$348+ Cheap flights from St. Louis (STL) to Austria
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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — VIE
Sep 17 — Sep 241
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Austria 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
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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 Austria
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Cheapest flights from St. Louis to AustriaExplore the most affordable flight options available from St. Louis to Austria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2026.
Explore the most affordable flight options available from St. Louis to Austria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2026.
This Air Canada deal was found by Cheapflights users on 8/15. 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 11/154:05 pm -
2 stops23h 35m
Thu 11/1910:40 am -
2 stops30h 52m
Deal found 8/15![Air Canada logo]()
$752
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Sun 11/156:00 am -
1 stop19h 00m
Thu 11/1910:35 am -
2 stops32h 35m
Deal found 8/17![United Airlines logo]()
$757
This Gotogate deal was found by Cheapflights users on 8/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/154:05 pm -
1 stop33h 40m
Thu 11/196:30 pm -
1 stop26h 15m
Deal found 8/14![Multiple Airlines logo]()
$767
This oojo deal was found by Cheapflights users on 8/18. 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.
Wed 12/27:04 pm -
2 stops20h 31m
Wed 12/92:45 pm -
2 stops15h 24m
Deal found 8/18![Lufthansa logo]()
$779
This FlightHub deal was found by Cheapflights users on 8/15. 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.
Wed 12/21:08 pm -
2 stops26h 27m
Wed 12/92:45 pm -
2 stops31h 41m
Deal found 8/15![Multiple Airlines logo]()
$793
This United Airlines deal was found by Cheapflights users on 8/18. 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 12/27:33 am -
2 stops17h 57m
Sun 12/610:30 am -
1 stop19h 55m
Deal found 8/18![United Airlines logo]()
$827
This oojo deal was found by Cheapflights users on 8/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:50 pm -
2 stops14h 45m
Mon 11/168:15 pm -
2 stops32h 37m
Deal found 8/17![Lufthansa logo]()
$851
This Expedia deal was found by Cheapflights users on 8/15. 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.
Fri 12/117:33 am -
2 stops18h 12m
Sat 12/1910:40 am -
2 stops35h 46m
Deal found 8/15![Multiple Airlines logo]()
$855
This Justfly.com deal was found by Cheapflights users on 8/17. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/94:05 pm -
1 stop33h 40m
Mon 11/166:30 pm -
2 stops34h 22m
Deal found 8/17![Multiple Airlines logo]()
$862
This KAYAK deal was found by Cheapflights users on 8/18. 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 12/26:00 am -
1 stop19h 05m
Sun 12/610:30 am -
1 stop19h 55m
Deal found 8/18![Austrian Airlines logo]()
$872
This United Airlines deal was found by Cheapflights users on 8/15. 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 12/117:33 am -
1 stop17h 32m
Sat 12/1911:20 am -
2 stops35h 06m
Deal found 8/15![United Airlines logo]()
$877
This Gotogate deal was found by Cheapflights users on 8/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:10 pm -
1 stop13h 25m
Tue 10/2011:00 am -
1 stop14h 41m
Deal found 8/17![Multiple Airlines logo]()
$893
Best flights from St. Louis to AustriaDiscover carefully curated flight deals from St. Louis to Austria that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2026.
Discover carefully curated flight deals from St. Louis to Austria that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2026.
This Air Canada deal was found by Cheapflights users on 8/15. 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 11/154:05 pm -
1 stop33h 40m
Thu 11/1910:40 am -
2 stops30h 52m
Deal found 8/15![Air Canada logo]()
$756
This United Airlines deal was found by Cheapflights users on 8/14. 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 11/156:00 am -
1 stop19h 00m
Thu 11/1910:35 am -
2 stops32h 35m
Deal found 8/14![United Airlines logo]()
$757
This oojo deal was found by Cheapflights users on 8/18. 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.
Wed 12/27:04 pm -
2 stops20h 31m
Wed 12/92:45 pm -
2 stops15h 24m
Deal found 8/18![Lufthansa logo]()
$779
This FlightHub deal was found by Cheapflights users on 8/15. 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.
Wed 12/21:08 pm -
2 stops26h 27m
Wed 12/92:45 pm -
2 stops31h 41m
Deal found 8/15![Multiple Airlines logo]()
$793
This United Airlines deal was found by Cheapflights users on 8/18. 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 12/27:33 am -
2 stops17h 57m
Sun 12/610:35 am -
2 stops17h 38m
Deal found 8/18![United Airlines logo]()
$827
This Gotogate deal was found by Cheapflights users on 8/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/283:30 pm -
1 stop12h 15m
Mon 10/57:25 pm -
2 stops30h 16m
Deal found 8/14![Multiple Airlines logo]()
$930
This oojo deal was found by Cheapflights users on 8/16. 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.
Wed 9/301:29 pm -
2 stops21h 36m
Wed 10/76:00 am -
2 stops22h 21m
Deal found 8/16![Lufthansa logo]()
$931
This United Airlines deal was found by Cheapflights users on 8/15. 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 12/117:33 am -
1 stop17h 32m
Sat 12/1911:20 am -
2 stops35h 06m
Deal found 8/15![United Airlines logo]()
$877
This United Airlines deal was found by Cheapflights users on 8/15. 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 9/2910:27 am -
1 stop14h 48m
Tue 10/610:30 am -
2 stops32h 43m
Deal found 8/15![United Airlines logo]()
$911
This United Airlines deal was found by Cheapflights users on 8/16. 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 9/308:55 am -
1 stop16h 25m
Wed 10/78:00 am -
1 stop12h 25m
Deal found 8/16![United Airlines logo]()
$927
This Mytrip deal was found by Cheapflights users on 8/16. 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.
Wed 9/302:40 pm -
3 stops34h 55m
Wed 10/76:00 am -
3 stops21h 00m
Deal found 8/16![Multiple Airlines logo]()
$1,182
This Air Canada deal was found by Cheapflights users on 8/18. 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 12/29:40 am -
3 stops17h 25m
Wed 12/910:50 am -
3 stops19h 19m
Deal found 8/18![Air Canada logo]()
$1,355
This United Airlines deal was found by Cheapflights users on 8/16. 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 9/307:30 am -
3 stops27h 35m
Wed 10/72:20 pm -
2 stops30h 40m
Deal found 8/16![United Airlines logo]()
$957
This Justfly.com deal was found by Cheapflights users on 8/15. 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.
Wed 12/23:40 pm -
1 stop16h 40m
Wed 12/96:15 am -
1 stop14h 30m
Deal found 8/15![Lufthansa logo]()
$1,365
This United Airlines deal was found by Cheapflights users on 8/15. 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 12/23:40 pm -
1 stop11h 25m
Wed 12/96:30 am -
1 stop14h 15m
Deal found 8/15![United Airlines logo]()
$1,032
Last-minute flights from St. Louis to AustriaDiscover last-minute flight deals from St. Louis to Austria. Data last updated August 18, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Austria. Data last updated August 18, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 8/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:55 am -
1 stop16h 25m
Wed 9/2311:00 am -
1 stop14h 41m
Deal found 8/18![Multiple Airlines logo]()
$897
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/167:00 am -
2 stops17h 10m
Wed 9/2310:30 am -
2 stops32h 43m
Deal found 8/18![United Airlines logo]()
$911
This Gotogate deal was found by Cheapflights users on 8/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/283:30 pm -
1 stop12h 15m
Mon 10/57:25 pm -
2 stops30h 16m
Deal found 8/14![Multiple Airlines logo]()
$930
This Booking.com deal was found by Cheapflights users on 8/15. 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.
Tue 9/2912:20 pm -
1 stop12h 30m
Tue 10/610:30 am -
1 stop34h 30m
Deal found 8/15![Multiple Airlines logo]()
$901
This Mytrip deal was found by Cheapflights users on 8/15. 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.
Tue 9/2912:10 pm -
2 stops38h 00m
Tue 10/610:30 am -
2 stops32h 43m
Deal found 8/15![Air Canada logo]()
$906
This Booking.com deal was found by Cheapflights users on 8/16. 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 9/308:55 am -
1 stop16h 25m
Wed 10/710:30 am -
1 stop34h 30m
Deal found 8/16![Multiple Airlines logo]()
$904
This Gotogate deal was found by Cheapflights users on 8/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:10 pm -
2 stops27h 30m
Wed 10/76:00 am -
2 stops19h 41m
Deal found 8/16![Air Canada logo]()
$922
This oojo deal was found by Cheapflights users on 8/16. 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.
Wed 9/301:29 pm -
2 stops21h 36m
Wed 10/76:00 am -
1 stop14h 25m
Deal found 8/16![Lufthansa logo]()
$924
This United Airlines deal was found by Cheapflights users on 8/16. 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 9/308:55 am -
1 stop16h 25m
Wed 10/78:00 am -
1 stop12h 25m
Deal found 8/16![United Airlines logo]()
$927
This United Airlines deal was found by Cheapflights users on 8/16. 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 9/307:30 am -
3 stops27h 35m
Wed 10/72:20 pm -
2 stops30h 40m
Deal found 8/16![United Airlines logo]()
$957
This Mytrip deal was found by Cheapflights users on 8/16. 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.
Wed 9/302:40 pm -
3 stops34h 55m
Wed 10/76:00 am -
3 stops21h 00m
Deal found 8/16![Multiple Airlines logo]()
$1,182
One-way flights from St. Louis to AustriaSearch for one-way flight options from St. Louis to Austria. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.
Search for one-way flight options from St. Louis to Austria. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.
This United Airlines deal was found by Cheapflights users on 8/15. 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 12/26:00 am -
2 stops19h 30m
Deal found 8/15![United Airlines logo]()
$348
This Air Canada deal was found by Cheapflights users on 8/15. 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 12/14:05 pm -
2 stops34h 05m
Deal found 8/15![Air Canada logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Thu 10/154:30 pm -
3 stops43h 55m
Deal found 8/16![Multiple Airlines logo]()
$372
This Air Canada deal was found by Cheapflights users on 8/15. 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.
Thu 12/36:00 am -
2 stops19h 15m
Deal found 8/15![Air Canada logo]()
$402
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:20 am -
3 stops41h 35m
Deal found 8/17![Multiple Airlines logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 8/15. 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.
Thu 12/36:05 pm -
3 stops45h 45m
Deal found 8/15![Multiple Airlines logo]()
$437
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:10 pm -
3 stops55h 25m
Deal found 8/17![Multiple Airlines logo]()
$441
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/252:29 pm -
3 stops42h 01m
Deal found 8/17![Multiple Airlines logo]()
$466
This Delta deal was found by Cheapflights users on 8/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/262:00 pm -
2 stops20h 35m
Deal found 8/17![Delta logo]()
$467
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Sat 9/267:01 pm -
1 stop30h 14m
Deal found 8/17![United Airlines logo]()
$475
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Sat 9/262:40 pm -
2 stops36h 05m
Deal found 8/17![United Airlines logo]()
$487
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:10 pm -
3 stops55h 00m
Deal found 8/17![Multiple Airlines logo]()
$571
Find flight deals from St. Louis to Austria
Keep the following information in mind while searching for St. Louis to Austria flight deals. Data was last updated August 18, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $752 (Air Canada) |
One-way from | $348 (United Airlines) |
Popular in | August |
Cheapest in | February |
Average price | $4,508 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Austria 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 August 18, 2026.
Use the filters below to find and compare flights from St. Louis to Austria that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisVienna
STL Lambert-St Louis - VIE Vienna Intl
STLVIE
Lambert-St Louis
Sun 11/15
4:05 pm-8:45 am
1 stop33h 40m
Vienna Intl
Thu 11/19
10:40 am-10:32 am
2 stops30h 52m
$756
St. LouisVienna
STL Lambert-St Louis - VIE Vienna Intl
STLVIE
Lambert-St Louis
Sun 11/15
6:00 am-8:00 am
1 stop19h 00m
Vienna Intl
Thu 11/19
10:35 am-12:10 pm
2 stops32h 35m
$757
St. LouisSalzburg
STL Lambert-St Louis - SZG Salzburg W.A. Mozart
STLSZG
Lambert-St Louis
Wed 12/2
7:04 pm-10:35 pm
2 stops20h 31m
Salzburg W.A. Mozart
Wed 12/9
2:45 pm-11:09 pm
2 stops15h 24m
$779
St. LouisSalzburg
STL Lambert-St Louis - SZG Salzburg W.A. Mozart
STLSZG
Lambert-St Louis
Wed 12/2
1:08 pm-10:35 pm
2 stops26h 27m
Salzburg W.A. Mozart
Wed 12/9
2:45 pm-3:26 pm
2 stops31h 41m
$793
St. LouisVienna
STL Lambert-St Louis - VIE Vienna Intl
STLVIE
Lambert-St Louis
Wed 12/2
7:33 am-8:30 am
2 stops17h 57m
Vienna Intl
Sun 12/6
10:35 am-9:13 pm
2 stops17h 38m
$827
St. LouisVienna
STL Lambert-St Louis - VIE Vienna Intl
STLVIE
Lambert-St Louis
Fri 12/11
7:33 am-8:05 am
1 stop17h 32m
Vienna Intl
Sat 12/19
11:20 am-3:26 pm
2 stops35h 06m
$877
St. LouisVienna
STL Lambert-St Louis - VIE Vienna Intl
STLVIE
Lambert-St Louis
Tue 9/29
10:27 am-8:15 am
1 stop14h 48m
Vienna Intl
Tue 10/6
10:30 am-12:13 pm
2 stops32h 43m
$911
St. LouisVienna
STL Lambert-St Louis - VIE Vienna Intl
STLVIE
Lambert-St Louis
Wed 9/30
8:55 am-8:20 am
1 stop16h 25m
Vienna Intl
Wed 10/7
8:00 am-1:25 pm
1 stop12h 25m
$927
St. LouisVienna
STL Lambert-St Louis - VIE Vienna Intl
STLVIE
Lambert-St Louis
Mon 9/28
3:30 pm-10:45 am
1 stop12h 15m
Vienna Intl
Mon 10/5
7:25 pm-6:41 pm
2 stops30h 16m
$930
St. LouisSalzburg
STL Lambert-St Louis - SZG Salzburg W.A. Mozart
STLSZG
Lambert-St Louis
Wed 9/30
1:29 pm-6:05 pm
2 stops21h 36m
Salzburg W.A. Mozart
Wed 10/7
6:00 am-9:21 pm
2 stops22h 21m
$931
Showing 1-10 of 24 resultsSorted by cheapest first
Best time to book a flight from St. Louis to Austria
Have a flexible travel schedule? Discover the best time to fly to Austria from St. Louis with our price prediction graph.
STL-VIE
STL-SZG
STL-LNZ
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 Austria
STL-AT0
STL-VIE
STL-SZG
STL-LNZ
What is the cheapest month to book a flight from St. Louis to Austria?
Currently, February is the cheapest month in which you can book a flight from St. Louis to Austria (average of $543). Flying from St. Louis to Austria in August is currently the most expensive (average of $4,508). 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.
Reviews of airlines servicing Austria
Get insights into the airlines that provide service to Austria. 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 Austria. Reviews last updated August 18, 2026.
Read through reviews of airlines operating flights from St. Louis to Austria, such as United Airlines and Lufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Entertainment
7.1
Overall
7.4
Comfort
7.3
Food
6.7
Boarding
7.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Crew
8.1
Entertainment
7.1
Overall
7.4
Comfort
7.3
Food
6.7
Boarding
7.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Crew
8.1
Entertainment
7.1
Overall
7.4
Comfort
7.3
Food
6.7
Boarding
7.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Related info for your journey
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Alternative routes for St. Louis to Austria
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Complete your trip
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St. Louis and Austria flights
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St. Louis to Austria flights
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Top 2 airlines flying from St. Louis to Austria
Discover the top 2 airlines that operate flights from St. Louis to Austria. 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 August 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$503 | Average$984 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$555 | Average$912 | FlexibilityNo cancel fee | On-time69% |