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Cheap flights from Ontario to Ithaca from $499

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Ithaca departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to Ithaca

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:01 am - 11:44 pmONT  Ontario-ITH Ithaca Tompkins County
11h 43m2 stops San Francisco Washington, D.C. Dulles Intl
United Airlines Logo
6:00 am - 3:41 pmITH  Ithaca Tompkins County-ONT Ontario
12h 41m2 stops Washington, D.C. Dulles Intl San Francisco
$499United Airlines
Tue, Sep 1 - Sat, Sep 5
United Airlines Logo
6:00 am - 11:44 pmONT  Ontario-ITH Ithaca Tompkins County
14h 44m2 stops San Francisco Washington, D.C. Dulles Intl
United Airlines Logo
6:00 am - 3:33 pmITH  Ithaca Tompkins County-ONT Ontario
12h 33m2 stops Washington, D.C. Dulles Intl San Francisco
$570United Airlines
Sat, Oct 31 - Tue, Nov 3
United Airlines Logo
4:17 pm - 10:46 amONT  Ontario-ITH Ithaca Tompkins County
15h 29m2 stops San Francisco Washington, D.C. Dulles Intl
United Airlines Logo
6:00 am - 3:33 pmITH  Ithaca Tompkins County-ONT Ontario
12h 33m2 stops Washington, D.C. Dulles Intl San Francisco
$570United Airlines
Sat, Oct 31 - Tue, Nov 3
United Airlines Logo
6:00 am - 11:44 pmONT  Ontario-ITH Ithaca Tompkins County
14h 44m2 stops San Francisco Washington, D.C. Dulles Intl
United Airlines Logo
7:55 pm - 9:40 pmITH  Ithaca Tompkins County-ONT Ontario
28h 45m3 stops Washington, D.C. Dulles Intl Pittsburgh Houston George Bush Intcntl
$665United Airlines
Sat, Oct 31 - Tue, Nov 3
United Airlines Logo
4:17 pm - 10:46 amONT  Ontario-ITH Ithaca Tompkins County
15h 29m2 stops San Francisco Washington, D.C. Dulles Intl
United Airlines Logo
7:55 pm - 9:40 pmITH  Ithaca Tompkins County-ONT Ontario
28h 45m3 stops Washington, D.C. Dulles Intl Pittsburgh Houston George Bush Intcntl
$665United Airlines
Sat, Oct 31 - Tue, Nov 3
United Airlines Logo
5:00 am - 7:03 pmONT  Ontario-ITH Ithaca Tompkins County
11h 03m2 stops Denver Intl Washington, D.C. Dulles Intl
United Airlines Logo
10:25 am - 10:35 pmITH  Ithaca Tompkins County-ONT Ontario
15h 10m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
$685United Airlines
Sat, Aug 29 - Sat, Sep 5
Delta Logo
10:00 pm - 12:30 pmONT  Ontario-ITH Ithaca Tompkins County
11h 30m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl
Delta Logo
1:10 pm - 11:34 pmITH  Ithaca Tompkins County-ONT Ontario
13h 24m2 stops New York John F Kennedy Intl Salt Lake City
$881Delta
Mon, Aug 24 - Thu, Aug 27
Delta Logo
10:00 pm - 12:30 pmONT  Ontario-ITH Ithaca Tompkins County
11h 30m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl
Delta Logo
1:10 pm - 11:34 pmITH  Ithaca Tompkins County-ONT Ontario
13h 24m2 stops New York John F Kennedy Intl Salt Lake City
$884Delta
Fri, Aug 21 - Tue, Aug 25
Delta Logo
6:20 am - 12:42 amONT  Ontario-ITH Ithaca Tompkins County
15h 22m2 stops Seattle/Tacoma Intl New York John F Kennedy Intl
Delta Logo
1:00 pm - 10:04 pmITH  Ithaca Tompkins County-ONT Ontario
12h 04m2 stops New York John F Kennedy Intl Salt Lake City
$2,005Delta
Sat, Sep 5 - Wed, Sep 9
Delta Logo
10:00 pm - 12:20 pmONT  Ontario-ITH Ithaca Tompkins County
11h 20m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl
Delta Logo
5:45 am - 6:07 pmITH  Ithaca Tompkins County-ONT Ontario
15h 22m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson
$2,044Delta
Thu, Sep 24 - Mon, Sep 28

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United Airlines flights from Ontario to Ithaca

Our best United Airlines deals on Ontario to Ithaca flight tickets
United Airlines
Sep 1
ONT9:01 amOntario
11h 43m
2 stops
ITH11:44 pmIthaca Tompkins County
Sep 5
ITH6:00 amIthaca Tompkins County
12h 41m
2 stops
ONT3:41 pmOntario
$499
United Airlines
Oct 31
ONT6:00 amOntario
14h 44m
2 stops
ITH11:44 pmIthaca Tompkins County
Nov 3
ITH6:00 amIthaca Tompkins County
12h 33m
2 stops
ONT3:33 pmOntario
$570
United Airlines
Oct 31
ONT6:00 amOntario
14h 44m
2 stops
ITH11:44 pmIthaca Tompkins County
Nov 3
ITH7:55 pmIthaca Tompkins County
28h 45m
3 stops
ONT9:40 pmOntario
$665

Delta flights from Ontario to Ithaca

Our best Delta deals on Ontario to Ithaca flight tickets
Delta
Aug 24
ONT10:00 pmOntario
11h 30m
2 stops
ITH12:30 pmIthaca Tompkins County
Aug 27
ITH1:10 pmIthaca Tompkins County
13h 24m
2 stops
ONT11:34 pmOntario
$881
Delta
Aug 21
ONT10:00 pmOntario
11h 30m
2 stops
ITH12:30 pmIthaca Tompkins County
Aug 25
ITH1:10 pmIthaca Tompkins County
13h 24m
2 stops
ONT11:34 pmOntario
$884
Delta
Sep 5
ONT6:20 amOntario
15h 22m
2 stops
ITH12:42 amIthaca Tompkins County
Sep 9
ITH1:00 pmIthaca Tompkins County
12h 04m
2 stops
ONT10:04 pmOntario
$2,005

momondo 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, momondo users made 832,500 searches. Data last updated August 8, 2026.
Use the filters below to find and compare flights from Ontario to Ithaca that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

OntarioIthaca

ONT Ontario - ITH Ithaca Tompkins County

ONTITH

Ontario

Tue 9/1

9:01 am-11:44 pm

2 stops11h 43m

Ithaca Tompkins County

Sat 9/5

6:00 am-3:41 pm

2 stops12h 41m

$499

OntarioIthaca

ONT Ontario - ITH Ithaca Tompkins County

ONTITH

Ontario

Sat 10/31

6:00 am-11:44 pm

2 stops14h 44m

Ithaca Tompkins County

Tue 11/3

6:00 am-3:33 pm

2 stops12h 33m

$570

OntarioIthaca

ONT Ontario - ITH Ithaca Tompkins County

ONTITH

Ontario

Sat 10/31

4:17 pm-10:46 am

2 stops15h 29m

Ithaca Tompkins County

Tue 11/3

6:00 am-3:33 pm

2 stops12h 33m

$570

OntarioIthaca

ONT Ontario - ITH Ithaca Tompkins County

ONTITH

Ontario

Sat 10/31

6:00 am-11:44 pm

2 stops14h 44m

Ithaca Tompkins County

Tue 11/3

7:55 pm-9:40 pm

3 stops28h 45m

$665

OntarioIthaca

ONT Ontario - ITH Ithaca Tompkins County

ONTITH

Ontario

Sat 10/31

4:17 pm-10:46 am

2 stops15h 29m

Ithaca Tompkins County

Tue 11/3

7:55 pm-9:40 pm

3 stops28h 45m

$665

OntarioIthaca

ONT Ontario - ITH Ithaca Tompkins County

ONTITH

Ontario

Sat 8/29

5:00 am-7:03 pm

2 stops11h 03m

Ithaca Tompkins County

Sat 9/5

10:25 am-10:35 pm

2 stops15h 10m

$685

OntarioIthaca

ONT Ontario - ITH Ithaca Tompkins County

ONTITH

Ontario

Mon 8/24

10:00 pm-12:30 pm

2 stops11h 30m

Ithaca Tompkins County

Thu 8/27

1:10 pm-11:34 pm

2 stops13h 24m

$881

OntarioIthaca

ONT Ontario - ITH Ithaca Tompkins County

ONTITH

Ontario

Fri 8/21

10:00 pm-12:30 pm

2 stops11h 30m

Ithaca Tompkins County

Tue 8/25

1:10 pm-11:34 pm

2 stops13h 24m

$884

OntarioIthaca

ONT Ontario - ITH Ithaca Tompkins County

ONTITH

Ontario

Sat 9/5

6:20 am-12:42 am

2 stops15h 22m

Ithaca Tompkins County

Wed 9/9

1:00 pm-10:04 pm

2 stops12h 04m

$2,005

OntarioIthaca

ONT Ontario - ITH Ithaca Tompkins County

ONTITH

Ontario

Thu 9/24

10:00 pm-12:20 pm

2 stops11h 20m

Ithaca Tompkins County

Mon 9/28

5:45 am-6:07 pm

2 stops15h 22m

$2,044

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ithaca from

How to get the cheapest flight ticket from Ontario to Ithaca

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ontario to Ithaca Tompkins County?

Delta and United Airlines are the most popular carriers operating from Ontario to Ithaca Tompkins County

What airlines fly to Ithaca?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Ithaca from Ontario according to our data. American Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Ithaca. Keep in mind that there are 5 different airlines that fly to Ithaca on a routine basis, so you have a few additional options to choose from.

When to book flights from Ontario to Ithaca

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Ithaca according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Ithaca (ONT to ITH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Ithaca

Fastest flight time

11h 20m

Direct flights

None
The fastest flight from Ontario to Ithaca takes 11h 20m
There are no direct flights from Ontario to Ithaca. There are no popular flight routes from Ontario to Ithaca.
Search flight deals

Frequently asked questions about flying from Ontario to Ithaca

  • How far is Ontario to Ithaca Tompkins County by plane?

    The distance between Ontario and Ithaca Tompkins County is about 2281.3 mi. By plane, this route typically takes 11h 20m.

  • When did momondo last update prices for flights from Ontario Airport to Ithaca Tompkins County Airport?

    Prices for flights from Ontario Airport to Ithaca Tompkins County Airport were last updated today.

  • How old do you have to be to fly from Ontario Airport to Ithaca Tompkins County Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Ithaca Tompkins County Airport.

  • What documentation or ID do you need to fly to Ithaca Tompkins County Airport?

    The travel and health documents required for your trip to Ithaca Tompkins County Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ithaca Tompkins County Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Ithaca?

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

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Ithaca?

Finding the right flight to Ithaca from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ithaca quick and easy, saving you time and money.

Can I find flights from Ontario to Ithaca with flexible booking policies on momondo?

Yes. All flights to Ithaca from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ontario to Ithaca?

momondo helps you find the best flight between Ontario and Ithaca by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ontario to Ithaca right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to Ithaca now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ithaca and let you know when they change.

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