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Ithaca

$358+ 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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ITH
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap 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 February 3, 2026.

This United Airlines deal was found by Cheapflights users on 2/2. 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 3/66:37 pm
ONT
-
ITH
2 stops12h 05m
United Airlines
Mon 3/910:30 am
ITH
-
ONT
2 stops13h 20m
United Airlines
Deal found 2/2$589
This United Airlines deal was found by Cheapflights users on 1/31. 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 3/56:37 pm
ONT
-
ITH
2 stops12h 05m
United Airlines
Sat 3/710:30 am
ITH
-
ONT
2 stops15h 27m
United Airlines
Deal found 1/31$600
This United Airlines deal was found by Cheapflights users on 2/1. 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 4/17:00 am
ONT
-
ITH
2 stops13h 59m
United Airlines
Wed 4/810:30 am
ITH
-
ONT
2 stops13h 06m
United Airlines
Deal found 2/1$679
This United Airlines deal was found by Cheapflights users on 2/2. 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 10/277:00 am
ONT
-
ITH
2 stops13h 30m
United Airlines
Sat 10/317:50 pm
ITH
-
ONT
2 stops20h 30m
United Airlines
Deal found 2/2$697
This Delta deal was found by Cheapflights users on 2/1. 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 2/1310:20 pm
ONT
-
ITH
2 stops13h 03m
Delta
Sun 2/153:03 pm
ITH
-
ONT
2 stops27h 59m
Delta
Deal found 2/1$783
This United Airlines deal was found by Cheapflights users on 2/2. 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 2/171:45 pm
ONT
-
ITH
2 stops30h 57m
United Airlines
Sat 2/217:45 pm
ITH
-
ONT
2 stops28h 05m
United Airlines
Deal found 2/2$860
This United Airlines deal was found by Cheapflights users on 2/1. 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 2/125:00 am
ONT
-
ITH
2 stops10h 27m
United Airlines
Sun 2/157:45 pm
ITH
-
ONT
2 stops19h 53m
United Airlines
Deal found 2/1$881
This Delta deal was found by Cheapflights users on 2/2. 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 3/1410:25 pm
ONT
-
ITH
2 stops11h 28m
Delta
Fri 3/201:33 pm
ITH
-
ONT
2 stops13h 18m
Delta
Deal found 2/2$882
This United Airlines deal was found by Cheapflights users on 2/1. 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 2/56:00 am
ONT
-
ITH
2 stops14h 44m
United Airlines
Sat 2/76:00 am
ITH
-
ONT
2 stops9h 47m
United Airlines
Deal found 2/1$889

Find 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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$589
(United Airlines)

One-way from

$358
(Delta)

Popular in

May

Cheapest in

September

Average price

$554
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. 16% potential increase in price ($117 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in February 2026
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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 February 3, 2026.
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

Fri 3/6

6:37 pm-9:42 am

2 stops12h 05m

Ithaca Tompkins County

Mon 3/9

10:30 am-8:50 pm

2 stops13h 20m

$589

OntarioIthaca

ONT - ITH

ONTITH

Ontario

Thu 3/5

6:37 pm-9:42 am

2 stops12h 05m

Ithaca Tompkins County

Sat 3/7

10:30 am-10:57 pm

2 stops15h 27m

$600

OntarioIthaca

ONT - ITH

ONTITH

Ontario

Wed 4/1

7:00 am-11:59 pm

2 stops13h 59m

Ithaca Tompkins County

Wed 4/8

10:30 am-8:36 pm

2 stops13h 06m

$679

OntarioIthaca

ONT - ITH

ONTITH

Ontario

Fri 2/13

10:20 pm-2:23 pm

2 stops13h 03m

Ithaca Tompkins County

Sun 2/15

3:03 pm-4:02 pm

2 stops27h 59m

$783

OntarioIthaca

ONT - ITH

ONTITH

Ontario

Tue 2/17

1:45 pm-11:42 pm

2 stops30h 57m

Ithaca Tompkins County

Sat 2/21

7:45 pm-8:50 pm

2 stops28h 05m

$860

OntarioIthaca

ONT - ITH

ONTITH

Ontario

Sat 3/14

10:25 pm-12:53 pm

2 stops11h 28m

Ithaca Tompkins County

Fri 3/20

1:33 pm-11:51 pm

2 stops13h 18m

$882

OntarioIthaca

ONT - ITH

ONTITH

Ontario

Sat 3/14

6:00 am-11:42 pm

3 stops14h 42m

Ithaca Tompkins County

Fri 3/20

10:30 am-10:18 pm

2 stops14h 48m

$1,065

OntarioIthaca

ONT - ITH

ONTITH

Ontario

Fri 3/27

10:25 pm-12:53 pm

2 stops11h 28m

Ithaca Tompkins County

Tue 3/31

1:33 pm-11:51 pm

2 stops13h 18m

$1,079

OntarioIthaca

ONT - ITH

ONTITH

Ontario

Mon 2/23

10:20 pm-2:23 pm

2 stops13h 03m

$358

OntarioIthaca

ONT - ITH

ONTITH

Ontario

Tue 2/24

10:20 pm-2:23 pm

2 stops13h 03m

$358

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 18 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, March is the cheapest month in which you can book a flight from Ontario to Ithaca (average of $158). Flying from Ontario to Ithaca in August is currently the most expensive (average of $270). 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 05m. Fly via United Airlines or Delta to get the fastest option. The distance between Ontario and Ithaca is about 2281 mi. This flight may include one or multiple stops.

  • 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, March is the cheapest month in which you can book a flight from Ontario to Ithaca (average of $158). Flying from Ontario to Ithaca in August is currently the most expensive (average of $270). 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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