Cheap flights from St. Louis to Vienna from $324
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Vienna departing on 7/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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United Airlines flights from St. Louis to Vienna
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Lufthansa flights from St. Louis to Vienna
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How to get the cheapest flight ticket from St. Louis to Vienna
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 typical price of a round-trip flight between St. Louis and Vienna?
What is the cheapest month to fly to Vienna?
In general, February is the cheapest month to fly from St. Louis to Vienna. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $638. If you aren’t able to travel to Vienna during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $799.
What is the cheapest day to depart on your flight to Vienna?
On average, the least expensive day to fly to Vienna from St. Louis is on a Monday. momondo users have found tickets for Monday departures for as low as $813. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from St. Louis because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,290.
What is the cheapest airline that flies from Lambert-St Louis to Vienna Intl?
United Airlines, Air Canada, and Lufthansa are the most popular carriers operating from Lambert-St Louis to Vienna Intl
What airlines fly to Vienna?
United Airlines, Air Canada and Lufthansa are the top three most popular airlines that fly to Vienna from St. Louis according to our data. United Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Vienna. Keep in mind that there are 4 different airlines that fly to Vienna on a routine basis, so you have a few additional options to choose from.
When to book flights from St. Louis to Vienna
Cheap St. Louis to Vienna (STL to VIE) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Vienna
How far is Lambert-St Louis to Vienna Intl by plane?
Lambert-St Louis and Vienna Intl are 4938.1 mi apart from one another. A reasonable flight in good conditions will take 11h 55m.
When did momondo last update prices for flights from Lambert-St Louis Airport to Vienna Intl Airport?
Prices for flights from Lambert-St Louis Airport to Vienna Intl Airport are updated daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to Vienna Intl Airport?
As of June 2025, there are 4 operators available to choose from for flights from Lambert-St Louis Airport to Vienna Intl Airport.
How old do you have to be to fly from Lambert-St Louis Airport to Vienna Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Vienna Intl Airport.
What documentation or ID do you need to fly to Vienna Intl Airport?
The required travel and health documents for your Vienna Intl 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 Vienna Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from St. Louis to Vienna?
Based on momondo bookings for flights between St. Louis and Vienna, the leading airline is United Airlines, making up 45% of the total bookings. Other popular airlines include Air Canada with 25%, Lufthansa with 20%, and Austrian Airlines with 10%.
Best airlines flying from St. Louis to Vienna
Compare and see reviews for airlines that fly from St. Louis to Vienna with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $611 | Free Cancellation | Rating 7.6 804 reviews | |||
| PriceFrom $645 | Free Cancellation | Rating 7.1 9,554 reviews | |||
| PriceFrom $672 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom $674 | Free Cancellation | Rating 6.8 7,149 reviews |
Traveling to a place near Vienna?
Book flights to Vienna if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from St. Louis to Vienna?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Vienna from St. Louis.
Can I find flights from St. Louis to Vienna with flexible booking policies on momondo?
Yes. All flights to Vienna from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from St. Louis to Vienna?
momondo helps you find the best flight between St. Louis and Vienna by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from St. Louis to Vienna right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Vienna from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.