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Ontario

$633+ Cheap flights from Geneva (GVA) 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
GVA — ONT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Geneva to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Geneva (GVA) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$633
(American Airlines)

Popular in

July

Cheapest in

November

Average price

$744
From Geneva Geneve-Cointrin to Ontario
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($78 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 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 Geneva to Ontario

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

This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/187:00 amGVA - ONT
2 stops19h 52mAmerican Airlines
Mon 9/14:54 pmONT - GVA
2 stops18h 41mAmerican Airlines
Deal found 6/11$633
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.
Wed 8/67:05 amGVA - ONT
2 stops24h 01mUnited Airlines
Tue 8/266:04 amONT - GVA
2 stops18h 11mUnited Airlines
Deal found 6/10$748
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2412:40 pmGVA - ONT
2 stops17h 03mMultiple Airlines
Tue 10/77:02 amONT - GVA
2 stops17h 53mMultiple Airlines
Deal found 6/11$772
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2012:30 pmGVA - ONT
2 stops19h 18mIberia
Tue 9/22:57 pmONT - GVA
2 stops18h 08mIberia
Deal found 6/12$785
This Bravofly 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1612:10 pmGVA - ONT
2 stops18h 50mBritish Airways
Sat 11/295:01 pmONT - GVA
2 stops15h 49mBritish Airways
Deal found 6/11$1,353
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.
Wed 8/612:40 pmGVA - ONT
3 stops32h 52mAir Canada
Tue 8/265:10 amONT - GVA
3 stops19h 45mAir Canada
Deal found 6/10$1,579

Cheapflights Fare Finder

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

Fly from

Geneva

Fly to

Ontario

Route

Depart

Return

Price

GenevaOntario

GVA - ONT

GVAONT

Geneva Geneve-Cointrin

Mon 8/18

7:00 am-5:52 pm

2 stops19h 52m

Ontario

Mon 9/1

4:54 pm-8:35 pm

2 stops18h 41m

$633

GenevaOntario

GVA - ONT

GVAONT

Geneva Geneve-Cointrin

Wed 8/6

7:05 am-10:06 pm

2 stops24h 01m

Ontario

Tue 8/26

6:04 am-9:15 am

2 stops18h 11m

$748

GenevaOntario

GVA - ONT

GVAONT

Geneva Geneve-Cointrin

Wed 9/24

12:40 pm-8:43 pm

2 stops17h 03m

Ontario

Tue 10/7

7:02 am-9:55 am

2 stops17h 53m

$772

GenevaOntario

GVA - ONT

GVAONT

Geneva Geneve-Cointrin

Wed 8/20

12:30 pm-10:48 pm

2 stops19h 18m

Ontario

Tue 9/2

2:57 pm-6:05 pm

2 stops18h 08m

$785

GenevaOntario

GVA - ONT

GVAONT

Geneva Geneve-Cointrin

Sun 11/16

12:10 pm-10:00 pm

2 stops18h 50m

Ontario

Sat 11/29

5:01 pm-5:50 pm

2 stops15h 49m

$1,353

GenevaOntario

GVA - ONT

GVAONT

Geneva Geneve-Cointrin

Wed 8/6

12:40 pm-12:32 pm

3 stops32h 52m

Ontario

Tue 8/26

5:10 am-9:55 am

3 stops19h 45m

$1,579

GenevaOntario

GVA - ONT

GVAONT

Geneva Geneve-Cointrin

Sat 9/6

7:15 am-5:11 pm

2 stops18h 56m

$807

GenevaOntario

GVA - ONT

GVAONT

Geneva Geneve-Cointrin

Fri 8/29

1:25 pm-9:39 pm

2 stops17h 14m

$808

GenevaOntario

GVA - ONT

GVAONT

Geneva Geneve-Cointrin

Wed 8/27

7:25 am-6:28 pm

2 stops20h 03m

$813

GenevaOntario

GVA - ONT

GVAONT

Geneva Geneve-Cointrin

Sun 8/24

7:00 am-9:28 pm

2 stops23h 28m

$815

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 13 results
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Best time to book a flight from Geneva to Ontario

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

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

Currently, August is the cheapest month in which you can book a flight from Geneva to Ontario (average of $246). Flying from Geneva 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 June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

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

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

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

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

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
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

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
Air Canada
7.1
Good
9,531 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

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
Iberia
7.0
Good
2,776 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

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 Geneva to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    One-way options have recently been found by users for as low as $807 on Delta. Other airlines that offer cheap prices include British Airways from $808 and American Airlines from $815 one-way.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Geneva to Ontario (average of $246). Flying from Geneva 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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