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Lausanne

$468+ Cheap flights from Ontario (ONT) to Lausanne, 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GVA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Ontario to Lausanne

Keep the following information in mind while searching for Ontario to Lausanne flight deals. Data was last updated June 12, 2025.

Round-trip from

$603
(United Airlines)

One-way from

$468
(United Airlines)

Popular in

June

Cheapest in

November

Average price

$1,231
From Ontario to Lausanne
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One-way flight from Ontario to Lausanne
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Highest demand for flights based on searches. 19% potential increase in price ($213 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Ontario to Lausanne

Cheapest flights from Ontario to Lausanne
Explore the most affordable flight options available from Ontario to Lausanne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. 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.
Sun 8/106:00 amONT - GVA
3 stops42h 55mUnited Airlines
Fri 8/2211:00 amGVA - ONT
2 stops20h 30mUnited Airlines
Deal found 6/10$603
This Iberia deal was found by Cheapflights users on 6/11. 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.
Sun 8/38:15 amONT - GVA
2 stops20h 10mIberia
Tue 8/2612:30 pmGVA - ONT
2 stops19h 18mIberia
Deal found 6/11$629
This Delta deal was found by Cheapflights users on 6/10. 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 8/107:05 amONT - GVA
2 stops17h 35mDelta
Fri 8/2212:45 pmGVA - ONT
2 stops39h 26mDelta
Deal found 6/10$634
This British Airways deal was found by Cheapflights users on 6/10. 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 8/94:54 pmONT - GVA
2 stops18h 06mBritish Airways
Sat 8/237:20 amGVA - ONT
2 stops19h 32mBritish Airways
Deal found 6/10$734
This Icelandair deal was found by Cheapflights users on 6/11. 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.
Mon 8/412:00 pmONT - GVA
2 stops16h 05mMultiple Airlines
Tue 8/192:00 pmGVA - ONT
2 stops19h 13mMultiple Airlines
Deal found 6/11$936
This Air Canada deal was found by Cheapflights users on 6/10. 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.
Sun 12/145:40 amONT - GVA
3 stops19h 20mAir Canada
Mon 12/2912:20 pmGVA - ONT
3 stops33h 13mAir Canada
Deal found 6/10$1,244
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Sat 6/2812:49 pmONT - GVA
2 stops22h 11mAmerican Airlines
Sat 7/1211:50 amGVA - ONT
2 stops18h 48mAmerican Airlines
Deal found 6/12$4,190

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Lausanne 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 June 12, 2025.
Use the filters below to find and compare flights from Ontario to Lausanne that are best for you.

Fly from

Ontario

Fly to

Lausanne

Route

Depart

Return

Price

OntarioGeneva

ONT - GVA

ONTGVA

Ontario

Sun 8/10

6:00 am-9:55 am

3 stops42h 55m

Geneva Geneve-Cointrin

Fri 8/22

11:00 am-10:30 pm

2 stops20h 30m

$603

OntarioGeneva

ONT - GVA

ONTGVA

Ontario

Sun 8/3

8:15 am-1:25 pm

2 stops20h 10m

Geneva Geneve-Cointrin

Tue 8/26

12:30 pm-10:48 pm

2 stops19h 18m

$629

OntarioGeneva

ONT - GVA

ONTGVA

Ontario

Sun 8/10

7:05 am-9:40 am

2 stops17h 35m

Geneva Geneve-Cointrin

Fri 8/22

12:45 pm-7:11 pm

2 stops39h 26m

$634

OntarioGeneva

ONT - GVA

ONTGVA

Ontario

Sat 8/9

4:54 pm-8:00 pm

2 stops18h 06m

Geneva Geneve-Cointrin

Sat 8/23

7:20 am-5:52 pm

2 stops19h 32m

$734

OntarioGeneva

ONT - GVA

ONTGVA

Ontario

Mon 8/4

12:00 pm-1:05 pm

2 stops16h 05m

Geneva Geneve-Cointrin

Tue 8/19

2:00 pm-12:13 am

2 stops19h 13m

$936

OntarioGeneva

ONT - GVA

ONTGVA

Ontario

Wed 6/25

5:10 am-9:55 am

3 stops19h 45m

Geneva Geneve-Cointrin

Tue 7/1

12:40 pm-12:32 pm

3 stops32h 52m

$1,530

OntarioGeneva

ONT - GVA

ONTGVA

Ontario

Sat 6/28

12:49 pm-8:00 pm

2 stops22h 11m

Geneva Geneve-Cointrin

Sat 7/12

11:50 am-9:38 pm

2 stops18h 48m

$4,190

OntarioGeneva

ONT - GVA

ONTGVA

Ontario

Tue 8/5

5:05 am-9:15 am

2 stops19h 10m

$468

OntarioGeneva

ONT - GVA

ONTGVA

Ontario

Sat 11/8

1:00 pm-10:00 am

2 stops36h 00m

$469

OntarioGeneva

ONT - GVA

ONTGVA

Ontario

Sun 8/3

8:15 am-1:25 pm

2 stops20h 10m

$481

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 13 results
1
2

Best time to book a flight from Ontario to Lausanne

Have a flexible travel schedule? Discover the best time to fly to Lausanne 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 Lausanne

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

Currently, November is the cheapest month in which you can book a flight from Ontario to Lausanne (average of $676). Flying from Ontario to Lausanne in June is currently the most expensive (average of $1,141). 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 LS9?

Find hourly flight availability from Ontario to Lausanne. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Lausanne as you normally would.

Rainfall in Lausanne by month

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

In terms of precipitation, rainfall in Lausanne ranges from 2.7 - 4.1 inches per month. October is typically the wettest month, when rainfall can reach 4.1 in. February is typically the driest time to visit Lausanne when rainfall is around 2.7 in.

Temperature in Lausanne by month

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

If weather is an important factor for your trip to Lausanne, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Lausanne

Get insights into the airlines that provide service to Lausanne. 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 Lausanne. Reviews last updated June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
9,531 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
2,776 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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 Lausanne. 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 Lausanne?

    Located just 3.1 mi from the city center, Ontario is the airport most travelers will use when flying to Lausanne from Ontario. Booking flights from Ontario (ONT) to Lausanne should be relatively easy as there are 0 daily outbound flights to Lausanne from 1 airline.

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

    The cheapest airlines for a one-way flight from Ontario to Lausanne are United Airlines ($468), Air Canada ($469), and Iberia ($481).

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Ontario to Lausanne (average of $676). Flying from Ontario to Lausanne in June is currently the most expensive (average of $1,141). 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 Lausanne

Discover the top airline that operate flights from Ontario to Lausanne. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$677Average$777FlexibilityNo cancel feeOn-time79%

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