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Interlaken

$556+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ZRH
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$774
(United)

Popular in

June

Cheapest in

November

Average price

$708
Provider with most accurate pricing for Lambert-St Louis-Zurich flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Zurich flights.
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From Lambert-St Louis to Interlaken
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Highest demand for flights based on searches. 24% potential increase in price ($340 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($50 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 28, 2025.

This British Airways deal was found by Cheapflights users on 3/26. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/186:24 pmSTL - ZRH
2 stops16h 51mBritish Airways
Wed 10/110:15 amZRH - STL
2 stops16h 39mBritish Airways
Deal found 3/26$689
This United deal was found by Cheapflights users on 3/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/710:30 amSTL - ZRH
1 stop14h 15mUnited Airlines
Tue 10/281:20 pmZRH - STL
2 stops30h 58mUnited Airlines
Deal found 3/27$707
This Air Canada deal was found by Cheapflights users on 3/27. 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 - ZRH
1 stop33h 40mAir Canada
Tue 10/281:20 pmZRH - STL
1 stop32h 06mAir Canada
Deal found 3/27$715
This Delta deal was found by Cheapflights users on 3/27. 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 10/2611:51 amSTL - ZRH
2 stops16h 39mDelta
Sun 11/96:55 amZRH - STL
2 stops20h 35mDelta
Deal found 3/27$716
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Thu 10/169:42 amSTL - ZRH
1 stop16h 08mAmerican Airlines
Wed 10/2211:45 amZRH - STL
1 stop15h 34mAmerican Airlines
Deal found 3/27$759
This United deal was found by Cheapflights users on 3/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/238:25 amSTL - ZRH
1 stop16h 40mMultiple Airlines
Wed 4/3012:40 pmZRH - STL
2 stops30h 40mMultiple Airlines
Deal found 3/27$776
This FlightHub deal was found by Cheapflights users on 3/28. 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.
Fri 9/53:30 pmSTL - ZRH
2 stops35h 10mScandinavian Airlines
Sun 9/142:50 pmZRH - STL
2 stops36h 57mScandinavian Airlines
Deal found 3/28$821
This FlightHub deal was found by Cheapflights users on 3/27. 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.
Thu 4/32:05 pmSTL - ZRH
2 stops23h 05mAer Lingus
Tue 4/811:15 amZRH - STL
2 stops17h 57mAer Lingus
Deal found 3/27$980
This KLM deal was found by Cheapflights users on 3/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/77:05 pmSTL - ZRH
2 stops14h 40mKLM
Fri 9/192:20 pmZRH - STL
2 stops16h 19mKLM
Deal found 3/27$1,652
This Air France deal was found by Cheapflights users on 3/27. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/31:48 pmSTL - ZRH
2 stops13h 37mAir France
Wed 4/97:45 amZRH - STL
2 stops16h 04mAir France
Deal found 3/27$2,084

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 28, 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

Thu 9/18

6:24 pm-6:15 pm

2 stops16h 51m

Zurich

Wed 10/1

10:15 am-7:54 pm

2 stops16h 39m

$689

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Tue 5/13

1:30 pm-11:40 am

2 stops15h 10m

Zurich

Tue 5/20

1:25 pm-12:19 pm

2 stops29h 54m

$770

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Tue 5/13

1:30 pm-6:10 am

1 stop33h 40m

Zurich

Tue 5/20

12:40 pm-7:58 pm

1 stop14h 18m

$774

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Wed 4/23

8:25 am-8:05 am

1 stop16h 40m

Zurich

Wed 4/30

12:40 pm-12:20 pm

2 stops30h 40m

$776

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Fri 9/5

3:30 pm-9:40 am

2 stops35h 10m

Zurich

Sun 9/14

2:50 pm-8:47 pm

2 stops36h 57m

$821

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Thu 9/18

9:42 am-8:50 am

1 stop16h 08m

Zurich

Wed 10/1

11:45 am-11:23 pm

2 stops18h 38m

$863

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Tue 7/1

10:44 am-8:05 am

1 stop14h 21m

Zurich

Tue 7/8

1:35 pm-10:38 am

2 stops28h 03m

$1,133

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Sun 9/7

7:05 pm-4:45 pm

2 stops14h 40m

Zurich

Fri 9/19

2:20 pm-11:39 pm

2 stops16h 19m

$1,652

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Mon 6/9

11:30 am-9:45 am

2 stops15h 15m

Zurich

Mon 6/23

8:50 pm-6:00 pm

2 stops28h 10m

$2,240

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Mon 6/9

11:30 am-4:10 pm

2 stops21h 40m

Zurich

Mon 6/23

1:15 pm-3:30 pm

2 stops33h 15m

$2,244

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 13 results
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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 March 21, 2025.

The best time to book flights from St. Louis to Interlaken is 10 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 $1,286). 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 March 28, 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 March 28, 2025.
See what other customers who have flown with Delta, Austrian Airlines and Air France from St. Louis to Interlaken have to say. 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.
Delta
8.0
Very good
7,897 reviews

Comfort

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

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
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Comfort

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

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
7.5
Good
769 reviews
Delta
8.0
Very good
7,897 reviews

Comfort

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

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.
Air France
7.4
Good
1,424 reviews
Delta
8.0
Very good
7,897 reviews

Comfort

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

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
8,603 reviews
Delta
8.0
Very good
7,897 reviews

Comfort

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

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
1,325 reviews
Delta
8.0
Very good
7,897 reviews

Comfort

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

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.

  • 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 $1,286). 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 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$618Average$907FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$651Average$1,047FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$668Average$1,235FlexibilityNo cancel feeOn-time76%
DeltaCheapest$840Average$1,221FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$876Average$1,233FlexibilityNo cancel feeOn-time67%
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