$362+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — VIE
Apr 21 — Apr 281
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Austria with Cheapflights
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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 March 22, 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 March 22, 2026.
This United Airlines deal was found by Cheapflights users on 3/19. 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 11/161:27 pm
STL
- VIE
1 stop11h 38m
United Airlines
Fri 12/1110:35 am
VIE
- STL
2 stops36h 03m
United Airlines
Deal found 3/19![United Airlines logo]()
$707
This United Airlines deal was found by Cheapflights users on 3/19. 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 11/34:15 pm
STL
- VIE
1 stop33h 30m
United Airlines
Thu 11/1210:35 am
VIE
- STL
2 stops34h 43m
United Airlines
Deal found 3/19![United Airlines logo]()
$711
This FlightHub deal was found by Cheapflights users on 3/19. 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 11/161:27 pm
STL
- VIE
1 stop11h 38m
Multiple Airlines
Fri 12/116:00 am
VIE
- STL
1 stop14h 55m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$717
This United Airlines deal was found by Cheapflights users on 3/18. 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.
Mon 12/71:27 pm
STL
- VIE
1 stop11h 38m
United Airlines
Wed 12/97:00 am
VIE
- STL
1 stop13h 55m
United Airlines
Deal found 3/18![United Airlines logo]()
$718
This FlightHub deal was found by Cheapflights users on 3/19. 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 11/24:15 pm
STL
- VIE
2 stops23h 25m
Multiple Airlines
Wed 11/118:00 am
VIE
- STL
1 stop12h 55m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$719
This Air Canada deal was found by Cheapflights users on 3/19. 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 11/24:15 pm
STL
- VIE
2 stops23h 25m
Air Canada
Wed 11/116:00 am
VIE
- STL
2 stops16h 30m
Air Canada
Deal found 3/19![Air Canada logo]()
$727
This Gotogate deal was found by Cheapflights users on 3/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/74:15 pm
STL
- VIE
2 stops15h 00m
Multiple Airlines
Wed 12/98:00 am
VIE
- STL
1 stop12h 55m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$729
This Finnair deal was found by Cheapflights users on 3/21. 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 stops17h 30m
Multiple Airlines
Mon 11/167:15 pm
VIE
- STL
2 stops34h 14m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$731
This Booking.com deal was found by Cheapflights users on 3/19. 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.
Mon 11/24:15 pm
STL
- VIE
2 stops23h 25m
Multiple Airlines
Thu 11/121:55 pm
VIE
- STL
1 stop31h 00m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$739
This Flysmarter deal was found by Cheapflights users on 3/21. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:09 pm
STL
- SZG
2 stops20h 26m
Multiple Airlines
Tue 5/126:00 am
SZG
- STL
2 stops21h 25m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$793
This Expedia deal was found by Cheapflights users on 3/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:09 pm
STL
- SZG
2 stops15h 56m
Lufthansa
Tue 5/122:25 pm
SZG
- STL
1 stop30h 00m
Lufthansa
Deal found 3/21![Lufthansa logo]()
$822
This Air Canada deal was found by Cheapflights users on 3/22. 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.
Thu 11/124:15 pm
STL
- SZG
2 stops34h 35m
Air Canada
Mon 11/162:15 pm
SZG
- STL
2 stops56h 15m
Air Canada
Deal found 3/22![Air Canada logo]()
$825
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 March 22, 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 March 22, 2026.
This Flysmarter deal was found by Cheapflights users on 3/21. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:09 pm
STL
- SZG
2 stops20h 26m
Multiple Airlines
Tue 5/126:00 am
SZG
- STL
2 stops21h 25m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$793
This United Airlines deal was found by Cheapflights users on 3/22. 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 4/196:30 am
STL
- VIE
2 stops18h 40m
United Airlines
Sun 4/2610:30 am
VIE
- STL
1 stop17h 43m
United Airlines
Deal found 3/22![United Airlines logo]()
$836
This flugladen.de deal was found by Cheapflights users on 3/18. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/22:25 pm
STL
- SZG
2 stops36h 20m
Air Canada
Sat 5/92:20 pm
SZG
- STL
2 stops37h 05m
Air Canada
Deal found 3/18![Air Canada logo]()
$895
This Cheapflightsfares deal was found by Cheapflights users on 3/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2312:23 pm
STL
- SZG
2 stops18h 02m
Lufthansa
Sun 8/26:00 am
SZG
- STL
2 stops22h 26m
Lufthansa
Deal found 3/20![Lufthansa logo]()
$1,183
This Gotogate deal was found by Cheapflights users on 3/18. 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.
Sat 5/21:05 pm
STL
- SZG
2 stops37h 40m
Multiple Airlines
Sat 5/97:00 pm
SZG
- STL
1 stop25h 25m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$899
This flugladen.de deal was found by Cheapflights users on 3/18. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:05 am
STL
- VIE
1 stop18h 15m
Air Canada
Sat 5/910:30 am
VIE
- STL
1 stop32h 36m
Air Canada
Deal found 3/18![Air Canada logo]()
$990
This United Airlines deal was found by Cheapflights users on 3/19. 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 6/195:41 pm
STL
- VIE
1 stop31h 34m
United Airlines
Fri 6/2610:30 am
VIE
- STL
1 stop32h 51m
United Airlines
Deal found 3/19![United Airlines logo]()
$1,146
This Air Canada deal was found by Cheapflights users on 3/19. 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 6/191:20 pm
STL
- VIE
2 stops16h 00m
Air Canada
Fri 6/2610:30 am
VIE
- STL
2 stops16h 55m
Air Canada
Deal found 3/19![Air Canada logo]()
$1,158
This United Airlines deal was found by Cheapflights users on 3/18. 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.
Thu 6/188:15 pm
STL
- VIE
1 stop29h 00m
United Airlines
Fri 6/2610:30 am
VIE
- STL
1 stop32h 51m
United Airlines
Deal found 3/18![United Airlines logo]()
$1,196
This Air Canada deal was found by Cheapflights users on 3/18. 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.
Thu 7/2312:10 pm
STL
- SZG
2 stops14h 20m
Multiple Airlines
Sun 8/26:00 am
SZG
- STL
2 stops39h 02m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$1,313
This Air Canada deal was found by Cheapflights users on 3/21. 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.
Thu 7/2312:10 pm
STL
- SZG
2 stops14h 20m
Air Canada
Sun 8/22:20 pm
SZG
- STL
2 stops36h 47m
Air Canada
Deal found 3/21![Air Canada logo]()
$1,264
This United Airlines deal was found by Cheapflights users on 3/18. 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.
Sat 5/232:25 pm
STL
- VIE
2 stops46h 10m
United Airlines
Sat 6/610:30 am
VIE
- STL
2 stops32h 41m
United Airlines
Deal found 3/18![United Airlines logo]()
$1,281
This Mytrip deal was found by Cheapflights users on 3/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/22:25 pm
STL
- VIE
3 stops35h 40m
Multiple Airlines
Sat 5/98:00 pm
VIE
- STL
3 stops31h 04m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$1,378
This United Airlines deal was found by Cheapflights users on 3/22. 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.
Fri 6/127:05 am
STL
- VIE
1 stop18h 15m
United Airlines
Sat 6/2010:30 am
VIE
- STL
1 stop32h 51m
United Airlines
Deal found 3/22![United Airlines logo]()
$1,292
This Mytrip deal was found by Cheapflights users on 3/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/42:15 pm
STL
- LNZ
2 stops23h 55m
Multiple Airlines
Mon 5/116:30 pm
LNZ
- STL
3 stops32h 55m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$3,284
Last-minute flights from St. Louis to AustriaDiscover last-minute flight deals from St. Louis to Austria. Data last updated March 22, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Austria. Data last updated March 22, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 3/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/184:05 pm
STL
- VIE
1 stop33h 15m
Air Canada
Sat 4/258:20 pm
VIE
- STL
2 stops26h 05m
Air Canada
Deal found 3/20![Air Canada logo]()
$852
This United Airlines deal was found by Cheapflights users on 3/20. 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.
Sat 4/1811:15 am
STL
- VIE
2 stops18h 05m
United Airlines
Sat 4/2510:30 am
VIE
- STL
2 stops31h 15m
United Airlines
Deal found 3/20![United Airlines logo]()
$863
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/193:30 pm
STL
- VIE
1 stop12h 15m
Lufthansa
Tue 5/57:00 am
VIE
- STL
2 stops19h 27m
Lufthansa
Deal found 3/20![Lufthansa logo]()
$744
This Gotogate deal was found by Cheapflights users on 3/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/194:05 pm
STL
- VIE
2 stops15h 10m
Air Canada
Tue 5/56:00 am
VIE
- STL
2 stops21h 25m
Air Canada
Deal found 3/20![Air Canada logo]()
$764
This Booking.com deal was found by Cheapflights users on 3/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/193:30 pm
STL
- VIE
1 stop14h 05m
Multiple Airlines
Tue 5/511:00 am
VIE
- STL
1 stop16h 25m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$769
This United Airlines deal was found by Cheapflights users on 3/22. 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 4/199:10 am
STL
- VIE
1 stop16h 05m
United Airlines
Sun 4/2610:30 am
VIE
- STL
1 stop14h 41m
United Airlines
Deal found 3/22![United Airlines logo]()
$832
This FlightHub deal was found by Cheapflights users on 3/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/304:05 pm
STL
- VIE
2 stops23h 35m
Air Canada
Tue 5/511:00 am
VIE
- STL
1 stop16h 25m
Air Canada
Deal found 3/21![Air Canada logo]()
$825
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 March 22, 2026.
Search for one-way flight options from St. Louis to Austria. Find affordable one-way fares based on user searches. Data last updated March 22, 2026.
This oojo deal was found by Cheapflights users on 3/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/29:35 pm
STL
- VIE
1 stop29h 40m
British Airways
Deal found 3/20![British Airways logo]()
$362
This United Airlines deal was found by Cheapflights users on 3/20. 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 9/212:30 pm
STL
- VIE
2 stops16h 50m
United Airlines
Deal found 3/20![United Airlines logo]()
$367
This Air Canada deal was found by Cheapflights users on 3/22. 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.
Wed 9/28:55 am
STL
- VIE
2 stops30h 45m
Air Canada
Deal found 3/22![Air Canada logo]()
$370
This American Airlines deal was found by Cheapflights users on 3/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/24:18 pm
STL
- VIE
2 stops19h 02m
American Airlines
Deal found 3/18![American Airlines logo]()
$378
This Expedia deal was found by Cheapflights users on 3/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:46 am
STL
- VIE
2 stops18h 54m
Iberia
Deal found 3/18![Iberia logo]()
$438
This Priceline deal was found by Cheapflights users on 3/18. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:55 am
STL
- VIE
1 stop16h 25m
Air Canada
Deal found 3/18![Air Canada logo]()
$459
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:00 am
STL
- SZG
3 stops29h 50m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$511
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:50 am
STL
- VIE
3 stops29h 15m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$532
This Lufthansa deal was found by Cheapflights users on 3/18. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/153:30 pm
STL
- SZG
1 stop14h 45m
Lufthansa
Deal found 3/18![Lufthansa logo]()
$584
This Thrive Travel deal was found by Cheapflights users on 3/18. 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 Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:37 pm
STL
- VIE
2 stops19h 23m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$2,380
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 March 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $744 (Kiwi.com) |
One-way from | $334 (oojo) |
Popular in | June |
Cheapest in | February |
Average price | $762 |
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 March 22, 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. LouisSalzburg
STL - SZG
STLSZG
Lambert-St Louis
Tue 5/5
7:09 pm-10:35 pm
2 stops20h 26m
Salzburg W.A. Mozart
Tue 5/12
6:00 am-8:25 pm
2 stops21h 25m
$793
St. LouisVienna
STL - VIE
STLVIE
Lambert-St Louis
Sun 4/19
6:30 am-8:10 am
2 stops18h 40m
Vienna Intl
Sun 4/26
10:30 am-9:13 pm
1 stop17h 43m
$836
St. LouisSalzburg
STL - SZG
STLSZG
Lambert-St Louis
Sat 5/2
2:25 pm-9:45 am
2 stops36h 20m
Salzburg W.A. Mozart
Sat 5/9
2:20 pm-8:25 pm
2 stops37h 05m
$895
St. LouisSalzburg
STL - SZG
STLSZG
Lambert-St Louis
Sat 5/2
1:05 pm-9:45 am
2 stops37h 40m
Salzburg W.A. Mozart
Sat 5/9
7:00 pm-1:25 pm
1 stop25h 25m
$899
St. LouisVienna
STL - VIE
STLVIE
Lambert-St Louis
Sat 5/2
7:05 am-8:20 am
1 stop18h 15m
Vienna Intl
Sat 5/9
10:30 am-12:06 pm
1 stop32h 36m
$990
St. LouisVienna
STL - VIE
STLVIE
Lambert-St Louis
Fri 6/19
5:41 pm-8:15 am
1 stop31h 34m
Vienna Intl
Fri 6/26
10:30 am-12:21 pm
1 stop32h 51m
$1,146
Quickest round-trip
St. LouisVienna
STL - VIE
STLVIE
Lambert-St Louis
Fri 6/19
1:20 pm-12:20 pm
2 stops16h 00m
Vienna Intl
Fri 6/26
10:30 am-8:25 pm
2 stops16h 55m
$1,158
St. LouisSalzburg
STL - SZG
STLSZG
Lambert-St Louis
Thu 7/23
12:23 pm-1:25 pm
2 stops18h 02m
Salzburg W.A. Mozart
Sun 8/2
6:00 am-9:26 pm
2 stops22h 26m
$1,183
St. LouisVienna
STL - VIE
STLVIE
Lambert-St Louis
Thu 6/18
8:15 pm-8:15 am
1 stop29h 00m
Vienna Intl
Fri 6/26
10:30 am-12:21 pm
1 stop32h 51m
$1,196
St. LouisSalzburg
STL - SZG
STLSZG
Lambert-St Louis
Thu 7/23
12:10 pm-9:30 am
2 stops14h 20m
Salzburg W.A. Mozart
Sun 8/2
2:20 pm-8:07 pm
2 stops36h 47m
$1,264
Showing 1-10 of 23 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, March is the cheapest month in which you can book a flight from St. Louis to Austria (average of $500). Flying from St. Louis to Austria in June is currently the most expensive (average of $1,101). 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 March 22, 2026.
Read through reviews of airlines operating flights from St. Louis to Austria, such as United Airlines,Air Canada, andLufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.1
Boarding
7.7
Overall
7.4
Crew
8.1
Food
6.6
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Entertainment
7.1
Boarding
7.7
Overall
7.4
Crew
8.1
Food
6.6
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Entertainment
7.1
Boarding
7.7
Overall
7.4
Crew
8.1
Food
6.6
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Entertainment
7.1
Boarding
7.7
Overall
7.4
Crew
8.1
Food
6.6
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Austria. 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 Austria
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Complete your trip
Complete your trip to Austria by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to Austria by cabin class
Find flights from St. Louis to Austria, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Austria flights
Browse other St. Louis and Austria flight options. Last updated on March 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
St. Louis to Austria flights
Consider these flights traveling from St. Louis to Austria.
Top 3 airlines flying from St. Louis to Austria
Discover the top 3 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 March 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$503 | Average$898 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$555 | Average$899 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$645 | Average$1,093 | FlexibilityNo cancel fee | On-time67% |