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Interlaken

$449+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ZRH
Nov 25 — Dec 21
Tue 11/25
Tue 12/2
1 adult, Economy
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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 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$943
(United Airlines)

One-way from

$449
(Trip.com)

Popular in

December

Cheapest in

October

Average price

$729
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From Ontario to Interlaken
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One-way flight from Ontario to Interlaken
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Highest demand for flights based on searches. 8% potential increase in price ($77 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 26, 2025.

This United Airlines deal was found by Cheapflights users on 10/26. 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 10/307:00 amONT - ZRH
1 stop19h 40mUnited Airlines
Sat 11/110:15 amZRH - ONT
2 stops40h 19mUnited Airlines
Deal found 10/26$1,231
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/257:00 amONT - ZRH
1 stop18h 40mUnited Airlines
Tue 12/21:15 pmZRH - ONT
1 stop18h 34mUnited Airlines
Deal found 10/26$1,253
This United Airlines deal was found by Cheapflights users on 10/26. 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 12/126:00 amONT - ZRH
1 stop24h 30mUnited Airlines
Mon 12/291:15 pmZRH - ONT
1 stop18h 26mUnited Airlines
Deal found 10/26$1,570
This United Airlines deal was found by Cheapflights users on 10/25. 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 11/247:00 amONT - ZRH
1 stop15h 55mUnited Airlines
Mon 12/11:15 pmZRH - ONT
1 stop18h 36mUnited Airlines
Deal found 10/25$1,583
This Air Canada deal was found by Cheapflights users on 10/25. 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.
Thu 11/207:00 amONT - ZRH
2 stops18h 25mMultiple Airlines
Tue 12/21:00 pmZRH - ONT
2 stops18h 49mMultiple Airlines
Deal found 10/25$1,671
This KLM deal was found by Cheapflights users on 10/25. 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 11/167:05 amONT - ZRH
2 stops16h 10mKLM
Sat 11/296:50 amZRH - ONT
2 stops18h 19mKLM
Deal found 10/25$1,684
This KLM deal was found by Cheapflights users on 10/25. 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.
Thu 12/257:05 amONT - ZRH
2 stops16h 10mKLM
Tue 12/306:50 amZRH - ONT
2 stops18h 22mKLM
Deal found 10/25$1,717
This United Airlines deal was found by Cheapflights users on 10/25. 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 11/216:05 amONT - ZRH
2 stops17h 35mUnited Airlines
Wed 11/261:10 pmZRH - ONT
1 stop18h 21mUnited Airlines
Deal found 10/25$1,728
This KLM deal was found by Cheapflights users on 10/25. 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.
Sat 11/157:05 amONT - ZRH
2 stops16h 10mKLM
Sat 11/296:50 amZRH - ONT
2 stops18h 19mKLM
Deal found 10/25$1,734
This United Airlines deal was found by Cheapflights users on 10/25. 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 11/207:00 amONT - ZRH
1 stop18h 40mUnited Airlines
Tue 12/29:40 amZRH - ONT
2 stops22h 09mUnited Airlines
Deal found 10/25$1,773
This United Airlines deal was found by Cheapflights users on 10/24. 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 11/47:00 amONT - ZRH
1 stop15h 55mUnited Airlines
Tue 11/189:40 amZRH - ONT
1 stop17h 56mUnited Airlines
Deal found 10/24$1,793

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 26, 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

Fri 4/24

7:00 am-6:10 am

1 stop14h 10m

Zurich

Fri 5/8

1:35 pm-8:35 pm

1 stop16h 00m

$943

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Wed 3/11

11:30 am-12:05 pm

2 stops16h 35m

Zurich

Sun 3/15

1:00 pm-10:37 pm

2 stops17h 37m

$956

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Thu 4/2

7:00 am-10:50 am

1 stop18h 50m

Zurich

Sun 4/12

1:05 pm-10:26 pm

1 stop18h 21m

$993

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Sat 1/24

6:00 am-10:25 am

2 stops19h 25m

Zurich

Mon 2/9

1:20 pm-10:53 pm

2 stops18h 33m

$1,006

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Thu 4/2

10:40 am-4:10 pm

2 stops20h 30m

Zurich

Sat 4/11

11:20 am-8:17 pm

2 stops17h 57m

$1,006

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Fri 4/24

7:00 am-10:20 am

2 stops18h 20m

Zurich

Fri 5/8

12:40 pm-10:26 pm

2 stops18h 46m

$1,075

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Wed 3/4

6:00 am-11:55 am

2 stops20h 55m

Zurich

Sun 3/8

1:15 pm-10:37 pm

1 stop17h 22m

$1,090

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Tue 3/3

11:05 am-3:30 pm

2 stops19h 25m

$609

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Wed 11/19

6:00 am-5:10 pm

3 stops26h 10m

$644

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Wed 12/31

6:00 am-4:45 pm

2 stops25h 45m

$784

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 19 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 $697). 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 26, 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 26, 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
8,999 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

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
8,999 reviews
United Airlines
7.4
Good
8,999 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

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 1 airline.

  • How long is the flight from Ontario to Interlaken?

    There are many flights that can get you from Ontario to Interlaken in 14h 10m. Fly via United Airlines to get the fastest option. The distance between Ontario and Interlaken is about 5889 mi.

  • 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), United Airlines ($784), and British Airways ($785).

  • 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 $697). 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 airline flying from Ontario to Interlaken

Discover the top airline 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 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$677Average$699FlexibilityNo cancel feeOn-time79%

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