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352 € Cheap Flights from Ontario International to Syracuse

Compare Ontario International to Syracuse flight deals

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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 352 €. Find the lowest prices on one-way and return tickets right here.
Syracuse.352 € per passenger.Departing Fri, 3 Jul, returning Thu, 9 Jul.Return flight with United.Outbound indirect flight with United, departs from Ontario International on Fri, 3 Jul, arriving in Syracuse.Inbound indirect flight with United, departs from Syracuse on Thu, 9 Jul, arriving in Ontario International.Price includes taxes and charges.From 352 €, select.
Syracuse.434 € per passenger.Departing Fri, 14 Aug, returning Sun, 16 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Ontario International on Fri, 14 Aug, arriving in Syracuse.Inbound indirect flight with Delta, departs from Syracuse on Sun, 16 Aug, arriving in Ontario International.Price includes taxes and charges.From 434 €, select.
Syracuse.450 € per passenger.Departing Wed, 17 Jun, returning Tue, 23 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from Ontario International on Wed, 17 Jun, arriving in Syracuse.Inbound indirect flight with Delta, departs from Syracuse on Tue, 23 Jun, arriving in Ontario International.Price includes taxes and charges.From 450 €, select.
Syracuse.552 € per passenger.Departing Tue, 30 Jun, returning Mon, 6 Jul.Return flight with Frontier Airlines and Allegiant Air.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Tue, 30 Jun, arriving in Syracuse.Inbound indirect flight with Allegiant Air, departs from Syracuse on Mon, 6 Jul, arriving in Ontario International.Price includes taxes and charges.From 552 €, 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 July.
Jun
from 450 €
Jul
from 352 €
Aug
from 434 €
Sep
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Oct
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Nov
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Dec
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Jan
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Feb
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Mar
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Apr
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May
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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 352 €
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Ithaca

67km from central Syracuse
from 1.020 €
Search flights

Ontario to Syracuse: Flight information

The things to know before you go.
Cheapest flight found352 €
Cheapest month to flyJuly

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

The best price we found for a return flight from Ontario International to Syracuse is 352 €. 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.
Currently, there are no airlines that fly direct from Ontario International to Syracuse. But we found flights with one or more stops from 352 €.
As of June 2026, there are no flights flying from Ontario International to Syracuse.
The cheapest month to fly from Ontario International to Syracuse is usually July.
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 Friday, 3 July 2026.
No airlines currently offer direct flights between Ontario International Airport and Syracuse Airport. Most routes have one or more stops.
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.
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.
Currently, United offers the cheapest flight tickets to Syracuse.

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

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Show up at the airport on time to board your ONT to SYR flight.

  • During popular months like August, it's a good idea to get to the airport even earlier. Plan to arrive two hours before domestic departures and four hours ahead for an international flight when you fly during a peak period in general.

  • If you want to explore another city along the way, simply deselect 'Direct flights only' when searching for your ticket from Ontario International Airport to Hancock International Airport. These are the most popular stopovers between ONT and SYR:

    • Denver International Airport

    • Harry Reid Airport (formerly McCarran Airport)

    • Dallas/Fort Worth International Airport

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

  • Right now, 168 € is the lowest price we've seen for a one-way Ontario International Airport to Hancock International Airport flight. The best price for a return plane ticket is 352 €. Remember that fares can change due to availability at the time of booking.

  • To score cheap tickets from ONT to SYR, book in advance. Airlines typically offer their best fares when flights are first released.

  • Finding cheap flights from Ontario International Airport to Hancock International Airport is easy if you can be flexible with your dates. Use the 'Whole month' search function to see the lowest fares throughout the month and land a great deal.

  • There's no need to check every day to find out if fares have dropped when you set up a Price Alert. We'll send you an update as soon as there's a better deal on cheap flights from ONT to SYR.

  • Discover the right flight for you with the help of the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Ontario International Airport to Hancock International Airport, use the 'Sort by' function. You can also filter results by departure and arrival times, airline, and number of stops.

Handy information about Ontario International Airport (ONT)

  • ONT is located at 2900 E. Airport Drive.

  • Ontario International Airport scores top marks for on-time performance. 83.6% of flights that take off from ONT reach their destination without delay.

  • Ontario International Airport is around 6 kilometres from central Ontario. If you're driving, ride-sharing or catching a cab from the centre, it'll take you 10 minutes or so to get there, depending on the traffic.

  • Planning to take public transport? Expect a trip time of around 1 hour 30 minutes.

  • Searching for a handy hotel near ONT? If you're boarding an early flight from Ontario International Airport to Hancock International Airport, these stays will have you sleeping moments from your departure gate:

Arriving at Hancock International Airport (SYR)

Getting from Hancock International Airport (SYR) to central Syracuse

  • You'll find SYR at City Hall.

  • Hancock International Airport is approximately 18 kilometres from central Syracuse. The drive time takes about 25 minutes.

  • If you're using public transport, expect a journey time of around 1 hour 10 minutes.

When to fly to Hancock International Airport (SYR)

  • The quietest month for a flight from Ontario International Airport to Hancock International Airport is February, while July is the most popular. Choose the ideal time to visit Syracuse based on whether you prefer a more relaxed vibe or a faster pace.

  • The warmest month in Syracuse is July, with temperatures ranging between 14ºC (57ºF) and 28ºC (82ºF). Book your flights from Ontario International Airport to Hancock International Airport in this month if you enjoy this type of weather.

  • January has average temperatures of between -12ºC (10ºF) and 3ºC (37ºF). Look for cheap tickets from ONT to SYR sometime then if you want to travel when it's cooler.

Explore more of United States

  • Syracuse has plenty to offer, but there are so many other parts of United States waiting to be discovered. Around 322 kilometres south-east of Syracuse, a visit to New York will keep your itinerary busy. Start with leading sights like Statue of Liberty, Central Park and Empire State Building.

  • Around 354 kilometres south of Syracuse, Philadelphia is another essential stop in United States. Experience this destination's highlights firsthand at Liberty Bell, Independence Hall and Philadelphia Museum of Art.

Plan the rest of your trip from Ontario to Syracuse

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.