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 British Airways ($503), Iberia ($561), and American Airlines ($621).

What is the cheapest day to fly from Ontario to Interlaken?

Travelers seeking maximum savings on their Ontario to Interlaken flight should consider departing on Saturday at noon when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

How far in advance should I book a flight from Ontario to Interlaken?

Users have found that booking a flight from Ontario to Interlaken at least 45 days early can save you up to 6% on average compared to booking a flight this week. If booking 45 days before your flight isn’t an option for you, users have found flights from Ontario to Interlaken for as little as $866 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,464 for flights departing within the next 3 days.

What is the cheapest month to fly from Ontario to Interlaken?

Our data shows that February tends to be the cheapest month to fly to Interlaken from Ontario. Users have commonly found prices around $990 for the month, but tickets can be as low as $477. Due to multiple factors, prepare for potentially higher prices in June.

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.

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.

$503+ Flights from Ontario to Interlaken - Compare & Save Big

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Cheap flight deals from Ontario to Interlaken

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$701 (United Airlines)
One-way from	$503 (British Airways)
Popular in	June
Cheapest in	February
Average price	$1,074

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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. 19% potential increase in price ($233 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).

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Average for round-trip flights in May 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 May 1, 2025.

Tue 10/283:15 pmONT - ZRH

1 stop16h 15mUnited Airlines

Tue 11/111:15 pmZRH - ONT

1 stop18h 20mUnited Airlines

Deal found 5/1

$701

Wed 10/17:00 amONT - ZRH

1 stop16h 05mDelta

Fri 10/1710:10 amZRH - ONT

1 stop18h 32mDelta

Deal found 4/30

$786

Wed 5/141:14 pmONT - ZRH

2 stops21h 36mMultiple Airlines

Wed 5/2111:50 amZRH - ONT

2 stops20h 53mMultiple Airlines

Deal found 4/30

$858

Sat 7/196:39 pmONT - ZRH

2 stops31h 46mAir Canada

Thu 7/3112:40 pmZRH - ONT

2 stops41h 14mAir Canada

Deal found 4/30

$968

Mon 12/158:48 amONT - ZRH

2 stops25h 07mIberia

Sat 1/102:55 pmZRH - ONT

2 stops31h 53mIberia

Deal found 5/1

$1,148

Sat 7/196:53 pmONT - ZRH

2 stops28h 57mAmerican Airlines

Fri 8/111:45 amZRH - ONT

2 stops33h 15mAmerican Airlines

Deal found 4/30

$1,176

Best flights from Ontario to Interlaken
Discover carefully curated flight deals from Ontario to Interlaken that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2025.

Tue 10/283:15 pmONT - ZRH

1 stop16h 15mUnited Airlines

Tue 11/111:15 pmZRH - ONT

1 stop18h 20mUnited Airlines

Deal found 5/1

$701

Wed 10/17:00 amONT - ZRH

1 stop16h 05mDelta

Fri 10/1710:10 amZRH - ONT

1 stop18h 32mDelta

Deal found 4/30

$786

Wed 5/141:14 pmONT - ZRH

2 stops21h 36mMultiple Airlines

Wed 5/2111:50 amZRH - ONT

2 stops20h 53mMultiple Airlines

Deal found 4/30

$858

Sat 7/196:39 pmONT - ZRH

2 stops31h 46mAir Canada

Thu 7/3112:40 pmZRH - ONT

2 stops41h 14mAir Canada

Deal found 4/30

$968

Sat 7/196:53 pmONT - ZRH

2 stops28h 57mAmerican Airlines

Fri 8/111:45 amZRH - ONT

2 stops33h 15mAmerican Airlines

Deal found 4/30

$1,176

Fri 5/162:44 pmONT - ZRH

2 stops19h 16mIberia

Wed 5/2111:50 amZRH - ONT

2 stops20h 53mIberia

Deal found 5/1

$1,275

Thu 7/174:45 pmONT - ZRH

2 stops16h 30mBritish Airways

Sun 7/271:20 pmZRH - ONT

2 stops17h 18mBritish Airways

Deal found 4/30

$2,109

Last-minute flights from Ontario to Interlaken
Discover last-minute flight deals from Ontario to Interlaken. Data last updated May 1, 2025 and is based on user searches.

Wed 5/76:15 amONT - ZRH

2 stops17h 35mAmerican Airlines

Sun 5/187:45 amZRH - ONT

2 stops23h 12mAmerican Airlines

Deal found 5/1

$1,404

Wed 5/71:45 pmONT - ZRH

3 stops60h 55mUnited Airlines

Sun 5/189:50 amZRH - ONT

2 stops20h 03mUnited Airlines

Deal found 5/1

$1,499

Wed 5/77:05 amONT - ZRH

1 stop16h 00mDelta

Sun 5/1810:10 amZRH - ONT

1 stop21h 19mDelta

Deal found 5/1

$2,251

Wed 5/75:05 amONT - ZRH

3 stops21h 35mAir Canada

Sun 5/183:35 pmZRH - ONT

3 stops30h 03mAir Canada

Deal found 5/1

$2,272

Sun 5/1111:46 amONT - ZRH

2 stops16h 19mMultiple Airlines

Mon 6/92:00 pmZRH - ONT

2 stops18h 55mMultiple Airlines

Deal found 4/30

$6,322

Wed 5/143:10 pmONT - ZRH

1 stop15h 40mUnited Airlines

Wed 5/211:10 pmZRH - ONT

1 stop16h 24mUnited Airlines

Deal found 4/30

$836

Wed 5/141:14 pmONT - ZRH

2 stops21h 36mMultiple Airlines

Wed 5/2111:50 amZRH - ONT

2 stops20h 53mMultiple Airlines

Deal found 4/30

$858

Thu 5/155:05 amONT - ZRH

3 stops21h 35mAir Canada

Thu 5/2212:05 pmZRH - ONT

3 stops33h 26mAir Canada

Deal found 5/1

$1,787

Fri 5/162:44 pmONT - ZRH

2 stops19h 16mIberia

Wed 5/2111:50 amZRH - ONT

2 stops20h 53mIberia

Deal found 5/1

$1,275

One-way flights from Ontario to Interlaken
Search for one-way flight options from Ontario to Interlaken. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

Tue 9/22:57 pmONT - ZRH

2 stops18h 58mBritish Airways

Deal found 5/1

$503

Tue 9/22:59 pmONT - ZRH

2 stops18h 56mMultiple Airlines

Deal found 5/1

$523

Thu 8/212:59 pmONT - ZRH

2 stops19h 01mIberia

Deal found 4/30

$561

Tue 8/54:45 pmONT - ZRH

2 stops20h 50mAmerican Airlines

Deal found 4/30

$621

Sun 7/277:00 amONT - ZRH

1 stop15h 45mUnited Airlines

Deal found 5/1

$638

Tue 8/55:05 amONT - ZRH

2 stops20h 05mAir Canada

Deal found 4/30

$645

Mon 6/3010:05 pmONT - ZRH

1 stop25h 00mDelta

Deal found 4/30

$1,588

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Interlaken that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Tue 10/28

3:15 pm-3:30 pm

1 stop16h 15m

Zurich

Tue 11/11

1:15 pm-10:35 pm

1 stop18h 20m

$701

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Wed 10/1

7:00 am-8:05 am

1 stop16h 05m

Zurich

Fri 10/17

10:10 am-7:42 pm

1 stop18h 32m

$786

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Wed 5/14

1:14 pm-7:50 pm

2 stops21h 36m

Zurich

Wed 5/21

11:50 am-11:43 pm

2 stops20h 53m

$858

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Sat 7/19

6:39 pm-11:25 am

2 stops31h 46m

Zurich

Thu 7/31

12:40 pm-8:54 pm

2 stops41h 14m

$968

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Sat 7/19

6:53 pm-8:50 am

2 stops28h 57m

Zurich

Fri 8/1

11:45 am-12:00 pm

2 stops33h 15m

$1,176

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Fri 5/16

2:44 pm-7:00 pm

2 stops19h 16m

Zurich

Wed 5/21

11:50 am-11:43 pm

2 stops20h 53m

$1,275

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Thu 7/17

4:45 pm-6:15 pm

2 stops16h 30m

Zurich

Sun 7/27

1:20 pm-9:38 pm

2 stops17h 18m

$2,109

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Tue 9/2

2:57 pm-6:55 pm

2 stops18h 58m

$503

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Tue 9/2

2:59 pm-6:55 pm

2 stops18h 56m

$523

OntarioZurich

ONT - ZRH

ONTZRH

Ontario

Thu 8/21

2:59 pm-7:00 pm

2 stops19h 01m

$561

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

Showing 1-10 of 14 results

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 $1,234). 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?

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.

Rainfall in Interlaken by month

In terms of precipitation, rainfall in Interlaken ranges from 2.5 - 5.0 inches per month. June is typically the wettest month, when rainfall can reach 5.0 in. January is typically the driest time to visit Interlaken when rainfall is around 2.5 in.

Temperature in Interlaken by month

If weather is an important factor for your trip to Interlaken, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Interlaken

Peruse reviews from past customers who have flown with Delta, United Airlines and American Airlines from Ontario to Interlaken to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,934 reviews

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

7,934 reviews

Delta

8.0

Very good

7,934 reviews

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

8,696 reviews

Delta

8.0

Very good

7,934 reviews

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

7,934 reviews

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

7.0

Good

9,254 reviews

Delta

8.0

Very good

7,934 reviews

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

2,701 reviews

Delta

8.0

Very good

7,934 reviews

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

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.
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 British Airways ($503), Iberia ($561), and American Airlines ($621).
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 $1,234). 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

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Top 2 airlines flying from Ontario to Interlaken

Airline	Cheapest	Average	Flexibility	On-time
SWISS	Cheapest$677	Average$777	FlexibilityNo cancel fee	On-time79%
United Airlines	Cheapest$771	Average$1,277	FlexibilityNo cancel fee	On-time69%

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$503+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.

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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 May 1, 2025.

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Round-trip from

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Find flight deals from Ontario to Interlaken

Cheapest flights from Ontario to InterlakenExplore 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 May 1, 2025.

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 May 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Interlaken that are best for you.

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.

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?

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 May 1, 2025.

Rainfall in Interlaken by month

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

Temperature in Interlaken by month

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

Reviews of airlines servicing Interlaken

Peruse reviews from past customers who have flown with Delta, United Airlines and American Airlines from Ontario to Interlaken to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

How can I find direct flights from Ontario to Interlaken?

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

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

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.

Top 2 airlines flying from Ontario to Interlaken

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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 May 1, 2025.