HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Interlaken

$466+ 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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ZRH
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Interlaken 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.

Cheapflights Tip: The best prices from Lambert-St Louis to Interlaken are usually found in November or March, booked 70 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap 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 April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$605
(FlightHub)

One-way from

$587
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$993
Provider with most accurate pricing for Lambert-St Louis-Zurich flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Zurich flights.
Search Deals
From Lambert-St Louis to Interlaken
Search Deals
One-way flight from Lambert-St Louis to Interlaken
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($343 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find 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 April 24, 2025.

This FlightHub deal was found by Cheapflights users on 4/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/73:30 pmSTL - ZRH
2 stops15h 40mScandinavian Airlines
Tue 10/282:55 pmZRH - STL
2 stops38h 44mScandinavian Airlines
Deal found 4/23$605
This United Airlines deal was found by Cheapflights users on 4/23. 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 9/23:20 pmSTL - ZRH
1 stop12h 30mUnited Airlines
Wed 9/101:25 pmZRH - STL
2 stops31h 54mUnited Airlines
Deal found 4/23$701
This Booking.com deal was found by Cheapflights users on 4/23. 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 9/24:05 pmSTL - ZRH
2 stops31h 05mAir Canada
Wed 9/1012:40 pmZRH - STL
2 stops33h 38mAir Canada
Deal found 4/23$716
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Sun 9/75:06 pmSTL - ZRH
2 stops17h 59mAmerican Airlines
Thu 9/1811:45 amZRH - STL
1 stop15h 36mAmerican Airlines
Deal found 4/23$721
This Delta deal was found by Cheapflights users on 4/23. 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.
Sun 9/711:51 amSTL - ZRH
2 stops15h 44mDelta
Thu 9/181:35 pmZRH - STL
2 stops25h 35mDelta
Deal found 4/23$722
This Gotogate deal was found by Cheapflights users on 4/23. 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.
Tue 5/131:30 pmSTL - ZRH
1 stop33h 40mMultiple Airlines
Mon 5/198:50 pmZRH - STL
2 stops33h 56mMultiple Airlines
Deal found 4/23$806
This Cheapflightsfares deal was found by Cheapflights users on 4/23. 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 9/34:17 pmSTL - ZRH
2 stops23h 28mBritish Airways
Mon 9/159:45 pmZRH - STL
2 stops25h 25mBritish Airways
Deal found 4/23$1,581
This Cheapflightsfares deal was found by Cheapflights users on 4/23. 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.
Sun 9/712:35 pmSTL - ZRH
2 stops16h 40mAustrian Airlines
Fri 9/197:20 amZRH - STL
2 stops17h 32mAustrian Airlines
Deal found 4/23$1,638
This AranGrant deal was found by Cheapflights users on 4/23. 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.
Sun 9/73:30 pmSTL - ZRH
1 stop20h 45mLufthansa
Fri 9/198:15 amZRH - STL
1 stop12h 15mLufthansa
Deal found 4/23$1,690

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 April 24, 2025.
Use the filters below to find and compare flights from St. Louis to Interlaken that are best for you.

Fly from

St. Louis

Fly to

Interlaken

Route

Depart

Return

Price

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Tue 10/7

3:30 pm-2:10 pm

2 stops15h 40m

Zurich

Tue 10/28

2:55 pm-11:39 pm

2 stops38h 44m

$605

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Tue 9/2

3:20 pm-10:50 am

1 stop12h 30m

Zurich

Wed 9/10

1:25 pm-2:19 pm

2 stops31h 54m

$701

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Tue 9/2

4:05 pm-6:10 am

2 stops31h 05m

Zurich

Wed 9/10

12:40 pm-3:18 pm

2 stops33h 38m

$716

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Sun 9/7

5:06 pm-6:05 pm

2 stops17h 59m

Zurich

Thu 9/18

11:45 am-8:21 pm

1 stop15h 36m

$721

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Sun 9/7

11:51 am-10:35 am

2 stops15h 44m

Zurich

Thu 9/18

1:35 pm-8:10 am

2 stops25h 35m

$722

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Tue 5/13

1:30 pm-6:10 am

1 stop33h 40m

Zurich

Mon 5/19

8:50 pm-11:46 pm

2 stops33h 56m

$806

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Wed 9/3

4:17 pm-10:45 pm

2 stops23h 28m

Zurich

Mon 9/15

9:45 pm-4:10 pm

2 stops25h 25m

$1,581

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Sun 9/7

12:35 pm-12:15 pm

2 stops16h 40m

Zurich

Fri 9/19

7:20 am-5:52 pm

2 stops17h 32m

$1,638

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Sun 9/7

3:30 pm-7:15 pm

1 stop20h 45m

Zurich

Fri 9/19

8:15 am-1:30 pm

1 stop12h 15m

$1,690

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Wed 7/30

11:51 am-10:35 am

2 stops15h 44m

$466

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 11 results
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 April 18, 2025.

The best time to book flights from St. Louis to Interlaken is 70 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, November is the cheapest month in which you can book a flight from St. Louis to Interlaken (average of $637). Flying from St. Louis to Interlaken in June is currently the most expensive (average of $1,274). 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 IN9?

Find hourly flight availability from St. Louis to Interlaken. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St. Louis to Interlaken as you normally would.

Rainfall in Interlaken by month

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

In terms of precipitation, rainfall in Interlaken ranges from 2.5 - 5.0 inches per month. June is typically the wettest month, when rainfall can reach 5.0 in. January is typically the driest time to visit Interlaken when rainfall is around 2.5 in.

Temperature in Interlaken by month

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

If weather is an important factor for your trip to Interlaken, 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 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 April 24, 2025.
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,685 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Scandinavian Airlines
7.3
Good
1,344 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 5 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

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

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $598. Users have also found prices from $608 and $653 on Delta and Air Canada, respectively.

  • 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, November is the cheapest month in which you can book a flight from St. Louis to Interlaken (average of $637). Flying from St. Louis to Interlaken in June is currently the most expensive (average of $1,274). 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 5 airlines flying from St. Louis to Interlaken

Discover the top 5 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$618Average$1,112FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$655Average$1,061FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$690Average$1,218FlexibilityNo cancel feeOn-time76%
DeltaCheapest$760Average$1,064FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$791Average$1,310FlexibilityNo 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.