$382+ 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ZRH
Jul 8 — Jul 151
Round-trip
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.Cheap flight deals from St. Louis to Interlaken
Cheapest
Best
Last-minute
One-way
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 June 8, 2026.
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 June 8, 2026.
This Air Canada deal was found by Cheapflights users on 6/7. 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.
Mon 11/164:15 pm
STL
- ZRH
2 stops17h 30m
Air Canada
Fri 11/2012:40 pm
ZRH
- STL
2 stops30h 40m
Air Canada
Deal found 6/7![Air Canada logo]()
$745
This United Airlines deal was found by Cheapflights users on 6/4. 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.
Mon 11/163:15 pm
STL
- ZRH
2 stops16h 30m
United Airlines
Fri 11/201:20 pm
ZRH
- STL
2 stops30h 00m
United Airlines
Deal found 6/4![United Airlines logo]()
$746
This United Airlines deal was found by Cheapflights users on 6/3. 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.
Mon 11/98:15 pm
STL
- ZRH
1 stop31h 25m
United Airlines
Thu 11/121:20 pm
ZRH
- STL
1 stop33h 10m
United Airlines
Deal found 6/3![United Airlines logo]()
$751
This Flysmarter deal was found by Cheapflights users on 6/6. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/164:15 pm
STL
- ZRH
2 stops15h 30m
Multiple Airlines
Mon 11/238:45 pm
ZRH
- STL
2 stops32h 21m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$758
This Finnair deal was found by Cheapflights users on 6/8. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/241:20 pm
STL
- ZRH
2 stops24h 00m
Multiple Airlines
Wed 12/27:05 pm
ZRH
- STL
2 stops31h 22m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$776
This United Airlines deal was found by Cheapflights users on 6/8. 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 11/2410:23 am
STL
- ZRH
1 stop14h 32m
United Airlines
Wed 12/23:30 pm
ZRH
- STL
2 stops34h 08m
United Airlines
Deal found 6/8![United Airlines logo]()
$783
Best flights from St. Louis to InterlakenDiscover carefully curated flight deals from St. Louis to Interlaken that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 8, 2026.
Discover carefully curated flight deals from St. Louis to Interlaken that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 8, 2026.
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Mon 11/168:15 pm
STL
- ZRH
1 stop31h 25m
United Airlines
Fri 11/201:20 pm
ZRH
- STL
1 stop33h 10m
United Airlines
Deal found 6/6![United Airlines logo]()
$750
This United deal was found by Cheapflights users on 6/7. 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.
Thu 9/178:00 am
STL
- ZRH
1 stop16h 45m
Multiple Airlines
Mon 9/283:35 pm
ZRH
- STL
2 stops29h 25m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$935
This Delta deal was found by Cheapflights users on 6/6. 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.
Tue 7/147:08 am
STL
- ZRH
1 stop17h 57m
Delta
Fri 7/2410:10 am
ZRH
- STL
1 stop20h 43m
Delta
Deal found 6/6![Delta logo]()
$957
This Condor deal was found by Cheapflights users on 6/3. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:00 am
STL
- ZRH
2 stops18h 50m
Multiple Airlines
Mon 9/148:00 am
ZRH
- STL
2 stops18h 45m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$938
This United Airlines deal was found by Cheapflights users on 6/5. 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 7/149:20 am
STL
- ZRH
1 stop15h 25m
United Airlines
Fri 7/249:50 am
ZRH
- STL
1 stop18h 36m
United Airlines
Deal found 6/5![United Airlines logo]()
$957
This United Airlines deal was found by Cheapflights users on 6/5. 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 7/2212:23 pm
STL
- ZRH
1 stop12h 52m
United Airlines
Thu 7/309:50 am
ZRH
- STL
1 stop33h 21m
United Airlines
Deal found 6/5![United Airlines logo]()
$962
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Thu 8/138:00 am
STL
- ZRH
1 stop15h 10m
United Airlines
Sat 8/221:25 pm
ZRH
- STL
2 stops29h 37m
United Airlines
Deal found 6/6![United Airlines logo]()
$966
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Fri 7/179:20 am
STL
- ZRH
2 stops15h 45m
United Airlines
Wed 7/2210:10 am
ZRH
- STL
1 stop20h 34m
United Airlines
Deal found 6/6![United Airlines logo]()
$1,021
Last-minute flights from St. Louis to InterlakenDiscover last-minute flight deals from St. Louis to Interlaken. Data last updated June 8, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Interlaken. Data last updated June 8, 2026 and is based on user searches.
This Travelocity deal was found by Cheapflights users on 6/3. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/68:55 am
STL
- ZRH
1 stop18h 10m
Multiple Airlines
Mon 7/1310:05 pm
ZRH
- STL
2 stops27h 37m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$985
This Air France deal was found by Cheapflights users on 6/7. 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.
Tue 7/710:51 am
STL
- ZRH
2 stops16h 09m
Multiple Airlines
Tue 7/217:00 am
ZRH
- STL
2 stops17h 53m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$969
This KAYAK deal was found by Cheapflights users on 6/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1410:20 am
STL
- ZRH
1 stop14h 25m
Lufthansa
Fri 7/249:50 am
ZRH
- STL
1 stop18h 36m
Lufthansa
Deal found 6/4![Lufthansa logo]()
$956
This United Airlines deal was found by Cheapflights users on 6/8. 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 7/141:13 pm
STL
- ZRH
1 stop11h 32m
United Airlines
Fri 7/249:50 am
ZRH
- STL
1 stop20h 39m
United Airlines
Deal found 6/8![United Airlines logo]()
$957
This Delta deal was found by Cheapflights users on 6/8. 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.
Tue 7/141:22 pm
STL
- ZRH
2 stops14h 13m
Delta
Fri 7/2410:10 am
ZRH
- STL
1 stop20h 43m
Delta
Deal found 6/8![Delta logo]()
$961
This Air France deal was found by Cheapflights users on 6/8. 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.
Tue 7/1410:51 am
STL
- ZRH
2 stops16h 09m
Air France
Fri 7/247:40 am
ZRH
- STL
2 stops16h 06m
Air France
Deal found 6/8![Air France logo]()
$976
This Gotogate deal was found by Cheapflights users on 6/4. 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.
Sun 7/198:55 am
STL
- ZRH
2 stops16h 00m
Air Canada
Sun 7/264:55 pm
ZRH
- STL
2 stops28h 07m
Air Canada
Deal found 6/4![Air Canada logo]()
$991
This Mytrip deal was found by Cheapflights users on 6/5. 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 7/229:30 am
STL
- ZRH
2 stops17h 35m
Air Canada
Thu 7/305:00 pm
ZRH
- STL
2 stops28h 02m
Air Canada
Deal found 6/5![Air Canada logo]()
$958
This United Airlines deal was found by Cheapflights users on 6/5. 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 7/2212:23 pm
STL
- ZRH
1 stop12h 52m
United Airlines
Thu 7/309:50 am
ZRH
- STL
1 stop33h 21m
United Airlines
Deal found 6/5![United Airlines logo]()
$962
One-way flights from St. Louis to InterlakenSearch for one-way flight options from St. Louis to Interlaken. Find affordable one-way fares based on user searches. Data last updated June 8, 2026.
Search for one-way flight options from St. Louis to Interlaken. Find affordable one-way fares based on user searches. Data last updated June 8, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 6/8. 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.
Tue 9/299:35 pm
STL
- ZRH
1 stop18h 00m
British Airways
Deal found 6/8![British Airways logo]()
$382
This Air Canada deal was found by Cheapflights users on 6/8. 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 9/2912:10 pm
STL
- ZRH
2 stops16h 35m
Air Canada
Deal found 6/8![Air Canada logo]()
$391
This FlightHub deal was found by Cheapflights users on 6/8. 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 9/252:40 pm
STL
- ZRH
2 stops56h 30m
Air Canada
Deal found 6/8![Air Canada logo]()
$402
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:10 pm
STL
- ZRH
3 stops55h 40m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$418
This Cheapflightsfares deal was found by Cheapflights users on 6/8. 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.
Fri 9/259:35 pm
STL
- ZRH
1 stop16h 15m
British Airways
Deal found 6/8![British Airways logo]()
$439
This Booking.com deal was found by Cheapflights users on 6/8. 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.
Wed 7/82:40 pm
STL
- ZRH
1 stop12h 25m
Air Canada
Deal found 6/8![Air Canada logo]()
$447
This British Airways deal was found by Cheapflights users on 6/7. 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.
Sun 8/309:40 pm
STL
- ZRH
1 stop12h 20m
British Airways
Deal found 6/7![British Airways logo]()
$456
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Mon 8/3112:27 pm
STL
- ZRH
2 stops16h 18m
United Airlines
Deal found 6/5![United Airlines logo]()
$460
This Delta deal was found by Cheapflights users on 6/5. 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.
Mon 8/3111:00 am
STL
- ZRH
1 stop14h 05m
Delta
Deal found 6/5![Delta logo]()
$463
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:35 am
STL
- ZRH
3 stops46h 25m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$470
Find 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 June 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $745 (Air Canada) |
One-way from | $382 (Cheapflightsfares) |
Popular in | June |
Cheapest in | February |
Average price | $1,302 |
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 June 8, 2026.
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
Cheapest round-trip
St. LouisZurich
STL - ZRH
STLZRH
Lambert-St Louis
Mon 11/16
8:15 pm-10:40 am
1 stop31h 25m
Zurich
Fri 11/20
1:20 pm-3:30 pm
1 stop33h 10m
$750
St. LouisZurich
STL - ZRH
STLZRH
Lambert-St Louis
Thu 9/17
8:00 am-7:45 am
1 stop16h 45m
Zurich
Mon 9/28
3:35 pm-2:00 pm
2 stops29h 25m
$935
St. LouisZurich
STL - ZRH
STLZRH
Lambert-St Louis
Mon 8/31
7:00 am-8:50 am
2 stops18h 50m
Zurich
Mon 9/14
8:00 am-7:45 pm
2 stops18h 45m
$938
St. LouisZurich
STL - ZRH
STLZRH
Lambert-St Louis
Tue 7/14
7:08 am-8:05 am
1 stop17h 57m
Zurich
Fri 7/24
10:10 am-11:53 pm
1 stop20h 43m
$957
Quickest round-trip
St. LouisZurich
STL - ZRH
STLZRH
Lambert-St Louis
Tue 7/14
9:20 am-7:45 am
1 stop15h 25m
Zurich
Fri 7/24
9:50 am-9:26 pm
1 stop18h 36m
$957
St. LouisZurich
STL - ZRH
STLZRH
Lambert-St Louis
Wed 7/22
12:23 pm-8:15 am
1 stop12h 52m
Zurich
Thu 7/30
9:50 am-12:11 pm
1 stop33h 21m
$962
St. LouisZurich
STL - ZRH
STLZRH
Lambert-St Louis
Thu 8/13
8:00 am-6:10 am
1 stop15h 10m
Zurich
Sat 8/22
1:25 pm-12:02 pm
2 stops29h 37m
$966
St. LouisZurich
STL - ZRH
STLZRH
Lambert-St Louis
Fri 7/17
9:20 am-8:05 am
2 stops15h 45m
Zurich
Wed 7/22
10:10 am-11:44 pm
1 stop20h 34m
$1,021
Cheapest one-way
St. LouisZurich
STL - ZRH
STLZRH
Lambert-St Louis
Tue 9/29
9:35 pm-10:35 pm
1 stop18h 00m
$382
St. LouisZurich
STL - ZRH
STLZRH
Lambert-St Louis
Tue 9/29
12:10 pm-11:45 am
2 stops16h 35m
$391
Showing 1-10 of 19 resultsSorted by cheapest first
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.
STL-ZRH
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
STL-IN9
STL-ZRH
How much does it cost to fly round-trip from St. Louis to Interlaken?
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 June 8, 2026.
Read reviews from past customers who have flown United Airlines,American Airlines, andAir Canada from St. Louis to Interlaken. 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.
Crew
8.1
Comfort
7.3
Food
6.6
Boarding
7.7
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Crew
8.1
Comfort
7.3
Food
6.6
Boarding
7.7
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Crew
8.1
Comfort
7.3
Food
6.6
Boarding
7.7
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Crew
8.1
Comfort
7.3
Food
6.6
Boarding
7.7
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Crew
8.1
Comfort
7.3
Food
6.6
Boarding
7.7
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Crew
8.1
Comfort
7.3
Food
6.6
Boarding
7.7
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
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.
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from St. Louis
Popular flights
Top destinations
Alternative routes for St. Louis to Interlaken
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Interlaken by adding a car rental and/or hotel reservation to your travel itinerary.
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.
St. Louis and Interlaken flights
Browse other St. Louis and Interlaken flight options. Last updated on June 8, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on June 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
St. Louis to Interlaken flights
Consider these flights traveling from St. Louis to Interlaken.
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 June 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$455 | Average$1,154 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$460 | Average$778 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$501 | Average$858 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$503 | Average$1,064 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$526 | Average$1,033 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$679 | Average$974 | FlexibilityNo cancel fee | On-time67% |