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Lausanne

$507+ Cheap flights from St. Louis (STL) to Lausanne, Switzerland

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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — GVA
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from St. Louis to Lausanne

Keep the following information in mind while searching for St. Louis to Lausanne flight deals. Data was last updated August 20, 2025.

Round-trip from

$650
(United Airlines)

One-way from

$507
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$701
From Lambert-St Louis to Lausanne
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One-way flight from Lambert-St Louis to Lausanne
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Highest demand for flights based on searches. 16% potential increase in price ($213 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from St. Louis to Lausanne

Cheapest flights from St. Louis to Lausanne
Explore the most affordable flight options available from St. Louis to Lausanne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This United Airlines deal was found by Cheapflights users on 8/18. 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.
Wed 9/171:10 pmSTL - GVA
1 stop11h 30mUnited Airlines
Wed 9/246:10 amGVA - STL
2 stops20h 47mUnited Airlines
Deal found 8/18$742
This Booking.com deal was found by Cheapflights users on 8/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/216:30 amSTL - GVA
2 stops20h 30mMultiple Airlines
Thu 11/276:50 amGVA - STL
2 stops41h 49mMultiple Airlines
Deal found 8/19$743
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Fri 11/2111:49 amSTL - GVA
1 stop12h 36mUnited Airlines
Thu 11/2711:20 amGVA - STL
1 stop29h 47mUnited Airlines
Deal found 8/19$745
This Scandinavian Airlines deal was found by Cheapflights users on 8/20. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/41:21 pmSTL - GVA
2 stops23h 09mScandinavian Airlines
Mon 9/158:10 pmGVA - STL
2 stops32h 50mScandinavian Airlines
Deal found 8/20$757
This Gotogate deal was found by Cheapflights users on 8/19. 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.
Fri 10/39:15 amSTL - GVA
2 stops17h 40mMultiple Airlines
Fri 10/107:15 amGVA - STL
1 stop13h 15mMultiple Airlines
Deal found 8/19$798
This Gurufare deal was found by Cheapflights users on 8/19. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:39 amSTL - GVA
1 stop12h 51mLufthansa
Fri 10/106:10 amGVA - STL
1 stop14h 20mLufthansa
Deal found 8/19$799
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Fri 10/31:30 pmSTL - GVA
2 stops15h 05mUnited Airlines
Fri 10/109:20 amGVA - STL
2 stops19h 40mUnited Airlines
Deal found 8/19$803
This United deal was found by Cheapflights users on 8/18. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:00 amSTL - GVA
1 stop18h 30mMultiple Airlines
Wed 9/2412:40 pmGVA - STL
1 stop14h 17mMultiple Airlines
Deal found 8/18$830
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Thu 9/41:30 pmSTL - GVA
1 stop13h 25mUnited Airlines
Mon 9/159:20 amGVA - STL
1 stop14h 20mUnited Airlines
Deal found 8/20$863

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Lausanne 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 August 20, 2025.
Use the filters below to find and compare flights from St. Louis to Lausanne that are best for you.

Fly from

St. Louis

Fly to

Lausanne

Route

Depart

Return

Price

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

Wed 9/17

1:10 pm-7:40 am

1 stop11h 30m

Geneva Geneve-Cointrin

Wed 9/24

6:10 am-7:57 pm

2 stops20h 47m

$742

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

Thu 9/4

1:21 pm-7:30 pm

2 stops23h 09m

Geneva Geneve-Cointrin

Mon 9/15

8:10 pm-10:00 pm

2 stops32h 50m

$757

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

Fri 10/3

9:15 am-9:55 am

2 stops17h 40m

Geneva Geneve-Cointrin

Fri 10/10

7:15 am-1:30 pm

1 stop13h 15m

$798

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

Fri 10/3

11:39 am-7:30 am

1 stop12h 51m

Geneva Geneve-Cointrin

Fri 10/10

6:10 am-1:30 pm

1 stop14h 20m

$799

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

Fri 10/3

1:30 pm-11:35 am

2 stops15h 05m

Geneva Geneve-Cointrin

Fri 10/10

9:20 am-10:00 pm

2 stops19h 40m

$803

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

Wed 9/17

6:00 am-7:30 am

1 stop18h 30m

Geneva Geneve-Cointrin

Wed 9/24

12:40 pm-7:57 pm

1 stop14h 17m

$830

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

Thu 9/4

1:30 pm-9:55 am

1 stop13h 25m

Geneva Geneve-Cointrin

Mon 9/15

9:20 am-4:40 pm

1 stop14h 20m

$863

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

Tue 8/26

1:30 pm-9:55 am

1 stop13h 25m

Geneva Geneve-Cointrin

Fri 9/5

12:40 pm-10:40 am

2 stops29h 00m

$1,162

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

Mon 8/25

5:30 pm-1:45 pm

2 stops37h 15m

Geneva Geneve-Cointrin

Thu 9/4

10:20 am-2:19 pm

2 stops34h 59m

$1,164

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

Fri 9/12

9:35 pm-10:50 am

3 stops54h 15m

$507

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 19 results
1
2

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

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

What is the cheapest time of day to fly from STL to LS9?

Find hourly flight availability from St. Louis to Lausanne. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 20, 2025.

When flying from St. Louis to Lausanne, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Lausanne

Get insights into the airlines that provide service to Lausanne. 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 Lausanne. Reviews last updated August 20, 2025.
Peruse reviews from past customers who have flown with United Airlines and Air Canada from St. Louis to Lausanne to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,928 reviews

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,928 reviews
United Airlines
7.4
Good
8,928 reviews

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
10,000 reviews
United Airlines
7.4
Good
8,928 reviews

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Lausanne. 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 Lausanne?

    For a flight from St. Louis to Lausanne, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city. Lambert-St Louis is the only St. Louis airport and it handles 0 outbound flights to Lausanne per day. 2 airlines have flights to Lausanne from Lambert-St Louis on a regular basis.

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

    There are many flights that can get you from St. Louis to Lausanne in 11h 30m. Fly via United Airlines, Scandinavian Airlines, or Lufthansa to get the fastest option. Airlines will cover a distance of 4624 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    One-way options have recently been found by users for as low as $513 on Air Canada. Other airlines that offer cheap prices include Delta from $518 and United Airlines from $551 one-way.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from St. Louis to Lausanne (average of $676). Flying from St. Louis to Lausanne in June is currently the most expensive (average of $1,132). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from St. Louis to Lausanne

Discover the top 2 airlines that operate flights from St. Louis to Lausanne. 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$690Average$1,373FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$701Average$1,148FlexibilityNo cancel feeOn-time69%

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