HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$255+ Cheap flights from Syracuse to Ontario (SYR - ONT)

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 12/19. Fares are subject to change and may not be available on all flights or dates of travel.
SYR — ONT
Dec 4 — Dec 111
Thu 12/4
Thu 12/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Syracuse to Ontario with Cheapflights

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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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 Syracuse to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Syracuse (SYR) 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 November 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$309
(Delta)

One-way from

$255
(Kiwi.com)

Popular in

May

Cheapest in

April

Average price

$509
Provider with most accurate pricing for Syracuse Hancock Intl-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Syracuse Hancock Intl-Ontario flights.
Search Deals
From Syracuse Hancock Intl to Ontario
Search Deals
One-way flight from Syracuse Hancock Intl to Ontario
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Syracuse to Ontario

Cheapest flights from Syracuse to Ontario
Explore the most affordable flight options available from Syracuse to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2025.

This Delta deal was found by Cheapflights users on 11/2. 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.
Tue 11/1812:13 pmSYR - ONT
1 stop10h 29mDelta
Thu 11/276:00 amONT - SYR
2 stops12h 32mDelta
Deal found 11/2$379
This Delta deal was found by Cheapflights users on 11/4. 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.
Thu 11/206:00 amSYR - ONT
1 stop8h 06mDelta
Sun 11/2310:25 pmONT - SYR
1 stop9h 43mDelta
Deal found 11/4$389
This United Airlines deal was found by Cheapflights users on 11/2. 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 12/96:15 amSYR - ONT
2 stops14h 22mUnited Airlines
Tue 12/161:34 pmONT - SYR
1 stop6h 41mUnited Airlines
Deal found 11/2$414
This American Airlines deal was found by Cheapflights users on 11/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:33 pmSYR - ONT
1 stop10h 25mAmerican Airlines
Fri 12/2612:45 pmONT - SYR
1 stop7h 00mAmerican Airlines
Deal found 11/2$432
This Delta deal was found by Cheapflights users on 11/4. 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.
Sun 11/912:13 pmSYR - ONT
1 stop10h 29mDelta
Sun 11/2310:25 pmONT - SYR
1 stop9h 43mDelta
Deal found 11/4$479
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/188:00 amSYR - ONT
1 stop7h 31mUnited Airlines
Wed 11/261:29 pmONT - SYR
1 stop6h 46mUnited Airlines
Deal found 11/2$489
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Sun 12/215:17 pmSYR - ONT
1 stop8h 08mUnited Airlines
Thu 1/111:59 pmONT - SYR
1 stop7h 20mUnited Airlines
Deal found 11/2$492
This Delta deal was found by Cheapflights users on 11/2. 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.
Tue 11/412:09 pmSYR - ONT
1 stop10h 10mDelta
Sun 11/910:25 pmONT - SYR
1 stop9h 43mDelta
Deal found 11/2$497

Cheapflights Fare Finder

 
Customize your flight search to find flights from Syracuse 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 November 4, 2025.
Use the filters below to find and compare flights from Syracuse to Ontario that are best for you.

Fly from

Syracuse

Fly to

Ontario

Route

Depart

Return

Price

SyracuseOntario

SYR - ONT

SYRONT

Syracuse Hancock Intl

Sat 1/24

6:00 am-11:54 am

1 stop8h 54m

Ontario

Thu 1/29

1:04 pm-11:59 pm

1 stop7h 55m

$309

SyracuseOntario

SYR - ONT

SYRONT

Syracuse Hancock Intl

Sat 2/28

3:00 pm-9:07 pm

1 stop9h 07m

Ontario

Wed 3/4

10:20 pm-11:15 am

1 stop9h 55m

$309

SyracuseOntario

SYR - ONT

SYRONT

Syracuse Hancock Intl

Tue 12/16

6:00 am-11:02 am

1 stop8h 02m

Ontario

Tue 1/20

1:04 pm-11:59 pm

1 stop7h 55m

$309

SyracuseOntario

SYR - ONT

SYRONT

Syracuse Hancock Intl

Tue 12/16

6:00 am-11:02 am

1 stop8h 02m

Ontario

Wed 1/14

1:04 pm-11:59 pm

1 stop7h 55m

$309

SyracuseOntario

SYR - ONT

SYRONT

Syracuse Hancock Intl

Tue 12/16

6:00 am-11:02 am

1 stop8h 02m

Ontario

Sat 1/17

1:04 pm-11:59 pm

1 stop7h 55m

$309

SyracuseOntario

SYR - ONT

SYRONT

Syracuse Hancock Intl

Sun 1/25

6:00 am-11:54 am

1 stop8h 54m

Ontario

Mon 2/2

10:30 pm-11:07 am

1 stop9h 37m

$309

SyracuseOntario

SYR - ONT

SYRONT

Syracuse Hancock Intl

Tue 12/16

6:00 am-11:02 am

1 stop8h 02m

Ontario

Fri 1/16

1:04 pm-11:59 pm

1 stop7h 55m

$309

SyracuseOntario

SYR - ONT

SYRONT

Syracuse Hancock Intl

Sun 1/25

6:00 am-11:54 am

1 stop8h 54m

Ontario

Fri 2/6

10:30 pm-12:01 pm

2 stops10h 31m

$314

SyracuseOntario

SYR - ONT

SYRONT

Syracuse Hancock Intl

Tue 12/16

6:00 am-11:02 am

1 stop8h 02m

Ontario

Thu 1/15

1:04 pm-11:59 pm

1 stop7h 55m

$334

SyracuseOntario

SYR - ONT

SYRONT

Syracuse Hancock Intl

Fri 12/19

9:07 am-5:09 pm

1 stop11h 02m

$255

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 18 results
1
2

Compare providers for flights from Syracuse to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Syracuse to Ontario in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Syracuse-Ontario flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Syracuse-Ontario flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Syracuse-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Syracuse-Ontario flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Syracuse-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Syracuse to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Syracuse 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 Syracuse to Ontario

What is the cheapest month to book a flight from Syracuse to Ontario?

Currently, April is the cheapest month in which you can book a flight from Syracuse to Ontario (average of $139). Flying from Syracuse to Ontario in December is currently the most expensive (average of $294). 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.

What is the cheapest time of day to fly from SYR to ONT?

Find hourly flight availability from Syracuse to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 4, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 39% on flights from Syracuse to Ontario by exploring options for tickets in the evening.

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 November 4, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Syracuse to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,003 reviews

Boarding

8.2

Overall

7.9

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
7.9
Good
8,003 reviews
Delta
7.9
Good
8,003 reviews

Boarding

8.2

Overall

7.9

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
9,002 reviews
Delta
7.9
Good
8,003 reviews

Boarding

8.2

Overall

7.9

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
11,040 reviews
Delta
7.9
Good
8,003 reviews

Boarding

8.2

Overall

7.9

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Syracuse to Ontario. 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 Syracuse to Ontario?

    Airlines like Delta fly from Syracuse to Ontario in about 8h 54m. The time it takes to get you to your destination can typically vary by up to . The distance from Syracuse to Ontario is about 2300 mi.

  • What are the cheapest airlines flying from Syracuse to Ontario round-trip?

    Currently priced at $236, American Airlines will fly you from Syracuse to Ontario and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Delta - these airlines can fly you to your destination from $266 and $296, respectively. American Airlines is currently priced 53% below the average price you’ll pay for this route.

  • Can I find deals for flights from Syracuse to Ontario that include hotel bookings?

    Yes. In addition to deals on Syracuse to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Syracuse to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Syracuse to Ontario.

  • Can I find deals for business class flights from Syracuse to Ontario?

    Yes. Cheapflights offers flight deals from Syracuse to Ontario 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 Syracuse to Ontario?

    Currently, April is the cheapest month in which you can book a flight from Syracuse to Ontario (average of $139). Flying from Syracuse to Ontario in December is currently the most expensive (average of $294). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Syracuse to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Los Angeles flights
John F Kennedy Intl to Las Vegas flights
Newark to Los Angeles flights
Newark to Las Vegas flights
John F Kennedy Intl to San Francisco flights
Newark to San Francisco flights
LaGuardia to Los Angeles flights
LaGuardia to Las Vegas flights
John F Kennedy Intl to San Diego flights
LaGuardia to San Francisco flights
LaGuardia to Burbank flights
Newark to Ontario flights
Newark to San Diego flights
Newark to Santa Ana flights
John F Kennedy Intl to Ontario flights
John F Kennedy Intl to Santa Ana flights
LaGuardia to Santa Ana flights
LaGuardia to Ontario flights
LaGuardia to San Diego flights
John F Kennedy Intl to San Jose flights
Newark to Palm Springs flights
John F Kennedy Intl to Palm Springs flights
Newark to Sacramento flights
Newark to San Jose flights
John F Kennedy Intl to Reno flights
John F Kennedy Intl to Burbank flights
Newark to Burbank flights
Buffalo to Las Vegas flights
Rochester to Las Vegas flights
Newark to Oakland flights
John F Kennedy Intl to Long Beach flights
Newark to Reno flights
John F Kennedy Intl to Oakland flights
LaGuardia to Palm Springs flights
John F Kennedy Intl to Sacramento flights
LaGuardia to San Jose flights
White Plains to Las Vegas flights
LaGuardia to Reno flights
White Plains to Los Angeles flights
Albany to Las Vegas flights
LaGuardia to Sacramento flights
Syracuse to Los Angeles flights
Buffalo to Los Angeles flights
Islip to Las Vegas flights
Syracuse to Las Vegas flights
Albany to Los Angeles flights
Rochester to Los Angeles flights
John F Kennedy Intl to Santa Barbara flights
Buffalo to San Diego flights

Top 3 airlines flying from Syracuse to Ontario

Discover the top 3 airlines that operate flights from Syracuse to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$236Average$471FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$266Average$558FlexibilityNo cancel feeOn-time69%
DeltaCheapest$296Average$398FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.