HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Interlaken

$609+ Cheap flights from Ontario (ONT) 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ZRH
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario 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 Ontario to Interlaken

Keep the following information in mind while searching for Ontario to Interlaken flight deals. Data was last updated October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$893
(United Airlines)

One-way from

$609
(American Airlines)

Popular in

December

Cheapest in

October

Average price

$729
Provider with most accurate pricing for Los Angeles-Zurich flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Zurich flights.
Search Deals
From Ontario to Interlaken
Search Deals
One-way flight from Ontario to Interlaken
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($82 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find flight deals from Ontario to Interlaken

Cheapest flights from Ontario to Interlaken
Explore the most affordable flight options available from Ontario to Interlaken. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2025.

This KLM deal was found by Cheapflights users on 10/14. 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 12/712:12 pmONT - ZRH
2 stops16h 18mKLM
Tue 12/236:50 amZRH - ONT
2 stops18h 22mKLM
Deal found 10/14$902
This Orbitz deal was found by Cheapflights users on 10/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/176:00 amONT - ZRH
2 stops24h 40mMultiple Airlines
Fri 1/164:50 pmZRH - ONT
2 stops36h 46mMultiple Airlines
Deal found 10/13$976
This United Airlines deal was found by Cheapflights users on 10/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/261:29 pmONT - ZRH
2 stops38h 26mUnited Airlines
Wed 10/299:40 amZRH - ONT
1 stop20h 51mUnited Airlines
Deal found 10/12$983
This Delta deal was found by Cheapflights users on 10/14. 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.
Sat 12/1312:12 pmONT - ZRH
2 stops16h 18mDelta
Mon 1/126:50 amZRH - ONT
2 stops18h 29mDelta
Deal found 10/14$1,012
This Kiwi.com deal was found by Cheapflights users on 10/13. 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.
Mon 10/206:05 amONT - ZRH
1 stop23h 50mMultiple Airlines
Thu 1/1511:00 amZRH - ONT
2 stops19h 21mMultiple Airlines
Deal found 10/13$1,018
This Expedia deal was found by Cheapflights users on 10/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/267:21 pmONT - ZRH
2 stops34h 59mMultiple Airlines
Wed 12/34:50 pmZRH - ONT
2 stops39h 39mMultiple Airlines
Deal found 10/12$1,023
This Kiwi.com deal was found by Cheapflights users on 10/13. 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.
Mon 10/206:05 amONT - ZRH
1 stop23h 50mMultiple Airlines
Tue 1/1311:00 amZRH - ONT
2 stops36h 33mMultiple Airlines
Deal found 10/13$1,033
This Icelandair deal was found by Cheapflights users on 10/12. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1911:15 amONT - ZRH
2 stops15h 50mMultiple Airlines
Sun 11/231:00 pmZRH - ONT
2 stops19h 55mMultiple Airlines
Deal found 10/12$1,036
This United Airlines deal was found by Cheapflights users on 10/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:00 amONT - ZRH
1 stop15h 55mUnited Airlines
Mon 12/151:15 pmZRH - ONT
1 stop18h 34mUnited Airlines
Deal found 10/12$1,043

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario 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 October 14, 2025.
Use the filters below to find and compare flights from Ontario to Interlaken that are best for you.

Fly from

Ontario

Fly to

Interlaken

Route

Depart

Return

Price

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Sun 12/7

12:12 pm-1:30 pm

2 stops16h 18m

Zurich

Tue 12/23

6:50 am-4:12 pm

2 stops18h 22m

$906

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Wed 11/26

7:21 pm-3:20 pm

2 stops34h 59m

Zurich

Wed 12/3

4:50 pm-11:29 pm

2 stops39h 39m

$1,023

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Sat 3/7

11:00 am-12:05 pm

2 stops16h 05m

Zurich

Sat 3/21

1:00 pm-10:38 pm

2 stops17h 38m

$1,048

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Sat 1/24

6:00 am-10:25 am

2 stops19h 25m

Zurich

Sat 1/31

1:20 pm-10:53 pm

2 stops18h 33m

$1,081

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Wed 3/4

6:00 am-11:55 am

2 stops20h 55m

Zurich

Sun 3/8

9:40 am-9:15 pm

1 stop20h 35m

$1,089

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Thu 3/12

1:00 pm-1:15 pm

2 stops16h 15m

Zurich

Thu 3/19

6:50 am-4:19 pm

2 stops17h 29m

$1,091

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Wed 12/3

1:50 pm-3:30 pm

1 stop16h 40m

Zurich

Wed 12/17

1:15 pm-10:49 pm

1 stop18h 34m

$1,093

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Wed 3/4

1:00 pm-5:50 pm

2 stops19h 50m

Zurich

Sun 3/8

6:50 am-8:14 pm

2 stops22h 24m

$1,106

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Sun 12/14

7:05 am-8:15 am

2 stops16h 10m

Zurich

Mon 1/12

6:50 am-4:19 pm

2 stops18h 29m

$1,107

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Tue 3/3

11:05 am-3:30 pm

2 stops19h 25m

$609

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 15 results
1
2

Best time to book a flight from Ontario to Interlaken

Have a flexible travel schedule? Discover the best time to fly to Interlaken from Ontario 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 Ontario to Interlaken

What is the cheapest month to book a flight from Ontario to Interlaken?

Currently, January is the cheapest month in which you can book a flight from Ontario to Interlaken (average of $224). Flying from Ontario to Interlaken in June is currently the most expensive (average of $696). 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 ONT to IN9?

Find hourly flight availability from Ontario 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 October 14, 2025.

One of the essential ways to save on airfare from Ontario to Interlaken is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 27% on airfare.

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 October 14, 2025.
Get a feel of what it's like to fly with United Airlines from Ontario to Interlaken by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,974 reviews

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,974 reviews
United Airlines
7.4
Good
8,974 reviews

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Ontario 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 Ontario to Interlaken?

    Located just 3.1 mi from the city center, Ontario is the airport most travelers will use when flying to Interlaken from Ontario. Booking flights from Ontario (ONT) to Interlaken should be relatively easy as there are 0 daily outbound flights to Interlaken from 2 different airlines.

  • How long is the flight from Ontario to Interlaken?

    There are many flights that can get you from Ontario to Interlaken in 15h 45m. Fly via KLM or United Airlines to get the fastest option. The distance between Ontario and Interlaken is about 5889 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Ontario to Interlaken one-way?

    The cheapest airlines for a one-way flight from Ontario to Interlaken are American Airlines ($609), British Airways ($751), and United Airlines ($784).

  • Can I find deals for flights from Ontario to Interlaken that include hotel bookings?

    Yes. In addition to deals on Ontario to Interlaken flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Interlaken?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Interlaken.

  • Can I find deals for business class flights from Ontario to Interlaken?

    Yes. Cheapflights offers flight deals from Ontario 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 Ontario to Interlaken?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Interlaken (average of $224). Flying from Ontario to Interlaken in June is currently the most expensive (average of $696). 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

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 for Ontario to Interlaken

See prices for flight routes from nearby airports that may be better suited for you.
San Francisco to Zurich flights
Los Angeles to Zurich flights
San Francisco to Basel flights
San Francisco to Geneva flights
Ontario to Zurich flights
Los Angeles to Basel flights
Santa Ana to Zurich flights
Los Angeles to Geneva flights
San Diego to Zurich flights
Santa Ana to Basel flights
San Jose to Zurich flights
Oakland to Zurich flights
San Diego to Basel flights
Burbank to Zurich flights
Las Vegas to Zurich flights
San Jose to Geneva flights
Santa Ana to Geneva flights
Ontario to Geneva flights
Reno to Zurich flights
San Diego to Geneva flights
Sacramento to Zurich flights
Reno to Geneva flights
Las Vegas to Basel flights
Oakland to Geneva flights
Long Beach to Zurich flights
Burbank to Geneva flights
Sacramento to Geneva flights
Las Vegas to Geneva flights
Sacramento to Basel flights
Medford to Zurich flights
Fresno to Geneva flights
San Jose to Basel flights
Santa Rosa to Zurich flights
Palm Springs to Zurich flights
Oakland to Basel flights
Santa Barbara to Zurich flights
Monterey to Zurich flights
Long Beach to Geneva flights
San Francisco to Lugano flights
Monterey to Geneva flights
Arcata to Zurich flights
San Francisco to Bern flights
San Francisco to Thal flights
San Jose to Lugano flights
San Diego to Lugano flights

Top 2 airlines flying from Ontario to Interlaken

Discover the top 2 airlines that operate flights from Ontario 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 October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$552Average$992FlexibilityNo cancel feeOn-time69%
SWISSCheapest$677Average$699FlexibilityNo cancel feeOn-time79%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.