Cheap Flights from Ontario International to Syracuse

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Compare Ontario International to Syracuse flight deals

Find the cheapest month or even day of the year to fly to Syracuse

Book the best Syracuse fare with no extra fees

Flight deals Cheapest month Find the best route Route info FAQs Tips and advice

Flight deals from Ontario International to Syracuse

Looking for a cheap last-minute deal or the best return flight from Ontario International Airport to Syracuse Airport? If you want to travel next month, return fares start from $670. Find the lowest prices on one-way and return tickets right here.

Syracuse.$670 per passenger.Departing Sat, 10 Oct, returning Sat, 17 Oct.Return flight with United.Outbound indirect flight with United, departs from Ontario International on Sat, 10 Oct, arriving in Syracuse.Inbound indirect flight with United, departs from Syracuse on Sat, 17 Oct, arriving in Ontario International.Price includes taxes and charges.From $670, select.

Syracuse.$720 per passenger.Departing Tue, 15 Sep, returning Tue, 6 Oct.Return flight with United.Outbound indirect flight with United, departs from Ontario International on Tue, 15 Sep, arriving in Syracuse.Inbound indirect flight with United, departs from Syracuse on Tue, 6 Oct, arriving in Ontario International.Price includes taxes and charges.From $720, select.

Syracuse.$789 per passenger.Departing Wed, 16 Sep, returning Tue, 29 Sep.Return flight with United.Outbound indirect flight with United, departs from Ontario International on Wed, 16 Sep, arriving in Syracuse.Inbound indirect flight with United, departs from Syracuse on Tue, 29 Sep, arriving in Ontario International.Price includes taxes and charges.From $789, select.

Syracuse.$844 per passenger.Departing Tue, 22 Dec, returning Mon, 4 Jan.Return flight with United.Outbound indirect flight with United, departs from Ontario International on Tue, 22 Dec, arriving in Syracuse.Inbound indirect flight with United, departs from Syracuse on Mon, 4 Jan, arriving in Ontario International.Price includes taxes and charges.From $844, select.

Syracuse.$1,299 per passenger.Departing Wed, 9 Jun, returning Thu, 10 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from Ontario International on Wed, 9 Jun, arriving in Syracuse.Inbound indirect flight with Delta, departs from Syracuse on Thu, 10 Jun, arriving in Ontario International.Price includes taxes and charges.From $1,299, select.

Syracuse.$1,609 per passenger.Departing Sun, 29 Nov, returning Sun, 13 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Ontario International on Sun, 29 Nov, arriving in Syracuse.Inbound indirect flight with Delta, departs from Syracuse on Sun, 13 Dec, arriving in Ontario International.Price includes taxes and charges.From $1,609, select.

Find the cheapest month to fly from Ontario International to Syracuse

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ontario International to Syracuse flights are currently cheapest in October.

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Ontario International to Syracuse: Alternative routes

Compare routes from Ontario International to Syracuse below. You may find an airport to fly into that's cheaper, faster, or easier than Syracuse.

Syracuse

8km from central Syracuse

ClosestCheapest

from $670

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Ithaca

67km from central Syracuse

from $2,046

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Ontario to Syracuse: Flight information

The things to know before you go.

Cheapest flight found	$670
Cheapest month to fly	October

Finding cheap flights from Ontario International to Syracuse: Frequently asked questions

How much are return flights from Ontario International to Syracuse?

The best price we found for a return flight from Ontario International to Syracuse is $670. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Ontario International to Syracuse?

Currently, there are no airlines that fly direct from Ontario International to Syracuse. But we found flights with one or more stops from $670.

How many flights are there a week from Ontario International to Syracuse?

As of September 2026, there are no flights flying from Ontario International to Syracuse.

When is the cheapest time to fly from Ontario International to Syracuse?

The cheapest month to fly from Ontario International to Syracuse is usually October.

Which upcoming date is cheapest to fly from Ontario International Airport to Syracuse Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ontario International Airport to Syracuse Airport on Saturday, 10 October 2026.

Can I get a direct flight from Ontario International Airport to Syracuse Airport?

No airlines currently offer direct flights between Ontario International Airport and Syracuse Airport. Most routes have one or more stops.

How can I find the best flight deal to Syracuse?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Syracuse but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Syracuse?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Syracuse is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Ontario International Airport to Syracuse with?

Currently, United offers the cheapest flight tickets to Syracuse.

Travelling from Ontario International Airport (ONT) to Syracuse Airport (SYR): what you need to know

For a stress-free journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to board your ONT to SYR flight.
Flying during a peak month such as July? Major public holidays and other high seasons can result in longer lines at check-in and security. Play it safe and arrive up to four hours before an international flight and two hours before domestic departures.
We make it simple to book a flight with a stopover. To see your options for tickets from Ontario International Airport to Syracuse Airport, deselect 'Direct flights only.' Then, choose a flight offering a stop long enough to explore the city of your choice. Stopovers between ONT and SYR include:
- Dallas Fort Worth International Airport
- Denver International Airport
- Harry Reid International Airport

How to find the cheapest flights from Ontario International Airport (ONT) to Syracuse Airport (SYR)

At the moment, $648 is the lowest price we've found for a one-way Ontario International Airport to Syracuse Airport flight. The best price for a return plane ticket is $670. Keep in mind that fares could change due to demand at the time of booking.
Don't leave everything to the last minute. You're more likely to find cheap tickets from ONT to SYR if you book ahead. Airlines often offer some fantastic early bird discounts.
Finding cheap flights from Ontario International Airport to Syracuse Airport is easy if you're flexible with your trip dates. Use the 'Whole month' tool to see the best prices across each month and snap up a great deal.
There's no need to check back in every day to find out if fares have gone down when you set up a Price Alert. We'll update you the moment there's a change in price on cheap flights from ONT to SYR.
Tailor your flights using filters. Select your arrival and departure times, airlines and total journey duration. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from Ontario International Airport to Syracuse Airport.

Handy information about Ontario International Airport (ONT)

You'll find ONT at 2900 E. Airport Drive.
83% of flights leaving Ontario International Airport land at their destination on time. With its dependable on-time performance, disruptions are unlikely when jetting out of ONT.
To get to Ontario International Airport from central Ontario, it takes around 15 minutes if you're planning to drive. Of course, this depends on traffic conditions. It's approximately 10 kilometres from the airport to the city centre.
Expect a journey time of about 45 minutes on public transport.
Need a convenient hotel close to ONT? If you've booked an early flight from Ontario International Airport to Syracuse Airport, these accommodation options will have you moments from your check-in counter:

Arriving at Syracuse Airport (SYR)

The last thing you want is a lengthy trip to your hotel if you're landing late on a Ontario International Airport to Syracuse Airport flight. Stay at one of these accommodation options near SYR instead:
Hit the road running by picking up a Syracuse Airport rental car. Grab a set of wheels from Dollar, Hertz or Budget and experience the lesser-explored corners of Syracuse and beyond.
Lock in the best rate by reserving your ride from Syracuse Airport about one week before your departure date.

Getting from Syracuse Airport (SYR) to central Syracuse

SYR is located at City Hall.
From Syracuse Airport, Syracuse is approximately 11 kilometres away. It takes around 20 minutes to drive to the centre.
Travelling to the centre by public transport will take you around 35 minutes.

When to fly to Syracuse Airport (SYR)

It's time to pick your trip dates for your flight from Ontario International Airport to Syracuse Airport. August is the most popular month to head to Syracuse. If you'd like a more laid-back vibe, go in January.
The warmest month in Syracuse is July, with temperatures ranging between 14ºC and 28ºC. Lock in your flights from Ontario International Airport to Syracuse Airport in this month if you like this kind of weather.
January has average temperatures of between -12ºC and 3ºC. Look for cheap tickets from ONT to SYR sometime around then if you'd rather travel in cooler conditions.

Explore more of the United States

New York is just one of the many cities in the United States waiting to be discovered once you've seen Syracuse. Around 322 kilometres away to the south-east, well-known attractions include Central Park, Statue of Liberty and Metropolitan Museum of Art.
Philadelphia is another sought-after destination in the United States and is around 354 kilometres south of Syracuse. No trip is complete without experiencing Independence Hall, Liberty Bell and Philadelphia Museum of Art.