$391+ Cheap flights from Ithaca to Ontario (ITH - 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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
ITH — ONT
Aug 4 — Aug 111
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ithaca to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Ithaca (ITH) 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 | $391 (Delta) |
|---|---|
Popular in | December |
Cheapest in | August |
Average price | $558 |
Find flight deals from Ithaca to Ontario
Cheapest flights from Ithaca to OntarioExplore the most affordable flight options available from Ithaca to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.
Explore the most affordable flight options available from Ithaca to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.
This Delta deal was found by Cheapflights users on 7/28. 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 10/45:42 amITH - ONT
2 stops16h 33mDelta
Tue 10/710:29 pmONT - ITH
2 stops11h 44mDelta
Deal found 7/28![Delta logo]()
$391
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 amITH - ONT
2 stops19h 20mUnited Airlines
Tue 9/307:02 amONT - ITH
2 stops13h 41mUnited Airlines
Deal found 7/29![United Airlines logo]()
$607
Cheapflights Fare Finder
Customize your flight search to find flights from Ithaca 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 Ithaca to Ontario that are best for you.
Fly from
Ithaca
Fly to
Ontario
Route
Depart
Return
Price
IthacaOntario
ITH - ONT
ITHONT
Ithaca Tompkins County
Sat 10/4
5:42 am-7:15 pm
2 stops16h 33m
Ontario
Tue 10/7
10:29 pm-1:13 pm
2 stops11h 44m
$391
IthacaOntario
ITH - ONT
ITHONT
Ithaca Tompkins County
Sat 9/13
6:10 am-10:30 pm
2 stops19h 20m
Ontario
Tue 9/30
7:02 am-11:43 pm
2 stops13h 41m
$607
IthacaOntario
ITH - ONT
ITHONT
Ithaca Tompkins County
Tue 11/25
5:55 am-4:14 pm
2 stops13h 19m
$405
IthacaOntario
ITH - ONT
ITHONT
Ithaca Tompkins County
Sun 11/23
7:40 pm-5:34 pm
2 stops24h 54m
$445
Best time to book a flight from Ithaca to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Ithaca 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 Ithaca to Ontario
What is the cheapest month to book a flight from Ithaca to Ontario?
Currently, August is the cheapest month in which you can book a flight from Ithaca to Ontario (average of $246). Flying from Ithaca 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.
Read through reviews of airlines operating flights from Ithaca to Ontario, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.9
Food
7.3
Overall
8.0
Crew
8.5
Boarding
8.2
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Entertainment
7.9
Food
7.3
Overall
8.0
Crew
8.5
Boarding
8.2
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Entertainment
7.9
Food
7.3
Overall
8.0
Crew
8.5
Boarding
8.2
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX