HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$588+ Cheap flights from Switzerland to Ontario (ONT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
ZRH — ONT
jun. 21 — jun. 281
sáb. 6/21
sáb. 6/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Switzerland to Ontario 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 Switzerland to Ontario

Keep the following information in mind while searching for Switzerland to Ontario flight deals. Data was last updated junio 16, 2025.

Round-trip from

$591
(American Airlines)

Popular in

December

Cheapest in

February

Average price

$800
From Switzerland to Ontario
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Switzerland to Ontario

Cheapest flights from Switzerland to Ontario
Explore the most affordable flight options available from Switzerland to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 16, 2025.

This American Airlines deal was found by Cheapflights users on 6/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/1610:15 amZRH - ONT
2 stops20h 22mAmerican Airlines
lun. 1/58:47 amONT - ZRH
2 stops17h 53mAmerican Airlines
Deal found 6/15$588
This Delta deal was found by Cheapflights users on 6/15. 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.
lun. 10/1310:10 amZRH - ONT
1 stop18h 32mDelta
dom. 10/267:00 amONT - ZRH
2 stops19h 30mDelta
Deal found 6/15$610
This British Airways deal was found by Cheapflights users on 6/15. 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.
mar. 8/197:00 amGVA - ONT
2 stops19h 52mBritish Airways
jue. 9/410:55 amONT - GVA
2 stops18h 10mBritish Airways
Deal found 6/15$626
This British Airways deal was found by Cheapflights users on 6/15. 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.
dom. 10/127:40 pmZRH - ONT
2 stops37h 22mBritish Airways
sáb. 10/2511:59 pmONT - ZRH
2 stops38h 01mBritish Airways
Deal found 6/15$629
This lastminute.com deal was found by Cheapflights users on 6/15. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/1211:15 amBSL - ONT
2 stops19h 26mBritish Airways
mié. 11/265:01 pmONT - BSL
2 stops16h 39mBritish Airways
Deal found 6/15$637
This Iberia deal was found by Cheapflights users on 6/16. 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.
jue. 9/1111:50 amZRH - ONT
2 stops21h 27mIberia
jue. 9/2510:55 amONT - ZRH
2 stops26h 25mIberia
Deal found 6/16$676
This United Airlines deal was found by Cheapflights users on 6/15. 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.
vie. 8/158:15 amZRH - ONT
2 stops18h 10mUnited Airlines
vie. 8/226:00 amONT - ZRH
1 stop19h 20mUnited Airlines
Deal found 6/15$714
This United Airlines deal was found by Cheapflights users on 6/16. 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.
mié. 7/27:30 amGVA - ONT
3 stops23h 36mUnited Airlines
dom. 7/66:39 pmONT - GVA
3 stops28h 01mUnited Airlines
Deal found 6/16$716
This Air Canada deal was found by Cheapflights users on 6/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/1112:45 pmZRH - ONT
2 stops18h 46mMultiple Airlines
mar. 11/257:00 amONT - ZRH
2 stops18h 25mMultiple Airlines
Deal found 6/14$752
This United Airlines deal was found by Cheapflights users on 6/16. 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.
lun. 11/177:00 amBSL - ONT
2 stops19h 34mUnited Airlines
jue. 11/276:38 pmONT - BSL
2 stops16h 02mUnited Airlines
Deal found 6/16$769
This CheapTickets.ch deal was found by Cheapflights users on 6/15. 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 CheapTickets.ch is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/231:35 pmZRH - ONT
1 stop15h 58mAustrian Airlines
jue. 11/67:00 amONT - ZRH
1 stop15h 55mAustrian Airlines
Deal found 6/15$774
This Iberia deal was found by Cheapflights users on 6/15. 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.
mié. 8/2012:30 pmGVA - ONT
2 stops19h 18mIberia
dom. 8/312:31 pmONT - GVA
2 stops20h 29mIberia
Deal found 6/15$790

Cheapflights Fare Finder

Customize your flight search to find flights from Switzerland to Ontario 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 junio 16, 2025.
Use the filters below to find and compare flights from Switzerland to Ontario that are best for you.

Fly from

Switzerland

Fly to

Ontario

Route

Depart

Return

Price

ZurichOntario

ZRH - ONT

ZRHONT

Zurich

lun. 10/13

7:15 am-8:37 am

2 stops34h 22m

Ontario

lun. 10/27

11:59 pm-6:15 pm

2 stops34h 16m

$591

ZurichOntario

ZRH - ONT

ZRHONT

Zurich

lun. 10/13

10:10 am-7:42 pm

1 stop18h 32m

Ontario

dom. 10/26

7:00 am-10:30 am

2 stops19h 30m

$610

GenevaOntario

GVA - ONT

GVAONT

Geneva Geneve-Cointrin

mar. 8/19

7:00 am-5:52 pm

2 stops19h 52m

Ontario

jue. 9/4

10:55 am-2:05 pm

2 stops18h 10m

$626

ZurichOntario

ZRH - ONT

ZRHONT

Zurich

dom. 10/12

7:40 pm-12:02 am

2 stops37h 22m

Ontario

lun. 10/27

3:00 pm-6:15 pm

2 stops19h 15m

$629

BaselOntario

BSL - ONT

BSLONT

Basel EuroAirport Swiss

mié. 11/12

11:15 am-9:41 pm

2 stops19h 26m

Ontario

mié. 11/26

5:01 pm-6:40 pm

2 stops16h 39m

$637

ZurichOntario

ZRH - ONT

ZRHONT

Zurich

jue. 9/11

11:50 am-12:17 am

2 stops21h 27m

Ontario

jue. 9/25

10:55 am-10:20 pm

2 stops26h 25m

$676

ZurichOntario

ZRH - ONT

ZRHONT

Zurich

vie. 8/15

11:20 am-10:52 pm

2 stops20h 32m

Ontario

vie. 8/22

5:10 am-7:45 am

2 stops17h 35m

$714

GenevaOntario

GVA - ONT

GVAONT

Geneva Geneve-Cointrin

mié. 7/2

7:30 am-10:06 pm

3 stops23h 36m

Ontario

dom. 7/6

6:39 pm-7:40 am

3 stops28h 01m

$716

ZurichOntario

ZRH - ONT

ZRHONT

Zurich

mar. 11/11

12:45 pm-10:31 pm

2 stops18h 46m

Ontario

mar. 11/25

7:00 am-10:25 am

2 stops18h 25m

$752

BaselOntario

BSL - ONT

BSLONT

Basel EuroAirport Swiss

lun. 11/17

7:00 am-5:34 pm

2 stops19h 34m

Ontario

jue. 11/27

6:38 pm-7:40 pm

2 stops16h 02m

$769

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

Showing 1-10 of 38 results
1
2
3
4

Best time to book a flight from Switzerland to Ontario

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

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

Currently, August is the cheapest month in which you can book a flight from Switzerland to Ontario (average of $246). Flying from Switzerland to Ontario in March is currently the most expensive (average of $328). 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.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated junio 16, 2025.
Read reviews from past customers who have flown Delta, Austrian Airlines and SWISS from Switzerland to Ontario. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,963 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,963 reviews
Delta
8.0
Very good
7,963 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
804 reviews
Delta
8.0
Very good
7,963 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,628 reviews
Delta
8.0
Very good
7,963 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,801 reviews
Delta
8.0
Very good
7,963 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,963 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Switzerland to Ontario. 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 into for flights to Ontario from Switzerland?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly into when you book flights from Switzerland to Ontario.

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

    $816 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on Iberia and American Airlines, with prices starting from $829 and $833, respectively.

  • What are the most popular routes from Switzerland to Ontario?

    Most travelers choose Zurich - Ontario, Geneva Geneve-Cointrin - Ontario or Basel EuroAirport Swiss - Ontario when deciding on the best route from Switzerland to Ontario.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Switzerland to Ontario (average of $246). Flying from Switzerland to Ontario in March is currently the most expensive (average of $328). 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 Switzerland to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Charles de Gaulle to Los Angeles flights
Heathrow to Los Angeles flights
Charles de Gaulle to San Francisco flights
Heathrow to San Francisco flights
Orly to Los Angeles flights
Frankfurt to San Francisco flights
Frankfurt to Los Angeles flights
Charles de Gaulle to Burbank flights
Munich to Los Angeles flights
Beauvais-Tille to Los Angeles flights
Heathrow to Las Vegas flights
Orly to San Francisco flights
Barcelona-El Prat to Los Angeles flights
Vienna to Los Angeles flights
London City to Los Angeles flights
Frankfurt to Ontario flights
Frankfurt to Las Vegas flights
Frankfurt to Long Beach flights
Amsterdam to Los Angeles flights
Charles de Gaulle to Long Beach flights
Gatwick to Los Angeles flights
Frankfurt to Santa Ana flights
Leonardo da Vinci/Fiumicino to Los Angeles flights
Gatwick to San Francisco flights
Malpensa to Los Angeles flights
London City to San Francisco flights
Frankfurt to San Jose flights
Madrid to Los Angeles flights
Zurich to Los Angeles flights
Barcelona-El Prat to San Francisco flights
Munich to San Francisco flights
Charles de Gaulle to Las Vegas flights
Amsterdam to Las Vegas flights
Linate to Los Angeles flights
Leonardo da Vinci/Fiumicino to San Francisco flights
Charles de Gaulle to Oakland flights
Orly to Las Vegas flights
Luton to Los Angeles flights
Heathrow to Ontario flights
Zurich to San Francisco flights
Frederic Chopin to Los Angeles flights
Frankfurt-Hahn to Los Angeles flights
Amsterdam to San Francisco flights
Leonardo da Vinci/Fiumicino to Ontario flights
Istanbul to San Francisco flights

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.