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$406+ 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 12/27. Fares are subject to change and may not be available on all flights or dates of travel.
STL — VIE
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
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Find flight deals from St. Louis to Austria

Cheapest flights from St. Louis to Austria
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 octubre 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
vie. 11/286:43 pmSTL - VIE
2 stops14h 52mMultiple Airlines
vie. 12/1210:55 amVIE - STL
1 stop13h 08mMultiple Airlines
Deal found 10/30$448
This Mytrip deal was found by Cheapflights users on 10/30. 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.
vie. 11/284:05 pmSTL - VIE
2 stops19h 00mAir Canada
vie. 12/121:55 pmVIE - STL
2 stops32h 34mAir Canada
Deal found 10/30$487
This Air Canada deal was found by Cheapflights users on 10/30. 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.
vie. 11/284:05 pmSTL - VIE
2 stops23h 35mAir Canada
dom. 12/1410:35 amVIE - STL
2 stops36h 05mAir Canada
Deal found 10/30$496
This United Airlines deal was found by Cheapflights users on 10/30. 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.
vie. 11/286:43 pmSTL - VIE
1 stop30h 22mUnited Airlines
vie. 12/1210:35 amVIE - STL
2 stops36h 05mUnited Airlines
Deal found 10/30$498
This United Airlines deal was found by Cheapflights users on 10/30. 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.
jue. 11/271:10 pmSTL - VIE
2 stops35h 50mUnited Airlines
jue. 12/410:35 amVIE - STL
2 stops32h 40mUnited Airlines
Deal found 10/30$502
This Air Canada deal was found by Cheapflights users on 10/30. 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.
jue. 11/274:05 pmSTL - VIE
2 stops33h 35mAir Canada
mar. 12/910:35 amVIE - STL
2 stops37h 28mAir Canada
Deal found 10/30$509
This United Airlines deal was found by Cheapflights users on 10/30. 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.
vie. 11/286:43 pmSTL - VIE
1 stop30h 22mUnited Airlines
mié. 12/1010:55 amVIE - STL
1 stop32h 20mUnited Airlines
Deal found 10/30$514
This United Airlines deal was found by Cheapflights users on 10/30. 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.
jue. 11/271:10 pmSTL - VIE
2 stops35h 50mUnited Airlines
vie. 12/1210:55 amVIE - STL
1 stop32h 20mUnited Airlines
Deal found 10/30$519
This United Airlines deal was found by Cheapflights users on 10/30. 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.
lun. 12/111:05 amSTL - VIE
1 stop14h 00mUnited Airlines
lun. 12/157:00 amVIE - STL
2 stops22h 45mUnited Airlines
Deal found 10/30$520
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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.
mié. 11/1911:37 amSTL - SZG
2 stops15h 13mLufthansa
vie. 11/286:30 amSZG - STL
1 stop14h 25mLufthansa
Deal found 10/29$699
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
jue. 11/136:43 pmSTL - SZG
2 stops16h 07mLufthansa
vie. 11/216:30 amSZG - STL
1 stop14h 25mLufthansa
Deal found 10/29$719
This Gotogate deal was found by Cheapflights users on 10/29. 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.
jue. 11/134:05 pmSTL - SZG
2 stops14h 15mMultiple Airlines
jue. 11/2010:35 amSZG - STL
1 stop34h 20mMultiple Airlines
Deal found 10/29$785

Cheap 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 octubre 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$448
(Kiwi.com)

One-way from

$406
(Mytrip)

Popular in

June

Cheapest in

October

Average price

$719
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 Austria
Search Deals
One-way flight from Lambert-St Louis to Austria
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($201 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 octubre 30, 2025.
Use the filters below to find and compare flights from St. Louis to Austria that are best for you.

Fly from

St. Louis

Fly to

Austria

Route

Depart

Return

Price

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

vie. 11/28

6:43 pm-4:35 pm

2 stops14h 52m

Vienna Intl

vie. 12/12

10:55 am-5:03 pm

1 stop13h 08m

$448

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

lun. 12/1

11:05 am-8:05 am

1 stop14h 00m

Vienna Intl

sáb. 12/13

10:35 am-12:15 pm

2 stops32h 40m

$498

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

vie. 11/28

6:43 pm-8:05 am

1 stop30h 22m

Vienna Intl

sáb. 12/13

10:35 am-12:15 pm

2 stops32h 40m

$498

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

jue. 11/27

1:10 pm-8:00 am

2 stops35h 50m

Vienna Intl

jue. 12/4

10:35 am-12:15 pm

2 stops32h 40m

$502

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

vie. 11/28

5:24 pm-8:05 am

1 stop31h 41m

Vienna Intl

vie. 12/12

10:40 am-11:42 pm

1 stop20h 02m

$504

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

lun. 12/1

11:05 am-8:05 am

1 stop14h 00m

Vienna Intl

vie. 12/12

10:55 am-12:15 pm

1 stop32h 20m

$514

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

lun. 12/1

11:05 am-8:05 am

1 stop14h 00m

Vienna Intl

mié. 12/10

10:55 am-2:23 pm

1 stop34h 28m

$514

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

vie. 11/28

8:25 am-8:00 am

2 stops16h 35m

Vienna Intl

mié. 12/10

10:55 am-12:15 pm

1 stop32h 20m

$519

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

lun. 12/1

11:05 am-8:05 am

1 stop14h 00m

Vienna Intl

mar. 12/9

10:35 am-11:42 pm

2 stops20h 07m

$519

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

jue. 11/27

1:10 pm-8:00 am

2 stops35h 50m

Vienna Intl

vie. 12/12

10:55 am-12:15 pm

1 stop32h 20m

$519

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 21 results
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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.
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

What is the cheapest month to book a flight from St. Louis to Austria?

Currently, November is the cheapest month in which you can book a flight from St. Louis to Austria (average of $600). Flying from St. Louis to Austria in June is currently the most expensive (average of $1,096). 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 AT?

Find hourly flight availability from St. Louis to Austria. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 30, 2025.

A simple way to save on the total cost of your ticket is to fly from St. Louis to Austria in the evening. If you’re flexible enough to do this you can expect to save up to 42% on your trip compared to booking a flight in the morning.

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 octubre 30, 2025.
Read through reviews of airlines operating flights from St. Louis to Austria, such as Austrian Airlines, United Airlines, and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
862 reviews

Comfort

7.3

Boarding

7.6

Food

6.8

Overall

7.6

Entertainment

6.8

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Austrian Airlines
7.6
Good
862 reviews
Austrian Airlines
7.6
Good
862 reviews

Comfort

7.3

Boarding

7.6

Food

6.8

Overall

7.6

Entertainment

6.8

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
United Airlines
7.4
Good
8,998 reviews
Austrian Airlines
7.6
Good
862 reviews

Comfort

7.3

Boarding

7.6

Food

6.8

Overall

7.6

Entertainment

6.8

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Air Canada
7.1
Good
10,381 reviews
Austrian Airlines
7.6
Good
862 reviews

Comfort

7.3

Boarding

7.6

Food

6.8

Overall

7.6

Entertainment

6.8

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Lufthansa
6.8
Okay
7,541 reviews
Austrian Airlines
7.6
Good
862 reviews

Comfort

7.3

Boarding

7.6

Food

6.8

Overall

7.6

Entertainment

6.8

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.

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.

  • What airport do you fly from for flights from St. Louis to Austria?

    Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Austria. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

  • How long is the flight from St. Louis to Austria?

    A quick flight from St. Louis to Austria can take about 14h. United Airlines provides one of the quickest options available for as low as $498. There are 4949 mi between St. Louis and Austria. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from St. Louis to Austria one-way?

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as $406. However, be on the lookout for offers from Lufthansa and United Airlines, as they are both options that can get you from St. Louis to Austria for a low price.

  • What are the most popular routes from St. Louis to Austria?

    When deciding which route to take from St. Louis to Austria consider Lambert-St Louis - Vienna Intl, Lambert-St Louis - Salzburg W.A. Mozart or Lambert-St Louis - Linz Hoersching as they are the most popular.

  • Can I find deals for flights from St. Louis to Austria that include hotel bookings?

    Yes. In addition to deals on St. Louis to Austria flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Austria?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Austria.

  • Can I find deals for business class flights from St. Louis to Austria?

    Yes. Cheapflights offers flight deals from St. Louis to Austria 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 Austria?

    Currently, November is the cheapest month in which you can book a flight from St. Louis to Austria (average of $600). Flying from St. Louis to Austria in June is currently the most expensive (average of $1,096). 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

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Alternative routes for St. Louis to Austria

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from St. Louis to Austria

Discover the top 4 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 octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$615Average$936FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$640Average$985FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$645Average$1,093FlexibilityNo cancel feeOn-time67%
Austrian AirlinesCheapest$1,019Average$1,383FlexibilityNo cancel feeOn-time78%

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