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Lausanne

$415+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
STL — GVA
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
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 June 16, 2025.

Round-trip from

$676
(United Airlines)

One-way from

$415
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,381
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 ($200 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 16, 2025.

This United Airlines deal was found by Cheapflights users on 6/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/68:25 amSTL - GVA
1 stop16h 10mUnited Airlines
Sat 12/1312:20 pmGVA - STL
2 stops30h 00mUnited Airlines
Deal found 6/16$676
This Booking.com deal was found by Cheapflights users on 6/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/712:25 pmSTL - GVA
2 stops14h 30mMultiple Airlines
Mon 10/133:35 pmGVA - STL
2 stops35h 22mMultiple Airlines
Deal found 6/15$686
This Air Canada deal was found by Cheapflights users on 6/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/71:30 pmSTL - GVA
1 stop13h 25mAir Canada
Mon 10/1312:40 pmGVA - STL
1 stop14h 17mAir Canada
Deal found 6/15$715
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/309:27 amSTL - GVA
2 stops18h 18mDelta
Wed 8/612:45 pmGVA - STL
2 stops18h 08mDelta
Deal found 6/15$849
This Ovago deal was found by Cheapflights users on 6/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/173:30 pmSTL - GVA
1 stop15h 05mLufthansa
Sun 10/2610:20 amGVA - STL
1 stop14h 13mLufthansa
Deal found 6/14$968
This Scandinavian Airlines deal was found by Cheapflights users on 6/15. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/243:30 pmSTL - GVA
2 stops21h 00mScandinavian Airlines
Thu 10/27:15 amGVA - STL
3 stops23h 24mScandinavian Airlines
Deal found 6/15$992
This Cheapflightsfares deal was found by Cheapflights users on 6/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/247:38 pmSTL - GVA
2 stops20h 02mBritish Airways
Tue 8/129:25 pmGVA - STL
2 stops29h 57mBritish Airways
Deal found 6/14$1,740
This Arangrant deal was found by Cheapflights users on 6/16. 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 Arangrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/241:04 pmSTL - GVA
1 stop11h 36mBrussels Airlines
Tue 8/125:10 pmGVA - STL
2 stops32h 50mBrussels Airlines
Deal found 6/16$1,748
This business-class.com deal was found by Cheapflights users on 6/15. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/910:00 amSTL - GVA
2 stops16h 15mIberia
Sun 7/208:45 pmGVA - STL
2 stops30h 34mIberia
Deal found 6/15$3,479

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 June 16, 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

Sat 12/6

8:25 am-7:35 am

1 stop16h 10m

Geneva Geneve-Cointrin

Sat 12/13

12:20 pm-11:20 am

2 stops30h 00m

$676

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

Tue 10/7

12:25 pm-9:55 am

2 stops14h 30m

Geneva Geneve-Cointrin

Mon 10/13

3:35 pm-7:57 pm

2 stops35h 22m

$686

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

Tue 10/7

1:30 pm-9:55 am

1 stop13h 25m

Geneva Geneve-Cointrin

Mon 10/13

12:40 pm-7:57 pm

1 stop14h 17m

$715

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

Wed 7/30

9:27 am-10:45 am

2 stops18h 18m

Geneva Geneve-Cointrin

Wed 8/6

12:45 pm-11:53 pm

2 stops18h 08m

$849

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

Fri 10/17

3:30 pm-1:35 pm

1 stop15h 05m

Geneva Geneve-Cointrin

Sun 10/26

10:20 am-6:33 pm

1 stop14h 13m

$968

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

Wed 9/24

3:30 pm-7:30 pm

2 stops21h 00m

Geneva Geneve-Cointrin

Thu 10/2

7:15 am-11:39 pm

3 stops23h 24m

$992

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

Thu 7/24

8:01 pm-10:40 pm

2 stops19h 39m

Geneva Geneve-Cointrin

Tue 8/12

9:25 pm-8:22 pm

2 stops29h 57m

$1,740

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

Thu 7/24

1:04 pm-7:40 am

1 stop11h 36m

Geneva Geneve-Cointrin

Tue 8/12

5:10 pm-7:00 pm

2 stops32h 50m

$1,748

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

Wed 7/9

10:00 am-9:15 am

2 stops16h 15m

Geneva Geneve-Cointrin

Sun 7/20

8:45 pm-8:19 pm

2 stops30h 34m

$3,479

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

Wed 9/24

6:00 am-10:15 am

3 stops45h 15m

$415

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 12 results
1
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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 June 16, 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 June 16, 2025.
Delta
8.0
Very good
7,963 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

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
7,963 reviews
Delta
8.0
Very good
7,963 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

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!
Brussels Airlines
7.4
Good
355 reviews
Delta
8.0
Very good
7,963 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

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
8,801 reviews
Delta
8.0
Very good
7,963 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

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
1,388 reviews
Delta
8.0
Very good
7,963 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

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!
Air Canada
7.1
Good
9,554 reviews
Delta
8.0
Very good
7,963 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

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

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 $1,141). 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 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 June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$646Average$1,001FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$678Average$1,018FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$690Average$1,373FlexibilityNo cancel feeOn-time67%

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