Interlaken

$412+ Cheap flights from St. Louis (STL) to Interlaken, 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ZRH
Apr 4 — Apr 111
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Cheap flight deals from St. Louis to Interlaken

Cheapest flights from St. Louis to Interlaken
Explore the most affordable flight options available from St. Louis to Interlaken. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 5, 2026.

This Expedia deal was found by Cheapflights users on 3/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/193:42 pm
STL
-
ZRH
2 stops34h 58m
Scandinavian Airlines
Fri 10/210:25 am
ZRH
-
STL
2 stops20h 12m
Scandinavian Airlines
Deal found 3/1$634
This KAYAK deal was found by Cheapflights users on 3/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/710:49 am
STL
-
ZRH
2 stops39h 51m
Scandinavian Airlines
Sat 5/168:25 pm
ZRH
-
STL
2 stops34h 34m
Scandinavian Airlines
Deal found 3/4$646
This Cheapflightsfares deal was found by Cheapflights users on 3/1. 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.
Wed 5/67:09 pm
STL
-
ZRH
2 stops14h 01m
Lufthansa
Wed 5/138:15 am
ZRH
-
STL
1 stop12h 10m
Lufthansa
Deal found 3/1$688
This Gotogate deal was found by Cheapflights users on 3/1. 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.
Wed 4/154:05 pm
STL
-
ZRH
1 stop11h 00m
Multiple Airlines
Wed 4/226:55 am
ZRH
-
STL
2 stops15h 30m
Multiple Airlines
Deal found 3/1$710
This United Airlines deal was found by Cheapflights users on 3/1. 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.
Tue 4/216:55 pm
STL
-
ZRH
1 stop29h 50m
United Airlines
Tue 4/281:25 pm
ZRH
-
STL
1 stop33h 00m
United Airlines
Deal found 3/1$712
This Cheapflightsfares deal was found by Cheapflights users on 3/4. 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.
Wed 4/299:35 pm
STL
-
ZRH
1 stop18h 05m
British Airways
Tue 5/1210:30 am
ZRH
-
STL
1 stop16h 00m
British Airways
Deal found 3/4$718
This American Airlines deal was found by Cheapflights users on 3/3. 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.
Wed 4/292:33 pm
STL
-
ZRH
2 stops15h 32m
American Airlines
Wed 5/611:45 am
ZRH
-
STL
1 stop14h 46m
American Airlines
Deal found 3/3$722
This United Airlines deal was found by Cheapflights users on 3/1. 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 4/298:30 am
STL
-
ZRH
1 stop16h 35m
United Airlines
Wed 5/68:15 am
ZRH
-
STL
1 stop12h 10m
United Airlines
Deal found 3/1$723

Find flight deals from St. Louis to Interlaken

Keep the following information in mind while searching for St. Louis to Interlaken flight deals. Data was last updated March 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$646
(KAYAK)

One-way from

$412
(oojo)

Popular in

June

Cheapest in

November

Average price

$703
Provider with most accurate pricing for Lambert-St Louis-Zurich flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Zurich flights.
From Lambert-St Louis to Interlaken
One-way flight from Lambert-St Louis to Interlaken
Highest demand for flights based on searches. 22% potential increase in price ($263 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
Average for round-trip flights in March 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Interlaken 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 March 5, 2026.
Use the filters below to find and compare flights from St. Louis to Interlaken that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Tue 4/21

6:55 pm-7:45 am

1 stop29h 50m

Zurich

Tue 4/28

1:25 pm-3:25 pm

1 stop33h 00m

$712

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Wed 4/29

2:33 pm-1:05 pm

2 stops15h 32m

Zurich

Tue 5/12

10:30 am-7:30 pm

1 stop16h 00m

$733

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Sun 5/3

8:30 pm-7:45 am

1 stop28h 15m

Zurich

Sun 5/10

1:25 pm-12:06 pm

1 stop29h 41m

$762

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Sun 4/26

11:15 am-7:45 am

1 stop13h 30m

Zurich

Sat 5/2

11:20 am-1:25 pm

1 stop33h 05m

$794

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Thu 5/7

7:45 am-7:45 am

1 stop17h 00m

Zurich

Sat 5/16

1:25 pm-8:04 pm

1 stop13h 39m

$914

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Tue 4/21

1:02 pm-6:40 pm

3 stops22h 38m

Zurich

Tue 4/28

10:25 am-11:36 pm

2 stops20h 11m

$976

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Thu 7/23

8:15 pm-10:50 am

1 stop31h 35m

Zurich

Sun 8/2

1:25 pm-2:02 pm

1 stop31h 37m

$1,062

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Tue 5/12

5:21 pm-8:15 pm

2 stops19h 54m

$421

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Sun 4/26

9:40 pm-8:50 pm

1 stop16h 10m

$450

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Tue 5/12

12:15 pm-8:05 am

1 stop12h 50m

$466

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Interlaken. Price data was last updated on February 27, 2026.

The best time to book flights from St. Louis to Interlaken is 11 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, March is the cheapest month in which you can book a flight from St. Louis to Interlaken (average of $476). Flying from St. Louis to Interlaken in June is currently the most expensive (average of $941). 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.

How much does it cost to fly round-trip from St. Louis to Interlaken?

Reviews of airlines servicing Interlaken

Get insights into the airlines that provide service to Interlaken. 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 Interlaken. Reviews last updated March 5, 2026.
Read reviews from past customers who have flown United Airlines, American Airlines, and Air Canada from St. Louis to Interlaken. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

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

    Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Interlaken. On average, Lambert-St Louis has 0 outbound flights to Interlaken per day from 6 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

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

    Departing from St. Louis to Interlaken will take you 29h 50m. There are 4675 mi between St. Louis and Interlaken.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from St. Louis to Interlaken (average of $476). Flying from St. Louis to Interlaken in June is currently the most expensive (average of $941). 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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Alternative routes for St. Louis to Interlaken

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

Top 6 airlines flying from St. Louis to Interlaken

Discover the top 6 airlines that operate flights from St. Louis to Interlaken. 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 March 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$460Average$772FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$501Average$912FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$503Average$1,283FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$526Average$951FlexibilityNo cancel feeOn-time76%
DeltaCheapest$594Average$1,002FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$690Average$1,277FlexibilityNo cancel feeOn-time67%

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