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$389+ Cheap flights from Gainesville to Ontario (GNV - 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
GNV — ONT
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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Cheap flight deals from Gainesville to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Gainesville (GNV) 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 September 14, 2025.

Round-trip from

$389
(Delta)

Popular in

November

Cheapest in

August

Average price

$540
From Gainesville Regional to Ontario
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($93 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Gainesville to Ontario

Cheapest flights from Gainesville to Ontario
Explore the most affordable flight options available from Gainesville to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2025.

This Delta deal was found by Cheapflights users on 9/14. 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.
Sat 10/186:04 amGNV - ONT
1 stop7h 22mDelta
Sat 11/811:36 amONT - GNV
1 stop7h 59mDelta
Deal found 9/14$389
This American Airlines deal was found by Cheapflights users on 9/13. 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 10/181:46 pmGNV - ONT
1 stop9h 21mAmerican Airlines
Sat 11/86:10 amONT - GNV
2 stops10h 24mAmerican Airlines
Deal found 9/13$394
This Delta deal was found by Cheapflights users on 9/13. 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 10/223:44 pmGNV - ONT
1 stop9h 38mDelta
Sat 10/255:50 pmONT - GNV
2 stops12h 36mDelta
Deal found 9/13$419
This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/111:26 pmGNV - ONT
1 stop8h 53mDelta
Sat 11/111:36 amONT - GNV
1 stop7h 59mDelta
Deal found 9/12$427
This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/223:44 pmGNV - ONT
1 stop9h 38mDelta
Sun 10/2610:00 pmONT - GNV
1 stop8h 26mDelta
Deal found 9/12$432
This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/111:26 pmGNV - ONT
1 stop8h 53mDelta
Mon 11/310:00 pmONT - GNV
1 stop8h 26mDelta
Deal found 9/12$470
This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/241:32 pmGNV - ONT
1 stop8h 47mDelta
Sun 10/2610:00 pmONT - GNV
1 stop8h 26mDelta
Deal found 9/12$475
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Thu 11/207:16 amGNV - ONT
2 stops11h 45mAmerican Airlines
Tue 11/259:59 amONT - GNV
2 stops11h 00mAmerican Airlines
Deal found 9/11$480
This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/111:26 pmGNV - ONT
1 stop8h 53mDelta
Wed 10/2911:36 amONT - GNV
1 stop7h 59mDelta
Deal found 9/12$486

Cheapflights Fare Finder

 
Customize your flight search to find flights from Gainesville 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 September 14, 2025.
Use the filters below to find and compare flights from Gainesville to Ontario that are best for you.

Fly from

Gainesville

Fly to

Ontario

Route

Depart

Return

Price

GainesvilleOntario

GNV - ONT

GNVONT

Gainesville Regional

Sat 10/18

6:04 am-10:26 am

1 stop7h 22m

Ontario

Sat 11/1

7:05 am-5:33 pm

1 stop7h 28m

$389

GainesvilleOntario

GNV - ONT

GNVONT

Gainesville Regional

Sat 10/18

4:21 pm-10:42 pm

1 stop9h 21m

Ontario

Sat 11/8

12:46 pm-10:37 pm

1 stop6h 51m

$389

GainesvilleOntario

GNV - ONT

GNVONT

Gainesville Regional

Sat 10/18

6:04 am-10:26 am

1 stop7h 22m

Ontario

Wed 11/5

10:00 pm-9:26 am

1 stop8h 26m

$389

GainesvilleOntario

GNV - ONT

GNVONT

Gainesville Regional

Sat 10/18

6:04 am-10:26 am

1 stop7h 22m

Ontario

Sat 11/8

11:36 am-10:35 pm

1 stop7h 59m

$389

GainesvilleOntario

GNV - ONT

GNVONT

Gainesville Regional

Wed 10/22

3:44 pm-10:22 pm

1 stop9h 38m

Ontario

Sat 10/25

5:50 pm-9:26 am

2 stops12h 36m

$419

GainesvilleOntario

GNV - ONT

GNVONT

Gainesville Regional

Sat 10/11

1:26 pm-7:19 pm

1 stop8h 53m

Ontario

Sat 11/1

11:36 am-10:35 pm

1 stop7h 59m

$427

GainesvilleOntario

GNV - ONT

GNVONT

Gainesville Regional

Sat 10/18

6:04 am-10:26 am

1 stop7h 22m

Ontario

Thu 11/6

10:00 pm-9:26 am

1 stop8h 26m

$432

GainesvilleOntario

GNV - ONT

GNVONT

Gainesville Regional

Wed 10/22

3:44 pm-10:22 pm

1 stop9h 38m

Ontario

Mon 10/27

10:00 pm-9:26 am

1 stop8h 26m

$432

GainesvilleOntario

GNV - ONT

GNVONT

Gainesville Regional

Fri 9/19

6:00 am-10:42 am

1 stop7h 42m

$465

GainesvilleOntario

GNV - ONT

GNVONT

Gainesville Regional

Fri 9/19

6:13 am-1:54 pm

2 stops10h 41m

$470

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Best time to book a flight from Gainesville to Ontario

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

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

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

Related info for your journey

Find useful and relevant information for your journey from Gainesville to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Gainesville to Ontario?

    A quick flight from Gainesville to Ontario can take about 7h 22m. Delta provides one of the quickest options available for as low as $389. There are 2083 mi between Gainesville and Ontario.

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

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

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

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

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

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

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