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Lausanne

$267+ 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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GVA
Mar 11 — Mar 181
Wed 3/11
Wed 3/18
1 adult, Economy
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Cheap 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 February 9, 2026.

This United Airlines deal was found by Cheapflights users on 2/6. 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.
Tue 4/211:34 pm
ONT
-
GVA
2 stops18h 31m
United Airlines
Wed 5/612:40 pm
GVA
-
ONT
2 stops43h 19m
United Airlines
Deal found 2/6$481
This United Airlines deal was found by Cheapflights users on 2/6. 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.
Sat 4/256:49 pm
ONT
-
GVA
2 stops27h 41m
United Airlines
Wed 5/612:40 pm
GVA
-
ONT
2 stops43h 19m
United Airlines
Deal found 2/6$488
This Air Canada deal was found by Cheapflights users on 2/7. 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.
Tue 4/215:10 am
ONT
-
GVA
3 stops19h 45m
Multiple Airlines
Wed 5/612:40 pm
GVA
-
ONT
3 stops40h 56m
Multiple Airlines
Deal found 2/7$496
This United Airlines deal was found by Cheapflights users on 2/7. 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.
Tue 4/141:27 pm
ONT
-
GVA
2 stops18h 38m
United Airlines
Mon 4/203:50 pm
GVA
-
ONT
2 stops39h 00m
United Airlines
Deal found 2/7$520
This United Airlines deal was found by Cheapflights users on 2/6. 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 4/265:10 am
ONT
-
GVA
2 stops17h 20m
United Airlines
Mon 5/113:50 pm
GVA
-
ONT
2 stops39h 40m
United Airlines
Deal found 2/6$528
This Air Canada deal was found by Cheapflights users on 2/7. 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.
Tue 4/145:10 am
ONT
-
GVA
2 stops19h 45m
Multiple Airlines
Mon 4/2012:40 pm
GVA
-
ONT
3 stops32h 58m
Multiple Airlines
Deal found 2/7$546
This oojo deal was found by Cheapflights users on 2/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/264:52 pm
ONT
-
GVA
2 stops31h 28m
British Airways
Tue 5/1210:10 am
GVA
-
ONT
2 stops19h 44m
British Airways
Deal found 2/6$554
This United Airlines deal was found by Cheapflights users on 2/7. 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.
Tue 3/245:15 am
ONT
-
GVA
2 stops20h 45m
United Airlines
Tue 3/319:20 am
GVA
-
ONT
2 stops21h 30m
United Airlines
Deal found 2/7$561
This United Airlines deal was found by Cheapflights users on 2/8. 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.
Tue 3/246:00 am
ONT
-
GVA
2 stops16h 25m
United Airlines
Tue 4/79:20 am
GVA
-
ONT
2 stops22h 06m
United Airlines
Deal found 2/8$597

Find flight deals from Ontario to Lausanne

Keep the following information in mind while searching for Ontario to Lausanne flight deals. Data was last updated February 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$481
(United Airlines)

One-way from

$267
(oojo)

Popular in

June

Cheapest in

January

Average price

$677
Provider with most accurate pricing for Los Angeles-Geneva Geneve-Cointrin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Geneva Geneve-Cointrin flights.
Search Deals
From Ontario to Lausanne
Search Deals
One-way flight from Ontario to Lausanne
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($230 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 9, 2026.
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

Tue 4/21

1:34 pm-5:05 pm

2 stops18h 31m

Geneva Geneve-Cointrin

Wed 5/6

12:40 pm-10:59 pm

2 stops43h 19m

$481

OntarioGeneva

ONT - GVA

ONTGVA

Ontario

Sat 4/25

6:49 pm-11:35 am

2 stops31h 46m

Geneva Geneve-Cointrin

Wed 5/6

12:40 pm-5:52 pm

2 stops38h 12m

$481

OntarioGeneva

ONT - GVA

ONTGVA

Ontario

Sat 4/25

1:27 pm-9:55 am

2 stops35h 28m

Geneva Geneve-Cointrin

Wed 5/6

12:40 pm-8:36 pm

2 stops40h 56m

$487

OntarioGeneva

ONT - GVA

ONTGVA

Ontario

Tue 4/21

5:10 am-9:55 am

2 stops19h 45m

Geneva Geneve-Cointrin

Wed 5/6

12:40 pm-8:36 pm

2 stops40h 56m

$487

OntarioGeneva

ONT - GVA

ONTGVA

Ontario

Sat 4/25

6:49 pm-9:55 am

2 stops30h 06m

Geneva Geneve-Cointrin

Wed 5/6

12:40 pm-8:36 pm

3 stops40h 56m

$496

OntarioGeneva

ONT - GVA

ONTGVA

Ontario

Tue 4/21

5:10 am-9:55 am

3 stops19h 45m

Geneva Geneve-Cointrin

Wed 5/6

12:40 pm-8:36 pm

3 stops40h 56m

$496

OntarioGeneva

ONT - GVA

ONTGVA

Ontario

Sun 4/26

7:00 am-5:05 pm

2 stops25h 05m

Geneva Geneve-Cointrin

Mon 5/11

3:50 pm-10:30 pm

2 stops39h 40m

$520

OntarioGeneva

ONT - GVA

ONTGVA

Ontario

Tue 4/14

1:27 pm-5:05 pm

2 stops18h 38m

Geneva Geneve-Cointrin

Mon 4/20

3:50 pm-9:50 pm

2 stops39h 00m

$520

OntarioGeneva

ONT - GVA

ONTGVA

Ontario

Mon 7/27

1:10 pm-8:35 pm

2 stops22h 25m

$267

OntarioGeneva

ONT - GVA

ONTGVA

Ontario

Tue 7/28

5:00 am-9:15 am

2 stops19h 15m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 15 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, February is the cheapest month in which you can book a flight from Ontario to Lausanne (average of $468). Flying from Ontario to Lausanne in June is currently the most expensive (average of $835). 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.

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 February 9, 2026.
Read reviews from past customers who have flown United Airlines from Ontario to Lausanne. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,262 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
9,262 reviews
United Airlines
7.4
Good
9,262 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • How long is the flight from Ontario to Lausanne?

    A quick flight from Ontario to Lausanne can take about 18h 31m. United Airlines provides one of the quickest options available for as low as $481. There are 5872 mi between Ontario and Lausanne. This flight may include one or multiple stops.

  • 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, February is the cheapest month in which you can book a flight from Ontario to Lausanne (average of $468). Flying from Ontario to Lausanne in June is currently the most expensive (average of $835). 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 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 February 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$520Average$1,327FlexibilityNo cancel feeOn-time69%

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