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$612+ 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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
GVA — ONT
May 12 — May 191
Mon 5/12
Mon 5/19
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 May 7, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$612
(American Airlines)

Popular in

July

Cheapest in

November

Average price

$670
Provider with most accurate pricing for Geneva Geneve-Cointrin-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Geneva Geneve-Cointrin-Los Angeles flights.
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From Geneva Geneve-Cointrin to Ontario
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Highest demand for flights based on searches. 11% potential increase in price ($88 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 7, 2025.

This American Airlines deal was found by Cheapflights users on 5/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/317:20 amGVA - ONT
2 stops23h 37mAmerican Airlines
Tue 6/1012:49 pmONT - GVA
2 stops25h 21mAmerican Airlines
Deal found 5/6$612
This United Airlines deal was found by Cheapflights users on 5/7. 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.
Sat 6/217:25 amGVA - ONT
2 stops43h 14mUnited Airlines
Sat 6/281:19 pmONT - GVA
2 stops33h 21mUnited Airlines
Deal found 5/7$626
This British Airways deal was found by Cheapflights users on 5/6. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/317:20 amGVA - ONT
2 stops23h 37mBritish Airways
Wed 6/114:50 pmONT - GVA
2 stops20h 50mBritish Airways
Deal found 5/6$633
This Delta deal was found by Cheapflights users on 5/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/237:15 amGVA - ONT
2 stops18h 13mDelta
Fri 7/411:49 amONT - GVA
2 stops17h 01mDelta
Deal found 5/7$817
This Air Canada deal was found by Cheapflights users on 5/6. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/312:40 pmGVA - ONT
2 stops16h 53mMultiple Airlines
Fri 9/197:00 amONT - GVA
2 stops17h 55mMultiple Airlines
Deal found 5/6$822
This Iberia deal was found by Cheapflights users on 5/7. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1812:30 pmGVA - ONT
2 stops20h 25mIberia
Mon 7/2812:46 pmONT - GVA
2 stops44h 19mIberia
Deal found 5/7$1,121
This Bravofly deal was found by Cheapflights users on 5/7. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2812:40 pmGVA - ONT
2 stops17h 14mAir Canada
Thu 8/77:00 amONT - GVA
2 stops17h 55mAir Canada
Deal found 5/7$1,943

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 May 7, 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

Sat 5/31

7:20 am-9:57 pm

2 stops23h 37m

Ontario

Tue 6/10

12:49 pm-11:10 pm

2 stops25h 21m

$612

GenevaOntario

GVA - ONT

GVAONT

Geneva Geneve-Cointrin

Sat 6/21

7:25 am-5:39 pm

2 stops43h 14m

Ontario

Sat 6/28

1:19 pm-7:40 am

2 stops33h 21m

$626

GenevaOntario

GVA - ONT

GVAONT

Geneva Geneve-Cointrin

Sat 5/31

7:20 am-9:57 pm

2 stops23h 37m

Ontario

Wed 6/11

4:50 pm-10:40 pm

2 stops20h 50m

$633

GenevaOntario

GVA - ONT

GVAONT

Geneva Geneve-Cointrin

Mon 6/23

7:15 am-4:28 pm

2 stops18h 13m

Ontario

Fri 7/4

11:49 am-1:50 pm

2 stops17h 01m

$817

GenevaOntario

GVA - ONT

GVAONT

Geneva Geneve-Cointrin

Wed 9/3

12:40 pm-8:33 pm

2 stops16h 53m

Ontario

Fri 9/19

7:00 am-9:55 am

2 stops17h 55m

$822

GenevaOntario

GVA - ONT

GVAONT

Geneva Geneve-Cointrin

Fri 7/18

12:30 pm-11:55 pm

2 stops20h 25m

Ontario

Mon 7/28

12:46 pm-6:05 pm

2 stops44h 19m

$1,121

GenevaOntario

GVA - ONT

GVAONT

Geneva Geneve-Cointrin

Mon 7/28

12:40 pm-8:54 pm

2 stops17h 14m

Ontario

Thu 8/7

7:00 am-9:55 am

2 stops17h 55m

$1,943

GenevaOntario

GVA - ONT

GVAONT

Geneva Geneve-Cointrin

Wed 6/11

12:55 pm-11:02 pm

2 stops19h 07m

$804

GenevaOntario

GVA - ONT

GVAONT

Geneva Geneve-Cointrin

Tue 8/26

10:10 am-10:48 pm

2 stops21h 38m

$805

GenevaOntario

GVA - ONT

GVAONT

Geneva Geneve-Cointrin

Mon 7/21

12:45 pm-11:42 pm

2 stops19h 57m

$870

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/6

Showing 1-10 of 14 results
1
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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 May 7, 2025.
Delta
8.0
Very good
7,944 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

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
7,944 reviews
Delta
8.0
Very good
7,944 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

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
8,710 reviews
Delta
8.0
Very good
7,944 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

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
7,944 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

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
9,282 reviews
Delta
8.0
Very good
7,944 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

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
2,717 reviews
Delta
8.0
Very good
7,944 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

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 $804 on British Airways. Other airlines that offer cheap prices include American Airlines from $805 and Delta from $870 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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