What are the cheapest airlines flying from St. Louis to Zurich round-trip?

Flying on United Airlines is currently your cheapest option to Zurich, with prices starting at $601. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $606 and $951, respectively. You may be able to fly from St. Louis to Zurich for 41% less than the average price by searching for these airlines.

What is the cheapest day to fly from St. Louis to Zurich?

Travelers seeking maximum savings on their St. Louis to Zurich flight should consider departing on Friday at noon when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from St. Louis to Zurich?

Before booking your flight from St. Louis to Zurich check out the most popular airlines for this route: American Airlines, Air Canada or Delta.

What is the cheapest day to fly round-trip from St. Louis to Zurich?

Tuesday is generally a great day to depart. Flying on this day could help you save up to 32%.

How far in advance should I book a flight from St. Louis to Zurich?

Find a great deal and save up to 34% by booking at least 60 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from St. Louis to Zurich within the next two weeks, with the cheapest ticket starting at $856.

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

Flights from St. Louis to Zurich lean towards being more expensive in June. Prices are generally better when you fly from St. Louis to Zurich in November, with the cheapest ticket starting at $560.

Most accurate provider : When it comes to deals on St. Louis-Zurich flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on St. Louis-Zurich flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from St. Louis-Zurich flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on St. Louis-Zurich flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Zurich flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

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

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

Yes. Cheapflights offers flight deals from St. Louis to Zurich by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$586+ Flights from St. Louis to Zurich

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Cheapflights Tip: The best prices from Lambert-St Louis to Zurich are usually found in November or March, booked 70 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from St. Louis to Zurich

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$601 (United Airlines)
Popular in	June
Cheapest in	November
Average price	$1,356

Provider with most accurate pricing for Lambert-St Louis-Zurich flight deals.

Search Deals

Provider most trusted by Cheapflights users for Lambert-St Louis-Zurich flights.

Search Deals

From Lambert-St Louis to Zurich

Search Deals

Highest demand for flights based on searches. 22% potential increase in price ($299 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2025

Search Deals

Find flight deals from St. Louis to Zurich

Cheapest flights from St. Louis to Zurich
Explore the most affordable flight options available from St. Louis to Zurich. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 23, 2025.

Mon 12/14:15 pmSTL - ZRH

1 stop11h 10mUnited Airlines

Sat 12/131:20 pmZRH - STL

2 stops31h 58mUnited Airlines

Deal found 5/21

$586

Tue 10/79:15 amSTL - ZRH

1 stop14h 10mAir Canada

Tue 10/2812:45 pmZRH - STL

2 stops29h 35mAir Canada

Deal found 5/22

$600

Thu 8/216:00 amSTL - ZRH

1 stop19h 50mAmerican Airlines

Tue 8/2611:45 amZRH - STL

2 stops18h 29mAmerican Airlines

Deal found 5/22

$606

Sun 9/710:25 amSTL - ZRH

2 stops17h 10mDelta

Thu 9/181:35 pmZRH - STL

2 stops28h 05mDelta

Deal found 5/22

$626

Sun 9/73:30 pmSTL - ZRH

1 stop11h 55mMultiple Airlines

Thu 9/1812:40 pmZRH - STL

1 stop14h 17mMultiple Airlines

Deal found 5/22

$630

Mon 9/221:30 pmSTL - ZRH

2 stops17h 40mScandinavian Airlines

Tue 9/3010:20 amZRH - STL

2 stops20h 19mScandinavian Airlines

Deal found 5/22

$633

Wed 9/311:27 amSTL - ZRH

2 stops15h 18mAustrian Airlines

Mon 9/158:50 pmZRH - STL

2 stops29h 49mAustrian Airlines

Deal found 5/22

$1,587

Wed 9/312:35 pmSTL - ZRH

2 stops14h 25mLufthansa

Mon 9/159:50 amZRH - STL

1 stop12h 54mLufthansa

Deal found 5/22

$1,696

Mon 9/18:00 pmSTL - ZRH

2 stops15h 00mBritish Airways

Sat 9/67:15 amZRH - STL

2 stops18h 06mBritish Airways

Deal found 5/22

$2,428

Mon 9/15:30 pmSTL - ZRH

2 stops41h 10mTurkish Airlines

Sat 9/61:40 pmZRH - STL

2 stops31h 39mTurkish Airlines

Deal found 5/22

$4,548

Best flights from St. Louis to Zurich
Discover carefully curated flight deals from St. Louis to Zurich that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 23, 2025.

Thu 8/2112:35 pmSTL - ZRH

1 stop12h 10mUnited Airlines

Tue 8/269:50 amZRH - STL

1 stop15h 02mUnited Airlines

Deal found 5/22

$601

Thu 8/216:00 amSTL - ZRH

1 stop19h 50mAmerican Airlines

Tue 8/2611:45 amZRH - STL

2 stops18h 29mAmerican Airlines

Deal found 5/22

$606

Fri 7/46:00 amSTL - ZRH

1 stop19h 05mDelta

Fri 7/1110:10 amZRH - STL

1 stop14h 56mDelta

Deal found 5/22

$951

Sun 7/66:33 amSTL - ZRH

2 stops16h 37mAir Canada

Sun 7/132:40 pmZRH - STL

2 stops36h 00mAir Canada

Deal found 5/22

$964

Sun 7/66:36 pmSTL - ZRH

2 stops35h 29mMultiple Airlines

Sun 7/1310:30 amZRH - STL

3 stops30h 22mMultiple Airlines

Deal found 5/22

$1,068

Wed 6/1111:30 amSTL - ZRH

2 stops15h 15mAustrian Airlines

Sat 6/218:50 amZRH - STL

2 stops19h 36mAustrian Airlines

Deal found 5/22

$2,293

Sun 6/11:09 pmSTL - ZRH

2 stops23h 36mScandinavian Airlines

Sun 6/87:00 amZRH - STL

3 stops21h 34mScandinavian Airlines

Deal found 5/22

$2,405

Tue 7/225:31 pmSTL - ZRH

2 stops19h 34mLufthansa

Sat 8/29:30 amZRH - STL

2 stops20h 15mLufthansa

Deal found 5/22

$3,150

Wed 6/117:47 pmSTL - ZRH

2 stops17h 03mBritish Airways

Wed 6/1810:15 amZRH - STL

2 stops16h 02mBritish Airways

Deal found 5/22

$8,040

Last-minute flights from St. Louis to Zurich
Discover last-minute flight deals from St. Louis to Zurich. Data last updated May 23, 2025 and is based on user searches.

Sun 6/15:00 amSTL - ZRH

1 stop18h 10mUnited Airlines

Sun 6/81:25 pmZRH - STL

1 stop30h 11mUnited Airlines

Deal found 5/22

$1,334

Sun 6/17:30 amSTL - ZRH

2 stops15h 40mAir Canada

Sun 6/81:25 pmZRH - STL

2 stops37h 33mAir Canada

Deal found 5/22

$1,336

Sun 6/11:09 pmSTL - ZRH

2 stops23h 36mScandinavian Airlines

Sun 6/87:00 amZRH - STL

3 stops21h 34mScandinavian Airlines

Deal found 5/22

$2,405

Wed 6/410:05 amSTL - ZRH

1 stop15h 00mDelta

Mon 6/97:45 amZRH - STL

2 stops22h 37mDelta

Deal found 5/22

$980

Wed 6/1111:30 amSTL - ZRH

2 stops15h 15mAustrian Airlines

Sat 6/218:50 amZRH - STL

2 stops19h 36mAustrian Airlines

Deal found 5/22

$2,293

Wed 6/117:47 pmSTL - ZRH

2 stops17h 03mBritish Airways

Wed 6/1810:15 amZRH - STL

2 stops16h 02mBritish Airways

Deal found 5/22

$8,040

Wed 6/187:30 amSTL - ZRH

1 stop19h 40mUnited Airlines

Wed 6/251:25 pmZRH - STL

2 stops30h 02mUnited Airlines

Deal found 5/22

$1,076

Wed 6/187:30 amSTL - ZRH

1 stop19h 40mAir Canada

Wed 6/2512:40 pmZRH - STL

1 stop14h 18mAir Canada

Deal found 5/22

$1,083

Wed 6/181:30 pmSTL - ZRH

2 stops15h 10mMultiple Airlines

Wed 6/2512:40 pmZRH - STL

2 stops30h 56mMultiple Airlines

Deal found 5/22

$1,086

One-way flights from St. Louis to Zurich
Search for one-way flight options from St. Louis to Zurich. Find affordable one-way fares based on user searches. Data last updated May 23, 2025.

Thu 6/268:00 amSTL - ZRH

2 stops17h 05mUnited Airlines

Deal found 5/22

$878

Tue 6/36:18 pmSTL - ZRH

3 stops32h 22mMultiple Airlines

Deal found 5/22

$1,681

Tue 6/31:00 pmSTL - ZRH

1 stop12h 05mLufthansa

Deal found 5/22

$3,774

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Zurich that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Thu 8/21

12:35 pm-7:45 am

1 stop12h 10m

Zurich

Tue 8/26

9:50 am-5:52 pm

1 stop15h 02m

$601

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Thu 8/21

6:00 am-8:50 am

1 stop19h 50m

Zurich

Tue 8/26

11:45 am-11:14 pm

2 stops18h 29m

$606

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Fri 7/4

6:00 am-8:05 am

1 stop19h 05m

Zurich

Fri 7/11

10:10 am-6:06 pm

1 stop14h 56m

$951

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Sun 7/6

6:33 am-6:10 am

2 stops16h 37m

Zurich

Sun 7/13

2:40 pm-7:40 pm

2 stops36h 00m

$964

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Sun 7/6

6:36 pm-1:05 pm

2 stops35h 29m

Zurich

Sun 7/13

10:30 am-9:52 am

3 stops30h 22m

$1,068

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Wed 6/11

11:30 am-9:45 am

2 stops15h 15m

Zurich

Sat 6/21

8:50 am-9:26 pm

2 stops19h 36m

$2,293

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Sun 6/1

1:09 pm-7:45 pm

2 stops23h 36m

Zurich

Sun 6/8

7:00 am-9:34 pm

3 stops21h 34m

$2,405

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Tue 7/22

5:31 pm-8:05 pm

2 stops19h 34m

Zurich

Sat 8/2

9:30 am-10:45 pm

2 stops20h 15m

$3,150

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Wed 6/11

7:47 pm-7:50 pm

2 stops17h 03m

Zurich

Wed 6/18

10:15 am-7:17 pm

2 stops16h 02m

$8,040

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Thu 6/26

8:00 am-8:05 am

2 stops17h 05m

$878

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/22

Showing 1-10 of 12 results

Compare providers for flights from St. Louis to Zurich

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Zurich in May.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on St. Louis-Zurich flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on St. Louis-Zurich flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from St. Louis-Zurich flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on St. Louis-Zurich flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Zurich flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Zurich

Have a flexible travel schedule? Discover the best time to fly to Zurich 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 Zurich

How far ahead should I book a flight from St. Louis to Zurich?

The price you pay for your flight from St. Louis to Zurich may vary depending on when you book. For the best chance of a lower fare, look to book 70 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from St. Louis to Zurich (average of $637). Flying from St. Louis to Zurich in June is currently the most expensive (average of $1,222). 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 ZRH?

When flying from St. Louis to Zurich, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 17% versus a flight in the evening.

Rainfall in Zurich by month

In terms of precipitation, rainfall in Zurich ranges from 2.5 - 5.0 inches per month. June is typically the wettest month, when rainfall can reach 5.0 in. January is typically the driest time to visit Zurich when rainfall is around 2.5 in.

Temperature in Zurich by month

If weather is an important factor for your trip to Zurich, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Zurich

Get a feel of what it's like to fly with Delta, Austrian Airlines and United Airlines from St. Louis to Zurich by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,950 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Austrian Airlines

7.6

Good

792 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,745 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Scandinavian Airlines

7.3

Good

1,369 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from St. Louis to Zurich round-trip?
Flying on United Airlines is currently your cheapest option to Zurich, with prices starting at $601. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $606 and $951, respectively. You may be able to fly from St. Louis to Zurich for 41% less than the average price by searching for these airlines.
Can I find deals for flights from St. Louis to Zurich that include hotel bookings?
Yes. In addition to deals on St. Louis to Zurich flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Zurich?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Zurich.
Can I find deals for business class flights from St. Louis to Zurich?
Yes. Cheapflights offers flight deals from St. Louis to Zurich 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 Zurich?
Currently, November is the cheapest month in which you can book a flight from St. Louis to Zurich (average of $637). Flying from St. Louis to Zurich in June is currently the most expensive (average of $1,222). 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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Top 5 airlines flying from St. Louis to Zurich

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$618	Average$1,123	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$649	Average$1,112	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$658	Average$1,073	FlexibilityNo cancel fee	On-time76%
Delta	Cheapest$665	Average$1,042	FlexibilityNo cancel fee	On-timeN/A
Air Canada	Cheapest$816	Average$1,231	FlexibilityNo cancel fee	On-time67%

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$586+ Cheap flights from St. Louis (STL) to Zurich (ZRH)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Zurich with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Lambert-St Louis to Zurich are usually found in November or March, booked 70 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from St. Louis to Zurich

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to Zurich

Cheapest flights from St. Louis to ZurichExplore the most affordable flight options available from St. Louis to Zurich. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 23, 2025.

Explore the most affordable flight options available from St. Louis to Zurich. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 23, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Zurich that are best for you.

Compare providers for flights from St. Louis to Zurich

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Zurich in May.

Best time to book a flight from St. Louis to Zurich

Have a flexible travel schedule? Discover the best time to fly to Zurich from St. Louis with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Zurich

How far ahead should I book a flight from St. Louis to Zurich?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Zurich. Price data was last updated on May 16, 2025.

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

What is the cheapest time of day to fly from STL to ZRH?

Find hourly flight availability from St. Louis to Zurich. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 23, 2025.

Rainfall in Zurich by month

Plan your trip to Zurich by taking into account the average rainfall totals by month.

Temperature in Zurich by month

Plan your trip to Zurich by taking into account the average temperature totals by month.

Reviews of airlines servicing Zurich

Get insights into the airlines that provide service to Zurich. 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 Zurich. Reviews last updated May 23, 2025.

Get a feel of what it's like to fly with Delta, Austrian Airlines and United Airlines from St. Louis to Zurich by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Zurich. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from St. Louis to Zurich round-trip?

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

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

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

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

Traveling to a place near St. Louis?

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Alternative routes for St. Louis to Zurich

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from St. Louis to Zurich

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Cheapest flights from St. Louis to Zurich
Explore the most affordable flight options available from St. Louis to Zurich. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 23, 2025.