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$560+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
GVA — ONT
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
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 July 30, 2025.

Round-trip from

$560
(United Airlines)

Popular in

July

Cheapest in

February

Average price

$864
From Geneva Geneve-Cointrin to Ontario
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($81 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 July 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 July 30, 2025.

This United Airlines deal was found by Cheapflights users on 7/29. 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 9/136:10 amGVA - ONT
2 stops23h 23mUnited Airlines
Sat 9/206:50 pmONT - GVA
2 stops27h 50mUnited Airlines
Deal found 7/29$560
This Air Canada deal was found by Cheapflights users on 7/29. 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 10/2212:40 pmGVA - ONT
2 stops19h 12mMultiple Airlines
Fri 11/77:00 amONT - GVA
2 stops18h 00mMultiple Airlines
Deal found 7/29$600
This Air Canada deal was found by Cheapflights users on 7/30. 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.
Fri 11/211:00 pmGVA - ONT
3 stops32h 33mAir Canada
Sun 11/309:35 pmONT - GVA
3 stops51h 25mAir Canada
Deal found 7/30$687
This Delta deal was found by Cheapflights users on 7/29. 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.
Fri 10/107:15 amGVA - ONT
2 stops17h 38mDelta
Sat 10/257:05 amONT - GVA
2 stops18h 35mDelta
Deal found 7/29$743
This Iberia deal was found by Cheapflights users on 7/30. 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.
Sat 11/18:55 amGVA - ONT
2 stops21h 47mIberia
Mon 11/1710:47 amONT - GVA
2 stops22h 03mIberia
Deal found 7/30$1,212

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 July 30, 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 9/13

6:10 am-8:33 pm

2 stops23h 23m

Ontario

Sat 9/20

6:50 pm-7:40 am

2 stops27h 50m

$560

GenevaOntario

GVA - ONT

GVAONT

Geneva Geneve-Cointrin

Wed 10/22

12:40 pm-10:52 pm

2 stops19h 12m

Ontario

Fri 11/7

7:00 am-10:00 am

2 stops18h 00m

$600

GenevaOntario

GVA - ONT

GVAONT

Geneva Geneve-Cointrin

Fri 11/21

1:00 pm-12:33 pm

3 stops32h 33m

Ontario

Sun 11/30

9:35 pm-10:00 am

3 stops51h 25m

$687

GenevaOntario

GVA - ONT

GVAONT

Geneva Geneve-Cointrin

Fri 10/10

7:15 am-3:53 pm

2 stops17h 38m

Ontario

Sat 10/25

7:05 am-10:40 am

2 stops18h 35m

$743

GenevaOntario

GVA - ONT

GVAONT

Geneva Geneve-Cointrin

Sat 11/1

8:55 am-10:42 pm

2 stops21h 47m

Ontario

Mon 11/17

10:47 am-5:50 pm

2 stops22h 03m

$1,212

GenevaOntario

GVA - ONT

GVAONT

Geneva Geneve-Cointrin

Wed 11/5

7:05 am-6:21 pm

2 stops20h 16m

$815

GenevaOntario

GVA - ONT

GVAONT

Geneva Geneve-Cointrin

Mon 9/22

1:00 pm-12:03 am

2 stops20h 03m

$827

GenevaOntario

GVA - ONT

GVAONT

Geneva Geneve-Cointrin

Thu 9/18

12:30 pm-11:59 pm

2 stops20h 29m

$836

GenevaOntario

GVA - ONT

GVAONT

Geneva Geneve-Cointrin

Sat 9/13

11:00 am-9:25 pm

2 stops19h 25m

$1,564

GenevaOntario

GVA - ONT

GVAONT

Geneva Geneve-Cointrin

Fri 9/19

12:40 pm-12:32 pm

3 stops32h 52m

$1,572

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 11 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.

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 July 30, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and Air Canada from Geneva to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

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
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

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
9,837 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

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
2,859 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

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
British Airways
6.6
Okay
7,217 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

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 $815 on British Airways. Other airlines that offer cheap prices include Iberia from $836 and United Airlines from $1,564 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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