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Ithaca

$244+ Cheap flights from Ontario to Ithaca (ONT - ITH)

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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ITH
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Ontario to Ithaca

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Ithaca (ITH). 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 11, 2025.

Round-trip from

$451
(United Airlines)

One-way from

$244
(United Airlines)

Popular in

May

Cheapest in

January

Average price

$618
From Ontario to Ithaca Tompkins County
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One-way flight from Ontario to Ithaca Tompkins County
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Highest demand for flights based on searches. 11% potential increase in price ($77 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($21 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 Ontario to Ithaca

Cheapest flights from Ontario to Ithaca
Explore the most affordable flight options available from Ontario to Ithaca. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/9. 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.
Thu 10/26:27 pmONT - ITH
2 stops12h 13mUnited Airlines
Wed 10/810:28 amITH - ONT
2 stops15h 02mUnited Airlines
Deal found 9/9$451
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/206:00 amONT - ITH
2 stops14h 43mUnited Airlines
Sat 10/2510:28 amITH - ONT
2 stops10h 38mUnited Airlines
Deal found 9/9$494
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sun 10/56:36 pmONT - ITH
2 stops12h 04mUnited Airlines
Sat 11/16:10 amITH - ONT
2 stops9h 23mUnited Airlines
Deal found 9/10$568
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 10/106:36 pmONT - ITH
2 stops12h 04mUnited Airlines
Mon 10/1310:28 amITH - ONT
2 stops15h 24mUnited Airlines
Deal found 9/10$572
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/96:36 pmONT - ITH
2 stops12h 04mUnited Airlines
Mon 10/1310:28 amITH - ONT
2 stops15h 24mUnited Airlines
Deal found 9/10$691
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Tue 9/167:00 amONT - ITH
2 stops13h 43mUnited Airlines
Thu 9/186:10 amITH - ONT
2 stops9h 22mUnited Airlines
Deal found 9/10$864

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Ithaca 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 11, 2025.
Use the filters below to find and compare flights from Ontario to Ithaca that are best for you.

Fly from

Ontario

Fly to

Ithaca

Route

Depart

Return

Price

OntarioIthaca

ONT - ITH

ONTITH

Ontario

Thu 10/2

6:27 pm-9:40 am

2 stops12h 13m

Ithaca Tompkins County

Wed 10/8

10:28 am-10:30 pm

2 stops15h 02m

$451

OntarioIthaca

ONT - ITH

ONTITH

Ontario

Mon 3/9

7:00 am-11:30 pm

2 stops13h 30m

Ithaca Tompkins County

Wed 3/11

10:11 am-10:45 pm

2 stops15h 34m

$487

OntarioIthaca

ONT - ITH

ONTITH

Ontario

Wed 10/22

7:02 am-11:43 pm

2 stops13h 41m

Ithaca Tompkins County

Sat 10/25

10:28 am-8:24 pm

2 stops12h 56m

$494

OntarioIthaca

ONT - ITH

ONTITH

Ontario

Sun 10/5

6:36 pm-9:40 am

2 stops12h 04m

Ithaca Tompkins County

Sat 11/1

6:10 am-12:33 pm

2 stops9h 23m

$568

OntarioIthaca

ONT - ITH

ONTITH

Ontario

Fri 10/10

6:36 pm-9:40 am

2 stops12h 04m

Ithaca Tompkins County

Mon 10/13

10:28 am-10:52 pm

2 stops15h 24m

$572

OntarioIthaca

ONT - ITH

ONTITH

Ontario

Thu 10/9

6:36 pm-9:40 am

2 stops12h 04m

Ithaca Tompkins County

Mon 10/13

10:28 am-10:52 pm

2 stops15h 24m

$691

OntarioIthaca

ONT - ITH

ONTITH

Ontario

Fri 10/10

6:36 pm-9:40 am

2 stops12h 04m

$244

OntarioIthaca

ONT - ITH

ONTITH

Ontario

Tue 9/30

6:36 pm-9:40 am

2 stops12h 04m

$296

OntarioIthaca

ONT - ITH

ONTITH

Ontario

Sat 9/27

9:50 am-12:05 am

2 stops11h 15m

$325

OntarioIthaca

ONT - ITH

ONTITH

Ontario

Tue 9/30

9:55 am-12:05 am

2 stops11h 10m

$325

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 16 results
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Best time to book a flight from Ontario to Ithaca

Have a flexible travel schedule? Discover the best time to fly to Ithaca 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 Ithaca

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

Currently, February is the cheapest month in which you can book a flight from Ontario to Ithaca (average of $359). Flying from Ontario to Ithaca in May is currently the most expensive (average of $460). 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 Ontario to Ithaca. 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 Ontario to Ithaca?

    There are many flights that can get you from Ontario to Ithaca in 12h 13m. Fly via United Airlines to get the fastest option. The distance between Ontario and Ithaca is about 2281 mi.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Ontario to Ithaca (average of $359). Flying from Ontario to Ithaca in May is currently the most expensive (average of $460). 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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