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Ithaca

$293+ 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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ITH
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
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 November 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$589
(United Airlines)

One-way from

$293
(Delta)

Popular in

October

Cheapest in

September

Average price

$646
Provider with most accurate pricing for Los Angeles-Ithaca Tompkins County flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Ithaca Tompkins County flights.
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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. 9% potential increase in price ($65 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 5, 2025.

This United Airlines deal was found by Cheapflights users on 11/4. 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 11/55:05 amONT - ITH
2 stops10h 23mUnited Airlines
Tue 11/186:10 amITH - ONT
2 stops9h 21mUnited Airlines
Deal found 11/4$589
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/136:00 amONT - ITH
2 stops14h 43mUnited Airlines
Mon 11/177:40 pmITH - ONT
2 stops19h 57mUnited Airlines
Deal found 11/3$657
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Mon 11/106:38 pmONT - ITH
2 stops26h 05mUnited Airlines
Tue 11/186:10 amITH - ONT
2 stops9h 21mUnited Airlines
Deal found 11/4$677
This United Airlines deal was found by Cheapflights users on 11/3. 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 12/135:05 amONT - ITH
2 stops10h 33mUnited Airlines
Sat 12/276:00 amITH - ONT
2 stops19h 25mUnited Airlines
Deal found 11/3$716
This Delta deal was found by Cheapflights users on 11/4. 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 11/511:36 amONT - ITH
2 stops9h 45mDelta
Wed 11/195:40 amITH - ONT
2 stops17h 02mDelta
Deal found 11/4$728
This Delta deal was found by Cheapflights users on 11/4. 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 11/511:36 amONT - ITH
2 stops9h 45mDelta
Mon 11/172:05 pmITH - ONT
2 stops25h 13mDelta
Deal found 11/4$733
This United Airlines deal was found by Cheapflights users on 11/4. 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 11/75:05 amONT - ITH
2 stops10h 23mUnited Airlines
Mon 11/177:40 pmITH - ONT
2 stops28h 04mUnited Airlines
Deal found 11/4$737
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/255:05 amONT - ITH
2 stops15h 38mUnited Airlines
Tue 12/27:57 pmITH - ONT
2 stops19h 35mUnited Airlines
Deal found 11/3$745
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/155:05 amONT - ITH
2 stops10h 23mUnited Airlines
Sun 11/166:10 amITH - ONT
2 stops9h 18mUnited Airlines
Deal found 11/5$748
This United Airlines deal was found by Cheapflights users on 11/4. 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 11/196:00 amONT - ITH
2 stops9h 28mUnited Airlines
Sun 11/237:40 pmITH - ONT
2 stops19h 57mUnited Airlines
Deal found 11/4$760
This Delta deal was found by Cheapflights users on 11/4. 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 11/511:36 amONT - ITH
2 stops9h 45mDelta
Thu 11/205:40 amITH - ONT
2 stops21h 12mDelta
Deal found 11/4$768
This Delta deal was found by Cheapflights users on 11/4. 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 11/77:05 amONT - ITH
2 stops14h 16mDelta
Wed 11/192:05 pmITH - ONT
2 stops12h 47mDelta
Deal found 11/4$777

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 November 5, 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

Sat 3/28

7:15 pm-9:41 am

2 stops11h 26m

Ithaca Tompkins County

Sat 4/4

6:00 am-5:47 pm

2 stops14h 47m

$589

OntarioIthaca

ONT - ITH

ONTITH

Ontario

Sat 12/13

5:05 am-6:38 pm

2 stops10h 33m

Ithaca Tompkins County

Sat 12/27

6:00 am-10:25 pm

2 stops19h 25m

$716

OntarioIthaca

ONT - ITH

ONTITH

Ontario

Tue 11/25

5:05 am-11:43 pm

2 stops15h 38m

Ithaca Tompkins County

Tue 12/2

7:57 pm-12:32 pm

2 stops19h 35m

$745

OntarioIthaca

ONT - ITH

ONTITH

Ontario

Sat 11/15

5:05 am-6:28 pm

2 stops10h 23m

Ithaca Tompkins County

Sun 11/16

6:10 am-12:28 pm

2 stops9h 18m

$748

OntarioIthaca

ONT - ITH

ONTITH

Ontario

Wed 11/19

6:00 am-6:28 pm

2 stops9h 28m

Ithaca Tompkins County

Sun 11/23

7:40 pm-12:37 pm

2 stops19h 57m

$760

OntarioIthaca

ONT - ITH

ONTITH

Ontario

Sat 12/20

10:29 pm-12:18 pm

2 stops10h 49m

Ithaca Tompkins County

Sat 1/3

1:00 pm-10:28 pm

2 stops12h 28m

$1,008

OntarioIthaca

ONT - ITH

ONTITH

Ontario

Fri 12/5

6:40 am-10:51 pm

2 stops13h 11m

$348

OntarioIthaca

ONT - ITH

ONTITH

Ontario

Thu 12/18

7:05 am-10:51 pm

2 stops12h 46m

$375

OntarioIthaca

ONT - ITH

ONTITH

Ontario

Thu 12/18

5:05 am-6:41 pm

2 stops10h 36m

$398

OntarioIthaca

ONT - ITH

ONTITH

Ontario

Wed 11/19

5:49 pm-1:09 pm

2 stops16h 20m

$436

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 17 results
1
2

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, September is the cheapest month in which you can book a flight from Ontario to Ithaca (average of $160). Flying from Ontario to Ithaca in December is currently the most expensive (average of $296). 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 11h 26m. 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, September is the cheapest month in which you can book a flight from Ontario to Ithaca (average of $160). Flying from Ontario to Ithaca in December is currently the most expensive (average of $296). 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

Traveling to a place near Ithaca?

Book flights to Ithaca if you plan to visit one of these locations
Cortland

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