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$623+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
ZRH — ONT
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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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 April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$623
(British Airways)

Popular in

July

Cheapest in

February

Average price

$791
Provider with most accurate pricing for Zurich-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Zurich-Los Angeles flights.
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From Switzerland to Ontario
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Highest demand for flights based on searches. 11% potential increase in price ($100 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 29, 2025.

This British Airways deal was found by Cheapflights users on 4/28. 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.
Mon 5/512:10 pmBSL - ONT
2 stops18h 47mBritish Airways
Sun 5/184:35 pmONT - BSL
2 stops17h 25mBritish Airways
Deal found 4/28$623
This United Airlines deal was found by Cheapflights users on 4/28. 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 6/29:50 amZRH - ONT
2 stops20h 14mUnited Airlines
Wed 6/116:41 pmONT - ZRH
2 stops31h 59mUnited Airlines
Deal found 4/28$628
This British Airways deal was found by Cheapflights users on 4/28. 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.
Mon 6/27:15 amZRH - ONT
2 stops20h 08mBritish Airways
Fri 6/1311:59 pmONT - ZRH
2 stops48h 36mBritish Airways
Deal found 4/28$664
This United Airlines deal was found by Cheapflights users on 4/28. 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 6/59:45 amBSL - ONT
2 stops21h 41mUnited Airlines
Tue 7/16:39 pmONT - BSL
2 stops15h 56mUnited Airlines
Deal found 4/28$684
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Fri 10/1711:45 amBSL - ONT
2 stops18h 55mAmerican Airlines
Sun 10/261:26 pmONT - BSL
2 stops21h 34mAmerican Airlines
Deal found 4/28$698
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/167:25 amGVA - ONT
2 stops22h 09mUnited Airlines
Fri 5/305:10 amONT - GVA
2 stops17h 20mUnited Airlines
Deal found 4/28$705
This Delta deal was found by Cheapflights users on 4/28. 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.
Wed 6/410:10 amZRH - ONT
1 stop21h 19mDelta
Mon 6/99:44 amONT - ZRH
2 stops23h 51mDelta
Deal found 4/28$748
This Iberia deal was found by Cheapflights users on 4/28. 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.
Tue 7/297:00 amGVA - ONT
2 stops24h 58mIberia
Thu 8/2110:51 amONT - GVA
2 stops17h 34mIberia
Deal found 4/28$900
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Sun 7/1311:45 amZRH - ONT
2 stops21h 09mAmerican Airlines
Thu 7/316:15 amONT - ZRH
2 stops17h 35mAmerican Airlines
Deal found 4/28$997
This Icelandair deal was found by Cheapflights users on 4/28. 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.
Thu 9/252:00 pmZRH - ONT
2 stops18h 53mMultiple Airlines
Thu 10/911:30 amONT - ZRH
2 stops16h 35mMultiple Airlines
Deal found 4/28$1,032
This British Airways deal was found by Cheapflights users on 4/28. 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.
Sat 9/611:50 amGVA - ONT
2 stops18h 50mBritish Airways
Fri 9/128:43 amONT - GVA
2 stops17h 17mBritish Airways
Deal found 4/28$1,133
This Iberia deal was found by Cheapflights users on 4/28. 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.
Fri 10/2411:50 amZRH - ONT
2 stops21h 12mIberia
Sun 11/96:38 amONT - ZRH
2 stops19h 32mIberia
Deal found 4/28$1,161

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 April 29, 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

BaselOntario

BSL - ONT

BSLONT

Basel EuroAirport Swiss

Thu 6/5

12:15 pm-9:38 pm

2 stops18h 23m

Ontario

Mon 6/30

4:50 pm-6:20 pm

2 stops16h 30m

$623

ZurichOntario

ZRH - ONT

ZRHONT

Zurich

Mon 6/2

1:05 pm-10:26 pm

1 stop18h 21m

Ontario

Wed 6/11

6:41 pm-11:40 am

2 stops31h 59m

$628

ZurichOntario

ZRH - ONT

ZRHONT

Zurich

Mon 6/2

7:15 am-6:23 pm

2 stops20h 08m

Ontario

Fri 6/13

11:59 pm-9:35 am

2 stops48h 36m

$664

BaselOntario

BSL - ONT

BSLONT

Basel EuroAirport Swiss

Thu 6/5

9:45 am-10:26 pm

2 stops21h 41m

Ontario

Tue 7/1

6:39 pm-7:35 pm

2 stops15h 56m

$684

BaselOntario

BSL - ONT

BSLONT

Basel EuroAirport Swiss

Fri 10/17

11:45 am-9:40 pm

2 stops18h 55m

Ontario

Sun 10/26

1:26 pm-7:00 pm

2 stops21h 34m

$698

GenevaOntario

GVA - ONT

GVAONT

Geneva Geneve-Cointrin

Fri 5/16

7:25 am-8:34 pm

2 stops22h 09m

Ontario

Fri 5/30

5:10 am-7:30 am

2 stops17h 20m

$705

ZurichOntario

ZRH - ONT

ZRHONT

Zurich

Wed 6/4

10:10 am-10:29 pm

1 stop21h 19m

Ontario

Mon 6/9

9:44 am-6:35 pm

2 stops23h 51m

$748

GenevaOntario

GVA - ONT

GVAONT

Geneva Geneve-Cointrin

Tue 7/29

7:00 am-10:58 pm

2 stops24h 58m

Ontario

Thu 8/21

10:51 am-1:25 pm

2 stops17h 34m

$900

ZurichOntario

ZRH - ONT

ZRHONT

Zurich

Tue 5/20

2:00 pm-10:46 pm

2 stops17h 46m

Ontario

Thu 5/29

11:51 am-1:05 pm

2 stops16h 14m

$984

ZurichOntario

ZRH - ONT

ZRHONT

Zurich

Sun 7/13

11:45 am-11:54 pm

2 stops21h 09m

Ontario

Thu 7/31

6:15 am-8:50 am

2 stops17h 35m

$997

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 28 results
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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 April 29, 2025.
Read reviews from past customers who have flown Delta, United Airlines and American Airlines 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
7,929 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

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
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

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
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

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
7,929 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

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
Air Canada
7.0
Good
9,228 reviews
Delta
8.0
Very good
7,929 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

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
Iberia
7.0
Good
2,693 reviews
Delta
8.0
Very good
7,929 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

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?

    $792 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 American Airlines and Iberia, with prices starting from $820 and $830, 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

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