HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lausanne

$606+ Cheap flights from St. Louis (STL) to Lausanne, Switzerland

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — GVA
abr. 22 — abr. 291
mar. 4/22
mar. 4/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Lausanne with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 abril 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$606
(Air Canada)

Popular in

June

Cheapest in

February
Provider with most accurate pricing for Lambert-St Louis-Geneva Geneve-Cointrin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Geneva Geneve-Cointrin flights.
Search Deals
From Lambert-St Louis to Lausanne
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($197 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Search Deals

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 abril 17, 2025.

This Air Canada deal was found by Cheapflights users on 4/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/51:30 pmSTL - GVA
2 stops14h 10mAir Canada
mar. 8/1912:40 pmGVA - STL
2 stops33h 41mAir Canada
Deal found 4/16$606
This United Airlines deal was found by Cheapflights users on 4/17. 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.
mar. 8/51:30 pmSTL - GVA
1 stop13h 25mUnited Airlines
mar. 8/1911:00 amGVA - STL
1 stop29h 48mUnited Airlines
Deal found 4/17$640
This oojo deal was found by Cheapflights users on 4/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/157:38 pmSTL - GVA
2 stops20h 32mBritish Airways
mié. 7/237:25 amGVA - STL
2 stops19h 58mBritish Airways
Deal found 4/15$904
This Scandinavian Airlines deal was found by Cheapflights users on 4/16. 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.
lun. 8/253:30 pmSTL - GVA
3 stops23h 25mScandinavian Airlines
jue. 9/47:15 amGVA - STL
3 stops23h 24mScandinavian Airlines
Deal found 4/16$929
This American Airlines deal was found by Cheapflights users on 4/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/251:22 pmSTL - GVA
2 stops15h 23mAmerican Airlines
sáb. 8/27:20 amGVA - STL
2 stops16h 51mAmerican Airlines
Deal found 4/17$1,043
This Mytrip deal was found by Cheapflights users on 4/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/79:20 amSTL - GVA
3 stops25h 10mMultiple Airlines
sáb. 7/1210:25 amGVA - STL
3 stops32h 45mMultiple Airlines
Deal found 4/17$1,366
This Gurufare deal was found by Cheapflights users on 4/17. 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.
lun. 7/78:26 amSTL - GVA
2 stops17h 59mAer Lingus
sáb. 7/125:10 pmGVA - STL
2 stops37h 39mAer Lingus
Deal found 4/17$1,418
This Trip.com deal was found by Cheapflights users on 4/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/253:30 pmSTL - GVA
1 stop12h 10mLufthansa
sáb. 8/22:20 pmGVA - STL
1 stop30h 10mLufthansa
Deal found 4/17$1,467
This oojo deal was found by Cheapflights users on 4/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/91:16 pmSTL - GVA
2 stops17h 09mIberia
dom. 7/206:55 pmGVA - STL
2 stops35h 54mIberia
Deal found 4/16$3,363

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 abril 17, 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

mar. 7/15

7:38 pm-11:10 pm

2 stops20h 32m

Geneva Geneve-Cointrin

mié. 7/23

7:25 am-8:23 pm

2 stops19h 58m

$904

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

mar. 7/15

1:30 pm-9:55 am

1 stop13h 25m

Geneva Geneve-Cointrin

mié. 7/23

11:00 am-8:00 pm

2 stops16h 00m

$924

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

lun. 7/7

9:20 am-5:30 pm

3 stops25h 10m

Geneva Geneve-Cointrin

sáb. 7/12

10:25 am-12:10 pm

3 stops32h 45m

$1,366

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

lun. 7/7

8:26 am-9:25 am

2 stops17h 59m

Geneva Geneve-Cointrin

sáb. 7/12

5:10 pm-11:49 pm

2 stops37h 39m

$1,418

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

mié. 7/9

1:16 pm-1:25 pm

2 stops17h 09m

Geneva Geneve-Cointrin

dom. 7/20

6:55 pm-11:49 pm

2 stops35h 54m

$3,363

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

mié. 7/9

3:30 pm-5:45 pm

1 stop19h 15m

Geneva Geneve-Cointrin

dom. 7/20

6:10 am-1:30 pm

1 stop14h 20m

$4,170

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

vie. 7/4

1:30 pm-9:55 am

1 stop13h 25m

$653

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

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 abril 17, 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.

Rainfall in Lausanne by month

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

In terms of precipitation, rainfall in Lausanne ranges from 2.7 - 4.1 inches per month. October is typically the wettest month, when rainfall can reach 4.1 in. February is typically the driest time to visit Lausanne when rainfall is around 2.7 in.

Temperature in Lausanne by month

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

If weather is an important factor for your trip to Lausanne, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 abril 17, 2025.
United Airlines
7.4
Good
8,667 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.0

Food

6.6

Overall

7.4

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
8,667 reviews
United Airlines
7.4
Good
8,667 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.0

Food

6.6

Overall

7.4

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??
Scandinavian Airlines
7.3
Good
1,335 reviews
United Airlines
7.4
Good
8,667 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.0

Food

6.6

Overall

7.4

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??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,667 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.0

Food

6.6

Overall

7.4

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
7.0
Good
9,143 reviews
United Airlines
7.4
Good
8,667 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.0

Food

6.6

Overall

7.4

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??
Aer Lingus
7.0
Good
1,063 reviews
United Airlines
7.4
Good
8,667 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.0

Food

6.6

Overall

7.4

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. 3 airlines have flights to Lausanne from Lambert-St Louis on a regular basis.

  • 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 $1,207). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from St. Louis to Lausanne

Discover the top 3 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 abril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$678Average$1,018FlexibilityNo cancel feeOn-time69%
DeltaCheapest$760Average$1,001FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$791Average$1,381FlexibilityNo cancel feeOn-time67%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.