Cheap Flights from St. Louis (STL) to Zürich (ZRH)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Zurich Airport (ZRH)

Find the cheapest month to fly from St. Louis (STL) to Zürich (ZRH)

January is typically the cheapest month to fly

From US$ 548 - US$ 1,637 per traveler.

Graph displaying average flight prices per month

Flights from St. Louis (STL) to Zürich (ZRH)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Zürich
Distance
4678 mi

St. Louis to Zürich Flights

The cheapest times to fly from St. Louis to Zürich

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Zürich are during the month of . You can find some of the cheapest flights from St. Louis to Zürich with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Zürich

Sunday is one of the best days to book for cheap flights from St. Louis to Zürich: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Zürich

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Zürich in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Zürich flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Zürich airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Zurich Airport (ZRH) cost?
Discover the latest flight deals from STL to ZRH by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from STL to ZRH?
The cheapest flights from STL to ZRH are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from STL to ZRH?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from STL to ZRH. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Zurich Airport (ZRH)?
Direct flights from Lambert-St. Louis Intl. Airport (STL) to Zurich Airport (ZRH) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to ZRH?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary depending on a number of factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Zurich Airport (ZRH)?
To avoid possible delays on the Lambert-St. Louis Intl. Airport (STL) to Zurich Airport (ZRH) route, fly before 3 PM. Later departures have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Zurich Airport (ZRH) last-minute?
Booking your flight from STL to ZRH right before your getaway is typically more expensive. But if there's some wiggle room with your departure dates and times, you could snag a cheap last-minute fare.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Zurich Airport (ZRH)?
In most instances, you can cancel or reschedule your STL to ZRH flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like further details, head to our Customer Service portal.

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*Available to One Key members.