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Lausanne

$484+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
STL — GVA
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from St. Louis to Lausanne

Best flights from St. Louis to Lausanne
Discover carefully curated flight deals from St. Louis to Lausanne that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

This Mytrip deal was found by Cheapflights users on 12/11. 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.
Sat 2/214:05 pmSTL - GVA
2 stops13h 45mMultiple Airlines
Sun 3/16:45 amGVA - STL
1 stop14h 10mMultiple Airlines
Deal found 12/11$484
This United Airlines deal was found by Cheapflights users on 12/9. 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 1/81:15 pmSTL - GVA
2 stops13h 20mUnited Airlines
Wed 1/219:15 amGVA - STL
1 stop21h 44mUnited Airlines
Deal found 12/9$489
This United Airlines deal was found by Cheapflights users on 12/10. 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 1/81:15 pmSTL - GVA
2 stops13h 20mUnited Airlines
Thu 2/59:15 amGVA - STL
1 stop15h 03mUnited Airlines
Deal found 12/10$498
This United Airlines deal was found by Cheapflights users on 12/11. 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 1/811:20 amSTL - GVA
2 stops17h 20mUnited Airlines
Thu 1/159:15 amGVA - STL
1 stop15h 03mUnited Airlines
Deal found 12/11$498
This United Airlines deal was found by Cheapflights users on 12/11. 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 2/218:30 amSTL - GVA
1 stop16h 05mUnited Airlines
Sun 3/16:45 amGVA - STL
1 stop14h 10mUnited Airlines
Deal found 12/11$498
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Sun 1/256:30 amSTL - GVA
2 stops20h 10mUnited Airlines
Sun 2/11:00 pmGVA - STL
2 stops38h 58mUnited Airlines
Deal found 12/11$501

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$484
(Mytrip)

Popular in

January

Cheapest in

March

Average price

$650
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. 3% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($66 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 12, 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 2/21

4:05 pm-12:50 pm

2 stops13h 45m

Geneva Geneve-Cointrin

Sun 3/1

6:45 am-1:55 pm

1 stop14h 10m

$484

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

Thu 1/8

1:15 pm-9:35 am

2 stops13h 20m

Geneva Geneve-Cointrin

Wed 1/21

9:15 am-11:59 pm

1 stop21h 44m

$489

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

Thu 1/8

1:15 pm-9:35 am

2 stops13h 20m

Geneva Geneve-Cointrin

Thu 2/5

9:15 am-5:18 pm

1 stop15h 03m

$498

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

Thu 1/8

11:20 am-11:40 am

2 stops17h 20m

Geneva Geneve-Cointrin

Thu 1/15

9:15 am-5:18 pm

1 stop15h 03m

$498

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

Sat 2/21

8:30 am-7:35 am

1 stop16h 05m

Geneva Geneve-Cointrin

Sun 3/1

6:45 am-1:55 pm

1 stop14h 10m

$498

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

Sun 1/25

6:30 am-9:40 am

2 stops20h 10m

Geneva Geneve-Cointrin

Sun 2/1

1:00 pm-8:58 pm

2 stops38h 58m

$501

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

Sat 5/30

4:23 pm-2:10 pm

3 stops38h 47m

$566

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

Sat 5/30

4:23 pm-9:25 am

2 stops34h 02m

$573

St. LouisGeneva

STL - GVA

STLGVA

Lambert-St Louis

Sat 5/9

1:00 pm-11:35 am

2 stops15h 35m

$647

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

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 month to book a flight from St. Louis to Lausanne?

Currently, March is the cheapest month in which you can book a flight from St. Louis to Lausanne (average of $476). Flying from St. Louis to Lausanne in September is currently the most expensive (average of $1,015). 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 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 December 12, 2025.

When flying from St. Louis to Lausanne, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 40% versus a flight in the morning.

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 December 12, 2025.
Peruse reviews from past customers who have flown with United Airlines, Air Canada, and Lufthansa 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
9,093 reviews

Food

6.6

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,093 reviews
United Airlines
7.4
Good
9,093 reviews

Food

6.6

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
Air Canada
7.1
Good
10,517 reviews
United Airlines
7.4
Good
9,093 reviews

Food

6.6

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
Lufthansa
6.8
Okay
7,626 reviews
United Airlines
7.4
Good
9,093 reviews

Food

6.6

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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.

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

    There are many flights that can get you from St. Louis to Lausanne in 13h 20m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 4624 mi.

  • 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, March is the cheapest month in which you can book a flight from St. Louis to Lausanne (average of $476). Flying from St. Louis to Lausanne in September is currently the most expensive (average of $1,015). 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$501Average$965FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$668Average$1,189FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$690Average$1,373FlexibilityNo cancel feeOn-time67%

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