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Lausanne

$377+ 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GVA
Jan 21 — Jan 281
Wed 1/21
Wed 1/28
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 December 22, 2025.

This Delta deal was found by Cheapflights users on 12/19. 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 12/317:05 amONT - GVA
2 stops17h 35mDelta
Thu 1/82:35 pmGVA - ONT
2 stops34h 37mDelta
Deal found 12/19$726
This Delta deal was found by Cheapflights users on 12/21. 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 12/317:05 amONT - GVA
2 stops17h 35mDelta
Wed 1/77:10 amGVA - ONT
2 stops24h 41mDelta
Deal found 12/21$1,172
This oojo deal was found by Cheapflights users on 12/20. 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.
Wed 12/314:47 pmONT - GVA
2 stops18h 03mBritish Airways
Tue 1/66:30 amGVA - ONT
2 stops21h 15mBritish Airways
Deal found 12/20$1,432
This oojo deal was found by Cheapflights users on 12/21. 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.
Tue 12/2312:45 pmONT - GVA
2 stops16h 55mBritish Airways
Mon 12/297:10 amGVA - ONT
2 stops20h 06mBritish Airways
Deal found 12/21$1,518
This oojo deal was found by Cheapflights users on 12/19. 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.
Tue 12/237:10 amONT - GVA
2 stops19h 00mBritish Airways
Thu 12/2512:00 pmGVA - ONT
2 stops19h 14mBritish Airways
Deal found 12/19$1,658
This KAYAK deal was found by Cheapflights users on 12/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:05 amONT - GVA
2 stops25h 15mDelta
Sun 1/411:50 amGVA - ONT
2 stops42h 58mDelta
Deal found 12/21$2,001
This oojo deal was found by Cheapflights users on 12/21. 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.
Fri 12/2610:50 amONT - GVA
2 stops37h 25mIberia
Thu 1/812:35 pmGVA - ONT
2 stops43h 13mIberia
Deal found 12/21$2,006
This oojo deal was found by Cheapflights users on 12/21. 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.
Wed 12/314:47 pmONT - GVA
2 stops16h 03mBritish Airways
Mon 1/512:25 pmGVA - ONT
2 stops18h 27mBritish Airways
Deal found 12/21$2,447
This oojo deal was found by Cheapflights users on 12/19. 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.
Sat 12/2011:59 pmONT - GVA
2 stops31h 51mBritish Airways
Sat 12/277:05 amGVA - ONT
2 stops20h 12mBritish Airways
Deal found 12/19$2,573
This CheapOair deal was found by Cheapflights users on 12/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:44 amONT - GVA
2 stops38h 11mMultiple Airlines
Tue 1/62:35 pmGVA - ONT
2 stops53h 24mMultiple Airlines
Deal found 12/19$2,954
This oojo deal was found by Cheapflights users on 12/20. 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.
Mon 12/224:44 pmONT - GVA
2 stops17h 06mBritish Airways
Sun 1/49:25 pmGVA - ONT
2 stops33h 27mBritish Airways
Deal found 12/20$3,195

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 December 22, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$496
(Air Canada)

One-way from

$377
(British Airways)

Popular in

June

Cheapest in

November

Average price

$951
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. 21% potential increase in price ($236 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 22, 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

Wed 2/11

5:05 am-10:00 am

3 stops43h 55m

Geneva Geneve-Cointrin

Tue 2/17

1:50 pm-12:43 pm

3 stops31h 53m

$496

OntarioGeneva

ONT - GVA

ONTGVA

Ontario

Fri 2/6

6:39 pm-10:00 am

2 stops30h 21m

Geneva Geneve-Cointrin

Wed 2/18

1:00 pm-12:43 pm

3 stops32h 43m

$497

OntarioGeneva

ONT - GVA

ONTGVA

Ontario

Fri 2/6

6:39 pm-10:00 am

2 stops30h 21m

Geneva Geneve-Cointrin

Tue 2/17

1:50 pm-12:43 pm

3 stops31h 53m

$501

OntarioGeneva

ONT - GVA

ONTGVA

Ontario

Mon 2/2

1:24 pm-5:05 pm

2 stops18h 41m

Geneva Geneve-Cointrin

Mon 2/9

1:00 pm-5:43 pm

2 stops37h 43m

$502

OntarioGeneva

ONT - GVA

ONTGVA

Ontario

Fri 2/6

6:00 am-5:05 pm

2 stops26h 05m

Geneva Geneve-Cointrin

Wed 2/18

1:00 pm-12:43 pm

2 stops32h 43m

$502

OntarioGeneva

ONT - GVA

ONTGVA

Ontario

Sat 2/7

4:45 pm-7:05 pm

2 stops17h 20m

Geneva Geneve-Cointrin

Mon 2/16

12:25 pm-10:49 pm

2 stops19h 24m

$503

OntarioGeneva

ONT - GVA

ONTGVA

Ontario

Fri 2/6

1:24 pm-10:00 am

3 stops35h 36m

Geneva Geneve-Cointrin

Tue 2/17

1:50 pm-12:43 pm

3 stops31h 53m

$503

OntarioGeneva

ONT - GVA

ONTGVA

Ontario

Wed 2/4

4:45 pm-7:50 pm

2 stops18h 05m

Geneva Geneve-Cointrin

Sun 2/15

6:15 am-10:04 pm

2 stops24h 49m

$503

OntarioGeneva

ONT - GVA

ONTGVA

Ontario

Tue 2/17

5:06 pm-5:50 pm

2 stops15h 44m

Geneva Geneve-Cointrin

Tue 2/24

12:20 pm-10:49 pm

2 stops19h 29m

$503

OntarioGeneva

ONT - GVA

ONTGVA

Ontario

Fri 2/6

1:53 pm-5:05 pm

2 stops18h 12m

Geneva Geneve-Cointrin

Tue 2/17

6:45 am-5:41 pm

2 stops19h 56m

$506

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 22 results
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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, January is the cheapest month in which you can book a flight from Ontario to Lausanne (average of $224). Flying from Ontario to Lausanne in June is currently the most expensive (average of $858). 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 December 22, 2025.

It’s optimal to fly from Ontario to Lausanne in the afternoon. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight in the morning.

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 0 different airlines.

  • How long is the flight from Ontario to Lausanne?

    A quick flight from Ontario to Lausanne can take about 18h 41m. United Airlines provides one of the quickest options available for as low as $502. There are 5872 mi between Ontario and Lausanne.

  • 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, January is the cheapest month in which you can book a flight from Ontario to Lausanne (average of $224). Flying from Ontario to Lausanne in June is currently the most expensive (average of $858). 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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