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Cheap flights from Austria to St. Louis from $452

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Austria to St. Louis departing on 9/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Austria to St. Louis

Recent round-trip flight deals from Austria to St. Louis

Enter your travel dates to find the best prices.
Lufthansa Logo
6:00 am - 1:25 pmVIE  Vienna Intl-STL Lambert-St Louis
14h 25m1 stop Frankfurt am Main
Lufthansa Logo
3:30 pm - 12:35 pmSTL  Lambert-St Louis-VIE Vienna Intl
14h 05m1 stop Frankfurt am Main
$916Lufthansa
Mon, Aug 24 - Sun, Aug 30
Scandinavian Airlines Logo
8:00 pm - 11:42 pmVIE  Vienna Intl-STL Lambert-St Louis
34h 42m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
2:25 pm - 7:20 pmSTL  Lambert-St Louis-VIE Vienna Intl
21h 55m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
$923Scandinavian Airlines
Thu, Oct 1 - Fri, Oct 16
Iberia Logo
7:00 am - 11:43 pmVIE  Vienna Intl-STL Lambert-St Louis
23h 43m2 stops Madrid Barajas Dallas/Fort Worth
Iberia Logo
11:31 am - 3:00 pmSTL  Lambert-St Louis-VIE Vienna Intl
20h 29m2 stops Chicago O'Hare Intl Madrid Barajas
$928Iberia
Wed, Sep 30 - Thu, Oct 22
Air Canada Logo
6:00 am - 6:41 pmVIE  Vienna Intl-STL Lambert-St Louis
19h 41m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
12:10 pm - 9:10 amSTL  Lambert-St Louis-VIE Vienna Intl
38h 00m2 stops Montreal Pierre Elliott Trudeau Intl London Heathrow
$933Air Canada
Mon, Sep 21 - Sun, Sep 27
Air Canada Logo
9:45 am - 8:24 pmVIE  Vienna Intl-STL Lambert-St Louis
17h 39m2 stops Václav Havel Prague Toronto Pearson Intl
Air Canada Logo
8:55 am - 8:20 amSTL  Lambert-St Louis-VIE Vienna Intl
16h 25m1 stop Toronto Pearson Intl
$935Air Canada
Mon, Aug 24 - Sun, Aug 30
Multiple Airlines Logo
8:00 am - 1:25 pmVIE  Vienna Intl-STL Lambert-St Louis
12h 25m1 stop Frankfurt am Main
Multiple Airlines Logo
12:10 pm - 9:45 amSTL  Lambert-St Louis-VIE Vienna Intl
14h 35m2 stops Montreal Pierre Elliott Trudeau Intl Frankfurt am Main
$937Multiple Airlines
Wed, Sep 30 - Wed, Oct 7
Multiple Airlines Logo
6:00 am - 6:41 pmVIE  Vienna Intl-STL Lambert-St Louis
19h 41m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
3:30 pm - 2:15 pmSTL  Lambert-St Louis-VIE Vienna Intl
15h 45m1 stop Frankfurt am Main
$940Multiple Airlines
Mon, Sep 21 - Sun, Sep 27
Multiple Airlines Logo
7:00 am - 6:41 pmVIE  Vienna Intl-STL Lambert-St Louis
18h 41m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
12:10 pm - 8:35 amSTL  Lambert-St Louis-VIE Vienna Intl
13h 25m1 stop Montreal Pierre Elliott Trudeau Intl
$942Multiple Airlines
Wed, Sep 30 - Thu, Oct 22
Air Canada Logo
6:00 am - 6:41 pmVIE  Vienna Intl-STL Lambert-St Louis
19h 41m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
12:10 pm - 2:15 pmSTL  Lambert-St Louis-VIE Vienna Intl
19h 05m2 stops Montreal Pierre Elliott Trudeau Intl Frankfurt am Main
$942Air Canada
Wed, Sep 30 - Wed, Oct 7
Multiple Airlines Logo
7:00 am - 8:00 pmVIE  Vienna Intl-STL Lambert-St Louis
20h 00m2 stops Frankfurt am Main Toronto Pearson Intl
Multiple Airlines Logo
3:30 pm - 10:45 amSTL  Lambert-St Louis-VIE Vienna Intl
12h 15m1 stop Frankfurt am Main
$943Multiple Airlines
Thu, Oct 1 - Fri, Oct 16

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Scandinavian Airlines flights from Austria to St. Louis

Our best Scandinavian Airlines deals on Austria to St. Louis flight tickets
Scandinavian Airlines
Oct 1
VIE8:00 pmVienna Intl
34h 42m
2 stops
STL11:42 pmLambert-St Louis
Oct 16
STL2:25 pmLambert-St Louis
21h 55m
2 stops
VIE7:20 pmVienna Intl
$923
Scandinavian Airlines
Aug 24
VIE10:15 amVienna Intl
20h 43m
2 stops
STL11:58 pmLambert-St Louis
Aug 30
STL3:39 pmLambert-St Louis
23h 41m
3 stops
VIE10:20 pmVienna Intl
$1,404
Scandinavian Airlines
Aug 24
VIE10:15 amVienna Intl
20h 43m
2 stops
STL11:58 pmLambert-St Louis
Aug 30
STL3:39 pmLambert-St Louis
23h 41m
3 stops
VIE10:20 pmVienna Intl
$1,406

Air Canada flights from Austria to St. Louis

Our best Air Canada deals on Austria to St. Louis flight tickets
Air Canada
Sep 21
VIE6:00 amVienna Intl
19h 41m
2 stops
STL6:41 pmLambert-St Louis
Sep 27
STL12:10 pmLambert-St Louis
38h 00m
2 stops
VIE9:10 amVienna Intl
$933
Air Canada
Aug 24
VIE9:45 amVienna Intl
17h 39m
2 stops
STL8:24 pmLambert-St Louis
Aug 30
STL8:55 amLambert-St Louis
16h 25m
1 stop
VIE8:20 amVienna Intl
$935
Air Canada
Aug 24
VIE6:00 amVienna Intl
21h 24m
2 stops
STL8:24 pmLambert-St Louis
Aug 30
STL8:55 amLambert-St Louis
16h 25m
1 stop
VIE8:20 amVienna Intl
$953

momondo Fare Finder

 
Customize your flight search to find flights from Austria to St. Louis 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, momondo users made 832,500 searches. Data last updated August 5, 2026.
Use the filters below to find and compare flights from Austria to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ViennaSt. Louis

VIE Vienna Intl - STL Lambert-St Louis

VIESTL

Vienna Intl

Mon 8/24

6:00 am-1:25 pm

1 stop14h 25m

Lambert-St Louis

Sun 8/30

3:30 pm-12:35 pm

1 stop14h 05m

$916

ViennaSt. Louis

VIE Vienna Intl - STL Lambert-St Louis

VIESTL

Vienna Intl

Thu 10/1

8:00 pm-11:42 pm

2 stops34h 42m

Lambert-St Louis

Fri 10/16

2:25 pm-7:20 pm

2 stops21h 55m

$923

ViennaSt. Louis

VIE Vienna Intl - STL Lambert-St Louis

VIESTL

Vienna Intl

Wed 9/30

7:00 am-11:43 pm

2 stops23h 43m

Lambert-St Louis

Thu 10/22

11:31 am-3:00 pm

2 stops20h 29m

$928

ViennaSt. Louis

VIE Vienna Intl - STL Lambert-St Louis

VIESTL

Vienna Intl

Mon 9/21

6:00 am-6:41 pm

2 stops19h 41m

Lambert-St Louis

Sun 9/27

12:10 pm-9:10 am

2 stops38h 00m

$933

ViennaSt. Louis

VIE Vienna Intl - STL Lambert-St Louis

VIESTL

Vienna Intl

Mon 8/24

9:45 am-8:24 pm

2 stops17h 39m

Lambert-St Louis

Sun 8/30

8:55 am-8:20 am

1 stop16h 25m

$935
Quickest round-trip

ViennaSt. Louis

VIE Vienna Intl - STL Lambert-St Louis

VIESTL

Vienna Intl

Wed 9/30

8:00 am-1:25 pm

1 stop12h 25m

Lambert-St Louis

Wed 10/7

12:10 pm-9:45 am

2 stops14h 35m

$937

ViennaSt. Louis

VIE Vienna Intl - STL Lambert-St Louis

VIESTL

Vienna Intl

Mon 9/21

6:00 am-6:41 pm

2 stops19h 41m

Lambert-St Louis

Sun 9/27

3:30 pm-2:15 pm

1 stop15h 45m

$940

ViennaSt. Louis

VIE Vienna Intl - STL Lambert-St Louis

VIESTL

Vienna Intl

Wed 9/30

7:00 am-6:41 pm

2 stops18h 41m

Lambert-St Louis

Thu 10/22

12:10 pm-8:35 am

1 stop13h 25m

$942

ViennaSt. Louis

VIE Vienna Intl - STL Lambert-St Louis

VIESTL

Vienna Intl

Wed 9/30

6:00 am-6:41 pm

2 stops19h 41m

Lambert-St Louis

Wed 10/7

12:10 pm-2:15 pm

2 stops19h 05m

$942

ViennaSt. Louis

VIE Vienna Intl - STL Lambert-St Louis

VIESTL

Vienna Intl

Thu 10/1

7:00 am-8:00 pm

2 stops20h 00m

Lambert-St Louis

Fri 10/16

3:30 pm-10:45 am

1 stop12h 15m

$943

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Austria to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to St. Louis?

In general, October is the cheapest month to fly from Austria to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. The month of February is another great option to travel to St. Louis, with average flight prices from Austria averaging around $719.

Can stopping save me money on Austria to St. Louis flights?

You could potentially save up to 24% on your flight if you consider stops on a Austria to St. Louis flight.

Cheap Austria to St. Louis flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Austria to St. Louis

Fastest flight time

12h 25m

Direct flights

None
The fastest flight from Austria to St. Louis takes 12h 25m
There are no direct flights from Austria to St. Louis. There are no popular flight routes from Austria to St. Louis.
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Frequently asked questions about flying from Austria to St. Louis

  • When did momondo last update prices for flights from Austria to Lambert-St Louis Airport?

    Prices for flights from Austria to Lambert-St Louis Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Austria to Lambert-St Louis Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Austria to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Hermann
St. Peters
Maryland Heights
Florissant
Collinsville
Alton
O'Fallon
Clayton
Farmington
Fenton
Wentzville
Festus
Eureka
Edwardsville
Litchfield
Grafton
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Austria to St. Louis?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Austria to St. Louis. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Austria to St. Louis with flexible booking policies on momondo?

Flights from Austria to St. Louis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Austria to St. Louis?

Once you have performed a search for Austria to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Austria to St. Louis right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Austria to St. Louis now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to St. Louis and let you know when they change.

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