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Interlaken

$417+ 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 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ZRH
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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The best prices from Lambert-St Louis to Interlaken are usually found in March or November, 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$642
(Delta)

One-way from

$417
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$1,042
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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One-way flight from Lambert-St Louis to Interlaken
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Highest demand for flights based on searches. 21% potential increase in price ($276 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($49 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This Delta deal was found by Cheapflights users on 2/18. 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 3/196:00 amSTL - ZRH
2 stops22h 30mDelta
Wed 3/261:30 pmZRH - STL
2 stops28h 30mDelta
Deal found 2/18$642
This Mytrip deal was found by Cheapflights users on 2/18. 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.
Wed 3/193:50 pmSTL - ZRH
1 stop12h 35mAir Canada
Wed 3/2612:45 pmZRH - STL
2 stops31h 38mAir Canada
Deal found 2/18$767
This United Airlines deal was found by Cheapflights users on 2/20. 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 4/29:39 amSTL - ZRH
1 stop13h 31mUnited Airlines
Wed 4/91:25 pmZRH - STL
2 stops33h 22mUnited Airlines
Deal found 2/20$771
This Gotogate deal was found by Cheapflights users on 2/18. 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 3/194:45 pmSTL - ZRH
1 stop14h 50mMultiple Airlines
Wed 3/261:20 pmZRH - STL
1 stop31h 46mMultiple Airlines
Deal found 2/18$799
This Ovago deal was found by Cheapflights users on 2/19. 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.
Mon 2/2411:57 amSTL - ZRH
2 stops39h 23mAer Lingus
Mon 3/38:10 pmZRH - STL
2 stops32h 52mAer Lingus
Deal found 2/19$871
This Scandinavian Airlines deal was found by Cheapflights users on 2/18. 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 3/1910:19 amSTL - ZRH
2 stops27h 26mScandinavian Airlines
Wed 3/266:30 amZRH - STL
3 stops23h 01mScandinavian Airlines
Deal found 2/18$878
This American Airlines deal was found by Cheapflights users on 2/19. 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 7/276:13 pmSTL - ZRH
2 stops16h 52mAmerican Airlines
Thu 8/77:30 amZRH - STL
2 stops17h 26mAmerican Airlines
Deal found 2/19$976
This Cheapflightsfares deal was found by Cheapflights users on 2/19. 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 7/305:27 pmSTL - ZRH
2 stops16h 58mLufthansa
Mon 8/119:00 pmZRH - STL
2 stops25h 42mLufthansa
Deal found 2/19$1,024
This KLM deal was found by Cheapflights users on 2/18. 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.
Fri 5/307:10 pmSTL - ZRH
2 stops14h 35mKLM
Thu 6/127:00 amZRH - STL
2 stops16h 47mKLM
Deal found 2/18$1,078
This oojo deal was found by Cheapflights users on 2/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/123:15 pmSTL - ZRH
2 stops24h 05mTurkish Airlines
Sun 9/213:00 pmZRH - STL
2 stops30h 18mTurkish Airlines
Deal found 2/20$1,142

Find flights from St. Louis to Interlaken within your budget

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 February 20, 2025.

Fly from

St. Louis

Fly to

Interlaken

Route

Depart

Return

Price

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Wed 3/19

6:00 am-10:30 am

2 stops22h 30m

Zurich

Wed 3/26

1:30 pm-12:00 pm

2 stops28h 30m

$642

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Wed 3/19

3:50 pm-10:25 am

1 stop12h 35m

Zurich

Wed 3/26

12:45 pm-2:23 pm

2 stops31h 38m

$767

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Wed 4/2

9:39 am-6:10 am

1 stop13h 31m

Zurich

Wed 4/9

1:25 pm-3:47 pm

2 stops33h 22m

$771

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Wed 3/19

4:45 pm-1:35 pm

1 stop14h 50m

Zurich

Wed 3/26

1:20 pm-3:06 pm

1 stop31h 46m

$799

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Mon 2/24

11:57 am-10:20 am

2 stops39h 23m

Zurich

Mon 3/3

8:10 pm-10:02 pm

2 stops32h 52m

$871

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Wed 3/19

10:19 am-7:45 pm

2 stops27h 26m

Zurich

Wed 3/26

6:30 am-11:31 pm

3 stops23h 01m

$878

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Sun 3/23

4:45 pm-10:40 am

1 stop11h 55m

Zurich

Sat 3/29

6:50 pm-1:30 pm

1 stop24h 40m

$1,188

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Thu 2/27

6:00 am-8:15 am

1 stop19h 15m

Zurich

Mon 3/3

10:15 am-12:39 pm

1 stop33h 24m

$1,785

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Thu 4/17

5:27 pm-6:15 pm

2 stops17h 48m

Zurich

Mon 4/28

9:45 pm-2:53 pm

2 stops24h 08m

$3,304

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Thu 3/20

8:58 am-7:15 pm

2 stops28h 17m

$417

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 12 results
1
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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.

Travel insights for flights from St. Louis to Interlaken

Get recent, data-driven insights about flights from St. Louis to Interlaken including ideal travel times, pricing trends, and more.

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 14, 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 $1,304). 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 February 20, 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 February 20, 2025.
See what other customers who have flown with Delta, United Airlines and Scandinavian Airlines 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
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

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
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

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
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

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
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

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
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

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.

Aer Lingus
7.0
Good
1,070 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

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 6 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 $1,304). 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 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$292Average$882FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$580Average$871FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$583Average$969FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$668Average$1,254FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$728Average$1,320FlexibilityNo cancel feeOn-time67%
DeltaCheapest$840Average$1,202FlexibilityNo cancel feeOn-timeN/A
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