$408+ 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
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 74 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 junio 12, 2025.
Round-trip from | $587 (Mytrip) |
|---|---|
One-way from | $408 (Mytrip) |
Popular in | June |
Cheapest in | November |
Average price | $1,409 |
Find flight deals from St. Louis to Interlaken
Cheapest flights from St. Louis to InterlakenExplore 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 junio 12, 2025.
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 junio 12, 2025.
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 6/10. 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.
This Booking.com deal was found by Cheapflights users on 6/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This FlightHub deal was found by Cheapflights users on 6/12. 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.
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Iberia deal was found by Cheapflights users on 6/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This KLM deal was found by Cheapflights users on 6/12. 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.
This Ovago deal was found by Cheapflights users on 6/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 junio 12, 2025.
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
mar. 8/12
10:00 am-7:45 am
1 stop14h 45m
Zurich
mar. 8/26
9:50 am-3:44 pm
1 stop12h 54m
St. LouisZurich
STL - ZRH
STLZRH
Lambert-St Louis
mar. 8/12
1:30 pm-8:40 am
2 stops36h 10m
Zurich
mar. 8/26
2:40 pm-8:00 pm
2 stops36h 20m
St. LouisZurich
STL - ZRH
STLZRH
Lambert-St Louis
mar. 8/12
10:45 am-10:35 am
2 stops16h 50m
Zurich
mar. 8/26
10:10 am-10:02 pm
1 stop18h 52m
St. LouisZurich
STL - ZRH
STLZRH
Lambert-St Louis
vie. 9/5
3:36 pm-9:40 am
2 stops35h 04m
Zurich
dom. 9/14
2:50 pm-11:39 pm
2 stops39h 49m
St. LouisZurich
STL - ZRH
STLZRH
Lambert-St Louis
dom. 9/7
6:02 am-8:50 am
1 stop19h 48m
Zurich
jue. 9/18
11:45 am-9:06 pm
1 stop16h 21m
St. LouisZurich
STL - ZRH
STLZRH
Lambert-St Louis
vie. 8/1
8:01 pm-10:20 pm
2 stops43h 19m
Zurich
mié. 8/13
7:30 am-8:58 pm
2 stops20h 28m
St. LouisZurich
STL - ZRH
STLZRH
Lambert-St Louis
vie. 8/1
11:18 am-8:35 am
2 stops14h 17m
Zurich
mié. 8/13
2:20 pm-12:38 am
2 stops17h 18m
St. LouisZurich
STL - ZRH
STLZRH
Lambert-St Louis
vie. 9/5
3:30 pm-3:45 pm
1 stop17h 15m
Zurich
dom. 9/14
8:15 am-1:30 pm
1 stop12h 15m
St. LouisZurich
STL - ZRH
STLZRH
Lambert-St Louis
lun. 7/14
9:15 am-10:10 am
1 stop17h 55m
Zurich
lun. 7/21
8:55 pm-3:16 pm
2 stops25h 21m
St. LouisZurich
STL - ZRH
STLZRH
Lambert-St Louis
mié. 9/3
11:27 am-8:00 pm
2 stops25h 33m
Zurich
lun. 9/15
8:50 pm-5:52 pm
2 stops28h 02m
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.
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 June 9, 2025.
The best time to book flights from St. Louis to Interlaken is 74 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 $1,182). 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 junio 12, 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 junio 12, 2025.
Food
Overall
Comfort
Entertainment
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Overall
Comfort
Entertainment
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Overall
Comfort
Entertainment
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Overall
Comfort
Entertainment
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Overall
Comfort
Entertainment
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Overall
Comfort
Entertainment
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
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.
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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 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 junio 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$618 | Average$1,165 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$646 | Average$1,021 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$649 | Average$1,074 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$658 | Average$1,051 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$690 | Average$1,293 | FlexibilityNo cancel fee | On-time67% |