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Cheap flights from St. Louis (STL) to Interlaken, Switzerland from $687

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — ZRH
May 5 — May 121
From?
To?
Sun 5/5
Sun 5/12
1 adult, Economy
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The best prices from Lambert-St Louis to Interlaken are usually found in November or February, booked 53 days in advance, depart on a Wednesday or Thursday and return on a Thursday

Cheap flight deals from St. Louis to Interlaken

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Interlaken (IN9). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 30, 2024.

Popular in

June

Cheapest in

November

Average price

$1,072

Round-trip from

$651
High demand for flights, 30% potential price rise
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Best time to find cheap flights, 33% potential price drop
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Average for round-trip flights in April 2024
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From Lambert-St Louis to Interlaken
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How far in advance should I book a flight from St. Louis to Interlaken?

Travelers have found it’s best to book a flight 53 days in advance to save up to 151% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 53 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from St. Louis to Interlaken 1-2 weeks in advance for as low as $732, or $1,589 for flights within the next 24 hours.

What is the cheapest month to fly from St. Louis to Interlaken?

November can be a great time to fly to Interlaken from St. Louis with a flight ticket averaging about $1,097. Cheapflights users have found deals in the month of November for as cheap as $705. The most expensive prices can be found in the month of June.

When is the cheapest time to fly from St. Louis to Interlaken (STL - IN9)?

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.

Cheap Air Canada flights from St. Louis to Interlaken

Explore cheap flight options specifically provided by Air Canada for the route between St. Louis and Interlaken. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,948,547 searches. Data last updated April 30, 2024.
Peruse some of the lowest-priced Air Canada flights we've found from St. Louis to Interlaken. It's recommended that users confirm their flight details before booking.
Sun 7/144:05 pmSTL - ZRH
1 stop11h 15mAir Canada
Tue 7/2312:40 pmZRH - STL
2 stops33h 41mAir Canada
Deal found 4/29$921
Sun 7/144:05 pmSTL - ZRH
1 stop11h 15mAir Canada
Mon 7/2212:40 pmZRH - STL
2 stops33h 41mAir Canada
Deal found 4/29$971
Wed 8/712:00 pmSTL - ZRH
2 stops15h 40mAir Canada
Fri 8/1611:20 amZRH - STL
2 stops15h 41mAir Canada
Deal found 4/28$973
Tue 7/910:10 amSTL - ZRH
2 stops15h 35mAir Canada
Tue 7/1612:40 pmZRH - STL
2 stops33h 41mAir Canada
Deal found 4/28$1,005
Sat 7/134:05 pmSTL - ZRH
1 stop11h 15mAir Canada
Wed 7/2412:40 pmZRH - STL
2 stops33h 41mAir Canada
Deal found 4/29$1,021
Tue 7/234:05 pmSTL - ZRH
2 stops32h 50mAir Canada
Tue 8/67:10 amZRH - STL
2 stops19h 51mAir Canada
Deal found 4/29$1,028
Sat 8/104:05 pmSTL - ZRH
2 stops31h 05mAir Canada
Sat 8/172:40 pmZRH - STL
2 stops31h 41mAir Canada
Deal found 4/29$1,035
Tue 7/1610:10 amSTL - ZRH
1 stop17h 10mAir Canada
Thu 7/257:10 amZRH - STL
2 stops19h 51mAir Canada
Deal found 4/29$1,041
Thu 7/114:05 pmSTL - ZRH
1 stop11h 15mAir Canada
Thu 7/1812:40 pmZRH - STL
2 stops33h 41mAir Canada
Deal found 4/28$1,053

Cheap United Airlines flights from St. Louis to Interlaken

Explore cheap flight options specifically provided by United Airlines for the route between St. Louis and Interlaken. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,948,547 searches. Data last updated April 30, 2024.
Some of the best deals we've found on United Airlines flights traveling from St. Louis to Interlaken. Ensure the flight price, dates, time, and airline match your criteria before you book.
Tue 8/610:10 amSTL - ZRH
1 stop13h 20mUnited Airlines
Tue 8/209:50 amZRH - STL
1 stop12h 59mUnited Airlines
Deal found 4/29$837
Tue 7/1611:25 amSTL - ZRH
1 stop13h 20mUnited Airlines
Fri 7/261:25 pmZRH - STL
2 stops32h 11mUnited Airlines
Deal found 4/29$907
Tue 7/166:30 amSTL - ZRH
2 stops18h 35mUnited Airlines
Fri 7/261:25 pmZRH - STL
2 stops32h 11mUnited Airlines
Deal found 4/29$912
Tue 7/2311:25 amSTL - ZRH
1 stop11h 45mUnited Airlines
Tue 8/61:15 pmZRH - STL
2 stops16h 22mUnited Airlines
Deal found 4/29$944
Sun 7/1410:19 amSTL - ZRH
1 stop14h 26mUnited Airlines
Thu 7/251:25 pmZRH - STL
1 stop13h 36mUnited Airlines
Deal found 4/29$1,084
Mon 7/158:25 amSTL - ZRH
1 stop16h 40mUnited Airlines
Fri 7/2611:55 amZRH - STL
1 stop14h 19mUnited Airlines
Deal found 4/29$1,089
Tue 7/161:10 pmSTL - ZRH
1 stop11h 35mUnited Airlines
Thu 7/2510:10 amZRH - STL
2 stops19h 04mUnited Airlines
Deal found 4/28$1,093
Fri 8/303:25 pmSTL - ZRH
1 stop12h 15mUnited Airlines
Sat 9/79:50 amZRH - STL
1 stop12h 59mUnited Airlines
Deal found 4/29$1,135
Sat 7/133:43 pmSTL - ZRH
1 stop12h 07mUnited Airlines
Tue 7/2311:55 amZRH - STL
1 stop14h 19mUnited Airlines
Deal found 4/28$1,139

Cheap St. Louis to Interlaken flights in April & May 2024

Find cheap flight options from St. Louis to Interlaken specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,948,547 searches. Prices were last updated on April 30, 2024.
Listed are some of the best fares we've found on flights departing from St. Louis to Interlaken in 2024. Check back soon for alternative fares.
Wed 5/156:00 amSTL - ZRH
1 stop18h 45mMultiple Airlines
Wed 5/2912:40 pmZRH - STL
1 stop15h 25mMultiple Airlines
Deal found 4/29$1,096
Wed 5/154:05 pmSTL - ZRH
1 stop11h 15mAir Canada
Wed 5/2912:40 pmZRH - STL
2 stops33h 41mAir Canada
Deal found 4/29$1,103
Wed 5/157:30 amSTL - ZRH
2 stops18h 25mAmerican Airlines
Wed 5/2911:45 amZRH - STL
2 stops18h 37mAmerican Airlines
Deal found 4/29$1,107
Wed 5/296:08 amSTL - ZRH
1 stop22h 27mMultiple Airlines
Wed 6/51:25 pmZRH - STL
1 stop32h 56mMultiple Airlines
Deal found 4/29$1,164
Fri 5/1711:00 amSTL - ZRH
1 stop12h 10mMultiple Airlines
Mon 5/278:50 pmZRH - STL
2 stops30h 11mMultiple Airlines
Deal found 4/29$1,165
Tue 5/284:20 pmSTL - ZRH
2 stops15h 15mAmerican Airlines
Tue 6/411:45 amZRH - STL
1 stop16h 10mAmerican Airlines
Deal found 4/29$1,172
Fri 5/1711:00 amSTL - ZRH
2 stops17h 35mMultiple Airlines
Mon 5/278:50 pmZRH - STL
2 stops30h 11mMultiple Airlines
Deal found 4/29$1,173
Tue 5/282:00 pmSTL - ZRH
2 stops17h 35mAmerican Airlines
Tue 6/411:45 amZRH - STL
2 stops18h 37mAmerican Airlines
Deal found 4/29$1,175
Tue 5/286:40 amSTL - ZRH
1 stop19h 15mAmerican Airlines
Tue 6/411:45 amZRH - STL
1 stop16h 10mAmerican Airlines
Deal found 4/29$1,176

St. Louis to Interlaken 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Interlaken in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,948,547 searches. Data last updated April 30, 2024.
Listed are some of the best fares we've found on flights departing from St. Louis to Interlaken in 2024. Check back soon for alternative fares.
Tue 8/610:00 amSTL - ZRH
2 stops17h 25mDelta
Tue 8/2010:10 amZRH - STL
1 stop16h 04mDelta
Deal found 4/29$687
Tue 11/195:18 pmSTL - ZRH
1 stop31h 37mMultiple Airlines
Fri 11/291:25 pmZRH - STL
1 stop32h 58mMultiple Airlines
Deal found 4/28$690
Tue 8/610:10 amSTL - ZRH
2 stops17h 15mDelta
Tue 8/201:35 pmZRH - STL
2 stops26h 55mDelta
Deal found 4/29$692
Tue 11/195:18 pmSTL - ZRH
2 stops31h 22mMultiple Airlines
Fri 11/291:25 pmZRH - STL
1 stop32h 58mMultiple Airlines
Deal found 4/28$696
Tue 11/1910:40 amSTL - ZRH
2 stops36h 35mAir Canada
Fri 11/2912:45 pmZRH - STL
2 stops37h 40mAir Canada
Deal found 4/28$700
Wed 11/201:27 pmSTL - ZRH
1 stop11h 28mUnited Airlines
Fri 11/291:25 pmZRH - STL
1 stop27h 28mUnited Airlines
Deal found 4/29$701
Wed 11/2010:40 amSTL - ZRH
1 stop16h 45mAir Canada
Fri 11/291:25 pmZRH - STL
1 stop27h 28mAir Canada
Deal found 4/30$703
Wed 12/412:06 pmSTL - ZRH
2 stops17h 14mAmerican Airlines
Wed 12/1810:15 amZRH - STL
1 stop32h 35mAmerican Airlines
Deal found 4/29$710
Wed 12/46:45 amSTL - ZRH
1 stop18h 30mAmerican Airlines
Wed 12/1810:15 amZRH - STL
1 stop32h 35mAmerican Airlines
Deal found 4/29$712

One-way flights to Interlaken from St. Louis

Search for one-way flight options from St. Louis to Interlaken. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,948,547 searches. Data last updated April 30, 2024.
Take a look at some of the best available options we've come across on one-way flights from St. Louis to Interlaken. For those needing a return trip from St. Louis, there is a search form available above.
Sat 10/57:56 pmSTL - ZRH
2 stops33h 14mBritish Airways
Deal found 4/29$808
Sat 10/56:37 amSTL - ZRH
1 stop19h 18mAmerican Airlines
Deal found 4/29$862
Wed 5/297:20 pmSTL - ZRH
2 stops17h 35mBritish Airways
Deal found 4/29$1,030
Wed 5/2911:17 amSTL - ZRH
1 stop14h 38mAmerican Airlines
Deal found 4/29$1,032
Sun 6/309:47 amSTL - ZRH
2 stops26h 08mIberia
Deal found 4/28$2,206
Sun 6/3011:00 amSTL - ZRH
1 stop16h 20mAir Canada
Deal found 4/28$2,660
Wed 5/296:02 pmSTL - ZRH
3 stops45h 43mMultiple Airlines
Deal found 4/29$7,921

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 2,948,547 searches. Data last updated April 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$687 - $1,284

Route

Depart

Return

Price

Lambert-St LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Tue 8/6

2 stops17h 25m

Zurich

Tue 8/20

1 stop16h 04m

$687

Lambert-St LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Fri 10/4

1 stop19h 18m

Zurich

Wed 11/6

1 stop16h 58m

$821

Lambert-St LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Tue 8/6

1 stop13h 20m

Zurich

Tue 8/20

1 stop12h 59m

$837

Lambert-St LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Sun 9/1

2 stops28h 45m

Zurich

Sun 9/8

2 stops20h 14m

$884

Lambert-St LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Sun 7/14

1 stop11h 15m

Zurich

Tue 7/23

2 stops33h 41m

$921

Lambert-St LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Mon 7/15

2 stops16h 52m

Zurich

Thu 7/25

2 stops17h 06m

$940

Lambert-St LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Sun 9/1

1 stop16h 40m

Zurich

Sun 9/8

1 stop13h 30m

$1,069

Lambert-St LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Sun 6/16

2 stops15h 30m

Zurich

Wed 6/26

2 stops14h 33m

$1,234

Lambert-St LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Tue 7/16

2 stops14h 34m

Zurich

Fri 7/26

2 stops16h 21m

$1,284

Flights are sorted by cheapest first

Deals found on 4/29

When is the best time to 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 January 28, 2024.
The best time to book flights from St. Louis to Interlaken is 52 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.
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When is the cheapest time to fly from St. Louis to Interlaken?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Interlaken. Price data was last updated on April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Interlaken flight should consider departing on Wednesday mornings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Interlaken by month

Plan your trip from St. Louis to Interlaken by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Interlaken is currently $2,360 while a round-trip flight costs $964. Price data was last updated on April 28, 2024.

Currently, December is the cheapest month in which you can book a flight from St. Louis to Interlaken (average of $651). Flying from St. Louis to Interlaken in June is currently the most expensive (average of $1,424). 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.

January

$661

February

$676

March

$769

April

$775

May

$858

June

$1,424

July

$1,253

August

$987

September

$924

October

$760

November

$656

December

$651

Temperature and rainfall in Interlaken by month

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

ZRH

Temperature

32 - 66.2 °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 30, 2024.
See what other customers who have flown with Air Canada, United Airlines and British Airways 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
8.1
Very good
10,895 reviews
Check prices

Boarding

8.2

Food

7.4

Overall

8.1

Crew

8.6

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very good
10,895 reviews
Delta
8.1
Very good
10,895 reviews
Check prices

Boarding

8.2

Food

7.4

Overall

8.1

Crew

8.6

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

KLM
7.9
Good
1,616 reviews
Delta
8.1
Very good
10,895 reviews
Check prices

Boarding

8.2

Food

7.4

Overall

8.1

Crew

8.6

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Air France
7.6
Good
1,794 reviews
Delta
8.1
Very good
10,895 reviews
Check prices

Boarding

8.2

Food

7.4

Overall

8.1

Crew

8.6

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

United Airlines
7.4
Good
11,187 reviews
Delta
8.1
Very good
10,895 reviews
Check prices

Boarding

8.2

Food

7.4

Overall

8.1

Crew

8.6

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

American Airlines
7.3
Good
14,815 reviews
Delta
8.1
Very good
10,895 reviews
Check prices

Boarding

8.2

Food

7.4

Overall

8.1

Crew

8.6

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

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

  • Can I find flights from St. Louis to Interlaken for under $700 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Interlaken for under $700. The cheapest flight booked recently is on Delta for just $687, but on average you can expect to pay $873.

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

    For one-way options, check prices for British Airways. According to our data, you can fly for as low as $808. Users have also found prices from $862 and $2,206 on American Airlines and Iberia, respectively.

  • What are the most popular airlines that fly from St. Louis to Interlaken?

    Consider American Airlines, Air Canada or British Airways when booking your flight. These represent the most popular airlines when flying from St. Louis to Interlaken.

  • What does STL to ZRH mean?

    This is defined as Lambert-St Louis Airport (STL) and Zurich Airport (ZRH). Codes like Zurich Airport are often used to just call airports uniquely. Geneva Geneve-Cointrin Airport (GVA), Basel EuroAirport Swiss (BSL), Mulhouse EuroAirport (MLH), Belp Airport (BRN), Lugano Airport (LUG) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from St. Louis to Interlaken that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Interlaken flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Interlaken with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Interlaken flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from St. Louis to Interlaken that allow pets onboard?

    Many airlines flying from St. Louis to Interlaken offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Interlaken?

    Yes, you can often find last-minute deals on St. Louis to Interlaken flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Interlaken flight deals updated?

    The St. Louis to Interlaken flight deals you see on this page were last updated on 4/30.

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.

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Top 7 airlines flying from St. Louis to Interlaken

Discover the top 7 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 2,948,547 searches. Data last updated April 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$528Average$959FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest$532Average$850FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest$567Average$1,072FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest$568Average$1,017FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest$709Average$1,431FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapest$712Average$860FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest$776Average$1,150FlexibilityNo cancel feeOn-timeN/A
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Search flights from St. Louis to Interlaken by cabin class

Find flights from St. Louis to Interlaken, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Why should you use Cheapflights to find cheap flight tickets from St. Louis to Interlaken?

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Can Cheapflights find flights from St. Louis to Interlaken with no change fees?

Yes! Cheapflights helps users easily find flights from St. Louis to Interlaken with no change fees.

Can Cheapflights notify me if prices for flights from St. Louis to Interlaken become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Interlaken from St. Louis today and book when prices fit your budget.

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