HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Interlaken

$391+ 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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ZRH
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$645
(United Airlines)

One-way from

$391
(flugladen.de)

Popular in

December

Cheapest in

February

Average price

$1,101
From Ontario to Interlaken
Search Deals
One-way flight from Ontario to Interlaken
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 3, 2025.

This United Airlines deal was found by Cheapflights users on 7/3. 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 8/47:00 amONT - ZRH
1 stop14h 10mUnited Airlines
Wed 8/201:35 pmZRH - ONT
1 stop15h 58mUnited Airlines
Deal found 7/3$645
This Air Canada deal was found by Cheapflights users on 7/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/16:38 pmONT - ZRH
2 stops26h 47mAir Canada
Wed 9/101:25 pmZRH - ONT
2 stops31h 48mAir Canada
Deal found 7/3$668
This Delta deal was found by Cheapflights users on 7/2. 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.
Sun 8/1710:00 pmONT - ZRH
1 stop25h 05mDelta
Tue 8/267:45 amZRH - ONT
2 stops17h 23mDelta
Deal found 7/2$685
This Iberia deal was found by Cheapflights users on 7/3. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/232:57 pmONT - ZRH
2 stops46h 23mIberia
Tue 9/27:30 amZRH - ONT
2 stops24h 18mIberia
Deal found 7/3$722

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 July 3, 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

Mon 8/4

7:00 am-6:10 am

1 stop14h 10m

Zurich

Wed 8/20

1:35 pm-8:33 pm

1 stop15h 58m

$645

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Mon 9/1

6:38 pm-6:25 am

2 stops26h 47m

Zurich

Wed 9/10

1:25 pm-12:13 pm

2 stops31h 48m

$668

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Sun 8/17

10:00 pm-8:05 am

1 stop25h 05m

Zurich

Tue 8/26

7:45 am-4:08 pm

2 stops17h 23m

$685

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Sat 8/23

2:57 pm-10:20 pm

2 stops46h 23m

Zurich

Tue 9/2

7:30 am-10:48 pm

2 stops24h 18m

$722

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Sun 12/7

6:00 am-7:30 pm

2 stops28h 30m

$391

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Sun 12/7

1:40 pm-3:30 pm

1 stop16h 50m

$489

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Wed 8/20

7:05 am-8:05 am

1 stop16h 00m

$491

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Mon 12/8

1:29 pm-6:15 am

2 stops55h 46m

$495

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Mon 8/11

2:57 pm-7:00 pm

2 stops19h 03m

$508

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Tue 8/5

4:45 pm-6:55 pm

2 stops17h 10m

$536

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 12 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, November is the cheapest month in which you can book a flight from Ontario to Interlaken (average of $637). Flying from Ontario to Interlaken in June is currently the most expensive (average of $1,158). 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 July 3, 2025.

When flying from Ontario to Interlaken, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 July 3, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American 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.
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.1
Good
9,681 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Iberia
7.0
Good
2,820 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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 Delta ($491), United Airlines ($492), and Air Canada ($497).

  • 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, November is the cheapest month in which you can book a flight from Ontario to Interlaken (average of $637). Flying from Ontario to Interlaken in June is currently the most expensive (average of $1,158). 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
Ontario to Zurich flights
Santa Ana to Zurich flights
Burbank to Zurich flights
San Jose to Zurich flights
San Francisco to Geneva flights
Oakland to Zurich flights
Los Angeles to Geneva flights
San Diego to Zurich flights
Las Vegas to Zurich flights
Los Angeles to Basel flights
San Francisco to Basel flights
Sacramento to Geneva flights
Fresno to Geneva flights
Sacramento to Zurich flights
Las Vegas to Geneva flights
Ontario to Geneva flights
San Jose to Geneva flights
Palm Springs to Zurich flights
San Diego to Geneva flights
Oakland to Geneva flights
Santa Ana to Geneva flights
Monterey to Zurich flights
Santa Ana to Basel flights
San Jose to Basel flights
San Diego to Basel flights
Reno to Geneva flights
Reno to Zurich flights
Santa Barbara to Zurich flights
Long Beach to Zurich flights
Burbank to Geneva flights
Arcata to Zurich flights
Medford to Zurich flights
Sacramento to Basel flights
Monterey to Geneva flights
Long Beach to Geneva flights
Oakland to Basel flights
Las Vegas to Basel flights
Santa Rosa to Zurich flights
San Francisco to Lugano flights
San Francisco to Bern flights
San Francisco to Thal flights
San Diego to Lugano flights
San Jose to Lugano flights
Oakland to Lugano flights

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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
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.