STL
- VIE
2 stops36h 57m
Austrian Airlines
Fri 7/37:20 am
VIE
- STL
2 stops23h 24m
Austrian Airlines
Deal found 5/24![Austrian Airlines logo]()
$1,210
This KAYAK deal was found by Cheapflights users on 5/24. 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.
Mon 6/221:13 pm
STL
- VIE
2 stops16h 22m
Lufthansa
Mon 6/295:10 pm
VIE
- STL
1 stop27h 15m
Lufthansa
Deal found 5/24![Lufthansa logo]()
$1,233
One-way flights from St. Louis to ViennaSearch for one-way flight options from St. Louis to Vienna. Find affordable one-way fares based on user searches. Data last updated May 25, 2026.
Search for one-way flight options from St. Louis to Vienna. Find affordable one-way fares based on user searches. Data last updated May 25, 2026.
This United Airlines deal was found by Cheapflights users on 5/20. 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.
Wed 9/27:00 am
STL
- VIE
2 stops17h 10m
United Airlines
Deal found 5/20![United Airlines logo]()
$395
This KAYAK deal was found by Cheapflights users on 5/20. 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.
Fri 9/1112:10 pm
STL
- VIE
2 stops17h 10m
Austrian Airlines
Deal found 5/20![Austrian Airlines logo]()
$450
This Air Canada deal was found by Cheapflights users on 5/22. 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 9/1112:10 pm
STL
- VIE
2 stops17h 10m
Air Canada
Deal found 5/22![Air Canada logo]()
$451
This American Airlines deal was found by Cheapflights users on 5/24. 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.
Fri 9/1110:14 am
STL
- VIE
2 stops17h 36m
American Airlines
Deal found 5/24![American Airlines logo]()
$452
This United Airlines deal was found by Cheapflights users on 5/20. 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 9/118:00 am
STL
- VIE
1 stop17h 15m
United Airlines
Deal found 5/20![United Airlines logo]()
$455
This Mytrip deal was found by Cheapflights users on 5/21. 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.
Sun 8/912:10 pm
STL
- VIE
2 stops38h 00m
Air Canada
Deal found 5/21![Air Canada logo]()
$459
This KAYAK deal was found by Cheapflights users on 5/22. 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.
Sun 8/912:10 pm
STL
- VIE
1 stop13h 25m
Austrian Airlines
Deal found 5/22![Austrian Airlines logo]()
$462
This United Airlines deal was found by Cheapflights users on 5/22. 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 8/99:20 am
STL
- VIE
2 stops15h 30m
United Airlines
Deal found 5/22![United Airlines logo]()
$463
This Kiwi.com deal was found by Cheapflights users on 5/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:04 pm
STL
- VIE
3 stops59h 46m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$612
This United Airlines deal was found by Cheapflights users on 5/20. 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 6/297:20 am
STL
- VIE
2 stops22h 00m
United Airlines
Deal found 5/20![United Airlines logo]()
$847
This Ovago deal was found by Cheapflights users on 5/22. 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.
Sat 5/301:05 pm
STL
- VIE
2 stops36h 15m
Austrian Airlines
Deal found 5/22![Austrian Airlines logo]()
$859
Find 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 May 25, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $782 (Finnair) |
One-way from | $395 (United Airlines) |
Popular in | June |
Cheapest in | February |
Average price | $1,368 |
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 May 25, 2026.
Use the filters below to find and compare flights from St. Louis to Vienna that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisVienna
STL - VIE
STLVIE
Lambert-St Louis
Sun 6/7
5:29 pm-12:20 pm
2 stops35h 51m
Vienna Intl
Thu 6/18
10:30 am-3:46 pm
2 stops36h 16m
$1,310
St. LouisVienna
STL - VIE
STLVIE
Lambert-St Louis
Thu 6/11
7:22 am-8:20 am
2 stops17h 58m
Vienna Intl
Thu 6/25
10:30 am-12:11 pm
2 stops32h 41m
$1,391
Quickest round-trip
St. LouisVienna
STL - VIE
STLVIE
Lambert-St Louis
Fri 6/19
6:00 am-7:50 am
1 stop18h 50m
Vienna Intl
Fri 6/26
10:30 am-8:07 pm
1 stop16h 37m
$1,397
St. LouisVienna
STL - VIE
STLVIE
Lambert-St Louis
Fri 6/12
1:39 pm-7:20 pm
2 stops22h 41m
Vienna Intl
Sat 6/20
7:00 am-11:46 pm
3 stops23h 46m
$2,354
St. LouisVienna
STL - VIE
STLVIE
Lambert-St Louis
Thu 6/18
1:39 pm-7:20 pm
2 stops22h 41m
Vienna Intl
Fri 6/26
7:00 am-10:18 pm
3 stops22h 18m
$2,819
St. LouisVienna
STL - VIE
STLVIE
Lambert-St Louis
Sun 6/7
3:57 pm-7:20 pm
2 stops20h 23m
Vienna Intl
Thu 6/18
7:00 am-11:56 pm
3 stops23h 56m
$3,499
Cheapest one-way
Quickest one-way
St. LouisVienna
STL - VIE
STLVIE
Lambert-St Louis
Wed 9/2
7:00 am-7:10 am
2 stops17h 10m
$395
St. LouisVienna
STL - VIE
STLVIE
Lambert-St Louis
Fri 9/11
8:00 am-8:15 am
1 stop17h 15m
$455
Sorted by cheapest first
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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Vienna flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on St. Louis-Vienna flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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.
STL-VIE
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, February is the cheapest month in which you can book a flight from St. Louis to Vienna (average of $523). Flying from St. Louis to Vienna in June is currently the most expensive (average of $1,373). 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.
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 May 25, 2026.
Read reviews from past customers who have flown United Airlines,Air Canada, andLufthansa 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.
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Food
6.6
Crew
8.1
Overall
7.4
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Food
6.6
Crew
8.1
Overall
7.4
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Food
6.6
Crew
8.1
Overall
7.4
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Food
6.6
Crew
8.1
Overall
7.4
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
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.
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Alternative routes for St. Louis to Vienna
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Find flights from St. Louis to Vienna, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Vienna flights
Browse other St. Louis and Vienna flight options. Last updated on May 25, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on May 25, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Other flights to Vienna
Explore flights to Vienna departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 25, 2026.
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 May 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$503 | Average$898 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$555 | Average$775 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$645 | Average$1,019 | FlexibilityNo cancel fee | On-time67% |